Floor ventilation cabinet

Abstract

The utility model discloses a floor fume cupboard, which relates to the technical field of fume cupboards and comprises a cupboard body, and a blocking mechanism is arranged on the upper portion of one side of the cupboard body. The blocking mechanism comprises sliding rails, a lifting frame, a rotating frame, a plurality of mounting holes, an annular plate, a plurality of electric push rods and a silica gel block, the sliding rails are fixedly installed on the two sides of the inner wall of the cabinet body, the lifting frame is slidably installed on one side of the sliding rails, the rotating frame is rotatably installed on one side of the lifting frame through a rotating shaft, and the mounting holes are formed in one side of the rotating frame and penetrate through the rotating frame; the annular plate is fixedly mounted on the inner wall of the mounting hole; according to the technical scheme, the glass operation door can ascend and descend through the lifting frame, the glass operation door can be rotationally opened through the rotating frame, opening of the glass operation door is more flexible, operation is convenient, the silica gel block is inserted into the annular plate after the rotating frame is closed, and the silica gel block is not prone to falling. The annular plate is pulled through the silica gel block, so that the rotating frame is closed more tightly, and the sealing effect of the glass operation door is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a floor type ventilation cabinet, in particular to a floor type ventilation cabinet. BACKGROUND

[0002] The most important function of the ventilation cabinet is the exhaust function. In the laboratory, various harmful gases, odors, moisture, and flammable, explosive, and corrosive substances are generated during experimental operation. In order to protect the safety of the user and prevent the spread of pollutants in the laboratory, a ventilation cabinet is needed near the pollution source during some experimental operations. Today's ventilation cabinet glass operation door is opened by lifting, and the opening operation is single and inconvenient to operate. UTILITY MODEL CONTENT

[0003] The utility model solves the technical problems that the prior art has the problems of single opening operation of the glass operation door and inconvenient operation.

[0004] Therefore, the utility model provides a floor type ventilation cabinet, which comprises a cabinet body, a blocking mechanism is arranged on one side of the upper part of the cabinet body,

[0005] The blocking mechanism comprises sliding rails, a lifting frame, a rotating frame, a plurality of mounting holes, an annular plate, a plurality of electric push rods, and silica gel blocks. The sliding rails are fixedly installed on the inner walls of the cabinet body. The lifting frame is slidingly installed on one side of the sliding rails. The rotating frame is rotatably installed on one side of the lifting frame through a rotating shaft. A plurality of mounting holes are formed in one side of the rotating frame and penetrate the rotating frame. The annular plate is fixedly installed on the inner wall of the mounting hole. A plurality of electric push rods are fixedly installed on the inner wall of the lifting frame. The silica gel blocks are fixedly installed on the output ends of the electric push rods.

[0006] Optionally, a glass is fixedly installed on the inner wall of the rotating frame. A baffle is fixedly installed on the upper end of the inner wall of the cabinet body. The lifting frame is attached to one side of the baffle.

[0007] Optionally, the silica gel blocks are clamped with the annular plate.

[0008] Optionally, pulley frames are fixedly installed on the inner walls of the cabinet body. One side of the pulley frame extends to the inside of the cabinet body. A first mounting plate is fixedly installed on one side of the upper end of the inner wall of the pulley frame. A first pulley and a second pulley are rotatably installed on one side of the first mounting plate. The second pulley is located below the first pulley. A second mounting plate is arranged below the first mounting plate. A third pulley is rotatably installed on one side of the second mounting plate.

[0009] Optionally, the first pulley outer wall is provided with a connecting rope, the connecting rope is wound on the third pulley and the second pulley outer wall, and one end of the connecting rope extending out of the pulley frame is fixedly installed on the top end of the lifting frame.

[0010] Optionally, the other end of the connecting rope extends out of the pulley frame, and one end of the connecting rope extending out of the pulley frame is fixedly installed on the top end of the lifting frame.

[0011] Optionally, the cabinet top end is fixedly provided with an air outlet extending into the cabinet.

[0012] Optionally, the air outlet extending into the cabinet is fixedly provided with a gas collecting cover at one end.

