CN212469175U - Fume chamber convenient to experiment operation carries out - Google Patents

Abstract

The utility model discloses a fume chamber convenient to experiment operation, it includes the operation panel, is provided with the cabinet roof in the top of operation panel, is provided with the vent on the cabinet roof, and the vent is connected with air pipe. The upper edges of the side walls positioned at the left, right and rear parts of the fume hood are connected with the top wall of the hood, and the lower edges of the side walls are connected with the edges of the operating platform corresponding to the right lower part of the top wall of the hood. The side wall of the ventilation cabinet facing the experimenter comprises an upper baffle connected with the top wall of the cabinet and a glass door body capable of moving up and down, at least one operation hole for the arm of the experimenter to extend into is further formed in the glass door body, and an openable cover body is further arranged on the operation hole. The surface at the overhead gage is provided with the relative joint groove that sets up of two openings, and the joint groove sets up along two edges of the left and right sides of the overhead gage of fume chamber respectively. Utilize the utility model discloses a fume chamber can the at utmost reduce with poisonous chemical reagent's contact, and can not hinder the experimenter to carry out the experiment operation.

Description

Fume chamber convenient to experiment operation carries out

Technical Field

The utility model relates to a laboratory ventilation unit, concretely relates to fume chamber convenient to experiment operation.

Background

In the laboratory, some chemical reagents with toxicity are inevitably needed, and although the laboratory personnel can avoid contacting the chemical reagents by wearing gloves, the gas floating in the air is difficult to effectively remove, therefore, a fume hood is usually needed to be arranged in the laboratory, and when the chemical reagents with toxicity are used, the operation is carried out in the fume hood, so that the chemical reagents floating in the air can be timely discharged out of the laboratory or discharged out of the laboratory after being processed by filtering and the like.

The existing fume hood is provided with a glass door body which is convenient for observation on one side facing experimenters, and when the experiment is needed, the glass door body is opened and then the corresponding experiment operation is carried out. During the experiment, for the contact of furthest reduction and chemical reagent, can not open the glass door body totally usually, and just carry out corresponding experimental operation when opening it to half-open state, therefore, often hinder experimenter's normal experiment operation process for experimenter's experimental efficiency reduces.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide a fume chamber convenient to experiment operation, experimenters can completely stretch arms into the fume chamber in the state that the glass door body is closed, and the experiment operation is carried out flexibly.

The utility model discloses a fume chamber convenient to experiment operation includes the operation panel the top of operation panel is provided with the cabinet roof be provided with the vent on the cabinet roof, still including set up in the edge of operation panel and upwards extend and with the lateral wall of cabinet top wall connection, the lateral wall in the face of the experimenter of fume chamber include with the last baffle of cabinet top wall connection and the glass door body that can reciprocate still be provided with at least one operation hole that is used for supplying the experimenter's arm to stretch into on the glass door body operation hole department still is provided with open closed lid. Therefore, when the ventilation cabinet of the utility model is used by an experimenter, the arms are directly extended into the ventilation cabinet from the operation holes without opening the glass door body, so that the experimenter can flexibly perform experimental operation without worrying about excessive contact with toxic chemical reagents.

The glass door body is characterized by further comprising an annular fixed magnet arranged on the outer surface of the glass door body in a surrounding mode around the operation hole, the cover body is made of metal materials, and the diameter of the cover body is larger than the inner diameter of the fixed magnet. Therefore, under normal conditions, the cover body can be adsorbed on the fixed magnet and closes the operation hole, and toxic gas is prevented from escaping when the operation hole is not used.

Furthermore, the glass door further comprises a fixing block connected with the cover body, the fixing block is arranged on the outer surface of the glass door body, a connecting block is arranged on one side of the fixing block, which is far away from the glass door body, a pin hole is formed in the middle of the connecting block in a penetrating mode, the glass door further comprises a pin shaft penetrating through the pin hole, and the cover body is connected with the connecting block through the pin shaft. Therefore, the cover body can rotate relative to the pin shaft to open or close.

Furthermore, the cover body is further provided with two connecting lugs extending to the connecting block, connecting holes are formed in the connecting lugs, and the pin shaft penetrates through the connecting holes.

Furthermore, two ends of the pin shaft are respectively provided with a limiting cap, and the outer diameter of the limiting cap is larger than that of the pin shaft. Therefore, the cover body can be prevented from falling off from the pin shaft.

Further, still including setting up two joint grooves that the surface and the opening of overhead gage set up relatively, the glass door body can along the joint groove removes.

Furthermore, the inner side wall of the clamping groove is also provided with a plurality of groups of clamping blocks which are opposite in pairs and have elasticity, the upper edge and the lower edge of the glass door body are respectively provided with an L-shaped fixed flange, and the thickness of the fixed flange is not more than the distance between the clamping blocks which are opposite in arrangement. Therefore, when the glass door body needs to be opened, the glass door body can be clamped by the clamping block and cannot slide.

Furthermore, a storage cabinet is arranged below the operating platform.

Drawings

Fig. 1 is a schematic perspective view of a preferred embodiment of the present invention;

fig. 2 is a schematic perspective view of a clip groove according to a preferred embodiment of the present invention;

FIG. 3 is a schematic view of the connection between the glass door body and the fixed flange according to a preferred embodiment of the present invention;

fig. 4 is a schematic perspective view of a connection relationship between the cover, the fixed magnet, the fixed block and the connecting block according to a preferred embodiment of the present invention;

fig. 5 is a schematic perspective view of another perspective view of the connection relationship between the cover, the fixed magnet, the fixed block and the connecting block according to a preferred embodiment of the present invention.

In the figure:

1-operation panel, 2-cabinet top wall, 21-air vent, 3-side wall, 41-upper baffle, 42-glass door body, 421-operation hole, 422-fixed flange, 423-lifting handle, 5-cover body, 51-connecting lug, 511-connecting hole, 6-clamping groove, 61-clamping block, 7-fixed magnet, 8-fixed block, 9-connecting block, 91-pin hole, 92-pin shaft, 921-limit cap and 10-storage cabinet.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1, the utility model discloses a fume chamber convenient to experiment operation includes operation panel 1, is provided with cabinet roof 2 in the top of operation panel 1, is provided with vent 21 on cabinet roof 2, and vent 21 is connected with air pipe. The upper edges of the side walls 3 positioned at the left, right and rear of the fume hood are connected with the hood top wall 2, and the lower edges are connected with the edges of the corresponding operation table 1 right below the hood top wall 2. The side wall 3 of the fume hood facing the experimenter comprises an upper baffle plate 41 connected with the top wall 2 of the fume hood and a glass door body 42 capable of moving up and down, at least one operation hole 421 for the arm of the experimenter to extend into is further arranged on the glass door body 42, and an openable cover body 5 is further arranged on the operation hole 421.

Be provided with the relative joint groove 6 that sets up of two openings at the surface of last baffle 41, joint groove 6 sets up along two edges of the left and right sides of last baffle 41 of fume chamber respectively, joint groove 6 sets up along the direction with the horizontal plane vertically, two edges are located a joint inslot 6 respectively about the glass door body 42, glass can reciprocate along joint groove 6, when the lower limb of the glass door body 42 draws to the edge of operation panel 1, the top edge of the glass door body 42 is higher than the lower limb of last baffle 41.

Referring to fig. 2 and fig. 3, a plurality of sets of elastic clamping blocks 61 are arranged on the inner side wall 3 of the clamping groove 6 in a pairwise opposite manner, fixing flanges 422 in an L shape are respectively arranged on the upper edge and the lower edge of the glass door body 42, and the thickness of the fixing flanges 422 does not exceed the distance between the clamping blocks 61 arranged oppositely. Therefore, when the glass door body needs to be opened, the glass door body 42 can be clamped by the clamping block 61 and cannot slide down.

A lifting handle 423 is further provided at a middle portion of a lower edge of the glass door body 42, and the glass door body 42 is moved up and down by grasping the lifting handle 423.

