CN104001706A - Ventilation cabinet - Google Patents
Ventilation cabinet Download PDFInfo
- Publication number
- CN104001706A CN104001706A CN201410241288.1A CN201410241288A CN104001706A CN 104001706 A CN104001706 A CN 104001706A CN 201410241288 A CN201410241288 A CN 201410241288A CN 104001706 A CN104001706 A CN 104001706A
- Authority
- CN
- China
- Prior art keywords
- vent cabinet
- closed valve
- sliding window
- vertical sliding
- cabinet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
- B08B15/023—Fume cabinets or cupboards, e.g. for laboratories
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- Special Wing (AREA)
Abstract
The invention relates to a ventilation cabinet which comprises a ventilation cabinet body, a vertical sliding window, a closing valve and an automatic rebounding device. The vertical sliding window is arranged on the front of the ventilation cabinet body and can move vertically relative to the ventilation cabinet body. One end of the closing valve is connected with the vertical sliding window through a pulley structure and form linkage with the vertical sliding window. The other end of the closing valve is connected with the automatic rebounding device through the pulley structure. A spring and a fuse are arranged in the rebounding device, two ends of the rebounding device are connected with the closing valve and the pulley structure through the spring, and the fusing temperature of the fuse is 90 DEG C.
Description
Technical field
The invention belongs to laboratory equipment, be specifically related to a kind of vent cabinet for the protection of lab assistant safety.
Background technology
Vent cabinet is a kind of common apparatus in chemical laboratory.It can make experimenter carry out chemical experiment or during with the contaminatives such as volatile reagent obtain solution and dangerous larger experiment, Protection personnel's safety.
The vertical sliding window of vent cabinet of the prior art is generally to adopt safety glass structure, the impact on experimenter when this firm solid safety glass can prevent that vent cabinet from blasting.
In laboratory, the quantity of vent cabinet can often and define rows conventionally; because vent cabinet needs air draft; and exhaust system in laboratory generally only has one; so vent cabinet in a row is all to share an exhaust system; use in this case vent cabinet to have following potential safety hazard: once the situation such as breaking out of fire in any one vent cabinet in laboratory; fire can channel to by shared airduct adjacent vent cabinet, thereby causes other experimenters' of testing safety to be affected.
Summary of the invention
The object of this invention is to provide a kind of vent cabinet, to solve the above-mentioned problems in the prior art.
For reaching above-mentioned purpose, technical solution of the present invention is to provide a kind of vent cabinet, described vent cabinet comprises vent cabinet cabinet, vertical sliding window, closed valve and auto resilient mounting, wherein, described vertical sliding window is arranged at the front of described vent cabinet cabinet, and described vertical sliding window can move up and down with respect to described vent cabinet cabinet; One end of described closed valve is connected described vertical sliding window and is formed interlock with described vertical sliding window by pulley structure; The other end of described closed valve is connected with described auto resilient mounting by pulley structure; Described resilient mounting inside is provided with spring and fusible link, and the two ends of described resilient mounting connect described closed valve and described pulley structure by described spring, and the fusing-off temperature of described fusible link is 90 °.
Preferably, described pulley structure comprises hook, pulley, steel wire rope and balancing weight, described hook is fixedly installed on described vent cabinet cabinet, described pulley is arranged on described hook and with described hook and is slidably connected, and described pulley drives described balancing weight to carry out upper and lower displacement by described steel wire rope.
Preferably, described vent cabinet cabinet adopts double-layer steel plate structure.
Preferably, the back side of described vent cabinet cabinet is provided with transparent acrylic material.
Preferably, the frame of described vertical sliding window is that lightweight is strengthened steel construction.
Preferably, described closed valve is consistent with the aperture ratio of described vertical sliding window.
Preferably, described closed valve is stainless steel.
Preferably, described closed valve is slot push-pull structure, and the closed valve side of described slot push-pull structure is provided with junction button, and described steel wire rope is connected with described closed valve by described junction button.
Beneficial effect of the present invention is: use vent cabinet of the present invention; not only can reduce the cost pressure that uses variable air-valve to bring in prior art; reach cost-effective object, and cut off in time burning things which may cause a fire disaster can effectively guarantee breaking out of fire time, thus Protection personnel's safety.
By the specific embodiment of including accompanying drawing herein in and being used from subsequently explanation some principle of the present invention with accompanying drawing one, the further feature that method and apparatus of the present invention has and advantage will become clear or more specifically be illustrated.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic perspective view of the first embodiment of vent cabinet of the present invention.
