CN212067490U - Filter element for isolation suit respiratory support equipment - Google Patents
Filter element for isolation suit respiratory support equipment Download PDFInfo
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- CN212067490U CN212067490U CN202020691278.9U CN202020691278U CN212067490U CN 212067490 U CN212067490 U CN 212067490U CN 202020691278 U CN202020691278 U CN 202020691278U CN 212067490 U CN212067490 U CN 212067490U
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Abstract
The utility model relates to a filter element for respiratory support equipment of isolation clothes, which comprises filter cloth; the filter cloth is arranged in a filter element base body with a gas passing channel, and the edge of the filter cloth is hermetically connected with the gas passing channel of the filter element base body so as to ensure that gas passing through the gas passing channel is filtered by the filter cloth; the filter core base member thereby supports the filter core storehouse of being convenient for put into breathing support equipment with regard to intensity including enclosing the lateral wall of establishing a week, the inner space of the a week lateral wall of filter core base member forms to cross the gas passageway, on the filter core base member in the both ends of crossing the gas passageway have air inlet and gas outlet respectively. The utility model discloses the filter core of monomer form is convenient for organize production and change and is used to can guarantee that the gas through filter core base member gas passing channel all is filtered by the filter cloth, guarantee filter effect, the filter cloth is continuous V-arrangement rugosity in the filter core base member, thereby can also increase filtration ventilation area and guarantee filter effect and ventilation efficiency simultaneously, comfortable and the security of guarantee use.
Description
Technical Field
The utility model belongs to the technical field of the filter element among the respiratory protection device, concretely relates to filter core for isolation suit respiratory support equipment.
Background
The existing respiratory support device for isolation protective clothing, as related in chinese patent CN2770703Y, generally uses a filter element for filtering the outside air, and the filtered air is sent into the isolation clothing for the wearer to breathe, so as to ensure the breathing health and comfort of the wearer. However, the filtering effect of the filter element, including the filtering performance of the filter element itself and the matching performance of the filter element with the filter element mounting chamber of the respiratory support apparatus, affects the filtering effect of the air fed into the suit. The filter element is also a consumable in the respiratory support device and needs to be replaced frequently, and the structural design must be carefully and deeply studied to ensure the use effect.
The applicant has been dedicated to research on the safety of the isolated protection breath, and as the research results of CN210205641U and CN210205638U, the importance of the filter element in the breathing support device is further recognized through the use of the actually manufactured breathing support device, which is not as simple as stacking the filter material in the installation area of the filter unit, and thus the ideal filtering effect cannot be achieved, and the use and replacement are not convenient, and the use effect of the breathing support device is severely limited. In addition, the respiratory support equipment must guarantee certain air supply volume in order to ensure use comfort and security, and the corresponding air that also requires to have certain volume in unit time can pass through the filter core and be filtered, and the requirement of filtration and air output is difficult to reach simultaneously to conventional filter core setting mode.
Disclosure of Invention
The above-mentioned not enough to prior art, the to-be-solved technical problem of the utility model is to provide a filter core for isolation clothes respiratory support equipment, avoid breathing the limited problem of filter core filter effect in the support equipment, gain the change of being convenient for, filter the security height and ventilate reliable effect.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the filter element for the respiratory support equipment of the isolation suit comprises filter cloth; the filter cloth is arranged in a filter element base body with a gas passing channel, and the edge of the filter cloth is hermetically connected with the gas passing channel of the filter element base body so as to ensure that gas passing through the gas passing channel is filtered by the filter cloth; thereby the filter core base member supports the filter core storehouse of being convenient for put into breathing support equipment with regard to as intensity including enclosing the lateral wall of establishing a week, and the inner space of the a week lateral wall of filter core base member forms into cross the gas passageway, on the filter core base member in the both ends of crossing the gas passageway have air inlet and gas outlet respectively.
Further perfecting the technical scheme, the two ends of the side wall of the filter element base body are open and respectively form the air inlet and the air outlet.
Furthermore, the outer side surface of the side wall of one circle of the filter element base body is provided with a taper and is gradually reduced from the air inlet end to the air outlet end.
Furthermore, the edge of the air inlet end of the side wall of the filter element base body in one circle is connected with two flexible pulling pieces, and the two flexible pulling pieces are symmetrically arranged so that the filter element can be conveniently taken out of the filter element bin when the filter element is replaced.
Furthermore, the filter cloth is arranged in the air passing channel in a corrugated shape to increase the filtering and ventilating area so as to ensure the ventilation capacity.
Furthermore, the filter cloth is arranged in the air passing channel in a plurality of continuous V-shaped folded shapes so as to increase the filtering and ventilating area to a greater extent.
