CN110014697B - PTFE (polytetrafluoroethylene) membrane filter material - Google Patents
PTFE (polytetrafluoroethylene) membrane filter material Download PDFInfo
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- CN110014697B CN110014697B CN201910334270.9A CN201910334270A CN110014697B CN 110014697 B CN110014697 B CN 110014697B CN 201910334270 A CN201910334270 A CN 201910334270A CN 110014697 B CN110014697 B CN 110014697B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/06—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions for securing layers together; for attaching the product to another member, e.g. to a support, or to another product, e.g. groove/tongue, interlocking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
Abstract
The invention belongs to the technical field of filter material structures, and particularly relates to a PTFE (polytetrafluoroethylene) membrane filter material. The invention achieves the purpose of effective use of the membrane-coated filter material by arranging the clamping plate, the mounting hole, the screw-connection column unit, the magnetic mounting unit, the annular clamping column unit and the magnetic pulling rope unit on the five-layer structure of the PTFE fiber net layer, the heat insulation cotton layer and the PTFE fiber membrane-coated layer. The membrane-coated filter material with the five-layer structure has the advantages of high overall structural strength, difficulty in separation and scattering, moderate difficulty in splitting and replacing operation, high stability of a side magnetic attraction mounting mode and convenience in loading and unloading the membrane-coated filter material.
Description
Technical Field
The invention belongs to the technical field of filter material structures, and particularly relates to a PTFE (polytetrafluoroethylene) membrane filter material.
Background
PTFE tectorial membrane filter material is a superior performance's filter material, mainly includes PTFE fibre stratum reticulare and sets up the PTFE fibre tectorial membrane layer above it, and this two-layer structure just can reach effectual dust filtration interception effect. On the other hand, thermal-insulated cotton layer still can be added to current PTFE tectorial membrane filter material generally to the various filtration environment that the reply is changeable in reality, but above-mentioned multilayer filter material structure exists structural strength not enough, and easy layering scatters, and the inconvenient problem of filter material installation itself, so the urgent need a multilayer structure bonding strength is big on the market, and stability is high during the installation, convenient and fast's PTFE tectorial membrane filter material during loading and unloading.
The patent publication No. CN103432827A, Chinese patent disclosure No. 2013.12.11, discloses a high-performance PTFE filter material and a preparation process thereof, wherein the filter material sequentially comprises a fine-denier PTFE fiber mesh layer, a first base cloth layer, an upper PTFE fiber mesh layer, a second base cloth layer and a lower PTFE fiber mesh layer; the fine denier PTFE fiber net layer is made of fine denier PTFE fibers through pretreatment, pre-loosening and carding, the first base cloth layer and the second base cloth layer are made of PTFE base cloth through pretreatment and processing, and the upper layer PTFE fiber net layer and the lower layer PTFE fiber net layer are made of common PTFE fibers through pretreatment, pre-loosening and carding.
However, the PTFE filter material in the patent has the problem of low structural strength.
Disclosure of Invention
The invention aims to provide a PTFE (polytetrafluoroethylene) membrane filter material, which can achieve the purpose of effective use of the membrane filter material by arranging a clamping plate, a mounting hole, a threaded connection column unit, a magnetic mounting unit, a circumferential clamping column unit and a magnetic pulling rope unit on a PTFE fiber net layer, a heat insulation cotton layer and a PTFE fiber membrane layer. The membrane-coated filter material with the five-layer structure has the advantages of high overall structural strength, difficulty in separation and scattering, moderate difficulty in splitting and replacing operation, high stability of a side magnetic attraction mounting mode and convenience in loading and unloading the membrane-coated filter material.
