CN214424723U

CN214424723U - Centrifugal ventilator

Info

Publication number: CN214424723U
Application number: CN202120038217.7U
Authority: CN
Inventors: 田运华
Original assignee: Pepper Prince Chongqing Food Co ltd
Current assignee: Pepper Prince Chongqing Food Co ltd
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-10-19
Anticipated expiration: 2031-01-08

Abstract

The utility model discloses a centrifugal fan, which comprises an installation block, wherein the top of the installation block is fixedly connected with a centrifugal fan body, one side of the centrifugal fan body is provided with an air inlet, the top of the centrifugal fan body is provided with an air outlet, the bottom of the installation block is provided with a fixed base, an installation mechanism is arranged in the fixed base, one side of the centrifugal fan body is fixedly connected with a fixed ring, the side wall of the fixed ring is in threaded connection with a protective cover, the surface of the protective cover is provided with a through groove, and the inner wall of the through groove is fixedly connected with a steel wire mesh; installation mechanism is including seting up the mounting groove at unable adjustment base's top, the holding tank has all been seted up to four inside walls of mounting groove. The utility model discloses in, through installation mechanism's design, can make its efficiency of dismantling work obtain improving greatly, through the simple protective cover of design and wire net, can prevent that the foreign matter from passing through the air intake and getting into the centrifugal fan body.

Description

Centrifugal ventilator

Technical Field

The utility model relates to a ventilation blower technical field especially relates to a centrifugal fan.

Background

The centrifugal ventilator belongs to one kind of impeller machinery, is widely applied to various fields of energy, environment, aviation and the like, and is one of main energy consumption devices in industrial and agricultural production. The centrifugal ventilator is one of four major parts in a dust removal ventilation system, is a relatively precise operation machine, forms negative pressure in the fan by means of rotation of an impeller, sucks outside air and discharges the outside air out of the fan through an impeller flow channel and a volute, has the same principle as the centrifugal ventilator, has a slightly larger number of blades on the impeller than the centrifugal fan, is relatively short, is normally bent forwards, and is a backward bent blade.

With the development and progress of the society, the application of the centrifugal ventilator in daily life is more and more common, most of the centrifugal ventilators are installed and fixed through expansion bolts at present, the centrifugal ventilator is not easy to disassemble and maintain in the installation mode, and a large amount of manpower and material resources are consumed during disassembly; most of air inlets of the existing centrifugal fans are exposed, and after the impeller rotates at a high speed, the existing centrifugal fans have great potential safety hazards, so that a new centrifugal fan is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a centrifugal ventilator.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a centrifugal fan comprises an installation block, wherein the top of the installation block is fixedly connected with a centrifugal fan body, one side of the centrifugal fan body is provided with an air inlet, the top of the centrifugal fan body is provided with an air outlet, the bottom of the installation block is provided with a fixed base, an installation mechanism is arranged in the fixed base, one side of the centrifugal fan body is fixedly connected with a fixed ring, the side wall of the fixed ring is in threaded connection with a protective cover, the surface of the protective cover is provided with a through groove, and the inner wall of the through groove is fixedly connected with a steel wire mesh;

installation mechanism is including seting up the mounting groove at unable adjustment base's top, the holding tank has all been seted up to four inside walls of mounting groove, four the equal sliding connection of lateral wall of holding tank has the dog, be provided with the spring between dog and the holding tank, the fixed slot has all been seted up to four lateral walls of unable adjustment base, the intercommunication groove has been seted up to one side of fixed slot, the draw-in groove has all been seted up to four lateral walls of installation piece.

As a further description of the above technical solution:

the mounting groove is corresponding to the mounting block, the fixing ring is corresponding to the air outlet, and the clamping groove is corresponding to the accommodating groove.

As a further description of the above technical solution:

the both ends of spring respectively with dog and holding tank fixed connection.

As a further description of the above technical solution:

the communicating groove is communicated with the accommodating groove, and two ends of the communicating groove are respectively located at the central positions of the accommodating groove and the fixing groove.

As a further description of the above technical solution:

the opposite inner side wall of the fixed groove is fixedly connected with a connecting rod.

As a further description of the above technical solution:

the central position of the side, close to the spring, of the stop block is fixedly connected with a rope, the rope penetrates through the spring and the communicating groove, and the other end of the rope is wound and fixed on the outer wall of the connecting rod.

As a further description of the above technical solution:

the lateral wall fixedly connected with of protective cover a plurality of handles that evenly set up.

The utility model discloses following beneficial effect has:

1. the utility model provides a centrifugal fan compares with traditional centrifugal fan, this centrifugal fan simple structure, convenient and practical, through handle, protective cover, solid fixed ring and the wire net that the design is simple, can prevent that the foreign matter from passing through the air intake and getting into the centrifugal fan body, and can avoid the emergence of incident, and the installation of protective cover is dismantled very conveniently moreover.

2. This centrifugal fan's structure and design all have great innovation and improvement, and this centrifugal fan design has installation mechanism, when dismantling the maintenance to this centrifugal fan, only need stimulate the rope again, leaves the draw-in groove completely until the dog, again with the rope fixed winding to the connecting rod on, again with the centrifugal fan body take out the mounting groove can to make its efficiency of dismantling work obtain improving greatly, can save a large amount of manpower and materials, be worth wideling popularize.

Drawings

Fig. 1 is a front view of a centrifugal fan according to the present invention;

fig. 2 is a front view structural diagram of a centrifugal fan according to the present invention;

fig. 3 is a side view structural diagram of a centrifugal fan body in a centrifugal fan according to the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 2.

Illustration of the drawings:

1. mounting blocks; 2. a centrifugal fan body; 3. an air inlet; 4. an air outlet; 5. a fixed base; 6. an installation mechanism; 7. a fixing ring; 8. a protective cover; 9. steel wire mesh; 10. a handle; 601. mounting grooves; 602. a connecting rod; 603. accommodating grooves; 604. a stopper; 605. a spring; 606. fixing grooves; 607. a communicating groove; 608. a clamping groove.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a centrifugal ventilator comprises an installation block 1, wherein the top of the installation block 1 is fixedly connected with a centrifugal ventilator body 2, one side of the centrifugal ventilator body 2 is provided with an air inlet 3, the top of the centrifugal ventilator body 2 is provided with an air outlet 4, the bottom of the installation block 1 is provided with a fixed base 5, an installation mechanism 6 is arranged in the fixed base 5, one side of the centrifugal ventilator body 2 is fixedly connected with a fixed ring 7, the side wall of the fixed ring 7 is in threaded connection with a protective cover 8, the surface of the protective cover 8 is provided with a through groove, the inner wall of the through groove is fixedly connected with a steel wire mesh 9, the protective cover 8 can be installed on the fixed ring 7 through a handle 10, and the arrangement of the steel wire mesh 9 can prevent foreign matters from entering the centrifugal ventilator body 2 through the air inlet 3 and can avoid safety accidents;

installation mechanism 6 is including seting up the mounting groove 601 at unable adjustment base 5's top, holding tank 603 has all been seted up to four inside walls of mounting groove 601, the equal sliding connection of the lateral wall of four holding tanks 603 has dog 604, be provided with spring 605 between dog 604 and the holding tank 603, the setting of spring 605 can make the inseparable block of dog 604 in draw-in groove 608, fixed slot 606 has all been seted up to four lateral walls of unable adjustment base 5, intercommunication groove 607 has been seted up to one side of fixed slot 606, draw-in groove 608 has all been seted up to four lateral walls of installation piece 1.

The mounting groove 601 corresponds to the mounting block 1, the fixing ring 7 corresponds to the air outlet 4, the clamping groove 608 corresponds to the receiving groove 603, two ends of the spring 605 are respectively and fixedly connected with the block 604 and the receiving groove 603, the communicating groove 607 is communicated with the receiving groove 603, two ends of the communicating groove 607 are respectively positioned at the central positions of the receiving groove 603 and the receiving groove 606, the opposite inner side wall of the receiving groove 606 is fixedly connected with the connecting rod 602, the central position of one side of the block 604 close to the spring 605 is fixedly connected with the rope, the rope penetrates through the spring 605 and the communicating groove 607, the other end of the rope is wound and fixed on the outer wall of the connecting rod 602, the rope can be separated from the outer wall of the connecting rod 602, the rope is pulled again to enable the block 604 to slide along the inner wall of the receiving groove 603 until the block 604 completely leaves the clamping groove 608, then the rope is fixedly wound on the connecting rod 602, the state that the block 604 completely leaves the clamping groove 608 is maintained, the centrifugal fan body 2 can be taken out from the mounting groove 601, the outer side wall of the protecting cover 8 is fixedly connected with a plurality of handles 10 which are uniformly arranged.

The working principle is as follows: the utility model provides a centrifugal fan has great improvement innovation, when using the centrifugal fan, the protective cover 8 is arranged on the fixed ring 7 through the handle 10, the arrangement of the steel wire mesh 9 can prevent foreign matters from entering the centrifugal fan body 2 through the air inlet 3, and safety accidents can be avoided; when the centrifugal fan is detached and maintained, the rope is detached from the outer wall of the connecting rod 602 and pulled again to enable the stopper 604 to slide along the inner wall of the accommodating groove 603 until the stopper 604 completely leaves the clamping groove 608, then the rope is fixedly wound on the connecting rod 602 to keep the state that the stopper 604 completely leaves the clamping groove 608, and then the centrifugal fan body 2 is taken out of the accommodating groove 601.

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 centrifugal ventilator comprising a mounting block (1), characterized in that: the top of the mounting block (1) is fixedly connected with a centrifugal fan body (2), one side of the centrifugal fan body (2) is provided with an air inlet (3), the top of the centrifugal fan body (2) is provided with an air outlet (4), the bottom of the mounting block (1) is provided with a fixed base (5), an installation mechanism (6) is arranged in the fixed base (5), one side of the centrifugal fan body (2) is fixedly connected with a fixed ring (7), the side wall of the fixed ring (7) is in threaded connection with a protective cover (8), the surface of the protective cover (8) is provided with a through groove, and the inner wall of the through groove is fixedly connected with a steel wire mesh (9);

installation mechanism (6) are including seting up mounting groove (601) at the top of unable adjustment base (5), holding tank (603), four have all been seted up to four inside walls of mounting groove (601) four equal sliding connection of the lateral wall of holding tank (603) has dog (604), be provided with spring (605) between dog (604) and holding tank (603), fixed slot (606) have all been seted up to four lateral walls of unable adjustment base (5), intercommunication groove (607) have been seted up to one side of fixed slot (606), draw-in groove (608) have all been seted up to four lateral walls of installation piece (1).

2. A centrifugal fan according to claim 1, wherein: the mounting groove (601) corresponds to the mounting block (1), the fixing ring (7) corresponds to the air outlet (4), and the clamping groove (608) corresponds to the accommodating groove (603).

3. A centrifugal fan according to claim 1, wherein: and two ends of the spring (605) are respectively and fixedly connected with the stop block (604) and the accommodating groove (603).

4. A centrifugal fan according to claim 1, wherein: the communication groove (607) is communicated with the accommodating groove (603), and two ends of the communication groove (607) are respectively positioned at the central positions of the accommodating groove (603) and the fixing groove (606).

5. A centrifugal fan according to claim 1, wherein: the opposite inner side wall of the fixing groove (606) is fixedly connected with a connecting rod (602).

6. A centrifugal fan according to claim 1, wherein: the center of one side, close to the spring (605), of the stop block (604) is fixedly connected with a rope, the rope penetrates through the spring (605) and the communication groove (607), and the other end of the rope is wound and fixed on the outer wall of the connecting rod (602).

7. A centrifugal fan according to claim 1, wherein: the outer side wall of the protective cover (8) is fixedly connected with a plurality of uniformly arranged handles (10).