CN210894241U - Fabric flame retardant property tester - Google Patents
Fabric flame retardant property tester Download PDFInfo
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- CN210894241U CN210894241U CN201921387841.7U CN201921387841U CN210894241U CN 210894241 U CN210894241 U CN 210894241U CN 201921387841 U CN201921387841 U CN 201921387841U CN 210894241 U CN210894241 U CN 210894241U
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- box body
- air inlet
- box
- valve plate
- flame retardant
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Abstract
The utility model discloses a fabric flame retardant property tester relates to the fabric production field, and its technical scheme main points are: the combustion box comprises a box body and a sealing door arranged on the front end face of the box body, a sample clamp and an igniter are arranged in the box body, the igniter is arranged below the sample clamp, an observation window is arranged on the sealing door, an exhaust port communicated with the interior of the box body is formed in the top of the box body, and an exhaust pipe is connected to the exhaust port and is used for connecting a guide pipe and communicated to an air pump; the box body is also communicated with an air inlet, the air inlet is arranged close to the bottom of the box body, and the air inlet is provided with a one-way conduction assembly for controlling the air inlet to enter air. After the test, the burning waste gas can be pumped away in time, so that the suction of harmful gas by operators is reduced, and the whole use is safer.
Description
Technical Field
The utility model relates to a fabric production field, more specifically say, it relates to a fabric flame retardant property tester.
Background
Flame retardancy refers to the property of a substance or material that, after treatment, has a significant delay in the spread of a flame. In the fire fighting industry, it is often necessary to test fabrics for flame retardant properties, which are usually measured by a flame retardant property tester. The flame retardant property tester can be suitable for measuring the flame retardant properties of clothing fabrics, decorative fabrics, tent fabrics, safety protection nets and the like with flame retardant requirements.
The prior Chinese utility model patent with the patent publication number of CN204359784U discloses a textile material flame-retardant tester, which comprises a combustion box and a control box; the front surface of the combustion box is provided with a control panel and an observation window, and a display window is arranged in the control panel; a sample clamp is arranged in the combustion box, and an igniter is arranged below the sample clamp; a programmable logic controller, a gas sensor and a flame height adjusting knob are arranged in the control box, and the programmable logic controller is connected with a temperature sensor, a control panel, a continuous combustion timer, a gas flow adjusting valve, a gas pressure gauge, a gas pressure adjusting valve, a gas flowmeter and a smoldering timer; and a combustible gas leakage alarm device is arranged on the control panel.
When the flame-retardant tester is adopted, waste gas is formed after a tested object is burnt, part of harmful gas can be mixed in the burning waste gas sometimes, and the gas is easy to suck when an operator opens the burning box and needs to be improved.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model provides a fabric fire behaviour tester, it has in time takes away combustion exhaust, reduces the advantage that operating personnel inhales harmful gas.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a fabric flame retardant property tester comprises a combustion box and a control box, wherein the combustion box comprises a box body and a closed door arranged on the front end face of the box body, a sample clamp and an igniter are arranged in the box body, the igniter is arranged below the sample clamp, an observation window is arranged on the closed door, an exhaust port communicated with the interior of the box body is formed in the top of the box body, an exhaust pipe is connected to the exhaust port, and the exhaust pipe is used for connecting a guide pipe and communicated to an air pump; the box body is further communicated with an air inlet, the air inlet is arranged close to the bottom of the box body, and a one-way conduction assembly used for controlling the air inlet to admit air is arranged on the air inlet.
Through above-mentioned technical scheme, earlier pass through pipe connection to aspiration pump with the blast pipe during the use, during the test, the one-way subassembly that switches on can control the air inlet and be in the encapsulated situation for waste gas can not be followed the air inlet and discharged, and partial gas can be discharged along the pipe through the gas vent. After the test finishes, at first start the aspiration pump, bleed through the aspiration pump and form the negative pressure, the one-way subassembly that switches on this moment can be opened, and external gas can supply in the box to take away original gas in the box, when opening the closed door again, the exhaust gas that original burning formed has been taken away from the gas vent, reduces operating personnel and inhales harmful gas, makes holistic use safer.
