CN216691546U

CN216691546U - Jet fan for bidirectional ventilation

Info

Publication number: CN216691546U
Application number: CN202220063454.3U
Authority: CN
Inventors: 赵永刚; 叶建君
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-06-07
Anticipated expiration: 2032-01-11

Abstract

The utility model discloses a jet fan capable of performing bidirectional ventilation, which comprises an air duct, wherein a double-output-shaft motor is fixedly arranged in the air duct, a first fan blade and a second fan blade are respectively and rotatably arranged in the air duct, driven connecting discs are fixedly arranged on rotating shafts of the first fan blade and the second fan blade, connecting shafts are fixedly connected to two ends of the rotating shaft of the double-output-shaft motor, and connecting sleeves are sleeved on the surfaces of the connecting shafts and can slide along the directions of the connecting shafts. This can carry out two-way for ventilation efflux fan, through setting up two play axle motors and electro-magnet, when the outside wind direction in tunnel changes, the wind direction sensor just can trigger the electro-magnet work, make the initiative connection pad slide on the connecting axle through the connecting band, and contact with driven connection pad, thereby realize the switching of two fans in the dryer, whole course of work only needs a two play axle motors, the weight of whole ventilation blower has alleviateed greatly, thereby the installation degree of difficulty of ventilation blower has been reduced, easy to assemble more.

Description

Jet fan for bidirectional ventilation

Technical Field

The utility model relates to the technical field of ventilators, in particular to a jet fan capable of realizing bidirectional ventilation.

Background

In China, a plurality of tunnels are arranged, many of the tunnels are long, in order to ensure that oxygen in the tunnels is sufficient, a ventilator is generally required to be arranged in the middle of the tunnels for ventilation, but the wind directions of two ends of the tunnels are sometimes completely opposite, if only a single one-way ventilator is used, when the wind blowing into the tunnels is opposite to the wind direction of the ventilator, the wind blowing into the tunnels can be mutually offset, so that the ventilation effect is reduced, and a two-way ventilator is generally adopted for ventilation.

At present conventional two-way ventilation fan sets up two sets of fans mostly, then switches back and forth and realizes two-way ventilation, and such ventilation mode need correspond and set up two motors, and whole ventilation fan is fixed at the top in tunnel, adds the weight that just can the whole ventilation fan of greatly increased of a motor more to the installation degree of difficulty of ventilation fan has been increased. Therefore, the utility model provides a jet fan capable of carrying out bidirectional ventilation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a jet fan capable of realizing bidirectional ventilation, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a jet fan capable of performing bidirectional ventilation comprises an air duct, wherein a double-output-shaft motor is fixedly installed in the air duct, a first fan blade and a second fan blade are respectively rotatably installed in the air duct, driven connecting discs are fixedly installed on rotating shafts of the first fan blade and the second fan blade, connecting shafts are fixedly connected to two ends of the rotating shaft of the double-output-shaft motor, a connecting sleeve is sleeved on the surface of each connecting shaft and can slide along the direction of the corresponding connecting shaft, a driving connecting disc is fixedly connected to one end, away from the double-output-shaft motor, of each connecting sleeve, a retaining ring is rotatably installed on the surface of the rotating shaft at the left end of the double-output-shaft motor, a top ring is rotatably installed on the surface of the connecting sleeve, a compression spring is arranged between the top ring at the left end of the double-output-shaft motor and the retaining ring and sleeved on the surface of the connecting sleeve, a connecting rod is slidably installed on the surface of the double-output-shaft motor, and two ends of the connecting rod are respectively fixedly connected with the two driving connecting discs, the fixed surface of connecting rod installs the iron sheet, and the fixed surface of two play axle motors installs the electro-magnet, comes the actuation iron sheet through the electro-magnet, realizes the slip of connecting rod, and the electro-magnet is furnished with corresponding wind direction sensor, and wind direction sensor establishes in the tunnel outside, triggers the electromagnetism through wind direction sensor and switches on or off the power supply.

Preferably, the air outlet surfaces of the first fan blade and the second fan blade face the two ends of the air duct.

Preferably, the top ring is only rotatably connected with the connecting sleeve and cannot slide along the direction of the connecting sleeve, and the baffle ring can only rotate on the rotating shaft of the double-output-shaft motor and cannot slide along the direction of the rotating shaft of the double-output-shaft motor.

Preferably, the surface of the air duct is fixedly provided with a connecting seat.

Preferably, both ends of the air duct are provided with protective nets.

Preferably, friction bulges are arranged on the surfaces of the driving connecting disc and the driven connecting disc.

Advantageous effects

The utility model provides a jet fan capable of realizing bidirectional ventilation, which has the following beneficial effects:

1. this can carry out two-way for ventilation efflux fan, through setting up two play axle motors and electro-magnet, when the outside wind direction in tunnel changes, the work of electro-magnet just can be triggered to the wind direction sensor, the electro-magnet just can drive the connecting rod and slide, the connecting rod just can drive the apical ring at two play axle motor both ends, make the initiative connection pad slide on the connecting axle through the connecting sleeve, and contact with driven connection pad, thereby realize the switching of two fans in the dryer, whole course of work only needs a two play axle motors, the weight of whole ventilation blower has alleviateed greatly, thereby the installation degree of difficulty of ventilation blower has been reduced, and the installation is more convenient.

2. This can carry out two-way for ventilation efflux fan through setting up two play axle motors and electro-magnet, makes whole ventilation blower only need a two play axle motors alright realize two-way ventilation, compares traditional bi-pass ventilation blower, weight greatly reduced, and then reduced the load at tunnel top, is favorable to promoting the security, simultaneously owing to only with a two play axle motor, also practices thrift the cost more.

Drawings

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

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

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: the fan comprises a wind barrel 1, a double-output-shaft motor 2, a first fan blade 3, a second fan blade 4, a driven connecting disc 5, a connecting shaft 6, a connecting sleeve 7, a driving connecting disc 8, a retaining ring 9, a top ring 10, a compression spring 11, a connecting rod 12, an iron sheet 13, an electromagnet 14, a connecting seat 15 and a protective net 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a can carry out two-way for ventilation efflux fan, including dryer 1, fixed mounting has two play axle motors 2 in the dryer 1, the inside of dryer 1 rotates respectively and installs first flabellum 3 and second flabellum 4, and equal fixed mounting has driven connection pad 5 in the pivot of first flabellum 3 and second flabellum 4, the equal fixedly connected with connecting axle 6 in two pivot both ends that play axle motor 2, the surface cover of connecting axle 6 is equipped with adapter sleeve 7, and adapter sleeve 7 can follow the slip of connecting axle 6 direction, adapter sleeve 7 keeps away from two one end fixedly connected with initiative connection pad 8 that play axle motor 2, the pivot surface rotation of two play axle motor 2 left ends installs fender ring 9, adapter sleeve 7 surface rotation installs apical ring 10.

Be equipped with compression spring 11 between the apical ring 10 and the fender ring 9 of two play axle motor 2 left ends, and compression spring 11 suit is on the surface of adapter sleeve 7, the sliding surface mounting of two play axle motor 2 has connecting rod 12, the both ends of connecting rod 12 respectively with two initiative connection pads 8 fixed connection, the fixed surface of connecting rod 12 installs iron sheet 13, the fixed surface of two play axle motor 2 installs electro-magnet 14, come actuation iron sheet 13 through electro-magnet 14, realize the slip of connecting rod 12, electro-magnet 14 is furnished with corresponding wind direction sensor, wind direction sensor establishes outside the tunnel, trigger electro-magnet 14 through wind direction sensor and break electricity.

The air-out face of first flabellum 3 and second flabellum 4 is towards the both ends of dryer 1, top ring 10 only rotates with adapter sleeve 7 to be connected, and can not slide along adapter sleeve 7 direction, keep off ring 9 and only can rotate in the pivot of two play axle motors 2, and can not slide along the pivot direction of two play axle motors 2, the fixed surface of dryer 1 installs connecting seat 15, the both ends of dryer 1 all are equipped with protection network 16, the surface of initiative connection pad 8 and driven connection pad 5 all is equipped with the friction arch.

Through setting up two play axle motor 2 and electro-magnet 14, when the outside wind direction in tunnel changes, the wind direction sensor just can trigger electro-magnet 14 work, electro-magnet 14 just can drive connecting rod 12 and slide, connecting rod 12 just can drive the apical ring 10 at two play axle motor 2 both ends, make initiative connection pad 8 slide on connecting axle 6 through adapter sleeve 7, and contact with driven connection pad 5, thereby realize the switching of two fans in dryer 1, whole course of work only needs a two play axle motor 2, the weight of whole ventilation blower has been alleviateed greatly, thereby the installation difficulty of ventilation blower has been reduced, easy to assemble more, compare traditional bi-pass ventilation blower simultaneously, weight greatly reduced, and then the load at the top of tunnel has been reduced, be favorable to promoting the security, simultaneously because only use a two play axle motor 2, also practice thrift the cost more.

The working principle is as follows: when the bidirectional ventilator is used, after an external wind direction sensor is triggered, the electromagnet 14 is driven to be electrified, the electromagnet 14 attracts the iron sheet 13, so as to drive the connecting rod 12 to slide, at the same time, the connecting rod 12 pulls the top ring 10 at the left end of the double-output-shaft motor 2, so as to pull the driving connecting disc 8 at the left end of the double-output-shaft motor 2 open, at the same time, the first fan blade 3 stops rotating, the connecting rod 12 pushes the top ring 10 at the right end of the double-output-shaft motor 2, so that the driving connecting disc 8 at the right end of the double-output-shaft motor 2 is attached to the driven connecting disc 5 on the rotating shaft of the second fan blade 4, so as to drive the second fan blade 4 to rotate, when the wind direction is changed again, the wind direction sensor drives the electromagnet 14 to be powered off, at the same time, the connecting rod 12 is reset under the action of the compression spring 11, so as to stop the second fan blade 4, and at the same time, the first fan blade 3 rotates synchronously, so as to be under the action of the double-output-shaft motor 2, realize two-way ventilation, whole working process only needs a two play axle motor 2, has alleviateed the weight of whole ventilation blower greatly to reduce the installation degree of difficulty of ventilation blower, more easy to assemble.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a can carry out two-way for ventilation efflux fan, includes dryer (1), its characterized in that: a double-output-shaft motor (2) is fixedly arranged in the air duct (1), a first fan blade (3) and a second fan blade (4) are respectively rotatably arranged in the air duct (1), driven connecting discs (5) are respectively fixedly arranged on rotating shafts of the first fan blade (3) and the second fan blade (4), connecting shafts (6) are respectively fixedly connected at two ends of the rotating shaft of the double-output-shaft motor (2), a connecting sleeve (7) is sleeved on the surface of each connecting shaft (6), the connecting sleeve (7) can slide along the direction of the connecting shaft (6), a driving connecting disc (8) is fixedly connected at one end, far away from the double-output-shaft motor (2), of the connecting sleeve (7), a retaining ring (9) is rotatably arranged on the surface of the rotating shaft at the left end of the double-output-shaft motor (2), a top ring (10) is rotatably arranged on the surface of the connecting sleeve (7), a compression spring (11) is arranged between the top ring (10) at the left end of the double-output-shaft motor (2) and the retaining ring (9), and compression spring (11) suit is on the surface of adapter sleeve (7), the surface slidable mounting of two play axle motors (2) has connecting rod (12), the both ends of connecting rod (12) respectively with two initiative connection pads (8) fixed connection, the fixed surface of connecting rod (12) installs iron sheet (13), the fixed surface of two play axle motors (2) installs electro-magnet (14), come actuation iron sheet (13) through electro-magnet (14), realize the slip of connecting rod (12), electro-magnet (14) are furnished with corresponding wind direction sensor, wind direction sensor establishes at the tunnel outside, trigger electro-magnet (14) through wind direction sensor and switch on-off.

2. The jet fan for bi-directional ventilation according to claim 1, wherein: the air outlet surfaces of the first fan blade (3) and the second fan blade (4) face the two ends of the air duct (1).

3. The jet fan for bi-directional ventilation according to claim 1, wherein: the top ring (10) is only rotatably connected with the connecting sleeve (7) and cannot slide along the direction of the connecting sleeve (7), and the baffle ring (9) can only rotate on the rotating shaft of the double-output-shaft motor (2) and cannot slide along the rotating shaft direction of the double-output-shaft motor (2).

4. The jet fan for bi-directional ventilation according to claim 1, wherein: and the surface of the air duct (1) is fixedly provided with a connecting seat (15).

5. The jet fan for bi-directional ventilation according to claim 1, wherein: and protective nets (16) are arranged at two ends of the air duct (1).

6. The jet fan for bidirectional ventilation according to claim 1, wherein: and friction bulges are arranged on the surfaces of the driving connecting disc (8) and the driven connecting disc (5).