CN217636004U

CN217636004U - Ventilation device for ventilation engineering

Info

Publication number: CN217636004U
Application number: CN202220805475.8U
Authority: CN
Inventors: 谢沂峥; 任杉; 包晓光; 刘人菘
Original assignee: Shenzhen Heyucheng Architectural Design Co ltd
Current assignee: Shenzhen Heyucheng Architectural Design Co ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-10-21
Anticipated expiration: 2032-04-08

Abstract

The utility model discloses a ventilation device for ventilation engineering relates to ventilation engineering technical field, including square aspiration channel, the inner chamber of square aspiration channel is provided with a plurality of dwangs that are the vertical distribution of equidistant, the lateral wall lower extreme fixedly connected with dust board of dwang, a plurality of jacks that are the vertical distribution of equidistant are all seted up to the both sides inner wall of square aspiration channel, the equal fixedly connected with connecting axle in both ends face middle part of dwang, a plurality of connecting axles be located the inner chamber of a plurality of jacks respectively and with jack looks adaptation, sealed bearing has been cup jointed in the one end outside that the connecting axle is close to the dwang. The utility model discloses an at the lateral wall lower extreme fixedly connected with dust board of dwang, the equal fixedly connected with connecting axle in both ends of dwang, the torsional spring that resets has been cup jointed in the outside of connecting axle, and the dust board keeps vertical placing under the torsion dual function of gravity and torsional spring that resets, and rainwater and dust enter into the inner chamber of square aspiration channel when having avoided this device out of work.

Description

Ventilation device for ventilation engineering

Technical Field

The utility model relates to a ventilation engineering technical field, in particular to ventilation device for ventilation engineering.

Background

The ventilation engineering is a general name of air supply, air exhaust, dust removal, pneumatic transmission and system engineering of preventing and exhausting smoke, and the ventilator is a machine which increases gas pressure and exhausts gas by means of input mechanical energy, and is a driven fluid machine. Ventilators are widely used for ventilation, dust extraction and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilating and air inducing of boilers and industrial kilns; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion.

At present, current a ventilation device for ventilation engineering, the inlet scoop is carrying out inspiratory in-process, and the rainwater enters into inside air pipe easily to flow along the pipeline, if on electrical equipment is dropped to carelessness, then cause huge harm easily, secondly, the unable flexible of the most fixed mounting of current pipeline, the connection between aspiration channel and the air pipe is comparatively inconvenient. Therefore, it is necessary to provide a ventilation apparatus for ventilation engineering to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ventilation device for ventilation engineering to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a ventilation device for ventilation engineering, including square aspiration channel, the inner chamber of square aspiration channel is provided with a plurality of dwangs that are the vertical distribution of equidistant vertical, the dwang level is placed, the lateral wall lower extreme fixedly connected with dust board of dwang, a plurality of jacks that are the vertical distribution of equidistant vertical are all seted up to the both sides inner wall of square aspiration channel, the equal fixedly connected with connecting axle in both ends face middle part of dwang, it is a plurality of the connecting axle is located the inner chamber of a plurality of jacks respectively and with jack looks adaptation, the connecting axle is close to the one end outside of dwang and has cup jointed sealed bearing, sealed bearing's lateral wall and the open end inner wall fixed connection of jack, the standing groove has been seted up to the one end annular of the inside wall of jack, the inner chamber of standing groove is provided with the torsional spring that resets, the torsional spring cover is in the connecting axle outside, the both ends of torsional spring reset respectively with the inside wall of standing groove and the lateral wall fixed connection of connecting axle, a side middle part fixedly connected with fixed tube of square aspiration channel, the inner chamber of fixed tube communicates with the inner chamber of square aspiration channel.

Preferably, the outer side of the fixed pipe is movably sleeved with a first connecting pipe, and the inner wall of the first connecting pipe is attached to and connected with the outer side wall of the fixed pipe.

Preferably, a second connecting rod is arranged on the outer side of one end of the first connecting pipe, and a corrugated hose is arranged between the first connecting pipe and the second connecting rod.

Preferably, the two ends of the corrugated hose are fixedly connected with one end face of the first connecting pipe and the end face of the second connecting rod, which are close to each other, respectively, the upper end and the lower end of one side face of the square air suction pipe are fixedly connected with fixing plates, and the middle of each fixing plate is connected with a positioning bolt through threads.

Preferably, the upper side surface and the lower side surface of the first connecting pipe are both provided with positioning holes, and one ends of the two positioning bolts, which are close to each other, are respectively positioned in the inner cavities of the two positioning holes and are matched with the positioning holes.

