CN214205221U - Blade lock type motor shaft - Google Patents

Abstract

The utility model discloses a blade lock-up type motor shaft, including the motor shaft lid, the top center department of motor shaft lid installs the motor shaft body, first connecting block is installed to the bottom of motor shaft body surface, the equal slidable mounting in both ends of first connecting block has the gag lever post, the one end that the motor shaft body was kept away from to the gag lever post bottom is installed the spacing groove, the internally mounted of spacing groove has spacing spring, spacing spring keeps away from the one end of spacing groove and installs the stopper, the central point at the top of motor shaft body puts the department and installs the second connecting block. The utility model discloses, set up connecting block, gag lever post, spacing spring and stopper, can play the fixed action to motor shaft body and motor shaft cover to can carry out quick replacement, still set up locating piece, reference column, positioning spring and fixed block simultaneously, the installation of the fan piece of installation is dismantled to the convenience, has solved the inconvenient problem of installation, has reduced and has changed required time.

Description

Blade lock type motor shaft

Technical Field

The utility model relates to a motor shaft technical field specifically is a blade lock formula motor shaft.

Background

The motor bearing is also named as a motor bearing or a motor bearing, and is a special bearing specially applied to a motor or a motor. The motor uses a bearing, which is a part of the supporting shaft, and can guide the rotation of the shaft and bear the idle part on the shaft, and the concept of the bearing is wide.

The existing motor with the shaft is provided with fan blades at the top end of an external shaft, and by adopting the connection mode, the blades are easy to swing, can generate violent vibration, influence the service life of a product and are inconvenient to install

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blade lock formula motor shaft to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a blade lock-type motor shaft comprises a motor shaft cover, a motor shaft body is installed at the center of the top of the motor shaft cover, a first connecting block is installed at the bottom of the outer surface of the motor shaft body, limiting rods are installed at two ends of the first connecting block in a sliding mode, a limiting groove is installed at one end, far away from the motor shaft body, of the bottom end of each limiting rod, a limiting spring is installed inside the limiting groove, a limiting block is installed at one end, far away from the limiting groove, of each limiting spring, a second connecting block is installed at the center of the top of the motor shaft body, a buffer spring is installed at the top of the outer surface of the motor shaft body, a first fixing block is installed at one end, far away from the motor shaft body, of each buffer spring, a fan blade is installed on the outer surface of each second connecting block in a sliding mode, an installation hole is installed inside each fan blade, a, and a positioning spring is installed at the top of the positioning column, and positioning blocks are installed at two ends of the positioning spring.

Preferably, the top of the motor shaft cover is provided with a groove which is matched with the first connecting block in size and corresponds to the first connecting block in position, and a positioning groove which is matched with the limiting block in size and corresponds to the limiting block in position is formed in the groove.

Preferably, through holes are formed in both ends of the top of the motor shaft cover, and the through holes formed in both ends of the top of the motor shaft cover are communicated with a positioning groove formed in the motor shaft cover.

Preferably, the two ends of the first connecting block are both provided with sliding grooves, and the sliding grooves are matched with the limiting rods in size and correspond to the limiting rods in position.

Preferably, the number of the positioning columns is four, and the four positioning columns are symmetrically distributed on the top of the second connecting block in pairs.

Preferably, the number of the second fixed blocks is four, and the four second fixed blocks are symmetrically distributed on the top of the second connecting block in pairs.

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

1. this blade lock-type motor shaft has set up connecting block, gag lever post, spacing spring and stopper, can play the fixed action to motor shaft body and motor shaft cover to can carry out quick replacement, still set up locating piece, reference column, positioning spring and fixed block simultaneously, the installation of the convenient fan piece to the installation dismantlement of installation has solved the inconvenient problem of installation, has reduced and has changed required time.

2. This blade lock-type motor shaft has set up fixed block, buffer spring, fixed block, spacing groove and spacing spring, can play the effect of buffering to the blade when carrying out the during operation, also avoids appearing the phenomenon of violent vibrations when avoiding appearing the blade and swaying indefinite, has improved the stability of blade during operation, increase of service life.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection relationship between the connection block and the mounting hole of the present invention;

FIG. 3 is an enlarged schematic view of the internal structure of the part A in FIG. 1 according to the present invention;

fig. 4 is an enlarged schematic view of the internal structure of the part B in fig. 2 according to the present invention.

In the figure: 1. a motor shaft cover; 2. a motor shaft body; 3. a first connection block; 4. a limiting rod; 5. a second connecting block; 6. a first fixed block; 7. a buffer spring; 8. a fan blade; 9. a second fixed block; 10. mounting holes; 11. a positioning column; 12. A limiting groove; 13. a limiting spring; 14. a limiting block; 15. positioning blocks; 16. and positioning the spring.

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.

Referring to fig. 1-4, the present invention provides an embodiment: a blade lock-type motor shaft comprises a motor shaft cover 1, a motor shaft body 2 is installed at the center of the top of the motor shaft cover 1, a first connecting block 3 is installed at the bottom of the outer surface of the motor shaft body 2, limiting rods 4 are installed at two ends of the first connecting block 3 in a sliding mode, a limiting groove 12 is installed at one end, far away from the motor shaft body 2, of the bottom end of each limiting rod 4, a limiting spring 13 is installed inside each limiting groove 12, a limiting block 14 is installed at one end, far away from the limiting groove 12, of each limiting spring 13, a second connecting block 5 is installed at the center of the top of the motor shaft body 2, a buffer spring 7 is installed at the top of the outer surface of the motor shaft body 2, a first fixing block 6 is installed at one end, far away from the motor shaft body 2, of each buffer spring 7, a fan blade 8 is installed on the outer surface of each second connecting block 5 in a sliding mode, an installation hole 10 is installed inside each fan blade 8, and a positioning column 11 is installed at the top of the motor shaft body 2, a second fixing block 9 is installed at one end, close to the fan 8, of the outer surface of the top of the second connecting block 5, a positioning spring 16 is installed at the top of the positioning column 11, and positioning blocks 15 are installed at two ends of the positioning spring 16.

In this implementation, the top of motor shaft cover 1 is provided with 3 size looks adaptations of first connecting block and the corresponding recess in position, and the inside of this recess seted up with 14 size looks adaptations of stopper and the corresponding constant head tank in position, the setting of recess can carry out the fixed effect of fixing a position to first connecting block 3, avoids appearing the fixed unstable condition.

In this implementation, the through-hole has all been seted up at the both ends at 1 top of motor shaft lid, and the through-hole that sets up at 1 top both ends of motor shaft lid communicates with each other with the constant head tank that sets up on the motor shaft lid 1, and the setting of through-hole is convenient for take out the recess that sets up from 1 top of motor shaft lid to stopper 14, makes things convenient for the dismantlement between motor shaft body 2 and the motor shaft lid 1.

In this implementation, the spout has all been seted up at the both ends of first connecting block 3 and the size looks adaptation of this spout and gag lever post 4 and the position is corresponding, and the setting up of spout can make gag lever post 4 slide, makes things convenient for the dismantlement of motor shaft body 2 between to motor shaft cover 1.

In this embodiment, the number of the positioning columns 11 is four, the four positioning columns 11 are symmetrically distributed on the top of the second connecting block 5 in pairs, and the four positioning columns 11 are arranged so that the positioning columns 11 can effectively position the fan blade 8 on the second connecting block 5.

In this implementation, the number of the second fixed blocks 9 is four, and the four second fixed blocks 9 are distributed at the top of the second connecting block 5 in a pairwise symmetrical manner, and the fan blade 8 can be fixed by the four second fixed blocks 9, so that the situation that the fan blade 8 is not fixed in place is avoided, and the second fixed blocks 9 are small in size and have slight elasticity, so that the fan blade 8 can be limited.

The working principle is as follows: during the use, when motor shaft body 2 needs to be fixed with motor shaft cover 1, utilize the cooperation between spacing spring 13 and the stopper 14, after stopper 14 entered into the recess that motor shaft cover 1 top set up inside, spacing spring 13 promoted stopper 14 after and entered the constant head tank in the recess, and then fix motor shaft body 2 and motor shaft cover 1, when fan sheet 8 was fixed on motor shaft body 2, locating piece 15 compressed positioning spring 16 after entered the inside of reference column 11, positioning spring 16 popped out locating piece 15 and cooperates fixed block 9 again and blocks fan sheet 8 afterwards, be connected fixed block 6 with fan sheet 8 afterwards again, when motor shaft body 2 during operation fan sheet 8 produced vibrations, buffer spring 7 accomplishes the effect that weakens vibrations to the vibrations that produce.

It will be evident to those skilled in the art that the invention 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 scope of the present invention. Accordingly, the embodiments of the present invention are exemplary, and not limiting. The scope of the invention is indicated by the appended claims rather than by the foregoing description, and all changes that 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.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims (6)

1. The utility model provides a blade lock formula motor shaft, includes motor shaft cover (1), its characterized in that: the motor shaft body (2) is installed at the center of the top of the motor shaft cover (1), the first connecting block (3) is installed at the bottom of the outer surface of the motor shaft body (2), the limiting rods (4) are installed at two ends of the first connecting block (3) in a sliding mode, the limiting grooves (12) are installed at one ends, far away from the motor shaft body (2), of the bottom ends of the limiting rods (4), limiting springs (13) are installed inside the limiting grooves (12), limiting blocks (14) are installed at one ends, far away from the limiting grooves (12), of the limiting springs (13), the second connecting block (5) is installed at the center of the top of the motor shaft body (2), buffer springs (7) are installed at the top of the outer surface of the motor shaft body (2), first fixing blocks (6) are installed at one ends, far away from the motor shaft body (2), of the buffer springs (7), and fan blades (8) are installed on, the internally mounted of fan piece (8) has mounting hole (10), reference column (11) are installed at the top of motor shaft body (2), second fixed block (9) are installed to the one end that second connecting block (5) top surface is close to fan piece (8), positioning spring (16) are installed to the top of reference column (11) the first, locating piece (15) are all installed at the both ends of positioning spring (16).

2. The blade lock type motor shaft according to claim 1, wherein: the top of the motor shaft cover (1) is provided with a groove which is matched with the first connecting block (3) in size and corresponds to the position of the first connecting block, and a positioning groove which is matched with the limiting block (14) in size and corresponds to the position of the limiting block is formed in the groove.

3. The blade lock type motor shaft according to claim 2, wherein: through holes are formed in two ends of the top of the motor shaft cover (1), and the through holes formed in the two ends of the top of the motor shaft cover (1) are communicated with positioning grooves formed in the motor shaft cover (1).

4. The blade lock type motor shaft according to claim 1, wherein: the two ends of the first connecting block (3) are provided with sliding grooves, and the sliding grooves are matched with the limiting rods (4) in size and correspond to the limiting rods in position.

5. The blade lock type motor shaft according to claim 1, wherein: the number of the positioning columns (11) is four, and the four positioning columns (11) are symmetrically distributed on the top of the second connecting block (5) in pairs.

6. The blade lock type motor shaft according to claim 1, wherein: the number of the second fixing blocks (9) is four, and the four second fixing blocks (9) are symmetrically distributed on the top of the second connecting block (5) in pairs.

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