CN213095196U - Ventilation unit for big-arch shelter - Google Patents
Ventilation unit for big-arch shelter Download PDFInfo
- Publication number
- CN213095196U CN213095196U CN202022037072.7U CN202022037072U CN213095196U CN 213095196 U CN213095196 U CN 213095196U CN 202022037072 U CN202022037072 U CN 202022037072U CN 213095196 U CN213095196 U CN 213095196U
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- China
- Prior art keywords
- vent
- groove
- blades
- wind wheel
- column
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- 238000009423 ventilation Methods 0.000 title claims abstract description 27
- 238000004804 winding Methods 0.000 claims abstract description 8
- 239000012528 membrane Substances 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 239000002985 plastic film Substances 0.000 description 3
- 229920006255 plastic film Polymers 0.000 description 3
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Landscapes
- Greenhouses (AREA)
Abstract
The utility model discloses a ventilation device for a greenhouse, which comprises a greenhouse body, wherein the top of the greenhouse body is provided with a vent, a groove is arranged at the position of the top of the greenhouse close to the vent, a cylinder is slidably connected in the groove along the vertical direction, one side of the cylinder close to the vent is fixedly connected with a vent cover, a spring is arranged between the bottom of the cylinder and the groove, the top of the cylinder is rotatably connected with a one-way wind wheel through a rotating shaft, the one-way wind wheel is connected with two pull ropes, and the other ends of the pull ropes are respectively fixed at the bottom of the groove; ventilation unit simple structure, convenient operation drives one-way wind wheel through wind-force and rotates to the stay cord winding shortens, and when the pulling force of stay cord was greater than the holding power of spring, stay cord pulling barrel mast descended, thereby the vent cover descends and closes the vent, when preventing that wind-force increase suddenly or wind at night etc. can't in time close the vent, powerful wind passes through the vent and damages the canopy membrane.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the technical field of warmhouse booth, concretely relates to ventilation unit for big-arch shelter.
[ background of the invention ]
In recent years, greenhouse planting technology is vigorously developed all over the country, particularly, greenhouse vegetable greenhouses in the north gradually enter large-scale production and planting, daily operation of traditional greenhouses is more, sunlight intensity is higher at noon in the daytime of the north winter day, temperature in the greenhouses rises faster, and at the moment, in order to keep the temperature in the greenhouses constant, ventilation and heat dissipation need to be carried out on the greenhouses to ensure the temperature inside the greenhouses to be constant. The conventional greenhouse ventilation opening is generally opened and closed by manual operation; however, when strong convection weather occurs in sudden change of weather, wind power suddenly increases or wind rises at night, an operator does not have time to close the ventilation opening, and strong wind can damage the greenhouse film through the ventilation opening.
[ Utility model ] content
To the defect of prior art, the utility model aims to provide a ventilation unit for big-arch shelter, ventilation unit simple structure, convenient to use can utilize wind-force to close the vent according to the wind-force size.
The utility model discloses a following technical scheme, a ventilation unit for big-arch shelter, including the big-arch shelter body, the top intermediate position of big-arch shelter body sets up a recess, and one side that big-arch shelter body top is close to the recess sets up a vent, along its vertical direction sliding connection section of thick bamboo post in the recess, a section of thick bamboo post is close to one side fixed connection venthole lid of vent, set up a spring between the bottom of section of thick bamboo post and the recess, the fixed pivot that sets up in top of section of thick bamboo post, the top of pivot is rotated and is connected an one-way wind wheel, connect two stay cords on the one-way wind wheel, the other end of stay cord is fixed respectively.
Preferably, the unidirectional wind wheel comprises blades, one surface of each blade is a concave surface, the other surface of each blade is a convex surface, the concave surfaces of all the blades are arranged along the same direction, and the blades are connected to the top of the rotating shaft through a support.
Preferably, the number of the blades is three, the support is a three-fork-shaped support consisting of three support arms which form an angle of 60 degrees with each other, the three blades are respectively and fixedly connected to the end parts of the three support arms, and the center position of the three-fork-shaped support is rotatably connected to the top of the rotating shaft through a bearing.