Preferably, a connecting flange is fixedly sleeved at one end, far away from the first connecting pipe, of the outer side wall of the second connecting rod, and a plurality of through holes which are distributed at equal intervals are formed in the connecting flange.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a fixedly connected with dust board at the lateral wall lower extreme of dwang, the both ends of dwang all fixedly connected with connecting axle, the reset torsion spring has been cup jointed in the outside of connecting axle, the dust board keeps vertical placement under gravity and the torsion dual function of reset torsion spring, rainwater and dust enter into the inner chamber of square aspiration channel when having avoided this device out of work, a side middle part fixedly connected with fixed tube of square aspiration channel, the inner chamber of fixed tube communicates with the inner chamber of square aspiration channel, be the echelonment between square aspiration channel and the fixed tube, can effectively avoid this device during operation rainwater to flow into the inner chamber of fixed tube;

2. the utility model discloses a first connecting pipe has been cup jointed in the outside of first connecting pipe, and the one end outside of first connecting pipe is provided with the second connecting rod, is provided with corrugated hose between first connecting pipe and the second connecting rod, corrugated hose's both ends respectively with first connecting pipe and second connecting rod fixed connection, consequently this device wholly can stretch out and draw back, is convenient for be connected second connecting rod and air pipe more.

Drawings

Fig. 1 is a schematic sectional view of the overall structure of the present invention.

Fig. 2 is a schematic side view of the square aspiration channel structure of the utility model.

Fig. 3 is an enlarged schematic view of a structure in fig. 2 according to the present invention.

In the figure: 1. a square air suction pipe; 2. rotating the rod; 3. a dust guard; 4. a jack; 5. a connecting shaft; 6. sealing the bearing; 7. a placement groove; 8. a return torsion spring; 9. a fixed tube; 10. a first connecting pipe; 11. a second connecting rod; 12. a corrugated hose; 13. a fixing plate; 14. positioning a bolt; 15. positioning holes; 16. and (7) connecting the flanges.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a ventilation device for ventilation engineering as shown in figures 1-3, as shown in figures 1 and 2, comprising a square suction pipe 1, the inner cavity of the square suction pipe 1 is provided with a plurality of rotating rods 2 which are vertically distributed with equal spacing, the rotating rods 2 are horizontally arranged, the lower end of the outer side wall of the rotating rods 2 is fixedly connected with a dust baffle plate 3, the middle part of one side surface of the square suction pipe 1 is fixedly connected with a fixed pipe 9, the inner cavity of the fixed pipe 9 is communicated with the inner cavity of the square suction pipe 1, after rainwater enters the inner cavity of the square suction pipe 1, the fixed pipe 9 is positioned in the middle part of the square suction pipe 1, therefore, rainwater can be effectively prevented from flowing into the inner cavity of the fixed pipe 9, the outer side of the fixed pipe 9 is movably sleeved with a first connecting pipe 10, the inner wall of the first connecting pipe 10 is connected with the outer side wall of the fixed pipe 9 in a laminating way, the outer side of one end of the first connecting pipe 10 is provided with a second connecting rod 11, a corrugated hose 12 is arranged between the first connecting pipe 10 and the second connecting rod 11, two ends of the corrugated hose 12 are respectively and fixedly connected with one end face of the first connecting pipe 10 and the second connecting rod 11 which are close to each other, a connecting flange 16 is fixedly sleeved at one end of the outer side wall of the second connecting rod 11 which is far away from the first connecting pipe 10, a plurality of through holes which are distributed at equal intervals are arranged on the connecting flange 16, the corrugated hose 12 can stretch out and draw back, so that the second connecting rod 11 is more conveniently connected with a ventilation pipeline, the upper end and the lower end of one side face of the square suction pipe 1 are respectively and fixedly connected with a fixing plate 13, the middle part of the fixing plate 13 is in threaded through connection with positioning bolts 14, the upper side face and the lower side face of the first connecting pipe 10 are respectively provided with positioning holes 15, one ends of the two positioning bolts 14 which are close to each other are respectively positioned in the inner cavities of the two positioning holes 15 and are matched with the positioning holes 15, the first connecting pipe 10 is fixed to the outside of the fixed pipe 9 by screwing the positioning bolt 14 and inserting one end of the positioning bolt 14 into the inner cavity of the positioning hole 15.

As shown in fig. 3, a plurality of jacks 4 that are the vertical distribution of equidistant are all seted up at the both sides inner wall of square aspiration channel 1, the equal fixedly connected with connecting axle 5 in the middle part of the both ends face of dwang 2, a plurality of connecting axles 5 are located the inner chamber of a plurality of jacks 4 respectively and with jack 4 looks adaptation, connecting axle 5 can rotate, and then drive dwang 2 and dust board 3 and rotate, sealed bearing 6 has been cup jointed in the one end outside that connecting axle 5 is close to dwang 2, the lateral wall of sealed bearing 6 and the open end inner wall fixed connection of jack 4, the setting of sealed bearing 6 has effectively reduced the frictional force that receives when connecting axle 5 rotates, standing groove 7 has been seted up to the one end annular of the inside wall of jack 4, the inner chamber of standing groove 7 is provided with reset torsion spring 8, reset torsion spring 8 covers in the outside of connecting axle 5, reset torsion spring 8's both ends respectively with the inside wall of standing groove 7 and the lateral wall fixed connection of connecting axle 5, reset torsion spring 8 provides torsion, the gravity of deuterogamying dust board 3 self can effectively guarantee that dust board 3 keeps vertical the placing under the normal condition.

The utility model discloses the theory of operation:

when the device is used, the fixed pipe 9 is firstly sleeved outside the first connecting pipe 10, then the positioning bolt 14 is screwed, one end of the positioning bolt 14 is inserted into the inner cavity of the positioning hole 15, the fixed pipe 9 and the first connecting pipe 10 can be fixedly connected, and then the second connecting rod 11 and the ventilating pipeline are fixedly connected through the bolt and the through hole on the connecting flange 16, so that the installation of the device can be completed;

when a fan (not shown in the figure) works, air in the inner cavity of the device flows and generates negative pressure, the dust guard plate 3 rotates under the action of the negative pressure and opens the open end of the square air suction pipe 1, and at the moment, outside air can smoothly enter the inner cavity of the square air suction pipe 1; when the fan stops working, the dust guard plate 3 rotates and keeps vertical under the dual functions of self gravity and torsion of the reset torsion spring 8, so that the open end of the square air suction pipe 1 can be closed, and dust and rainwater are effectively prevented from entering the inner cavity of the square air suction pipe 1.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A ventilation device for ventilation engineering, including square aspiration channel (1), its characterized in that: the inner cavity of the square air suction pipe (1) is provided with a plurality of rotating rods (2) which are vertically distributed at equal intervals, the rotating rod (2) is horizontally arranged, the lower end of the outer side wall of the rotating rod (2) is fixedly connected with a dust board (3), the inner walls of the two sides of the square air suction pipe (1) are respectively provided with a plurality of jacks (4) which are vertically distributed at equal intervals, the middle parts of the two end surfaces of the rotating rod (2) are fixedly connected with connecting shafts (5), the connecting shafts (5) are respectively positioned in the inner cavities of the jacks (4) and are matched with the jacks (4), a sealing bearing (6) is sleeved outside one end of the connecting shaft (5) close to the rotating rod (2), the outer side wall of the sealing bearing (6) is fixedly connected with the inner wall of the opening end of the jack (4), a placing groove (7) is annularly arranged at one end of the inner side wall of the jack (4), the inner cavity of the placing groove (7) is provided with a reset torsion spring (8), the reset torsion spring (8) is sleeved outside the connecting shaft (5), two ends of the reset torsion spring (8) are respectively fixedly connected with the inner side wall of the placing groove (7) and the outer side wall of the connecting shaft (5), the middle part of one side surface of the square air suction pipe (1) is fixedly connected with a fixed pipe (9), the inner cavity of the fixed pipe (9) is communicated with the inner cavity of the square air suction pipe (1).

2. A ventilation device for ventilation engineering according to claim 1, wherein: the outer side of the fixed pipe (9) is movably sleeved with a first connecting pipe (10), and the inner wall of the first connecting pipe (10) is attached to the outer side wall of the fixed pipe (9).

3. A ventilation device for ventilation engineering according to claim 2, characterized in that: a second connecting rod (11) is arranged on the outer side of one end of the first connecting pipe (10), and a corrugated hose (12) is arranged between the first connecting pipe (10) and the second connecting rod (11).

4. A ventilation device for ventilation engineering according to claim 3, characterized in that: the utility model discloses a fan suction pipe, including corrugated hose (12), first connecting pipe (10) and second connecting rod (11), the both ends of corrugated hose (12) are respectively with a terminal surface fixed connection that is close to each other of first connecting pipe (10) and second connecting rod (11), the equal fixedly connected with fixed plate in upper and lower both ends (13) of a side of square aspiration channel (1), there is positioning bolt (14) at the middle part of fixed plate (13) through screw thread through connection.

5. A ventilation device for ventilation engineering according to claim 4, characterized in that: the upper side surface and the lower side surface of the first connecting pipe (10) are respectively provided with a positioning hole (15), and one end, close to each other, of each of the two positioning bolts (14) is respectively positioned in the inner cavities of the two positioning holes (15) and is matched with the positioning holes (15).

6. A ventilation device for ventilation engineering according to claim 5, wherein: the outer side wall of the second connecting rod (11) is far away from one end of the first connecting pipe (10), and a connecting flange (16) is fixedly sleeved on the outer side wall of the second connecting rod, and a plurality of through holes which are distributed at equal intervals are formed in the connecting flange (16).