Furthermore, the filter cloth has a distance to the edge of the air outlet end of the side wall, the inner space of the side wall of the distance section forms a lateral channel, the edge of the air outlet end of the side wall is provided with a vent, and the vent is communicated with the lateral channel so as to be capable of passing through the vent after the filter element is placed in the filter element bin to form a lateral air outlet.
Furthermore, the side wall of the filter element base body is arranged in a rectangular shape in a surrounding mode, and the extending direction of the V-shaped folding of the filter cloth is consistent with the length direction of the filter element base body so that more V-shaped folding can be continuously arranged; the vent is arranged on the end face of the filter element base body.
Furthermore, the filter cloth is made of non-woven fabrics, spun-bonded non-woven fabrics, melt-blown non-woven fabrics or abrasive cloth.
Furthermore, the side wall of the filter element base body is made of polyethylene foam.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the filter element for the respiratory support equipment of the isolation suit is connected with the filter cloth through the arrangement of the filter element base body to form a single filter element, which is convenient for organizing production and replacing; select the filter cloth according to protection filtration grade, the border of filter cloth with the inner wall sealing connection of the gas channel of filter core base member has guaranteed completely that the gas of passing the gas channel through the filter core base member all is filtered by the filter cloth, has guaranteed the use filter effect of filter core.
2. The utility model discloses a filter core for isolation clothes breathing support equipment, filter cloth are continuous V-arrangement rugosity in the filter core base member, thereby can increase filtration ventilation area and guarantee filter effect and ventilation efficiency simultaneously, comfortable and the security of guarantee use.
3. The utility model discloses a filter core for isolation clothes breathing support equipment, except that the filter effect of filter core itself is good, its lateral surface has the tapering, can ensure the filter core and prevent the gas permeability with the matching in respiratory support device's filter core installation storehouse, plays the wedging and prevents ventilative effect, reaches better result of use.
Drawings
FIG. 1 is a schematic diagram of a filter cartridge for an isolation suit respiratory support apparatus according to an embodiment;
FIG. 2 is a schematic diagram of another perspective of a filter cartridge for a barrier suit respiratory support apparatus in accordance with an exemplary embodiment;
FIG. 3 is a schematic view of a filter cartridge for a barrier suit respiratory support apparatus in an embodiment taken along its length;
FIG. 4 is a schematic view of a filter cartridge for a barrier suit respiratory support apparatus in accordance with an exemplary embodiment taken in cross-section in the width direction;
FIG. 5 is a diagram illustrating the effectiveness of the use of a filter cartridge for a respiratory support apparatus of an example embodiment of a barrier suit (arrows indicate gas flow);
the filter cloth comprises a filter cloth 2, a filter element base body 1, a side wall 11, a side panel 111, an end panel 112, a gas passing channel 12, a gas inlet 13, a gas outlet 14, a lateral channel 15, a gas vent 16, a flexible pull sheet 3, a breathing support device 100 and a cover 101.
Detailed Description
The following describes the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, a filter element for a respiratory support device of an isolation suit of an embodiment includes a filter cloth 2; the filter cloth 2 is arranged in a filter element base body 1 with an air passage 12, and the periphery of the filter cloth 2 is hermetically connected with the inner wall of the air passage 12 of the filter element base body 1 so as to ensure that the air passing through the air passage 12 is filtered by the filter cloth 2; thereby filter core base member 1 supports the filter core storehouse of being convenient for put into respiratory support equipment with regard to intensity including enclosing the lateral wall 11 of establishing a week, and the inner space of the a week lateral wall 11 of filter core base member 1 forms to cross gas channel 12, on the filter core base member 1 in the both ends of crossing gas channel 12 have air inlet 13 and gas outlet 14 respectively.
The filter element for the respiratory support equipment of the isolation suit of the embodiment is connected with the filter cloth 2 through the arrangement of the filter element base body 1 to form a single filter element, which is convenient for tissue production and replacement; select filter cloth 2 according to protection filtration grade, filter cloth 2 a week border with filter core base member 1's the inner wall sealing connection of air passage 12 has guaranteed completely that the air of air passage 12 through filter core base member 1 is all filtered by filter cloth 2, has guaranteed the use filter effect of filter core.
Wherein, two ends of the side wall 11 of the filter element base body 1 are open and respectively form the air inlet 13 and the air outlet 14.
Thus, the air inlet 13 and the air outlet 14 are formed by directly utilizing two ends of the side wall 11 of the circumference of the filter element base body 1 without opening holes and ventilating after arranging an end plate, and the smoothness of the air passing channel 12 is fully ensured.
