CN218855139U

CN218855139U - A lower draft formula fume hood for soil grinds

Info

Publication number: CN218855139U
Application number: CN202222806606.7U
Authority: CN
Inventors: 刘贵臣
Original assignee: Guangzhou Tianchen Laboratory Equipment Co ltd
Current assignee: Guangzhou Tianchen Laboratory Equipment Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-04-14
Anticipated expiration: 2032-10-25

Abstract

The utility model discloses a lower ventilation type fume hood for soil grinding, which comprises a hood body, wherein the hood body is of a cavity structure, a window is arranged on the front surface of the hood body, a hood window is movably arranged on the window, a partition board is arranged inside the hood body, and a light source is arranged on the end surface of the partition board facing the inside of the hood body; an operating table is arranged in the cabinet body, a through groove is formed in the operating table in a penetrating mode, a fixing block extends around the edge of the through groove, a flange plate is arranged on the lower end face of the operating table through the fixing block, and a filter plate is arranged on the upper end face of the operating table in a position covering the through groove; the lower end of the cabinet body is provided with a ventilation pipe, one end of the ventilation pipe is assembled on the flange plate, and the other end of the ventilation pipe is connected with an external fan, so that an air path is formed downwards, and residues of ground soil are extracted. The utility model provides a pollution that human factor caused when grinding, can avoid haring the health to the soil dirt collection of production moreover.

Description

A lower draft formula fume hood for soil grinds

Technical Field

The utility model relates to a laboratory paraphernalia technical field especially relates to a lower ventilation formula fume hood for soil grinding.

Background

At present, at soil conventional detection, pollution detection and environmental assessment testing process, need grind the monoblock or massing large granule soil and smash, then filter with 60 to 100 mesh sieves, other pretreatment steps carry out again, traditional laboratory's fume hood mainly adopts the ventilation formula to lead to the cupboard to gas, do not be to the fume hood that is used for soil to grind, but soil is because self gravity can down fall, soil dust easily causes cross infection when soil grinds between the similar station simultaneously, consequently need a lower ventilation formula fume hood, adopt manual grinding in the majority of the prior art, but cause the human factor to pollute easily among the manual grinding process, and the soil dust matter that produces also can cause the harm to human health.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving the technical problem that above-mentioned exists to a certain extent, provide a lower draft fume hood for soil grinds, the pollution that human factor caused when having solved the grinding, can avoid haring the health to the soil dirt collection of production moreover.

The utility model provides a technical scheme that its technical problem adopted is: the lower ventilation type fume hood for soil grinding comprises a hood body, wherein the front side of the hood body is provided with a window in a cavity structure, the window is movably provided with a hood window, a partition board is arranged in the hood body in a leaning manner, and a light source is arranged on the end face, facing the interior of the hood body, of the partition board; an operating table is arranged in the cabinet body, a through groove is formed in the operating table in a penetrating mode, a fixing block extends around the edge of the through groove, a flange plate is arranged on the lower end face of the operating table through the fixing block, and a filter plate is arranged on the upper end face of the operating table in a position covering the through groove; the lower end of the cabinet body is provided with a ventilation pipe, one end of the ventilation pipe is assembled on the flange plate, and the other end of the ventilation pipe is connected with an external fan, so that an air path is formed downwards, and residues of ground soil are extracted.

The utility model discloses the internal operating panel of cupboard is equipped with the fixed block around leading to the groove that sets up among the embodiment to install the ring flange that is used for assembling air pipe through the fixed block, thereby make the ventilation pipe just to leading to the groove setting on the operating panel, thereby be connected through ventilation pipe and outside fan and form the wind path downwards simultaneously, can take out the residue of grinding back soil, dirt matter from, the pollution that the human factor caused when having solved the grinding, and can avoid haring the health to the soil dirt matter collection of production moreover.

Preferably, the central position of the flange plate is provided with a mounting groove matched with the outer surface of the ventilation pipe, the outer part of the flange plate is provided with an inserting shaft, and the inserting shaft penetrates through the flange plate and the ventilation pipe and fixes the ventilation pipe on the flange plate.

Preferably, the fixed block penetrates through a fixed groove formed in the flange plate, a nut is connected to the part, protruding out of the flange plate, of the fixed block in a threaded mode, and the flange plate is fixed to the lower end face of the operating platform.

Preferably, the fixed block is welded on the operating platform.

Preferably, the lower end of the cabinet body is provided with a support frame which is abutted against the ventilation pipe.

Compared with the prior art, the beneficial effects are that: the utility model discloses a ring flange that is used for assembling the ventilation pipe is installed to the fixed block to make the ventilation pipe just to the logical groove setting on the operation panel, thereby be connected through ventilation pipe and outside fan and form the wind path downwards simultaneously, can take out the residue of grinding back soil, dirt matter from, the pollution that the human factor caused when having solved the grinding, can avoid haring the health to the soil dirt matter collection of production moreover.

While additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is an isometric view of the lower draft fume hood of the present invention;

fig. 2 is a view of the structure of the lower ventilation hood of the present invention;

fig. 3 is a view of the structure of the lower draft hood of the present invention.

