CN206262275U - A kind of dedusting filtering bag - Google Patents
A kind of dedusting filtering bag Download PDFInfo
- Publication number
- CN206262275U CN206262275U CN201621404961.XU CN201621404961U CN206262275U CN 206262275 U CN206262275 U CN 206262275U CN 201621404961 U CN201621404961 U CN 201621404961U CN 206262275 U CN206262275 U CN 206262275U
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- China
- Prior art keywords
- bag
- cloth
- layer cloth
- felt circle
- dedusting filtering
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The dedusting filtering bag that the utility model is related to, including sack, bag body, bag bottom, wherein sack includes outer cloth, inner-layer cloth, it is arranged on the annular steel ring between outer cloth and inner-layer cloth, felt circle, the one end of wherein outer cloth is sewn to the inside of felt circle, inner-layer cloth one end is sewn to the inwall of felt circle, and the other end extends from the inwall of felt circle to bag bottom, felt circle inside portion, the installation that annular steel ring is formed between outer cloth and the inner-layer cloth to the extension of bag bottom is interval, after annular steel ring is installed, sutured between outer cloth and the inner-layer cloth to the extension of bag bottom and form the first suturing part, the both ends of annular steel ring contradict in the first suturing part and felt circle inside portion respectively, the other end of outer cloth, the end that inner-layer cloth extends to bag bottom, and the one end three of bag body is stitched together to form the second suturing part.The utility model is prevented from annular steel ring to the destruction of sack under the washing away of high pressure draught and improves sack and bag body suture intensity, extends the life-span.
Description
Technical field
The utility model is related to a kind of dedusting filtering bag.
Background technology
At present, the preparation method of the sack of dedusting filtering bag, bag body and bag bottom is all that filtrate cloth is stitched using sewing machine
Close connection.Specifically, for the bag body of dedusting filtering bag, filtrate cloth is curled into cylindrical shape first, the both sides fitted are direct
It is sewed together.For the sack of dedusting filtering bag, the top of the bag body of dedusting filtering bag is outwards turned down first, turned down in formation
, then be placed on annular steel ring between upper flanging and bag body by side, is finally sewed the bottom of upper flanging with sewing machine
With bag, so annular steel ring is just wrapped in sack.For the bag bottom of dedusting filtering bag, bag bottom is placed on bag body first
Bottom, then directly sews connection by the edge at bag bottom and bag body.There is many defects using above-mentioned sewing mode：Dedusting filtering bag
Sack use the sewing mode, due to airflow scouring dedusting filtering bag frequently, annular steel ring is placed in sack, annular steel ring
Fitted and sack between, the suture of sack and bag body only has two-layer filtrate cloth, and filter bag opening is continuous pulse jet air-flow
Under washing away, service life is short.
The content of the invention
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, there is provided a kind of improved dedusting filter
Bag, its be prevented under the washing away of high pressure draught annular steel ring to the destruction of sack and improve sack and bag body suture it is strong
Degree, extends its service life.
In order to solve the above technical problems, the utility model is adopted the following technical scheme that：
A kind of dedusting filtering bag, it includes sack, bag body, bag bottom, and wherein sack includes outer cloth, inner-layer cloth, sets outside
Annular steel ring, felt circle between layer cloth and inner-layer cloth, the one end of wherein outer cloth are sewn to the inside of felt circle, inner-layer cloth
One end is sewn to the inwall of felt circle and the other end extends from the inwall of felt circle to bag bottom, felt circle inside portion, outer layer
The installation that annular steel ring is formed between cloth and the inner-layer cloth extended to bag bottom is interval, after annular steel ring is installed, outer cloth and to
Sutured between the inner-layer cloth that bag bottom extends and form the first suturing part, the both ends of annular steel ring contradict respectively in the first suturing part and
Felt circle inside portion, the one end three suture of the other end, the end that inner-layer cloth extends to bag bottom and bag body of outer cloth
The second suturing part is formed together.
