CN217783821U

CN217783821U - Centrifugal fan convenient to installation is dismantled and is leaned on formula

Info

Publication number: CN217783821U
Application number: CN202221500127.6U
Authority: CN
Inventors: 黄业浩; 黄伟枝
Original assignee: Foshan Yifa Intelligent Technology Co ltd
Current assignee: Foshan Yifa Intelligent Technology Co ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-11-11
Anticipated expiration: 2032-06-16

Abstract

The utility model discloses a centrifugal fan convenient to back formula is dismantled in installation, including mounting base and centrifugal fan body, the installation screw hole has been seted up at the surface middle part of mounting base, the inside of installation screw hole is provided with set screw, the upper end surface of mounting base is provided with the buffering base device that is used for improving centrifugal fan body shock attenuation shock-absorbing buffer property, be provided with the dismantlement embedding cassette device that is used for improving centrifugal fan body dismouting convenience between the outer surface of the upper end of buffering base device and the centrifugal fan body. A centrifugal fan convenient to installation is dismantled retroverted formula can dismantle embedding cassette device through being provided with, simple structure, the simple operation changes the dismouting that can accomplish the centrifugal fan body through manual rotation for the installation of centrifugal fan body is simpler with the dismantlement, is convenient for detect the maintenance of centrifugal fan body.

Description

Centrifugal fan convenient to installation is dismantled and is leaned on formula

Technical Field

The utility model relates to a centrifugal fan technical field specifically is a centrifugal fan convenient to installation dismantles back-leaning formula.

Background

Centrifugal fans are machines that rely on input mechanical energy to increase gas pressure and discharge gas. At present, centrifugal fan is more and more extensive in the industry application, and it has the using-way flexibility, can convulsions also can blow, and efficient, low power dissipation, noise low grade advantage. The centrifugal fan can be divided into a forward tilting type, a backward tilting type and a radial type according to the structure of the blade. The case where the exit angle is less than 90 degrees is called a back-tilt type. The backward inclined centrifugal fan consists of a guide ring, a rotor blade, a stator motor and the like. The rotor blade and the stator motor of the backward tilting centrifugal fan are installed together, and the guide ring is used for ensuring that air flow uniformly enters the rotor blade so as to reduce aerodynamic noise generated by the air flow.

The installation space and the position of the existing backward-inclined centrifugal fan are limited to the congenital condition, a screw direct fixing mode is adopted more, tools are required to be used for disassembling and assembling screws, so that the equipment is relatively difficult to install and disassemble, the convenience of equipment maintenance and installation is influenced, the existing backward-inclined centrifugal fan is simple in structure and single in function, the centrifugal fan is in rigid direct contact with the ground, a damping buffer device is lacked, vibration can be generated in the working process of the centrifugal fan, the abrasion of parts of the centrifugal fan is serious, the service life of the centrifugal fan is prolonged, the vibration of the centrifugal fan can also cause looseness of an installation position, the stability of installation of the device is reduced, certain adverse effects are brought to the use process of people, and therefore the centrifugal fan convenient to install and disassemble is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem of the existence of above-mentioned prior art, provide a centrifugal fan convenient to installation dismantles heeling formula.

The utility model discloses a following technical means realizes solving above-mentioned technical problem:

the utility model provides a centrifugal fan convenient to installation is dismantled back formula, includes mounting base and centrifugal fan body, mounting threaded hole has been seted up at mounting base's surface middle part, the inside of mounting threaded hole is provided with set screw, mounting base's upper end surface is provided with the buffering base device that is used for improving centrifugal fan body shock attenuation shock-absorbing cushioning property, be provided with the dismantlement embedding cassette device that is used for improving centrifugal fan body dismouting convenience between buffering base device's the outer surface of upper end and the centrifugal fan body, can dismantle embedding cassette device including embedding seat and embedding piece, the lower extreme surface of embedding seat is provided with connecting bottom plate, the lower extreme internal surface of embedding seat is provided with the rubber protection pad, the outer wall middle part of embedding seat has seted up the connecting thread groove, the inside of connecting thread groove is provided with fastening bolt, fastening bolt's one end is provided with the turning handle, the other end of turning handle is provided with the calibration head, the upper end surface of embedding piece is provided with the connection roof, the outer wall middle part of embedding piece has seted up the location screw hole.

Further, inlay the seat and be connected the upper end surface fixed connection of bottom plate, rubber protection pad bonds with the lower extreme internal surface who inlays the seat, the quantity of connecting thread groove and positioning screw hole is two sets of, the connecting thread groove runs through the outer wall middle part of inlaying the seat, positioning screw hole runs through the outer wall middle part of inlaying the piece, just the position and the shape of positioning screw hole and connecting thread groove are the same, fastening bolt and connecting thread groove and positioning screw hole threaded connection, change the one end fixed connection with fastening bolt, calibration head and fastening bolt's other end fixed connection, the piece of inlaying can be dismantled with the inside of inlaying the seat through fastening bolt and be connected.

Furthermore, the embedding block is fixedly connected with the outer surface of the lower end of the centrifugal fan body through a connecting top plate, and the centrifugal fan body is detachably connected with the embedding seat through the embedding block.

Further, the buffer base device comprises an installation seat, a bearing plate and a buffer spring, sliding grooves are formed in the inner surfaces of the two sides of the installation seat, sliding blocks are arranged between the outer surfaces of the two sides of the bearing plate and the sliding grooves, limiting blocks are arranged at the other ends of the sliding blocks, an upper end connecting block is arranged between one end of the buffer spring and the outer surface of the lower end of the bearing plate, and a lower end connecting block is arranged between the other end of the buffer spring and the inner surface of the lower end of the installation seat.

Further, the mount pad is connected with the upper end outer fixed surface of the mounting base, the both sides surface of bearing plate passes through slider and spout sliding connection, the opposite side outer fixed surface of stopper and slider is connected, buffer spring's quantity is four groups, just buffer spring's one end is passed through the lower extreme outer fixed surface that upper end connecting block and bearing plate is connected, buffer spring's the other end is passed through the lower extreme internal fixed surface that lower extreme connecting block and mount pad and is connected, just the bearing plate passes through buffer spring and mount pad swing joint.

Furthermore, the centrifugal fan body is detachably connected with the outer surface of the upper end of the bearing plate through a detachable embedded clamping seat device, and the centrifugal fan body is movably connected with the mounting seat through the bearing plate.

Advantageous effects

Compared with the prior art, the utility model provides a centrifugal fan convenient to installation is dismantled to heeling formula possesses following beneficial effect:

1. the utility model provides a centrifugal fan convenient to installation dismantles formula of heeling, through being provided with the embedding cassette device of dismantling, the embedding piece is connected with the lower extreme surface mounting of centrifugal fan body through connecting the roof, when needs are installed centrifugal fan body, at first fix the mounting base through four groups set screw and outside, put the embedding piece of centrifugal fan body lower extreme into the embedding seat again, the embedding piece contacts with the rubber protection pad of embedding in the seat, after two sets of locating screw holes on the embedding piece and two sets of connecting thread groove on the embedding seat are aimed at, with the calibration head plug-in connection thread groove and the locating screw hole of fastening bolt one end, after rotating the handle, can fix fastening bolt and connecting thread groove and locating screw hole, accomplish the embedding piece and the fixing of embedding seat, realize the installation of centrifugal fan body is fixed, moreover, the steam generator is simple in structure, the simple operation, can accomplish the dismouting to the centrifugal fan body through manual rotation handle, make the installation and the dismantlement of centrifugal fan body simpler, be convenient for maintenance detection to the centrifugal fan body.

2. This kind of centrifugal fan convenient to installation dismantles back-tilting formula, through being provided with buffering base device, can transmit vibrations to the bearing plate when centrifugal fan body produces vibrations, the bearing plate can transmit vibrations to four buffer spring groups on, four buffer spring groups can cushion the shock attenuation to vibrations to a certain extent, play certain cushioning effect, the produced vibrations of centrifugal fan body are offset to the elastic force through buffer spring, thereby reach absorbing purpose, not only can protect this internal precision part of centrifugal fan not damaged to a certain extent, and service life is prolonged, can also avoid centrifugal fan body installation department to cause not hard up to a certain extent, and the stability of device installation is improved.

