CN206891919U - A kind of glass fabric air permeability detection means - Google Patents
A kind of glass fabric air permeability detection means Download PDFInfo
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- CN206891919U CN206891919U CN201720425208.7U CN201720425208U CN206891919U CN 206891919 U CN206891919 U CN 206891919U CN 201720425208 U CN201720425208 U CN 201720425208U CN 206891919 U CN206891919 U CN 206891919U
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- installed part
- detection means
- glass fabric
- air permeability
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Abstract
A kind of glass fabric air permeability detection means, including body, mounting assembly, air pressure detection components and Flow-rate adjustment part.Body is provided with accommodating cavity, and the bottom of accommodating cavity is provided with liquid outlet；Mounting assembly is located at the top of body, and mounting assembly includes keeper, installed part, fixed support and fastener；Keeper is provided with groove, and the cell wall of groove is provided with through hole；The both ends of installed part are run through, and installed part connects with accommodating cavity；Fixed support is on body, one end of fastener is actively located in fixed support, and the other end is connected to keeper, and fastener can drive keeper to be moved to installed part, and keeper is coordinated with installed part, testing sample is clamped between keeper and installed part；Air pressure detection components are used to detect the air pressure in accommodating cavity；Flow-rate adjustment part is used to control out flow quantity.The apparatus structure is simple, easy to use, and production cost is low, can large-scale promotion, disclosure satisfy that the demand of middle-size and small-size manufacturer.
Description
Technical field
It the utility model is related to a kind of glass fabric air permeability detection means.
Background technology
Air permeability refers under the conditions of defined, and under unit interval and unit draught head, the sample of unit area leads to
The average air flow crossed, unit are represented with micron/(pascal second).For glass fabric, glass fibre wallhanging, glass
For the products such as fiber mat, air permeability is highly important performance indications.Such as glass fibre wallhanging be one kind by glass fibers
Novel pollution-free environmental protection wall cloth made of dimension, it is increasingly becoming the test device of the main flow, at present its air permeability of wall decorative material
It is complicated, cost is high, can not large-scale promotion, it is impossible to meet the needs of middle-size and small-size manufacturer.
Utility model content
Based on this, it is necessary to provide a kind of glass fabric air permeability detection means simple in construction, easy to use.
A kind of glass fabric air permeability detection means, including：
Body, provided with the accommodating cavity for housing liquid, the bottom of the accommodating cavity is provided with liquid outlet；
Mounting assembly, located at the top of the body, and the mounting assembly includes keeper, installed part, fixed support
And fastener；The keeper is provided with groove, and the cell wall of the groove is provided with the through hole being used for atmosphere；The installed part
Both ends run through, the installed part connects with the accommodating cavity；The fixed support is on the body, the fastener
One end be actively located in the fixed support, the other end is connected to the keeper, and the fastener can drive described fixed
Position part moves to the installed part, and the keeper is coordinated with the installed part, and it is described fixed that testing sample is clamped in
Between position part and the installed part；
Air pressure detection components, for detecting the air pressure in the accommodating cavity；
Flow-rate adjustment part, at the liquid outlet, and for controlling out flow quantity.
The operation principle of above-mentioned glass fabric air permeability detection means is as follows：Fastener is adjusted, drives fastener fixed
Position part is moved to installed part, and then testing sample is clamped between the keeper and the installed part.Turn-on flow rate is adjusted
Part, the liquid housed in cavity slowly flow out from liquid outlet so that and the air pressure in accommodating cavity is gradually less than atmospheric pressure, and then
Cause the air pressure of testing sample both sides different, the air of outside passes through from the through hole of keeper and treats test sample in the presence of draught head
Product enter accommodating cavity, now adjust the gas that the flow at Flow-rate adjustment part control liquid outlet to enter accommodating cavity from through hole
Body volume is equal to the liquid volume from liquid outlet outflow, is detected by air pressure detection components, that is, controls the flow at liquid outlet to make
The air pressure in cavity must be housed and keep certain.Under the conditions of this, the liquid outlet quantity of unit interval, unit draught head and unit area are
The air permeability of testing sample.
