CN207454537U - A kind of Internal and external cycle is respectively the double row ball bearing of combining structure - Google Patents

Abstract

A kind of Internal and external cycle is respectively the double row ball bearing of combining structure, is related to a kind of double row ball bearing, and ring is replaced in two outer rings（3）It is opposite respectively to be socketed in two trapezoidal unilateral annular grooves（2）It is interior, two connection rings（7）It is respectively placed in two annular link slot A（6）Interior, four inner rings replace semi-ring（13）Two trapezoidal annular grooves are respectively placed according to end to end two-by-two（11）Interior, inner ring is sleeved within outer ring, by retainer（5）By multiple spaced balls（9）It is limited to arc-shaped ring groove（4）With two arc half circle grooves（15）Between, by another retainer（5）It will other multiple spaced balls（9）It is limited to another arc-shaped ring groove（4）With other two arcs half circle groove（15）Between；The utility model realizes the purpose that when ball and the outer ring inner wall being in contact with ball, interior ring outer wall are worn, can timely replace wearing part by the way that outer ring and inner ring are respectively set to detachable structure.

Description

A kind of Internal and external cycle is respectively the double row ball bearing of combining structure

【Technical field】

The utility model is related to a kind of double row ball bearings, are respectively the double of combining structure more particularly, to a kind of Internal and external cycle Row ball bearing.

【Background technology】

Bearing is a kind of important spare part in contemporary mechanical equipment, its major function is the mechanical rotary body of support, is dropped Coefficient of friction in its low motion process, and ensure its rotating accuracy；Ball bearing is one kind of rolling bearing, by spherical alloy Steel ball is mounted on the centre of interior steel ring and outer rim, and the frictional force and raising machine in power transmission process are reduced with roll mode The transmission efficiency of tool power, ball bearing cannot bear larger heavy load, in light indusqtry machinery more typically, ball bearing one As be used in the mechanically operated equipment of low load because the loaded area of ball bearing is small, the pole in the case where running at high speed Easily there are serious mechanical injuries, double row ball bearing can effectively improve stability, when machine occurs in double row ball bearing When tool damages, general way is all to replace entire double row ball bearing, and mechanicalness damage occurs in double row ball bearing Generally in ball and the outer ring inner wall being in contact with ball, interior ring outer wall, some precision bearings are expensive, will be whole in the place of wound A double row ball bearing, which is all replaced, greatly wastes resource.

【The content of the invention】

In order to overcome the shortcomings of in background technology, the utility model discloses the biserial that a kind of Internal and external cycle is respectively combining structure Ball bearing by the way that outer ring and inner ring are respectively set to detachable structure, are realized when ball and is in contact with ball outer When circle inner wall, interior ring outer wall are worn, the purpose that can timely replace wearing part.

In order to realize the goal of the invention, the utility model adopts the following technical solution：

A kind of Internal and external cycle is respectively the double row ball bearing of combining structure, including outer ring, ball, inner ring and retainer, outside Circle includes outer ring pedestal and ring is replaced in outer ring, and trapezoidal unilateral annular groove is respectively equipped in the outer ring base internal wall both sides of outer cycle basis seat, Annular link slot A is respectively equipped between two trapezoidal unilateral annular grooves and outer ring base internal wall, in the slot bottom point of two annular link slot A Not She You screw hole A, outer ring replaces the cross sectional shape of ring to be trapezoidal, and the one side that ring is replaced in outer ring is equipped with connection ring, in connection ring Perforation A is equipped with, the inner wall that ring is replaced in outer ring is equipped with arc-shaped ring groove, and replacement ring in two outer rings is opposite respectively to be socketed in two trapezoidal lists In side ring slot, two connection rings are respectively placed in two annular link slot A, and what two groups of screw A were each passed through that two connection rings are equipped with wears It is connected after the A of hole with the screw hole A being respectively equipped on two annular link slot A, inner ring includes inner ring pedestal and inner ring replaces semi-ring, inside Two trapezoidal annular grooves are equipped at intervals in the inner ring base outer wall of cycle basis seat, annular is respectively equipped in each both sides of groove top of two trapezoidal annular grooves Link slot B is respectively equipped with screw hole B in the slot bottom of four annular link slot B, and inner ring replaces the end surface shape of semi-ring to be trapezoidal, The both sides that inner ring replaces semi-ring are respectively equipped with connection semi-ring, are respectively equipped with perforation B on two connection semi-rings, semi-ring is replaced in inner ring Outer wall in the middle part of be equipped with arc half circle groove, four inner rings replace semi-rings and are respectively placed in two trapezoidal annular grooves according to end to end two-by-two Interior, eight connection semi-rings are placed in two-by-two respectively in four annular link slot B, and eight groups of screw B are each passed through on eight connection semi-rings It is connected after the perforation B being equipped with the screw hole B being respectively equipped on four annular link slot B, inner ring is sleeved within outer ring, by retainer Multiple spaced balls are limited between arc-shaped ring groove and two arc half circle grooves, it will in addition multiple by another retainer It is limited to every the ball of arrangement between another arc-shaped ring groove and other two arcs half circle groove.