Drawings

Fig. 1 is the utility model relates to a centrifugal fan's overall structure schematic diagram convenient to installation dismantles heeling formula.

Fig. 2 is the utility model relates to a centrifugal fan's that inclines formula after convenient to installation embedding cassette device's overall structure schematic diagram dismantled.

Fig. 3 is the utility model relates to a centrifugal fan body and embedded block's connection structure schematic diagram convenient to installation dismantles centrifugal fan of heeling formula.

Fig. 4 is the utility model relates to a centrifugal fan's buffer base device's plane structure schematic diagram convenient to installation dismantlement heeling formula.

In the figure: 1. mounting a base; 2. a centrifugal fan body; 3. installing a threaded hole; 4. a set screw; 5. a buffer base device; 501. a mounting seat; 502. a chute; 503. a bearing plate; 504. a buffer spring; 505. a slider; 506. a limiting block; 507. an upper end connecting block; 508. a lower end connecting block; 6. the card seat device can be detachably embedded; 601. embedding the base; 602. embedding a block; 603. connecting the bottom plate; 604. a rubber protection pad; 605. connecting the thread groove; 606. fastening a bolt; 607. turning a handle; 608. calibrating the head; 609. connecting the top plate; 610. and positioning the threaded hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1

As shown in fig. 1, fig. 2 and fig. 3, a centrifugal fan convenient to mount and dismount a back-tilted type, including a mounting base 1 and a centrifugal fan body 2, a mounting threaded hole 3 is formed in the middle of the outer surface of the mounting base 1, a fixing screw 4 is arranged inside the mounting threaded hole 3, a buffer base device 5 for improving the damping and buffering performance of the centrifugal fan body 2 is arranged on the outer surface of the upper end of the mounting base 1, a detachable embedded card holder device 6 for improving the dismounting and mounting convenience of the centrifugal fan body 2 is arranged between the outer surface of the upper end of the buffer base device 5 and the centrifugal fan body 2, the detachable embedded card holder device 6 includes an embedded seat 601 and an embedded block 602, a connecting bottom plate 603 is arranged on the outer surface of the lower end of the embedded seat 601, a rubber protection pad 604 is arranged on the inner surface of the lower end of the embedded seat 601, a connecting threaded groove 605 is formed in the middle of the outer wall of the embedded seat 601, a fastening bolt 606 is arranged inside the connecting threaded groove, a rotating handle 607 is arranged at one end of the fastening bolt 606, an alignment head 608 is arranged at the other end of the rotating handle 607, a connecting top plate 609 is arranged on the outer wall of the embedded block 602, and a positioning threaded hole 610 is arranged in the middle of the outer wall of the embedded block 602.

The embedded seat 601 is fixedly connected with the outer surface of the upper end of the connecting bottom plate 603, the rubber protection pad 604 is adhered to the inner surface of the lower end of the embedded seat 601, the number of the connecting thread grooves 605 and the number of the positioning thread holes 610 are two, the connecting thread grooves 605 penetrate through the middle part of the outer wall of the embedded seat 601, the positioning thread holes 610 penetrate through the middle part of the outer wall of the embedded block 602, the positions and the shapes of the positioning thread holes 610 and the connecting thread grooves 605 are the same, the fastening bolt 606 is in threaded connection with the connecting thread grooves 605 and the positioning thread holes 610, the rotating handle 607 is fixedly connected with one end of the fastening bolt 606, the calibration head 608 is fixedly connected with the other end of the fastening bolt 606, and the embedded block 602 is detachably connected with the inside of the embedded seat 601 through the fastening bolt 606.

The embedded block 602 is fixedly connected with the outer surface of the lower end of the centrifugal fan body 2 through a connecting top plate 609, and the centrifugal fan body 2 is detachably connected with the embedded seat 601 through the embedded block 602.

Example 2

As shown in fig. 1 and 4, a buffer base device 5 is provided on the basis of embodiment 1, the buffer base device 5 includes an installation base 501, a bearing plate 503 and a buffer spring 504, sliding grooves 502 are provided on inner surfaces of two sides of the installation base 501, a sliding block 505 is provided between outer surfaces of two sides of the bearing plate 503 and the sliding grooves 502, a limit block 506 is provided at the other end of the sliding block 505, an upper end connection block 507 is provided between one end of the buffer spring 504 and an outer surface of a lower end of the bearing plate 503, and a lower end connection block 508 is provided between the other end of the buffer spring 504 and an inner surface of a lower end of the installation base 501.

The mounting base 501 is fixedly connected with the outer surface of the upper end of the mounting base 1, the outer surfaces of two sides of the bearing plate 503 are slidably connected with the sliding groove 502 through the sliding block 505, the limiting block 506 is fixedly connected with the outer surface of the other side of the sliding block 505, the number of the buffer springs 504 is four, one end of each buffer spring 504 is fixedly connected with the outer surface of the lower end of the bearing plate 503 through the upper end connecting block 507, the other end of each buffer spring 504 is fixedly connected with the inner surface of the lower end of the mounting base 501 through the lower end connecting block 508, and the bearing plate 503 is movably connected with the mounting base 501 through the buffer springs 504.

The centrifugal fan body 2 is detachably connected with the outer surface of the upper end of the bearing plate 503 through the detachable embedded card seat device 6, and the centrifugal fan body 2 is movably connected with the mounting seat 501 through the bearing plate 503.

Buffer base device 5 has been increased for embodiment 1, through being provided with buffer base device 5, can transmit vibrations to bearing plate 503 when centrifugal fan body 2 produces vibrations, bearing plate 503 can transmit vibrations to four group's buffer spring 504 on, four group's buffer spring 504 can be to a certain extent to vibrations buffering shock attenuation, play certain cushioning effect, the produced vibrations of centrifugal fan body 2 are offset to the elastic force through buffer spring 504, thereby reach the absorbing purpose, not only can protect the precision part in the centrifugal fan body 2 not receive the damage to a certain extent, and service life is prolonged, can also avoid centrifugal fan body 2 installation department to cause not hard up to a certain extent, and the stability of device installation is improved.

Principle of operation

The embedded block 602 is fixedly connected with the outer surface of the lower end of the centrifugal fan body 2 through the connecting top plate 609, when the centrifugal fan body 2 needs to be installed, firstly, the installation base 1 is fixed with the outside through four groups of fixing screws 4, then the embedded block 602 at the lower end of the centrifugal fan body 2 is placed in the embedded seat 601, the embedded block 602 is in contact with a rubber protection pad 604 in the embedded seat 601, after two groups of positioning threaded holes 610 in the embedded block 602 are aligned with two groups of connecting threaded grooves 605 in the embedded seat 601, a calibration head 608 at one end of a fastening bolt 606 is plugged into the connecting threaded grooves 605 and the positioning threaded holes 610, after the rotating handle 607 is rotated, the fastening bolt 606 can be fixed with the connecting threaded grooves 605 and the positioning threaded holes 610, the fixing of the embedded block 602 and the embedded seat 601 is completed, the installation and the fixing of the centrifugal fan body 2 are realized, the structure is simple, the operation is convenient, the disassembly and assembly of the centrifugal fan body 2 can be completed by manually rotating the rotating handle 607, so that the installation and the disassembly of the centrifugal fan body 2 are simpler, and the maintenance and the detection of the centrifugal fan body 2 are convenient. Through being provided with buffering base device 5, can transmit vibrations to bearing plate 503 when centrifugal fan body 2 produces vibrations, bearing plate 503 can transmit vibrations to four group's buffer spring 504 on, four group's buffer spring 504 can cushion the shock attenuation to vibrations at a certain degree, play certain cushioning effect, the produced vibrations of centrifugal fan body 2 are offset to the elastic force through buffer spring 504, thereby reach absorbing purpose, not only can protect the precision part in centrifugal fan body 2 not damaged to a certain extent, and the service life is prolonged, can also avoid centrifugal fan body 2 installation department to cause not hard up to a certain extent, and the stability of device installation is improved.

It is noted that, herein, relational terms such as first and second (first, second, and the like) and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a centrifugal fan convenient to installation is dismantled heeling formula, includes mounting base (1) and centrifugal fan body (2), its characterized in that: the outer surface middle part of mount pad (1) is seted up installation screw hole (3), the inside of installation screw hole (3) is provided with set screw (4), the upper end surface of mount pad (1) is provided with and is used for improving buffering base device (5) of centrifugal fan body (2) shock attenuation shock-absorbing cushioning performance, be provided with between the outer surface of the upper end of buffering base device (5) and centrifugal fan body (2) and be used for improving the dismantlement embedding cassette device (6) of centrifugal fan body (2) dismouting convenience, can dismantle embedding cassette device (6) including embedding seat (601) and embedding piece (602), the lower extreme surface of embedding seat (601) is provided with connecting bottom plate (603), the lower extreme internal surface of embedding seat (601) is provided with rubber protection pad (604), connecting thread groove (605) is seted up at the outer wall middle part of embedding seat (601), the inside of connecting thread groove (605) is provided with fastening bolt (606), the one end of fastening bolt (606) is provided with commentaries on classics handle (607), the other end of commentaries on classics handle (607), the embedding head (608), the embedding piece (602) is provided with the upper end location screw hole (610) of roof (610).

2. The centrifugal fan of claim 1, wherein said back-tilted fan is adapted to be easily assembled and disassembled: the embedded seat (601) is fixedly connected with the outer surface of the upper end of a connecting bottom plate (603), the rubber protection pad (604) is bonded with the inner surface of the lower end of the embedded seat (601), the number of the connecting thread grooves (605) and the number of the positioning thread holes (610) are two, the connecting thread grooves (605) penetrate through the middle part of the outer wall of the embedded seat (601), the positioning thread holes (610) penetrate through the middle part of the outer wall of an embedded block (602), the positions and the shapes of the positioning thread holes (610) and the connecting thread grooves (605) are the same, the fastening bolts (606) are in threaded connection with the connecting thread grooves (605) and the positioning thread holes (610), a rotating handle (607) is fixedly connected with one end of the fastening bolts (606), a calibration head (608) is fixedly connected with the other end of the fastening bolts (606), and the embedded block (602) is detachably connected with the inside of the embedded seat (601) through the fastening bolts (606).

3. The centrifugal fan with the back-tilting convenient to mount and dismount as claimed in claim 1, wherein: the embedded block (602) is fixedly connected with the outer surface of the lower end of the centrifugal fan body (2) through a connecting top plate (609), and the centrifugal fan body (2) is detachably connected with the embedded seat (601) through the embedded block (602).

4. The centrifugal fan with the back-tilting convenient to mount and dismount as claimed in claim 1, wherein: buffer base device (5) are including mount pad (501), bearing plate (503) and buffer spring (504), spout (502) have been seted up to the both sides internal surface of mount pad (501), be provided with slider (505) between both sides surface of bearing plate (503) and spout (502), the other end of slider (505) is provided with stopper (506), be provided with upper end connecting block (507) between the one end of buffer spring (504) and the lower extreme surface of bearing plate (503), be provided with lower extreme connecting block (508) between the other end of buffer spring (504) and the lower extreme internal surface of mount pad (501).

5. The centrifugal fan with the back-tilting convenient to mount and dismount as claimed in claim 4, wherein: the utility model discloses a buffer spring, including mount pad (501), slider (505) and spout (502), the both sides surface of bearing plate (503) passes through slider (505) and spout (502) sliding connection, the opposite side surface fixed connection of stopper (506) and slider (505), the quantity of buffer spring (504) is four groups, just the lower extreme surface fixed connection of upper end connecting block (507) and bearing plate (503) is passed through to the one end of buffer spring (504), the lower extreme internal surface fixed connection of lower extreme connecting block (508) and mount pad (501) is passed through to the other end of buffer spring (504), just bearing plate (503) pass through buffer spring (504) and mount pad (501) swing joint.

6. The centrifugal fan with the back-tilting convenient to mount and dismount as claimed in claim 4, wherein: the centrifugal fan body (2) is detachably connected with the outer surface of the upper end of the bearing plate (503) through a detachable embedded clamping seat device (6), and the centrifugal fan body (2) is movably connected with the mounting seat (501) through the bearing plate (503).