Further, the air inlet sets up in the lateral wall of box and is close to the bottom setting of box, the unidirectional flux subassembly is including sealing in the valve plate of air inlet, connecting the valve plate in the elastic connection portion of box inside wall, the upper end setting that elastic connection portion is located the valve plate.
Through above-mentioned technical scheme, elastic connection portion sets up in the top, when the valve plate needs seal the air inlet, the gravity of valve plate itself and elastic connection portion elastic fit make the valve plate conflict with the box on the inside wall go up stifled die to the air inlet.
Furthermore, the inner side wall of the box body is further provided with a limiting plate, the limiting plate is located at the lower end of the valve plate, and the limiting plate is L-shaped and is used for limiting the turning angle of the valve plate.
Through above-mentioned technical scheme, set up the limiting plate, when the blast pipe bleeds, the limiting plate can be used for restricting the rotation angle of valve plate, has avoided the valve plate to take place the upset of wide-angle along elastic connection portion to reduce elastic connection portion's deformation, makeed elastic connection portion not fragile more.
Further, the valve plate is the ferromagnetism material, the box inlays in the inside wall department of contradicting with the valve plate and is equipped with the permanent magnet that is used for adsorbing the valve plate.
Through above-mentioned technical scheme, set up the permanent magnet, the permanent magnet adopts the less kind of magnetic force usually, can further fix the lower extreme of valve plate through the permanent magnet to it is more stable to make the valve plate seal the air inlet.
Furthermore, one side of the valve plate towards the air inlet is provided with a balancing weight, and the balancing weight is located the air inlet and is far away from the elastic connection portion.
Through above-mentioned technical scheme, the balancing weight can be so that the focus of valve plate outwards squints to it is more stable to make the valve plate to the closure of air inlet.
Furthermore, one end of the box body close to the exhaust pipe is hinged with a closing plate for closing the exhaust port, and the closing plate is located at the upper end of the box body and is arranged in the exhaust pipe.
Through above-mentioned technical scheme, set up the closing plate, under the condition that the tester does not use, the closing plate can close the sealing to carrying out the lid in the box, avoids outside dust etc. to get into inside the box.
Furthermore, the upper end of the box body is provided with a threaded pipe, the threaded pipe surrounds the exhaust port, and the exhaust pipe is fixed on the box body through being in threaded connection with the threaded pipe.
Through above-mentioned technical scheme, the blast pipe passes through screwed pipe and box fixed connection, conveniently changes the blast pipe, also can dismantle the blast pipe, and the convenience is cleaned gas outlet position department.
Furthermore, the inside wall of blast pipe is provided with the gag lever post, the gag lever post is used for the restriction the flip angle of closing plate.
Through above-mentioned technical scheme, set up the gag lever post, the gag lever post can carry on spacingly to the upset of closing plate, and when the blast pipe was bled, the flip angle that the gag lever post can control the closing plate was less than 80 degrees to make the closing plate can overturn downwards under the effect of self gravity and close the condition of gas vent to the lid, make holistic use more convenient.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the exhaust pipe is connected with the air pump, so that the combustion waste gas can be pumped away in time after testing, the suction of harmful gas by operators is reduced, and the whole use is safer;
(2) by arranging the limiting plate, the limiting plate can be used for limiting the turnover angle of the valve plate, and the valve plate is prevented from being turned over at a large angle along the elastic connecting part, so that the deformation of the elastic connecting part is reduced, and the elastic connecting part is not easy to damage;
(3) through setting up the closing plate, under the condition that the tester does not use, the closing plate can close the closure to the carrying on in the box, avoids inside external dust etc. gets into the box.
Drawings
FIG. 1 is an overall schematic view of an embodiment;
fig. 2 is an exploded view of the embodiment.
