CN213077802U - PTFE filter bag - Google Patents
PTFE filter bag Download PDFInfo
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- CN213077802U CN213077802U CN202021496772.6U CN202021496772U CN213077802U CN 213077802 U CN213077802 U CN 213077802U CN 202021496772 U CN202021496772 U CN 202021496772U CN 213077802 U CN213077802 U CN 213077802U
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- mounting ring
- filter screen
- bag
- ring
- supporting rods
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Abstract
The utility model relates to a PTFE filter bag, wherein outer supporting rods are fixedly arranged on the upper surface of an outer mounting ring, a plurality of outer supporting rods are evenly distributed along the circumference of the central axis of the outer mounting ring, and the outer supporting rods are used for supporting a filter bag; when the flexible brush type filter screen is used, the filter screen bag is sleeved outside the frame body, the opening end of the filter screen bag is turned inwards into the mounting ring and then fixedly clamped between the clamping ring and the inner mounting ring, a plurality of flexible bristles are fixedly arranged on the outer circumferential surface of the clamping ring and are arranged between the filter screen bag and the clamping ring in an extruding manner, and the flexible bristles increase the friction force between the filter screen bag and the clamping ring, so that the filter screen bag can be clamped between the clamping ring and the inner mounting ring more firmly, and the filter screen bag is fixed on the frame body more firmly; the utility model discloses can clear up the filter screen bag inner wall when dismantling, reduce the clearance step, dismantle comparatively simply.
Description
Technical Field
The utility model belongs to the technical field of the filter bag technique and specifically relates to a PTFE filter bag is related to.
Background
The filter bag is required to be used in the dust collector, has excellent chemical property stability and heat resistance, is a representative of the highest performance in the filter material industry, is also a variety with the highest performance in all common filter materials, and achieves higher levels in the aspects of filter efficiency, filter precision and the like. Common filter materials include PE, PP, PTFE, PMIA, NMO, etc. The filter bag is a key part in the operation process of the bag type dust collector, and the cylindrical filter bag is usually vertically hung in the dust collector. In a pulse and gas box type pulse dust collector, dust is attached to the outer surface of a filter bag, when dust-containing gas passes through the dust collector, the dust is trapped on the outer surface of the filter bag, clean gas enters the interior of the filter bag through a filter material, and a cage inside the filter bag is used for supporting the filter bag, preventing the filter bag from collapsing, and simultaneously being beneficial to cleaning and redistribution of dust cakes. The frame that is used for the filter bag that has now is mostly the cylinder type, and the filter bag frame of cylinder type has the relatively poor shortcoming of connection fastening nature with the sack department of filter bag usually, and dismantles inconveniently.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to overcome the problems that the traditional cylindrical filter bag frame and the bag mouth of the filter bag are poor in connection fastening performance and inconvenient to detach, the PTFE filter bag is provided.
The utility model provides a technical scheme that its technical problem adopted is: a PTFE filter bag comprises a filter screen bag and a frame body, wherein the filter screen bag is sleeved outside the frame body, the frame body comprises an outer mounting ring and an inner mounting ring, the inner mounting ring is coaxially and fixedly mounted in the outer mounting ring, the upper surface of the outer mounting ring is higher than the upper surface of the inner mounting ring, outer support rods are fixedly mounted on the upper surface of the outer mounting ring, and a plurality of outer support rods are uniformly distributed along the circumference of the central axis of the outer mounting ring; the inner support rods are fixedly arranged on the upper surface of the inner mounting ring, are externally tangent to the inner circumferential surface of the inner mounting ring, are uniformly distributed along the circumference of the central axis of the inner mounting ring, are fixedly connected with the outer support rods through support rings, and are fixedly provided with top plates at the ends far away from the outer mounting ring, and are coaxially arranged with the outer mounting ring in an equal diameter manner; the utility model discloses a filter screen bag, including interior mounting ring, the internal coaxial snap ring that is provided with of interior mounting ring, the open end of filter screen bag turns over the back fixing clip and establishes between snap ring and interior mounting ring to the interior mounting ring of rolling over, fixed mounting has a plurality of flexible brush hair on the outer periphery of snap ring, the extrusion of flexible brush hair sets up between filter screen bag and snap ring, the length under the flexible brush hair natural state is greater than the radius difference that outer installation traded and interior mounting ring.