The glass fabric air permeability detection means, is clamped testing sample by installed part and keeper, and is caused outer
The air on boundary can only enter the groove of keeper by through hole, and then front passes through testing sample, which thereby enhance air permeability inspection
The accuracy of survey.The glass fabric air permeability structure of the detecting device is simple, easy to use, and production cost is low, can push away on a large scale
Extensively, it disclosure satisfy that the demand of middle-size and small-size manufacturer.The glass fabric air permeability detection means exists especially suitable for air permeability
0.01~100 μm/(PaS) between product.
In one of the embodiments, the internal diameter size of the installed part from for one end that the keeper coordinates to
The other end is gradually reduced.
In one of the embodiments, the radial dimension of the groove is from the openend of the groove to the bottom of the groove
Wall is gradually reduced.
In one of the embodiments, the air pressure detection components are U-tube, and one end of the U-tube and the appearance
The pressure communication in cavity is put, the other end connects with atmospheric pressure.
In one of the embodiments, the body includes cover and the cylinder provided with the accommodating cavity, the cylinder
Coordinate with the cover；The cover is provided with connecting hole, and for the mounting assembly on the cover, the installed part passes through institute
Connecting hole is stated to connect with the accommodating cavity.
In one of the embodiments, the body also includes rotation connection component, and the rotation connection component includes turning
Two connecting plates of dynamic connection, described two connecting plates are connected with the side wall of the cylinder and the cover respectively, so that
The cover is connected with the barrel body rotation.
In one of the embodiments, the body also includes snapping connection component, and the component that snaps connection includes card
For one of them in hook and snap ring, the grab and the snap ring on the cylinder, another is described on the cover
Grab and the snap ring coordinate.
In one of the embodiments, the glass fabric air permeability detection means also includes sealing ring, the sealing
Circle is located between the cylinder and the cover.
In one of the embodiments, one end of the fastener is provided with external screw thread, and the fixed support is provided with screwed hole,
The external screw thread coordinates with the screwed hole, so that the fastener is threadedly coupled with the fixed support.
In one of the embodiments, the mounting assembly also includes packing ring, and the packing ring is used to be installed on the installation
Between part and the testing sample.
Brief description of the drawings
Fig. 1 is the structure chart of the glass fabric air permeability detection means of an embodiment；
Fig. 2 is the structure chart of the another state of glass fabric air permeability detection means shown in Fig. 1.
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.Preferred embodiment of the present utility model is given in accompanying drawing.But the utility model can come in fact in many different forms
It is existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to public affairs of the present utility model
Open the understanding more thorough and comprehensive of content.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein "and/or" includes
The arbitrary and all combination of one or more related Listed Items.
Reference picture 1 and Fig. 2, the glass fabric air permeability detection means 10 of the embodiment of the utility model one, including this
Body 100, mounting assembly 200, air pressure detection components 300 and Flow-rate adjustment part 400.
Body 100 is provided with the accommodating cavity 101 for being used for housing liquid.The bottom of accommodating cavity 101 is provided with liquid outlet, and (figure is not
Mark).It is appreciated that the bottom of the accommodating cavity 101 is for opposite crests, it is specifically as follows accommodating cavity 101
Bottom surface, or the side wall close to bottom.
Mounting assembly 200 is located at the top of body 100.And mounting assembly 200 includes keeper 210, installed part 220, consolidated
Fixed rack 230 and fastener 240.
Keeper 210 is provided with groove (figure is not marked), and the cell wall of groove, which is provided with, to be used for and the through hole of atmosphere (figure is not marked).
The both ends of installed part 220 are run through, and installed part 220 connects with accommodating cavity 101.
Fixed support 230 is on body 100.One end of fastener 240 is actively located in fixed support 230, the other end
Keeper 210 is connected to, fastener 240 can drive keeper 210 to be moved to installed part 220, and make keeper 210 and installation
Part 220 coordinates, and testing sample is clamped between keeper 210 and installed part 220.Specifically in the present embodiment, through hole
Quantity is two.Specifically, the other end of fastener 240 is connected to the outer surface of the further groove of keeper 210.