Preferably, the number of the blades is four, the support is a cross-shaped support formed by four support arms which form an angle of 90 degrees with each other, the four blades are respectively and fixedly connected to the end parts of the four support arms, and the center of the cross-shaped support is rotatably connected to the top of the rotating shaft through a bearing.
Preferably, the upper ends of the two pull ropes are respectively connected to different support arms of the one-way wind wheel support, and the lower ends of the two pull ropes are fixed at the center of the bottom of the groove.
Preferably, the groove and the barrel column are both of a cuboid structure, the middle positions of the width directions of the two sides of the length direction in the groove are respectively provided with a sliding chute along the height direction, the middle positions of the width directions of the two sides of the length direction of the barrel column are respectively provided with a guide rail along the height direction, and the sliding chutes and the guide rails are matched to provide guidance for the movement of the barrel column.
Preferably, the vent flap includes the connecting plate with a barrel post fixed connection, and the position that the below of connecting plate corresponds the vent sets up one and vent matched with apron, the connecting plate sets up to the arc, and is unanimous with big-arch shelter body top appearance, and its length is greater than the length of vent, and when the barrel post descends, apron and vent closely cooperate, and the connecting plate covers in vent top periphery, guarantees sealedly.
Preferably, the supporting force of the spring is larger than the total weight of the cylinder and the unidirectional wind wheel.
Preferably, a winch is fixedly arranged at the bottom in the greenhouse body, a traction rope is fixedly connected to the middle position of the bottom of the cylinder column, and the other end of the traction rope penetrates through the bottom of the groove, extends into the greenhouse body and is wound on a winding drum of the winch; when wind power is not enough to enable the one-way wind wheel to rotate and the vent needs to be closed, the winding machine winds the traction rope to pull the barrel column to descend, and the vent is closed.
Compared with the prior art, ventilation unit simple structure, convenient operation can close the vent with the help of wind-force according to the wind-force size, prevents that wind-force increase suddenly or when blowing out etc. can't in time close the vent at night, and powerful wind passes through the vent and damages the canopy membrane.
[ description of the drawings ]
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the ventilation device of the present invention;
FIG. 2 is a top view of a unidirectional wind rotor comprising three blades;
FIG. 3 is a top view of a unidirectional wind rotor comprising four blades;
fig. 4 is a top view of the groove of the present invention;
fig. 5 is a top view of the column of the present invention;
wherein, 1-the greenhouse body; 101-a fixed plate; 102-a support bar; 2-a vent; 3-vent cover; 301-connecting plate; 302-a cover plate; 4-a groove; 401-a chute; 5-a cylindrical column; 501-a guide rail; 6-one-way wind wheel; 601-a blade; 602-a support; 603-a rotating shaft; 7-pulling a rope; 8-a spring; 9-a traction rope; 10-a winch.
[ detailed description ] embodiments
To make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described below with reference to the accompanying drawings and specific embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the utility model provides a ventilation device with a vent capable of being automatically closed, which comprises a greenhouse body 1, wherein the greenhouse body 1 consists of a greenhouse framework and a plastic film covered on the outer surface of the greenhouse framework; a fixing plate 101 is horizontally arranged above the inside of the greenhouse body 1, a groove 4 is arranged above the fixing plate 101 and in the middle of the top of the greenhouse body 1, two sides of the groove 4 above the fixing plate 101 in the length direction are respectively and vertically provided with a supporting rod 102, and the fixing plate 101 and the supporting rods 102 are used for supporting the groove 4 (namely, the bottom of a plastic film at the groove 4 is fixedly connected with the fixing plate 101, and the side surface of the plastic film is fixedly connected with the supporting rods 102); a vent 2 is arranged on one side, close to a groove 4, of the top of the greenhouse body 1, a cylinder column 5 is connected in the groove 4 in a sliding mode along the vertical direction of the groove, a vent cover 3 is fixedly connected to one side, close to the vent 2, of the cylinder column, a spring 8 is arranged at the bottom of the cylinder column 5, and two ends of the spring 8 are fixedly connected with the bottom of the cylinder column and the bottom of the groove respectively; a rotating shaft 603 is fixedly arranged at the top of the cylindrical column 5, the top of the rotating shaft 603 is rotatably connected with a one-way wind wheel 6, the one-way wind wheel 6 comprises blades 601, one surface of each blade 601 is a concave surface, the other surface of each blade 601 is a convex surface, the concave surfaces of all the blades are arranged along the same direction, and the blades 601 are connected to the top of the rotating shaft 603 through a support 602; two pull ropes 7 (the pull ropes are non-elastic pull ropes with strong bearing capacity) are connected to the unidirectional wind wheel 6, and the other ends of the pull ropes 7 are fixed at the bottom of the groove 4.