The PTFE filter bag of the utility model is characterized in that the upper surface of the outer mounting ring is fixedly provided with outer supporting rods, a plurality of outer supporting rods are evenly distributed along the circumference of the central axis of the outer mounting ring, and the outer supporting rods are used for supporting the filter screen bag; when the flexible brush type filter screen is used, the filter screen bag is sleeved outside the frame body, the opening end of the filter screen bag is turned inwards into the mounting ring and then fixedly clamped between the clamping ring and the inner mounting ring, a plurality of flexible bristles are fixedly arranged on the outer circumferential surface of the clamping ring and are arranged between the filter screen bag and the clamping ring in an extruding manner, and the flexible bristles increase the friction force between the filter screen bag and the clamping ring, so that the filter screen bag can be clamped between the clamping ring and the inner mounting ring more firmly, and the filter screen bag is fixed on the frame body more firmly; when the filter screen bag is disassembled, the snap ring is pushed inwards, the snap ring is far away from the inner mounting ring, the filter bag can be disassembled, the filter screen bag opening can be held by hands at the moment, the flexible brush is in a natural state after not being extruded, the length of the flexible brush hair in the natural state is larger than the radius difference between the outer mounting ring and the inner mounting ring, the flexible brush hair can clean the inner wall of the filter screen bag, when the snap ring is pushed to the other end, the snap ring can be pulled back again, so that the filter screen bag is cleaned secondarily, and after the secondary cleaning is completed, the filter screen bag can be taken down from the frame body; the inner supporting rods are fixedly arranged on the upper surface of the inner mounting ring, the inner supporting rods are uniformly distributed along the circumference of the central axis of the inner mounting ring, and when the snap ring moves, the inner supporting rods provide a guiding effect for the snap ring.
In order to facilitate the snap ring to be pulled back from the other end, positioning rings are fixedly mounted on the inner circumferential surface of the snap ring, the two positioning rings are uniformly distributed along the circumference of the central axis of the snap ring, the two positioning rings are arranged in a tangent mode with the snap ring, and the snap ring can be pulled back by hooking the positioning rings through hooks.
In order to ensure that the flexible bristles can be rapidly reset to a natural state without being squeezed, the flexible bristles are nano bristles.
The utility model has the advantages that the PTFE filter bag of the utility model is fixedly provided with the outer supporting rods on the upper surface of the outer mounting ring, the outer supporting rods are evenly distributed along the circumference of the central axis of the outer mounting ring, and the outer supporting rods are used for supporting the filter screen bag; when the flexible brush type filter screen is used, the filter screen bag is sleeved outside the frame body, the opening end of the filter screen bag is turned inwards into the mounting ring and then fixedly clamped between the clamping ring and the inner mounting ring, a plurality of flexible bristles are fixedly arranged on the outer circumferential surface of the clamping ring and are arranged between the filter screen bag and the clamping ring in an extruding manner, and the flexible bristles increase the friction force between the filter screen bag and the clamping ring, so that the filter screen bag can be clamped between the clamping ring and the inner mounting ring more firmly, and the filter screen bag is fixed on the frame body more firmly; when the filter screen bag is disassembled, the snap ring is pushed inwards, the snap ring is far away from the inner mounting ring, the filter bag can be disassembled, the filter screen bag opening can be held by hands at the moment, the flexible brush is in a natural state after not being extruded, the length of the flexible brush hair in the natural state is larger than the radius difference between the outer mounting ring and the inner mounting ring, the flexible brush hair can clean the inner wall of the filter screen bag, when the snap ring is pushed to the other end, the snap ring can be pulled back again, so that the filter screen bag is cleaned secondarily, and after the secondary cleaning is completed, the filter screen bag can be taken down from the frame body; the inner supporting rods are fixedly arranged on the upper surface of the inner mounting ring, the inner supporting rods are uniformly distributed along the circumference of the central axis of the inner mounting ring, and when the snap ring moves, the inner supporting rods provide a guiding effect for the snap ring.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a two-dimensional cross-sectional view of the present invention;
FIG. 2 is an enlarged view of the present invention at A in FIG. 1;
FIG. 3 is a three-dimensional schematic view of the frame body of the present invention;
fig. 4 is a three-dimensional schematic view of the snap ring of the present invention.