Preferably, inner-layer cloth is connected to the end of felt circle inwall and is provided with flange from inside to outside, and flange is consolidated with felt circle
Fixed suture, the inner-layer cloth extended to bag bottom is close on flange and annular steel ring is squeezed between outer cloth and inner-layer cloth.
Preferably, after inner-layer cloth is treatment of singing towards the face at the sack center and the lateral surface of the outer cloth
Shiny surface.Shiny surface after treatment of singing, on the one hand it ensure that gas permeability；On the other hand leaking for dust is prevented.
Preferably, the outer end of flange flushes setting with the outer end of felt circle.It is easy to the installation of filter core.
According to one of the present utility model specific implementation and preferred aspect, bag bottom is sewn to a bag body other end including one end
The body in portion, the back cover for being connected to body the other end.
Preferably, the other end of body is provided with the bound edge for bending inwards, and back cover surrounding is sewn between bound edge and body,
Wherein back cover is located at the inside of the other end of body.So that bag bottom has the ability for bearing high pressure draught higher, strengthen filter bag
Use scope and service life.
Further, back cover has one or more layers to be made with breathing freely and being prevented from dust granules discharge fabric, body
Lateral surface be singe treatment after shiny surface.
According to another specific implementation of the present utility model and preferred aspect, the other end of bag body bends inwards to form bag
Side, bag bottom includes the back cover being sewn between bound edge and bag body, and wherein back cover is located at the inside of the other end of bag body.
Preferably, back cover has one or more layers to be made with breathing freely and being prevented from dust granules discharge fabric.
Additionally, bag body is in straight-tube shape, its joint close alongst is stitched by hot melt, ultrasonic bonding or needlework
Close；And bag body lateral surface is the shiny surface after processing of singing.When filter bag is in the state of high pressure draught, bag body is not adopted and sew on
Close, it is general using the more of ultrasonic bonding.
Due to the implementation of above technical scheme, the utility model has the following advantages that compared with prior art：
The utility model be prevented under the washing away of high pressure draught annular steel ring to the destruction of sack and improve sack and
Bag body suture intensity, extends its service life, and simple structure is easy to implement, and low cost.
Brief description of the drawings
The utility model is described in more detail with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of dedusting filtering bag in embodiment 1（Section view）；
Fig. 2 is the structural representation of dedusting filtering bag in embodiment 2（Section view）；
Fig. 3 is the enlarged diagram of sack in embodiment 1 and 2（Section view）；
Wherein：1st, sack；10th, outer cloth；11st, inner-layer cloth；12nd, annular steel ring；13rd, felt circle；2nd, bag body；3rd, bag bottom；
30th, body；31st, back cover；4th, the first suturing part；5th, the second suturing part；A, flange；B, bound edge.
Specific embodiment
Embodiment 1
As shown in figures 1 and 3, the dedusting filtering bag that the present embodiment is provided, it includes sack 1, bag body 2, wherein bag bottom 3, bag
Mouth 1 includes outer cloth 10, inner-layer cloth 11, annular steel ring 12, the felt circle 13 being arranged between outer cloth 10 and inner-layer cloth 11, its
The one end of middle outer cloth 10 is sewn to the inside of felt circle 13, the one end of inner-layer cloth 11 be sewn to the inwall of felt circle 13 and
The other end extends from the inwall of felt circle 13 to bag bottom 3, the inside portion of felt circle 13, outer cloth 10 and to bag bottom 3 extend in
The installation that annular steel ring 12 is formed between layer cloth 11 is interval, after annular steel ring 12 is installed, outer cloth 10 and to the extension of bag bottom 3
Sutured between inner-layer cloth 11 and form the first suturing part 4, the both ends of annular steel ring 12 contradict in the first suturing part 4 and felt respectively
Enclose 13 inside portions, the one end three seam of the other end, the end that inner-layer cloth extends to bag bottom 3 and bag body 2 of outer cloth 10
It is combined to form the second suturing part 5.
