CN208831038U - A kind of down-hole air door convenient for locking - Google Patents
A kind of down-hole air door convenient for locking Download PDFInfo
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- CN208831038U CN208831038U CN201821414648.3U CN201821414648U CN208831038U CN 208831038 U CN208831038 U CN 208831038U CN 201821414648 U CN201821414648 U CN 201821414648U CN 208831038 U CN208831038 U CN 208831038U
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- air door
- rack gear
- rotating shaft
- locking
- hole
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Abstract
The utility model discloses a kind of down-hole air doors convenient for locking, including left air door and right air door, the left air door left end is provided with mandrel, the first rotating shaft runs through air door, sliding slot is offered in the first rotating shaft, the lower end of the limit plate is arranged at the top of air door, the air door right end is provided with the first position-limited claw, the air door left and right sides is provided with pillar, the right air door is arranged on the right side of left air door, gear is provided on the rack gear, rack gear left end through-going recess, and groove is arranged in protecting frame left end, the rack gear left end is provided with pin hole, and bolt is provided in pin hole.This is convenient for the down-hole air door of locking, it is provided with rack gear, gear, first rotating shaft and air door, shift rack gear onto bottom, rotate first rotating shaft on rack drives gear, to have the function that forcibly close air door, it pushes the length of rack gear different simultaneously, can reach the benefit of control throttle opening, to facilitate the intake of damper.
Description
Technical field
The utility model relates to the technical field of coal mine underground air door more particularly to a kind of down-hole wind convenient for locking
Door.
Background technique
Air door is the important structures in mine ventilation system, its partition is distinguished and admirable, creates item for mine air distribution according to need
Part, while being provided conveniently for pedestrian and transport again.
Present market largely uses simple underground air door, adjust air door can not in wind direction difference, and air door
Intake can not also adjust, and simultaneously close off more troublesome when air door.Therefore, it is necessary to a kind of down-hole air doors convenient for locking to come
Improve the above problem.
Utility model content
In view of the above technical problems, the purpose of this utility model is to provide a kind of down-hole air door convenient for locking,
Simple underground air door is largely used to solve present market mentioned above in the background art, makes air door in wind direction difference
It can not adjust, and the intake of air door can not also adjust, simultaneously close off problem more troublesome when air door.
To achieve the above object, the utility model provides a kind of down-hole air door convenient for locking, including left air door
Frame and right air door, the left air door left end is provided with mandrel, and is provided with air door on the inside of left air door, while air door passes through
First rotating shaft is connected with left air door, and the first rotating shaft runs through air door, and the second shaft is provided in first rotating shaft, described
Sliding slot is offered in first rotating shaft, and through limit plate is provided in sliding slot, the lower end of the limit plate is arranged on air door top
Portion, and air door is connected by limit plate with the second shaft, the air door right end is provided with the first position-limited claw, and air door left end is set
It is equipped with the second position-limited claw, the air door left and right sides is provided with pillar, and pillar is fixed in left air door, the right air door
It is arranged on the right side of left air door, and right air door and left air door lower end are provided with protecting frame.
Preferably, it is provided with rack gear in protecting frame, is provided with gear on the rack gear, and through there is first turn in gear
Axis is connected by compressed spring with protecting frame inner sidewall with hour rack right end, rack gear left end through-going recess, and groove is set
It sets in protecting frame left end, the rack gear left end is provided with pin hole, and bolt is provided in pin hole.
Preferably, the left air door mount structure is identical as right air door mount structure, and is between left air door and right air door
It is connected together.
Further, there are three the air door settings, and air door equidistantly distributed is on the inside of left air door.
Further, it is rotation connection between the air door and first rotating shaft, and is between first rotating shaft and the second shaft
Rotation connection, while the limit plate of air door upper end is L-shaped.
Preferably, first position-limited claw and the second position-limited claw are C-shaped, and the first position-limited claw radius and the second position-limited claw
Radius is equal.
Further, the rack gear and protecting frame constitute sliding equipment, and the length of protecting frame is equal to the length of left air door
Degree.
By upper, by setting rack gear, gear, first rotating shaft and air door, rack gear is shifted onto bottom, make on rack drives gear the
The rotation of one shaft to have the function that forcibly close air door, while pushing the length of rack gear different, can reach control air door exhibition
The purpose of angle of release degree, to facilitate the intake of damper；By the way that compressed spring is arranged, when wind direction is north wind, at first turn
Under axis effect, air door is automatically turned on, and when wind is south wind, and wind-force is little, under first rotating shaft and compressed spring effect, air door
It will not all be closed, when wind-force is excessive, air door is automatically closed, and south wind and north wind herein is only signal effect；Pass through setting
Limit plate, the second shaft and sliding slot rotate limit plate between the second shaft, in sliding slot when air door automatically turns on
Under limitation, limit plate can only be rotated by 90 °, and avoid air door expanded angle from will not continue to rotate counterclockwise when reaching maximum to reduce
Air door expanded angle.
Detailed description of the invention
Fig. 1 is the overlooking structure diagram of the down-hole air door convenient for locking of the preferred embodiment in the utility model；
Fig. 2 is first rotating shaft, the second shaft and the limit plate in the down-hole air door convenient for locking of the utility model
Attachment structure schematic diagram；
Fig. 3 is that rack gear, the gear in the down-hole air door convenient for locking of the utility model connect knot with compressed spring
Structure schematic diagram；
Fig. 4 is the schematic view of the front view of the down-hole air door convenient for locking of the preferred embodiment in the utility model；
Fig. 5 is the side structure schematic view of the down-hole air door convenient for locking of the preferred embodiment in the utility model；
Fig. 6 is left air door overlooking structure diagram in Fig. 1.
Specific embodiment
It described in the utility model is described in detail convenient for the down-hole air door of locking referring to Fig. 1 to 6 Duis.
It as shown in Figures 1 to 6, is a kind of down-hole air door convenient for locking provided by the utility model, including left wind
Doorframe 1, mandrel 2, air door 3, first rotating shaft 4, the second shaft 5, limit plate 6, sliding slot 7, the first position-limited claw 8, the second position-limited claw 9,
Pillar 10, right air door 11, protecting frame 12, rack gear 13, gear 14, compressed spring 15, groove 16, pin hole 17 and bolt 18,
Left 1 left end of air door is provided with mandrel 2, and air door 3 is provided on the inside of left air door 1, at the same air door 3 by first rotating shaft 4 with
Left air door 1 is connected, and first rotating shaft 4 runs through air door 3, and the second shaft 5 is provided in first rotating shaft 4, opens in first rotating shaft 4
Equipped with sliding slot 7, and through limit plate 6 is provided in sliding slot 7, the lower end setting of limit plate 6 is at 3 top of air door, and air door 3 is logical
It crosses limit plate 6 to be connected with the second shaft 5,3 right end of air door is provided with the first position-limited claw 8, and 3 left end of air door is provided with the second limit
Position pawl 9,3 left and right sides of air door is provided with pillar 10, and pillar 10 is fixed in left air door 1, and right air door 11 is arranged on a left side
1 right side of air door, and right air door 11 and 1 lower end of left air door are provided with protecting frame 12, while being provided in protecting frame 12
Rack gear 13 is provided with gear 14 on rack gear 13, and passes through compression with 13 right end of hour rack through there is first rotating shaft 4 in gear 14
Spring 15 is connected with 12 inner sidewall of protecting frame, 13 left end through-going recess 16 of rack gear, and groove 16 is arranged in 12 left end of protecting frame,
13 left end of rack gear is provided with pin hole 17, and bolt 18 is provided in pin hole 17.
1 structure of left air door in the present embodiment is identical as right 11 structure of air door, and left air door 1 and right air door 11
Between to be connected together, operate left air door 1 with right air door 11 the same, the person's of being convenient to use use.Air door 3 is provided with three
It is a, and 3 equidistantly distributed of air door increases the precision of damper 3 in left 1 inside of air door.Air door 3 and first rotating shaft 4 it
Between for rotation connection, and between first rotating shaft 4 and the second shaft 5 for rotation connection, while the limit plate 6 of 3 upper end of air door be in L
Shape slides the limit plate 6 of 3 upper end of air door on sliding slot 7 by wind direction, to achieve the purpose that automatically adjust aperture.
The first position-limited claw 8 and the second position-limited claw 9 in the utility model is C-shaped, and 8 radius of the first position-limited claw and second
9 radius of position-limited claw is equal, and when wind direction is north wind, 3 expanded angle of air door reaches maximum, and when wind direction is south wind, air door 3 closes automatically
It closes.Wherein, rack gear 13 and protecting frame 12 constitute sliding equipment, and the length of protecting frame 12 is equal to the length of left air door 1, passes through
It shifts rack gear 13 onto bottom, then bolt 18 is inserted into pin hole 17, can reach the purpose for forcibly closing air door 3.
