CN214767690U

CN214767690U - Double-layer lifting type safety protection cabinet window

Info

Publication number: CN214767690U
Application number: CN202121262245.3U
Authority: CN
Inventors: 张耀冰; 钱海骏; 文恩永; 申向辉
Original assignee: Henan Yingtuo Intelligent Technology Co ltd
Current assignee: Henan Yingtuo Intelligent Technology Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-11-19
Anticipated expiration: 2031-06-07

Abstract

The utility model relates to a double-deck lift-draw formula safety protection cabinet window, including installing the transparent window at cabinet body front side, the top of the cabinet body be equipped with the transparent window is connected with the drive chain that the transparent window reciprocated, frame, lower frame and both sides side frame on the transparent window, go up the frame the lower frame and two install the transparent luffer boards that two intervals set up between the side frame, still be formed with on the lower frame and be located the arc recess in the transparent luffer boards outside. This application has the transparent window of the transparent window board of two intervals settings through the adoption, and when a transparent window board was unexpected broken, another transparent window board still can play the effect of keeping apart the protection, avoids experimental area gas excessive, can improve the window security of fume chamber, protection cabinet from this.

Description

Double-layer lifting type safety protection cabinet window

Technical Field

The utility model relates to a fume chamber, protection cabinet technique, especially a double-deck lift-draw formula safety protection cabinet window.

Background

The fume hood and the protection cabinet are indispensable important equipment in a biochemical laboratory, harmful gas generated in an experiment can be discharged, and the life safety of experimenters is ensured; the performance of the fume hood is mainly determined by the speed of air flow (air flow) in the fume hood. For example, as disclosed in chinese patent document No. CN209879024U, "a fume hood window foreign matter detection device and a fume hood", compared with the conventional foreign matter detection device, the device eliminates the original two-side detection blind areas, and controls the lifting of the automatic window and the operation of the fume hood fan through foreign matter detection; however, as disclosed in the above document, the sliding window at the front side of the cabinet body is usually a single-layer structure, and the window of the single-layer structure has poor safety.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double-deck lift-draw formula safety protection cabinet window for solve the poor problem of window security of current fume chamber, protection cabinet.

In order to solve the problem, the utility model provides a double-deck lift-draw formula safety protection cabinet window, including installing the transparent window at cabinet body front side, the top of the cabinet body be equipped with the transparent window is connected with the drive chain that the transparent window reciprocated, frame, lower frame and both sides side frame on the transparent window, go up the frame the lower frame and two install the transparent luffer boards that two intervals set up between the side frame, still be formed with on the lower frame and be located the arc recess in the transparent luffer boards outside.

The utility model provides a double-deck lift-draw formula safety protection cabinet window still has following technical characteristic:

further, still be equipped with on the cabinet body and be close to the case of mending wind of transparent window, the case of mending wind is including mending wind case, preceding case of mending wind, interior case of mending wind is located the inboard of transparent window, preceding case of mending wind is located the outside of transparent window, interior case of mending wind is just through both ends intercommunication interior case of mending wind is formed with between the preceding case of mending wind and is held the groove of dodging of transparent window.

Further, the upside of the cabinet body is equipped with the exhaust duct who communicates with the experimental area, the upside of the cabinet body still is equipped with the benefit wind pipeline of benefit bellows intercommunication.

Furtherly, preceding air supplement box includes preceding riser and back riser, the lower edge of preceding riser is less than the lower edge of back riser, the lower edge of preceding riser with be equipped with the arc board that looses towards the experimental area between the lower edge of back riser, the arc is scattered and is flowed the equipartition and has been equipped with the scattered discharge hole on the board.

Furtherly, interior air supplement box includes preceding riser and back riser, the lower edge of preceding riser is less than the lower edge of back riser, the lower edge of preceding riser with be equipped with the arc board that looses towards the experimental area between the lower edge of back riser, the arc is scattered and is flowed the equipartition and has been equipped with the scattered discharge hole on the board.

Further, the top of the cabinet body is equipped with the exhaust hood that is located the experimental area rear side, the exhaust valve is installed at the top of exhaust hood, the exhaust valve with exhaust duct intercommunication.

Furthermore, an air inlet is formed in the top of the inner air supplementing box, an air supplementing valve is installed on the air inlet, and the air supplementing valve is communicated with the air supplementing pipeline.

The utility model discloses following beneficial effect has: through the transparent window that adopts the transparent window board that has two intervals to set up, when a transparent window board is unexpected broken, another transparent window board still can play the effect of keeping apart the protection, avoids experimental area gas excessive, can improve the window security of fume chamber, protection cabinet from this.

Drawings

FIG. 1 is a schematic structural view of a window of a double-layer pull-up safety protection cabinet according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a front view of a window of the double-decker pull-up safety enclosure of FIG. 1;

FIG. 4 is a sectional view taken in the direction of section B-B in FIG. 3;

FIG. 5 is an enlarged view of a portion C of FIG. 4;

FIG. 6 is an enlarged partial view of portion D of FIG. 4;

fig. 7 is a cross-sectional view of a transparent window in an embodiment of the present invention;

FIG. 8 is a schematic structural view of an exhaust hood according to an embodiment of the present invention;

fig. 9 is a schematic structural view of an air supplement box in an embodiment of the present invention;

fig. 10 is a schematic structural view of an air supply box in an embodiment of the present invention;

fig. 11 is an exploded view of the air supply box in the embodiment of the present invention.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the embodiment of the double-layer lifting type safety protection cabinet window of the present invention as shown in fig. 1 to 11, the double-layer lifting type safety protection cabinet window includes a transparent window 30 installed at the front side of the cabinet body 10, the top of the cabinet body 10 is provided with a transmission chain 301 connected with the transparent window 30 to drive the transparent window to move up and down, an upper frame 31, a lower frame 32 and two side frames of the transparent window 30, two transparent window plates 302 arranged at intervals are installed between the upper frame 31, the lower frame 32 and the two side frames, an arc-shaped groove 321 located at the outer side of the transparent window plate 302 is further formed on the lower frame 32, and the arc-shaped groove 321 can facilitate the lifting of the transparent window by means; this application has the transparent window of the transparent window board of two intervals settings through the adoption, and when a transparent window board was unexpected broken, another transparent window board still can play the effect of keeping apart the protection, avoids experimental area gas excessive, can improve the window security of fume chamber, protection cabinet from this.

In an embodiment of the present application, preferably, the cabinet body 10 is further provided with an air supply box 20 close to the transparent window 30, the air supply box 20 includes an inner air supply box 21 and a front air supply box 22, the inner air supply box 21 is located on the inner side of the transparent window 30, the front air supply box 22 is located on the outer side of the transparent window 30, the inner air supply box 21 and the front air supply box 22 are communicated through two ends, and an avoiding groove 23 for accommodating the transparent window 30 is formed between the inner air supply box 21 and the front air supply box 22. Preferably, an exhaust duct 102 communicated with the experimental area 101 is arranged on the upper side of the cabinet body 10, and an air supplementing duct 103 communicated with the air supplementing box 20 is also arranged on the upper side of the cabinet body 10; this application is close to cabinet body front side through the top in the experimental area and sets up by interior tonifying bellows, the tonifying bellows that preceding tonifying bellows constitutes, interior tonifying bellows, be formed with the groove of dodging of the transparent window that holds the experimental area between the preceding tonifying bellows, tonifying bellows in the accessible from this, preceding tonifying bellows is regional to the inside and outside both sides of transparent window respectively, the opening that can effectively prevent the gas in experimental area from passing through transparent window department from this outwards flows, make the gas in experimental area discharge through exhaust duct reliably in order to guarantee experiment operating personnel's safety.