The end that inner-layer cloth 11 is connected to the inwall of felt circle 13 is provided with flange a from inside to outside, and flange a consolidates with felt circle 13
Fixed suture, the inner-layer cloth extended to bag bottom 3 is close on flange a and annular steel ring 12 is squeezed in into outer cloth 10 and inner-layer cloth
Between 11.
Further, after inner-layer cloth 11 is treatment of singing towards the face at the center of sack 1 and the lateral surface of outer cloth 10
Shiny surface.Shiny surface after treatment of singing, on the one hand it ensure that gas permeability；On the other hand leaking for dust is prevented.
The outer end of flange a flushes setting with the outer end of felt circle 13.It is easy to the installation of filter core.
Bag bottom 3 is sewn to the body 30 of the other end of bag body 2, is connected to the back cover of the other end of body 30 including one end
31。
The other end of body 30（Right part）The bound edge b for bending inwards is provided with, the surrounding of back cover 31 is sewn to bound edge b and set
Between body 30, wherein back cover 31 is located at the other end of body 30（Right part）Inside.So that height is born in bag bottom 3 with higher
The ability of pressure gas stream, strengthens the use scope and service life of filter bag.
Further, back cover 31 has one or more layers to be made with breathing freely and being prevented from dust granules discharge fabric, covers
The lateral surface of body 30 is the shiny surface after processing of singing.
Additionally, bag body 2 is in straight-tube shape, its joint close alongst is stitched by hot melt, ultrasonic bonding or needlework
Close；And the lateral surface of bag body 2 is the shiny surface after processing of singing.When filter bag is in the state of high pressure draught, bag body does not use needlework
Suture is general using the more of ultrasonic bonding.
Embodiment 2
Referring to Fig. 2 and Fig. 3, the filter bag involved by the present embodiment, its structure of sack 1 is same as Example 1, and difference exists
In bag body 2 and bag bottom 3.
Specifically, the other end of bag body 2（Right part）Bend inwards to form bound edge b, bag bottom 3 includes being sewn to bound edge b
With the back cover 31 between bag body 2, wherein back cover 31 is positioned at the other end of bag body 2（Right part）Inside.
Specifically, back cover 31 has one or more layers to be made with breathing freely and being prevented from dust granules discharge fabric.
In sum, the dedusting filtering bag involved by the application has advantages below：
1. by the setting of felt circle, in the case of high pressure draught washes away dedusting filtering bag frequently, prevent annular steel ring with
The friction of sack, extends the service life of sack；
2. outer cloth, inner-layer cloth and bag body three are stitched together, and improve the intensity of sack and bag body junction surface；
3. bag bottom is designed using bound edge, it is ensured that the junction of bag bottom and bag body will not leak ash（Especially washed away in high pressure draught
Remove down）, while also effectively preventing coming off for bag bottom；
4. inner-layer cloth is burning towards the lateral surface in the face, the lateral surface of outer cloth and bag body and bag bottom at sack center
Shiny surface after hair treatment, and by the shiny surface after treatment of singing, on the one hand it ensure that gas permeability；On the other hand prevent
Dust leaks.
The utility model is described in detail above, the personage that this art is familiar with its object is to allow can be much of that
Solve content of the present utility model and be carried out, protection domain of the present utility model, and the utility model can not be limited with this
The above embodiments are not limited to, all equivalent change or modifications made according to Spirit Essence of the present utility model should all cover
Protection domain of the present utility model.