[0013] Optionally, the gas collecting cover is tapered and the bottom inlet of the gas collecting cover is a rectangular opening.

[0014] Optionally, the cabinet inner wall is fixedly provided with three guide plates on one side, the guide plates are evenly distributed on the cabinet inner wall, the guide plates are fixedly provided with guide plates at the top end, the guide plates are fixedly installed on the top end of the guide plates, and the gas collecting cover is located on the top end of the guide plates.

[0015] From the above technical solutions, the embodiments of the present application have the following advantages:

[0016] The floor standing ventilation cabinet of the present application can make the glass operation door lift through the lifting frame, and can make the glass operation door open through the rotating frame, so that the glass operation door is more flexible and convenient to operate. After the rotating frame is closed, the silica gel block is inserted into the annular plate, the annular plate is pulled by the silica gel block to make the rotating frame more tightly closed, and the sealing effect of the glass operation door is improved.

[0017] It can be understood that the cabinet shell is molded by 1.2mm thick cold-rolled steel plate, the surface of the cabinet is treated by EPOXY RESIN powder electrostatic spraying, which has the advantages of acid and alkali resistance, chemical resistance, moisture resistance, high temperature resistance and wear resistance, and the surface of all the steel plates of the experimental table is treated by EPOXY RESIN powder electrostatic spraying, which is uniform and has a thickness of not less than 50μM(±5%), and has strong corrosion resistance.

[0018] The features and advantages of the present application will be described in detail in the following specific embodiments and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings described below are only some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to the structures shown in these drawings without creative labor.

[0020] Figure 1 The structure schematic diagram of the floor standing ventilation cabinet provided by an embodiment of the present application is shown in the figure.

[0021] Figure 2 The cross-sectional view of the pulley frame on the floor standing ventilation cabinet of the floor standing ventilation cabinet provided by an embodiment of the present application is shown in the figure.

[0022] Figure 3 The floor standing ventilation cabinet provided by an embodiment of the present application is shown in the figure. Figure 2 The enlarged view of A in the figure.

[0023] Figure 4 The cross-sectional view of the cabinet body of the floor standing ventilation cabinet provided by an embodiment of the present application is shown in the figure.

[0024] Figure 5 The installation diagram of the silica gel pad on the lifting frame of the floor standing ventilation cabinet of the floor standing ventilation cabinet provided by an embodiment of the present application is shown in the figure.

[0025] The figure mark explanation: 1-cabinet body; 2-air outlet; 3-gas collection cover; 4-guide plate; 5-flow guide plate; 6-baffle; 7-sliding rail; 8-lifting frame; 9-rotating frame; 10-mounting hole; 11-ring plate; 13-electric push rod; 14-silica gel block; 15-glass; 16-pulley frame; 17-first mounting plate; 18-first pulley; 19-second pulley; 20-second mounting plate; 21-third pulley. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0027] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0028] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, if "and / or" or "and / or" appears throughout the text, it means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0029] One embodiment of a floor ventilation cabinet is described in detail below in combination with the drawings.

[0030] Embodiments

[0031] For the sake of understanding, please refer to Figures 1 to 5 An embodiment of a floor ventilation cabinet provided by the present application comprises a cabinet body 1, and a blocking mechanism is arranged on the upper part of one side of the cabinet body 1. The blocking mechanism comprises a sliding rail 7, a lifting frame 8, a rotating frame 9, a plurality of mounting holes 10, an annular plate 11, a plurality of electric push rods 13 and a silica gel block 14. The sliding rail 7 is fixedly installed on the inner walls of the cabinet body 1. The lifting frame 8 is slidingly installed on one side of the sliding rail 7. The rotating frame 9 is rotatably installed on one side of the lifting frame 8 through a rotating shaft. The plurality of mounting holes 10 are arranged on one side of the rotating frame 9 and penetrate the rotating frame 9. The annular plate 11 is fixedly installed on the inner wall of the mounting hole 10. The lifting frame 8 is fixedly installed with the plurality of electric push rods 13 on the inner wall. The silica gel block 14 is fixedly installed on the output end of the electric push rod 13.

