CN216009010U - Detachable fan impeller - Google Patents

Abstract

The utility model discloses a detachable fan impeller in the field of fans, which comprises a rotating shaft, wherein a mounting ring is arranged on the outer side of the rotating shaft, four grooves are formed in the mounting ring, four blades are uniformly distributed on the mounting ring, a switching sheet extending into each groove is arranged at the bottom of each blade, a limiting device is respectively arranged at the left end and the right end in each groove, a clamping device used for fixing the switching sheet is arranged on the mounting ring above the limiting device, and the clamping device comprises: threaded rod, first screw thread, second screw thread, first thread bush, second thread bush and ball, threaded rod pass through the bearing and are connected with the collar rotation, and first screw thread has been seted up to half section on the right side of threaded rod, and the second screw thread has been seted up to half end on the left side of threaded rod, and first thread bush is installed to half section on the right side of threaded rod, and the second thread bush is installed to half end on the left side of threaded rod, and first thread bush and second thread bush link to each other with the threaded rod through the ball respectively. The utility model has simple structure and convenient installation and disassembly.

Description

Detachable fan impeller

Technical Field

The utility model relates to the field of fans, in particular to a detachable fan impeller.

Background

The fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. The blower is a Chinese habit abbreviation for gas compression and gas conveying machinery, and the blower generally comprises a ventilator, a blower and a wind driven generator.

Most of the blades of the existing fan are welded together, and if the blades are damaged, the maintenance is inconvenient, so that the fan impeller convenient to mount and dismount is urgently required to be developed aiming at the current situation so as to overcome the defects in the current practical application and meet the current requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a detachable fan impeller to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a detachable fan wheel, includes the axis of rotation, the collar is installed in the outside of axis of rotation, four recesses have been seted up on the collar, the equipartition has four blades, every on the collar the inside switching piece that extends to the recess is all installed to the bottom of blade, a stop device is installed respectively at both ends about the inside of recess, stop device's top is installed the clamping device who is used for fixed switching piece on the collar, clamping device includes: threaded rod, first screw thread, second screw thread, first thread bush, second thread bush and ball, the threaded rod passes through the bearing and is connected with the collar rotation, first screw thread has been seted up to half section on the right side of threaded rod, the second screw thread has been seted up to half end on the left side of threaded rod, first thread bush is installed to half section on the right side of threaded rod, second thread bush is installed to half end on the left side of threaded rod, first thread bush and second thread bush link to each other with the threaded rod through the ball respectively, offer the U type groove that is used for the threaded rod to pass on the switching piece.

As a further scheme of the utility model: the four grooves are circularly and uniformly distributed on the mounting ring.

As a still further scheme of the utility model: the stop device includes: the guide rod is installed in the sleeve and extends to the outside of the sleeve, the guide rod is connected with the sleeve in a sliding mode, one end of the guide rod is elastically connected with the sleeve through the spring, the other end of the guide rod is connected with the limiting cam, and the limiting cam is attached to the adapter plate.

As a still further scheme of the utility model: the first thread and the second thread are opposite in rotation direction.

As a still further scheme of the utility model: the right end of the threaded rod is provided with a rotating handle.

Compared with the prior art, the utility model has the beneficial effects that: this detachable fan impeller, during the installation, insert the switching piece earlier in the recess, elasticity through the spring drives guide arm and spacing cam and cliies the switching piece, then, twist and move the rotation handle, it rotates to drive the threaded rod through rotating the handle, rotate through the threaded rod and drive first thread bush and second thread bush relative motion, make first thread bush and second thread bush be close to each other, it is tight to connect the piece tightly through first thread bush and second thread bush cooperation, during the dismantlement, twist and move the rotation handle, make first thread bush and second thread bush keep away from each other, can extract the switching piece from the recess, it is more convenient to make the installation and dismantle. In conclusion, the utility model has simple structure and convenient assembly and disassembly.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a view from A-A in the structural schematic diagram of the present invention.

Fig. 3 is a partial view at B of fig. 2 of the present invention.

Fig. 4 is a perspective view of the blade of the present invention.

In the figure: 1-rotating shaft, 2-mounting ring, 201-groove, 3-blade, 301-adapter sheet, 302-U-shaped groove, 4-limiting device, 401-sleeve, 402-spring, 403-guide rod, 404-limiting cam, 5-clamping device, 501-threaded rod, 502-first thread, 503-second thread, 504-first thread sleeve, 505-second thread sleeve, 506-ball and 6-rotating handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.

In the description of the embodiments of the present invention, it should be noted that the terms "first", "second" and "third" are used for the sake of clarity in describing the numbering of the components of the product and do not represent any substantial difference, unless explicitly stated or limited otherwise. The directions of "up", "down", "left" and "right" are all based on the directions shown in the attached drawings. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

It is to be understood that, unless otherwise expressly specified or limited, the term "coupled" is used broadly, and may, for example, refer to directly coupled devices or indirectly coupled devices through intervening media. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.

