CN220524289U

CN220524289U - Unpowered ventilation device for roof

Info

Publication number: CN220524289U
Application number: CN202322140559.1U
Authority: CN
Inventors: 杨国威; 付生奎
Original assignee: Beijing Fenglong Technology Co ltd
Current assignee: Beijing Fenglong Technology Co ltd
Priority date: 2023-08-09
Filing date: 2023-08-09
Publication date: 2024-02-23
Anticipated expiration: 2033-08-09

Abstract

The utility model discloses a roof unpowered ventilation device, which solves the technical problem that rain and snow easily enter a room from a spherical impeller. The device comprises a base; the cylinder body is vertically fixed on the base, and the base and/or the cylinder body are/is used for being installed on an external building; the fixed seat is arranged on the cylinder body; the spherical impeller is rotationally connected to the fixed seat; the top cover is arranged above the spherical impeller in a shielding manner; the support rods are multiple in number and surround the periphery of the spherical impeller, the top ends of the support rods are fixedly connected with the top cover respectively, and the bottom ends of the support rods are fixedly connected with the fixing base respectively. According to the utility model, the spherical impeller is shielded and protected by the top cover, so that the risk that rain and snow enter the room through the spherical impeller is reduced, the risk of damage to the air interchanger is also reduced, and the use stability of the air interchanger is further improved.

Description

Unpowered ventilation device for roof

Technical Field

The utility model belongs to the technical field of air interchangers, and particularly relates to a roof unpowered air interchanger.

Background

Currently, greenhouses or other closed facilities and buildings are usually ventilated using ventilation devices to ensure indoor air quality. In the prior art, because the hood does not need to consume power energy, a greenhouse or other closed facilities usually adopts the hood to exchange indoor and outdoor air.

The ventilation device in the related art generally comprises a supporting seat, wherein a spherical impeller is rotatably connected to the supporting seat, and the spherical impeller automatically rotates under the action of wind power and internal and external air pressure difference and brings indoor air outdoors, so that the indoor and outdoor ventilation capability is achieved.

However, since the spherical impeller is exposed outdoors, when it is exposed to rainy and snowy weather, rain and snow can enter indoors along the spherical impeller, and even the risk of damage to the ventilator can occur, thereby affecting the stability of use of the ventilator, and there is a need for improvement.

Disclosure of Invention

In order to solve all or part of the problems, the utility model aims to provide a roof unpowered ventilation device, which can reduce the risk of rain and snow entering into a room, reduce the risk of damage to the ventilation device and improve the use stability of the ventilation device.

The utility model provides a roof unpowered ventilation device, which comprises:

a base;

the cylinder body is vertically fixed on the base, and the base or/and the cylinder body are/is used for being installed on an external building;

the fixed seat is arranged on the cylinder body;

the spherical impeller is rotationally connected to the fixed seat;

the top cover is arranged above the spherical impeller in a shielding manner;

the support rods are multiple in number and surround the periphery of the spherical impeller, the top ends of the support rods are fixedly connected with the top cover respectively, and the bottom ends of the support rods are fixedly connected with the fixing base respectively.

Optionally, the fixing base vertically slides and sets up in the barrel, be provided with elevating system on the base, elevating system is used for control the vertical motion of fixing base, and make spherical impeller get into in the barrel or follow the last port of barrel stretches out, just spherical impeller gets into in the barrel, the top cap can the closing cap the last port of barrel.

Optionally, a plurality of guide bars are vertically fixedly connected with on the base, a plurality of uide bushings are fixedly connected with on the base, and a plurality of uide bushings respectively with corresponding guide bar sliding fit.

Optionally, the edge position of the top cover is fixedly connected with a sealing flanging, and the top position of the cylinder body is provided with a sealing step groove matched with the sealing flanging.

Optionally, the lifting mechanism includes:

the top end of the lifting rod is hinged with the fixed seat, and the bottom end of the lifting rod is connected with a hinge shaft;

one end of the hinge rod is hinged with the base, the other end of the hinge rod is connected with the hinge shaft, and the hinge rod and the lifting rod form hinge fit;

the driving piece is arranged on the base and used for controlling the bottom end of the lifting rod to swing, so that the top end of the lifting rod can push the fixing seat to move vertically.

Optionally, the lifter with the pin-joint lever is provided with two sets of or multiunit respectively, every group the top of lifter respectively with the fixing base articulates, and the bottom is connected with the articulated shaft respectively, every group the one end of pin-joint lever respectively with the base articulates, and the other end respectively with corresponding the articulated shaft is connected, and makes the pin-joint lever with corresponding the lifter forms articulated cooperation, just the driving piece is used for controlling two sets of or multiunit the bottom of lifter is kept away from each other or is close to, so that two sets of or multiunit the top of lifter can promote jointly the fixing base vertical motion.

Optionally, the driving member includes:

the number of pulleys is equal to the number of the lifting rods, and the pulleys are rotationally connected to the base;

the number of the pull ropes is equal to that of the pulleys, one end of each pull rope bypasses the corresponding pulley, and the other end of each pull rope is fixed at the bottom end of the corresponding lifting rod;

when a plurality of stay ropes are synchronously pulled, the bottom ends of the lifting rods can be mutually far away, and the fixing seat is lifted.

Optionally, one ends of the pull ropes, which are far away from the corresponding lifting rods, are positioned at the same side of the base and are fixed together through buckles.

Optionally, the top cover is arranged in an arch shape, and the arch surface of the top cover faces upwards.

Optionally, the concave surface of the top cover is integrally formed and connected with a plurality of reinforcing ribs.

According to the technical scheme, the roof unpowered ventilation device provided by the utility model has the following advantages:

the device shields the protection through utilizing the top cap to spherical impeller, reduces the sleet and enters into indoor risk through spherical impeller, can also reduce the risk that breather damaged, and then improves breather's stability in use. Moreover, when breather is in the state of closing, in spherical impeller can enter into the barrel to the top cap can the upper port of closing cap barrel, utilizes barrel and top cap to realize the shielding protection to spherical impeller, can improve the shielding seal effect to spherical impeller, can also further reduce the sleet and enter into indoor risk through spherical impeller.

Additional features and advantages of the utility model will be set forth in the description which follows.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate and do not limit the utility model.

FIG. 1 is a front view of embodiment 1 of the present utility model;

FIG. 2 is a cross-sectional view of embodiment 1 of the present utility model showing a state in which a spherical impeller is lifted;

fig. 3 is a sectional view of embodiment 1 of the present utility model, showing a state in which a spherical impeller is lowered;

fig. 4 is a front view of embodiment 2 of the present utility model;

FIG. 5 is a cross-sectional view of embodiment 2 of the present utility model showing a state in which a spherical impeller is lifted;

fig. 6 is a sectional view of embodiment 2 of the present utility model, showing a state in which the spherical impeller is lowered;

fig. 7 is a front view of embodiment 3 of the present utility model;

fig. 8 is a schematic structural view of embodiment 3 of the present utility model, showing a state after the spherical impeller is lifted;

fig. 9 is a schematic structural view of embodiment 3 of the present utility model, showing a state after the spherical impeller is lowered.

Reference numerals illustrate:

1. a base; 2. a cylinder; 3. a fixing seat; 4. a spherical impeller; 5. a lifting mechanism; 51. a lifting rod; 52. a hinge shaft; 53. a hinge rod; 6. a top cover; 7. a support rod; 8. a guide rod; 9. a guide sleeve; 10. sealing and flanging; 11. sealing the step groove; 12. a driving member; 121. a pulley; 122. a pull rope; 123. a buckle; 13. reinforcing ribs.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in detail hereinafter with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be arbitrarily combined with each other.

Example 1

Referring to fig. 1, 2 and 3, an embodiment 1 of the present utility model is shown, in which a roof unpowered ventilation device is disclosed, and includes a base 1 and a cylinder 2 vertically fixedly connected to the base 1, where the base 1 and/or the cylinder are/is used for being installed on an external building. That is, the base 1 may be connected to an external building, the cylinder 2 may be connected to an external building, or the base 1 and the cylinder 2 may be connected to external buildings, respectively. In this embodiment, the external building refers to a greenhouse or other enclosed facility building.

In one embodiment, as shown in fig. 1, 2 and 3, a fixed seat 3 is vertically connected in a sliding manner in the cylinder 2, and a spherical impeller 4 is rotatably connected on the fixed seat 3. Meanwhile, a lifting mechanism 5 is arranged on the base 1, and the lifting mechanism 5 is used for controlling the fixed seat 3 to move vertically and enabling the spherical impeller 4 to enter the cylinder 2 or extend out of the upper port of the cylinder 2.

In one embodiment, as shown in fig. 1, 2 and 3, a top cover 6 is arranged above the spherical impeller 4 in a shielding manner, a plurality of support rods 7 are vertically arranged between the top cover 6 and the fixed seat 3, the top ends of the support rods 7 are respectively fixedly connected with the top cover 6, and the bottom ends of the support rods 7 are respectively fixedly connected with the fixed seat 3. When the spherical impeller 4 enters the cylinder 2, the top cover 6 can cover the upper port of the cylinder 2.

Roof unpowered breather in this embodiment shelters from the protection through utilizing top cap 6 to spherical impeller 4, reduces the sleet and enters into indoor risk through spherical impeller 4, can also reduce breather's risk of damaging, and then improves breather's stability in use. Moreover, when breather is in the state of closing, in spherical impeller 4 can enter into barrel 2 to top cap 6 can be closing cap the last port of barrel 2, utilizes barrel 2 and top cap 6 to realize the shielding protection to spherical impeller 4, can improve the shielding seal effect to spherical impeller 4, can also further reduce the risk that the sleet enters into the room through spherical impeller 4.

In one embodiment, as shown in fig. 1, 2 and 3, a plurality of guide rods 8 are vertically and fixedly connected to the base 1, a plurality of guide sleeves 9 are fixedly connected to the base 1, and the plurality of guide sleeves 9 are respectively in sliding fit with the corresponding guide rods 8, so that the guiding effect on the fixing seat 3 is improved, and the fixing seat 3 can drive the spherical impeller 4, the top cover 6 and other components to move stably and vertically.

In one embodiment, as shown in fig. 1, 2 and 3, the edge position of the top cover 6 is bent downwards to form a sealing flanging 10, and a sealing step groove 11 matched with the sealing flanging 10 is arranged at the top position of the cylinder 2, so that the sealing effect between the top cover 6 and the cylinder 2 is improved, and the shielding protection effect on the spherical impeller 4 is improved.

In one embodiment, as shown in fig. 1, 2 and 3, the lifting mechanism 5 includes a lifting rod 51 and a hinge rod 53, wherein the top end of the lifting rod 51 is hinged with the fixed seat 3, and the bottom end of the lifting rod is connected with a hinge shaft 52, one end of the hinge rod 53 is hinged with the base 1, and the other end of the hinge rod is connected with the hinge shaft 52, and the hinge rod 53 and the lifting rod 51 form a hinged fit. Meanwhile, a driving piece 12 is arranged on the base 1, and the driving piece 12 is used for controlling the bottom end of the lifting rod 51 to swing so that the top end of the lifting rod 51 can push the fixing seat 3 to move vertically.

In one embodiment, as shown in fig. 1, 2 and 3, the driving member 12 includes a pulley 121 and a pull cord 122, where the pulley 121 is rotatably connected to the base 1, and one end of the pull cord 122 bypasses the pulley 121 and the other end is fixed to the bottom end of the lifting rod 51. When the pull rope 122 is pulled, the bottom end of the lifting rod 51 can swing towards the edge position of the base 1, and at this time, the top end of the lifting rod 51 can push the fixing seat 3 to ascend. When the pull cord 122 is released, the lifting rod 51 swings reversely under the gravity of the fixing base 3 and the like, and at this time, the fixing base 3 descends.

In one embodiment, as shown in fig. 1, 2 and 3, the top cover 6 is in an arch shape, and the arch surface of the top cover 6 faces upwards, so as to improve the flow guiding effect, and enable the rain and snow falling on the top cover 6 to quickly slide down. Meanwhile, the concave surface integrated forming of the top cover 6 is connected with a plurality of reinforcing ribs 13 to improve the structural strength of the top cover 6, thereby improving the bearing capacity of the top cover 6.

According to the device, the top cover 6 is utilized to shield and protect the spherical impeller 4, so that the risk that rain and snow enter the room through the spherical impeller 4 is reduced, the risk of damage to the ventilator is also reduced, and the use stability of the ventilator is further improved.

Meanwhile, when the ventilation device is in a closed state, the spherical impeller 4 can enter the cylinder 2, the top cover 6 can cover the upper port of the cylinder 2, shielding protection of the spherical impeller 4 is achieved through the cylinder 2 and the top cover 6, shielding sealing effect of the spherical impeller 4 can be improved, and risks that rain, snow, sundries, insects and the like enter a room through the spherical impeller 4 can be further reduced.

Moreover, through the cooperation of sealed turn-ups 10 and sealed step groove 11, can also improve the sealed effect between top cap 6 and the barrel 2 to improve the shielding protection effect to spherical impeller 4, further reduce the sleet and enter indoor risk through spherical impeller 4. Meanwhile, the lifting mechanism 5 in the device is convenient to operate, and a user can quickly and conveniently control the spherical impeller 4 to lift, so that the use convenience of the ventilation device is improved.

Example 2

As shown in fig. 4, 5 and 6, embodiment 2 of the present utility model is different from embodiment 1 in that: the lifting rod 51 and the hinge rod 53 are the same in number, and are respectively provided with two or more groups, one for each group. In the present embodiment, only two sets of states are shown, that is, the number of the lifting lever 51 and the hinge lever 53 is two, respectively.

In one embodiment, as shown in fig. 4, 5 and 6, the top ends of the two lifting rods 51 are respectively hinged with the fixed seat 3, the bottom ends of the two lifting rods are respectively connected with the hinge shafts 52, one ends of the two hinge rods 53 are respectively hinged with the base 1, the other ends of the two hinge rods 53 are respectively connected with the corresponding hinge shafts 52, and the hinge rods 53 are in hinged fit with the corresponding lifting rods 51. Meanwhile, the driving member 12 is used for controlling the bottom ends of the two lifting rods 51 to be far away from or close to each other, so that the top ends of the two lifting rods 51 can jointly push the fixing seat 3 to move vertically.

In one embodiment, as shown in fig. 4, 5 and 6, the two lifting rods 51 and the hinge rod 53 are distributed at two sides of the base 1, preferably symmetrically, or alternatively, may be properly staggered, and may be selected according to practical situations, mainly for realizing stable lifting and lowering of the fixing base 3.

In one embodiment, as shown in fig. 4, 5 and 6, the number of pulleys 121 is equal to the number of groups of the lifting rods 51, in this embodiment, the number of pulleys 121 is two, and the two pulleys 121 are respectively rotatably connected to the base 1.

In one embodiment, as shown in fig. 4, 5 and 6, the number of pull ropes 122 is equal to the number of pulleys 121, in this embodiment, the number of pull ropes 122 is two, one ends of the two pull ropes 122 are respectively fixed to the bottom ends of the corresponding lifting rods 51, and the other ends respectively bypass the corresponding pulleys 121.

When the two pulling ropes 122 are pulled simultaneously, the bottom ends of the two lifting rods 51 can be separated from each other, and the fixing base 3 is lifted. When the two pulling ropes 122 are simultaneously released, the bottom ends of the two lifting rods 51 can approach each other and the fixing base 3 is lowered.

In one embodiment, as shown in fig. 4, 5, and 6, one of the pull cords 122 is wound around the upper end of the corresponding pulley 121, and the other pull cord 122 is wound around the lower end of the corresponding pulley 121, and then traverses the base 1 with both pull cords 122 being located on the same side of the base 1. At the same time, the two pull cords 122 are secured together by a clasp 123.

The design makes the end parts of the two pull ropes 122 located on the same side of the base 1, so that a user can pull the two pull ropes 122 at one side of the base 1 at the same time, and can pull only one pull rope 122, thereby realizing the ascending control of the spherical impeller 4, and being convenient and very convenient.

Example 3

As shown in fig. 7, 8 and 9, embodiment 3 of the present utility model is different from embodiment 2 in that: the lifting lever 51 and the hinge lever 53 are provided with two or more groups, respectively, each group being two or more in number. In the present embodiment, only the state in which the lifting lever 51 and the hinge lever 53 are two sets, and the number of each set is two, that is, the number of the lifting lever 51 and the hinge lever 53 is two pairs, respectively, is shown.

In one embodiment, as shown in fig. 7, 8 and 9, the top ends of each pair of lifting rods 51 are far away from each other and are respectively hinged with the fixed base 3, and at the same time, the bottom ends of each pair of two lifting rods 51 are connected with each other and are commonly connected with a hinge shaft 52.

In one embodiment, as shown in fig. 7, 8 and 9, one end of each pair of hinge rods 53 is hinged to the base 1, and the other end is connected to the corresponding hinge shaft 52, respectively, and the hinge rods 53 are brought into hinged engagement with the corresponding lifting rods 51.

In one embodiment, as shown in fig. 7, 8 and 9, two pairs of lifting rods 51 and hinging rods 53 are distributed at two sides of the base 1, preferably symmetrically, or alternatively, can be properly staggered, and can be selected according to practical situations, mainly for realizing stable lifting of the fixing seat 3.

In one embodiment, as shown in fig. 7, 8 and 9, the end of the pull rope 122 may be fixedly connected to the corresponding pair of lifting rods 51, or may be fixedly connected to any one of the corresponding pair of lifting rods 51, or may be fixed at the connection end position of the bottom of the corresponding pair of lifting rods 51, and the three modes can realize the swinging of the lifting rods 51.

The design makes lifter 51 more even to fixing base 3's thrust, and is that fixing base 3's atress effect is better promptly to make fixing base 3 can steadily go up and down, and then make spherical impeller 4 can be steady stretch out or retract from barrel 2 in the barrel 2.

It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In the description of the present utility model, the meaning of "plurality" is two or more unless specifically defined otherwise.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present utility model is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims

1. A rooftop unpowered ventilation device, comprising:

a base (1);

the cylinder body (2) is vertically fixed on the base (1), and the base (1) and/or the cylinder body (2) are/is used for being installed on an external building;

the fixed seat (3) is arranged on the cylinder body (2);

the spherical impeller (4) is rotationally connected to the fixed seat (3);

a top cover (6) which is arranged above the spherical impeller (4) in a shielding manner;

the support rods (7) are multiple in number and surround the periphery of the spherical impeller (4), the top ends of the support rods (7) are fixedly connected with the top cover (6) respectively, and the bottom ends of the support rods are fixedly connected with the fixing seat (3) respectively;

the utility model discloses a cylinder, including barrel (2), fixing base (3), top cap (6), fixing base (1), fixing base (3) vertical slip set up in barrel (2), be provided with elevating system (5) on base (1), elevating system (5) are used for control fixing base (3) vertical motion, and make spherical impeller (4) get into in barrel (2) or follow the last port of barrel (2) stretches out, just spherical impeller (4) get into in barrel (2), top cap (6) can the closing cap the last port of barrel (2).

2. The roof unpowered ventilation device according to claim 1, wherein a plurality of guide rods (8) are vertically and fixedly connected to the base (1), a plurality of guide sleeves (9) are fixedly connected to the base (1), and the guide sleeves (9) are respectively in sliding fit with the corresponding guide rods (8).

3. The roof unpowered ventilation device according to claim 1, wherein a sealing flange (10) is fixedly connected to the edge position of the top cover (6), and a sealing step groove (11) which is matched with the sealing flange (10) is arranged at the top position of the cylinder (2).

4. The rooftop unpowered ventilation device according to claim 1, characterized in that the lifting mechanism (5) comprises:

the top end of the lifting rod (51) is hinged with the fixed seat (3), and the bottom end of the lifting rod is connected with a hinge shaft (52);

a hinge rod (53), one end of which is hinged with the base (1) and the other end of which is connected with the hinge shaft (52), and the hinge rod (53) and the lifting rod (51) form hinge fit;

the driving piece (12) is arranged on the base (1) and used for controlling the bottom end of the lifting rod (51) to swing, so that the top end of the lifting rod (51) can push the fixing seat (3) to move vertically.

5. The roof unpowered ventilation device according to claim 4, wherein the lifting rod (51) and the hinging rod (53) are respectively provided with two or more groups, the top end of each group of lifting rod (51) is respectively hinged with the fixed seat (3), the bottom end of each group of lifting rod (51) is respectively connected with a hinging shaft (52), one end of each group of hinging rod (53) is respectively hinged with the base (1), the other end of each group of hinging rod is respectively connected with the corresponding hinging shaft (52), the hinging rods (53) and the corresponding lifting rods (51) form hinging coordination, and the driving piece (12) is used for controlling the bottom ends of the two or more groups of lifting rods (51) to be far away from or close to each other so that the top ends of the two or more groups of lifting rods (51) can jointly push the fixed seat (3) to vertically move.

6. The rooftop unpowered ventilation device of claim 5, wherein the drive member (12) comprises:

the number of the pulleys (121) is equal to the number of the groups of the lifting rods (51), and the pulleys are rotationally connected to the base (1);

the number of the pull ropes (122) is equal to that of the pulleys (121), one end of each pull rope (122) bypasses the corresponding pulley (121), and the other end of each pull rope is fixed at the bottom end of the corresponding lifting rod (51);

when a plurality of pull ropes (122) are synchronously pulled, the bottom ends of the lifting rods (51) can be mutually separated, and the fixing seat (3) can be lifted.

7. The roof unpowered ventilation device according to claim 6, wherein one end of the plurality of pull ropes (122) away from the corresponding lifting rod (51) is located at the same side position of the base (1) and is fixed together by a buckle (123).

8. The rooftop unpowered ventilation device according to claim 1, characterized in that the canopy (6) is arranged in an arch shape with the arch face of the canopy (6) facing upwards.

9. The roof unpowered ventilation device according to claim 8, characterized in that the concave surface of the top cover (6) is integrally connected with a plurality of reinforcing ribs (13).