In one embodiment of the present application, preferably, the front and the back in the present application respectively refer to the area of the cabinet body near to the operator and the area far away from the operator; the front air supplement box 22 comprises a front vertical plate 221 and a rear vertical plate 222, the lower edge of the front vertical plate 221 is lower than the lower edge of the rear vertical plate 222, an arc-shaped flow dispersing plate 223 facing the experimental area is arranged between the lower edge of the front vertical plate 221 and the lower edge of the rear vertical plate 222, and the arc-shaped flow dispersing plate 223 is uniformly provided with flow dispersing holes 224, so that air flowing out of the flow dispersing holes flows to a window. Preferably, the inner compensating bellows 21 comprises a front vertical plate 211 and a rear vertical plate 212, the lower edge of the front vertical plate 211 is lower than the lower edge of the rear vertical plate 212, an arc-shaped diffuser 213 facing the experimental area is arranged between the lower edge of the front vertical plate 211 and the lower edge of the rear vertical plate 212, and the arc-shaped diffuser 213 is uniformly provided with diffusing holes 214, so that the gas flowing out of the diffusing holes flows to the rear side of the experimental area.

In one embodiment of the present application, preferably, the top of the cabinet 10 is provided with an exhaust hood 12 located at the rear side of the experimental region 101, and an exhaust valve 13 is installed at the top of the exhaust hood 12, and the exhaust valve 13 is communicated with the exhaust duct 102. Preferably, the top of the inner air supply box 21 is provided with an air inlet, the air inlet is provided with an air supply valve 24, and the air supply valve 24 is communicated with the air supply pipeline 103.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a double-deck lift-draw formula safety protection cabinet window, is including installing the transparent window at cabinet body front side, the top of the cabinet body be equipped with the transparent window is connected in order to drive the drive chain that transparent window reciprocated, a serial communication port, frame, lower frame and both sides side frame on the transparent window, go up the frame the lower frame and two install the transparent luffer boards that two intervals set up between the side frame, still be formed with on the lower frame and be located the arc recess in the transparent luffer boards outside.

2. The double-layer lifting type safety protection cabinet window according to claim 1, characterized in that: still be equipped with on the cabinet body and be close to the mend bellows of transparent window, mend bellows including interior mend bellows, preceding mend bellows, interior mend bellows and be located the inboard of transparent window, preceding mend bellows and be located the outside of transparent window, interior mend bellows preceding mend bellows through both ends intercommunication just interior mend bellows preceding mend between the bellows be formed with and hold dodging the groove of transparent window.

3. The double-layer lifting type safety protection cabinet window according to claim 2, characterized in that: the upside of the cabinet body is equipped with the exhaust duct who communicates with the experimental area, the upside of the cabinet body still is equipped with the air supplementing duct of air supplementing box intercommunication.

4. The double-layer lifting type safety protection cabinet window of claim 3, wherein: preceding benefit bellows includes preceding riser and back riser, the lower edge of preceding riser is less than the lower edge of back riser, the lower edge of preceding riser with be equipped with the arc that moves towards the experimental area between the lower edge of back riser and flow the board, the arc is scattered and is flowed the equipartition and have the scattered discharge hole on the board.

5. The double-layer lifting type safety protection cabinet window of claim 3, wherein: interior air supplement box includes preceding riser and back riser, the lower edge of preceding riser is less than the lower edge of back riser, the lower edge of preceding riser with be equipped with the arc that moves towards the experimental area between the lower edge of back riser and flow the board, the arc is scattered and is flowed the equipartition and have the scattered discharge hole on the board.

6. The double-layer lifting type safety protection cabinet window of claim 3, wherein: the top of the cabinet body is equipped with the exhaust hood that is located the experimental area rear side, the exhaust valve is installed at the top of exhaust hood, the exhaust valve with exhaust duct intercommunication.

7. The double-layer lifting type safety protection cabinet window of claim 3, wherein: the top of interior benefit bellows is equipped with the air intake, install the benefit blast gate on the air intake, the benefit blast gate with the benefit tuber pipe way intercommunication.