CN220825295U - Laboratory fume chamber wind-guiding structure - Google Patents
Laboratory fume chamber wind-guiding structure Download PDFInfo
- Publication number
- CN220825295U CN220825295U CN202322249836.2U CN202322249836U CN220825295U CN 220825295 U CN220825295 U CN 220825295U CN 202322249836 U CN202322249836 U CN 202322249836U CN 220825295 U CN220825295 U CN 220825295U
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- Prior art keywords
- air guide
- wind
- fixedly connected
- fume
- fume hood
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- 239000003517 fume Substances 0.000 title claims abstract description 67
- 239000011324 bead Substances 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 9
- 238000007789 sealing Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses an air guide structure of a laboratory fume hood, which relates to the technical field of fume hoods and comprises an air guide assembly and an air inlet adjusting assembly, wherein the top of the air guide assembly is fixedly connected with the fume hood, one side of the fume hood is fixedly connected with the inner side of the air inlet adjusting assembly, the air guide assembly comprises an air guide frame, the top of the air guide frame is fixedly connected with the inner wall of the fume hood, the inner side of the air guide frame is rotatably connected with a rotating shaft, the end part of the rotating shaft is movably connected with an air guide blade, and a connecting rod is movably inserted in the air guide blade. According to the utility model, external wind can enter the ventilation cabinet through the wind inlet adjusting component, after the wind enters, the wind is ventilated to the inside of the ventilation cabinet along the wind guide blades, and when the direction of the wind is required to be adjusted, the adjusting screw is only required to be screwed to rotate by screwing the screwing block, the moving block is moved on the surface of the guide rod by rotating the adjusting screw, and the moving block moves up and down along with the rotating direction of the screwing block.
Description
Technical Field
The utility model relates to the technical field of fume hoods, in particular to an air guide structure of a laboratory fume hood.
Background
The cabinet type exhaust hood is commonly called as a fume hood, and is similar to a closed hood, a small part paint spraying cabinet and a chemical laboratory fume hood are typical structures of cabinet type exhaust hoods, the working ports of the fume hood have great influence on the air flow distribution in the cabinet, the air flow distribution directly influences the working effect of the cabinet type exhaust hood, and the air outlet of the general fume hood is communicated with a ventilation system of a laboratory or is communicated outdoors.
For example, the utility model discloses a laboratory fume chamber wind-guiding structure of publication No. CN217432556U China patent, through adjusting device's use, can control and adjust the wind-force that the wind guide was carried for equipment is more stable, convenient when using, has guaranteed that the expansion of work such as inside spraying is more stable, thereby has improved the result of use of equipment self greatly, has guaranteed the operating quality of equipment self.
However, the above patent has a certain disadvantage that the wind blowing direction cannot be adjusted in the using process; in addition, when the wind power is controlled, the wind power control system is inconvenient, and the wind power control system can control the wind power only after the response of the machine is needed.
Disclosure of utility model
The utility model provides an air guide structure of a laboratory fume hood, which aims to solve the problems in the background technology.
In order to solve the technical problems, the utility model adopts the following technical scheme:
The utility model provides a laboratory fume chamber wind-guiding structure, includes wind guide assembly and air inlet adjustment subassembly, the top fixedly connected with fume chamber of wind guide assembly, one side of fume chamber and the inboard fixed connection of air inlet adjustment subassembly, the wind guide assembly includes the wind guide frame, the top of wind guide frame and the inner wall fixed connection of fume chamber, the inboard swivelling joint of wind guide frame has the pivot, the tip swing joint of pivot has wind guide blade, the inside activity grafting of wind guide blade has the connecting rod, one side fixedly connected with movable block of connecting rod, the air inlet adjustment subassembly includes the mount, the inboard of mount and one side fixed surface of fume chamber are connected, the inboard fixedly connected with shrouding of mount, the table one side of shrouding and the one end fixed connection of fume chamber, the air inlet groove has been seted up to the inside of shrouding, one side and the inside fixed mounting that is located the fume chamber has the filter plate, the inboard of mount and the opposite side fixedly connected with deep bead that is located the shrouding, the movable chamber has been seted up to the inside of deep bead.
