CN220415806U

CN220415806U - Novel locking and anti-loosening structure for connecting disc and taper sleeve of centrifugal fan impeller

Info

Publication number: CN220415806U
Application number: CN202321527788.2U
Authority: CN
Inventors: 黄莉; 王�华
Original assignee: Guangdong Zhaoqing Deton Co ltd
Current assignee: Guangdong Zhaoqing Deton Co ltd
Priority date: 2023-06-14
Filing date: 2023-06-14
Publication date: 2024-01-30
Anticipated expiration: 2033-06-14

Abstract

The utility model discloses a novel locking and anti-loosening structure of a connecting disc taper sleeve of an impeller of a centrifugal fan, which comprises the following components: impeller, connection pad, locking gasket, taper sleeve, two at least hexagon socket head cap screws and two at least nuts, wherein, the taper sleeve is built-in the connection pad, the impeller pass through two hexagon socket head cap screws connect in on the connection pad, two hexagon socket head cap screws's one end wears to locate in the taper sleeve, two nut threaded connection in corresponding the other end of hexagon socket head cap screws, locking gasket set up in between nut and the impeller. Compared with the prior art, the utility model can prevent the looseness of the impeller and the connecting disc and improve the assembly stability.

Description

Novel locking and anti-loosening structure for connecting disc and taper sleeve of centrifugal fan impeller

Technical Field

The utility model relates to the technical field of centrifugal ventilators, in particular to a novel locking structure for a connecting disc taper sleeve of an impeller of a centrifugal ventilator.

Background

The existing locking structure of the connecting disc taper sleeve of the centrifugal fan impeller is characterized in that the taper sleeve is locked by two inner hexagon screws; the screw can appear loosening in different degrees under the action of stress for a long time.

Disclosure of Invention

The utility model mainly aims to provide a novel locking and anti-loosening structure for a connecting disc taper sleeve of an impeller of a centrifugal fan, and aims to prevent loosening of the impeller and the connecting disc and improve assembly stability.

In order to achieve the above purpose, the utility model provides a novel locking and anti-loosening structure of a connecting disc and a taper sleeve of an impeller of a centrifugal fan, which comprises the following components: impeller, connection pad, locking gasket, taper sleeve, two at least hexagon socket head cap screws and two at least nuts, wherein, the taper sleeve is built-in the connection pad, the impeller pass through two hexagon socket head cap screws connect in on the connection pad, two hexagon socket head cap screws's one end wears to locate in the taper sleeve, two nut threaded connection in corresponding the other end of hexagon socket head cap screws, locking gasket set up in between nut and the impeller.

According to the further technical scheme, the stop gasket is of an integrally formed U-shaped structure, and through holes for the two hexagon socket head cap screws to pass through are formed in the two side arms of the stop gasket.

According to a further technical scheme, extension arms are arranged outwards at the through holes on two side walls of the stop gasket.

According to a further technical scheme, one side, far away from the impeller, of the connecting disc is connected with a motor.

The novel locking and anti-loosening structure for the connecting disc taper sleeve of the centrifugal fan impeller has the beneficial effects that:

the utility model adopts the technical scheme that: impeller, connection pad, locking gasket, taper sleeve, two at least hexagon socket head cap screws and two at least nuts, wherein, the taper sleeve is built-in the connection pad, the impeller passes through two hexagon socket head cap screws connect in on the connection pad, two hexagon socket head cap screws's one end wears to locate in the taper sleeve, two nut threaded connection in corresponding the other end of hexagon socket head cap screws, locking gasket set up in the nut with between the impeller can prevent impeller and connection pad not hard up, promotes assembly stability.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the assembly of an impeller and a connecting disc in a novel locking and anti-loosening structure of a connecting disc taper sleeve of an impeller of a centrifugal fan;

FIG. 2 is a side view of a land lock;

FIG. 3 is a front view of the connection pad lock;

FIG. 4 is a schematic diagram of a land mount;

FIG. 5 is a schematic view of a stopper washer assembly;

fig. 6 is a schematic view of the structure of the stopper washer.

Reference numerals illustrate:

an impeller 10; a land 20; a stopper pad 30; a socket head cap screw 40; a nut 50; a cone sleeve 60; a motor 70.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1 to 6, the present utility model provides a novel locking and anti-loosening structure for a connection pad 20 and a taper sleeve 60 of a centrifugal fan impeller 10, and a preferred embodiment of the locking and anti-loosening structure for the connection pad 20 and the taper sleeve 60 of the centrifugal fan impeller 10 of the present utility model includes: impeller 10, connection pad 20, locking washer 30, taper sleeve 60, two at least hexagon socket head cap screws 40 and two at least nuts 50, wherein, the taper sleeve 60 is built-in the connection pad 20, impeller 10 pass through two hexagon socket head cap screws 40 connect in on the connection pad 20, two hexagon socket head cap screws 40's one end wears to locate in the taper sleeve 60, two nuts 50 threaded connection in corresponding hexagon socket head cap screws 40's the other end, locking washer 30 set up in between nut 50 and impeller 10.

During assembly, the taper sleeve 60 is first embedded in the connecting disc 20, then two hexagon socket screws 40 are screwed into the corresponding taper sleeve 60, the stop washer 30 is inserted into the two hexagon socket screws 40, the impeller 10 is then installed, and finally the two nuts 50 are screwed onto the corresponding hexagon socket screws 40.

In this embodiment, friction force can be increased by the stop washer 30, and the two socket head cap screws 40 and the nuts 50 matched with the socket head cap screws can be matched, so that rotation between the impeller 10 and the turntable can be effectively prevented, and stability and reliability of assembly can be enhanced.

Further, in this embodiment, the stop washer 30 is in an integrally formed U-shaped structure, and two side arms of the stop washer are provided with through holes for the two socket head cap screws 40 to pass through.

In this embodiment, the stop washer 30 is designed into an integrally formed U-shaped structure, which can enhance the stability of the stop washer 30, and further enhance the assembly stability and reliability of the impeller 10 and the connection disc 20.

Further, in this embodiment, extension arms are disposed on two sidewalls of the stop pad 30 at the through hole.

The present embodiment can further enhance the assembling stability and reliability of the impeller 10 and the connection plate 20 by providing the extension arms at both side walls of the stopper washer 30.

In this embodiment, a motor 70 is connected to a side of the connection plate 20 away from the impeller 10.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the specification and drawings of the present utility model or direct/indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. Novel centrifugal fan impeller connection pad taper sleeve locking structure, its characterized in that includes: impeller, connection pad, locking gasket, taper sleeve, two at least hexagon socket head cap screws and two at least nuts, wherein, the taper sleeve is built-in the connection pad, the impeller pass through two hexagon socket head cap screws connect in on the connection pad, two hexagon socket head cap screws's one end wears to locate in the taper sleeve, two nut threaded connection in corresponding the other end of hexagon socket head cap screws, locking gasket set up in between nut and the impeller.

2. The locking and anti-loosening structure of the novel centrifugal fan impeller connecting disc taper sleeve according to claim 1, wherein the stop washer is of an integrally formed U-shaped structure, and through holes for the two hexagon socket screws to pass through are formed in two side arms of the stop washer.

3. The locking and anti-loosening structure of the novel centrifugal fan impeller connecting disc taper sleeve according to claim 2, wherein extension arms are arranged outwards at the through holes on two side walls of the stop gasket.

4. The novel centrifugal fan impeller connection disc taper sleeve locking and anti-loosening structure according to any one of claims 1 to 3, wherein a motor is connected to one side of the connection disc away from the impeller.