Air pressure detection components 300 are used to detect the air pressure in accommodating cavity 101.
Flow-rate adjustment part 400, at liquid outlet, for controlling out flow quantity.
The operation principle of above-mentioned glass fabric air permeability detection means 10 is as follows：Fastener 240 is adjusted, makes fastener
240 drive keepers 210 are moved to installed part 220, and then testing sample is clamped between keeper 210 and installed part 220.
Turn-on flow rate regulating part 400, the liquid housed in cavity 101 slowly flow out from liquid outlet so that the air pressure in accommodating cavity 101
Gradually be less than atmospheric pressure, and then cause the air pressure of testing sample both sides different, in the presence of draught head the air of outside from
The through hole of keeper 210 enters installed part 220 through testing sample, enters back into accommodating cavity 101, now adjusts Flow-rate adjustment part
Flow at 400 control liquid outlets to enter the gas volume of accommodating cavity 101 equal to the liquid from liquid outlet outflow from through hole
Body volume, detected by air pressure detection components 300, that is, control the flow at liquid outlet that the air pressure in accommodating cavity 101 is protected
Hold certain.Under the conditions of this, the liquid outlet quantity of unit interval, unit draught head and unit area are the air permeability of testing sample.
The glass fabric air permeability detection means 10, is clamped testing sample by installed part 220 and keeper 210,
And cause extraneous air to enter the groove of keeper 210 by through hole, and then front passes through testing sample, thus improves
The accuracy of air permeability detection.The glass fabric air permeability detection means 10 is simple in construction, easy to use, production cost
It is low, can large-scale promotion, disclosure satisfy that the demand of middle-size and small-size manufacturer.The glass fabric air permeability detection means 10 is special
Suitable for air permeability 0.01~100 μm/(PaS) between product.
Specifically, the liquid used in above-mentioned glass fabric air permeability detection means 10 can be water, and water security is nontoxic, and into
This is low.
Specifically, the internal diameter size of installed part 220 gradually subtracts from one end for coordinating with keeper 210 to the other end
It is small, so as to form horn-like structure.Specifically, bottom of the internal diameter size of the groove of keeper 210 from the edge of groove to groove
Wall is gradually reduced, so as to also form horn-like structure.It is firm that this horn-like structure is advantageous to the clamping of testing sample stress.
Specifically, fastener 240 is connected through a screw thread with fixed support 230.More specifically, one end of fastener 240 is set
There is external screw thread, fixed support 230 is provided with screwed hole, and external screw thread coordinates with screwed hole, so that fastener 240 and fixed support 230
Threaded connection.Thus by turn Fastener 240 so that fastener 240 drives keeper 210 to be relatively fixed support 230 to peace
Piece installing 220 is moved.
Further, mounting assembly 200 also includes packing ring 250, and packing ring 250 is used to be installed on installed part 210 and treats test sample
Between product.Specifically, when testing sample is installed, first it is positioned on packing ring 250, then is clamped by keeper 210, be i.e. testing sample
Between packing ring 250 and keeper 210.Specifically, packing ring 250 is rubber ring.More specifically, the width of packing ring 250 is more than
The wall thickness of installed part 220 and the wall thickness of keeper 210, so add the contact area of testing sample and packing ring 250, are advantageous to
The fixation of testing sample.
Specifically, Flow-rate adjustment part 400 is control valve.Specifically, glass fabric air permeability detection means 10 is also wrapped
Liquid pipe 500 is included, drain pipe 500 connects with liquid outlet, and Flow-rate adjustment part 400 is on drain pipe 500.
In one of the embodiments, air pressure detection components 300 are U-tube, and one end of U-tube and accommodating cavity 101
Pressure communication, the other end connects with atmospheric pressure.In use, liquid will be added in U-tube.It is appreciated that in U-tube
Liquid is different from the liquid effects in accommodating cavity 101, therefore two kinds of liquid can be identical, also can be different.Specifically in this implementation
In example, the liquid in U-tube is water.
Specifically, U-tube is provided with scale, and the difference in height of U-tube both sides so can be read, and then readily obtains U-shaped
The pressure differential of pipe both sides.
In one of the embodiments, body 100 includes cylinder 110 and cover 120, and cylinder 110 is provided with accommodating cavity
101.Cylinder 110 and cover 120 cooperatively form relative closure space.Cover 120 is provided with connecting hole (figure is not marked), mounting assembly
200 on cover 120 and installed part 220 is connected by connecting hole with accommodating cavity 101.Cover 120 is so opened, from cylinder
110 top is easily injected liquid into accommodating cavity 101.
Specifically, the both ends of fixed support 230 are fixed on cover 120, and the middle part of fixed support 230 raises up, spiral shell
Pit is located at the high spot.
Further, body 100 also includes rotation connection component 130.Being rotatablely connected component 130 includes the two of rotation connection
Individual connecting plate (figure is not marked), two connecting plates are connected with the side wall and cover 120 of cylinder 110 respectively so that cover 120 with
Cylinder 110 is rotatablely connected.Further, component 130 is rotatablely connected located at the outer surface of cylinder 110 and cover 120.
Further, body 100 also includes snapping connection component 140.Snapping connection component 140 includes grab 141 and card
One of them in ring 142, grab 141 and snap ring 142 is on cylinder 110, and another is on cover 120, grab 141 and card
Ring 142 coordinates.So it is further ensured that the opposing seal of accommodating cavity.
Further, in the present embodiment, grab 141 is located at the edge of cover 120, and snap ring 142 is located at cylinder 110
Lateral wall.Further, snapping connection component 140 also includes snap ring mounting seat 143, and snap ring mounting seat 143 is located at cylinder 110
Lateral wall, and snap ring 142 is rotatably installed on snap ring mounting seat 143.Such Portable hook 141 and snap ring 142 are smoothly matched somebody with somebody
Close.
Further, glass fabric air permeability detection means 10 also includes sealing ring (not shown), and sealing ring is located at cylinder
Between body 110 and cover 120.So be advantageous to the space that accommodating cavity 101 forms opposing seal, be advantageous to accommodating cavity 101
Middle formation negative pressure.Specifically, sealing ring is rubber ring.
It is the specific test step of the glass fabric air permeability detection means 10 of the preferred embodiment of the utility model one below
Suddenly：
(1) cover 120 is opened, a certain amount of water is injected to cylinder 110, cover 120 is then covered, by grab 141 and card
Ring 142, which coordinates, to be fixed；
(2) flushed with the zero graduation line on graduated scale toward adding water to the horizontal plane of U-tube both sides in U-tube；
(3) fastener 240 is adjusted, testing sample is placed on the packing ring 250 on installed part 220, then adjusts fastener
240, keeper 210 is down pressed to installed part 220 and move, until keeper 210 compresses testing sample with installed part 220；
(4) the liquid valve door 400 on drain pipe 500 is opened, opens test.Liquid speed degree is adjusted out to the water of U-tube both sides
Potential difference remains 100 millimeters；
(5) take clean graduated cylinder to be sentenced in drain pipe 500 and collect water out, while open stopwatch, when measuring 60s in graduated cylinder
The water of accumulation, in the unit of account time under unit draught head, the water by unit area is the ventilative of the testing sample
Degree.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
- A kind of 1. glass fabric air permeability detection means, it is characterised in that including：Body, provided with the accommodating cavity for housing liquid, the bottom of the accommodating cavity is provided with liquid outlet；Mounting assembly, located at the top of the body, and the mounting assembly includes keeper, installed part, fixed support and tight Firmware；The keeper is provided with groove, and the cell wall of the groove is provided with the through hole being used for atmosphere；The two of the installed part End is run through, and the installed part connects with the accommodating cavity；The fixed support is on the body, and the one of the fastener End is actively located in the fixed support, and the other end is connected to the keeper, and the fastener can drive the keeper Moved to the installed part, and the keeper is coordinated with the installed part, testing sample is clamped in the keeper Between the installed part；Air pressure detection components, for detecting the air pressure in the accommodating cavity；Flow-rate adjustment part, at the liquid outlet, and for controlling out flow quantity.