Referring to fig. 3 and 4, an outer side surface of a circumferential side wall 11 of the filter element base body 1 has a taper and is in a taper direction gradually decreasing from an air inlet end to an air outlet end, that is, the outer side surface of the circumferential side wall 11 of the filter element base body 1 is in a form of a pyramid-like frustum.
Thus, the air permeability can be prevented by matching the filter element with the filter element mounting bin of the respiratory support device 100, and a better using effect can be achieved. When in use, correspondingly, the side wall of the filter element installation bin of the respiratory support device 100 is also provided with corresponding taper (see fig. 5), so as to play a role in wedging to prevent ventilation.
Wherein, the border of the air inlet end of a week lateral wall 11 of filter core base member 1 is connected with two flexible pulling-on pieces 3, and two flexible pulling-on pieces 3 symmetry set up so that conveniently take out the filter core from the filter core storehouse when changing the filter core.
The filter cloth 2 is arranged in the air passage 12 in a corrugated shape, so that the filtering and ventilating area can be increased, and the filtering effect and the ventilating efficiency can be ensured at the same time. When the filter is implemented, the filter can achieve the effect of increasing the filtering and ventilating area by enabling the folds in any direction.
Referring to fig. 3, in the present embodiment, the filter cloth 2 is disposed in the air passage 12 in a plurality of continuous V-shaped folds to increase the filtering and ventilating area to a greater extent, and the continuous V-shaped folds also make the filter cloth 2 more regular in the filter element base 1, so that the filter cloth has a better form retention degree when used, and can ensure a filtering posture within a service life.
The filter cloth 2 has a distance to the edge of the air outlet end of the side wall 11, the inner space of the side wall of the distance section forms a lateral passage 15, a vent 16 is opened at the edge of the air outlet end of the side wall 11, the vent 16 is communicated with the lateral passage 15 so that after a filter element is placed in the filter element bin (the original air outlet end is attached to the bottom of the filter element bin of the respiratory support device 100 and is closed), a lateral air outlet can be formed through the vent 16.
Therefore, the human-computer efficacy can be better met; referring to fig. 5, in combination with the use of the respiratory support device 100, the filter element in the form of the lateral air outlet is installed in the filter element chamber, and the cover 101 with a plurality of air holes is covered, so that the respiratory support device 100 has a smaller thickness and a flat and long shape, can be bound to the waist of a human body under the condition of basically not limiting the actions of users, and has good actual use effect and strong actual significance; after the filter element is installed, the original air outlet end of the filter element is abutted against the bottom of the filter element bin of the respiratory support device 100, the in-place feeling is strong, the installation position of the filter element is fixed, and the air inlet end of the filter element can be better (stably and cannot move downwards due to pressure) attached to the cover 101 so as to ensure a good sealing effect.
Wherein, a periphery of the side wall 11 of the filter element base body 1 is arranged in a rectangular shape, and the extending direction of the V-shaped folding of the filter cloth 2 is consistent with the length direction of the filter element base body 1 so as to continuously arrange more V-shaped folding; the vent 16 is provided on the end surface of the filter element base body 1 in the longitudinal direction.
In this way, a larger filter aeration area may be provided; flexible pull tabs 3 are also provided at both ends of the filter element base 1 in the longitudinal direction for pulling.
Wherein, the filter cloth 2 adopts non-woven fabrics, spun-bonded non-woven fabrics, melt-blown non-woven fabrics or abrasive cloth. The filtering protection grade according to the actual requirement is selected and used according to the requirement; in order to save materials, the flexible pull piece 3 can also be made of the same material as the filter cloth 2.
Wherein, the lateral wall 11 of filter core base member 1 adopts polyethylene foam cotton (EPE pearl cotton), and this material environmental protection, water proof are dampproofing, airtight, can guarantee that gaseous from filter cloth 2 passes through, and this material plasticity can be good, toughness is strong, can regard as the intensity to support, and itself also has certain flexibility, corresponds taper fit through the filter core storehouse of tapering and stereoplasm (stereoplasm plastics usually), can play fine ventilative effect of preventing, ensures well that gaseous homoenergetic only can follow filter cloth 2 and pass through. Of course, the materials themselves are conventional and will not be described in detail.
Referring to fig. 3 and 4, in practice, in order to facilitate the transition of the four corners of the filter element base body 1 to be more regular (to be matched with the filter element cabin of the respiratory support device 100), the side wall 11 of one circle comprises two side panels 111 with longer length and two end panels 112 with shorter length, when the filter element base body is manufactured and assembled, the outer surfaces of the side panels 111 and the end panels 112 can be completely coated with sealing glue to avoid air permeability, the filter cloth 2 is connected between the two side panels 111 in a continuous V-shaped folding and sealing and bonding mode, and then the two side panels 111 and the filter cloth 2 are connected between the two end panels 112 in a sealing and bonding mode.
