CN219073853U - Novel laboratory fume chamber - Google Patents
Novel laboratory fume chamber Download PDFInfo
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- CN219073853U CN219073853U CN202222669884.2U CN202222669884U CN219073853U CN 219073853 U CN219073853 U CN 219073853U CN 202222669884 U CN202222669884 U CN 202222669884U CN 219073853 U CN219073853 U CN 219073853U
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- bevel gear
- adjusting plate
- rod
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Abstract
The utility model discloses a novel laboratory fume hood, which comprises a box body and a workbench arranged in the box body, wherein the workbench comprises a plate mechanism, a first adjusting plate and a second adjusting plate, and the first adjusting plate and the second adjusting plate are respectively arranged at two sides of the workbench; the adjusting mechanism is arranged in the box body and is in sliding connection with the plate mechanism; the guide mechanism is arranged in the box body and is in clamping fit with the plate mechanism; and the sealing mechanism is arranged around the plate mechanism. According to the utility model, the plate mechanism is controlled by the adjusting mechanism to control the distance between the first adjusting plate and the second adjusting plate, so that the adjustment of the box body space is realized, and the sealing mechanism is arranged to seal the box body space after the plate mechanism is moved, so that the tightness of the box body is ensured while the space in the box body is changed.
Description
Technical Field
The utility model relates to experimental equipment, in particular to a novel laboratory fume hood.
Background
Fume hood is an integral part of laboratory ventilation design, in order to prevent laboratory staff from inhaling or swallowing some toxic, pathogenic or non-toxic chemicals and organisms, and to provide good ventilation in the laboratory, and in order to prevent the absorption of some vapors, gases and particulates (smoke, soot, dust and aerosols), the contaminants must be removed by means of fume hood, fume hood or local ventilation;
the prior art has the following defects: the fume chamber is fixed structural design, is inconvenient to adjust and use, and is narrow in application range, gaps can be generated between moving parts in the moving process, and the air tightness of the box body is seriously affected.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a novel laboratory fume hood which can ensure the tightness of a box body while changing the space in the box body.
The novel laboratory fume hood comprises a box body and a workbench arranged in the box body, wherein the workbench comprises a plate mechanism, a first adjusting plate and a second adjusting plate, and the first adjusting plate and the second adjusting plate are respectively arranged on two sides of the workbench; the adjusting mechanism is arranged in the box body and is in sliding connection with the plate mechanism; the guide mechanism is arranged in the box body and is in clamping fit with the plate mechanism; and the sealing mechanism is arranged around the plate mechanism.
Preferably, the adjusting mechanism comprises a driving motor, a driving rod, a first bevel gear and a second bevel gear, wherein the driving rod is installed below the workbench, the end part of the driving rod is connected with the driving motor, the first bevel gear is coaxially installed on one side of the driving rod, the second bevel gear is coaxially installed on the other side of the driving rod, and the direction of the second bevel gear is opposite to that of the first bevel gear.
By adopting the mechanism, when the driving motor is started, the driving motor drives the driving rod to rotate, the first bevel gear and the second bevel gear are driven to rotate in the rotating process, and the first adjusting plate and the second adjusting plate can be driven to move along opposite directions by installing the first bevel gear and the second bevel gear on two sides of the driving rod in opposite directions, so that the first adjusting plate and the second adjusting plate can be simultaneously close to or simultaneously leave.
Preferably, the adjusting mechanism further comprises a first driven rod and a second driven rod, the first driven rod is arranged above the first bevel gear, the second driven rod is arranged above the second bevel gear, a third bevel gear is arranged at the lower end of the first driven rod, the third bevel gear is meshed with the first bevel gear, a fourth bevel gear is arranged at the lower end of the second driven rod, and the fourth bevel gear is meshed with the second bevel gear.
By adopting the mechanism, the driving rod rotates, the first bevel gear is meshed with the third bevel gear, the second bevel gear is meshed with the fourth bevel gear, so that the first driven rod and the second driven rod are driven to rotate, and the rotation directions of the first driven rod and the second driven rod are opposite.
Preferably, the adjusting mechanism further comprises a first screw rod and a second screw rod, the first screw rod is arranged above the first driven rod, the second screw rod is arranged above the second driven rod, a fifth bevel gear is arranged at the upper end of the first driven rod, a seventh bevel gear is arranged on the first screw rod, the fifth bevel gear is meshed with the seventh bevel gear, a sixth bevel gear is arranged at the upper end of the second driven rod, and an eighth bevel gear is arranged on the second screw rod, and the sixth bevel gear is meshed with the eighth bevel gear.