Referring to fig. 4 and 5, the ventilation hood of the present invention further includes an annular fixed magnet 7 surrounding the operation hole 421 and disposed on the outer surface of the glass door 42, the cover 5 of the present invention is made of metal, and the diameter of the cover 5 is greater than the inner diameter of the fixed magnet 7. Therefore, in the natural state, the lid body 5 can close the operation hole 421 by the magnetic attraction force. The utility model discloses a fume chamber is still including being used for the fixed block 8 of being connected with lid 5, and fixed block 8 sets up in the surface of the glass door body 42, is provided with connecting block 9 in one side of keeping away from the glass door body 42 of fixed block 8, runs through at the middle part of connecting block 9 and has seted up pinhole 91, still including the round pin axle 92 that passes pinhole 91, and lid 5 is connected with connecting block 9 through round pin axle 92. Two connecting lugs 51 extending towards the connecting block 9 are further arranged on the cover body 5, connecting holes 511 are formed in the connecting lugs 51, the pin shaft 92 penetrates through the connecting holes 511, and limiting caps 921 are respectively arranged at two ends of the pin shaft 92, so that the connecting lugs 51 cannot fall off from the pin shaft 92 when the cover body 5 rotates relative to the pin shaft 92. The utility model discloses a fixed block 8 and fixed magnet 7 can be adjacent setting, also can be for an organic whole setting, and pinhole 91 is the direction setting with horizontal plane vertically. The utility model discloses the quantity of the handle hole 421 of the fume chamber that lists is two, and sets up in the position of keeping away from each other of two handle holes 421 respectively corresponding to connecting block 9 that two handle holes 421 set up. Therefore, when the experimenter performs the experiment operation, the left and right covers 5 are opened to the left and right sides respectively to perform the experiment, and the operation process of the experimenter is not hindered.

A storage cabinet 10 is also provided below the operation table 1.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims (8)

1. The utility model provides a fume chamber convenient to experiment operation carries out, includes the operation panel the top of operation panel is provided with the cabinet roof be provided with the vent on the cabinet roof, still including set up in the edge of operation panel and upwards extend and with the lateral wall that the cabinet roof wall is connected, the lateral wall of fume chamber in the face of experimenter include with the last baffle that the cabinet roof wall is connected and the glass door body that can reciprocate, its characterized in that still be provided with at least one operation hole that is used for supplying experimenter's arm to stretch into on the glass door body operation hole department still is provided with open closed lid.

2. The fume hood facilitating experimental operation according to claim 1, further comprising an annular fixed magnet disposed on an outer surface of the glass door body around the operation hole, wherein the cover body is made of metal, and a diameter of the cover body is larger than an inner diameter of the fixed magnet.

3. The fume hood convenient for experimental operation according to claim 2, further comprising a fixing block connected with the cover body, wherein the fixing block is arranged on the outer surface of the glass door body, a connecting block is arranged on one side of the fixing block, which is far away from the glass door body, a pin hole is formed in the middle of the connecting block in a penetrating mode, the fume hood further comprises a pin shaft penetrating through the pin hole, and the cover body is connected with the connecting block through the pin shaft.

4. The fume hood facilitating experimental operation as claimed in claim 3, wherein the cover body is further provided with two connecting lugs extending to the connecting block, the connecting lugs are provided with connecting holes, and the pin shaft penetrates through the connecting holes.

5. The ventilated hood convenient for experimental operations according to claim 3, wherein a stop cap is respectively disposed at both ends of the pin shaft, and the outer diameter of the stop cap is larger than that of the pin shaft.

6. The fume hood convenient for experimental operation according to claim 1, further comprising two clamping grooves arranged on the outer surface of the upper baffle plate and provided with opposite openings, wherein the glass door body can move along the clamping grooves.

7. The fume hood convenient for experimental operation according to claim 6 is characterized in that a plurality of sets of elastic clamping blocks which are arranged oppositely in pairs are arranged on the inner side wall of the clamping groove, L-shaped fixing flanges are respectively arranged on the upper edge and the lower edge of the glass door body, and the thickness of each fixing flange is not more than the distance between the clamping blocks which are arranged oppositely.

8. The fume hood facilitating laboratory operations of claim 1, further comprising a cabinet disposed below said console.

Images