The technical scheme adopted by the invention for solving the problems is as follows: a PTFE (polytetrafluoroethylene) membrane filter material comprises a PTFE fiber net layer, heat insulation cotton layers arranged on two sides of the PTFE fiber net layer respectively, a five-layer structure of the PTFE fiber membrane layer arranged on the outer side of the heat insulation cotton layers respectively, two clamping plates arranged on two sides of the side edge of the five-layer structure respectively, mounting holes penetrating the five-layer structure and the clamping plates, a bolt joint column unit spliced on the mounting holes and used for clamping and fixing the five-layer structure, a magnetic mounting unit arranged on the two clamping plates at the position of the outward protrusion of the five-layer structure, an annular clamping column unit arranged at the end position of the bolt joint column unit and used for limiting and fixing the bolt joint column unit in a bolt joint relation retraction mode through annular protrusions, and a magnetic clamping column unit arranged on the bolt joint column unit and used for unfolding the annular clamping column unit outwards in an annular attraction pulling mode through the magnetic mounting unit The force pulls the rope unit.
The further preferred technical scheme is as follows: the clamp plate is including being equipped with the mounting hole and with the contact zone that five layers of structures overlap, and be equipped with the salient region of magnetic force installation unit, the magnetic force installation unit is including setting up respectively two inboard limiting plate, the outside limiting plate on the salient region medial surface, and the block sets up inboard limiting plate with magnet piece between the limiting plate in the outside, the thickness of the limiting plate in the outside is greater than inboard limiting plate.
The further preferred technical scheme is as follows: spiro union post unit is including pegging graft the fixed cylinder that sets up on the mounting hole and both ends expose sets up fixed cylinder one end position department supports fixed limiting plate on the clamp plate, the spiro union sets up nut on the fixed cylinder other end, and set up fixed cylinder is internal and be used for setting up hoop block post unit with trompil in the post of magnetic force pulling rope unit, hoop block post unit is in carry out the spacing action of hoop bellied block in the nut outside.
The further preferred technical scheme is as follows: the annular clamping column unit comprises a limiting opening arranged on the wall of the hole formed in the column, an articulated shaft with two ends arranged on the side face of the limiting opening, a rotating plate which is arranged on the articulated shaft in a sleeved mode, rotates outwards and protrudes out of the limiting opening to be used for clamping the loosened nut in a limiting mode, and a torsion spring which is arranged on the articulated shaft in a sleeved mode, is positioned in the rotating plate mounting hole and is used for keeping the rotating plate to be folded inwards in a normal state in a torsion driving mode.
The further preferred technical scheme is as follows: the magnetic pulling rope unit comprises a magnetic block opening hole which is formed in the hole wall of the hole in the column, is positioned in the PTFE fiber mesh layer and is aligned with the magnet block in an axial position, a second magnetic block which is inserted into the hole of the magnetic block, and a pulling opening rope, one end of which is arranged on the inner side end face of the second magnetic block and is positioned in the hole in the column, and one end of which is connected with the inner side ends of the two rotating plates respectively so as to be used for rotationally unfolding the rotating plates.
The further preferred technical scheme is as follows: the magnetic pulling rope unit further comprises a fixed pulley, a movable pulley and a second pulling rope, wherein the fixed pulley is arranged in the column and used for horizontally tensioning the pulling opening rope to be close to one end of the second magnetic block, the movable pulley is arranged in the column and close to one end of the limiting opening and used for connecting the pulling opening rope, and the second pulling rope is wound on the movable pulley and is connected with the rotating plate at two ends.
The further preferred technical scheme is as follows: the magnetic force pulling rope unit further comprises balls which are embedded into the inner side face of the hole of the magnetic block and used for rolling friction between the magnetic block and the second magnetic block, inserting limiting columns at two ends of the movable pulley are arranged respectively, and the balls are arranged on the side faces of two sides of the hole in the column and used for inserting the insertion groove of the movable pulley in a vertical sliding mode in a clamping and butt joint mode through the inserting limiting columns.
