CN215805306U - High efficiency combustor frequency conversion fan - Google Patents

Abstract

The utility model discloses a high-efficiency burner variable-frequency fan, which comprises a fan main body and support columns, wherein four groups of support columns which are arranged in a square shape are uniformly arranged at the bottom of the fan main body, a protection cylinder is arranged on the front surface of the fan main body, a rotating shaft is arranged on the front surface of the fan main body, and the front surface of the rotating shaft extends into the protection cylinder; the front of pivot is installed the cylinder, the screw thread post is installed in the front of cylinder. The fan blade and the accessory parts thereof arranged in the fan blade device can be conveniently disassembled and assembled, so that the parts can be conveniently cleaned, the cleanliness of each part is increased, meanwhile, the joint of the parts and the parts can be conveniently cleaned, the influence on the operation of the mutually connected parts is avoided, the telescopic spring can absorb the impact force, the loosening condition of the fastening screw is avoided, when the fastening screw is not loosened, the two groups of parts used for connecting the fastening screw in the device cannot collide, and the noise cannot be increased.

Description

High efficiency combustor frequency conversion fan

Technical Field

The utility model relates to the technical field of burners, in particular to a high-efficiency variable-frequency fan of a burner.

Background

The variable frequency fan adopts a variable frequency control technology to control the fan to operate at variable speed according to conditions, changes the rotating speed of the fan, and accordingly changes the air volume of the fan to meet the requirements of a production process, and is low in operation energy consumption and high in comprehensive benefit.

The existing device has the defects that:

1. the reference CN108708868A discloses a frequency conversion axial fan, "by the fan frame, the well cover frame, the fan impeller, the solenoid, the PCB circuit board, the ARM chip, the support chassis, the iron core body, the permanent magnet is constituteed, its main points are with the axial fan body, the trinity integration of permanent magnet brushless DC motor and controller is in the same place, detect the phase angle of motor through four hall position sensor that each other become 90o angles, adjust pulse frequency through the ARM chip, control PWM's different duty cycle, through the well cover frame, the fan impeller, the mechatronic has been realized to PCB circuit board and support chassis, its structural design is reasonable, it is exquisite succinct, make a frequency conversion axial fan's performance and reliability have had very big promotion and improvement, be convenient for large-scale production. The heat dissipation device can be widely applied to heat dissipation and cooling of high-power electronic equipment, a Central Processing Unit (CPU) or a power heating device. However, the fan impeller and the main body device in the device are not convenient to disassemble and assemble, when the device is used for a long time, the surface of the fan impeller and the surfaces of the attached parts can be stained with more impurities such as dust and the like, the integral attractiveness of the device is influenced, and meanwhile, the operation of the device can be influenced because the impurities entering the connection part between the parts are not cleaned;

2. the existing variable frequency fan mostly does not have the function of preventing loosening of all fastening screws used for fixed connection in the device, the variable frequency fan can generate large vibration sense in the operation process, certain impact force can be transmitted downwards in the vibration process, the fastening screws in the device can generate a loosening condition when being subjected to the impact force for a long time, and after the screws are loosened, collision can be generated between all parts when the device is operated, so that the decibel of noise is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-efficiency variable-frequency fan of a combustor, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a high-efficiency burner variable-frequency fan comprises a fan main body and four support columns, wherein four groups of support columns which are arranged in a square shape are uniformly arranged at the bottom of the fan main body, a protection cylinder is arranged on the front surface of the fan main body, a rotating shaft is arranged on the front surface of the fan main body, and the front surface of the rotating shaft extends into the protection cylinder;

the cylinder is installed in the front of pivot, the screw thread post is installed in the cylindrical front, the surface mounting of screw thread post has the recipient, the back of recipient is provided with the internal thread groove, and the internal thread groove passes through the screw thread gomphosis with the screw thread post to be connected, the back of recipient is provided with the ring channel, and the ring channel encircles in the outside of internal thread groove, the commentaries on classics piece is installed in the front of recipient, the top and the bottom of changeing the piece all are provided with four groups and arrange the recess in proper order from a left side to the right side.

Preferably, two groups of feet arranged side by side are arranged at the bottom of the group of the supporting columns.

Preferably, multiunit telescope tube and expanding spring are evenly installed to the bottom of footing, and expanding spring encircles and installs in the telescopic tube's the outside, and the base is installed to telescope tube and expanding spring's bottom, and two sets of enclosing frames of arranging side by side are installed to the top of base, and enclose the inner wall of frame and the outer wall laminating of footing.

Preferably, the top of the fan main body is provided with an electricity receiving box, and the outer surface of the fan main body is provided with a threaded ring.

Preferably, the outer surface of the threaded ring is provided with an annular sleeve plate in a threaded embedding manner, the back surface of the annular sleeve plate is provided with an ash-proof cover, the back surface of the ash-proof cover is uniformly provided with a plurality of groups of air inlet grooves, and the rear wall of the ash-proof cover is provided with a cooling fan.

Preferably, the outer surface of the protective cylinder is provided with a cylinder cover, and the front surface of the cylinder cover is uniformly provided with a plurality of groups of vent grooves.

Preferably, the cylindrical surface mounting has a cover post, and the front of cover post is provided with logical groove, and the back mounted of cover post has the rubber pad, and the back of rubber pad and the back wall laminating of a protection section of thick bamboo, and the surface of cover post evenly installs five flabellums that form annular distribution.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the utility model is assembled, the sleeve column can be firstly installed on the outer surface of the cylinder, then the extrusion cylinder can be aligned with the front surface of the threaded column, then the rotating block is held, and clockwise rotating force is applied to the rotating block, so that the threads of the internal thread groove and the external threads of the threaded column are mutually embedded, at the moment, the extrusion cylinder can gradually move towards the direction of the sleeve column, a worker continuously rotates the extrusion cylinder until the back surface of the extrusion cylinder extrudes the sleeve column, and the rubber pad installed on the back surface of the sleeve column is tightly attached to the rear wall of the protective cylinder, namely, the application of the rotating force is stopped, at the moment, the sleeve column and all the parts attached to the outer surface of the sleeve column can be installed in the device, and at the same time, if the sleeve column needs to be taken down from the device, counterclockwise rotating force can be applied to the rotating block, so that the internal thread groove is gradually separated from the external threads of the threaded column, then the sleeve column can be taken down from the outer surface of the round rod, thereby facilitating the disassembly and the assembly of the sleeve column and the auxiliary parts, the parts can be cleaned independently, the cleanliness of each part is improved, meanwhile, the joints of the parts and the parts can be cleaned conveniently, and the operation of the mutually connected parts is prevented from being influenced;

2. according to the utility model, the installed extension spring has larger elastic action and resetting action, when the device is in operation, the generated vibration can generate impact force on the extension spring, the impact force can be absorbed by the extension spring, the noise generated by vibration can be reduced, meanwhile, the condition that the fastening screw between the base and the placed table top is loosened is avoided, when the fastening screw is not loosened, the two groups of components connected by the fastening screw in the device cannot collide, and then the noise cannot be increased.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic view of the mounting structure of the base and the enclosure frame according to the present invention;

FIG. 4 is a schematic view of the installation structure of the threaded post, the sleeve post and the container of the present invention.

In the figure: 1. a fan main body; 101. a power receiving box; 102. a thread ring; 103. a rotating shaft; 2. a support pillar; 201. footing; 3. a telescopic sleeve; 301. a tension spring; 302. a base; 303. enclosing a frame; 4. an annular race plate; 401. an ash-proof cover; 402. an air inlet groove; 403. a heat radiation fan; 5. a protective cylinder; 501. a cylinder cover; 502. a vent channel; 6. a cylinder; 601. a threaded post; 602. sleeving a column; 603. a through groove; 604. a rubber pad; 605. a fan blade; 7. an extrusion cylinder; 701. an annular groove; 702. an internal thread groove; 703. and (6) turning the block.

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.

The first embodiment is as follows:

as shown in fig. 1 and fig. 3, a high efficiency burner variable frequency fan, including fan main body 1 and support column 2, pivot 103 is installed on the front of fan main body 1, and the front of pivot 103 extends into the inside of a protective cylinder 5, cylinder 6 is installed on the front of pivot 103, threaded column 601 is installed on the front of cylinder 6, recipient 7 is installed on the outer surface of threaded column 601, the back of recipient 7 is provided with internal thread groove 702, and internal thread groove 702 is connected with threaded column 601 through threaded engagement, the back of recipient 7 is provided with annular groove 701, and annular groove 701 encircles in the outside of internal thread groove 702, rotating block 703 is installed on the front of recipient 7, the top and the bottom of rotating block 703 all are provided with four groups of grooves arranged from left to right in proper order.

Specifically, when the fan main body 1 is started, the rotating shaft 103 arranged on the front surface of the fan main body can be driven to drive each component arranged on the outer surface of the fan main body to rotate, the cylinder 6 is used for installing the sleeve column 602, the threaded column 601 is used for installing the extrusion cylinder 7 through the inner threaded groove 702, the extrusion cylinder 7 can be embedded with the outer thread of the threaded column 601 through the inner threaded groove 702 arranged in the extrusion cylinder 7, then the extrusion cylinder is arranged in front of the sleeve column 602, then when the extrusion cylinder 7 is continuously exerted with a rotating force, the extrusion cylinder 7 can be driven to gradually move towards the direction of the sleeve column 602 until the back surface of the extrusion cylinder 7 is contacted with the sleeve column 602, meanwhile, the rubber gasket 604 arranged on the back surface of the sleeve column 602 is tightly attached to the back wall of the protective cylinder 5, namely, the application of the rotating force is stopped, at the moment, the sleeve column 602 and the accessory components thereof can be prevented from falling from the outer surface of the cylinder 6 under the long-term operation, the normal operation of the fan can be influenced, the arrangement of the annular groove 701 saves the materials required by the extrusion cylinder 7, and does not hinder the fastening effect to the socle 602, the installation of commentaries on classics piece 703 is convenient for the staff to exert the turning force to recipient 7, and the multiunit recess that its surface set up simultaneously can be close with the radian of human finger mutually, can bring comparatively comfortable experience for the staff and feel, avoids when exerting the turning force to changeing piece 703, and the finger moves on changeing piece 703, influences pivoted effect.

The outer surface of the cylinder 6 is provided with a sleeve column 602, the front surface of the sleeve column 602 is provided with a through groove 603, the back surface of the sleeve column 602 is provided with a rubber pad 604, the back surface of the rubber pad 604 is attached to the rear wall of the protective cylinder 5, and five groups of blades 605 distributed in an annular shape are uniformly arranged on the outer surface of the sleeve column 602.

Specifically, the cover post 602 is used for installing flabellum 605, the inside that leads to groove 603 has fluctuation, its fluctuation can with the mutual gomphosis of the block groove of cylinder 6 surface installation, then avoid cover post 602 to rotate at cylinder 6's surface, rubber pad 604 has certain elasticity, install the recipient 7 at screw thread post 601 surface when rotating, when producing certain extrusion force to cover post 602, its extrusion force can be backward transmitted to rubber pad 604 department, rubber pad 604 can inwards contract certain thickness when receiving the extrusion, when this device starts, pivot 103 can drive cylinder 6 and rotate, each part of later cylinder 6 surface installation can follow the equidirectional rotation, flabellum 605 can be used to mix the surrounding air this moment, be used for producing wind-force.

The top of the blower main body 1 is provided with an electricity receiving box 101, and the outer surface of the blower main body 1 is provided with a threaded ring 102.

Specifically, the wire tube is connected with the terminal box simultaneously, and the inside electric wire of spool can be connected in the terminal box, plays the effect of protection electric wire and the effect of connecting wire, and the screw thread of screw thread circle 102 can inlay in annular lagging 4's the connection of dismantling in annular lagging 4 each other with the internal thread.

A protection section of thick bamboo 5 is installed in the front of fan main part 1, and the surface mounting of a protection section of thick bamboo 5 has cover 501, and cover 501's front evenly is provided with multiunit air channel 502.

Specifically, the protective cylinder 5 is used for installing the heat dissipation fan 403, the cylinder cover 501 can increase the safety of each component inside the protective cylinder 5, which can prevent external impurities from entering the protective cylinder 5 to affect the rotation of the fan blade 605, and the ventilation groove 502 arranged on the front surface of the protective cylinder can facilitate the external air to enter the protective cylinder 5.

Example two:

as shown in fig. 2 and 4, four groups of support columns 2 that are square arrangement are evenly installed to the bottom of fan main body 1, two sets of footing 201 of arranging side by side are installed to the bottom of four groups of support columns 2, multiunit telescopic sleeve 3 and expanding spring 301 are evenly installed to the bottom of footing 201, and expanding spring 301 encircles and installs the outside at telescopic sleeve 3, base 302 is installed to telescopic sleeve 3 and expanding spring 301's bottom, two sets of frames 303 that enclose that arrange side by side are installed to the top of base 302, and enclose the inner wall of frame 303 and the outer wall laminating of footing 201.

In particular, the supporting column 2 has a certain height for lifting the main body device, the foot 201 is used for connecting with the telescopic spring 301, can be used for lifting the fan main body 1, the telescopic sleeve 3 consists of a group of hollow cylinders with larger diameter and a group of movable columns with smaller diameter, the diameter of the outer rings of the movable columns is matched with the diameter of the inner rings of the hollow cylinders, and the movable column can move up and down in the hollow cylinder under the action of external force, the telescopic spring 301 has larger elastic action and resetting function, when the device is in operation, the generated vibration may generate an impact force to the extension spring 301, and the impact force may be absorbed by the extension spring 301, so that noise due to the vibration may be reduced, meanwhile, the situation that fastening screws between the base 302 and the placed table top are loosened is avoided, the base 302 can fix the device with the placed table top through fixing screws, and the enclosing frame 303 is used for limiting the up-and-down moving area of the bottom foot 201.

The outer surface of the threaded ring 102 is provided with an annular sleeve plate 4 in a threaded embedding manner, the back surface of the annular sleeve plate 4 is provided with an ash-proof cover 401, the back surface of the ash-proof cover 401 is uniformly provided with a plurality of groups of air inlet grooves 402, and the rear wall of the ash-proof cover 401 is provided with a cooling fan 403.

Specifically, the annular sleeve plate 4 is used for installing the dust-proof cover 401, the air inlet groove 402 can facilitate external air to enter the device, and can intercept certain dust, so that the dust is prevented from affecting the operation of each part inside the device, the cooling fan 403 can drive the blades to rotate under the driving of the power part inside the cooling fan 403, and then the blades are used for stirring the surrounding air to form wind power, so that the drawing and replacing speed of the air inside the device is increased, and the dissipation speed of heat generated during the operation of the device is increased.

The working principle is as follows: when the blower main body 1 is started, the rotating shaft 103 arranged on the front surface of the blower main body can drive the cylinder 6 arranged on the outer surface of the rotating shaft to rotate, then all parts arranged on the outer surface of the cylinder 6 can rotate along the same direction, at the moment, the fan blade 605 can be used for stirring the surrounding air to generate wind power, when a worker rotates the extrusion cylinder 7 clockwise and anticlockwise through the rotating block 703, the extrusion cylinder 7 and the threaded column 601 can be correspondingly driven to be contacted with or separated from each other, then the sleeve column 602, the fan blade 605 and the accessory parts thereof can be conveniently installed and disassembled, the cleaning of the parts is further convenient, meanwhile, when the device is operated, the cooling fan 403 synchronously operates to stir the surrounding air to form the wind power, the pumping speed of the air in the device is accelerated, the heat dissipation speed generated when the device is operated is accelerated, and the vibration generated by the device can generate impact force on the expansion spring 301 when the device is operated, the impact force can be absorbed by the extension spring 301, so that the noise caused by vibration can be reduced, and meanwhile, the situation that a fastening screw between the base 302 and the placed table top is loosened can be avoided.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a high efficiency combustor frequency conversion fan, includes fan main part (1) and support column (2), its characterized in that: four groups of support columns (2) which are arranged in a square shape are uniformly arranged at the bottom of the fan main body (1), a protective cylinder (5) is arranged on the front surface of the fan main body (1), a rotating shaft (103) is arranged on the front surface of the fan main body (1), and the front surface of the rotating shaft (103) extends into the protective cylinder (5);

cylinder (6) are installed in the front of pivot (103), screw thread post (601) are installed in the front of cylinder (6), the surface mounting of screw thread post (601) has recipient (7), the back of recipient (7) is provided with interior thread groove (702), and interior thread groove (702) are connected through the screw thread gomphosis with screw thread post (601), the back of recipient (7) is provided with ring channel (701), and ring channel (701) encircle the outside in interior thread groove (702), commentaries on classics piece (703) are installed in the front of recipient (7), the top and the bottom of commentaries on classics piece (703) all are provided with the recess of arranging from a left group to the right side in proper order.

2. The variable frequency fan of the high efficiency burner of claim 1, wherein: two groups of bottom feet (201) which are arranged side by side are arranged at the bottoms of the four groups of supporting columns (2).

3. The variable frequency fan of the high efficiency burner of claim 2, wherein: multiunit telescopic tube (3) and expanding spring (301) are evenly installed to the bottom of footing (201), and expanding spring (301) encircle and install in the outside of telescopic tube (3), and base (302) are installed to the bottom of telescopic tube (3) and expanding spring (301), and two sets of enclosing frame (303) of arranging side by side are installed at the top of base (302), and enclose the inner wall of frame (303) and the outer wall laminating of footing (201).

4. The variable frequency fan of the high efficiency burner of claim 1, wherein: the top of the fan main body (1) is provided with an electricity receiving box (101), and the outer surface of the fan main body (1) is provided with a threaded ring (102).

5. The variable frequency fan of the high efficiency burner of claim 4, wherein: the outer surface of the threaded ring (102) is provided with an annular sleeve plate (4) in a threaded embedding mode, the back surface of the annular sleeve plate (4) is provided with an ash-proof cover (401), the back surface of the ash-proof cover (401) is uniformly provided with a plurality of groups of air inlet grooves (402), and the rear wall of the ash-proof cover (401) is provided with a cooling fan (403).

6. The variable frequency fan of the high efficiency burner of claim 1, wherein: the outer surface of the protective cylinder (5) is provided with a cylinder cover (501), and the front surface of the cylinder cover (501) is uniformly provided with a plurality of groups of vent grooves (502).

7. The variable frequency fan of the high efficiency burner of claim 1, wherein: the outer surface of cylinder (6) installs cover post (602), and the front of cover post (602) is provided with logical groove (603), and the back mounted of cover post (602) has rubber pad (604), and the back of rubber pad (604) and the back wall laminating of a protection section of thick bamboo (5), and the surface of cover post (602) is evenly installed five and is formed annular distribution's flabellum (605).

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