During the implementation, side board 111, end panel 112 can be for this embodiment outside be the inclined plane, inboard be planar form, and the cross-section is the right trapezoid form promptly, also can be ordinary dull and stereotyped form, and the profiling realizes the tapering of lateral surface when connecting through sealed bonding, the utility model discloses do not do the restriction, only side board 111, end panel 112 are the right trapezoid form for the cross-section, can make the inside rectangle that is in cross-section of filter core base member 1, more make things convenient for cutting out and sealed bonding of filter cloth 2.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (10)
1. The filter element for the respiratory support equipment of the isolation suit comprises filter cloth; the method is characterized in that: the filter cloth is arranged in a filter element base body with a gas passing channel, and the edge of the filter cloth is hermetically connected with the gas passing channel of the filter element base body so as to ensure that gas passing through the gas passing channel is filtered by the filter cloth;
thereby the filter core base member supports the filter core storehouse of being convenient for put into breathing support equipment with regard to as intensity including enclosing the lateral wall of establishing a week, and the inner space of the a week lateral wall of filter core base member forms into cross the gas passageway, on the filter core base member in the both ends of crossing the gas passageway have air inlet and gas outlet respectively.
2. A filter cartridge for a barrier suit respiratory support apparatus according to claim 1, wherein: the two ends of the side wall of the circumference of the filter element base body are open and respectively form the air inlet and the air outlet.
3. A filter cartridge for a barrier suit respiratory support apparatus according to claim 2, wherein: the outer side surface of one circle of side wall of the filter element base body is provided with a taper and gradually shrinks from the air inlet end to the air outlet end.
4. A filter cartridge for a barrier suit respiratory support apparatus according to claim 3, wherein: the border of the air inlet end of a week lateral wall of filter core base member is connected with two flexible pulling-on pieces, and two flexible pulling-on pieces symmetry set up so that conveniently take out the filter core from the filter core storehouse when changing the filter core.
5. A filter cartridge for a barrier suit respiratory support apparatus according to claim 1, wherein: the filter cloth is arranged in the air passing channel in a corrugated shape to increase the filtering and ventilating area so as to ensure the ventilation capacity.
6. A filter cartridge for a barrier suit respiratory support apparatus according to claim 5, wherein: the filter cloth is arranged in the air passage in a plurality of continuous V-shaped folded shapes so as to increase the filtering and ventilating area to a greater extent.
7. A filter cartridge for a barrier suit respiratory support apparatus according to claim 6, wherein: the filter cloth has a distance to the edge of the air outlet end of the side wall, the inner space of the side wall of the distance section forms a lateral channel, the edge of the air outlet end of the side wall is provided with a vent, and the vent is communicated with the lateral channel so as to be capable of passing through the vent after the filter element is placed in the filter element bin to form a lateral air outlet.
8. A filter cartridge for a barrier suit respiratory support apparatus according to claim 7, wherein: the side wall of the periphery of the filter element base body is arranged in a rectangular shape, and the extending direction of the V-shaped folding of the filter cloth is consistent with the length direction of the filter element base body so as to continuously arrange more V-shaped folding; the vent is arranged on the end face of the filter element base body.
9. A filter cartridge for a barrier suit respiratory support apparatus according to claim 1, wherein: the filter cloth is made of non-woven fabric, spun-bonded non-woven fabric, melt-blown non-woven fabric or abrasive cloth.
10. A filter cartridge for a barrier suit respiratory support apparatus according to claim 1, wherein: the side wall of the filter element base body is made of polyethylene foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020691278.9U CN212067490U (en) | 2020-04-29 | 2020-04-29 | Filter element for isolation suit respiratory support equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020691278.9U CN212067490U (en) | 2020-04-29 | 2020-04-29 | Filter element for isolation suit respiratory support equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212067490U true CN212067490U (en) | 2020-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020691278.9U Active CN212067490U (en) | 2020-04-29 | 2020-04-29 | Filter element for isolation suit respiratory support equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212067490U (en) |
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2020
- 2020-04-29 CN CN202020691278.9U patent/CN212067490U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220525 Address after: 404100 No. 98, Tianlong Road, Wanzhou District, Chongqing Patentee after: Chongqing Jueshu Technology Co.,Ltd. Address before: No.98, Tianlong Road, Wanzhou District, Chongqing 404130 Patentee before: Chongqing Wanzhou Three Gorges surgical hospital Co.,Ltd. |