[0032] It should be noted that the glass operation door can be lifted by arranging the lifting frame 8. The glass operation door can be opened by rotating the rotating frame 9, so that the glass operation door is more flexible and convenient to operate. After the rotating frame 9 is closed, the silica gel block 14 is inserted into the annular plate 11, and the annular plate 11 is pulled by the silica gel block 14 to make the rotating frame 9 more tightly closed, thereby increasing the sealing effect of the glass operation door. The electric push rod 13 can drive the silica gel block 14 to move, and the sliding rail 7 can keep the lifting frame stable when sliding.

[0033] In some embodiments, the rotating frame 9 is fixedly installed with a glass 15 on the inner wall. The cabinet body 1 is fixedly installed with a baffle 6 on the upper end of the inner wall. The lifting frame 8 is attached to one side of the baffle 6. The silica gel block 14 is engaged with the annular plate 11.

[0034] It should be noted that the glass 15 is a 6mm thick safety glass.

[0035] In this example, the cabinet body 1 shell is molded with a 1.2mm thick cold-rolled steel plate, and the cabinet surface is treated with EPOXY RESIN powder electrostatic spraying. It is acid and alkali resistant, chemical resistant, moisture resistant, high temperature resistant, and wear resistant. The steel plate surface of all the experimental benches is electrostatically sprayed with epoxy resin, the spraying is uniform, the thickness is not less than 50μM(±5%), and the corrosion resistance is strong.

[0036] In this example, the cabinet body 1 door plate is molded with a 1.0mm thick cold-rolled steel plate, and all cabinet surfaces are treated with powder electrostatic spraying. It is acid and alkali resistant, chemical resistant, moisture resistant, high temperature resistant, and wear resistant; the cabinet door is double-layer soundproof design.

[0037] In some embodiments, the cabinet body 1 inner wall is fixedly installed with a pulley frame 16 on both sides, one side of the pulley frame 16 extends to the inside of the cabinet body 1, a first mounting plate 17 is fixedly installed on one side of the inner wall of the pulley frame 16, a first pulley 18 and a second pulley 19 are rotatably installed on one side of the first mounting plate 17, the second pulley 19 is located below the first pulley 18, a second mounting plate 20 is arranged below the first mounting plate 17, a third pulley 21 is rotatably installed on one side of the second mounting plate 20, a connecting rope is installed on the outer wall of the first pulley 18, the connecting rope is wound around the outer walls of the third pulley 21 and the second pulley 19, one end of the connecting rope passing through the outer walls of the third pulley 21 and the second pulley 19 is fixedly installed on the top end of the second mounting plate 20, and the other end of the connecting rope extends to the outside of the pulley frame 16. One end of the connecting rope extending to the outside of the pulley frame 16 is fixedly installed on the top end of the lifting frame 8.

[0038] It should be noted that the first pulley 18, the second pulley 19 and the third pulley 21 form a pulley block.

[0039] In some embodiments, the cabinet body 1 top end is fixedly installed with an air outlet 2, the air outlet 2 extends to the inside of the cabinet body 1, the air outlet 2 extends to the inside of the cabinet body 1. One end of the air outlet 2 is fixedly installed with a gas collecting hood 3, the gas collecting hood 3 is a tapered neck, and the bottom inlet of the gas collecting hood 3 is a rectangular opening. Three guide plates 5 are fixedly installed on one side of the inner wall of the cabinet body 1, the guide plates 5 are evenly distributed on the inner wall of the cabinet body 1, a guide plate 4 is fixedly installed on the top end of the guide plate 5, and the guide plate 4 is fixedly installed on the top end of the guide plate 4. The gas collecting hood 3 is located on the top end of the guide plate 4.

[0040] It should be noted that the guide plate 5 is made of gray plexiglass, 6mm thick, three-section structure, to prevent turbulence in the cabinet, while ensuring its good control of toxic and harmful substances, effective discharge of different specific gravity gas, to keep the lifting frame 8 up and down movement light, stable, connecting rope with steel cable, each steel cable load capacity of 150kg unbroken, to ensure long-term use of safety; pulley block with multiple pulley block combination design, pulley is nylon material, metal material support.