The further preferred technical scheme is as follows: the movable pulley is provided with an annular rope groove for winding the second pulling rope, and an arc-shaped mounting ring, the two ends of the arc-shaped mounting ring are arranged on the bottom surface of the annular rope groove and used for binding and fixing the middle part of the arc-shaped mounting ring to pull the opening rope.
The further preferred technical scheme is as follows: the magnetic force pulling rope unit further comprises an axial installation column arranged on the insertion groove, a cylinder installation hole arranged on the insertion limiting column and connected with the axial installation column in a sleeved mode, and a jacking spring arranged on the axial installation column and used for jacking the movable pulley in a mode of being used for inwards pulling the second magnetic block.
The further preferred technical scheme is as follows: the lower end of the insertion limiting column is provided with an annular spring groove used for inserting and clamping the jacking spring.
The invention achieves the purpose of effective use of the membrane-coated filter material by arranging the clamping plate, the mounting hole, the screw-connection column unit, the magnetic mounting unit, the annular clamping column unit and the magnetic pulling rope unit on the five-layer structure of the PTFE fiber net layer, the heat insulation cotton layer and the PTFE fiber membrane-coated layer. The membrane-coated filter material with the five-layer structure has the advantages of high overall structural strength, difficulty in separation and scattering, moderate difficulty in splitting and replacing operation, high stability of a side magnetic attraction mounting mode and convenience in loading and unloading the membrane-coated filter material.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the position structures of the circumferential engaging column unit and the magnetic pulling rope unit according to the present invention.
Fig. 3 is a schematic diagram of the use of the second magnetic block in the present invention.
Fig. 4 is a schematic view of the use of the movable pulley in the present invention.
Detailed Description
The following description is only a preferred embodiment of the present invention and is not intended to limit the scope of the present invention.
Example (b): as shown in fig. 1, 2, 3 and 4, a PTFE membrane filter material comprises a PTFE fiber mesh layer 11, heat insulation cotton layers 12 respectively disposed on both sides of the PTFE fiber mesh layer 11, and a PTFE fiber membrane layer 13 respectively disposed on the outer sides of the heat insulation cotton layers 12, and further comprises two clamping plates 1 respectively disposed on both sides of the side edge of the five-layer structure, mounting holes 2 penetrating the five-layer structure and the clamping plates 1, a screw column unit 3 inserted into the mounting holes 2 and used for clamping and fixing the five-layer structure, a magnetic mounting unit 4 disposed at the outward protruding position of the two clamping plates 1 on the five-layer structure, a circumferential clamping column unit 5 disposed at the end of the screw column unit 3 and used for limiting and fixing the screw column unit 3 in a screw connection retraction manner by circumferential protrusions, and a magnetic pulling rope unit 6 which is arranged on the screw connection column unit 3 and is used for unfolding the annular clamping column unit 5 outwards in an annular magnetic attraction pulling mode through the magnetic mounting unit 4.
In the prior art, the tectorial membrane filter material of five-layer structure is mostly directly made up or the bonding is fixed, consequently has the fixed strength low to and the inconvenient problem of changing, and in this embodiment, the spiro union post unit 3 pierces through altogether five-layer structure plus two the clamp plate 1 to seven layer structure of final spiro union clamp tightly guarantee the tectorial membrane filter material has preliminary laminating fixed effect, on the other hand, magnetic force installation unit 4 sets up tectorial membrane filter material side position department, can make things convenient for the installation of tectorial membrane filter material with this kind of nimble mode of magnetic force attraction fixed is used for filtering the use, guarantees the tectorial membrane filter material wholly has the installation and removes the nimble convenient advantage of operation down.
In addition, magnetic force installation unit 4 triggers through inside magnetic force attraction effect magnetic force pulling rope unit 6, magnetic force pulling rope unit 6 rotates again and opens hoop block post unit 5 makes even not hard up the dissociation that can not drop of the spiro union relation of 3 departments of spiro union post unit guarantees PTFE five-layer structure has the laminating stably, the advantage that difficult layering drops.