Fig. 2 is the overall structure schematic top plan view of the first embodiment of vent cabinet of the present invention.
Fig. 3 is the structural representation of closed valve in the first embodiment of vent cabinet of the present invention.
Main element symbol description:
1 pulley 2 vertical sliding windows
3 balancing weight 4 closed valve
5 junction button 6 auto resilient mountings
7 hook 8 steel wire ropes
9 slots.
Should understand, appended accompanying drawing has not shown the technique of painting of slightly simplifying of the exemplifying various features of basic principle of the present invention pari passu.Specific design feature of the present invention disclosed herein for example comprises that concrete size, direction, position and profile will partly will be applied and the environment of use is determined by concrete.
In these figures, run through several figures of accompanying drawing, Reference numeral is quoted part same or that be equal to of the present invention.
The specific embodiment
The invention provides a kind of vent cabinet, described vent cabinet comprises vent cabinet cabinet, vertical sliding window, closed valve and auto resilient mounting, wherein, described vertical sliding window is arranged at the front of described vent cabinet cabinet, and described vertical sliding window can move up and down with respect to described vent cabinet cabinet; One end of described closed valve is connected described vertical sliding window and is formed interlock with described vertical sliding window by pulley structure; The other end of described closed valve is connected with described auto resilient mounting by pulley structure; Described resilient mounting inside is provided with spring and fusible link, and described resilient mounting connects described closed valve and described pulley structure by described spring, and the fusing-off temperature of described fusible link is 90 °.
Below in conjunction with accompanying drawing 1-3, vent cabinet of the present invention is further described in detail.
Fig. 1 is the overall structure schematic perspective view of the first embodiment of vent cabinet of the present invention.
As shown in Figure 1, described vent cabinet integral body is to adopt double-layer steel plate structure, and in the first embodiment of the present invention, the postnotum of the interior lining panel of described vent cabinet adopts transparent acryl plates.
Because the physical property of acryl plates has determined acryl plates, can not surpass under the environment of 85 ℃ and use in temperature, if temperature is over 85 ℃, acryl plates will variable color, too high in occurrence temperature like this or can remind experimenter while causing danger, therefore the postnotum of the interior lining panel of vent cabinet of the present invention adopts transparent acryl plates.
In the first embodiment of the present invention, the postnotum of the interior lining panel of described vent cabinet all adopts transparent acryl plates.
As selection, the postnotum of the interior lining panel of described vent cabinet also can partly be selected acryl plates, selects the size of acryl plates and size to determine according to actual needs, and the present invention is not as limit.
Vent cabinet of the present invention comprises vertical sliding window 2.
In embodiment of the present invention; the frame of described vertical sliding window 2 adopts the reinforcement steel construction of lightweight; like this when the dangerous situations such as breaking out of fire or blast; the frame that lightweight is strengthened steel construction can support whole implosion guard and described vertical sliding window 2 effectively, thereby reaches the object of Protection personal security.
As selection, the frame of described vertical sliding window 2 also can adopt other can reach the material with the same object of the present invention, and the present invention is not as limit.
As shown in Figure 1, the top board of vent cabinet of the present invention is provided with a closed valve 4, vertical sliding window 2 is connected with balancing weight 3 by steel wire rope 8 and pulley, and balancing weight 3 is connected with closed valve 4 by steel wire rope 8 and pulley, and closed valve 4 is connected with 6 with automatic rebounding by steel wire rope 8.
When vertical sliding window 2 rises, by steel wire rope 8 and pulley driving balancing weight 3, decline, when balancing weight 3 declines by pulling steel wire rope 8 to drive the junction button 5 of closed valve 4, thereby closed valve 4 is moving toward a layback, now the aperture of closed valve 4 will become greatly, has reached the effect simultaneously changing with described vertical sliding window 2.
Fuse in auto resilient mounting 6 can fuse when breaking out of fire, the now meeting of the spring in auto resilient mounting 6 automatic coiling, steel wire rope 8 is involved in to auto resilient mounting 6, now closed valve 4 meetings closure under the pulling of steel wire rope 8, in the time of closed valve 4 closure, by pulley and steel wire rope 8, drive balancing weight 3 to rise, thereby drive vertical sliding window 2 to decline, now reach vertical sliding window 2 and closed valve 4 effect of closure simultaneously.
The aperture of described closed valve 4 is consistent with the aperture ratio of described vertical sliding window 2 under normal circumstances, thereby the safe face wind speed that can effectively realize vent cabinet is 0.5m/s.
In the first embodiment of the present invention, the valve body of described closed valve 4 is 316 stainless steels, because 316 stainless steels not only possess very strong anti-corrosion function, but also there is stronger anti-wear performance, in addition, 316 stainless steels can only the frictional resistance of closed valve 4 little, be convenient to the smoothness when sliding.
Fig. 3 is the structural representation of closed valve in the first embodiment of vent cabinet of the present invention.
As shown in Figure 3, described closed valve 4 is insertion slot type structure, and described closed valve 4 realizes plug-type fixing by slot 9.One end of described closed valve 4 is with junction button 5, and described closed valve 4 is connected with described steel wire rope 8 by junction button 5.
Fig. 2 is the overall structure schematic top plan view of the first embodiment of vent cabinet of the present invention.
As shown in Figures 1 and 2, top at vent cabinet, the two ends of closed valve 4 are connected with described steel wire rope 8 by hook 7, the other end of closed valve 4 left side steel wire ropes 8 is connected with described vertical sliding window 2 by each parts in pulley structure, when the vertical sliding window 2 of described vent cabinet moves up and down, by steel wire rope 8 and pulley driving balancing weight 3, synchronously move up and down, and same the moving up and down by steel wire rope 8 and pulley driving closed valve 4 that move up and down of balancing weight 3, thereby reached the interlock effect of described closed valve 4 and described vertical sliding window 2, and then realized the object of chain of command wind speed.
And connect auto resilient mounting 6 at the other end of closed valve 4 right side steel wire ropes 8, described auto resilient mounting 6 inside are provided with spring and fusible link, described steel wire rope 8 is connected with described auto resilient mounting 6 by described spring, and the fusing-off temperature of described fusible link is 90 ℃.
When breaking out of fire or temperature reach 90 ℃, fusible link in auto resilient mounting 6 will fuse, now auto resilient mounting 6 is opened, spring automatic coiling in resilient mounting 6, the steel wire rope 8 that two ends are connected involves in auto resilient mounting 6, the contraction of steel wire rope 8 drives closed valve 4 automatically closed, on now balancing weight 3 meetings are automatic under the pulling of junction button 5, carry, when carrying on balancing weight 3, by the operation principle of pulley, the vertical sliding window 2 of vent cabinet also can decline automatically, thereby closed vent cabinet, burning things which may cause a fire disaster or elevated-temperature seal in vent cabinet, reach the possibility that cut-out burning things which may cause a fire disaster or high temperature contact with people.
In prior art, variable air rate air-valve uses venturi valve and butterfly valve conventionally, and venturi valve and butterfly valve not only price is high, and need in use the accessory of more supporting automatic control system needs.This is because variable air rate air-valve needs pressure sensor in room and displacement transducer to be reached the object of control variable air rate air-valve to variable air rate air-valve transmission of signal by programmable logic controller (PLC) (PLC) in use, so the setting of PLC program, the wiring of each electronic equipment and some auxiliary material distribution etc., each program or link can increase the use cost of vent cabinet, through calculating, use venturi valve or butterfly valve is very large as the cost of variable air rate air-valve to integral body.
In addition, while using venturi valve or butterfly valve as variable air rate air-valve, the variable air rate response time is considerably beyond the response time of electric transducer.Wherein, response time refers to, when the vertical sliding window of vent cabinet moves up and down, in the situation that vent cabinet face wind speed is certain, the gentle stream of pressure in vent cabinet changes, variable air rate air-valve changes the aperture of air-valve by pressure sensor or displacement transducer, from vertical sliding window, move up and down what start to change to air-valve is exactly the response time thereupon during this period of time.
And vent cabinet of the present invention, not only can reduce the expensive problem that variable air rate air-valve brings, and save the steps such as program setting when using vent cabinet, and due to structural advantage of the present invention, can also omit the fire resisting damper that needs increase in exhaust system.The parts of the cost based on saving, step and vent cabinet, vent cabinet of the present invention still can effectively guarantee experimenter's safety, also guarantees can cut off in time burning things which may cause a fire disaster when breaking out of fire simultaneously.
The foregoing is only preferred embodiment of the present invention, described preferred embodiment just illustrates the present invention and unrestricted.All equalizations of doing according to the claims in the present invention scope change, modify and improve, and all should belong to the covering scope of the claims in the present invention.
