CN209524613U - A kind of negative pressure weighs the air exhausting device of cover - Google Patents
A kind of negative pressure weighs the air exhausting device of cover Download PDFInfo
- Publication number
- CN209524613U CN209524613U CN201822160402.4U CN201822160402U CN209524613U CN 209524613 U CN209524613 U CN 209524613U CN 201822160402 U CN201822160402 U CN 201822160402U CN 209524613 U CN209524613 U CN 209524613U
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- Prior art keywords
- air
- negative pressure
- gear
- cover
- baffle
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Abstract
The utility model discloses the air exhausting devices that a kind of negative pressure weighs cover, including air draft frame, gear and miniature electromotive handspike, air exhaust slot is offered in the air draft frame, and baffle is installed in air exhaust slot, the two sides of the baffle are connected with motion bar, and one end of motion bar is connected with gear through loose slot, and loose slot is set on the inner wall of air exhaust slot, the gear is located in side channel, and side channel is opened in the inside of air draft frame, the bottom of the side channel is fixedly installed with miniature electromotive handspike, and the output end of miniature electromotive handspike is connected with guide plate, and guide plate is located in side channel, fixture block is fixed on the inside of the guide plate, and fixture block is connected with gear, the back side of the air draft frame is fixed with ventilating board, mounting groove is provided on the outside of the air draft frame.The negative pressure weighs the air exhausting device of cover, convenient to control draft capacity, while having dust-proof effect, and extraneous dust is effectively prevent to enter the inside that negative pressure weighs cover.
Description
Technical field
The utility model relates to negative pressure to weigh cover technical field, and specially a kind of negative pressure weighs the air exhausting device of cover.
Background technique
It is that one kind is set for dedicated Local Purifications in places such as pharmacy, microbe research and scientific experiments that negative pressure, which weighs cover,
Standby, it provides a kind of one-way gas flow, and part pure air recycles in workspace, is partially expelled near zone, produces workspace
Raw negative pressure, thus need to use air exhausting device, however existing air exhausting device has the following problems:
1. existing air exhausting device, when negative pressure to be weighed to the air discharge inside cover, air quantity is fixed, and different material is to wind
The requirement of amount is different, and air quantity cannot be adjusted, and has certain limitation；
2. existing air exhausting device lacks dust prevention during air draft, external dust is easy intrusion negative pressure and weighs
Cover is internal, impacts to the production process of material.
In view of the above-mentioned problems, being badly in need of carrying out innovative design on the basis of negative pressure weighs the air exhausting device of cover.
Utility model content
The purpose of this utility model is to provide the air exhausting devices that a kind of negative pressure weighs cover, are mentioned with solving above-mentioned background technique
The negative pressure having weighs the air exhausting device of cover, it has not been convenient to adjust air volume, while not have the problem of dust reduction capability.
To achieve the above object, the utility model provides the following technical solutions: a kind of negative pressure weighs the air exhausting device of cover, packet
Air draft frame, gear and miniature electromotive handspike are included, offers air exhaust slot in the air draft frame, and baffle is installed in air exhaust slot, institute
The two sides for stating baffle are connected with motion bar, and one end of motion bar is connected with gear through loose slot, and loose slot is set to
On the inner wall of air exhaust slot, the gear is located in side channel, and side channel is opened in the inside of air draft frame, and the bottom of the side channel is fixed
Miniature electromotive handspike is installed, and the output end of miniature electromotive handspike is connected with guide plate, and guide plate is located in side channel, it is described to lead
Fixture block is fixed on the inside of plate, and fixture block is connected with gear, the back side of the air draft frame is fixed with ventilating board, and on ventilating board
It is reserved with ventilation hole, is provided with mounting groove on the outside of the air draft frame, and be fixed with Air Filter in mounting groove, and Air Filter
Top is connected with pull ring.
Preferably, it is bonded to each other between the two sides of the baffle and the inner wall of air exhaust slot, and is between baffle and motion bar
It is bonded and integrated structure.
Preferably, rotational structure is constituted between the motion bar and loose slot, and the diameter of motion bar is equal to loose slot
Internal diameter.
Preferably, the fixture block is equally distributed on guide plate, and is intermeshed between guide plate and gear.
Preferably, the ventilation hole is equally distributed on ventilating board, and the distribution of the distributing position and baffle of ventilation hole
Position is corresponding.
Preferably, the disassembly mounting structure being connected together is constituted between the Air Filter and mounting groove, and Air Filter is perpendicular
Area of section is equal to the vertical section area of air exhaust slot.