The Internal and external cycle is respectively the double row ball bearing of combining structure, and the outer ring base outer wall of outer ring pedestal is ring-type Planar structure.

The Internal and external cycle is respectively the double row ball bearing of combining structure, outer cycle basis seat outer ring base outer wall with it is outer Chamfered transition is arranged between the both ends of the surface of cycle basis seat.

The Internal and external cycle is respectively the double row ball bearing of combining structure, and the inner ring base internal wall of inner ring pedestal is ring-type Planar structure.

The Internal and external cycle is respectively the double row ball bearing of combining structure, interior cycle basis seat inner ring base internal wall with it is interior Chamfered transition is arranged between the both ends of the surface of cycle basis seat.

By adopting the above-described technical solution, the utility model has the advantages that：

Internal and external cycle described in the utility model is respectively the double row ball bearing of combining structure, by the way that outer ring and inner ring are divided Detachable structure is not arranged to, is realized when ball and the outer ring inner wall being in contact with ball, interior ring outer wall are worn, energy Enough purposes for timely replacing wearing part；The utility model is novel in design unique, highly practical, energy-saving, has Very big market popularization value.

【Description of the drawings】

Fig. 1 is the structure diagram of the utility model；

Fig. 2 is that ring fit structure schematic diagram is replaced in the outer ring pedestal of the utility model and outer ring；

Fig. 3 is the outer ring base construction schematic diagram of the utility model；

Fig. 4 is that ring structure schematic diagram is replaced in the outer ring of the utility model；

Fig. 5 is that the inner ring pedestal of the utility model and inner ring replace semi-ring fit structure schematic diagram；

Fig. 6 is the inner ring base construction schematic diagram of the utility model；

Fig. 7 is that the inner ring of the utility model replaces semi-loop schematic diagram.

In figure：1st, outer ring pedestal；2nd, trapezoidal unilateral annular groove；3rd, ring is replaced in outer ring；4th, arc-shaped ring groove；5th, retainer；6th, ring Shape link slot A；7th, connection ring；8th, outer ring base internal wall；9th, ball；10th, inner ring pedestal；11st, trapezoidal annular groove；12nd, annular connection Slot B；13rd, inner ring replaces semi-ring；14th, semi-ring is connected；15th, arc half circle groove；16th, inner ring base outer wall；17th, screw A；18th, spiral shell Hole A；19th, perforate A；20th, screw B, 21, screw hole B；22nd, perforate B.

【Specific embodiment】

The utility model can be explained in more detail by the following examples, the utility model is not limited to following Embodiment, open the purpose of this utility model are intended to all changes and improvements in protection the scope of the utility model；

Internal and external cycle with reference to described in attached drawing 1~7 is respectively the double row ball bearing of combining structure, including outer ring, ball 9, Inner ring and retainer 5, outer ring includes outer ring pedestal 1 and ring 3 is replaced in outer ring, in 8 both sides of outer ring base internal wall of outer cycle basis seat 1 point Not She You trapezoidal unilateral annular groove 2, be respectively equipped with annular link slot A6 between two trapezoidal unilateral annular grooves 2 and outer ring base internal wall 8, Screw hole A18 is respectively equipped in the slot bottom of two annular link slot A6, the outer ring base outer wall of outer ring pedestal 1 is ring plain structure, Chamfered transition is arranged between the outer ring base outer wall of outer cycle basis seat 1 and the both ends of the surface of outer ring pedestal 1, ring 3 is replaced in outer ring Cross sectional shape is trapezoidal, and the one side that ring 3 is replaced in outer ring is equipped with connection ring 7, and perforation A19 is equipped in connection ring 7, is replaced in outer ring The inner wall of ring change 3 is equipped with arc-shaped ring groove 4, and two outer rings are replaced ring 3 and are socketed in relatively in two trapezoidal unilateral annular grooves 2 respectively, two connections Ring 7 is respectively placed in two annular link slot A6, and two groups of screw A17 are each passed through after the perforation A19 that two connection rings 7 are equipped with and two The screw hole A18 connections being respectively equipped on annular link slot A6, inner ring includes inner ring pedestal 10 and inner ring replaces semi-ring 13, in inner ring Two trapezoidal annular grooves 11 are equipped at intervals in the inner ring base outer wall 16 of pedestal 10, are set respectively in each both sides of groove top of two trapezoidal annular grooves 11 There is annular link slot B12, screw hole B21, the inner ring pedestal of inner ring pedestal 10 are respectively equipped in the slot bottom of four annular link slot B12 Inner wall is ring plain structure, is arranged to down between the inner ring base internal wall of interior cycle basis seat 10 and the both ends of the surface of inner ring pedestal 10 Angle transition, inner ring replace the end surface shape of semi-ring 13 to be trapezoidal, and the both sides that semi-ring 13 is replaced in inner ring are respectively equipped with connection semi-ring 14, perforation B22 is respectively equipped on two connection semi-rings 14, is replaced in inner ring and arc half circle groove is equipped in the middle part of the outer wall of semi-ring 13 15, four inner rings are replaced semi-ring 13 and are respectively placed according to end to end two-by-two in two trapezoidal annular grooves 11, and eight connection semi-rings 14 divide It is not placed in two-by-two in four annular link slot B12, eight groups of screw B20 are each passed through the perforation that eight connection semi-rings 14 are equipped with It is connected after B22 with the screw hole B21 being respectively equipped on four annular link slot B12, inner ring is sleeved within outer ring, will by retainer 5 Multiple spaced balls 9 are limited between 4 and two arc half circle groove 15 of arc-shaped ring groove, will be in addition more by another retainer 5 A spaced ball 9 is limited between another arc-shaped ring groove 4 and other two arcs half circle groove 15.

Implement the double row ball bearing that Internal and external cycle described in the utility model is respectively combining structure, in use, will be outside two Circle is replaced ring 3 and is socketed in respectively in two trapezoidal unilateral annular grooves 2, and two connection rings 7 are respectively placed in two annular link slot A6, with two groups The screw hole A18 that screw A17 is each passed through after the perforation A19 that two connection rings 7 are equipped with and is respectively equipped on two annular link slot A6 Connection forms outer ring, and four inner rings are replaced semi-ring 13 is respectively placed according to end to end two-by-two in two trapezoidal annular grooves 11, eight Connection semi-ring 14 is placed in two-by-two respectively in four annular link slot B12, and eight connection semi-rings 14 are each passed through with eight groups of screw B20 It is connected after the perforation B22 being equipped with the screw hole B21 being respectively equipped on four annular link slot B12, forms inner ring, inner ring is sleeved on Within outer ring, two groups of required amount of balls 9 are respectively placed between two arc-shaped ring grooves 4 and two pairs of arc half circle grooves 15, with two Retainer 5 limits two groups of balls 9；When the utility model in use for some time, outer ring replace ring 3, inner ring replace When semi-ring 13 or ball 9 are worn, retainer 5 is removed, ball 9 is taken out, is installed again after being replaced to the part of abrasion It uses.