Reference numerals: 1. a control box; 2. a combustion box; 21. a box body; 22. a closing door; 3. an observation window; 4. a sample clamp; 5. an igniter; 6. an exhaust port; 7. an exhaust pipe; 8. a closing plate; 9. a limiting rod; 10. a threaded pipe; 11. an air inlet; 12. a conducting component; 121. a valve plate; 122. an elastic connection portion; 13. a limiting plate; 14. a balancing weight; 15. and a permanent magnet.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Example (b):
a fabric flame retardant property tester is shown in figure 1 and comprises a combustion box 2 and a control box 1, wherein the combustion box 2 comprises a box body 21 and a sealing door 22 arranged on the front end face of the box body 21. The control box 1 is fixedly connected to the outer side wall of the box body 21, the closing door 22 is mainly used for closing the box body 21, and the closing door 22 is provided with a transparent observation window 3. The box body 21 is also provided with a sample clamp 4 and an igniter 5, and the igniter 5 is arranged below the sample clamp 4. During detection, the fabric to be detected is clamped by the sample clamp 4, the closing door 22 is closed, the fabric is ignited by the igniter 5, and then the combustion condition is observed through the observation window 3.
As shown in fig. 1 and 2, an exhaust port 6 communicated with the inside of the box 21 is formed at the top of the box 21, an exhaust pipe 7 is connected to the exhaust port 6, and the exhaust pipe 7 is used for connecting a conduit and is communicated to the air pump. One end of the box body 21 close to the exhaust pipe 7 is hinged with a closing plate 8 for closing the exhaust port 6, and the closing plate 8 is positioned at the upper end of the box body 21 and is arranged in the exhaust pipe 7. The inside wall of blast pipe 7 is through welded fastening gag lever post 9, and gag lever post 9 is located the upper end of closing plate 8 and is used for restricting the rotation angle of closing plate 8. The upper end of the box body 21 is also fixed with a threaded pipe 10, the threaded pipe 10 is of an internal thread structure, the threaded pipe 10 is arranged around the exhaust port 6, and the exhaust pipe 7 is fixed on the box body 21 through being in threaded connection with the threaded pipe 10.
The box body 21 is also communicated with an air inlet 11, the air inlet 11 is close to the bottom of the box body 21, and the air inlet 11 is arranged on the side wall of the box body 21. The air inlet 11 is provided with a one-way conduction assembly 12, and the one-way conduction assembly 12 comprises a valve plate 121 sealed at the air inlet 11 and an elastic connection part 122 connecting the valve plate 121 to the inner side wall of the box body 21. Valve plate 121 is the ferromagnetism material, and elastic connection portion 122 is spring leaf or rubber connecting piece, and elastic connection portion 122 is located the upper end setting of valve plate 121. One-way conduction subassembly 12 makes valve plate 121 contradict and blocks up air inlet 11 on the inside wall of box 21 through the gravity of valve plate 121 itself and elastic connection portion 122 elastic fit, when drawing air in box 21 and forming the negative pressure, valve plate 121 can open under the ambient gas promotes to make air inlet 11 admit air.
The inside wall of the box body 21 is further provided with a limiting plate 13, the limiting plate 13 is located at the lower end of the valve plate 121, the limiting plate 13 is L-shaped, and the limiting plate 13 is bent upwards to set the turnover angle for limiting the valve plate 121. When exhaust pipe 7 bleeds, the part that limiting plate 13 upwards buckled can be used for contradicting valve plate 121 to the upset angle of limiting valve plate 121 has avoided valve plate 121 to take place the upset of wide-angle along elastic connection portion 122, thereby has reduced elastic connection portion 122's deformation, makes elastic connection portion 122 not fragile more.
As shown in fig. 1 and 2, one side of valve plate 121 facing to air inlet 11 is provided with counterweight 14, and counterweight 14 is located air inlet 11 and is far away from elastic connection portion 122 and set up, and counterweight 14 can make the outside skew of centre of gravity of valve plate 121 to make valve plate 121 to the sealing of air inlet 11 more stable. In addition, box 21 inlays with the inside wall department that valve plate 121 contradicts and is equipped with permanent magnet 15, and permanent magnet 15 can adsorb valve plate 121 to make valve plate 121 and 21 inside wall laminating of box more stable.
