CN217814105U - Impeller anti-reversion and anti-falling self-locking structure - Google Patents

Abstract

The utility model relates to an impeller is prevented reversing and is come off from locking structure, include: an impeller body; the shaft rod is cylindrical and penetrates through the impeller body; the self-locking part comprises a shaft head fixed at the end part of the shaft rod and a plurality of self-locking blocks hinged on the outer peripheral side of the shaft head. The utility model discloses a set up the auto-lock portion, it is fixed with impeller body and axostylus axostyle, when installing impeller body, impeller body establishes on the axostylus axostyle from the spindle nose portion cover, when the spindle nose, compress the auto-lock piece, make its shrink in the spindle nose, when impeller body passes the spindle nose, the auto-lock piece expandes this moment, the tip of auto-lock piece is contradicted at shaft hole periphery side, make with impeller body tentatively spacing on the axostylus axostyle, and utilize fixing bolt to run through the auto-lock piece, with fixing completely between impeller body and the axostylus axostyle, the assembly mode is simple and convenient, and disassemble easily, can improve staff installation effectiveness greatly.

Description

Impeller anti-reversion and anti-falling self-locking structure

Technical Field

The utility model relates to a from locking structure technical field, especially, relate to an impeller is prevented reversing and is come off from locking structure.

Background

Application No.: 202020648940.2, publication (bulletin) No.: CN212376886U, a large-scale desulfurization pump impeller anti-reverse device, including the pump shaft, pump shaft right side fixedly connected with spliced pole, respectively the fixedly connected with fixed block is equallyd divide at both ends about the spliced pole, the one end that the pump shaft was kept away from to the spliced pole is provided with fixed cover, fixed cover right side is provided with the impeller, pump shaft surface ring shape is provided with the connecting axle sleeve, connecting axle sleeve inner wall and pump shaft external surface contact. The utility model discloses a set up spacing groove one and end anti-piece, the pump is when stopping, spacing groove one with end anti-piece to the impeller lock, prevent that the impeller from being reversed by the rivers punching press, through setting up spacing groove two, solid fixed ring and fixing bolt two, lock the connecting axle sleeve once more, realize the locking to the connecting axle sleeve, reach the purpose that prevents the impeller reversal, make its auto-lock effect better, can not produce the damage because of the impeller reversal to the device, guaranteed its result of use.

This kind of impeller anti-reversion device is through setting up spacing groove one and anti-block, the pump is when stopping, spacing groove one locks the impeller with anti-block, prevent that the impeller from being reversed by the rivers punching press, through setting up spacing groove two, solid fixed ring and fixing bolt two, lock the connecting axle sleeve once more, realize the locking to the connecting axle sleeve, reach the purpose that prevents the impeller reversal, make its auto-lock effect better, can not produce the damage to the device because of the impeller reversal, the result of use has been guaranteed, but this kind of impeller anti-reversion device, when considering impeller locking and anti-overturning pine take off, the assembly methods is comparatively loaded down with trivial details, and inconvenient dismantlement to the impeller, the installation and the maintenance to the impeller are influenced, consequently design an impeller anti-reversion and drop from locking structure, in order to solve above-mentioned technical problem.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: inconvenient pipeline inner wall scars to different thicknesses detect, and the assembly method is comparatively loaded down with trivial details, and inconvenient dismantles the impeller, influences the installation and the maintenance to the impeller the utility model provides an impeller is prevented reversing and is come off from locking structure and solve above-mentioned problem.

In order to solve the technical problem, the utility model provides an impeller is prevented reversing and is come off from locking structure, include: an impeller body; the shaft rod is cylindrical and penetrates through the impeller body; the self-locking part comprises a shaft head fixed at the end part of the shaft rod and a plurality of self-locking blocks hinged to the outer periphery of the shaft head; when the shaft head penetrates through the impeller body, the self-locking block is unfolded.

Furthermore, a plurality of grooves are formed in the outer peripheral side of the shaft head, and the shaft head is conical.

Further, a fixing block is fixed on one side of the self-locking block, a through hole is formed in the fixing block, the end portion of the self-locking block is hinged to the inner top wall of the groove, and an inclined plane is arranged on one side of the fixing block.

Furthermore, a telescopic spring is fixed between the inner side wall of the groove and the self-locking block.

Furthermore, one end of the impeller body is provided with a plurality of screw holes, the other end of the impeller body is provided with a fixing hole, and the center of the impeller body is provided with a shaft hole; when the telescopic spring is in a stretched state, the through hole and the screw hole are located on the same central axis.

Furthermore, the axostylus axostyle is cylindric setting, the surface threaded connection of axostylus axostyle has the stop collar, the end fixing of stop collar has solid fixed ring, gu fixed ring threaded connection is in the fixed orifices.

The beneficial effects of the utility model are that, the utility model provides an impeller is prevented reversing and is come off from locking structure, set up the shaft hole through the center at impeller body, make the axostylus axostyle can pass the shaft hole, and through setting up the self-locking portion, it is fixed with impeller body and axostylus axostyle, when installing impeller body, impeller body is established on the axostylus axostyle from the spindle nose cover, when the process spindle nose, the compression self-locking piece, make its shrink in the spindle nose, when impeller body passes the spindle nose, the self-locking piece expandes this moment, the tip of self-locking piece is contradicted at shaft hole periphery side, make and tentatively spacing on the axostylus axostyle impeller body, and utilize fixing bolt to run through the self-locking piece, completely fixed between impeller body and the axostylus axostyle, the assembly mode is simple and convenient, and disassemble easily, can improve staff installation effectiveness greatly.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is a perspective view of a preferred embodiment of the present invention;

fig. 2 is a schematic front sectional view of the preferred embodiment of the present invention;

fig. 3 is an elevation view of a preferred embodiment of the self-locking block of the present invention retracted into the recess;

fig. 4 is a schematic diagram of a partially enlarged structure at a in fig. 2 according to the present invention.

In the figure:

1. an impeller body; 11. a screw hole; 12. a fixing hole; 13. a shaft hole;

2. a shaft lever; 21. a limiting sleeve; 22. a fixing ring;

3. an auto-lock portion; 31. a shaft head; 32. a self-locking block; 33. a groove; 34. a fixed block; 35. a through hole; 36. a bevel; 37. a telescoping spring.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience in describing and simplifying the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," 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. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1 to 4, the utility model provides an impeller is prevented reversing and is come off from locking structure, include: an impeller body 1; the center of the impeller body 1 is provided with a shaft hole 13; the shaft lever 2 is cylindrical, and the shaft lever 2 penetrates through the impeller body 1; the self-locking device comprises a self-locking part 3, wherein the self-locking part 3 comprises a shaft head 31 fixed at the end part of the shaft lever 2 and a plurality of self-locking blocks 32 hinged on the outer periphery side of the shaft head 31; wherein the self-locking block 32 is unfolded after the shaft head 31 passes through the impeller body 1.

Through set up shaft hole 13 at the center of impeller body 1, make axostylus axostyle 2 can pass shaft hole 13, and through setting up self-locking portion 3, it is fixed with impeller body 1 and axostylus axostyle 2, when installing impeller body 1, impeller body 1 establishes on axostylus axostyle 2 from spindle nose 31 portion cover, when through spindle nose 31, compress self-locking piece 32, make its shrink in spindle nose 31, when impeller body 1 passes spindle nose 31, self-locking piece 32 expandes this moment, the tip conflict of self-locking piece 32 is at shaft hole 13 periphery side, make and tentatively spacing on axostylus axostyle 2 impeller body 1, and utilize fixing bolt to run through self-locking piece 32, it is completely fixed between impeller body 1 and axostylus axostyle 2, the assembly method is simple and convenient, and disassemble easily, can improve staff's installation effectiveness greatly.

A plurality of grooves 33 are formed in the peripheral side of the shaft head 31, the shaft head 31 is in a conical ball shape, a fixing block 34 is fixed on one side of the self-locking block 32, a through hole 35 is formed in the fixing block 34, the end portion of the self-locking block 32 is hinged to the inner top wall of the groove 33, an inclined surface 36 is arranged on one side of the fixing block 34, the inclined surface 36 can better enable the fixing block 34 to be collected into the groove 33, and a telescopic spring 37 is fixed between the inner side wall of the groove 33 and the self-locking block 32.