The technical scheme of the utility model is further improved as follows: the inside sliding connection of movable block has the guide bar, the inside fixed connection of both ends and fume chamber of guide bar.
The technical scheme of the utility model is further improved as follows: the inside threaded connection of movable block has adjusting screw, adjusting screw's one end surface swing joint has the connecting seat.
The technical scheme of the utility model is further improved as follows: the bottom of connecting seat and fume chamber's top fixed connection, the inside of connecting seat just is located adjusting screw's top swing joint and has the piece of twisting.
The technical scheme of the utility model is further improved as follows: the inside movable chamber movably mounted has the extension spring, the one end swing joint of extension spring has the baffle.
The technical scheme of the utility model is further improved as follows: the surface of the baffle is movably provided with a spring ejector rod, and the end part of the spring ejector rod is movably connected with the inside of the movable cavity.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. The utility model provides an air guide structure of a laboratory fume hood, which enables external wind to enter the fume hood through an air inlet adjusting component, and ventilates the inside of the fume hood along wind guide blades after the wind enters, when the direction of the wind is required to be adjusted, only a screw block is required to be screwed to rotate an adjusting screw rod, the rotating of the adjusting screw rod enables a moving block to move on the surface of a guide rod, the moving block moves up and down along with the rotating direction of the screw block, and a connecting rod is enabled to move along with the moving of the moving block, so that the wind guide blades incline and overturn under the action of a rotating shaft, and the wind is enabled to achieve the effect of wind direction adjustment along the inclined angle of the wind guide blades.
2. The utility model provides an air guide structure of a laboratory fume hood, which is characterized in that a fixing frame is clamped on the fume hood, external air enters the fume hood through an air inlet groove, dust particles in the air are filtered and purified through a filter plate, so that the entering air cannot pollute objects in the fume hood, two baffles are pulled to move in movable cavities of respective wind shields, a tension spring stretches in the movable cavities while the two baffles move, a spring ejector rod at the side face of the pulled baffle is not extruded by the movable cavities any more, the spring ejector rod can be ejected out, and therefore, when the baffle is pulled back by the resilience force of the tension spring, the surface of the spring ejector rod can be clamped with the wind shield, so that the baffle can shield the effect of the air inlet groove, the effect of controlling the air inlet quantity is achieved, and the baffle can be retracted by pressing the spring ejector rod.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the structure of the present utility model;
FIG. 3 is a cross-sectional view of the structure of the air guide assembly of the present utility model;
FIG. 4 is a cross-sectional view of the air intake adjustment assembly of the present utility model;
fig. 5 is an enlarged view of the structure at a of the present utility model.
In the figure: 1. a fume hood; 2. an air guide assembly; 21. an air guide frame; 22. wind guiding blades; 23. a rotating shaft; 24. a connecting rod; 25. a moving block; 26. adjusting a screw; 27. a connecting seat; 28. twisting blocks; 29. a guide rod; 3. an air inlet adjusting component; 31. a fixing frame; 32. a sealing plate; 33. an air inlet groove; 34. a filter plate; 35. a wind deflector; 36. a movable cavity; 37. a baffle; 38. a tension spring; 39. spring ejector rod.
