CN208261502U - A kind of laboratory hood air-flow Air System - Google Patents
A kind of laboratory hood air-flow Air System Download PDFInfo
- Publication number
- CN208261502U CN208261502U CN201820209510.3U CN201820209510U CN208261502U CN 208261502 U CN208261502 U CN 208261502U CN 201820209510 U CN201820209510 U CN 201820209510U CN 208261502 U CN208261502 U CN 208261502U
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- door sill
- cabinet body
- sill protector
- vented cavity
- door
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Abstract
The utility model relates to a kind of laboratory hood air-flow Air Systems, including the cabinet body, vented cavity, opening, hermatic door of divulging information, open bottom edge is equipped with door sill protector, door sill protector frontage and airiness chamber side is equipped with venthole, door sill protector lower front is equipped with air inlet, vented cavity rear wall is provided, in sequence from bottom to top, with exhausting web plate, lower baffle plate, overhead gage, is equipped with wind-collecting cover at the top of ventilation cabinet body.The utility model is by being arranged venthole on the inside of hollow door sill protector, in door sill protector bottom, air inlet is set, ventilation cavity pressure is low compared with opening during the work time, air enters vented cavity from opening, door sill protector top air flow is big compared on rear side of door sill protector, door sill protector backside pressure is lower, partial air is by rear side of venthole entry threshold item, pernicious gas is prevented to be enriched on rear side of door sill protector, vented cavity rear wall is provided, in sequence from bottom to top, with exhausting web plate, lower baffle plate, overhead gage, convenient for expanding vented cavity volume.
Description
Technical field
The utility model relates to vent cabinet technical field, in particular to a kind of laboratory hood air-flow Air System.
Background technique
Laboratory hood is in the lab using a kind of quite extensive special equipment, the air inlet of draught cupboard and outlet
Affect the performance of equipment.Usually door sill protector is arranged in opening in existing vent cabinet, to prevent the liquid of vent cabinet bottom from overflowing
Out, but to there is dead space at the door sill protector of existing vent cabinet, pernicious gas is caused to be enriched on the inside of the door sill protector.
Utility model content
In view of the deficiencies of the prior art, the purpose of the utility model is to provide a kind of laboratory hood air-flow wind-guiding systems
System.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of laboratory hood air-flow wind-guiding system
System, including ventilation cabinet body, the ventilation cabinet body are equipped with vented cavity, and the ventilation cabinet body on front side of the vented cavity, which is equipped with, to be opened
Mouthful, it is equipped with the hermatic door for closing the opening on front side of the ventilation cabinet body, the opening extends to the ventilation bottom of cabinet bulk, institute
Open bottom edge is stated equipped with door sill protector, the door sill protector extends along the open bottom edge, and the door sill protector is hollow
Bar shaped pipe, the door sill protector are equipped with venthole towards the vented cavity side, and the venthole opening is higher than the vented cavity bottom
It is connected to inside face, the venthole and the door sill protector, the door sill protector lower front is equipped with air inlet, the air inlet and institute
It states connection, the vented cavity rear wall inside door sill protector and is provided, in sequence from bottom to top, with exhausting web plate, lower baffle plate, overhead gage, the pumping
It is equipped with exhausting chamber between wind web plate, lower baffle plate and overhead gage and the vented cavity rear wall, is equipped with collection at the top of the ventilation cabinet body
Fan housing, the wind-collecting cover are connected to the exhausting top of chamber.
By the way that venthole is arranged on the inside of hollow door sill protector in above-mentioned design, air inlet is set in the door sill protector bottom
Mouthful, divulging information during the work time, cavity pressure is low compared with opening, and air enters vented cavity from opening, and door sill protector top air flow is compared with door
Big on rear side of sill item, door sill protector backside pressure is lower, and partial air is by preventing pernicious gas from existing on rear side of venthole entry threshold item
Enrichment, vented cavity rear wall are provided, in sequence from bottom to top, with exhausting web plate, lower baffle plate, overhead gage on rear side of door sill protector, convenient for expanding ventilation
Chamber volume.
It is inclined-plane on front side of the ventilation cabinet body as the further improvement of the design, the ventilation cabinet body front side is from institute
It states and extends on rear side of ventilation cabinet body top surface to the ventilation cabinet body front side bottom, the opening is equipped with type of push and pull up down hermatic door,
Convenient for adjusting openings of sizes.
As the further improvement of the design, the ventilation cabinet body at left and right sides of the opening is equipped with the cunning extended up and down
Slot, the sliding slot and the hermatic door two sides cooperate, and configuration block is equipped on rear side of the ventilation cabinet body, and the ventilation cabinet body is equipped with
Pulley, the configuration block are equipped with the traction rope being wound on the pulley, connect at the top of the traction rope end and the hermatic door
It connects, the configuration block tractive force upward to the hermatic door is equal to the hermatic door gravity.Clump weight is convenient for balanced seal door
Suffered gravity prevents hermatic door from stopping at an arbitrary position and does not need to lock, easy to operate.