As shown in fig. 1, the vent cover 3 comprises a connecting plate 301 fixedly connected with the column 5, the connecting plate 301 is arc-shaped and is consistent with the top of the greenhouse body in shape, the length and the width of the connecting plate are both larger than the vent, and a cover plate 302 matched with the vent 2 is fixedly arranged below the connecting plate 301 corresponding to the position of the vent 2; when the cylinder 5 descends, the cover plate 302 is tightly matched with the vent 2, and the connecting plate 301 covers the periphery of the top of the vent 2 to ensure the sealing property.
Preferably, as shown in fig. 2, three blades 601 are provided, the bracket 602 is a three-fork shaped bracket composed of three arms forming an angle of 60 ° with each other, the three blades 601 are respectively fixedly connected to the ends of the three arms, and the center position of the three-fork shaped bracket is rotatably connected to the top of the rotating shaft through a bearing.
Preferably, as shown in fig. 3, the number of the blades 601 is four, the bracket 602 is a cross-shaped bracket formed by four support arms forming an angle of 90 ° with each other, the four blades 601 are fixedly connected to the ends of the four support arms, respectively, and the center position of the cross-shaped bracket is rotatably connected to the top of the rotating shaft 603 through a bearing.
Preferably, the upper ends of the two pull ropes 7 are respectively connected to different arms of the one-way wind wheel bracket 602, and the lower ends are fixed at the central position of the cylindrical column 5.
Preferably, as shown in fig. 4 and 5, the groove 4 and the column 5 are both configured as a rectangular parallelepiped structure, a sliding groove 401 is respectively disposed in the groove 4 at the middle position of the width direction of the two sides in the length direction along the height direction, a guide rail 501 is respectively disposed in the middle position of the width direction of the two sides in the length direction of the column 5 along the height direction, and the sliding groove 401 and the guide rail 501 cooperate to provide a guide for the movement of the column 5.
Preferably, as shown in fig. 1, a winch 10 is fixedly arranged at the bottom in the greenhouse body 1, a traction rope 9 is fixedly connected to the middle position of the bottom of the cylindrical column 5, and the other end of the traction rope 9 penetrates through the bottom of the groove 4, extends into the greenhouse body 1 and is wound on a winding drum of the winch 10; when wind power is insufficient to enable the one-way wind wheel to rotate and the ventilation opening needs to be closed, the winding machine 10 winds the traction rope to pull the barrel column 5 to descend, and the ventilation opening is closed.
Ventilation unit's theory of operation: when the wind power exceeds five levels (due to the dead weight of the unidirectional wind wheel, the wind power can be blown to rotate when the wind power exceeds five levels), the concave surface of the unidirectional wind wheel blade 601 is stressed, so that the unidirectional wind wheel 6 is ensured to always rotate towards the same direction, two pull ropes 7 fixed on the unidirectional wind wheel 6 are wound and shortened, when the downward pulling force of the pull ropes 7 is greater than the supporting force of a spring 8, the pull ropes 7 pull a cylinder column 5 to descend, the cylinder column 5 drives a vent cover 3 to descend until the vent cover 2 is covered, at the moment, the cylinder column has no descending space, and the two pull ropes are mutually wound and simultaneously wound on the unidirectional wind wheel 6, so that the unidirectional wind wheel 6 does not rotate any more; when the wind power is reduced, the pull rope 7 is automatically unbundled, the supporting force of the spring 8 is greater than the pulling force of the pull rope 7, the spring 8 jacks up the cylinder column 5, and the vent cover 3 is opened; when the wind power is lower than five levels and the ventilation opening needs to be closed, the traction rope 9 is wound by the winch 10, the traction rope 9 pulls the barrel column 5 to descend, and the ventilation opening 2 is closed.