Claims (10)
1. a kind of dedusting filtering bag, it includes sack, bag body, bag bottom, wherein described sack includes outer cloth, inner-layer cloth, setting
Annular steel ring between the outer cloth and the inner-layer cloth, it is characterised in that：Described sack also includes felt circle, described
The one end of outer cloth is sewn to the inside of the felt circle, and described inner-layer cloth one end is sewn to the interior of the felt circle
Wall and the other end extends from the inwall of the felt circle to the bag bottom, described felt circle inside portion, described outer cloth
The installation that the annular steel ring is formed and the inner-layer cloth to bag bottom extension between is interval, when described annular steel ring is installed
Afterwards, sutured between described outer cloth and the inner-layer cloth to bag bottom extension and form the first suturing part, the annular steel ring
Both ends contradict in first suturing part and the felt circle inside portion respectively, the other end of the outer cloth, it is described in
The end and the one end three of the bag body that layer cloth extends to the bag bottom are stitched together to form the second suturing part.
2. dedusting filtering bag according to claim 1, it is characterised in that：The inner-layer cloth is connected to the felt circle inwall
End is provided with flange from inside to outside, and described flange is fixed with the felt circle and sutured, to the described interior of bag bottom extension
Layer cloth is close on the flange and the annular steel ring is squeezed between the outer cloth and inner-layer cloth.
3. dedusting filtering bag according to claim 2, it is characterised in that：Face of the described inner-layer cloth towards the sack center
The shiny surface after treatment of singing is with the lateral surface of the outer cloth.
4. dedusting filtering bag according to claim 2, it is characterised in that：The outer end of the flange is outer with the felt circle
End flushes setting.
5. dedusting filtering bag according to claim 1, it is characterised in that：Described bag bottom is sewn to the bag including one end
The body of body the other end, the back cover for being connected to described body the other end.
6. dedusting filtering bag according to claim 5, it is characterised in that：Described the other end of the body is provided with inwardly curved
The bound edge of folding, described back cover surrounding is sewn between the bound edge and the body, wherein described back cover is located at the set
The inside of described the other end of body.
7. dedusting filtering bag according to claim 5, it is characterised in that：Described back cover have one or more layers have it is ventilative and
It is prevented from dust granules discharge fabric to be made, the lateral surface of the body is the shiny surface after processing of singing.
8. dedusting filtering bag according to claim 1, it is characterised in that：The other end of the bag body bends inwards to form bag
Side, described bag bottom includes the back cover being sewn between described bound edge and the bag body, wherein described back cover is positioned at described
The inside of described the other end of bag body.
9. dedusting filtering bag according to claim 8, it is characterised in that：Described back cover have one or more layers have it is ventilative and
Dust granules discharge fabric is prevented to be made.
10. dedusting filtering bag according to claim 1, it is characterised in that：Described bag body is in straight-tube shape, and it is along length side
To joint close sutured by hot melt, ultrasonic bonding or needlework；And described bag body lateral surface be singe treatment after it is smooth
Face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621404961.XU CN206262275U (en) | 2016-12-20 | 2016-12-20 | A kind of dedusting filtering bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621404961.XU CN206262275U (en) | 2016-12-20 | 2016-12-20 | A kind of dedusting filtering bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206262275U true CN206262275U (en) | 2017-06-20 |
Family
ID=59047207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621404961.XU Active CN206262275U (en) | 2016-12-20 | 2016-12-20 | A kind of dedusting filtering bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206262275U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109107287A (en) * | 2018-10-31 | 2019-01-01 | 苏州市荣丰环保科技有限公司 | Filter bag cloth can folding or expansion collection assembly of dust |
| CN110270167A (en) * | 2019-07-31 | 2019-09-24 | 常州春南环保设备有限公司 | A kind of dust settling pocket |
-
2016
- 2016-12-20 CN CN201621404961.XU patent/CN206262275U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109107287A (en) * | 2018-10-31 | 2019-01-01 | 苏州市荣丰环保科技有限公司 | Filter bag cloth can folding or expansion collection assembly of dust |
| CN110270167A (en) * | 2019-07-31 | 2019-09-24 | 常州春南环保设备有限公司 | A kind of dust settling pocket |
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