Description of the drawings: 1. a cabinet body; 2. a show window; 3. a partition plate; 4. a light source; 5. an operation table; 6. a through groove; 7. a fixed block; 8. a flange plate; 9. a filter plate; 10. a vent pipe; 11. a support frame; 12. and (4) inserting a shaft.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

In the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the utility model can be understood as a specific case by a person of ordinary skill in the art.

The utility model discloses at the concrete implementation as follows: as shown in fig. 1-3, a lower ventilation type fume hood for soil grinding comprises a hood body 1, wherein the hood body 1 is in a cavity structure, a window is arranged on the front surface of the hood body 1, a hood window 2 is movably arranged on the window, a partition plate 3 is arranged inside the hood body 1, and a light source 4 is arranged on the end surface of the partition plate 3 facing the inside of the hood body 1; an operating table 5 is arranged in the cabinet body 1, a through groove 6 is arranged on the operating table 5 in a penetrating mode, a fixing block 7 extends around the edge of the through groove 6 of the operating table 5, a flange plate 8 is arranged on the lower end face of the operating table 5 through the fixing block 7, and a filter plate 9 is arranged on the position, covering the through groove 6, of the upper end face of the operating table 5; the lower end of the cabinet body 1 is provided with a ventilation pipe 10, one end of the ventilation pipe 10 is assembled on the flange 8, the other end of the ventilation pipe is connected with an external fan, so that an air path is formed downwards and residues of ground soil are extracted, and the lower end of the cabinet body 1 is provided with a support frame 11 which is abutted against the ventilation pipe 10, so that the position stability of the ventilation pipe 10 is further improved.

In this embodiment, 8 central point of ring flange puts the mounting groove that is equipped with and ventilation pipe 10 surface looks adaptation, 8 outsides of ring flange are equipped with and insert axle 12, this insert axle 12 runs through ring flange 8 and ventilation pipe 10, and fix ventilation pipe 10 on ring flange 8, the dismouting of ventilation pipe 10 can be convenient for through the fixed mode of inserting axle 12, guarantee the stability of ventilation pipe 10 position simultaneously, it is further, fixed block 7 welds on operation panel 5, so improve the intensity of fixed block 7 when 8 installations of ring flange, ensure that insert axle 12 has the effort of enough fixed ventilation pipe 10.

In this embodiment, the fixing block 7 penetrates through the fixing groove provided in the flange 8, and a nut is screwed to a portion of the fixing block protruding from the flange 8, so that the flange 8 is fixed to the lower end surface of the console 5. The fixing block 7 plays a role in guiding installation, and meanwhile, the fixing block is locked and fixed through a nut so as to facilitate installation of the flange 8.

The utility model discloses the inside operation panel 5 of cupboard body 1 is equipped with fixed block 7 around leading to groove 6 that sets up among the embodiment, and install the ring flange 8 that is used for assembling ventilation pipe 10 through fixed block 7, thereby make ventilation pipe 10 just to leading to groove 6 setting on the operation panel 5, thereby it forms the wind path downwards to be connected with outside fan through ventilation pipe 10 simultaneously, can take out the residue of soil after grinding, the dirt matter is taken out from, the pollution that the human factor caused when having solved the grinding, and can avoid haring the health to the soil dirt matter collection of production.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. A lower ventilation type fume hood for soil grinding comprises a hood body, wherein the hood body is of a cavity structure, a window is arranged on the front surface of the hood body, and a hood window is movably arranged on the window, and the lower ventilation type fume hood is characterized in that: a partition board is arranged in the cabinet body, and a light source is arranged on the end face of the partition board facing the interior of the cabinet body; an operating table is arranged in the cabinet body, a through groove is formed in the operating table in a penetrating mode, a fixing block extends around the edge of the through groove, a flange plate is arranged on the lower end face of the operating table through the fixing block, and a filter plate is arranged on the upper end face of the operating table in a position covering the through groove; the lower end of the cabinet body is provided with a ventilation pipe, one end of the ventilation pipe is assembled on the flange plate, and the other end of the ventilation pipe is connected with an external fan, so that an air path is formed downwards, and residues of ground soil are extracted.

2. A lower fume hood for soil milling according to claim 1 wherein: the central position of the flange plate is provided with a mounting groove matched with the outer surface of the ventilation pipe, the outside of the flange plate is provided with an inserting shaft, and the inserting shaft penetrates through the flange plate and the ventilation pipe and fixes the ventilation pipe on the flange plate.

3. A lower draft hood for soil grinding according to claim 1 wherein: the fixed block runs through the fixed slot that the ring flange set up, and its position threaded connection that protrudes the ring flange has the nut to fix the ring flange terminal surface under the operation panel.

4. A lower fume hood for soil milling according to claim 1 wherein: the fixed block is welded on the operating platform.

5. A lower fume hood for soil milling according to claim 1 wherein: the lower end of the cabinet body is provided with a supporting frame which is propped against the ventilating pipe.