CN211254873U - Dustproof, lubricated elevator guide pulley of being convenient for - Google Patents

Abstract

The utility model discloses a dustproof, lubricated elevator guide pulley of being convenient for, establish at the epaxial wheel body of center including center pin and cover, install the bearing of a pair of parallel between center pin and wheel body, be equipped with the boss between a pair of bearing, the boss sets up be used for spacingly on the interior anchor ring of wheel body hole the bearing, the oiling passageway has been seted up in the center pin, oiling passageway one end extends to the center pin tip is equipped with the oiling mouth, the intercommunication has still been seted up in the center pin the bearing with the oil outlet passageway of oiling passageway, it is equipped with the shield still to overlap on the center pin, the shield symmetry sets up the wheel body both sides, and the shield edge is fixed with the wheel hub of wheel body. The utility model discloses can be convenient for the oiling operation, avoid dust, impurity to get into inside the bearing, influence the wheel body operation, guarantee the parallel of both sides bearing simultaneously, avoid bearing skew wheel body, guarantee the normal operating of elevator guide pulley, improve the security.

Description

Dustproof, lubricated elevator guide pulley of being convenient for

Technical Field

The utility model relates to an elevator spare part technical field, concretely relates to dustproof, lubricated elevator guide pulley of being convenient for.

Background

The running state of the wheel bodies such as the diversion sheave and the guide wheel of the elevator directly influences the running safety and the comfort level of the elevator, wherein the normal running of the bearing in the guide wheel is very important for the running of the wheel body. The common faults of the bearing in actual operation are foreign matter invasion and insufficient lubricating grease, and a dustproof cover is required to be arranged on the bearing in sequence and lubricating oil is required to be added regularly to maintain the bearing.

At present, a gap is formed between the edge of the bearing dustproof cover and the bearing inner ring, so that the dustproof cover towards one side of the bearing inner ring is in a suspended state, the dustproof cover is only a thin metal sheet and is easy to deform, inward or outward warping is easy to occur, and therefore dust and scrap iron are easy to enter the bearing, and the operation of the bearing is influenced. In addition, the oil filling oil port of the existing guide wheel is arranged on the wheel hub, the guide wheel needs to be stopped when the bearing is lubricated, a baffle is generally arranged on the side face of the guide wheel and used for preventing dust inside, an opening corresponding to the oil port is formed in the baffle, and the oil can be filled only when the guide wheel needs to be rotated to the position corresponding to the oil port and the opening, so that the operation is very troublesome. Especially, gaps are arranged between the bearings on the two sides of the existing elevator guide wheel, the side surface freedom degree of the bearings is high, and the bearings are prone to tilting during installation and operation, so that the bearings deviate from the wheel body and the normal operation of the wheel body is influenced.

Therefore, it is necessary to develop a new type of elevator guide pulley.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dustproof, lubricated elevator guide pulley of being convenient for, this elevator guide pulley can be convenient for the oiling operation, avoids inside dust, impurity get into the bearing, influences the wheel body operation, guarantees the parallel of both sides bearing simultaneously, avoids bearing skew wheel body, guarantees the normal operating of elevator guide pulley, improves the security.

In order to realize the purpose, the technical scheme of the utility model is that:

the utility model provides a dustproof, lubricated elevator guide pulley of being convenient for, establishes at the epaxial wheel body of center including center pin and cover, install the bearing of a pair of parallel between center pin and wheel body, be equipped with the boss between a pair of bearing, the boss sets up be used for spacingly on the interior anchor ring of wheel body hole the bearing, the oiling passageway has been seted up in the center pin, oiling passageway one end extends to the center pin tip is equipped with the oiling mouth, the intercommunication has still been seted up in the center pin the bearing with the oil outlet channel of oiling passageway, it is equipped with the shield still to overlap on the center pin, the shield symmetry sets up the wheel body both sides, and the shield edge is fixed with the wheel hub of wheel body.

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

1. the utility model arranges the lug boss on the inner ring surface of the inner hole of the wheel body to limit the bearings on both sides, thereby ensuring that the bearings on both sides are parallel and can not be inclined in the hole, and ensuring the stability and the safety of the operation;

2. the oil filling port of the utility model is arranged on the outer end surface of the central shaft, which is convenient for maintenance personnel to fill oil and lubricate the bearing;

3. the utility model discloses the shield sets up in the wheel body both sides to the shield outer fringe is fixed with the wheel hub of wheel body, and inside dust, the iron fillings that avoid the shield to lead to with the unsettled deformation of bearing corresponding part got into the bearing, can effectively guarantee inside clean normal operating.

The utility model discloses a further improvement scheme as follows:

further, the oil injection channel is arranged on the axis of the central shaft, the oil outlet channel is perpendicular to the oil injection channel and arranged in the center of the central shaft, and the end part of the oil outlet channel is communicated with the gap between the boss and the central wheel.

Through adopting above-mentioned scheme, the standardized production processing of being convenient for, lubricating oil gets into the boss by the passageway of producing oil simultaneously and in the clearance of centre wheel, can moisten the bearing of both sides simultaneously.

Furthermore, a reinforcing convex ring is arranged on the inner side surface of the dust cover, the reinforcing convex ring and the bearing protrude towards the bearing side correspondingly, and a gap is formed between the reinforcing convex ring and the bearing.

By adopting the above scheme, the shield sets up in wheel body both sides, is equipped with great clearance between its and the bearing, improves shield intensity through setting up the enhancement bulge loop, avoids the shield to warp and influences life.

Furthermore, an elastic check ring is fixedly sleeved on the central shaft and arranged on an outer side surface limiting bearing of the bearing.

Through adopting above-mentioned scheme, circlip is used for blocking the bearing lateral surface to with the better limited bearing position of boss cooperation, avoid its slope to influence normal use.

Furthermore, a clamping groove matched with the elastic check ring is formed in the outer annular surface of the central shaft.

By adopting the scheme, the clamping groove is convenient for installation and positioning of the elastic check ring.

Further, the boss and the wheel body are integrally formed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is a schematic perspective view of the embodiment of the present invention with the center shaft removed.

Fig. 3 is a schematic sectional structure view of fig. 1.

Shown in the figure:

1. a central shaft; 101. a card slot;

2. a wheel body; 201. a hub;

3. a bearing;

4. a boss;

5. an oil injection channel;

6. an oil filling port;

7. an oil outlet channel;

8. a dust cover;

9. a reinforcing convex ring;

10. a circlip is provided.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

In the description of the present application, 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," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1-3, the elevator guide wheel provided in this embodiment includes a central shaft 1 and a wheel body 2 sleeved on the central shaft 1.

A pair of parallel bearings 3 are installed between the central shaft 1 and the wheel body 2, a boss 4 is arranged between the pair of bearings 3, the boss 4 is arranged on the inner annular surface of the inner hole of the wheel body 2 and used for limiting the bearings 3, and the boss 4 and the wheel body 2 are integrally formed.

Seted up oiling channel 5 in the center pin 1, 5 one ends of oiling channel extend to 1 tip of center pin and are equipped with oiling mouth 6, still set up the oily passageway 7 of the play of intercommunication bearing 3 with oiling channel 5 in the center pin 1, oiling channel 5 sets up on the axis of center pin 1, the perpendicular oiling channel 5 setting of play oily passageway 7 is at the center of center pin 1, and the 7 tip of play oily passageway communicates the clearance between boss 4 and the centre wheel. The standardized production and processing are facilitated, meanwhile, lubricating oil enters the gap between the boss 4 and the center wheel through the oil outlet channel 7, and the bearings 3 on the two sides can be simultaneously moistened.

Still the cover is equipped with shield 8 on center pin 1, and shield 8 symmetry sets up in wheel body 2 both sides, and shield 8 edge is fixed with wheel hub 201 of wheel body 2. The inner side surface of the dust cover 8 is provided with a reinforcing convex ring 9, the reinforcing convex ring 9 and the bearing 3 correspondingly protrude towards the bearing 3 side, and a gap is arranged between the reinforcing convex ring 9 and the bearing 3.

The dust cover 8 is arranged on two sides of the wheel body 2, a large gap is formed between the dust cover and the bearing 3, the strength of the dust cover 8 is improved by arranging the reinforcing convex ring 9, and the influence on the service life caused by the deformation of the dust cover 8 is avoided.

The cover is established and is fixed with circlip 10 on center pin 1, and circlip 10 sets up the spacing bearing 3 of the lateral surface at bearing 3, and circlip 10 is used for blocking bearing 3 lateral surface to with the better limited bearing 3 position of boss 4 cooperation, avoid its slope to influence normal use.

The outer ring surface of the central shaft 1 is provided with a clamping groove 101 matched with the elastic check ring 10, and the clamping groove 101 is convenient for the installation and the positioning of the elastic check ring 10.

In the embodiment, the boss 4 is arranged on the inner ring surface of the inner hole of the wheel body 2 to limit the bearings 3 at the two sides, so that the bearings 3 at the two sides are ensured to be parallel and not to be inclined in the hole, and the stability and the safety of operation are ensured;

in the embodiment, the oil injection port 6 is arranged on the outer end surface of the central shaft 1, so that maintenance personnel can conveniently inject oil into the bearing 3 for lubrication;

this embodiment shield 8 sets up in wheel body 2 both sides to 8 outer fringe of shield is fixed with wheel body 2's wheel hub 201, avoids inside dust, the iron fillings that shield 8 and bearing 3 correspond the unsettled deformation of part and lead to get into bearing 3, can effectively guarantee inside clean normal operating.

In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims (6)

1. The utility model provides a dustproof, lubricated elevator guide pulley of being convenient for, its characterized in that establishes at the epaxial wheel body of center pin including center pin and cover, install the bearing of a pair of parallel between center pin and wheel body, be equipped with the boss between a pair of bearing, the boss sets up be used for spacingly on the interior anchor ring of wheel body hole the bearing, the oiling passageway has been seted up in the center pin, oiling passageway one end extends to the center pin tip is equipped with the oiling mouth, still seted up the intercommunication in the center pin the bearing with the oil outlet channel of oiling passageway, still overlap on the center pin and be equipped with the shield, the shield symmetry sets up the wheel body both sides, and the shield edge is fixed with the wheel hub of wheel body.

2. The guide pulley for elevators of claim 1, wherein the oil injection channel is disposed on the axis of the central shaft, the oil outlet channel is disposed perpendicular to the oil injection channel at the center of the central shaft, and the end of the oil outlet channel communicates with the gap between the boss and the central shaft.

3. The guide pulley for elevators as defined in claim 1, wherein the dust cover has a reinforcing protrusion ring on an inner surface thereof, the reinforcing protrusion ring protrudes toward the bearing side in correspondence with the bearing, and a gap is formed between the reinforcing protrusion ring and the bearing.

4. The dustproof and convenient-to-lubricate elevator guide wheel according to claim 1, wherein a circlip is fixedly sleeved on the central shaft and arranged on an outer side surface of the bearing to limit the bearing.

5. The guide pulley for elevators as defined in claim 4, wherein the outer circumferential surface of the central shaft is provided with a groove for engaging with the circlip.

6. The guide pulley for elevators as defined in any one of claims 1 to 5, wherein the boss is integrally formed with the pulley body.

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