As the further improvement of the design, the vented cavity rear wall be equipped with buckle, the exhausting web plate, lower baffle plate and
Overhead gage is buckled on the buckle, easy to disassemble.
As the further improvement of the design, it is equipped with gap between the exhausting web plate, lower baffle plate and overhead gage, institute
It states exhausting web plate bottom and the vented cavity bottom also is provided with gap, convenient for extracting the pernicious gas of vented cavity middle and upper part.
The beneficial effects of the utility model are: the utility model is by being arranged venthole on the inside of hollow door sill protector,
Air inlet is arranged in the door sill protector bottom, and cavity pressure of divulging information during the work time is low compared with opening, and air enters logical from opening
Wind chamber, door sill protector top air flow is big compared on rear side of door sill protector, and door sill protector backside pressure is lower, and partial air enters door by venthole
On rear side of sill item, pernicious gas is prevented to be enriched on rear side of door sill protector, vented cavity rear wall is provided, in sequence from bottom to top, with exhausting web plate, lower block
Plate, overhead gage, convenient for expanding vented cavity volume.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the schematic perspective view of the utility model.
Fig. 2 is the diagrammatic cross-section of the utility model.
Fig. 3 is the door sill protector section enlarged diagram of the utility model.
The 1. ventilation cabinet body in figure, 2. wind-collecting covers, 3. pulleys, 4. traction ropes, 5. hermatic doors, 6. openings, 7. door sill protectors, 8.
Exhausting web plate, 9. lower baffle plates, 10. exhausting chambers, 11. buckles, 12. overhead gages, 13. air inlets, 14. ventholes, 15. vented cavities,
16. configuration block, 17. sliding slots.
Specific embodiment
Be described in detail the utility model below in conjunction with attached drawing and specific embodiment, illustrative examples therein with
And explanation is only used to explain the utility model, but is not intended to limit the scope of the present invention.
Embodiment: a kind of laboratory hood air-flow Air System, including ventilation cabinet body 1, the ventilation cabinet body 1 are equipped with logical
The ventilation cabinet body 1 of wind chamber 15,15 front side of vented cavity is equipped with opening 6, and closing institute is equipped on front side of the ventilation cabinet body 1
The hermatic door 5 of opening 6 is stated, the opening 6 extends to 1 bottom of ventilation cabinet body, and 6 bottom margins of the opening are equipped with door sill protector
7, the door sill protector 7 extends along 6 bottom margins of the opening, and the door sill protector 7 is hollow bar shaped pipe, 7 court of door sill protector
It is equipped with venthole 14 to 15 side of vented cavity, the opening of venthole 14 6 is higher than 15 bottom surface of vented cavity, the outlet
Be connected to inside hole 14 and the door sill protector 7,7 lower front of door sill protector be equipped with air inlet 13, the air inlet 13 with it is described
It is connected to inside door sill protector 7,15 rear wall of vented cavity is provided, in sequence from bottom to top, with exhausting web plate 8, lower baffle plate 9, overhead gage 12, institute
It states and is equipped with exhausting chamber 10, the vent cabinet between exhausting web plate 8, lower baffle plate 9 and overhead gage 12 and 15 rear wall of the vented cavity
It is equipped with wind-collecting cover 2 at the top of body 1, is connected at the top of the wind-collecting cover 2 and the exhausting chamber 10.
In above-mentioned design by the inside of hollow door sill protector 7 be arranged venthole 14,7 bottom of door sill protector be arranged into
Stomata 13,15 pressure of vented cavity is low compared at opening 6 during the work time, and air enters vented cavity 15, door sill protector 7 from opening 6
Top air flow is big compared with 7 rear side of door sill protector, and 7 backside pressure of door sill protector is lower, and partial air is after 14 entry threshold item 7 of venthole
Side prevents pernicious gas to be enriched on rear side of door sill protector 7, and 15 rear wall of vented cavity is provided, in sequence from bottom to top, with exhausting web plate 8, lower baffle plate
9, overhead gage 12, convenient for expanding 15 volume of vented cavity.
It is inclined-plane on front side of the ventilation cabinet body 1 as the further improvement of the design, is certainly on front side of the ventilation cabinet body 1
Extend on rear side of 1 top surface of ventilation cabinet body to 1 front side bottom of ventilation cabinet body, it is close to be equipped with type of push and pull up down at the opening 6
Closure door 5, convenient for adjusting 6 sizes of opening.
As the further improvement of the design, the ventilation cabinet body 1 of 6 left and right sides of opening is equipped with the cunning extended up and down
Slot 17, the sliding slot 17 cooperate with 5 two sides of hermatic door, and configuration block 16, the vent cabinet are equipped on rear side of the ventilation cabinet body 1
Body 1 is equipped with pulley 3, and the configuration block 16 is equipped with the traction rope 4 being wound on the pulley 3,4 end of traction rope and institute
It states and is connected at the top of hermatic door 5, the configuration block 16 tractive force upward to the hermatic door 5 is equal to 5 gravity of hermatic door.Match
Pouring weight prevents hermatic door 5 from stopping at an arbitrary position and does not need to lock convenient for gravity suffered by balanced seal door 5, easy to operate.
As the further improvement of the design, 15 rear wall of vented cavity is equipped with buckle 11, the exhausting web plate 8, lower block
Plate 9 and overhead gage 12 are buckled on the buckle 11, easy to disassemble.
As the further improvement of the design, between being equipped between the exhausting web plate 8, lower baffle plate 9 and overhead gage 12
Gap, 8 bottom of exhausting web plate and 15 bottom of vented cavity also are provided with gap, convenient for extracting the nocuousness of 15 middle and upper part of vented cavity
Gas.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (5)
1. a kind of laboratory hood air-flow Air System, including ventilation cabinet body, the ventilation cabinet body is equipped with vented cavity, described logical
The ventilation cabinet body on front side of wind chamber is equipped with opening, is equipped with the hermatic door for closing the opening on front side of the ventilation cabinet body,
It is characterized in that, the opening extends to the ventilation bottom of cabinet bulk, and the open bottom edge is equipped with door sill protector, the door sill protector
Extend along the open bottom edge, the door sill protector is hollow bar shaped pipe, and the door sill protector is towards the vented cavity side
Equipped with venthole, the venthole opening is higher than the vented cavity bottom surface, is connected to inside the venthole and the door sill protector, institute
It states door sill protector lower front to be connected to equipped with air inlet, the air inlet and door sill protector inside, the vented cavity rear wall is under
Exhausting web plate, lower baffle plate, overhead gage, the exhausting web plate, lower baffle plate and overhead gage and the vented cavity are successively arranged on and
It is equipped with exhausting chamber between rear wall, is equipped with wind-collecting cover at the top of the ventilation cabinet body, the wind-collecting cover is connected to the exhausting top of chamber.
2. a kind of laboratory hood air-flow Air System according to claim 1, characterized in that before the ventilation cabinet body
Side is inclined-plane, to extend from rear side of the ventilation cabinet body top surface to the ventilation cabinet body front side bottom on front side of the ventilation cabinet body,
The opening is equipped with type of push and pull up down hermatic door.
3. a kind of laboratory hood air-flow Air System according to claim 2, characterized in that the opening left and right two
The ventilation cabinet body of side is equipped with the sliding slot extended up and down, and the sliding slot and the hermatic door two sides cooperate, after the ventilation cabinet body
Side is equipped with configuration block, and the ventilation cabinet body is equipped with pulley, and the configuration block is equipped with the traction rope being wound on the pulley, institute
It states and is connect at the top of traction rope end and the hermatic door, the configuration block tractive force upward to the hermatic door is equal to described close
Closure door gravity.
4. a kind of laboratory hood air-flow Air System according to claim 1, characterized in that the vented cavity rear wall
Equipped with buckle, the exhausting web plate, lower baffle plate and overhead gage are buckled on the buckle.
5. a kind of laboratory hood air-flow Air System according to claim 1, characterized in that the exhausting web plate,
Gap is equipped between lower baffle plate and overhead gage, exhausting web plate bottom and the vented cavity bottom also are provided with gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820209510.3U CN208261502U (en) | 2018-02-07 | 2018-02-07 | A kind of laboratory hood air-flow Air System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820209510.3U CN208261502U (en) | 2018-02-07 | 2018-02-07 | A kind of laboratory hood air-flow Air System |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208261502U true CN208261502U (en) | 2018-12-21 |
Family
ID=64674194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820209510.3U Active CN208261502U (en) | 2018-02-07 | 2018-02-07 | A kind of laboratory hood air-flow Air System |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208261502U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274374A (en) * | 2019-05-30 | 2019-09-24 | 何云飞 | A kind of use for laboratory ventilation duct security protection lid with sealing lock function |
| CN114433589A (en) * | 2020-11-04 | 2022-05-06 | 彰伦环保科技(上海)有限公司 | Perchloric acid fume chamber |
-
2018
- 2018-02-07 CN CN201820209510.3U patent/CN208261502U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274374A (en) * | 2019-05-30 | 2019-09-24 | 何云飞 | A kind of use for laboratory ventilation duct security protection lid with sealing lock function |
| CN110274374B (en) * | 2019-05-30 | 2020-11-20 | 惠特环境科技有限公司 | Laboratory ventilation pipe security protection lid with sealed locking function |
| CN114433589A (en) * | 2020-11-04 | 2022-05-06 | 彰伦环保科技(上海)有限公司 | Perchloric acid fume chamber |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 215400 No.8 Taizhou Road, Loudong street, Taicang City, Suzhou City, Jiangsu Province Patentee after: TAICANG ESCO MEDICAL EQUIPMENT SCIENCE & TECHNOLOGY Co.,Ltd. Address before: 215400 Building 1, Fuda Road East, Ludu Town, Taicang City, Suzhou City, Jiangsu Province Patentee before: TAICANG ESCO MEDICAL EQUIPMENT SCIENCE & TECHNOLOGY Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |