CN109268998B

CN109268998B - Ventilation equipment

Info

Publication number: CN109268998B
Application number: CN201811008813.XA
Authority: CN
Inventors: 苟俊; 杨威
Original assignee: Zhejiang Zhongfang Architectural Design And Research Institute Co ltd
Current assignee: Zhejiang Zhongfang Architectural Design And Research Institute Co ltd
Priority date: 2018-08-31
Filing date: 2018-08-31
Publication date: 2020-06-26
Anticipated expiration: 2038-08-31
Also published as: CN109268998A

Abstract

The invention discloses a ventilation device, wherein a rotating mechanism is arranged between a first protective net and an air inlet end of a ventilation pipeline, and comprises a supporting column which is vertically and fixedly connected with the inner wall of the lower part of the ventilation pipeline, a positioning column which is provided with a rotating arm and is vertically and fixedly connected with the inner wall of the middle part of the ventilation pipeline, an elastic piece, one end of which is respectively connected between the supporting column and the rotating arm, a connecting rod, one end of which is fixedly connected with the rotating arm and the other end of which is fixedly connected with the edge of the inner side surface of the first protective net; one end of the first protective net, which is opposite to the connecting rod, abuts against the top wall of the inner side of the ventilation pipeline.

Description

Ventilation equipment

Technical Field

The invention relates to the technology of ventilation equipment, in particular to ventilation equipment.

Background

When building, can a lot of places that the air does not circulate, oxygen content is few, makes the staff can feel uncomfortable when work, and in winter construction, it is colder, need block up the entry winter protection moreover, can not ensure inside air quality like this more.

In view of this, chinese utility model patent CN207350670U discloses a ventilation equipment, including the mounting panel, the spacing frame of mounting panel installation, spacing installation rectangle box body, the first opening of rectangle box body opening, second opening and third opening, first opening installation cassette, cassette installation airstrainer, the first protection network of rectangle box body installation, rectangle box body installation motor frame the motor frame installation rotating electrical machines, rectangle box body installation fan mounting bracket, fan mounting bracket installation rotating blades, the first support of rectangle box body installation, first support installation heater strip, rectangle box body installation second support, second support installation temperature sensor.

Among the above-mentioned technical scheme, set up first, second, third opening, simultaneously the second opening part adopt the installation shutter to seal, first opening and third opening are essential among the ventilation process, and the setting of second opening has caused ventilation equipment's leakproofness to reduce, and long-term use when the condition that leaks out, then the effect of ventilation is greatly reduced just.

Another technical solution is proposed below to solve the above technical problem.

Disclosure of Invention

The invention aims to provide a ventilation device, which reduces the arrangement of openings and improves the stability of the ventilation device in work.

The technical purpose of the invention is realized by the following technical scheme:

a ventilation device comprises a rectangular ventilation pipeline, a first protective net arranged at the air inlet end of the ventilation pipeline, an air draft mechanism arranged in the ventilation pipeline, and a pipeline interface arranged at the air outlet end of the ventilation pipeline and used for being installed in a place to be ventilated, wherein a rotating mechanism is arranged between the air inlet end of the first protective net and the air inlet end of the ventilation pipeline, and comprises a supporting column vertically and fixedly connected to the inner wall of the lower part of the ventilation pipeline, a positioning column with a rotating arm and vertically and fixedly connected to the inner wall of the middle part of the ventilation pipeline, a connecting rod with one end fixedly connected to the rotating arm and the other end fixedly connected to the inner side edge of the first protective net, and; one end of the first protective net, which is opposite to the connecting rod, abuts against the top wall on the inner side of the ventilating duct; the sliding mechanism comprises a guide plate fixedly connected to the side wall of the ventilating duct and a sliding wheel rotatably connected to the first protective net, the guide plate is inclined from the air inlet end to the air outlet end of the ventilating duct, and the sliding wheel is in rolling fit with the guide plate; the side wall of the inside of the air pipeline is positioned below the guide plate and is provided with a supporting seat adjacent to the side wall, the positioning column is vertically and fixedly connected with the supporting seat, the rotating arm comprises a first lantern ring and a second lantern ring which are connected, the first lantern ring is sleeved on the positioning column and is in running fit with the positioning column, and the first lantern ring is fixedly connected with the connecting rod; a rotary table is arranged between the side part of the ventilating duct and the supporting seat, a driving motor is arranged outside the ventilating duct, an output shaft of the driving motor penetrates through the side wall of the ventilating duct, a penetrating end of the output shaft is coaxially and fixedly connected with the rotary table, a supporting shaft is arranged on the rotary table corresponding to the second sleeve ring, the supporting shaft penetrates through the second sleeve ring, the second sleeve ring is sleeved on the supporting shaft, and the supporting shaft and the second sleeve ring are in rotatable clearance fit; the rotating mechanism further comprises an elastic piece, and two ends of the elastic piece are connected between the supporting column and the supporting shaft respectively.

Adopt above-mentioned technical scheme, under the general state, the swinging boom right-hand member is rotated to the top, the left end drives first protection network downstream, make first protection network seal air pipe's air intake, when air pipe's air inlet end is opened to needs, press down the right-hand member of swinging boom, then the connecting rod that its left end is connected drives first protection network and rotates by supreme upwards down, because first protection network conflicts the inside roof of air pipe, and under slide mechanism's restriction and guiding condition, first protection network is whole upwards rotatory, its center of rotation also changes during, last first protection network can laminate air pipe's roof, the elastic component rotates certain angle along with the swinging boom, realize taut swinging boom at last. After air inlet channel opened, this kind of open mode not only can realize that the staff maintains the interior air extraction equipment, also promotes by a wide margin to the convenient degree of opening and close of first protection network simultaneously.

Preferably, the sliding mechanism comprises a guide plate fixedly connected to the side wall of the ventilation pipeline and a sliding wheel rotatably connected to the first protective net, the guide plate is inclined from the air inlet end to the air outlet end of the ventilation pipeline, and the sliding wheel is in rolling fit with the guide plate.

Adopt above-mentioned technical scheme, when first protection network rotates downwards, then the movable pulley slides downwards along the deflector, and the realization can work up to the left end of roll-off deflector, on the contrary when the movable pulley upwards slides along the deflector, realizes opening the air inlet end.

Preferably, one end of the guide plate, which is far away from the air inlet end, is horizontally extended and provided with a first extension plate.

By adopting the technical scheme, the phenomenon that the structure is unstable due to reverse retreating of the sliding wheel is avoided.

Adopt above-mentioned technical scheme, the first, second lantern ring of drive uses the reference column to rotate as rotation center, and the connecting rod is by rotating along with taking place, has realized that first protection network is rotated to side or top, makes the spring rotate the opposite side by one side simultaneously, all can play the supporting role.

By adopting the technical scheme, the driving motor drives the turntable to rotate, so that the second lantern ring is driven to rotate by taking the positioning column as a rotating center.

Preferably, the elastic member is a spring.

By adopting the technical scheme, the spring can achieve the supporting effect when the first protective net is opened or closed.

Preferably, the two ends of the spring are provided with hooks, and the two hooks are respectively hooked on the support column and the support shaft.

By adopting the technical scheme, the convenient disassembly and replacement are realized.

Preferably, the upper part of the ventilation duct is provided with a bulge part protruding upwards, and the bulge part is matched with the first protective net.

By adopting the technical scheme, the space for storing the first protective net is formed inside, so that the first protective net is prevented from deforming, and the integrity of the first protective net is protected.

Preferably, limiting plates are arranged on two sides of the protruding portion, and two ends of the first protective net respectively abut against the two limiting plates.

By adopting the technical scheme, the stability after the upward turning is improved.

Preferably, a short rod is arranged between the first sleeve ring and the second sleeve ring, and the length of the short rod is 1 cm.

Adopt above-mentioned technical scheme for the rotation of cooperation spring, if too short then be difficult to the upset, if overlength then needs great drive power to make its upset.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is an enlarged view of section I of FIG. 2;

fig. 4 is a schematic view of the present invention showing the connection of the driving motor, the turntable, the supporting shaft and the rotating arm.

Reference numerals: 1. a ventilation duct; 11. a first protection net; 2. an air draft mechanism; 3. a support pillar; 31. a positioning column; 32. an elastic member; 33. a guide plate; 331. a first extension plate; 34. a sliding wheel; 35. a connecting rod; 4. a first collar; 41. a second collar; 5. a supporting seat; 6. a support shaft; 7. a turntable; 8. a drive motor; 9. a raised portion; 10. a short rod.

Detailed Description

The following description is only a preferred embodiment of the present invention, and the protection scope is not limited to the embodiment, and any technical solution that falls under the idea of the present invention should fall within the protection scope of the present invention. It should also be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention.

Referring to fig. 1, a ventilation equipment, including being the air pipe 1 of rectangle form, the left end is air pipe 1's air inlet end, and the air inlet end is provided with first protection network 11, and the right-hand member is air pipe 1's air-out end, and the air-out end is used for installing the pipeline interface in treating the place of ventilating, and inside is close to air-out end fixedly connected with second protection network.

Referring to fig. 2, which is a schematic view of an internal structure of the ventilation duct 1, an air draft mechanism 2 is arranged in the ventilation duct 1 between the first protective net 11 and the second protective net. In this embodiment, a rotating mechanism is provided between the first protection net 11 and the air inlet end.

Specifically, with reference to fig. 3 and 4, the rotating mechanism includes a supporting column 3 vertically and fixedly connected to the inner wall of the lower portion of the ventilation duct 1; reference column 31, it sets up in air pipe 1 through 5 levels of L type supporting seat, reference column 31 is provided with the swinging boom outward, the swinging boom includes first lantern ring 4 and second lantern ring 41, back shaft 6 is worn to be equipped with by second lantern ring 41, back shaft 6 is the level setting, and be provided with elastic component 32 between back shaft 6 and the support column 3, adopt the spring as elastic component 32, the both ends of spring all are provided with the couple, two couples collude respectively and connect in support column 3 and second lantern ring 41, the change of conveniently dismantling has been realized.

The rotating mechanism further comprises a connecting rod 35, the upper end of the connecting rod is fixedly connected to the outer wall of the first sleeve ring 4, the lower end of the connecting rod is fixedly connected to the lower edge of the inner side face of the first protective net 11, a sleeve ring is fixed to the lower end of the connecting rod 35, the sleeve ring penetrates through a shaft and is in running fit with the shaft, the penetrating end of the shaft is vertically fixed to one plate, and the plate is fixedly installed on the lower edge of the first protective net 11.

A sliding mechanism is arranged between the inner side of the first protective net 11 and the ventilation duct 1, the sliding mechanism comprises a guide plate 33 fixedly connected to the side wall of the ventilation duct 1 and a sliding wheel 34 rotatably connected to the first protective net 11, the sliding wheel 34 is also rotatably arranged on the first protective net 11 through a shaft and plate structure, the guide plate 33 is inclined from the air inlet end to the air outlet end of the ventilation duct 1, and the sliding wheel 34 and the guide plate 33 are in rolling fit.

The key part of this embodiment is that the second lantern ring 41 is controlled to rotate outside the ventilation duct 1, thereby realizing that the first lantern ring 4 is driven to rotate counterclockwise, and therefore the upper end of the connecting rod 35 rotates counterclockwise as a whole, and the lower end of the first protective net 11 is linked to rotate upward, and the sliding wheel 34 can meet the top wall of the ventilation duct 1 attached to the upper end of the first protective net 11 to rotate under the supporting and guiding effects of the guide plate 33, thereby enabling the air inlet end of the ventilation duct 1 to be opened. This part is not shown in the figure, that is to say, an arc-shaped through groove is formed in the side wall of the ventilation duct 1, the through groove is penetrated out of one end of the support shaft 6, and then a handle is installed, and the second sleeve ring 41 can be driven to rotate by operating the handle by a worker.

After rotation the support shaft 6 is driven to the other side, while at the same time the spring is driven to the other side, which under the tension of the spring can tighten the support shaft 6, avoiding the occurrence of a reversal.

In addition, in order to maintain the stability of the opened first protection net 11, in the embodiment, a first extension plate 331 is horizontally extended from one end of the guide plate 33 away from the air inlet end, so as to prevent the structure from being unstable due to reverse retraction of the sliding wheel 34. The upper part of the ventilation pipeline 1 is provided with a bulge part 9 in an upward protruding manner, and the bulge part 9 is matched with a first protective net 11; the space for storing the first protective net 11 is formed inside, so that the first protective net 11 is prevented from deforming, and the integrity of the first protective net is protected. Limiting plates are arranged on two sides of the bulge part 9, and two ends of the first protective net 11 respectively abut against the two limiting plates; the stability after the upturning is improved.

In addition to the above technical solutions, the key part of the present embodiment may also be implemented by a following technical solution, where a turntable 7 is disposed between the side portion of the ventilation duct 1 and the supporting seat 5, a driving motor 8 is disposed outside the ventilation duct 1, an output shaft of the driving motor 8 penetrates through the side wall of the ventilation duct 1, and the penetrating end of the output shaft is coaxially and fixedly connected with the turntable 7, the turntable 7 is provided with a supporting shaft 6 corresponding to the second collar 41, the second collar 41 is sleeved on the supporting shaft 6, and the two are in rotatable clearance fit, the driving motor 8 drives the turntable 7 to rotate, so that the second collar 41 is driven to rotate with the positioning column 31 as a rotation center, and meanwhile, the driving motor 8 is detachably inserted into the turntable 7. When ventilation is needed, the driving motor 8 is installed on the outer wall of the ventilation pipeline 1, then the central shaft on the rotary table 7 penetrates out of the ventilation pipeline 1, then the central shaft is inserted into and fixed with the output shaft of the driving motor 8 and is driven, after operation, the first protective net 11 reaches a corresponding state, such as closing an air inlet end, then the driving motor 8 is detached from the ventilation pipeline 1, especially, the ventilation pipeline 1 is installed in a channel of a building wall body, the channel is matched with the ventilation pipeline 1, but the driving motor 8 is not easy to be placed into the channel along with the ventilation pipeline 1, so the driving motor 8 can be installed outside the channel, and then the central shaft on the rotary table 7 penetrates out of the channel and is connected with the output shaft of the driving motor 8.

Under general state, the swinging boom right-hand member is rotated to the top, the left end drives first protection network 11 and moves downwards, make first protection network 11 seal air pipe 1's air intake, when air pipe 1's air inlet end is opened to needs, press the right-hand member of swinging boom downwards, then connecting rod 35 that its left end is connected drives first protection network 11 and rotates from bottom to top upwards, because first protection network 11 conflicts the inside roof of air pipe 1, and under slide mechanism's restriction and guiding condition, first protection network 11 wholly upwards rotates, its center of rotation also changes during, last first protection network 11 can laminate air pipe 1's roof, elastic component 32 rotates certain angle along with the swinging boom, realize taut swinging boom at last. After air inlet channel opened, this kind of open mode not only can realize that the staff maintains the interior air extraction equipment, also promotes by a wide margin to the convenient degree of opening and close of first protection network 11 simultaneously.

In the two technical solutions, a short rod 10 is arranged between the first collar 4 and the second collar 41, and the length of the short rod 10 is 1 cm. The scheme is used for matching with the rotation of the spring, and the spring is not easy to overturn if the spring is too short, and needs larger driving force to overturn if the spring is too long. .

Claims

1. A ventilation device comprises a rectangular ventilation pipeline (1), a first protective net (11) arranged at the air inlet end of the ventilation pipeline (1), an air draft mechanism (2) arranged in the ventilation pipeline (1), and a pipeline interface which is arranged at the air outlet end of the ventilation pipeline (1) and is used for being installed in a place to be ventilated, it is characterized in that a rotating mechanism is arranged between the first protective net (11) and the air inlet end of the ventilation pipeline (1), the rotating mechanism comprises a supporting column (3) vertically and fixedly connected to the inner wall of the lower part of the ventilating duct (1), a positioning column (31) provided with a rotating arm and vertically and fixedly connected to the inner wall of the middle part of the ventilating duct (1), a connecting rod (35) with one end fixedly connected to the rotating arm and the other end fixedly connected to the edge of the inner side of the first protective net (11), and a sliding mechanism arranged between the inner side of the first protective net (11) and the ventilating duct (1); one end of the first protective net (11) opposite to the connecting rod (35) is abutted against the top wall of the inner side of the ventilation pipeline (1); the sliding mechanism comprises a guide plate (33) fixedly connected to the side wall of the ventilation pipeline (1) and a sliding wheel (34) rotatably connected to the first protective net (11), the guide plate (33) inclines from the air inlet end to the air outlet end of the ventilation pipeline (1), and the sliding wheel (34) is in rolling fit with the guide plate (33); the air duct (1) is characterized in that a supporting seat (5) is arranged on the side wall of the inner side wall of the air duct (1) below the guide plate (33) and adjacent to the side wall, the positioning column (31) is vertically and fixedly connected to the supporting seat (5), the rotating arm comprises a first lantern ring (4) and a second lantern ring (41) which are connected with each other, the first lantern ring (4) is sleeved on the positioning column (31) and is in running fit with the positioning column (31), and the first lantern ring (4) is fixedly connected with the connecting rod (35); a rotary table (7) is arranged between the side part of the ventilation pipeline (1) and the supporting seat (5), a driving motor (8) is arranged outside the ventilation pipeline (1), an output shaft of the driving motor (8) penetrates through the side wall of the ventilation pipeline (1) and penetrates through the end to be coaxially and fixedly connected with the rotary table (7), a supporting shaft (6) is arranged on the rotary table (7) corresponding to the second lantern ring (41), the supporting shaft (6) penetrates through the second lantern ring (41), the second lantern ring (41) is sleeved with the supporting shaft (6), and the supporting shaft (6) and the supporting shaft (41) are in rotatable clearance fit; the rotating mechanism further comprises an elastic piece (32) with two ends respectively connected between the supporting column (3) and the supporting shaft (6).

2. A ventilating device according to claim 1, wherein the end of the guiding plate (33) remote from the air inlet end is provided with a first extension plate (331) extending horizontally.

3. A ventilation device according to claim 2, characterized in that the resilient member (32) is a spring.

4. A ventilating device according to claim 3, wherein hooks are provided at both ends of the spring, and the hooks are hooked to the supporting pole (3) and the supporting shaft (6), respectively.

5. A ventilation device according to claim 4, characterized in that the ventilation duct (1) is provided with a bulge (9) protruding upwards at the upper part, and the bulge (9) is adapted to the first protective net (11).

6. A ventilation device according to claim 5, characterized in that limiting plates are arranged on both sides of the raised part (9), and both ends of the first protective net (11) respectively abut against the two limiting plates.

7. A ventilation device according to claim 6, characterized in that a short bar (10) is arranged between the first collar (4) and the second collar (41), the length of the short bar (10) being 1 cm.