By adopting the mechanism, the fifth bevel gear is meshed with the seventh bevel gear, so that the first driven rod drives the first screw rod to rotate, the sixth bevel gear is meshed with the eighth bevel gear, so that the second driven rod drives the second screw rod to rotate, and the rotation directions of the first driven rod and the second driven rod are opposite, so that the rotation directions of the first screw rod and the second screw rod are opposite.
Preferably, the first adjusting plate is provided with a first sliding block, the first sliding block is rotationally connected with the first screw rod, the second adjusting plate is provided with a second sliding block, and the second pulley is rotationally connected with the second screw rod.
By adopting the mechanism, the first adjusting plate is driven to move on the first screw rod through the first sliding block, the second sliding block drives the second adjusting plate to move on the second screw rod, and the first screw rod and the second screw rod are opposite in rotation direction, so that the first adjusting plate and the second adjusting plate can be driven to be close to or separate from each other simultaneously in the rotation process.
Preferably, the guide mechanism comprises a guide groove, the guide groove is arranged on the inner wall of the box body, the first adjusting plate and the second adjusting plate are both provided with buckles, and the buckles are in clamping sliding connection with the guide groove.
By adopting the mechanism, the buckles on the first adjusting plate and the second adjusting plate are matched with the guide grooves in a clamping manner, and the movement can be more stable due to the guiding effect of the guide grooves in the movement process of the first adjusting plate and the second adjusting plate.
Preferably, the sealing mechanism comprises a clamping groove, and clamping grooves are formed in the periphery of the first adjusting plate and the periphery of the second adjusting plate. The sealing mechanism also comprises a sealing air pipe, and the sealing air pipe is arranged in the clamping groove.
By adopting the mechanism, the sealing air pipe is clamped and fixed through the clamping groove, so that the sealing air pipe cannot displace in the moving process, when the first adjusting plate and the second adjusting plate need to move, the air in the sealing air pipe is discharged, the first adjusting plate and the second adjusting plate can move, after the first adjusting plate and the second adjusting plate move in place, the sealing air pipe is inflated, the first adjusting plate and the second adjusting plate can be tightly fixed in a propping manner, and the sealing air pipe is made of rubber and can be more attached to the box body and the workbench, so that the sealing effect is achieved.
The beneficial effects are that: according to the utility model, the plate mechanism is controlled by the adjusting mechanism to control the distance between the first adjusting plate and the second adjusting plate, so that the adjustment of the box body space is realized, and the sealing mechanism is arranged to seal the box body space after the plate mechanism is moved, so that the tightness of the box body is ensured while the space in the box body is changed.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of the interior of the novel laboratory fume hood.
Fig. 2 is an overall schematic diagram of the novel laboratory fume hood.
Fig. 3 is a schematic view of the sealing mechanism.
In the accompanying drawings: 1. a case; 2. a work table; 3. a plate mechanism; 30. a first adjustment plate; 31. a second adjusting plate; 4. an adjusting mechanism; 401. a driving motor; 402. a driving rod; 403. a first helical gear; 404. a second helical gear; 405. a third bevel gear; 406. a fourth helical gear; 407. a first driven lever; 408. a second driven lever; 409. a fifth helical gear; 410. a sixth helical gear; 411. a seventh helical gear; 412. an eighth helical gear; 413. a first screw rod; 414. a second screw rod; 5. a guide mechanism; 6. a sealing mechanism; 60. a clamping groove; 61. sealing the air tube;
Detailed Description
The novel laboratory fume hood comprises a box body 1 and a workbench 2 arranged in the box body 1, wherein the novel laboratory fume hood comprises a plate mechanism 3, a first adjusting plate 30 and a second adjusting plate 31, and the first adjusting plate 30 and the second adjusting plate 31 are respectively arranged on two sides of the workbench 2; the adjusting mechanism 4 is arranged in the box body 1 and is in sliding connection with the plate mechanism 3; the guide mechanism 5 is arranged in the box body 1 and is in clamping fit with the plate mechanism 3; and the sealing mechanism 6 is arranged around the plate mechanism 3. The adjusting mechanism 4 comprises a driving motor 401, a driving rod 402, a first bevel gear 403 and a second bevel gear 404, wherein the driving rod 402 is arranged below the workbench 2, the end part of the driving rod 402 is connected with the driving motor 401, the first bevel gear 403 is coaxially arranged on one side of the driving rod 402, the second bevel gear 404 is coaxially arranged on the other side of the driving rod 402, and the direction of the second bevel gear 404 is opposite to that of the first bevel gear 403. The adjusting mechanism 4 further comprises a first driven rod 407 and a second driven rod 408, the first driven rod 407 is arranged above the first driven rod 403, the second driven rod 408 is arranged above the second driven rod 404, a third bevel gear 405 is arranged at the lower end of the first driven rod 407, the third bevel gear 405 is meshed with the first bevel gear 403, a fourth bevel gear 406 is arranged at the lower end of the second driven rod 408, the fourth bevel gear 406 is meshed with the second bevel gear 404, the adjusting mechanism 4 further comprises a first lead screw 413 and a second lead screw 414, the first lead screw 413 is arranged above the first driven rod 407, the second lead screw 414 is arranged above the second driven rod 408, a fifth bevel gear 409 is arranged at the upper end of the first driven rod 407, a seventh bevel gear 411 is arranged on the first lead screw 413, the fifth bevel gear 409 is meshed with the seventh bevel gear 404, a sixth bevel gear 412 is arranged at the upper end of the second driven rod 408, and a eighth bevel gear 412 is meshed with the eighth bevel gear 410. The first adjusting plate 30 is provided with a first sliding block, the first sliding block is rotationally connected with the first screw rod 413, the second adjusting plate 31 is provided with a second sliding block, and the second sliding block is rotationally connected with the second screw rod 414. The guide mechanism 5 comprises a guide groove, the guide groove is formed in the inner wall of the box body 1, the first adjusting plate 30 and the second adjusting plate 31 are both provided with buckles, and the buckles are in clamping sliding connection with the guide groove. The sealing mechanism 6 comprises a clamping groove 60, and the clamping grooves 60 are formed in the periphery of the first adjusting plate 30 and the periphery of the second adjusting plate 31. The sealing mechanism 6 further comprises a sealing air pipe 61, and the sealing air pipe 61 is arranged in the clamping groove 60.
Working principle: according to the utility model, the plate mechanism 3 is controlled by the adjusting mechanism 4 to control the distance between the first adjusting plate 30 and the second adjusting plate 31, so that the space of the box body 1 is adjusted, and the sealing mechanism 6 is arranged to seal the space of the box body 1 after the plate mechanism 3 is moved, so that the space in the box body 1 is changed, and the tightness of the box body 1 is ensured.
When the driving motor 401 is started, the driving motor 401 drives the driving rod 402 to rotate, and in the rotating process, the first bevel gear 403 and the second bevel gear 404 are driven to rotate, and the first adjusting plate 30 and the second adjusting plate 31 can be driven to move along opposite directions by installing the first bevel gear 403 and the second bevel gear 404 on two sides of the driving rod 402 in opposite directions, so that the first adjusting plate 30 and the second adjusting plate 31 can be simultaneously close to or simultaneously leave. The driving rod 402 rotates, the first bevel gear 403 is meshed with the third bevel gear 405, the second bevel gear 404 is meshed with the fourth bevel gear 406, so that the first driven rod 407 and the second driven rod 408 are driven to rotate, and the rotation directions of the first driven rod 407 and the second driven rod 408 are opposite. The fifth bevel gear 409 is meshed with the seventh bevel gear 411, so that the first driven rod 407 drives the first screw rod 413 to rotate, the sixth bevel gear 410 is meshed with the eighth bevel gear 412, so that the second driven rod 408 drives the second screw rod 414 to rotate, and the rotation directions of the first screw rod 413 and the second screw rod 414 are opposite because the rotation directions of the first driven rod 407 and the second driven rod 408 are opposite. The first slider drives the first adjusting plate 30 to move on the first screw rod 413, the second slider drives the second adjusting plate 31 to move on the second screw rod 414, and the first screw rod 413 and the second screw rod 414 are opposite in rotation direction, so that the first adjusting plate 30 and the second adjusting plate 31 can be driven to be close to or separate from each other simultaneously in the rotation process. The buckles on the first adjusting plate 30 and the second adjusting plate 31 are matched with the guide grooves in a clamping mode, and the movement can be more stable due to the guiding effect of the guide grooves in the moving process of the first adjusting plate 30 and the second adjusting plate 31.
The sealing air pipe 61 is clamped and fixed through the clamping groove 60, so that the sealing air pipe 61 cannot displace in the moving process, when the first adjusting plate 30 and the second adjusting plate 31 need to move, the air in the sealing air pipe 61 is discharged, the first adjusting plate 30 and the second adjusting plate 31 can move, after the first adjusting plate 30 and the second adjusting plate 31 move in place, the sealing air pipe 61 is inflated, the first adjusting plate 30 and the second adjusting plate 31 can be tightly fixed in a propping mode, and the sealing air pipe 61 is made of rubber and can be more adhered to the box body 1 and the workbench 2, so that the sealing effect is achieved.
Of course, the foregoing merely illustrates certain embodiments of the utility model and is in no way intended to limit the scope of the utility model, as it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations may be made to these embodiments without departing from the principles and spirit of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (8)
1. The novel laboratory fume hood comprises a box body (1) and a workbench (2) arranged in the box body (1), and is characterized by comprising a plate mechanism (3), a first adjusting plate (30) and a second adjusting plate (31), wherein the first adjusting plate and the second adjusting plate are respectively arranged on two sides of the workbench (2); the adjusting mechanism (4) is arranged in the box body (1) and is in sliding connection with the plate mechanism (3); the guide mechanism (5) is arranged in the box body (1) and is in clamping fit with the plate mechanism (3); and the sealing mechanism (6) is arranged around the plate mechanism (3).
2. The novel laboratory fume hood according to claim 1, wherein the adjusting mechanism (4) comprises a driving motor (401), a driving rod (402), a first bevel gear (403) and a second bevel gear (404), the driving rod (402) is installed below the workbench (2), the end part of the driving rod (402) is connected with the driving motor (401), the first bevel gear (403) is coaxially installed on one side of the driving rod (402), the second bevel gear (404) is coaxially installed on the other side of the driving rod (402), and the direction of the second bevel gear (404) is opposite to that of the first bevel gear (403).
3. The novel laboratory fume hood according to claim 2, wherein the adjusting mechanism (4) further comprises a first driven rod (407) and a second driven rod (408), the first driven rod (407) is installed above the first bevel gear (403), the second driven rod (408) is installed above the second bevel gear (404), a third bevel gear (405) is arranged at the lower end of the first driven rod (407), the third bevel gear (405) is meshed with the first bevel gear (403), a fourth bevel gear (406) is arranged at the lower end of the second driven rod (408), and the fourth bevel gear (406) is meshed with the second bevel gear (404).
4. A novel laboratory fume chamber according to claim 3, wherein the adjusting mechanism (4) further comprises a first screw rod (413) and a second screw rod (414), the first screw rod (413) is mounted above the first driven rod (407), the second screw rod (414) is mounted above the second driven rod (408), a fifth bevel gear (409) is arranged at the upper end of the first driven rod (407), a seventh bevel gear (411) is arranged on the first screw rod (413), the fifth bevel gear (409) is meshed with the seventh bevel gear (411), a sixth bevel gear (410) is arranged at the upper end of the second driven rod (408), an eighth bevel gear (412) is arranged on the second screw rod (414), and the second bevel gear (404) is meshed with the eighth bevel gear (412).
5. The novel laboratory fume hood according to claim 4, wherein the first adjusting plate (30) is provided with a first slider, the first slider is rotatably connected with the first screw (413), the second adjusting plate (31) is provided with a second slider, and the second slider is rotatably connected with the second screw (414).
6. The novel laboratory fume hood according to claim 1, wherein the guiding mechanism (5) comprises a guiding groove, the guiding groove is arranged on the inner wall of the box body (1), the first adjusting plate (30) and the second adjusting plate (31) are both provided with buckles, and the buckles are in clamping sliding connection with the guiding groove.
7. The novel laboratory fume hood according to claim 1, wherein the sealing mechanism (6) comprises a clamping groove (60), and the clamping grooves (60) are formed in the periphery of the first adjusting plate (30) and the periphery of the second adjusting plate (31).
8. The novel laboratory fume hood according to claim 7, wherein said sealing mechanism (6) further comprises a sealing air tube (61), said sealing air tube (61) being mounted in a clamping groove (60).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222669884.2U CN219073853U (en) | 2022-10-11 | 2022-10-11 | Novel laboratory fume chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222669884.2U CN219073853U (en) | 2022-10-11 | 2022-10-11 | Novel laboratory fume chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219073853U true CN219073853U (en) | 2023-05-26 |
Family
ID=86392470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222669884.2U Active CN219073853U (en) | 2022-10-11 | 2022-10-11 | Novel laboratory fume chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219073853U (en) |
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2022
- 2022-10-11 CN CN202222669884.2U patent/CN219073853U/en active Active
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