The clamp plate 1 is including being equipped with mounting hole 2 and with the contact zone that five layer structure overlaps, and be equipped with the salient region of magnetic force installation unit 4, magnetic force installation unit 4 is including setting up respectively two inboard limiting plate 401, outside limiting plate 402 on the salient region medial surface, and the block sets up inboard limiting plate 401 with magnet piece 403 between the outside limiting plate 402, the thickness of outside limiting plate 402 is greater than inboard limiting plate 401. Spiral shell spliced pole unit 3 sets up including pegging graft fixed cylinder 301 that just both ends expose on the mounting hole 2 sets up fixed cylinder 301 one end position department supports fixed limiting plate 302 on the clamp plate 1, and the spiro union sets up nut 303 on the fixed cylinder 301 other end, and set up in fixed cylinder 301 and be used for setting up hoop block post unit 5 with trompil 304 in the post of magnetic force pulling rope unit 6, hoop block post unit 5 is in carry out the spacing action of hoop bellied block in the nut 303 outside.
In this embodiment, after the two clamping plates 1 are fastened and installed on the nut 303, the magnet block 403 is stably clamped between the inner limiting plate 401 and the outer limiting plate 402 to ensure the installation stability, and the magnet block 403 has two functions, wherein the first function is that the outer limiting plate 402 is clamped on the filter material mounting plate and then fixed with the iron filter material mounting plate by magnetic attraction to ensure the stable installation of the membrane-coated filter material, the second function is that the inner magnetic pole of the magnet block 403 is used for magnetic attraction to trigger the magnetic pulling rope unit 6, so that the circumferential clamping column unit 5 is finally opened by the magnetic pulling rope unit 6 in a pulling rotation manner, a circumferential convex clamping limiting effect is formed outside the nut 303 to ensure that the nut 303 cannot fall off even though being loosened, and finally ensure that the laminated structure of the PTFE membrane-coated filter material is loosened, the PTFE membrane filter material can not fall off in a layering way, and has the dual advantages of stable structure and good installation effect by external magnetic force.
The circumferential clamping column unit 5 comprises a limiting opening 501 arranged on the wall of the inner hole 304 of the column, a hinge shaft 502 with two ends arranged on the side surface of the limiting opening 501, a rotating plate 503 with a hole sleeved on the hinge shaft 502 and used for clamping and limiting the loosened nut 303 in a mode of rotating outwards and protruding out of the limiting opening 501, and a torsion spring sleeved on the hinge shaft 502 and positioned in the mounting hole of the rotating plate 503 and used for keeping the rotating plate 503 folded inwards in a normal state in a torsion driving mode. The magnetic pulling rope unit 6 includes a magnetic block opening 601 disposed on the wall of the column inner opening 304, located in the PTFE fiber mesh layer 11, and axially aligned with the magnet block 403, a second magnetic block 602 inserted into the magnetic block opening 601, and a pulling opening rope 603 having one end disposed on the inner end surface of the second magnetic block 602, located in the column inner opening 304, and connected to the inner ends of the two rotating plates 503 respectively for rotatably unfolding the rotating plates 503.