Compared with prior art, the utility model has the beneficial effects that the negative pressure weighs the air exhausting device of cover, it is convenient to row
Air output is controlled, while having dust-proof effect, and extraneous dust is effectively prevent to enter the inside that negative pressure weighs cover；
1. being intermeshed by being equally distributed between the fixture block and gear on guide plate, so that guide plate is moving up and down
When, can with the rotation of moving gear, thus by gear drive motion bar and baffle rotation, the position of controllable register, thus
Air volume is adjusted；
2. the disassembly mounting structure being connected together is constituted between the Air Filter and mounting groove by setting, it is convenient by dust-proof
Net stops extraneous dust, while the Air Filter of long-time service can be disassembled cleaning, avoids dust accretions.
Detailed description of the invention
Fig. 1 is the utility model side structure schematic diagram；
Fig. 2 is the utility model overlooking structure diagram；
Fig. 3 is the utility model positive structure schematic；
Fig. 4 is the utility model ventilating board mounting structure schematic diagram；
Fig. 5 is the utility model air draft frame schematic perspective view.
In figure: 1, air draft frame；2, air exhaust slot；3, baffle；4, loose slot；5, motion bar；6, gear；7, side channel；8, miniature
Electric pushrod；9, guide plate；10, fixture block；11, ventilating board；12, ventilation hole；13, mounting groove；14, Air Filter；15, pull ring.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-5, the utility model provides a kind of technical solution: a kind of negative pressure weighs the air exhausting device of cover, including
Air draft frame 1, air exhaust slot 2, baffle 3, loose slot 4, motion bar 5, gear 6, side channel 7, miniature electromotive handspike 8, guide plate 9, fixture block 10,
Ventilating board 11, ventilation hole 12, mounting groove 13, Air Filter 14 and pull ring 15 offer air exhaust slot 2, and air exhaust slot 2 in air draft frame 1
Baffle 3 is inside installed, the two sides of baffle 3 are connected with motion bar 5, and one end of motion bar 5 is connected with gear 6 through loose slot 4,
And loose slot 4 is set on the inner wall of air exhaust slot 2, and gear 6 is located in side channel 7, and side channel 7 is opened in the inside of air draft frame 1,
The bottom of side channel 7 is fixedly installed with miniature electromotive handspike 8, and the output end of miniature electromotive handspike 8 is connected with guide plate 9, and leads
Plate 9 is located in side channel 7, and the inside of guide plate 9 is fixed with fixture block 10, and fixture block 10 is connected with gear 6, and the back side of air draft frame 1 is solid
Surely there is ventilating board 11, and be reserved with ventilation hole 12 on ventilating board 11, the outside of air draft frame 1 is provided with mounting groove 13, and mounting groove
Air Filter 14 is fixed in 13, and the top of Air Filter 14 is connected with pull ring 15；
It is bonded to each other between the two sides of baffle 3 and the inner wall of air exhaust slot 2, and is Nian Jie one between baffle 3 and motion bar 5
Change structure, the convenient environment by forming sealing between baffle 3 and motion bar 5 stops wind, while keeping baffle 3
Stablize installation；
Rotational structure is constituted between motion bar 5 and loose slot 4, and the diameter of motion bar 5 is equal to the internal diameter of loose slot 4, lead to
Stable rotation of the motion bar 5 in loose slot 4 is crossed, controllable register 3 blocks angle, to realize the regulation to air quantity；
Fixture block 10 is equally distributed on guide plate 9, and is intermeshed between guide plate 9 and gear 6, facilitates fixture block 10 upper and lower
When mobile, can rotation by guide plate 9 with moving gear 6, it is real to drive the rotation of motion bar 5 and baffle 3 by gear 6
Now to the control of 3 position of baffle；
Ventilation hole 12 is equally distributed on ventilating board 11, and the distributing position of the distributing position of ventilation hole 12 and baffle 3
Corresponding, the convenient wind for covering interior discharge to negative pressure weighing by ventilation hole 12 is dredged, and orderly the passing through of wind is led to
Air holes 12 and baffle 3 are discharged；
The disassembly mounting structure being connected together, and the vertical section face of Air Filter 14 are constituted between Air Filter 14 and mounting groove 13
Product is equal to the vertical section area of air exhaust slot 2, the disassembly installation and cleaning of convenient dust-proofing net 14, while effectively being hindered by Air Filter 14
It is internal from air draft frame 1 into negative pressure weighing cover to keep off extraneous dust.
