CN208982510U - A kind of block insert type sized cross roller bearings with shock-absorbing protecting function - Google Patents

Abstract

The utility model discloses a kind of block insert type sized cross roller bearings with shock-absorbing protecting function of technical field of bearings, including bearing outer ring, the bearing outer ring inner cavity is provided with bearing inner race, the bearing outer ring inner wall and the mutual tight fit connection of bearing inner race, the bearing inner race front surface is plugged with insert, bearing outer ring outer surface even circumferential is fixedly connected with damping connection elastic component, damping outer ring is socketed on the outside of the bearing outer ring, the utility model rolling element uses high-precision roller, arrangement mode is right-angled intersection, high torque can be born while can bear axial and radial force, the Internal and external cycle of device is all made of overall structure, add an insert, so that device has higher intensity and has higher precision, simultaneously device by the inside of inner ring with damping ring layer is respectively provided on the outside of outer ring, so that the damping performance of device is significantly It is promoted, so that damaged probability of the device when encountering collision reduces, extends the service life of device.

Description

A kind of block insert type sized cross roller bearings with shock-absorbing protecting function

Technical field

The utility model relates to technical field of bearings, specially a kind of block insert type decussation roller with shock-absorbing protecting function Bearing.

Background technique

Bearing is a kind of important spare part in contemporary mechanical equipment.Its major function is to support mechanical rotary body, is reduced Coefficient of friction in its motion process, and guarantee its rotating accuracy.

Crossed roller bearing is the special type bearing of a kind of segmentation of inner ring, outer ring rotation.Because of divided inner ring or outside Ring is fixed together after being packed into roller and spacing holder with decussation roller collar, disconnected from each other to prevent, therefore installs and hand over It pitches easy to operate when roller collar.Since roller is cross arrangement, each side only can be born with 1 set of decussation roller collar To load, compared with traditional model, rigidity improve 3 to 4 times.Meanwhile because crossed roller bearing inner ring or outer ring are two segmentations Construction, bearing clearance is adjustable, even if being applied preloading, can also obtain accurately rotary motion.Moreover, because its is special Structure, oscillating bearing is typically used as in industrial robot.

Sized cross roller bearings are one of existing common bearings, and compared to plain bearing, the shape of roller is more special It very, is the cylindricality alternately put, such characteristic is but also sized cross roller bearings are more fragile compared to general bearing, if in work Collide during making and easily lead to the damage of sized cross roller bearings, be based on this, the utility model devise it is a kind of have subtract The block insert type sized cross roller bearings of defencive function are shaken, to solve the above problems.

Utility model content

The purpose of this utility model is to provide a kind of block insert type sized cross roller bearings with shock-absorbing protecting function, with solution Sized cross roller bearings certainly mentioned above in the background art are one of existing common bearings, compared to plain bearing, rolling The shape of son is more special, for the alternately cylindricality put, such characteristic but also sized cross roller bearings compared to general bearing It is more fragile, if collide during the work time easily the damage for leading to sized cross roller bearings the problem of.

To achieve the above object, the utility model provides the following technical solutions: a kind of insert with shock-absorbing protecting function Formula sized cross roller bearings, including bearing outer ring, the bearing outer ring inner cavity are provided with bearing inner race, the bearing outer ring inner wall with The mutual tight fit connection of bearing inner race, the bearing inner race front surface are plugged with insert, and bearing outer ring outer surface circumference is equal It is even to be fixedly connected with damping connection elastic component, be socketed with damping outer ring on the outside of the bearing outer ring, and the inner wall of damping outer ring with The top of damping connection elastic component is fixedly connected, and the inner wall even circumferential of the bearing inner race is fixedly connected with rubber shock-absorbing gas Capsule, the inner cavity of the bearing inner race are provided with damping inner ring, and the outer wall of the damping inner ring and the top of rubber shock-absorbing air bag are solid Fixed connection, uniform circular is provided with roller between the bearing outer ring and bearing inner race, is bolted with interior hexagonal in the middle part of the insert Screw, the insert are fixedly connected with bearing inner race by soket head cap screw, are arranged between the bearing outer ring and bearing inner race There is outside framework oil seal.

Preferably, the bearing outer ring includes outer ring circle body, and outer ring circle body side wall front end even circumferential offers outer Mounting hole, the outer ring circle body inner wall offer annular mounting groove.

Preferably, the bearing inner race includes inner ring circle body, offers insert mounting groove at the top of the inner ring circle body, described Interior hexagonal screw hole is offered in the middle part of insert mounting groove, bearing inner race side wall rear end is uniformly provided with interior installing hole, described interior Circle circle body outer wall offers lower annular mounting groove.

Preferably, the insert includes insert ontology, offers soket head cap screw jack in the middle part of the insert ontology.

Preferably, the rubber shock-absorbing air bag includes rubber shock-absorbing utricule, and rubber shock-absorbing utricule inner cavity is symmetrical arranged There are two groups of rubber separators, silicagel column is provided between rubber separator described in two groups, is symmetrical arranged at the top of the rubber shock-absorbing utricule There are two groups of ventholes.

Compared with prior art, the utility model has the beneficial effects that the utility model rolling element uses high-precision roller, Arrangement mode is right-angled intersection, and high torque can be born while can bear axial and radial force, and the Internal and external cycle of device is adopted With overall structure, add an insert, so that device has higher intensity and has higher precision, while device passes through on the inside of inner ring Be respectively provided with damping ring layer on the outside of outer ring so that the damping performance of device greatly promotes so that device when encountering collision by It damages probability to reduce, extends the service life of device.

Detailed description of the invention

In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings Other attached drawings.

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model front view；

Fig. 3 is the utility model bearing outer ring structure sectional view；

Fig. 4 is the utility model bearing outer ring structure front view；

Fig. 5 is the utility model bearing inner race structure rearview；

Fig. 6 is the utility model bearing inner race structure sectional view；

Fig. 7 is the utility model bearing inner race structure front view；

Fig. 8 is the utility model insert structure cross-sectional view；

Fig. 9 is the utility model insert structure front view；

Figure 10 is the utility model rubber shock-absorbing airbag structure cross-sectional view.

In attached drawing, parts list represented by the reference numerals are as follows:

1- bearing outer ring, the outer ring 101- circle body, 102- outer installing hole, the upper annular mounting groove of 103-, 2- bearing inner race, 201- Inner ring circle body, 202- insert mounting groove, hexagonal screw hole in 203-, 204- interior installing hole, annular mounting groove under 205-, 3- insert, 301- insert ontology, 302- soket head cap screw jack, 4- damping connection elastic component, 5- damping outer ring, 6- rubber shock-absorbing air bag, 601- rubber shock-absorbing utricule, 602- rubber separator, 603- silicagel column, 604- venthole, 7- damping inner ring, 8- roller, six in 9- Angle screw, 10- outside framework oil seal.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts All other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-10 is please referred to, the utility model provides a kind of technical solution: a kind of block insert type with shock-absorbing protecting function Sized cross roller bearings, including bearing outer ring 1,1 inner cavity of bearing outer ring are provided with bearing inner race 2,1 inner wall of bearing outer ring With the mutual tight fit connection of bearing inner race 2,2 front surface of bearing inner race is plugged with insert 3,1 outer surface of bearing outer ring Even circumferential is fixedly connected with damping connection elastic component 4, is socketed with damping outer ring 5, and damping outer ring on the outside of the bearing outer ring 1 The top that 5 inner wall connect elastic component 4 with damping is fixedly connected, and the inner wall even circumferential of the bearing inner race 2 is fixedly connected with Rubber shock-absorbing air bag 6, the inner cavity of the bearing inner race 2 are provided with damping inner ring 7, and the outer wall of the damping inner ring 7 subtracts with rubber The top of shake air bag 6 is fixedly connected, and uniform circular is provided with roller 8, the edge between the bearing outer ring 1 and bearing inner race 2 Soket head cap screw 9 is bolted in the middle part of block 3, the insert 3 is fixedly connected with bearing inner race 2 by soket head cap screw 9, the bearing Outside framework oil seal 10 is provided between outer ring 1 and bearing inner race 2.

Wherein, the bearing outer ring 1 includes outer ring circle body 101, and the 101 side wall front end even circumferential of outer ring circle body opens up There is outer installing hole 102,101 inner wall of outer ring circle body offers annular mounting groove 103, and the bearing inner race 2 includes inner ring Circle body 201 offers insert mounting groove 202 at the top of the inner ring circle body 201, enables a device to strut inner ring circle body 201 So that forming tight fit between bearing outer ring 1 and bearing inner race 2, interior hexagonal is offered in the middle part of the insert mounting groove 202 Screw hole 203, the 2 side wall rear end of bearing inner race are uniformly provided with interior installing hole 204, and 201 outer wall of inner ring circle body offers Lower annular mounting groove 205, the insert 3 include insert ontology 301, offer soket head cap screw in the middle part of the insert ontology 301 Jack 302, the rubber shock-absorbing air bag 6 include rubber shock-absorbing utricule 601, and 601 inner cavity of rubber shock-absorbing utricule is symmetrical arranged There are two groups of rubber separators 602, silicagel column 603, the rubber shock-absorbing utricule 601 are provided between rubber separator 602 described in two groups Top is symmetrically arranged with two groups of ventholes 604.

One concrete application of the present embodiment are as follows: by user when assembling the block insert type sized cross roller bearings by bearing 1 set of outer ring is put into insert mounting groove 202 in 2 outside of bearing inner race, then by insert 3, and soket head cap screw 9 is inserted into interior by user Hex screw jack 302 simultaneously rotates so that soket head cap screw 9 into interior hexagonal screw hole 203 be threadedly coupled with it thus reach by Insert 3 is fixed on the purpose on bearing inner race 2, so that bearing inner race 2 is supportted greatly by insert 3, to reach so that bearing inner race 2 With the purpose of 1 tight fit of bearing outer ring, to complete the assembling of block insert type sized cross roller bearings, user hands over block insert type at this time Fork roller bearing be installed on desired zone carry out using；

When bearing is hit or is squeezed, damping outer ring 5 is subtracted by shock to what extrusion stretching was firmly connected with it Shake connection elastic component 4 makes damping connection elastic component 4, and deformation occurs, so that the kinetic energy of damping outer ring 5 is converted into damping company The elastic potential energy of elastic component 4 is connect, to achieve the purpose that damping, buffering, damping inner ring 7 can squeeze extruding when being hit or being shaken Stretching the rubber shock-absorbing air bag 6 being firmly connected with it makes rubber shock-absorbing utricule 601 be squeezed tensile deformation so that empty Gas flows in venthole 604, and silicagel column 603 is also squeezed tensile deformation, so that the kinetic energy of damping inner ring 7 is converted into rubber The elastic potential energy of damping utricule 601 and silicagel column 603, to achieve the purpose that damping, buffering to reduce bearing outer ring 1, in bearing The impact that circle 2 and roller 8 are subject to, so that protective device is not easily damaged.

In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples In can be combined in any suitable manner.

The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this Utility model.The utility model is limited only by the claims and their full scope and equivalents.

Claims (5)

1. a kind of block insert type sized cross roller bearings with shock-absorbing protecting function, including bearing outer ring (1), it is characterised in that: institute It states bearing outer ring (1) inner cavity to be provided with bearing inner race (2), bearing outer ring (1) inner wall and bearing inner race (2) mutual tight fit Connection, bearing inner race (2) front surface are plugged with insert (3), and bearing outer ring (1) outer surface even circumferential is fixedly connected There is damping to connect elastic component (4), is socketed with damping outer ring (5) on the outside of the bearing outer ring (1), and the inner wall of damping outer ring (5) The top that elastic component (4) is connect with damping is fixedly connected, and the inner wall even circumferential of the bearing inner race (2) is fixedly connected with rubber The inner cavity of shock-absorption air bag (6), the bearing inner race (2) is provided with damping inner ring (7), the outer wall of the damping inner ring (7) and rubber The top of glue shock-absorption air bag (6) is fixedly connected, and uniform circular is provided with rolling between the bearing outer ring (1) and bearing inner race (2) Column (8), insert (3) middle part are bolted with soket head cap screw (9), and the insert (3) and bearing inner race (2) pass through interior hexagonal spiral shell Nail (9) is fixedly connected, and is provided with outside framework oil seal (10) between the bearing outer ring (1) and bearing inner race (2).

2. a kind of block insert type sized cross roller bearings with shock-absorbing protecting function according to claim 1, it is characterised in that: The bearing outer ring (1) includes outer ring circle body (101), and outer ring circle body (101) side wall front end even circumferential offers outer peace It fills hole (102), outer ring circle body (101) inner wall offers annular mounting groove (103).

3. a kind of block insert type sized cross roller bearings with shock-absorbing protecting function according to claim 1, it is characterised in that: The bearing inner race (2) includes inner ring circle body (201), offers insert mounting groove (202) at the top of the inner ring circle body (201), Interior hexagonal screw hole (203) is offered in the middle part of the insert mounting groove (202), bearing inner race (2) the side wall rear end uniformly opens up Have interior installing hole (204), inner ring circle body (201) outer wall offers lower annular mounting groove (205).

4. a kind of block insert type sized cross roller bearings with shock-absorbing protecting function according to claim 1, it is characterised in that: The insert (3) includes insert ontology (301), offers soket head cap screw jack (302) in the middle part of the insert ontology (301).

5. a kind of block insert type sized cross roller bearings with shock-absorbing protecting function according to claim 1, it is characterised in that: The rubber shock-absorbing air bag (6) includes rubber shock-absorbing utricule (601), and rubber shock-absorbing utricule (601) inner cavity is symmetrically arranged with Two groups of rubber separators (602) are provided with silicagel column (603) between rubber separator described in two groups (602), the rubber shock-absorbing utricule (601) top is symmetrically arranged with two groups of ventholes (604).