Detailed Description
The utility model is further illustrated by the following examples:
Example 1
As shown in fig. 1-5, the utility model provides an air guide structure of a laboratory fume hood, which comprises an air guide assembly 2 and an air inlet adjusting assembly 3, wherein the top of the air guide assembly 2 is fixedly connected with the fume hood 1, one side of the fume hood 1 is fixedly connected with the inner side of the air inlet adjusting assembly 3, the air guide assembly 2 comprises an air guide frame 21, the top of the air guide frame 21 is fixedly connected with the inner wall of the fume hood 1, the inner side of the air guide frame 21 is rotatably connected with a rotating shaft 23, the end part of the rotating shaft 23 is movably connected with an air guide blade 22, a connecting rod 24 is movably inserted in the air guide blade 22, and one side of the connecting rod 24 is fixedly connected with a moving block 25; the air inlet adjusting assembly 3 comprises a fixing frame 31, the inner side of the fixing frame 31 is fixedly connected with one side surface of the fume chamber 1, a sealing plate 32 is fixedly connected with the inner side of the fixing frame 31, one side of the surface of the sealing plate 32 is fixedly connected with one end of the fume chamber 1, an air inlet groove 33 is formed in the sealing plate 32, a filter plate 34 is fixedly arranged on one side of the sealing plate 32 and positioned in the fume chamber 1, a wind shield 35 is fixedly connected with the inner side of the fixing frame 31 and positioned on the other side of the sealing plate 32, and a movable cavity 36 is formed in the wind shield 35.
In this embodiment, let external wind get into fume chamber 1 through air inlet adjustment subassembly 3 to can adjust the size of intake, and the wind of entering can be along the inside air inlet ventilation of fume chamber 1 of the direction of wind-guiding subassembly 2, then can change the wind ground orientation through adjusting the angle of wind-guiding subassembly 2, let ventilation effect better.
Example 2
As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the inside sliding connection of movable block 25 has guide bar 29, and the inside fixed connection of guide bar 29 both ends and fume chamber 1, the inside threaded connection of movable block 25 has adjusting screw 26, and adjusting screw 26's one end surface swing joint has connecting seat 27, and connecting seat 27's bottom and fume chamber 1's top fixed connection, connecting seat 27's inside just is located adjusting screw 26's top swing joint and has twists piece 28.
In this embodiment, external wind can enter the fume chamber 1 through the air inlet adjusting component 3, after the wind enters, the wind enters the fume chamber 1 along the wind guiding blade 22 to ventilate, when the direction of the wind needs to be adjusted, only the screwing block 28 needs to be screwed to rotate the adjusting screw 26, the rotating block 25 moves on the surface of the guiding rod 29 due to the rotation of the adjusting screw 26, the moving block 25 moves up and down along with the rotating direction of the screwing block 28, the connecting rod 24 moves along with the moving block 25, the wind guiding blade 22 tilts and overturns under the action of the rotating shaft 23, and the wind reaches the effect of wind direction adjustment along the tilting angle of the wind guiding blade 22.
Example 3
As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, a tension spring 38 is movably arranged in the movable cavity 36, one end of the tension spring 38 is movably connected with a baffle 37, a spring ejector rod 39 is movably arranged on the surface of the baffle 37, and the end part of the spring ejector rod 39 is movably connected with the inside of the movable cavity 36.
In this embodiment, by clamping the fixing frame 31 on the fume hood 1, external wind enters the fume hood 1 through the air inlet groove 33 and filters and purifies dust particles in the wind through the filter plate 34, so that the entering wind can not pollute objects in the fume hood 1, by pulling the two baffles 37, the two baffles are moved in the movable cavity 36 of the respective wind shield 35, the spring ejector rod 39 at the side of the pulled baffles 37 is not extruded by the movable cavity 36 any more while being moved, the spring ejector rod 39 can be ejected out, and therefore when the resilience force of the spring 38 pulls back the baffles 37, the surface of the spring ejector rod 39 can be clamped with the wind shield 35, so that the baffle 37 can shield the air inlet groove 33, and the effect of controlling the air inlet quantity is achieved.
The working principle of the air guide structure of the laboratory fume hood is specifically described below.
As shown in fig. 1-5, the fixing frame 31 is clamped on the fume hood 1, external wind enters the fume hood 1 through the air inlet groove 33, dust particles in the wind are filtered and purified through the filter plate 34, so that the entering wind can not pollute objects in the fume hood 1, after entering the wind, the wind can not pollute the objects in the fume hood 1 along the wind guide blades 22, when the direction of the wind is required to be regulated, the adjusting screw 26 is required to be rotated by screwing the screwing block 28, the moving block 25 moves on the surface of the guide rod 29, the moving block 25 moves up and down along with the rotating direction of the screwing block 28, the connecting rod 24 moves along with the moving block 25, the wind guide blades 22 tilt and overturn under the action of the rotating shaft 23, the wind can not pollute the wind direction regulating effect along the tilting angle of the wind guide blades 22, the wind direction regulating effect is achieved by pulling the two baffle plates 37, the two baffle plates 35 move in the movable cavity 36, the side springs 39 of the pulled baffle plates 37 are not pulled by the movable cavity 36, the spring 39 is pushed by the push rod 37, and the spring 39 can be pulled back by the spring 37, and the spring 39 can be pushed back by the spring 37, and the spring 37 can be controlled to realize the effect of the spring 39, and the effect of the spring 37 can be recovered by the spring 37.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (6)
1. The utility model provides a laboratory fume chamber wind-guiding structure, includes wind guide assembly (2) and air inlet adjustment subassembly (3), its characterized in that: the top of the air guide assembly (2) is fixedly connected with a fume chamber (1), and one side of the fume chamber (1) is fixedly connected with the inner side of the air inlet adjusting assembly (3);
The air guide assembly (2) comprises an air guide frame (21), the top of the air guide frame (21) is fixedly connected with the inner wall of the fume chamber (1), a rotating shaft (23) is rotatably connected to the inner side of the air guide frame (21), an air guide blade (22) is movably connected to the end part of the rotating shaft (23), a connecting rod (24) is movably inserted into the air guide blade (22), and a moving block (25) is fixedly connected to one side of the connecting rod (24);
The utility model provides an air inlet adjusting part (3) is including mount (31), the inboard of mount (31) is connected with a side fixed surface of fume chamber (1), the inboard fixedly connected with shrouding (32) of mount (31), the table one side of shrouding (32) is connected with one end fixed surface of fume chamber (1), air inlet groove (33) have been seted up to the inside of shrouding (32), one side of shrouding (32) just is located the inside fixed mounting of fume chamber (1) and has filter plate (34), the inboard of mount (31) just is located the opposite side fixedly connected with deep bead (35) of shrouding (32), movable chamber (36) have been seted up to the inside of deep bead (35).
2. A laboratory fume hood air guide structure according to claim 1, wherein: the inside sliding connection of movable block (25) has guide bar (29), the inside fixed connection of both ends and fume chamber (1) of guide bar (29).
3. A laboratory fume hood air guide structure according to claim 1, wherein: an adjusting screw (26) is connected with the inner thread of the moving block (25), and a connecting seat (27) is movably connected with one end surface of the adjusting screw (26).
4. A laboratory fume hood air guide structure according to claim 3, wherein: the bottom of connecting seat (27) is fixedly connected with the top of fume chamber (1), the inside of connecting seat (27) and be located the top swing joint of adjusting screw (26) have twist piece (28).
5. A laboratory fume hood air guide structure according to claim 1, wherein: a tension spring (38) is movably arranged in the movable cavity (36), and one end of the tension spring (38) is movably connected with a baffle (37).
6. A laboratory fume hood air guide structure according to claim 5, wherein: the surface of the baffle plate (37) is movably provided with a spring ejector rod (39), and the end part of the spring ejector rod (39) is movably connected with the inside of the movable cavity (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322249836.2U CN220825295U (en) | 2023-08-21 | 2023-08-21 | Laboratory fume chamber wind-guiding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322249836.2U CN220825295U (en) | 2023-08-21 | 2023-08-21 | Laboratory fume chamber wind-guiding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220825295U true CN220825295U (en) | 2024-04-23 |
Family
ID=90725679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322249836.2U Active CN220825295U (en) | 2023-08-21 | 2023-08-21 | Laboratory fume chamber wind-guiding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220825295U (en) |
-
2023
- 2023-08-21 CN CN202322249836.2U patent/CN220825295U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |