CN210509708U

CN210509708U - Impeller fastener, conveying device and supercharging device

Info

Publication number: CN210509708U
Application number: CN201921350483.2U
Authority: CN
Inventors: 代超
Original assignee: Shenzhen Crystal Energy Tech Co ltd
Current assignee: Shenzhen Jiejing Technology Co ltd
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-05-12
Anticipated expiration: 2029-08-15

Abstract

The utility model relates to an impeller fastener, conveyor and supercharging device, impeller fastener include fasten the body, extend a plurality of lugs based on the edge of fastening the body, fasten the body and relatively fixed and can follow the synchronous rotation of impeller with the impeller, the extending direction of lug and fasten the fastening direction of the body to the impeller and rotation direction of impeller are opposite; the conveying device and the pressurizing device both comprise impeller fasteners. The impeller can drive its peripheral fluid to flow along the rotation direction of impeller when rotating, because of the extending direction of lug, the fastening body is all opposite with the rotation of impeller to the fastening direction of impeller, fluid flow time applys the reverse effort with impeller rotation direction to the lug, make the motion trend of fastening body opposite with the rotation direction of impeller, the fastening body rotates to the direction of fastening more to the impeller, increase the fastening strength of fastening body to the impeller, avoid impeller fastener pine to take off, influence the normal use of impeller and the transport efficiency to the fluid.

Description

Impeller fastener, conveying device and supercharging device

Technical Field

The utility model relates to a fluid conveying or pressure boost machinery technical field especially relates to an impeller fastener and conveyor, supercharging device.

Background

Fluid conveying is an indispensable conveying mode in industrial production and is widely applied to the fields of chemical industry, petrochemical industry, textile industry, coating industry and the like. The impeller is an important part for fluid conveying, and the impeller rotating at high speed applies pressure to fluid to enable the fluid to flow so as to realize fluid conveying.

The fixed of impeller is through nut with impeller lock in the pivot usually, and rotation through the pivot drives the impeller and carries out high-speed rotation, and in the in-service use process, the not hard up condition that drops of nut often appears, influences conveying machine's steady operation to can appear because the impeller pine takes off the striking conveying machine, lead to the condition of conveying machine damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an impeller fastener and conveyor, supercharging device to overcome the easy pine of impeller and take off, influence the defect of conveying efficiency.

The utility model provides a technical scheme that above-mentioned technical problem adopted is:

the impeller fastening piece comprises a fastening body, wherein a plurality of lugs extend out of the edge of the fastening body, the fastening body and an impeller are relatively fixed and can rotate synchronously along with the impeller, and the extending direction of the lugs and the fastening direction of the fastening body to the impeller are opposite to the rotating direction of the impeller.

In a preferred embodiment, the cross-section of the fastening body is polygonal, and the lug extends based on the connection between two adjacent sides of the fastening body.

In a preferred embodiment, the side edges of the fastening body are flush with the side edges of the lugs connected thereto.

In a preferred embodiment, the fastening body is circular in cross-section, the lugs being evenly distributed along the edge of the fastening body.

In a preferred embodiment, the lugs are triangular or quadrangular in cross-section.

In a preferred embodiment, the lug is a tab extending from the fastening body edge.

In a preferred embodiment, a recessed channel is provided in the center of the fastening body.

In a preferred embodiment, the fastening body is provided with a locking section inside, and the surface of the locking section is provided with a fastening thread.

The utility model also provides a conveyor, including foretell impeller fastener, still include the impeller, the impeller fastener install in on the terminal surface of impeller.

The utility model also provides a supercharging device, including foretell conveyor.

The utility model discloses following beneficial effect has at least:

the impeller can drive its peripheral fluid to flow along the rotation direction of impeller when rotating, because of the extending direction of lug, the fastening body is all opposite with the rotation of impeller to the fastening direction of impeller, fluid flow time applys the reverse effort with impeller rotation direction to the lug, make the motion trend of fastening body opposite with the rotation direction of impeller, the fastening body rotates to the direction of fastening more to the impeller, increase the fastening strength of fastening body to the impeller, avoid impeller fastener pine to take off, influence the normal use of impeller and the transport efficiency to the fluid.

Drawings

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

FIG. 1 is a schematic structural view of a first embodiment of an impeller fastener;

FIG. 2 is a structural schematic view of an impeller fastener in use;

FIG. 3 is a cross-sectional schematic view of a first embodiment of an impeller fastener;

FIG. 4 is a schematic structural view of a second embodiment of an impeller fastener;

FIG. 5 is a schematic view of a fourth embodiment of an impeller fastener in use.

FIG. 6 is a schematic structural view of a third embodiment of an impeller fastener.

Detailed Description

The conception, specific structure and technical effects of the present invention will be described clearly and completely with reference to the accompanying drawings and embodiments, so as to fully understand the objects, aspects and effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Furthermore, the description of the upper, lower, left, right, etc. used in the present invention is only relative to the mutual positional relationship of the components of the present invention in the drawings.

Furthermore, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any combination of one or more of the associated listed items.

First embodiment

Referring to fig. 1 to 3, the impeller fastening member in the present embodiment includes a fastening body 10, a plurality of lugs 20 extend from an edge of the fastening body 10, the fastening body 10 is used to fix an impeller 100, the fastening body 10 may be fixed at an end surface of the impeller 100, relative fixation between the fastening body 10 and the impeller 100 is achieved, and the fastening body 10 can rotate synchronously with rotation of the impeller 100. When the impeller 100 rotates, the fluid around the impeller 100 can be driven to move along the rotation direction of the impeller 100, and because the extending direction of the lug 20 and the fastening direction of the fastening body 10 to the impeller 100 are opposite to the rotation direction of the impeller 100, the fluid contacts the lug 20 when moving and applies an acting force opposite to the rotation direction of the impeller 100 to the lug 20, so that the rotation trend of the fastening body 10 is opposite to the rotation direction of the impeller 100, and the fastening body 10 is subjected to a force which is applied by the fluid and faces the fastening direction, the fastening strength of the fastening body 10 to the impeller 100 is increased, the impeller fastener is prevented from being loosened reversely, and the normal use of the impeller and the conveying efficiency of the fluid are influenced.

Specifically, referring to fig. 2, the impeller fastening member is fixed to the end surface of the impeller 100, the impeller 100 rotates counterclockwise, the fastening body 10 fastens the impeller 100 in the clockwise direction, and the lug 20 located at the edge of the fastening body 10 is the same as the fastening direction of the fastening body 10 (the extending direction of the lug 20 is opposite to the rotating direction of the impeller 100 and is not strictly opposite, and a certain angle or deviation is allowed). The impeller 100 rotates counterclockwise to drive the fluid around the impeller to flow counterclockwise, the side of the fastening body 10 and the side of the lug 20 contact the fluid and receive the acting force opposite to the rotation direction of the fluid, the direction of the acting force is the same as the fastening direction of the fastening body 10 to the impeller, so that the fastening body 10 is subjected to a force tending to be more fastened, and the fastening body 10 is not loosened reversely.

The cross section of the fastening body 10 may be polygonal, such as triangular, rectangular, hexagonal, etc., the cross section of the fastening body 10 in this embodiment is regular hexagonal, the lugs 20 extend based on the connection of two adjacent sides of the fastening body 10, that is, the embodiment includes six lugs 20, and the lugs 20 are uniformly distributed on the edge of the fastening body 10, so that the impeller fastening member is stable to the force given by the fluid when in use.

The junction of two adjacent sides of the fastening body 10 and the side of the lug 20 are flush with one of the two sides, so as to increase the contact surface of the impeller fastening piece with fluid when the impeller rotates, and further increase the resistance strength of the fluid to the impeller.

The cross-section of the lug 20 may be provided in a polygonal shape such as a triangle, a rectangle, a trapezoid, etc. The cross section of the lug 20 in this embodiment is triangular, one side of the lug 20 is flush with one side of the fastening body 10 connected with the lug 20, the other side of the lug 20 is perpendicular to the other side connected with the side of the fastening body 10, and the lug 20 is located at the joint of the two sides of the fastening body 10.

Referring to fig. 3, the fastening body 10 in this embodiment is further provided with a locking section 11 inside, and the surface of the locking section 11 is provided with fastening threads, and the fastening threads are used for being matched with a component for fixing the impeller to fix the impeller, so that the installation is convenient.

The locking section 11 is arranged at the center of the fastening body 10, the inside of the fastening body 10 is also provided with a guide groove 12, the guide groove 12 is inwards sunken based on the top end of the fastening body 10, the guide groove 12 can be communicated with the locking section 11 or not, a simple mounting tool is inserted into the guide groove 12, and the fastening body 10 can be fixed to the impeller by rotating the mounting tool.

The cross section of the guide groove 12 can be designed to be a straight line shape, a cross shape or a hexagon, and the installation of the impeller fastener can be realized by matching a straight line type wrench, a cross type wrench or an inner hexagonal wrench. The guide grooves 12 in this embodiment are provided in a hexagonal shape.

The fluid may be a gas or a liquid, such as air, water, acid-base liquid, emulsion, chemical agent, or liquid metal, etc. The lugs 20 are formed integrally with the fastening body 10 or are fixed by welding, and the fastening body 10 may be selected as a nut, and is reprocessed on the basis of the nut, so as to reduce the production cost of the impeller fastener.

Second embodiment

Referring to fig. 4, the difference between the present embodiment and the first embodiment is that the lug 20 of the present embodiment is configured as a sheet body, and the sheet body extends outwards based on the side edge of the fastening body 10, further simplifying the structure of the lug 20. The lugs 20 in this embodiment are provided in three, evenly distributed along the edge of the fastening body 10 and extending on the side of the fastening body 10, flush with the side of the fastening body 10. Of course, the number of the lugs 20 can be increased appropriately, for example, the lugs 20 are connected to the side of each fastening body 10; the lug 20 is not necessarily completely flush with the side of the fastening body 10, and may be bent at an angle, such as perpendicular to the side of the fastening body 10, to increase the strength of the force applied by the fluid to the lug 20.

The sheet body is arranged to be a rigid structure, so that the effectiveness of motion transmission between the fastening body 10 and the lug 20 is ensured, the resistance exerted by the fluid on the lug 20 can be quickly and efficiently transmitted to the fastening body 10, the fastening body 10 has a tighter fastening tendency, and the fastening strength between the fastening body 10 and the impeller 100 is improved.

Fig. 5 is a schematic structural diagram of the blade fastener in this embodiment in operation, during the counterclockwise rotation of the impeller 100, the fluid flows along the impeller 100, the fastening body 10 rotates along with the impeller 100, and the fluid applies a force to the fastening body 10 and the lug 20 to prevent the counterclockwise rotation of the fastening body 10 and the lug 20, so that the fastening body 10 tends to rotate in a direction toward a fastening direction, thereby enhancing the fixing strength between the fastening body 10 and the impeller and preventing the impeller fastener from falling off.

Third embodiment

Referring to fig. 6, the present embodiment is different from the first embodiment in that the cross section of the fastening body 10 is provided in a circular shape, and the lugs 20 are uniformly distributed and extend outward based on the edge of the fastening body 10, ensuring that the lugs 20 can receive the force applied by the fluid. And because the fastening body 10 is circular, the processing is more convenient, has improved impeller fastener's production efficiency.

The utility model also provides a conveyor, this conveyor includes foretell impeller fastener, still include impeller 100 and be used for driving impeller 100 pivoted pivot, the impeller fastener is fixed in impeller 100's tip, the pivot drives impeller 100 and rotates, makes the impeller fastener follow impeller 100 and rotate in step, impeller 100 realizes the transport to the fluid at the rotation in-process to the fluid is exerted to the impeller fastener and is hindered its pivoted effort, increases the fastening strength between impeller fastener and the impeller.

The impeller 100 is also provided with vanes which are curved in the same direction as the extension of the lugs 20, ensuring that the fluid flow is reversed in the direction opposite to the extension of the lugs 20 and exerting a force on the lugs 20 which counteracts their rotation in the direction of rotation of the impeller. The conveying device can be a water pump, a centrifugal pump, a steam turbine and other equipment suitable for fluid conveying.

The utility model also provides a supercharging device, this supercharging device include foretell conveyor, and the impeller fastener is fixed in impeller 100's tip, drives impeller 100 pivoted in-process in the pivot, and the fluid is around flowing blade 100 to the blade acting, reaction force is applyed to the fluid to blade 100, makes the fluid obtain the energy and flow out from impeller 100, makes the kinetic energy and the pressure energy increase of liquid. The impeller fastener rotates following the rotation of the impeller, and the fluid applies a force to the impeller fastener to hinder the rotation thereof, increasing the fastening strength between the impeller 100 and the impeller fastener.

The supercharging device can be a booster pump, a self-priming pump and other devices suitable for fluid supercharging.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims

1. The impeller fastening piece is characterized by comprising a fastening body, a plurality of lugs extend out of the edge of the fastening body, the fastening body and an impeller are relatively fixed and can rotate synchronously along with the impeller, and the extending direction of the lugs and the fastening direction of the fastening body to the impeller are opposite to the rotating direction of the impeller.

2. The impeller fastener of claim 1, wherein the fastening body is polygonal in cross-section, and the lug extends based on the junction of two adjacent sides of the fastening body.

3. The impeller fastener of claim 2 wherein the side of the fastening body is flush with the side of the lug connected thereto.

4. The impeller fastener of claim 1 wherein the fastening body is circular in cross-section and the lugs are evenly distributed along the edge of the fastening body.

5. The impeller fastener according to any one of claims 1 to 4, characterized in that the cross section of the lug is triangular or quadrangular.

6. The impeller fastener according to any one of claims 1 to 4, characterized in that the lug is a sheet extending on the basis of the fastening body edge.

7. The impeller fastener according to any one of claims 1 to 4, characterized in that a recessed guide groove is provided at the center of the fastening body.

8. The impeller fastener according to any one of claims 1 to 4, characterized in that the fastening body is internally provided with a locking section, the surface of which is provided with a fastening thread.

9. A delivery device comprising the impeller fastener of any one of claims 1 to 8, and further comprising an impeller, the impeller fastener being mounted on an end face of the impeller.

10. A supercharging arrangement comprising a delivery device according to claim 9.