In this embodiment, the five-layer structure of the PTFE membrane filter material ensures the "send without break" effect in the following manner:
firstly, the five-layer structure is firstly stacked and assembled, two clamping plates 1 are sleeved on the fixed cylinder 301, the magnet block 403 is clamped and fixed between the inner side limiting plate 401 and the outer side limiting plate 402, at this time, the second magnetic block 602 is attracted by the magnetic force of the magnet block 403, the second magnetic block 602 generates a certain displacement outwards, the pulling and opening rope 603 pulls the rotating plate 503 inwards, the rotating plate 503 overcomes the torsion force of the torsion spring, and rotates outwards from a relatively inner side state to a relatively outer side state and protrudes out of the limiting opening 501;
secondly, when the nut 303 is screwed and installed, the nut 303 rotates and pushes in the rotating plate 503 while pushing in, what is overcome is the attractive magnetic force between the magnet block 403 and the second magnetic block 602, that is, the second magnetic block 602 is artificially separated from the magnet block 403, and when the nut 303 is screwed in, the rotating plate 503 passes over the rotating plate 503, and the rotating plate 503 is rotated and opened outwards by the pulling force of the pulling and opening rope 603, at this time, if the nut 303 is loosened and retreated outwards, the rotating plate 503 is in the locking direction, and the locking effect of reverse rotation can be realized by the way that the inner sides of the two rotating plates 503 are abutted;
thirdly, the nut 303 needs to be rotated and taken down, when the five-layer structure of the PTFE membrane-coated filter material needs to be replaced, the rotating plate 503 is pushed inwards by a finger to be folded, and the nut 303 is rotated and detached;
fourthly, one end of the torsion spring is inserted on the outer annular surface of the hinge shaft 502, the other end of the torsion spring is inserted on the inner annular surface of the hinge hole of the rotary plate 503, for the existing installation mode, the hole 304 in the column penetrates through the hole 601 of the magnetic block and the plurality of openings 501 for limiting, the rope 603 is opened by pulling to convert the displacement motion of the magnet block 403 into the rotation motion of the rotary plate 503, the limiting effect of the rotary plate 503 after being opened and protruded by rotation is ensured, the nut 303 is finally enabled to have the effect of 'not falling off' by delivery, and the membrane-coated filter material cannot fall off by layering.
The magnetic pulling rope unit 6 further includes a fixed pulley 604 disposed in the column inner opening 304 and used for horizontally tensioning one end of the pulling opening rope 603 close to the second magnetic block 602, a movable pulley 605 disposed in the column inner opening 304 close to one end of the limiting opening 501 and used for connecting the pulling opening rope 603, and a second pulling rope 606 wound on the movable pulley 605 and having two ends respectively connected to the rotating plate 503. The magnetic pulling rope unit 6 further includes balls 607 embedded in the inner side of the opening 601 of the magnetic block and configured to perform rolling friction with the second magnetic block 602, insertion limiting posts 608 respectively disposed at two ends of the movable pulley 605, and insertion grooves 609 respectively disposed on two side surfaces of the opening 304 in the post and configured to be used for the movable pulley 605 to slide vertically by engaging with the insertion limiting posts 608. The movable pulley 605 is provided with an annular rope groove 610 for winding the second pulling rope 606, and an arc-shaped mounting ring 611, two ends of which are arranged on the bottom surface of the annular rope groove 610 and used for binding and fixing the pulling opening rope 603 in the middle. The magnetic pulling rope unit 6 further includes an axial mounting post 612 disposed on the insertion groove 609, a cylinder mounting hole 615 disposed on the insertion limiting post 608 and sleeved with the axial mounting post 612, and a jacking spring 613 sleeved on the axial mounting post 612 and used for pulling the second magnetic block 602 inward by jacking up the movable pulley 605. The lower end of the insertion limiting column 608 is provided with an annular spring groove 614 for inserting and clamping the jacking spring 613.