When being convenient for the down-hole air door of locking using this, first by 11 lower end rack gear 13 of left air door 1 and right air door
On bolt 18 remove, then by left air door 1 and right air door 11 closure get up, in the effect of 15 original state of compressed spring
Under, the expanded angle of air door 3 maintains half-open half state closed and air door 3 is blowed air over, in first rotating shaft 4 when wind direction is north wind
Under the action of, limit plate 6 on air door 3 is slided along sliding slot 7, and limit plate 6 is rotated around the second shaft 5, when limit plate 6 around
The second shaft 5 rotate 90 ° when, will not continue to rotate counterclockwise in the limitation lower wind door 3 of sliding slot 7, thus ensure that air door 3 open up
Angle of release degree reaches maximum, and when wind direction is south wind and larger wind-force, when blowing air over air door 3, under the action of sliding slot 7, air door 3 is not
It can rotate clockwise, so that closed state is constantly in, when wind direction is south wind and little wind-force, in 15 unit pressure of compressed spring
When contracting torque is greater than the torsional moment that wind generates air door 3, air door 3 can continue to the state of half-open half pass, when needing to force
When closing air door 3, rack gear 13 can be shifted to bottom onto, then bolt 18 is inserted into pin hole 17, rack gear 13 is made to drive 4 turns of first rotating shaft
It is dynamic, make sliding slot 7 clockwise, thus limit plate 6 is stuck, close air door 3.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (7)
1. a kind of down-hole air door convenient for locking, including left air door (1) and right air door (11), it is characterised in that: institute
It states left air door (1) left end to be provided with mandrel (2), and is provided with air door (3) on the inside of left air door (1), while air door (3) passes through
First rotating shaft (4) is connected with left air door (1), and the first rotating shaft (4) runs through air door (3), and setting in first rotating shaft (4)
Have the second shaft (5), offered sliding slot (7) in the first rotating shaft (4), and runs through in sliding slot (7) and be provided with limit plate
(6)；
The lower end setting of the limit plate (6) is at the top of air door (3), and air door (3) passes through limit plate (6) and the second shaft (5)
It is connected, air door (3) right end is provided with the first position-limited claw (8), and air door (3) left end is provided with the second position-limited claw (9), institute
It states air door (3) left and right sides to be provided with pillar (10), and pillar (10) is fixed in left air door (1), the right air door
(11) setting is on the right side of left air door (1), and right air door (11) and left air door (1) lower end are provided with protecting frame (12).
2. the down-hole air door according to claim 1 convenient for locking, which is characterized in that set in the protecting frame (12)
It is equipped with rack gear (13), is provided with gear (14) on the rack gear (13), and through there is first rotating shaft (4) in gear (14), simultaneously
Rack gear (13) right end is connected by compressed spring (15) with protecting frame (12) inner sidewall, rack gear (13) left end through-going recess
(16), and groove (16) is arranged in protecting frame (12) left end, and rack gear (13) left end is provided with pin hole (17), and pin hole
(17) bolt (18) are provided in.
3. the down-hole air door according to claim 1 convenient for locking, which is characterized in that left air door (1) knot
Structure is identical as right air door (11) structure, and is to be connected together between left air door (1) and right air door (11).
4. the down-hole air door according to claim 1 convenient for locking, which is characterized in that the air door (3) is provided with
Three, and air door (3) equidistantly distributed is on the inside of left air door (1).
5. the down-hole air door according to claim 1 convenient for locking, which is characterized in that the air door (3) and first
It is rotation connection between shaft (4), and is rotation connection between first rotating shaft (4) and the second shaft (5), while on air door (3)
The limit plate (6) at end is L-shaped.
6. the down-hole air door according to claim 1 convenient for locking, which is characterized in that first position-limited claw (8)
It is C-shaped with the second position-limited claw (9), and the first position-limited claw (8) radius and the second position-limited claw (9) radius are equal.
7. the down-hole air door according to claim 2 convenient for locking, which is characterized in that the rack gear (13) and protection
Frame (12) constitutes sliding equipment, and the length of protecting frame (12) is equal to the length of left air door (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821414648.3U CN208831038U (en) | 2018-08-30 | 2018-08-30 | A kind of down-hole air door convenient for locking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821414648.3U CN208831038U (en) | 2018-08-30 | 2018-08-30 | A kind of down-hole air door convenient for locking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208831038U true CN208831038U (en) | 2019-05-07 |
Family
ID=66311149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821414648.3U Active CN208831038U (en) | 2018-08-30 | 2018-08-30 | A kind of down-hole air door convenient for locking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208831038U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339039A (en) * | 2021-06-30 | 2021-09-03 | 贵州大学 | Laborsaving air door switching device in pit |
-
2018
- 2018-08-30 CN CN201821414648.3U patent/CN208831038U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339039A (en) * | 2021-06-30 | 2021-09-03 | 贵州大学 | Laborsaving air door switching device in pit |
| CN113339039B (en) * | 2021-06-30 | 2023-04-25 | 贵州大学 | Labor-saving underground air door switching device |
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