The cone-ball-shaped shaft head 31 is arranged, so that the shaft head 31 cannot block the flow velocity of fluid of an impeller body 1, four groups of grooves 33 are formed in the side wall of the shaft head 31, the grooves 33 are distributed on the periphery of the shaft head 31 at equal intervals, a self-locking block 32 is hinged to the top wall of each groove 33, the self-locking block 32 can rotate around a hinged point, when the self-locking block 32 rotates towards the inside of each groove 33, the self-locking block 32 and a fixing block 34 fixed to one side can be completely contained in each groove 33, when the self-locking block 32 rotates towards the other side, the self-locking block 32 and the fixing block 34 can protrude out of the side wall of the ball head, an expansion spring 37 is arranged, so that the self-locking block 32 and the fixing block 34 can reset after rotating, when the self-locking block 32 and the fixing block 34 are in a completely unfolded state at an initial position, the fixing block 34 protrudes out of the side wall of the ball head, when the impeller body 1 is installed, a shaft hole 13 in the impeller body 1 compresses the self-locking block 32 to enable the self-locking block 32 to be retracted into the impeller body 31, when the impeller body 1 penetrates through the shaft head 31, the shaft head 32 and the impeller body 34 resets, so that the impeller body 1 can be initially limited and the impeller body 2 is prevented from being loosened.

The impeller comprises an impeller body 1 and is characterized in that one end of the impeller body 1 is provided with a plurality of screw holes 11, the other end of the impeller body 1 is provided with a fixing hole 12, when the extension spring 37 is in a stretched state, the through hole 35 and the screw holes 11 are located on the same central axis, the shaft rod 2 is arranged in a cylindrical shape, the outer surface of the shaft rod 2 is in threaded connection with a limiting sleeve 21, the end part of the limiting sleeve 21 is fixed with a fixing ring 22, and the fixing ring 22 is in threaded connection with the fixing hole 12.

Through setting up a plurality of screw 11 in impeller body 1 one side, make impeller body 1 tentatively spacing back on axostylus axostyle 2, fixed block 34 resets, pass screw 11 with fixing bolt this moment, fix fixed block 34 on impeller body 1, and through setting up stop collar 21, stop collar 21 and 2 threaded connection of axostylus axostyle, can control about on axostylus axostyle 2, when axostylus axostyle 2 removes to impeller body 1's direction, gu fixed ring 22 can insert in fixed orifices 12, it is fixed between stop collar 21 and the impeller body 1, thereby reach the effect fixed to impeller body 1 both ends, it is fixed comparatively stable, firm, can compromise the impeller locking and prevent the upset pine and take off, and the operation is comparatively simple.

In light of the foregoing description of the preferred embodiments of the present invention, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (6)

1. The utility model provides an impeller anti-reversion drops from locking structure, its characterized in that includes:

an impeller body (1);

the shaft lever (2) is cylindrical, and the shaft lever (2) penetrates through the impeller body (1);

the self-locking device comprises a self-locking part (3), wherein the self-locking part (3) comprises a shaft head (31) fixed at the end part of the shaft lever (2) and a plurality of self-locking blocks (32) hinged on the outer periphery side of the shaft head (31);

wherein the self-locking block (32) is unfolded after the shaft head (31) passes through the impeller body (1).

2. The impeller anti-reverse-falling self-locking structure according to claim 1,

a plurality of grooves (33) are formed in the outer peripheral side of the shaft head (31), and the shaft head (31) is conical and spherical.

3. The impeller anti-reverse-falling self-locking structure according to claim 2,

from one side of locking piece (32) is fixed with fixed block (34), through-hole (35) have been seted up to the inside of fixed block (34), the tip of locking piece (32) articulates roof in recess (33), one side of fixed block (34) is provided with inclined plane (36).

4. The impeller anti-reverse-falling self-locking structure according to claim 3,

and a telescopic spring (37) is fixed between the inner side wall of the groove (33) and the self-locking block (32).

5. The impeller anti-reverse-falling self-locking structure according to claim 4,

one end of the impeller body (1) is provided with a plurality of screw holes (11), the other end of the impeller body (1) is provided with a fixing hole (12), and the center of the impeller body (1) is provided with a shaft hole (13);

when the telescopic spring (37) is in a stretched state, the through hole (35) and the screw hole (11) are located on the same central axis.

6. The impeller anti-reverse-falling self-locking structure according to claim 5,

the shaft lever (2) is arranged in a cylindrical shape, the outer surface of the shaft lever (2) is in threaded connection with a limiting sleeve (21), the end part of the limiting sleeve (21) is fixed with a fixing ring (22), and the fixing ring (22) is in threaded connection with the inside of the fixing hole (12).

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