- 2. glass fabric air permeability detection means as claimed in claim 1, it is characterised in that the internal diameter chi of the installed part Very little one end to the other end from for coordinating with the keeper is gradually reduced.
- 3. glass fabric air permeability detection means as claimed in claim 1 or 2, it is characterised in that the radial direction of the groove Size is gradually reduced from the openend of the groove to the bottom wall of the groove.
- 4. glass fabric air permeability detection means as claimed in claim 1, it is characterised in that the air pressure detection components are U-tube, and one end of the U-tube connects with the pressure communication in the accommodating cavity, the other end with atmospheric pressure.
- 5. glass fabric air permeability detection means as claimed in claim 1, it is characterised in that the body include cover and Cylinder provided with the accommodating cavity, the cylinder coordinate with the cover；The cover is provided with connecting hole, the mounting assembly On the cover, the installed part is connected by the connecting hole with the accommodating cavity.
- 6. glass fabric air permeability detection means as claimed in claim 5, it is characterised in that the body also includes rotating Connection component, it is described rotation connection component include rotation connection two connecting plates, described two connecting plates respectively with the cylinder The side wall of body connects with the cover, so that the cover is connected with the barrel body rotation.
- 7. the glass fabric air permeability detection means as described in claim 5 or 6, it is characterised in that the body also includes Component is snapped connection, the component that snaps connection includes grab and snap ring, and one of them in the grab and the snap ring is located at On the cylinder, on the cover, the grab and the snap ring coordinate for another.
- 8. glass fabric air permeability detection means as claimed in claim 5, it is characterised in that the glass fabric is breathed freely Degree detection means also includes sealing ring, and the sealing ring is located between the cylinder and the cover.
- 9. glass fabric air permeability detection means as claimed in claim 1, it is characterised in that one end of the fastener is set There is external screw thread, the fixed support is provided with screwed hole, and the external screw thread coordinates with the screwed hole, so that the fastener and institute State fixed support threaded connection.
- 10. glass fabric air permeability detection means as claimed in claim 1, it is characterised in that the mounting assembly is also wrapped Packing ring is included, the packing ring is used to be installed between the installed part and the testing sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720425208.7U CN206891919U (en) | 2017-04-21 | 2017-04-21 | A kind of glass fabric air permeability detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720425208.7U CN206891919U (en) | 2017-04-21 | 2017-04-21 | A kind of glass fabric air permeability detection means |
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| Publication Number | Publication Date |
|---|---|
| CN206891919U true CN206891919U (en) | 2018-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720425208.7U Active CN206891919U (en) | 2017-04-21 | 2017-04-21 | A kind of glass fabric air permeability detection means |
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| CN (1) | CN206891919U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113008758A (en) * | 2021-02-26 | 2021-06-22 | 河南光远新材料股份有限公司 | Electronic glass fiber cloth air permeability sampling method |
-
2017
- 2017-04-21 CN CN201720425208.7U patent/CN206891919U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113008758A (en) * | 2021-02-26 | 2021-06-22 | 河南光远新材料股份有限公司 | Electronic glass fiber cloth air permeability sampling method |
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Address after: 510000 unit 401, 4th floor, building 3, phase II, standard industrial unit, No.7 helix 4th Road, International Biological Island, Guangzhou Development Zone, Guangzhou City, Guangdong Province Patentee after: Guangdong Zhiguang Biotechnology Co.,Ltd. Address before: 510000 unit 401, 4th floor, building 3, phase II, standard industrial unit, No.7 helix 4th Road, International Biological Island, Guangzhou Development Zone, Guangzhou City, Guangdong Province Patentee before: GUANGDONG ZEEGO BIOTECHNOLOGY Co.,Ltd. |