The working principle of the embodiment is as follows:
when the exhaust pipe 7 is used, the exhaust pipe is connected to the air pump through a guide pipe, and during testing, the one-way conduction assembly 12 can control the air inlet 11 to be in a closed state, so that waste gas cannot be discharged from the air inlet 11, and part of gas can be discharged along the guide pipe after passing through the exhaust port 6. After the test finishes, at first start the aspiration pump, bleed through the aspiration pump and form the negative pressure, one-way conduction subassembly 12 can be opened this moment, and in the external gas can supply box 21 to original gas in the box 21 is taken away, when opening the closed door 22 again, the waste gas that original burning formed has been taken away from gas vent 6, reduces operating personnel and inhales harmful gas, makes holistic use safer.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a fabric fire behaviour tester, includes combustion box (2) and control box (1), combustion box (2) include box (21), set up in closed door (22) of terminal surface before box (21), are equipped with sample clamp (4) and some firearm (5) in box (21), and the below that some firearm (5) are located sample clamp (4) sets up, be provided with observation window (3), its characterized in that on closed door (22): the top of the box body (21) is provided with an exhaust port (6) communicated with the interior of the box body (21), the exhaust port (6) is connected with an exhaust pipe (7), and the exhaust pipe (7) is used for connecting a guide pipe and communicated to an air pump; the air inlet (11) is communicated with the box body (21), the air inlet (11) is arranged close to the bottom of the box body (21), and the air inlet (11) is provided with a one-way conduction assembly (12) for controlling the air inlet (11) to enter.
2. The fabric flame retardant property tester according to claim 1, characterized in that: the air inlet (11) is arranged on the side wall of the box body (21), the one-way conduction assembly (12) comprises a valve plate (121) closed on the air inlet (11) and an elastic connection portion (122) connecting the valve plate (121) to the inner side wall of the box body (21), and the elastic connection portion (122) is arranged at the upper end of the valve plate (121).
3. The fabric flame retardant property tester according to claim 2, characterized in that: the inner side wall of the box body (21) is further provided with a limiting plate (13), the limiting plate (13) is located at the lower end of the valve plate (121), and the limiting plate (13) is L-shaped and is used for limiting the turning angle of the valve plate (121).
4. The fabric flame retardant property tester according to claim 3, characterized in that: the valve plate (121) is made of ferromagnetic materials, and a permanent magnet (15) used for adsorbing the valve plate (121) is embedded in the inner side wall where the box body (21) is abutted to the valve plate (121).
5. The fabric flame retardant property tester according to claim 2, characterized in that: one side of valve plate (121) towards air inlet (11) is provided with balancing weight (14), balancing weight (14) are located air inlet (11) and are kept away from elastic connection portion (122) and set up.
6. The fabric flame retardant property tester according to claim 1, characterized in that: one end of the box body (21) close to the exhaust pipe (7) is hinged with a closing plate (8) used for closing the exhaust port (6), and the closing plate (8) is located at the upper end of the box body (21) and is arranged in the exhaust pipe (7).
7. The fabric flame retardant property tester according to claim 6, characterized in that: the upper end of box (21) is provided with screwed pipe (10), screwed pipe (10) encircle gas vent (6) set up, blast pipe (7) are fixed in on box (21) through with screwed pipe (10) threaded connection.
8. The fabric flame retardant property tester according to claim 7, characterized in that: the inner side wall of the exhaust pipe (7) is provided with a limiting rod (9), and the limiting rod (9) is used for limiting the turning angle of the closing plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921387841.7U CN210894241U (en) | 2019-08-24 | 2019-08-24 | Fabric flame retardant property tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921387841.7U CN210894241U (en) | 2019-08-24 | 2019-08-24 | Fabric flame retardant property tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210894241U true CN210894241U (en) | 2020-06-30 |
Family
ID=71320018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921387841.7U Expired - Fee Related CN210894241U (en) | 2019-08-24 | 2019-08-24 | Fabric flame retardant property tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210894241U (en) |
-
2019
- 2019-08-24 CN CN201921387841.7U patent/CN210894241U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200630 Termination date: 20210824 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |