CN209100501U

CN209100501U - Motor turning bearings

Info

Publication number: CN209100501U
Application number: CN201821857491.1U
Authority: CN
Inventors: 蔡宗勇
Original assignee: Fujian Boyong Machinery Manufacturing Co Ltd
Current assignee: Fujian Boyong Machinery Manufacturing Co Ltd
Priority date: 2018-11-12
Filing date: 2018-11-12
Publication date: 2019-07-12
Anticipated expiration: 2028-11-12

Abstract

The utility model discloses a kind of motor turning bearings, including bearing case, bearing upper cover, bearing lower cover and ball, upper shell is opening, lower end has the positioning disk of centre bore, ball is fixed on the binding face between bearing upper cover and bearing lower cover, binding face between bearing upper cover and bearing lower cover is provided with the positioning table fixed with ball engagement, bearing upper cover and bearing lower cover center are equipped with the through-hole being connected to centre bore, and it is mounted on inside bearing case, the first sealing is equipped between on the outside of bearing case upper end inner wall and bearing upper cover, the outer rim of the positioning disk is equipped with the second sealing, the utility model passes through the first sealing and the second sealing, external water can be effectively prevented, silt etc. enters Bearing inner, good seal performance, long service life, it can adapt to the severe working condition of comparison.

Description

Motor turning bearings

Technical field

The utility model relates to a kind of bearings, and in particular to a kind of motor turning bearings.

Background technique

Global warming, southern area city rainy season waterlogging increase, and enter energy for the anti-foreign matter of family car bearing The promotion of power claims, currently known bearing in use, due to bearing when rotated lubricating grease be extruded into outside, and Bearing really rotates in the case where unlubricated rouge, so the service life of bearing substantially reduces；Since bearing is using Environment is different, and external water, grease, foreign matter penetrate into Bearing inner, keeps bearing grease rotten or, into impurity, leads to bearing Service life substantially reduces.

Utility model content

In place of overcoming the above deficiencies in the existing technologies, the purpose of this utility model is to provide a kind of automobiles Free bearing.

The utility model is achieved through the following technical solutions: motor turning bearings, including bearing case, bearing upper cover, Bearing lower cover and ball, bearing case upper end be opening, lower end have centre bore positioning disk, ball be fixed on bearing upper cover with Binding face between bearing lower cover, the binding face between bearing upper cover and bearing lower cover are provided with and ball engagement fixation Positioning table, bearing upper cover and bearing lower cover center are equipped with the through-hole being connected to centre bore, and are mounted on inside bearing case, described The first sealing is equipped between on the outside of bearing case upper end inner wall and bearing upper cover, the outer rim of the positioning disk is equipped with the second sealing Portion.

Further, the first sealing described in the utility model includes first between bearing case and bearing upper cover Epipharynx, the first outer lip being fitted on the outside of bearing case and the first dustproof lip being connect with the first epipharynx and the first outer lip, the One dustproof lip is tightly attached to bearing case upper surface, and the first epipharynx, the first outer lip and the first dustproof lip are using integrated molding.

Further, the second sealing described in the utility model includes being bonded with bearing lower cover bottom surface and positioning disk outer end face Second epipharynx of fitting, the second outer lip for being bonded with positioning disk bottom surface, the second epipharynx are outward extended with the second dustproof lip, in second Lip, the second outer lip and the second dustproof lip are using integrated molding.

Further, bearing case inner wall described in the utility model is equipped with cambered surface limiting stand, first epipharynx lower end Face is bonded with cambered surface limiting stand.

The utility model compared with prior art, has the following advantages that and the utility model has the advantages that the utility model is close by first Envelope portion and the second sealing can be effectively prevented external water, silt etc. and enter Bearing inner, good seal performance, service life It is long, it can adapt to the severe working condition of comparison.

Detailed description of the invention

Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model Sign, objects and advantages will become apparent:

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the portion the A enlarged structure schematic diagram of Fig. 1；

Fig. 3 is the portion the B enlarged structure schematic diagram of Fig. 1；

Wherein: 1-bearing case, 2-bearing upper covers, 3-bearing lower covers, 4-balls, 5-positioning disks, 6-positioning tables, 7-the first sealing, the 8-the second sealing, 10-cambered surface limiting stands, 20-through-holes, the 70-the first epipharynx, outside 71-the first Lip, the 72-the first dustproof lip, the 80-, 81-the second outer lip, the 82-the second dustproof lip.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For limitations of the present invention.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two More than a.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；It is also possible to be connected directly, is also possible to indirect by intermediary It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition State the concrete meaning of term in the present invention.

The motor turning bearings of the present embodiment, as shown in Figure 1, Figure 2 and Figure 3, including bearing case 1, bearing upper cover 2, Bearing lower cover 3 and ball 4, ball 4 are cone-shaped, and 1 upper end of bearing case is opening, and lower end has the positioning disk 5 of centre bore 50, Ball 4 is fixed on the binding face between bearing upper cover 2 and bearing lower cover 3, being bonded between bearing upper cover 2 and bearing lower cover 3 Face is provided with cooperates fixed positioning table 6 with ball 4, and bearing upper cover 2 and 3 center of bearing lower cover are equipped with to be connected to centre bore Through-hole 20, and be mounted on inside bearing case 1, the 1 upper end inner wall of bearing case and bearing upper cover are equipped with first between 2 outside The outer rim of sealing 7, the positioning disk is equipped with the second sealing 8.

First sealing 7 includes the first epipharynx 70 between bearing case 1 and bearing upper cover 2, is fitted in outside bearing First outer lip 71 in 1 outside of shell and the first dustproof lip 72 being connect with the first epipharynx 70 and the first outer lip 71, the first dustproof lip 72 are tightly attached to 1 upper surface of bearing case, and 1 inner wall of bearing case is equipped with cambered surface limiting stand 10,70 lower end surface of the first epipharynx and arc Face limiting stand 10 is bonded, and the first epipharynx 70, the first outer lip 71 and the first dustproof lip 72 are using integrated molding.

Second sealing 8 include be bonded with 3 bottom surface of bearing lower cover and the second epipharynx 80 of positioning disk outer end face fitting, with it is fixed Second outer lip 81 of position 5 bottom surface of disk fitting, the second epipharynx 80 are outward extended with the second dustproof lip 82, outside the second epipharynx 80, second Lip 81 and the second dustproof lip 82 are using being integrally formed, and when processing, first bearing case are made, bearing case is then put into mold It is interior, it is molded the first sealing 7 and the second sealing 8 is formed with bearing case 1.

In use, being pierced by from main shaft from the centre bore of bearing case 1 to through-hole 20, automobile component is sheathed on main shaft and presses Tightly in 2 end face of bearing upper cover, increase by the first sealing 7 between bearing upper cover 2 and bearing case 1, the second sealing on positioning disk 5 Portion 8 and main shaft compress, and bearing entire so is just not exposed to the gap in air, so as to effectively prevent external water, Silt etc. enters Bearing inner, good seal performance, and long service life can adapt to the severe working condition of comparison.

While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where not departing from the principles of the present invention and objective, The scope of the utility model is defined by the claims and their equivalents.

Claims

1. motor turning bearings, including bearing case, bearing upper cover, bearing lower cover and ball, it is characterised in that: the bearing Upper shell is opening, and lower end has the positioning disk of centre bore, and ball is fixed on being bonded between bearing upper cover and bearing lower cover Face, the binding face between bearing upper cover and bearing lower cover are provided with the positioning table fixed with ball engagement, bearing upper cover and Bearing lower cover center is equipped with the through-hole being connected to centre bore, and is mounted on inside bearing case, bearing case upper end inner wall The first sealing is equipped between bearing upper cover outside, the outer rim of the positioning disk is equipped with the second sealing.

2. motor turning bearings according to claim 1, it is characterised in that: first sealing includes being located at bearing The first epipharynx between shell and bearing upper cover, the first outer lip being fitted on the outside of bearing case and with the first epipharynx and first First dustproof lip of outer lip connection, the first dustproof lip are tightly attached to bearing case upper surface, and the first epipharynx, the first outer lip and first are anti- Dirt lip is using integrated molding.

3. motor turning bearings according to claim 1, it is characterised in that: second sealing include under bearing Base face paste is closed and positioning disk outer end face is bonded the second epipharynx, the second outer lip for being bonded with positioning disk bottom surface, the second epipharynx to It is extended with the second dustproof lip outside, the second epipharynx, the second outer lip and the second dustproof lip are using integrated molding.

4. motor turning bearings according to claim 2, it is characterised in that: the bearing case inner wall is equipped with cambered surface Limiting stand, first epipharynx lower end surface are bonded with cambered surface limiting stand.