Claims (9)
1. The utility model provides a ventilation unit for big-arch shelter, its characterized in that, the top intermediate position of big-arch shelter body sets up a recess, and one side that big-arch shelter body top is close to the recess sets up a vent, follow its vertical direction sliding connection barrel mast in the recess, one side fixed connection venthole lid that the barrel mast is close to the vent, set up a spring between the bottom of barrel mast and the recess, the top of barrel mast is fixed and is set up a pivot, the top of pivot is rotated and is connected an one-way wind wheel, connect two stay cords on the one-way wind wheel, the other end of stay cord is fixed respectively in the bottom of recess.
2. The ventilation apparatus of claim 1, wherein the supporting force of the spring is larger than the total weight of the column and the unidirectional wind wheel.
3. The ventilation device according to claim 1, wherein the unidirectional wind wheel comprises blades, one surface of each blade is a concave surface, the other surface of each blade is a convex surface, the concave surfaces of all the blades are arranged along the same direction, and the blades are connected to the top of the rotating shaft through a support.
4. The ventilating device as defined in claim 3, wherein said three blades are provided, said support is a three-forked support consisting of three arms forming an angle of 60 ° with each other, three blades are fixedly connected to the ends of the three arms, respectively, and the center of the three-forked support is rotatably connected to the top of the rotating shaft through a bearing.
5. The ventilating device as defined in claim 3, wherein said blades are four, said frame is a cross frame comprising four arms forming 90 degrees with each other, said four blades are fixedly connected to the ends of said four arms, respectively, and the center of said cross frame is rotatably connected to the top of said rotating shaft through a bearing.
6. A ventilation device according to claim 4 or 5, wherein the upper ends of the two pull ropes are respectively connected to different arms of the unidirectional wind wheel bracket, and the lower ends of the two pull ropes are fixed at the central position of the bottom of the groove.
7. The ventilation device according to claim 1, wherein the groove and the column are each configured as a rectangular parallelepiped, a sliding groove is respectively disposed at a middle position in a width direction of both sides in a length direction of the groove along a height direction thereof, a guide rail is respectively disposed at a middle position in a width direction of both sides in a length direction of the column along a height direction thereof, and the column and the groove are slidably connected to the guide rail through the sliding groove.
8. The ventilation device as claimed in claim 1, wherein the vent cover comprises a connecting plate fixedly connected with the barrel pillar, a cover plate matched with the vent is fixedly arranged below the connecting plate corresponding to the vent, the connecting plate is arc-shaped and is consistent with the top of the greenhouse body in shape, and the size of the connecting plate is larger than that of the vent.
9. The ventilation device as claimed in claim 1, wherein a winding machine is fixedly arranged at the bottom of the greenhouse body, a traction rope is fixedly connected to the middle position of the bottom of the cylindrical column, and the other end of the traction rope passes through the bottom of the groove, extends into the greenhouse body and is wound on a winding drum of the winding machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022037072.7U CN213095196U (en) | 2020-09-16 | 2020-09-16 | Ventilation unit for big-arch shelter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022037072.7U CN213095196U (en) | 2020-09-16 | 2020-09-16 | Ventilation unit for big-arch shelter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213095196U true CN213095196U (en) | 2021-05-04 |
Family
ID=75662889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022037072.7U Expired - Fee Related CN213095196U (en) | 2020-09-16 | 2020-09-16 | Ventilation unit for big-arch shelter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213095196U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114747404A (en) * | 2022-02-28 | 2022-07-15 | 高玉民 | Grape planting arch shed ventilation and heat dissipation device and using method thereof |
-
2020
- 2020-09-16 CN CN202022037072.7U patent/CN213095196U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114747404A (en) * | 2022-02-28 | 2022-07-15 | 高玉民 | Grape planting arch shed ventilation and heat dissipation device and using method thereof |
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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: 20210504 |
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| CF01 | Termination of patent right due to non-payment of annual fee |