Working principle: when weighing the air exhausting device of cover using the negative pressure, as shown in Figs. 1-5, the device is installed first
It is weighed in negative pressure and covers upper corresponding position, then push guide plate 9 in side channel by the miniature electromotive handspike 8 of model XTL100
It is run up in 7, engages and contact between the fixture block 10 and gear 6 of 9 inside of guide plate, the rotation with moving gear 6, gear 6, which drives, lives
Lever 5 rotates in loose slot 4, drives baffle 3 to rotate in air exhaust slot 2 by motion bar 5, to adjust adjacent baffle 3
Position, while negative pressure weighs the wind being discharged in cover and is discharged by the ventilation hole 12 on ventilating board 11, by baffle 3 by air exhaust slot 2
Position concede step by step, the air quantity blown out in ventilation hole 12 becomes larger step by step, can by adjust the moving distance of guide plate 9 come
The slewing area of controllable register 3 to adjust air quantity, while can pass through 14 pairs of extraneous dusts of Air Filter in mounting groove 13
Stopped, avoids dust from entering negative pressure by air draft frame 1 and weigh cover inside, when Air Filter 14 is used for a long time, surface meeting
A large amount of dusts are accumulated, can be pulled out Air Filter 14 out of mounting groove 13 by the pull ring 15 at the top of it at this time, to Air Filter 14
On dust cleared up, conveniently continue to use, it should be noted that the device connects external power supply when in use, while micro-
Type electric pushrod 8 uses and is installed as known approaches, and therefore not to repeat here.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (6)
1. a kind of negative pressure weighs the air exhausting device of cover, including air draft frame (1), gear (6) and miniature electromotive handspike (8), feature
It is: is offered air exhaust slot (2) in the air draft frame (1), and is equipped with baffle (3) in air exhaust slot (2), the baffle (3)
Two sides are connected with motion bar (5), and one end of motion bar (5) is connected with gear (6) through loose slot (4), and loose slot (4)
It is set on the inner wall of air exhaust slot (2), the gear (6) is located in side channel (7), and side channel (7) is opened in the interior of air draft frame (1)
The bottom in portion, the side channel (7) is fixedly installed with miniature electromotive handspike (8), and the output end of miniature electromotive handspike (8) is connected with
Guide plate (9), and guide plate (9) is located in side channel (7), is fixed with fixture block (10) on the inside of the guide plate (9), and fixture block (10) with
Gear (6) is connected, and the back side of the air draft frame (1) is fixed with ventilating board (11), and is reserved with ventilation hole on ventilating board (11)
(12), it is provided with mounting groove (13) on the outside of the air draft frame (1), and is fixed with Air Filter (14) in mounting groove (13), and
Pull ring (15) are connected at the top of Air Filter (14).
2. the air exhausting device that a kind of negative pressure according to claim 1 weighs cover, it is characterised in that: the two of the baffle (3)
It is bonded to each other between side and the inner wall of air exhaust slot (2), and is to be bonded and integrated structure between baffle (3) and motion bar (5).
3. the air exhausting device that a kind of negative pressure according to claim 1 weighs cover, it is characterised in that: the motion bar (5) with
Rotational structure is constituted between loose slot (4), and the diameter of motion bar (5) is equal to the internal diameter of loose slot (4).
4. the air exhausting device that a kind of negative pressure according to claim 1 weighs cover, it is characterised in that: between described fixture block (10) etc.
Away from being distributed on guide plate (9), and it is intermeshed between guide plate (9) and gear (6).
5. the air exhausting device that a kind of negative pressure according to claim 1 weighs cover, it is characterised in that: described ventilation hole (12) etc.
Spacing is distributed on ventilating board (11), and the distributing position of ventilation hole (12) is corresponding with the distributing position of baffle (3).
6. the air exhausting device that a kind of negative pressure according to claim 1 weighs cover, it is characterised in that: the Air Filter (14) with
The disassembly mounting structure being connected together is constituted between mounting groove (13), and the vertical section area of Air Filter (14) is equal to air exhaust slot
(2) vertical section area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822160402.4U CN209524613U (en) | 2018-12-22 | 2018-12-22 | A kind of negative pressure weighs the air exhausting device of cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822160402.4U CN209524613U (en) | 2018-12-22 | 2018-12-22 | A kind of negative pressure weighs the air exhausting device of cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209524613U true CN209524613U (en) | 2019-10-22 |
Family
ID=68227116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822160402.4U Expired - Fee Related CN209524613U (en) | 2018-12-22 | 2018-12-22 | A kind of negative pressure weighs the air exhausting device of cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209524613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110854472A (en) * | 2019-12-09 | 2020-02-28 | 江苏理工学院 | Intelligent heat dissipation device for electric automobile |
-
2018
- 2018-12-22 CN CN201822160402.4U patent/CN209524613U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110854472A (en) * | 2019-12-09 | 2020-02-28 | 江苏理工学院 | Intelligent heat dissipation device for electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191022 Termination date: 20201222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |