CN211874952U

CN211874952U - High-strength deep groove ball bearing

Info

Publication number: CN211874952U
Application number: CN202020401245.6U
Authority: CN
Inventors: 朱传福
Original assignee: Nanjing Dechang Forging Co ltd
Current assignee: Nanjing Dechang Forging Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-11-06
Anticipated expiration: 2030-03-25

Abstract

The utility model relates to a high strength deep groove ball bearing, it includes the outer lane, the inner circle and the steel ball between outer lane and inner circle, still include the holder, the holder includes left retaining ring and right retaining ring, a left side, right retaining ring is located the both sides of steel ring respectively, a left side, be connected with between the right retaining ring and be used for fixed left side, the coupling assembling of right retaining ring, coupling assembling includes the thread bush and the threaded rod of being connected with the thread bush, a left side, still be provided with spacing lasso in the right retaining ring, spacing lasso overlaps respectively and establishes outside thread bush and threaded rod, the spacing hole of a plurality of circumference arrays is all seted up to one side that thread bush and threaded rod deviate from each other, spacing downthehole be equipped with the stop screw who deviates from one side threaded connection each other with spacing lasso, still be provided. The utility model discloses have the firm degree of connection that improves the holder to improve the effect of the whole use intensity of bearing.

Description

High-strength deep groove ball bearing

Technical Field

The utility model belongs to the technical field of the technique of bearing and specifically relates to a high strength deep groove ball bearing is related to.

Background

The bearing is an important part in the modern mechanical equipment, is mainly used for determining the relative movement position of a rotating shaft and other parts, plays a role in supporting or guiding, has the main function of supporting a mechanical rotating body, is used for reducing the mechanical load friction coefficient of the equipment in the transmission process, and can be divided into a rolling bearing and a sliding bearing according to the difference of the friction properties of moving elements, and a deep groove ball bearing is the most common type of the rolling bearings.

The existing bulletin numbers are: CN 205618539U's chinese patent discloses a deep groove ball bearing, inner circle include inner wall, outer wall and the lateral wall that links to each other with inner wall and outer wall both ends, the both ends of inner wall are equipped with the circular arc holding surface with the lateral wall junction, the circular arc holding surface includes ejecting portion, supporting part and elastic component, the elastic component is placed between ejecting portion and supporting part, the outer wall is equipped with the buffering face with the lateral wall junction, the buffering face includes first connection face and second connection face, interconnect between first connection face and the second connection face, first connection face and second connection face are circular-arcly.

The above prior art solutions have the following drawbacks: when the bearing bears high strength and is used for a long time, the rivet connected with the retainer is easy to loosen, so that balls can vibrate, the integral integrity of the bearing is reduced, and the integral use strength of the bearing is affected.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a high strength deep groove ball bearing has the firm degree of connection that improves the holder to improve the effect of the whole use intensity of bearing.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a high strength deep groove ball bearing, includes outer lane, inner circle and the steel ball between outer lane and inner circle, still includes the holder, the holder includes left retaining ring and right retaining ring, left and right retaining ring is located the both sides of steel ring respectively, be connected with the coupling assembling that is used for fixed left and right retaining ring between left and right retaining ring.

Through adopting above-mentioned technical scheme, inner circle and outer lane centre gripping steel ball, the steel ball realizes the location under the effect of retainer ring, make the solid bearing can use, left side retainer ring and right retainer ring do not adopt the riveted mode to connect, connect left retainer ring and right retainer ring through coupling assembling, make left retainer ring and right retainer ring firm in connection, can carry out long-time use, and difficult appearance is become flexible and break away from, thereby make the steel ball difficult appearance shake at the roll in-process, and then improved holistic use strength.

The present invention may be further configured in a preferred embodiment as: the left and right retaining rings are provided with a plurality of counter bores along the circumferential direction, the counter bores are axially formed along the inner ring, the connecting assembly comprises a threaded sleeve and a threaded rod, the threaded sleeve is inserted into the counter bore of the left retaining ring, the threaded rod is inserted into the counter bore of the right retaining ring, and one side of the threaded sleeve opposite to the threaded rod is provided with an inner threaded hole for threaded connection of the threaded rod.

Through adopting above-mentioned technical scheme, thread bush and threaded rod are all inserted and are established in the counter bore to behind left retaining ring and right retaining ring cladding steel ball, the threaded rod can with interior screw thread connection, realize fixed the being connected of left retaining ring and right retaining ring, and then reach the effect that improves solid bearing service strength.

The present invention may be further configured in a preferred embodiment as: the left retaining ring and the right retaining ring are internally provided with limiting rings, the limiting rings are sleeved outside the threaded sleeve and the threaded rod respectively and inserted in the counter bores, one sides of the threaded sleeve and the threaded rod, which deviate from each other, are provided with a plurality of limiting holes in circumferential arrays, limiting screws in threaded connection with the sides of the limiting rings, which deviate from each other, are arranged in the limiting holes, and the limiting rings are also internally provided with positioning members for limiting the rotation of the limiting rings.

Through adopting above-mentioned technical scheme, under the effect of stop collar, reduce the wearing and tearing of thread bush and screw-threaded rod to left retaining ring and right retaining ring, fix the stop collar in the counter bore under the effect of locating component, make the difficult appearance of stop collar rotate, wear to establish the stop screw who is used for connecting the stop collar in the spacing hole that thread bush and threaded rod deviate from one side each other and set up, thereby make the thread bush and the threaded rod be connected with the stop collar difficult for rotating, further make left retaining ring and right retaining ring be difficult for appearing not hard up and breaking away from after being connected.

The present invention may be further configured in a preferred embodiment as: the locating component comprises a locating rod and a locating spring, locating holes are symmetrically formed in the outer wall of the limiting ring, the locating spring is located in the locating hole, the locating rod portion penetrates through the locating spring, one end of the locating spring is connected with the bottom wall of the locating hole, the other end of the locating spring is connected with the locating rod, jacks for inserting the locating rod are formed in the inner walls, provided with counter bores, of the left retaining ring and the right retaining ring, and the jacks are formed in the inner ring in the radial direction.

Through adopting above-mentioned technical scheme, when inserting and establishing spacing lasso, press fit the locating lever into the locating hole completely, locating spring is in compression state this moment, and when the locating hole corresponded with the jack position, locating spring release elasticity, the locating lever inserted under locating spring's elastic force effect and closed in the jack to realize the fixed to spacing lasso, and make spacing lasso be difficult for appearing rotating.

The present invention may be further configured in a preferred embodiment as: the insertion hole penetrates through the left and right retaining rings.

Through adopting above-mentioned technical scheme, the jack is seted up and is run through left and right retaining ring along the inner circle radial direction for when dismantling the integral bearing, operating personnel can conveniently insert the jack and press the locating lever into the locating hole through auxiliary workpiece, thereby can conveniently dismantle spacing lasso.

The present invention may be further configured in a preferred embodiment as: and a limiting spring is further arranged in the limiting hole, and one end of the limiting spring is connected with the inner wall of the limiting hole close to the limiting ferrule and sleeved outside the limiting screw.

Through adopting above-mentioned technical scheme, spacing spring and spacing downthehole wall connection for spacing spring is difficult for breaking away from in the spacing hole, and under spacing spring's effect, has increased stop screw's twisting resultant force, and the joint force when making stop screw and spacing lasso threaded connection more increases.

The present invention may be further configured in a preferred embodiment as: the limiting screw is further sleeved with a sheath, the limiting spring is far away from one end connected with the limiting hole and connected with the outer wall of the sheath, and the limiting screw is in interference fit with the sheath.

Through adopting above-mentioned technical scheme, the canning interference fit that stop screw and stop screw overcoat were established for can rotate relatively between stop screw and the canning, nevertheless difficult alternate segregation, and spacing spring is connected with the canning, makes when loosening the being connected of stop screw and spacing lasso, stop screw is difficult for being bounced off spacing hole.

The present invention may be further configured in a preferred embodiment as: the annular groove is further formed in one side, deviating from each other, of the counter bore in the left retaining ring and the counter bore in the right retaining ring, and the blocking cover used for blocking the counter bore is clamped in the annular groove.

Through adopting above-mentioned technical scheme, the blanking cover card is established into in the annular for shutoff counter bore under the effect of blanking cover, and carry out the shutoff to stop screw, make stop screw be difficult for with spacing lasso separation, and then further improvement left and right retaining ring's the firm degree of connection, realize that the integral bearing can improve use strength.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the left retaining ring and the right retaining ring are connected through the connecting assembly, so that the left retaining ring and the right retaining ring are firmly connected, and are not easy to loosen and separate under a high-strength and long-time working environment, the steel ball is not easy to shake, and the integral use strength is improved;

2. make the difficult appearance of spacing lasso rotate through locating component to be connected threaded bush and threaded rod and spacing lasso under stop screw's effect, and then make the monolithic connection more firm, and further make whole difficult appearance not hard up under the effect of blanking cover.

Drawings

Fig. 1 is a schematic view showing the overall structure of a bearing.

Fig. 2 is a partially sectional schematic view showing the junction of the left and right retaining rings.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 2.

In the figure, 1, outer ring; 2. an inner ring; 3. a steel ball; 4. a holder; 41. a left retaining ring; 42. a right retaining ring; 43. a counter bore; 44. a jack; 45. a ring groove; 5. a connecting assembly; 51. a threaded sleeve; 52. a threaded rod; 53. an inner threaded hole; 54. a limiting hole; 55. a limit screw; 56. a limiting spring; 57. sheathing; 6. a limiting ferrule; 61. positioning holes; 7. a positioning member; 71. positioning a rod; 72. a positioning spring; 8. and (7) blocking the cover.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a high strength deep groove ball bearing, including outer lane 1, inner circle 2, steel ball 3 between inner circle 2 and outer lane 1 and holder 4 of cladding steel ball 3, holder 4 includes left retaining ring 41 and right retaining ring 42, through riveting connection between left retaining ring 41 and the right retaining ring 42 among the prior art, be connected with the coupling assembling 5 that is used for fixed left retaining ring 41 and right retaining ring 42 between left retaining ring 41 and the right retaining ring 42 in this embodiment, make under coupling assembling 5's effect with left retaining ring 41 and right retaining ring 42 firm in connection, and realize the cladding to steel ball 3, realize difficult separation that appears left retaining ring 41 and right retaining ring 42 when the long-time high strength work of integral bearing, thereby improve integral bearing's use intensity.

Referring to fig. 2 and 3, a plurality of counter bores 43 are formed in the left retaining ring 41 and the right retaining ring 42 along the circumferential direction, the counter bores 43 are formed in the axial direction of the inner ring 2, a limiting ferrule 6 is arranged in the counter bores 43, the length of the limiting ferrule 6 is smaller than the depth of the counter bores 43, positioning members 7 for preventing the limiting ferrule 6 from rotating in the counter bores 43 are symmetrically arranged on the outer wall of the limiting ferrule 6, each positioning member 7 comprises a positioning rod 71 and a positioning spring 72, positioning holes 61 are symmetrically formed in the outer wall of the limiting ferrule 6, the positioning springs 72 are located in the positioning holes 61, one end of each positioning spring 72 is connected with the bottom wall of the corresponding positioning hole 61, the other end of each positioning spring 72 is connected with the corresponding positioning rod 71, one half of the positioning rod 71, which is far away from the corresponding positioning spring 72, penetrates through the corresponding positioning hole 61, insertion holes 44 for inserting the positioning rods 71 are formed in;

when the limiting ferrule 6 is inserted into the counter bore 43, the positioning rod 71 is completely pressed into the positioning hole 61, the positioning spring 72 is in a compressed state, and when the positioning hole 61 corresponds to the insertion hole 44, the positioning spring 72 releases elastic force, so that the positioning rod 71 is inserted into the insertion hole 44 under the elastic force of the positioning spring 72, the limiting ferrule 6 is fixed, and the limiting ferrule 6 is not easy to move and rotate;

when the integral bearing is disassembled, an operator can press the positioning rod 71 into the positioning hole 61 through the insertion hole 44, so that the limiting ring 6 can be conveniently disassembled.

Referring to fig. 2, the connection assembly 5 includes a threaded sleeve 51 and a threaded rod 52, the threaded sleeve 51 and the threaded rod 52 are respectively inserted into the counter bores 43 of the left retaining ring 41 and the right retaining ring 42 and inserted into the position-limiting collar 6, an inner threaded hole 53 is opened on one side of the threaded sleeve 51 facing the threaded rod 52, the threaded rod 52 is in threaded connection with the inner threaded hole 53, so that the left retaining ring 41 and the right retaining ring 42 are connected after the threaded sleeve 51 is connected with the threaded rod 52, and the left retaining ring 41 and the right retaining ring 42 are not easily separated.

Referring to fig. 2 and 4, a plurality of circumferentially arrayed limiting holes 54 are formed in the opposite sides of the threaded sleeve 51 and the threaded rod 52, a limiting spring 56 is arranged in each limiting hole 54, one end of the limiting spring 56 is connected with the inner wall, close to the limiting ferrule 6, of each limiting hole 54, a limiting screw 55 penetrates through the limiting spring 56, a sheath 57 is sleeved outside each limiting screw 55, the limiting screws 55 and the sheath 57 are in interference fit, so that the limiting screws 55 and the sheath 57 can rotate relatively and are not easy to separate, the end, far away from the connecting end with the limiting holes 54, of the limiting spring 56 is connected with the outer wall of the sheath 57, the opposite sides of the limiting screws 55 and the limiting ferrule 6 are in threaded connection, so that the threaded sleeve 51, the threaded rod 52 and the limiting ferrule 6 are firmly connected under the action of the limiting screws 55, and the threaded sleeve 51, the threaded rod 52 and the limiting ferrule 6, thereby making the holder 4 firmly connected.

Referring to fig. 2, a ring groove 45 is further formed in one side of the left retaining ring 41 and the side of the retaining ring 42, where the counter bore 43 deviates from each other, a blocking cover 8 for blocking the counter bore 43 is clamped in the ring groove 45, the blocking cover 8 is in interference fit with the ring groove 45, and the blocking cover 8 blocks the counter bore 43, so that the thread sleeve 51 and the threaded rod 52 are more difficult to break away from the counter bore 43, further, the integral connection firmness degree is further improved, the blocking cover 8 is further convenient to detach, and the retainer 4 is convenient to detach.

The implementation principle of the embodiment is as follows: realize the connection to left retaining ring 41 and right retaining ring 42 through coupling assembling 5, make firm in connection between left retaining ring 41 and the right retaining ring 42, and under spacing lasso 6 and stop screw 55's effect, make difficult appearance separation between thread bush 51 and the threaded rod 52, under blanking cover 8's effect, further improvement thread bush 51 and threaded rod 52's connection is firm, make left retaining ring 41 and right retaining ring 42 at high strength, difficult appearance is not hard up and breaks away from under the long-time operational environment, thereby make steel ball 3 difficult the appearance shake, and then improved the intensity of whole use.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a high strength deep groove ball bearing, includes outer lane (1), inner circle (2) and steel ball (3) between outer lane (1) and inner circle (2), its characterized in that: the steel ring is characterized by further comprising a retainer (4), wherein the retainer (4) comprises a left retaining ring (41) and a right retaining ring (42), the left retaining ring (41) and the right retaining ring (42) are respectively located on two sides of the steel ring, and a connecting assembly (5) for fixing the left retaining ring (41) and the right retaining ring (42) is connected between the left retaining ring (41) and the right retaining ring (42).

2. The high strength deep groove ball bearing of claim 1, wherein: a plurality of counter bores (43) have all been seted up along the circumferencial direction in left and right retaining ring (41, 42), counter bore (43) are seted up along inner circle (2) axial, coupling assembling (5) are including thread bush (51) and threaded rod (52), thread bush (51) are inserted and are established in counter bore (43) of left retaining ring (41), threaded rod (52) are inserted and are established in counter bore (43) of right retaining ring (42), interior screw hole (53) that supply threaded rod (52) threaded connection are seted up to one side that thread bush (51) and threaded rod (52) are opposite.

3. The high strength deep groove ball bearing of claim 2, wherein: the left and right retaining rings (41, 42) are internally provided with limiting rings (6), the limiting rings (6) are respectively sleeved outside the threaded sleeve (51) and the threaded rod (52) and are inserted into the counter bore (43), one sides of the threaded sleeve (51) and the threaded rod (52) which are mutually deviated are respectively provided with a plurality of limiting holes (54) in a circumferential array, the limiting holes (54) are internally provided with limiting screws (55) which are in threaded connection with the side of the limiting rings (6) which are mutually deviated, and the limiting rings (6) are also internally provided with positioning members (7) for limiting the rotation of the limiting rings (6).

4. A high strength deep groove ball bearing according to claim 3, wherein: the positioning component (7) comprises a positioning rod (71) and a positioning spring (72), the outer wall of the limiting ring (6) is symmetrically provided with positioning holes (61), the positioning spring (72) is located in the positioning holes (61), the positioning rod (71) is partially arranged in the positioning spring (72) in a penetrating mode, one end of the positioning spring (72) is connected with the bottom wall of the positioning hole (61), the other end of the positioning spring is connected with the positioning rod (71), the inner wall of the left retaining ring (41) and the inner wall of the right retaining ring (42) provided with counter bores (43) are provided with insertion holes (44) for inserting the positioning rod (71), and the insertion holes (44) are formed along the radial direction of the inner ring.

5. The high strength deep groove ball bearing of claim 4, wherein: the insertion hole (44) penetrates through the left and right retaining rings (41, 42).

6. A high strength deep groove ball bearing according to claim 3, wherein: a limiting spring (56) is further arranged in the limiting hole (54), and one end of the limiting spring (56) is connected with the inner wall, close to the limiting ferrule (6), of the limiting hole (54) and sleeved outside the limiting screw (55).

7. The high strength deep groove ball bearing of claim 6, wherein: and the limiting screw (55) is further sleeved with an enclosure (57), the limiting spring (56) is far away from one end connected with the limiting hole (54) and is connected with the outer wall of the enclosure (57), and the limiting screw (55) is in interference fit with the enclosure (57).

8. A high strength deep groove ball bearing according to any one of claims 3 to 7, wherein: and a ring groove (45) is further formed in one side, which is deviated from the counter bore (43) in the left retaining ring (41) and the right retaining ring (42), and a blocking cover (8) used for blocking the counter bore (43) is clamped in the ring groove (45).