Examples

Referring to fig. 1 to 4, in an embodiment of the present invention, a detachable fan impeller includes a rotating shaft 1, a mounting ring 2 is installed on an outer side of the rotating shaft 1, four grooves 201 are formed in the mounting ring 2, the four grooves 201 are uniformly distributed on the mounting ring 2 in a circular shape, four blades 3 are uniformly distributed on the mounting ring 2, a connection piece 301 extending into each groove 201 is installed at a bottom of each blade 3, a limiting device 4 is installed at each of left and right ends inside each groove 201, and each limiting device 4 includes: sleeve 401, spring 402, guide arm 403 and spacing cam 404, sleeve 401 is fixed in on the inner wall of recess 201, install in the sleeve 401 and extend to its outside guide arm 403, guide arm 403 and sleeve 401 sliding connection, spring 402 and sleeve 401 elastic connection are passed through to the one end of guide arm 403, the other end of guide arm 403 links to each other with spacing cam 404, spacing cam 404 laminates with switching piece 301 mutually, the top of stop 4 is installed on collar 2 and is used for fixed clamping device 5 of switching piece 301, clamping device 5 includes: threaded rod 501, first screw 502, second screw 503, first thread bush 504, second thread bush 505 and ball 506, threaded rod 501 passes through the bearing and is connected with collar 2 rotation, first screw 502 has been seted up to the right half section of threaded rod 501, second screw 503 has been seted up to the left half end of threaded rod 501, first screw 502 and second screw 503 revolve to opposite, first thread bush 504 is installed to the right half section of threaded rod 501, second thread bush 505 is installed to the left half end of threaded rod 501, first thread bush 504 and second thread bush 505 link to each other with threaded rod 501 through ball 506 respectively, offer the U type groove 302 that is used for threaded rod 501 to pass on the switching piece 301, the right-hand member of threaded rod 501 is installed and is rotated handle 6. During the installation, insert the adaptor piece 301 in the recess 201 earlier, drive guide arm 403 and spacing cam 404 through the elasticity of spring 402 and clip adaptor piece 301, then, twist and move rotation handle 6, drive threaded rod 501 through rotating handle 6 and rotate, it drives first thread bush 504 and second thread bush 505 relative motion to rotate through threaded rod 501, make first thread bush 504 and second thread bush 505 be close to each other, cooperate through first thread bush 504 and second thread bush 505 and press from both sides adaptor piece 301 tight, during the dismantlement, twist and move rotation handle 6, make first thread bush 504 and second thread bush 505 keep away from each other, can extract adaptor piece 301 from recess 201, make the installation more convenient with the dismantlement.

The working principle of the utility model is as follows: this detachable fan wheel, during the installation, insert the adaptor piece 301 in the recess 201 earlier, drive guide arm 403 and spacing cam 404 through the elasticity of spring 402 and clip adaptor piece 301, then, twist and move rotation handle 6, drive threaded rod 501 through rotating handle 6 and rotate, rotate through threaded rod 501 and drive first thread bush 504 and second thread bush 505 relative motion, make first thread bush 504 and second thread bush 505 be close to each other, cooperate through first thread bush 504 and second thread bush 505 and press from both sides adaptor piece 301 tight, during the dismantlement, twist and move rotation handle 6, make first thread bush 504 and second thread bush 505 keep away from each other, can extract adaptor piece 301 from recess 201, make installation and dismantlement more convenient.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (5)

1. The utility model provides a detachable fan wheel, includes axis of rotation (1), its characterized in that: installing ring (2) is installed in the outside of axis of rotation (1), four recess (201) have been seted up on installing ring (2), the equipartition has four blades (3) on installing ring (2), every switching piece (301) that extend to recess (201) inside are all installed to the bottom of blade (3), stop device (4) are installed respectively at both ends about the inside of recess (201), clamping device (5) that are used for fixed switching piece (301) are installed on installing ring (2) to the top of stop device (4), clamping device (5) include: threaded rod (501), first screw thread (502), second screw thread (503), first thread bush (504), second thread bush (505) and ball (506), threaded rod (501) are connected with collar (2) rotation through the bearing, first screw thread (502) have been seted up to the half section of right side of threaded rod (501), second screw thread (503) have been seted up to the half end in left side of threaded rod (501), first thread bush (504) are installed to the half section in right side of threaded rod (501), second thread bush (505) are installed to the half end in left side of threaded rod (501), first thread bush (504) and second thread bush (505) link to each other with threaded rod (501) through ball (506) respectively, set up U type groove (302) that are used for threaded rod (501) to pass on switching piece (301).

2. The detachable fan wheel of claim 1, wherein: the four grooves (201) are uniformly distributed on the mounting ring (2) in a circular shape.

3. The detachable fan wheel of claim 1, wherein: the limiting device (4) comprises: sleeve (401), spring (402), guide arm (403) and spacing cam (404), sleeve (401) are fixed in on the inner wall of recess (201), install in sleeve (401) and extend to its outside guide arm (403), guide arm (403) and sleeve (401) sliding connection, the one end of guide arm (403) is passed through spring (402) and sleeve (401) elastic connection, the other end and the spacing cam (404) of guide arm (403) link to each other, spacing cam (404) are laminated with adaptor piece (301) mutually.

4. The detachable fan wheel of claim 1, wherein: the first thread (502) and the second thread (503) are opposite in rotation direction.

5. The removable blower wheel of claim 4, wherein: and a rotating handle (6) is installed at the right end of the threaded rod (501).

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