The non-detailed portion of the utility model is the prior art.

Claims (5)

1. a kind of Internal and external cycle is respectively the double row ball bearing of combining structure, including outer ring, ball（9）, inner ring and retainer （5）, it is characterized in that：Outer ring includes outer ring pedestal（1）Ring is replaced with outer ring（3）, in outer cycle basis seat（1）Outer ring base internal wall （8）Both sides are respectively equipped with trapezoidal unilateral annular groove（2）, in two trapezoidal unilateral annular grooves（2）With outer ring base internal wall（8）Between set respectively There is annular link slot A（6）, in two annular link slot A（6）Slot bottom be respectively equipped with screw hole A（18）, ring is replaced in outer ring（3）Cut Face shape is trapezoidal, and ring is replaced in outer ring（3）One side be equipped with connection ring（7）, in connection ring（7）It is equipped with perforation A（19）, Replace ring in outer ring（3）Inner wall be equipped with arc-shaped ring groove（4）, ring is replaced in two outer rings（3）It is opposite respectively to be socketed in two trapezoidal unilateral rings Slot（2）It is interior, two connection rings（7）It is respectively placed in two annular link slot A（6）It is interior, two groups of screw A（17）It is each passed through two connection rings （7）The perforation A being equipped with（19）Afterwards with two annular link slot A（6）On the screw hole A that is respectively equipped with（18）Connection, inner ring include interior Cycle basis seat（10）Semi-ring is replaced with inner ring（13）, in interior cycle basis seat（10）Inner ring base outer wall（16）On to be equipped at intervals with two trapezoidal Annular groove（11）, in two trapezoidal annular grooves（11）Each both sides of groove top be respectively equipped with annular link slot B（12）, in four annular link slots B（12）Slot bottom be respectively equipped with screw hole B（21）, inner ring replacement semi-ring（13）End surface shape to be trapezoidal, replace semi-ring in inner ring （13）Both sides be respectively equipped with connection semi-ring（14）, semi-ring is connected two（14）On be respectively equipped with perforation B（22）, replaced in inner ring Semi-ring（13）Outer wall in the middle part of be equipped with arc half circle groove（15）, four inner rings replacement semi-rings（13）According to end to end difference two-by-two It is placed in two trapezoidal annular grooves（11）It is interior, eight connection semi-rings（14）It is placed in four annular link slot B two-by-two respectively（12）It is interior, eight groups of spiral shells Silk B（20）It is each passed through eight connection semi-rings（14）The perforation B being equipped with（22）Afterwards with four annular link slot B（12）Upper difference The screw hole B being equipped with（21）Connection, inner ring is sleeved within outer ring, by retainer（5）By multiple spaced balls（9）It is limited to Arc-shaped ring groove（4）With two arc half circle grooves（15）Between, by another retainer（5）It will other multiple spaced balls（9） It is limited to another arc-shaped ring groove（4）With other two arcs half circle groove（15）Between.

2. Internal and external cycle according to claim 1 is respectively the double row ball bearing of combining structure, it is characterized in that：Outer ring pedestal （1）Outer ring base outer wall be ring plain structure.

3. Internal and external cycle according to claim 2 is respectively the double row ball bearing of combining structure, it is characterized in that：In outer cycle basis Seat（1）Outer ring base outer wall and outer ring pedestal（1）Both ends of the surface between be arranged to chamfered transition.

4. Internal and external cycle according to claim 1 is respectively the double row ball bearing of combining structure, it is characterized in that：Inner ring pedestal （10）Inner ring base internal wall be ring plain structure.

5. Internal and external cycle according to claim 4 is respectively the double row ball bearing of combining structure, it is characterized in that：In interior cycle basis Seat（10）Inner ring base internal wall and inner ring pedestal（10）Both ends of the surface between be arranged to chamfered transition.