In the present embodiment, the using method and advantages of the magnetic pulling rope unit 6 are as follows:
firstly, at the beginning, the torsion spring between the hinge shaft 502 and the rotating plate 503 is a force accumulation part, the rotating plate 503 is pulled to keep a furled state, at this time, the inner end of the rotating plate 503 is relatively high, the movable pulley 605 is pulled to a side far away from the fixed pulley 604, the second magnetic block 602 is pulled to a position arranged on the magnetic block opening hole 601 in a retracted state by the pulling and opening rope 603, and at this time, the protruding clamping limiting function of the rotating plate 503 is not effective;
secondly, after the magnet block 403 is installed on the side of the five-layer structure, the second magnetic block 602 is pulled out from the magnetic block opening hole 601, the pulling and opening rope 603 bypasses the fixed pulley 604 and then pulls the movable pulley 605 downwards and completely, finally the movable pulley 605 pulls the second pulling rope 606, so that the inner end of the rotating plate 503 is pulled downwards, the outer end of the rotating plate protrudes outwards, and finally the outer limiting effect is performed on the nut 303, so that the nut 303 is prevented from being disengaged;
thirdly, in this embodiment, the jacking spring 613, together with the torsion spring, ensures an initial state in which the second magnetic block 602 retracts in the magnetic block opening 601 and the rotating plate 503 retracts in the limiting opening 501 by jacking up the movable pulley 605, and the magnet block 403 has an appropriate attraction force to the second magnetic block 602 and is sufficient to overcome the torsion force of the torsion spring and add the jacking elastic force of the jacking spring 613;
fourthly, the insertion limiting column 608 is clamped with the insertion groove 609 and then sleeved with the opening of the axial mounting column 612, so that the stable axial sliding effect of the movable pulley 605 is finally ensured, and unnecessary deviation is avoided;
fifthly, the pulling and opening rope 603 and the second pulling rope 606 apply force in the middle of the movable pulley 605, so as to further ensure the sliding stability of the movable pulley 605.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various modifications can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. These are non-inventive modifications, which are intended to be protected by patent laws within the scope of the claims appended hereto.
Claims (6)
1. The PTFE membrane filter material comprises a PTFE fiber net layer (11), heat insulation cotton layers (12) arranged on two sides of the PTFE fiber net layer (11) respectively, and PTFE fiber membrane layers (13) arranged on the outer sides of the heat insulation cotton layers (12) respectively, wherein the PTFE membrane filter material is characterized in that: the five-layer structure is characterized by further comprising two clamping plates (1) which are respectively arranged at two side positions on the side edge of the five-layer structure, mounting holes (2) which are arranged on the five-layer structure and the clamping plates (1) in a penetrating manner, screw joint column units (3) which are arranged on the mounting holes (2) in an inserting manner and are used for clamping and fixing the five-layer structure, magnetic mounting units (4) which are arranged at the positions, protruding outwards, of the two clamping plates (1) on the five-layer structure, annular clamping column units (5) which are arranged at the end positions of the screw joint column units (3) and limit the screw joint relation retraction mode through annular protrusions so as to limit and fix the screw joint column units (3), the magnetic pulling rope unit (6) is arranged on the threaded connection column unit (3) and used for unfolding the annular clamping column unit (5) outwards in an annular magnetic force attraction pulling mode through the magnetic mounting unit (4);
the clamping plate (1) comprises a contact area which is provided with the mounting holes (2) and is overlapped with the five-layer structure, and a protruding area which is provided with the magnetic mounting unit (4), the magnetic mounting unit (4) comprises an inner side limiting plate (401) and an outer side limiting plate (402) which are respectively arranged on the inner side surfaces of the two protruding areas, and a magnet block (403) clamped between the inner side limiting plate (401) and the outer side limiting plate (402), and the thickness of the outer side limiting plate (402) is larger than that of the inner side limiting plate (401);
the bolt joint column unit (3) comprises a fixed column body (301) which is arranged on the mounting hole (2) in an inserted mode and two ends of which are exposed, a fixed limiting plate (302) which is arranged at one end of the fixed column body (301) and abuts against the clamping plate (1), a nut (303) which is arranged at the other end of the fixed column body (301) in a bolt joint mode, and a column inner hole (304) which is arranged in the fixed column body (301) and used for arranging the annular clamping column unit (5) and the magnetic pulling rope unit (6), wherein the annular clamping column unit (5) performs annular convex clamping limiting movement on the outer side of the nut (303);
the annular clamping column unit (5) comprises a limiting opening (501) arranged on the wall of the inner column opening (304), a hinged shaft (502) with two ends arranged on the side surface of the limiting opening (501), a rotating plate (503) which is sleeved on the hinged shaft (502) and is used for clamping and limiting the loosened nut (303) in a mode of rotating outwards and protruding out of the limiting opening (501), and a torsion spring which is sleeved on the hinged shaft (502), is positioned in the mounting hole of the rotating plate (503) and is used for keeping the rotating plate (503) in a normal state of folding inwards in a torsion driving mode;
the magnetic pulling rope unit (6) comprises a magnetic block opening hole (601) which is formed in the hole wall of the column inner opening hole (304), is positioned in the PTFE fiber net layer (11) and is in axial position alignment with the magnet block (403), a second magnetic block (602) which is inserted into the magnetic block opening hole (601), and a pulling opening rope (603) which is provided with one end on the end face of the inner side of the second magnetic block (602), is positioned in the column inner opening hole (304) and is used for rotatably unfolding the rotating plate (503) in a mode of being respectively connected with the inner side ends of the two rotating plates (503).
2. The PTFE membrane filter of claim 1, wherein: the magnetic pulling rope unit (6) further comprises a fixed pulley (604) which is arranged in the column inner opening hole (304) and used for horizontally tensioning the pulling opening rope (603) close to one end of the second magnetic block (602), a movable pulley (605) which is arranged in the column inner opening hole (304) close to one end of the limiting opening (501) and used for connecting the pulling opening rope (603), and a second pulling rope (606) which is wound on the movable pulley (605) and two ends of which are respectively connected with the rotating plate (503).
3. The PTFE membrane filter of claim 2, wherein: the magnetic pulling rope unit (6) further comprises balls (607) embedded in the inner side face of the opening hole (601) of the magnetic block and used for rolling friction with the second magnetic block (602), insertion limiting columns (608) respectively arranged at two ends of the movable pulley (605), and insertion grooves (609) respectively arranged on the side faces of two sides of the opening hole (304) in the column and used for the movable pulley (605) to vertically slide in a clamping and butt joint mode with the insertion limiting columns (608).
4. The PTFE membrane filter of claim 2, wherein: the movable pulley (605) is provided with an annular rope groove (610) for winding the second pulling rope (606), and an arc-shaped mounting ring (611) with two ends arranged on the bottom surface of the annular rope groove (610) and used for binding and fixing the pulling opening rope (603) in the middle.
5. The PTFE membrane filter of claim 3, wherein: the magnetic pulling rope unit (6) further comprises an axial mounting column (612) arranged on the insertion groove (609), a cylinder mounting hole (615) arranged on the insertion limiting column (608) and sleeved with the axial mounting column (612), and a jacking spring (613) sleeved on the axial mounting column (612) and used for pulling the second magnetic block (602) inwards in a mode of jacking the movable pulley (605).
6. The PTFE membrane filter material of claim 5, wherein: the lower end of the insertion limiting column (608) is provided with an annular spring groove (614) for inserting and clamping the jacking spring (613).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910334270.9A CN110014697B (en) | 2019-04-24 | 2019-04-24 | PTFE (polytetrafluoroethylene) membrane filter material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910334270.9A CN110014697B (en) | 2019-04-24 | 2019-04-24 | PTFE (polytetrafluoroethylene) membrane filter material |
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| CN110014697A CN110014697A (en) | 2019-07-16 |
| CN110014697B true CN110014697B (en) | 2020-09-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20050196604A1 (en) * | 2004-03-05 | 2005-09-08 | Unifoil Corporation | Metallization process and product produced thereby |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108654212A (en) * | 2018-05-25 | 2018-10-16 | 浙江绿净环保科技股份有限公司 | A kind of PTFE coated filter materials |
| CN208512109U (en) * | 2018-07-09 | 2019-02-19 | 盐城工业职业技术学院 | A kind of PTFE laminated needled felt filter bag |
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