CN217797949U - Ventilation cabinet with linkage valve adjusting system - Google Patents

Abstract

The utility model belongs to the technical field of the fume chamber, and a take linkage valve governing system's fume chamber is disclosed, the intelligent cabinet temperature adjusting device comprises a cabinet body, the opening has been seted up to the lateral wall of the cabinet body, and the top of the cabinet body runs through there is the ventilation pipe, the ventilation pipe extends to the one end of the internal portion of cabinet and installs the cover that induced drafts, and the bottom of ventilation pipe is connected with the valve near the top of the cover that induced drafts, the cabinet body is close to open-ended one side both ends and all installs the backup pad, two the spout has all been seted up to the inboard of backup pad, and is close to open-ended one side between two backup pads and installs glass baffle, the utility model discloses a cooperation of backup pad, adjust knob, spout and traveller can make steady reciprocating of glass baffle, and can carry out spacing fixed to glass baffle at any time, need not the people hand and stop, has improved the result of use, and can reduce the collision impact of glass baffle and mesa greatly through the silica gel strip to prevented that glass baffle from taking place to damage, improved the security.

Description

Ventilation cabinet with linkage valve adjusting system

Technical Field

The utility model belongs to the technical field of the fume chamber, concretely relates to take linkage valve governing system's fume chamber.

Background

Fume hoods are an integral part of laboratory ventilation design, and in order to keep laboratory workers from inhaling or ingesting toxic, pathogenic or non-toxic chemicals and organisms, and to provide good ventilation in the laboratory, to prevent the absorption of vapors, gases and particulates (smoke, soot, dust and aerosols), the contaminating substances must be removed by fume hoods, hoods or local ventilation.

In chinese patent with patent No. CN201920877942.6, a fume hood with linkage valve adjusting system is disclosed, the device is through addding collecting wind cavity, structures such as guide plate and air supply pipe, can fully discharge the poison gas in the cabinet body, the effectual poison gas residue of having avoided, the security has improved greatly, but the device still has more defect when in actual use, for example, it is difficult to effectually carry out spacing fixed to the lifting window, the lifting window slides and needs the staff to stop after opening, thereby influence the operation, and be difficult to guarantee the compactness when the lifting window is closed, in case leave the gap, lead to chemical gas leakage easily, influence the security.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take linked valve governing system's fume chamber to it is effectual to carry out spacing fixed to the vertical sliding window to solve to put forward among the above-mentioned background art, and the inseparable problem of vertical sliding window closed portion.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a take linkage valve governing system's fume chamber, includes the cabinet body, the opening has been seted up to the lateral wall of the cabinet body, and the top of the cabinet body runs through there is the ventilation pipe, the ventilation pipe extends to the one end of the internal portion of cabinet and installs the cover that induced drafts, and the bottom of ventilation pipe is close to the top of the cover that induced drafts and is connected with the valve, the cabinet body is close to open-ended one side both ends and all installs the backup pad, two the spout has all been seted up to the inboard of backup pad, and is close to open-ended one side between two backup pads and installs the glass baffle, the bottom of glass baffle is fixed with the silica gel strip, and the bottom both sides of glass baffle all install the traveller, the traveller extends to the inside one end of backup pad and spout sliding connection, and closes between traveller and the backup pad soon and be connected with adjust knob.

Preferably, the lateral wall of the cabinet body is close to the open-ended top and has seted up the recess, the inside one end of recess is rotated through the bearing and is connected with the dead lever, the limiting plate is installed on the top of dead lever, the one end bottom that the dead lever was kept away from to the limiting plate is fixed with the spring, the bottom of spring is connected with the briquetting.

Preferably, the cabinet body is kept away from open-ended one side and is installed the air-blower, the air outlet of air-blower is connected with the connecting pipe, the connecting pipe extends to the one end of the internal portion of cabinet and installs the air supplement pipe.

Preferably, the bottom end of the cabinet body is provided with a damping base plate, and the bottom of the damping base plate is provided with an anti-skid groove.

Preferably, the bottom of briquetting is installed the rubber pad, and the bottom of rubber pad is provided with anti-skidding burr.

Preferably, the air supplementing pipe is U-shaped, and the side wall of the air supplementing pipe is provided with a vent hole.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The utility model discloses a cooperation of backup pad, adjust knob, spout and traveller can make steady reciprocating of glass baffle, and can carry out spacing fixed to the glass baffle at any time, need not the people hand and stop, has improved the result of use greatly, and can reduce the collision impact of glass baffle and mesa greatly through the silica gel strip to prevent that the glass baffle from taking place to damage, improved the security.

(2) The utility model discloses a cooperation of limiting plate, briquetting, recess and spring can make the briquetting compress tightly the glass baffle downwards to the silica gel strip that makes glass baffle bottom supports tightly on the mesa, and then has improved the compactness when closed greatly, has reduced the space gap, has prevented that chemical gas from leaking, has improved the security greatly.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

in the figure: 1. a vent pipe; 2. a cabinet body; 3. a support plate; 4. a chute; 5. adjusting a knob; 6. a silica gel strip; 7. air supplementing pipes; 8. a glass baffle; 9. an opening; 10. a traveler; 11. an air suction hood; 12. a connecting pipe; 13. a blower; 14. a groove; 15. a spring; 16. pressing into blocks; 17. a fixing rod; 18. a limiting plate; 19. and (4) a valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a take coordinated valve governing system's fume chamber, the intelligent cabinet temperature adjusting device comprises a cabinet body 2, opening 9 has been seted up to the lateral wall of the cabinet body 2, and the top of the cabinet body 2 runs through ventilation pipe 1, ventilation pipe 1 extends to the one end of the internal portion of cabinet 2 and installs cover 11 that induced drafts, and the top that the bottom of ventilation pipe 1 is close to cover 11 that induced drafts is connected with valve 19, backup pad 3 is all installed at one side both ends that the cabinet body 2 is close to opening 9, spout 4 has all been seted up to the inboard of two backup pad 3, and be close to one side of opening 9 between two backup pad 3 and install glass baffle 8, the bottom of glass baffle 8 is fixed with silica gel strip 6, and traveller 10 is all installed to the bottom both sides of glass baffle 8, traveller 10 extends to the inside one end of backup pad 3 and spout 4 sliding connection, and close soon between traveller 10 and the backup pad 3 and be connected with adjust knob 5.

When the air suction hood is used, negative pressure can be generated at the ventilating pipe 1 by external ventilating equipment, then toxic and harmful substances generated in the cabinet body 2 are sucked away through the air suction hood 11, and meanwhile, the air quantity can be adjusted through the valve 19, so that toxic gas can be effectively exhausted, and the safety of workers is ensured;

in addition, the glass baffle plate 8 can be pushed to move by additionally arranging the supporting plate 3 and loosening the adjusting knob 5 on the supporting plate 3, so that the glass baffle plate 8 drives the sliding column 10 to slide in the sliding groove 4, the glass baffle plate 8 can stably move up and down, the adjusting knob 5 is screwed down again, the glass baffle plate 8 can be fixed, the glass baffle plate 8 can be limited and fixed at any time, no hand is required to stop, and the using effect is greatly improved;

and through addding silica gel strip 6, can reduce the collision impact of glass baffle 8 and mesa greatly when glass baffle 8 descends and closed opening 9 to prevent that glass baffle 8 from taking place to damage, improved the security.

Further, the lateral wall of the cabinet body 2 is close to the top of the opening 9 and is provided with a groove 14, one end of the inside of the groove 14 is rotatably connected with a fixing rod 17 through a bearing, a limiting plate 18 is installed on the top end of the fixing rod 17, a spring 15 is fixed at the bottom of the end, away from the fixing rod 17, of the limiting plate 18, and a pressing block 16 is connected to the bottom end of the spring 15.

Specifically, after the opening 9 is closed by the glass baffle 8, the limiting plate 18 can be rotated, so that the limiting plate 18 drives the pressing block 16 to move out of the groove 14, and then under the elastic action of the spring 15, the pressing block 16 can be pressed against the glass baffle 8 downwards, so that the silica gel strip 6 at the bottom end of the glass baffle 8 is tightly abutted against the table top, the tightness during closing is greatly improved, the space gap is reduced, the chemical gas leakage is prevented, and the safety is improved.

Further, an air blower 13 is installed on one side of the cabinet 2 far away from the opening 9, an air outlet of the air blower 13 is connected with a connecting pipe 12, and an air supplementing pipe 7 is installed at one end of the connecting pipe 12 extending to the inside of the cabinet 2.

Specifically, can send into the air in the benefit tuber pipe 7 through air-blower 13, then discharge the air through benefit tuber pipe 7 again, can effectively increase the wind speed of the inside corner department of the cabinet body 2 to be favorable to fully discharging the poison gas.

Further, the damping backing plate is installed to the bottom of the cabinet body 2, and the bottom of damping backing plate has seted up anti-skidding groove.

Specifically, the shock absorption backing plate has the effect of shock absorption.

Further, a rubber pad is mounted at the bottom of the pressing block 16, and an anti-skid convex pattern is arranged at the bottom of the rubber pad.

Specifically, the rubber pad has the antiskid effect.

Furthermore, the air supply pipe 7 is U-shaped, and the side wall of the air supply pipe 7 is provided with a vent hole.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a take linked valve governing system's fume chamber which characterized in that: including the cabinet body (2), opening (9) have been seted up to the lateral wall of the cabinet body (2), and the top of the cabinet body (2) runs through ventilation pipe (1), ventilation pipe (1) extend to the one end of the internal portion of the cabinet body (2) and install cover (11) that induced drafts, and the bottom of ventilation pipe (1) is close to the top of cover (11) that induced drafts and is connected with valve (19), backup pad (3), two are all installed at one side both ends that the cabinet body (2) is close to opening (9) spout (4) have all been seted up to the inboard of backup pad (3), and are close to one side of opening (9) between two backup pads (3) and install glass baffle (8), the bottom of glass baffle (8) is fixed with silica gel strip (6), and sliding column (10) are all installed to the bottom both sides of glass baffle (8), sliding column (10) extend to backup pad (3) inside one end and spout (4) sliding connection, and close soon between sliding column (10) and backup pad (3) and be connected with adjust knob (5).

2. A fumehood with a linked valve adjustment system according to claim 1, wherein: the utility model discloses a cabinet, including the cabinet body, the top that the lateral wall of the cabinet body (2) is close to opening (9) is seted up recess (14), the inside one end of recess (14) is rotated through the bearing and is connected with dead lever (17), limiting plate (18) are installed on the top of dead lever (17), the one end bottom that dead lever (17) were kept away from in limiting plate (18) is fixed with spring (15), the bottom of spring (15) is connected with briquetting (16).

3. A fume hood with linkage valve adjustment system according to claim 2, wherein: air-blower (13) is installed to one side that opening (9) were kept away from to the cabinet body (2), the air outlet of air-blower (13) is connected with connecting pipe (12), air supplement pipe (7) are installed to the one end that connecting pipe (12) extend to the cabinet body (2) inside.

4. A fumehood with a linked valve adjustment system according to claim 3, wherein: the bottom of the cabinet body (2) is provided with a damping backing plate, and the bottom of the damping backing plate is provided with an anti-skid groove.

5. A fume hood with linkage valve adjustment system according to claim 4, characterized in that: the bottom of the pressing block (16) is provided with a rubber pad, and the bottom of the rubber pad is provided with anti-skid convex lines.

6. A fume hood with a linkage valve adjustment system according to claim 5, wherein: the air supply pipe (7) is U-shaped, and the side wall of the air supply pipe (7) is provided with a vent hole.

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