In the figure: 1. the novel filter screen comprises a filter screen bag, 2 parts of a frame body, 3 parts of an outer mounting ring, 4 parts of an inner mounting ring, 5 parts of an outer supporting rod, 6 parts of an inner supporting rod, 7 parts of a supporting ring, 8 parts of a top plate, 9 parts of a clamping ring, 10 parts of flexible bristles and 11 parts of a positioning ring.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
The PTFE filter bag shown in fig. 1-4 comprises a filter bag 1 and a frame body 2, the filter bag 1 is sleeved outside the frame body 2, the frame body 2 comprises an outer mounting ring 3 and an inner mounting ring 4, the inner mounting ring 4 is coaxially and fixedly mounted in the outer mounting ring 3, the upper surface of the outer mounting ring 3 is higher than the upper surface of the inner mounting ring 4, outer support rods 5 are fixedly mounted on the upper surface of the outer mounting ring 3, and a plurality of outer support rods 5 are uniformly distributed along the circumference of the central axis of the outer mounting ring 3; the upper surface of the inner mounting ring 4 is fixedly provided with inner supporting rods 6, the inner supporting rods 6 are externally tangent to the inner circumferential surface of the inner mounting ring 4, the inner supporting rods 6 are uniformly distributed along the circumference of the central axis of the inner mounting ring 4, the inner supporting rods 6 are fixedly connected with the outer supporting rods 5 through supporting rings 7, one ends of the outer supporting rods 5 and the inner supporting rods 6 far away from the outer mounting ring 3 are fixedly provided with top plates 8, and the top plates 8 and the outer mounting ring 3 are equal in diameter and are coaxially arranged; the inner mounting ring 4 is internally and coaxially provided with a snap ring 9, the opening end of the filter screen bag 1 is fixedly clamped between the snap ring 9 and the inner mounting ring 4 after being turned inwards towards the inner mounting ring 4, the outer circumferential surface of the snap ring 9 is fixedly provided with a plurality of flexible bristles 10, and the flexible bristles 10 are nano bristles. The flexible bristles 10 are arranged between the filter screen bag 1 and the clamping ring 9 in an extruding mode, and the length of the flexible bristles 10 in a natural state is larger than the radius difference between the outer mounting ring and the inner mounting ring 4. Fixed mounting has holding ring 11 on the inner circumference of snap ring 9, and two holding rings 11 are along the central axis circumference equipartition of snap ring 9, and two holding rings 11 all with the tangent setting of snap ring 9, use the hook to catch on holding ring 11 and just can pull back snap ring 9.
In the PTFE filter bag of the utility model, the upper surface of the outer mounting ring 3 is fixedly provided with the outer supporting rods 5, the plurality of outer supporting rods 5 are evenly distributed along the circumference of the central axis of the outer mounting ring 3, and the outer supporting rods 5 are used for supporting the filter screen bag 1; when the filter screen bag is used, the filter screen bag 1 is sleeved outside the frame body 2, the opening end of the filter screen bag 1 is fixedly clamped between the snap ring 9 and the inner mounting ring 4 after being turned inwards towards the inner mounting ring 4, the outer circumferential surface of the snap ring 9 is fixedly provided with a plurality of flexible bristles 10, the flexible bristles 10 are extruded and arranged between the filter screen bag 1 and the snap ring 9, and the flexible bristles increase the friction force between the filter screen bag 1 and the snap ring 9, so that the filter screen bag 1 can be clamped between the snap ring 9 and the inner mounting ring 4 more firmly, and the filter screen bag 1 is fixed on the frame body 2 more firmly; when the filter screen bag 1 is disassembled, the snap ring 9 is pushed inwards, the snap ring 9 is far away from the inner mounting ring 4, the filter bag can be disassembled, the filter screen bag 1 can be held by a hand at the moment, the flexible brush is in a natural state after being not extruded, the length of the flexible brush hair 10 in the natural state is larger than the radius difference between the outer mounting ring and the inner mounting ring 4, the inner wall of the filter screen bag 1 can be cleaned by the flexible brush hair, when the snap ring 9 is pushed to the other end, the snap ring 9 can be pulled back again, so that the filter screen bag 1 is cleaned secondarily, and after the secondary cleaning is finished, the filter screen bag 1 can be taken down from the frame body 2; inner supporting rods 6 are fixedly arranged on the upper surface of the inner mounting ring 4, the inner supporting rods 6 are uniformly distributed along the circumference of the central axis of the inner mounting ring 4, and when the snap ring 9 moves, the inner supporting rods 6 provide a guiding effect for the snap ring 9.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (3)
1. The utility model provides a PTFE filter bag, includes filter screen bag (1) and frame body (2), the filter screen bag (1) cover is established outside frame body (2), its characterized in that: the frame body (2) comprises an outer mounting ring (3) and an inner mounting ring (4), the inner mounting ring (4) is coaxially and fixedly mounted in the outer mounting ring (3), the upper surface of the outer mounting ring (3) is higher than the upper surface of the inner mounting ring (4), outer support rods (5) are fixedly mounted on the upper surface of the outer mounting ring (3), and a plurality of outer support rods (5) are uniformly distributed along the circumference of the central axis of the outer mounting ring (3); inner supporting rods (6) are fixedly mounted on the upper surface of the inner mounting ring (4), the inner supporting rods (6) are arranged in an externally-tangent mode with the inner circumferential surface of the inner mounting ring (4), a plurality of inner supporting rods (6) are uniformly distributed along the circumference of the central axis of the inner mounting ring (4), the inner supporting rods (6) are fixedly connected with the outer supporting rods (5) through supporting rings (7), a top plate (8) is fixedly mounted at one end, far away from the outer mounting ring (3), of each of the outer supporting rods (5) and the inner supporting rods (6), and the top plate (8) and the outer mounting ring (3) are in equal diameter and coaxial arrangement; the utility model discloses a filter screen bag, including interior collar (4), the open end of filter screen bag (1) is to interior collar (4) internal turnover back fixing clip establish between snap ring (9) and interior collar (4), fixed mounting has a plurality of flexible brush hair (10) on the outer periphery of snap ring (9), flexible brush hair (10) extrusion sets up between filter screen bag (1) and snap ring (9), the length under flexible brush hair (10) the natural state is greater than the radius difference of outer collar and interior collar (4).
2. The PTFE filter bag of claim 1, wherein: and the inner circumferential surface of the clamping ring (9) is fixedly provided with positioning rings (11), the two positioning rings (11) are uniformly distributed along the circumference of the central axis of the clamping ring (9), and the two positioning rings (11) are all arranged in a tangent manner with the clamping ring (9).
3. The PTFE filter bag of claim 1, wherein: the flexible bristles (10) are nano bristles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021496772.6U CN213077802U (en) | 2020-07-23 | 2020-07-23 | PTFE filter bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021496772.6U CN213077802U (en) | 2020-07-23 | 2020-07-23 | PTFE filter bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213077802U true CN213077802U (en) | 2021-04-30 |
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ID=75626742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021496772.6U Active CN213077802U (en) | 2020-07-23 | 2020-07-23 | PTFE filter bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213077802U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113413828A (en) * | 2021-08-06 | 2021-09-21 | 深圳市新泰盈电子材料有限公司 | Powder feeding system with dustproof function |
| CN114377490A (en) * | 2021-11-02 | 2022-04-22 | 抚顺天宇滤材有限公司 | Special ultra-clean discharge filter bag applied to waste incineration |
-
2020
- 2020-07-23 CN CN202021496772.6U patent/CN213077802U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113413828A (en) * | 2021-08-06 | 2021-09-21 | 深圳市新泰盈电子材料有限公司 | Powder feeding system with dustproof function |
| CN114377490A (en) * | 2021-11-02 | 2022-04-22 | 抚顺天宇滤材有限公司 | Special ultra-clean discharge filter bag applied to waste incineration |
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