[0041] Working principle: when using the ventilation frame, the staff pull the lifting frame 8 can drive the lifting frame 8 up and down, lifting frame 8, rotating frame 9 and glass 15 constitute the glass operation door, pull the rotating frame 9 with hand, can make rotating frame 9, rotating open or close, when the rotating frame 9 is closed, the ring plate 11 in the mounting hole 10 is inserted in the outer wall of the silica gel block 14, the electric push rod 13 starts to drive the silica gel block 14 to pull the rotating frame 9 close to one side of the lifting frame 8.

[0042] The above-described and the above examples are only used to illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A fume hood, characterized in that, Including cabinet (1), one side of the cabinet (1) is provided with a blocking mechanism; The blocking mechanism comprises a sliding rail (7), a lifting frame (8), a rotating frame (9), a plurality of mounting holes (10), an annular plate (11), a plurality of electric push rods (13) and silica gel blocks (14), the sliding rail (7) is fixedly installed on the inner wall of the cabinet (1), the lifting frame (8) is slidably installed on one side of the sliding rail (7), the rotating frame (9) is rotatably installed on one side of the lifting frame (8) through a rotating shaft, a plurality of mounting holes (10) are formed on one side of the rotating frame (9), the mounting holes (10) penetrate the rotating frame (9), the annular plate (11) is fixedly installed on the inner wall of the mounting hole (10), a plurality of electric push rods (13) are fixedly installed on the inner wall of the lifting frame (8), and the silica gel blocks (14) are fixedly installed on the output ends of the electric push rods (13).

2. A fume hood according to claim 1, wherein, The inner wall of the rotating frame (9) is fixedly installed with a glass (15), the inner wall of the cabinet (1) is fixedly installed with a baffle (6) at the upper end, and the lifting frame (8) is attached to one side of the baffle (6).

3. A fume hood according to claim 1, wherein, The silica gel block (14) is clamped with the annular plate (11).

4. A fume hood according to claim 1, wherein, The inner wall of the cabinet (1) is fixedly installed with a pulley frame (16) on both sides, one side of the pulley frame (16) extends to the inside of the cabinet (1), a first mounting plate (17) is fixedly installed on one side of the inner wall of the pulley frame (16) at the upper end, a first pulley (18) and a second pulley (19) are rotatably installed on one side of the first mounting plate (17), the second pulley (19) is located below the first pulley (18), a second mounting plate (20) is arranged below the first mounting plate (17), and a third pulley (21) is rotatably installed on one side of the second mounting plate (20).

5. A fume hood according to claim 4, wherein, A connecting rope is installed on the outer wall of the first pulley (18), the connecting rope is wound on the outer walls of the third pulley (21) and the second pulley (19), and one end of the connecting rope penetrating through the outer walls of the third pulley (21) and the second pulley (19) is fixedly installed on the top end of the second mounting plate (20).

6. A floor-standing fume hood according to claim 5, wherein, The other end of the connecting rope extends to the outside of the pulley frame (16), and one end of the connecting rope extending to the outside of the pulley frame (16) is fixedly installed on the top end of the lifting frame (8).

7. A fume hood according to claim 1, wherein, The top end of the cabinet (1) is fixedly installed with an air outlet (2), and the air outlet (2) extends to the inside of the cabinet (1).

8. A floor-standing fume hood according to claim 7, wherein, One end of the air outlet (2) extending to the inside of the cabinet (1) is fixedly installed with a gas collecting cover (3).

9. A floor-standing fume hood according to claim 8, wherein, The gas collecting cover (3) is tapered and has a rectangular opening at the bottom inlet.

10. A fume hood according to claim 8, wherein, Three guide plates (5) are fixedly installed on one side of the inner wall of the cabinet (1), the guide plates (5) are evenly distributed on the inner wall of the cabinet (1), a guide plate (4) is fixedly installed on the top end of the guide plate (5), the guide plate (4) is fixedly installed on the upper end inside the cabinet (1), and the gas collecting cover (3) is located on the top end of the guide plate (4).

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