Claims (8)
1. a vent cabinet, is characterized in that, described vent cabinet comprises vent cabinet cabinet, vertical sliding window, closed valve and auto resilient mounting, wherein,
Described vertical sliding window is arranged at the front of described vent cabinet cabinet, and described vertical sliding window can move up and down with respect to described vent cabinet cabinet;
One end of described closed valve is connected described vertical sliding window and is formed interlock with described vertical sliding window by pulley structure; The other end of described closed valve is connected with described auto resilient mounting by pulley structure;
Described resilient mounting inside is provided with spring and fusible link, and the two ends of described resilient mounting connect described closed valve and described pulley structure by described spring, and the fusing-off temperature of described fusible link is 90 °.
2. vent cabinet according to claim 1, it is characterized in that, described pulley structure comprises hook, pulley, steel wire rope and balancing weight, described hook is fixedly installed on described vent cabinet cabinet, described pulley is arranged on described hook and with described hook and is slidably connected, and described pulley drives described balancing weight to carry out upper and lower displacement by described steel wire rope.
3. vent cabinet according to claim 2, is characterized in that, described vent cabinet cabinet adopts double-layer steel plate structure.
4. vent cabinet according to claim 3, is characterized in that, the back side of described vent cabinet cabinet is provided with transparent acrylic material.
5. vent cabinet according to claim 4, is characterized in that, the frame of described vertical sliding window is that lightweight is strengthened steel construction.
6. vent cabinet according to claim 5, is characterized in that, described closed valve is consistent with the aperture ratio of described vertical sliding window.
7. vent cabinet according to claim 6, is characterized in that, described closed valve is stainless steel.
8. vent cabinet according to claim 7, is characterized in that, described closed valve is slot push-pull structure, and the closed valve side of described slot push-pull structure is provided with junction button, and described steel wire rope is connected with described closed valve by described junction button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410241288.1A CN104001706B (en) | 2014-05-30 | 2014-05-30 | Vent cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410241288.1A CN104001706B (en) | 2014-05-30 | 2014-05-30 | Vent cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104001706A true CN104001706A (en) | 2014-08-27 |
| CN104001706B CN104001706B (en) | 2016-01-20 |
Family
ID=51362779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410241288.1A Active CN104001706B (en) | 2014-05-30 | 2014-05-30 | Vent cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104001706B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104959359A (en) * | 2015-07-09 | 2015-10-07 | 湖南朗圣实验室技术发展有限公司 | Intelligent ventilation cupboard |
| CN104984971A (en) * | 2015-06-19 | 2015-10-21 | 湖南朗圣实验室技术发展有限公司 | Novel mechanical variable air rate adjusting control system |
| CN110137816A (en) * | 2019-06-06 | 2019-08-16 | 廖计英 | The safe controller switching equipment of high-low pressure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2314409A (en) * | 1996-06-19 | 1997-12-24 | Powder Systems Ltd | Fume cupboard |
| US20100248603A1 (en) * | 2009-03-31 | 2010-09-30 | Decastro Eugene | Retrofit Fume Hood Drive Assembly |
| CN202984252U (en) * | 2012-11-28 | 2013-06-12 | 颜红昌 | Fume hood linked valve adjusting system |
| CN203448368U (en) * | 2013-08-07 | 2014-02-26 | 苏州格力特实验室系统工程有限公司 | Mechanical automatic variable air volume adjusting system |
| CN203917352U (en) * | 2014-05-30 | 2014-11-05 | 刘志翔 | Vent cabinet |
-
2014
- 2014-05-30 CN CN201410241288.1A patent/CN104001706B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2314409A (en) * | 1996-06-19 | 1997-12-24 | Powder Systems Ltd | Fume cupboard |
| US20100248603A1 (en) * | 2009-03-31 | 2010-09-30 | Decastro Eugene | Retrofit Fume Hood Drive Assembly |
| CN202984252U (en) * | 2012-11-28 | 2013-06-12 | 颜红昌 | Fume hood linked valve adjusting system |
| CN203448368U (en) * | 2013-08-07 | 2014-02-26 | 苏州格力特实验室系统工程有限公司 | Mechanical automatic variable air volume adjusting system |
| CN203917352U (en) * | 2014-05-30 | 2014-11-05 | 刘志翔 | Vent cabinet |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104984971A (en) * | 2015-06-19 | 2015-10-21 | 湖南朗圣实验室技术发展有限公司 | Novel mechanical variable air rate adjusting control system |
| CN104959359A (en) * | 2015-07-09 | 2015-10-07 | 湖南朗圣实验室技术发展有限公司 | Intelligent ventilation cupboard |
| CN110137816A (en) * | 2019-06-06 | 2019-08-16 | 廖计英 | The safe controller switching equipment of high-low pressure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104001706B (en) | 2016-01-20 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |