CN217002676U

CN217002676U - Needle roller bearing with wedge-shaped locking grooves

Info

Publication number: CN217002676U
Application number: CN202220899819.6U
Authority: CN
Inventors: 刘培军
Original assignee: Zhucheng Foxon Machinery Technology Co ltd
Current assignee: Zhucheng Foxon Machinery Technology Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-07-19
Anticipated expiration: 2032-04-19

Abstract

The utility model discloses a needle bearing with a wedge-shaped locking groove, which comprises: an outer ring and an inner ring; an inner ring is embedded in the outer ring, a rotary groove is formed in the inner wall of the inner ring, and a roller pin is embedded in the rotary groove. This take bearing of wedge locking groove, the locating piece can reset through first spring self elasticity when wedge and locating piece separate, can fix a position the wedge when the locating piece resets, make things convenient for and can carry out fast assembly between outer lane and the inner circle, can slide through spread groove and slot when the inserted bar removes, can fix a position the movable block when inserted bar one end slides inside the slot, make things convenient for the movable block to fix a position when promoting the assigned position, can stimulate the kingpin when locating bar roll-off constant head tank, can carry out the sliding separation through the swivelling chute when the kingpin receives the pulling, make things convenient for the kingpin to dismantle the change fast when receiving the loss.

Description

Needle roller bearing with wedge-shaped locking grooves

Technical Field

The utility model relates to the technical field of mechanical parts, in particular to a needle roller bearing with a wedge-shaped locking groove.

Background

Needle bearings are roller bearings with cylindrical rollers, which are both thin and long relative to their diameter. Such rollers are called needles. The needle roller bearing is provided with thin and long rollers, so that the radial structure is compact, the inner diameter size and the load capacity of the needle roller bearing are the same as those of other types of bearings, the outer diameter of the needle roller bearing is the smallest, the needle roller bearing is particularly suitable for a supporting structure with limited radial installation size, and the existing needle roller bearing has certain defects in use, such as;

the utility model discloses a needle bearing with a sealing mechanism, such as a needle bearing with a publication number of CN215214367U, relates to the technical field of needle bearings, and particularly relates to a needle bearing with a sealing mechanism, which solves the problems that the needle bearing in the prior art does not usually have a sealing mechanism, the traditional needle bearing usually has a certain gap, and when the needle bearing is used in a machine with a certain sealing property, certain disadvantages are caused, and the normal use of the machine is further influenced. The utility model provides a bearing with sealing mechanism, includes the outer loop, and the inboard of outer loop is equipped with the inner ring, is equipped with movable chamber between inner ring and the outer loop, the equal fixedly connected with a plurality of connecting rod in both sides of outer loop, and the equal fixedly connected with slider of one end that all connecting rods are close to the inner ring. The mode provided by the utility model realizes that a sealing function is provided when the roller pins normally operate, avoids the problem of insufficient sealing in a use scene needing sealing, and enhances the use effect of the roller pin bearing;

this prior art solution also presents the following problems when in use:

1. the outer ring and the inner ring are usually connected through clamping, the outer ring and the inner ring are troublesome to disassemble and assemble, and the outer ring and the inner ring are inconvenient to assemble;

2. the moving block is inconvenient to position when pushed to a specified position;

3. the roller pins are damaged when being used for a long time, and are inconvenient to replace after being damaged;

improvements are needed to address the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides the following technical scheme: the utility model aims to provide a needle roller bearing with a wedge-shaped locking groove, which aims to solve the problems that the needle roller bearing with the wedge-shaped locking groove in the market proposed by the background technology has many defects, an outer ring and an inner ring are usually connected through clamping, the outer ring and the inner ring are troublesome to disassemble and assemble, the outer ring and the inner ring are inconvenient to assemble, a moving block is inconvenient to position when pushed to a specified position, a needle roller is damaged during long-term use, and the needle roller is inconvenient to replace after being damaged.

In order to achieve the purpose, the utility model provides the following technical scheme: a needle bearing with wedge-shaped locking grooves, comprising: an outer ring and an inner ring;

an inner ring is embedded in the outer ring, a rotary groove is formed in the inner wall of the inner ring, and a roller pin is embedded in the rotary groove;

the wedge block is connected to the outer side face of the inner ring and is embedded in the wedge groove, the wedge groove is formed in the inner wall of the outer ring, a first extrusion groove is formed in the wedge groove, and a first spring is connected to the interior of the first extrusion groove;

the positioning block is connected to the end of the first spring, a moving groove is formed in the inner wall of the first extrusion groove in a penetrating mode, and a moving block is connected to the side face, close to the moving groove, of the positioning block.

Preferably, the vertical section of the wedge block is the same as the vertical section of the wedge groove in size, the wedge block is connected with the wedge groove in a sliding mode, the inner ring is pulled to drive the wedge block to be in butt joint with the wedge groove, and the wedge block and the wedge groove can slide by pushing the inner ring.

Preferably, the positioning block and the moving block are of an integrated structure, the positioning block and the first extrusion groove form a telescopic structure through the first spring, the positioning block and the first extrusion groove are in sliding connection, the moving block and the moving groove are in sliding connection, the wedge-shaped block can be extruded when sliding to the inclined surface of the positioning block, the positioning block can slide through the first extrusion groove when being extruded, and the positioning block can be extruded through the first spring when sliding.

Preferably, the moving block is provided with a connecting groove, a limiting groove, an inserting rod and a limiting block;

the connecting groove penetrates through the surface of the moving block, and a limiting groove is formed in the inner wall of the connecting groove;

the inserted bar runs through and is embedded in the connecting groove, when the moving block slides to the top end of the moving groove, the inserted bar can be driven to be in butt joint with the slot, and the side face, close to the limiting groove, of the inserted bar is connected with the limiting block.

Preferably, the cross section of the slot, the cross section of the connecting groove and the minimum cross section of the inserted bar are the same in size, the slot, the connecting groove and the inserted bar are in sliding connection, the inserted bar can slide with the slot through the connecting groove when moving, and the moving block can be positioned when one end of the inserted bar slides into the slot.

Preferably, inserted bar and stopper structure as an organic whole, and be sliding connection between stopper and the spacing groove, promote the inserted bar and can drive the stopper and remove, can slide through the spacing groove when the stopper removes.

Preferably, a positioning groove is formed in the inner wall of the rotating groove in a penetrating manner, and the roller pin is further provided with a second extrusion groove, a second spring, an extrusion plate and a positioning rod;

the second extrusion grooves are formed in two ends of the rolling needles, and second springs are connected inside the second extrusion grooves;

the extrusion plate is connected at the end part of the second spring, the second spring can be extruded when the extrusion plate slides, and the side surface of the extrusion plate, which is close to the positioning groove, is connected with a positioning rod.

Preferably, stripper plate and locating lever structure as an organic whole, and be sliding connection between stripper plate, locating lever and constant head tank, the second extrusion groove to constitute extending structure through the second spring between stripper plate and the second extrusion groove, the pulling firing pin can extrude the locating lever at kingpin both ends, can slide through constant head tank and second extrusion groove when the locating lever receives the extrusion, and the locating lever can drive the stripper plate when sliding and remove, can slide through the second extrusion groove when the stripper plate removes.

Compared with the prior art, the utility model has the beneficial effects that: this take bearing of wedge locking groove, the locating piece can reset through first spring self elasticity when wedge and locating piece separate, can fix a position the wedge when the locating piece resets, make things convenient for and can carry out fast assembly between outer lane and the inner circle, can slide through spread groove and slot when the inserted bar removes, can fix a position the movable block when inserted bar one end slides inside the slot, make things convenient for the movable block to fix a position when promoting the assigned position, can stimulate the kingpin when locating bar roll-off constant head tank, can carry out the sliding separation through the swivelling chute when the kingpin receives the pulling, make things convenient for the kingpin to dismantle the change fast when receiving the loss.

1. The inner ring is pulled to drive the wedge block to be in butt joint with the wedge groove, the inner ring is pushed to enable the wedge block to slide with the wedge groove, the wedge block can be extruded when sliding to the inclined surface of the positioning block, the positioning block can slide through the first extrusion groove when being extruded, the positioning block can be extruded to the first spring when sliding, the wedge block can slide to the inside of the wedge groove when the positioning block is extruded to the inside of the first extrusion groove, the wedge block can be separated from the positioning block, the positioning block can reset through the self elasticity of the first spring when being separated from the positioning block, the wedge block can be positioned when being reset, and the outer ring and the inner ring can be conveniently and rapidly assembled;

2. the movable block can be pulled to slide through the movable groove, the positioning block can be driven to move when sliding, the positioning block can slide through the first extrusion groove when moving, the first spring can be extruded when the positioning block slides, the inserted link can be driven to move when the movable block slides to the top end of the movable groove, the inserted link can be driven to be in butt joint with the slot when the movable block slides to the top end of the movable groove, the inserted link is pushed to drive the limiting block to move at the moment, the limiting block can slide through the limiting groove when moving, the inserted link can slide through the connecting groove and the slot when moving, the movable block can be positioned when one end of the inserted link slides into the slot, and the movable block can be conveniently positioned when pushed to an appointed position;

3. the pulling firing pin can extrude the locating lever at kingpin both ends, the locating lever can slide through constant head tank and second extrusion groove when receiving the extrusion, the locating lever can drive the stripper plate when sliding and remove, can slide through second extrusion groove when the stripper plate removes, can extrude the second spring when the stripper plate slides, can stimulate the kingpin when the locating lever roll-off constant head tank, can slide the separation through the swivelling chute when the kingpin receives the pulling, make things convenient for the kingpin to dismantle fast and change when receiving the loss.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional front view of the present invention;

FIG. 3 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 4 is an enlarged view of the part B of the present invention;

FIG. 5 is an enlarged view of part A of the present invention.

In the figure: 1. an outer ring; 2. an inner ring; 3. a rotating tank; 4. rolling needles; 5. a wedge block; 6. a wedge-shaped groove; 7. a first extrusion groove; 8. a first spring; 9. positioning blocks; 10. a moving groove; 11. a moving block; 12. A slot; 13. connecting grooves; 14. a limiting groove; 15. inserting a rod; 16. a limiting block; 17. positioning a groove; 18. A second extrusion groove; 19. a second spring; 20. a pressing plate; 21. and (5) positioning the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a needle bearing with wedge-shaped locking grooves, comprising: an outer ring 1 and an inner ring 2;

the inside gomphosis of outer lane 1 has inner circle 2, the swivelling chute 3 has been seted up to 2 inner walls of inner circle, the inside gomphosis of swivelling chute 3 has kingpin 4, wedge 5, connect the lateral surface at inner circle 2, the gomphosis of wedge 5 is in the inside of wedge 6, wedge 6 is seted up on the inner wall of outer lane 1, first extrusion groove 7 has been seted up to wedge 6 inside, first extrusion groove 7 internal connection has first spring 8, locating piece 9, the tip at first spring 8 is connected, the shifting chute 10 has been seted up to first extrusion groove 7 inner wall through, the locating piece 9 side that is close to shifting chute 10 is connected with movable block 11.

The vertical section of the wedge block 5 is the same as the vertical section of the wedge groove 6 in size, and the wedge block 5 is in sliding connection with the wedge groove 6.

The positioning block 9 and the moving block 11 are of an integral structure, the positioning block 9 and the first extrusion groove 7 form a telescopic structure through the first spring 8, the positioning block 9 and the first extrusion groove 7 are in sliding connection, and the moving block 11 and the moving groove 10 are in sliding connection.

Referring to fig. 2, 3, 4, it can be known that pulling inner circle 2 can drive wedge 5 and wedge 6 to dock, it can make wedge 5 and wedge 6 slide to promote inner circle 2, wedge 5 can extrude when sliding the inclined plane of locating piece 9, locating piece 9 can slide through first extrusion groove 7 when receiving the extrusion, locating piece 9 can extrude first spring 8 when sliding, wedge 5 can slide to the inside of wedge 6 when locating piece 9 extrudees first extrusion groove 7 is inside, wedge 5 can produce the separation with locating piece 9 simultaneously, locating piece 9 can reset through first spring 8 self elasticity when wedge 5 separates with locating piece 9, can fix a position wedge 5 when locating piece 9 resets.

The slot 12 has been seted up to the inside in shifting chute 10, and the movable block 11 still is provided with spread groove 13, spacing groove 14, inserted bar 15 and stopper 16, and spread groove 13 runs through and sets up on the surface of movable block 11, and spread groove 13 inner wall has seted up spacing groove 14, and inserted bar 15 runs through the gomphosis in the inside of spread groove 13, and the inserted bar 15 side that is close to spacing groove 14 is connected with stopper 16.

The cross section of the slot 12 and the cross section of the connecting groove 13 are the same as the minimum cross section of the inserted rod 15, and the slot 12, the connecting groove 13 and the inserted rod 15 are in sliding connection.

The inserted link 15 and the limiting block 16 are integrated, and the limiting block 16 and the limiting groove 14 are connected in a sliding manner.

Referring to fig. 1, 2, 4, it can be known that the pulling moving block 11 can slide through the moving groove 10, the moving block 11 can drive the positioning block 9 to move when sliding, the positioning block 9 can slide through the first pressing groove 7 when moving, the positioning block 9 can press the first spring 8 when sliding, the moving block 11 can drive the insertion rod 15 to move when sliding, the moving block 11 can drive the insertion rod 15 to be butted with the slot 12 when sliding to the top end of the moving groove 10, the insertion rod 15 can be driven to drive the limiting block 16 to move at the moment, the limiting block 16 can slide through the limiting groove 14 when moving, the insertion rod 15 can slide with the slot 12 through the connecting groove 13 when moving, and the moving block 11 can be positioned when one end of the insertion rod 15 slides inside the slot 12.

The locating slot 17 has been seted up in the inner wall of swivelling chute 3 run through, and kingpin 4 still is provided with second extrusion groove 18, second spring 19, stripper plate 20 and locating lever 21, and second extrusion groove 18 is seted up at kingpin 4's both ends, and second extrusion groove 18 internal connection has second spring 19, and stripper plate 20 connects at the tip of second spring 19, and the stripper plate 20 side that is close to locating slot 17 is connected with locating lever 21.

The squeezing plate 20 and the positioning rod 21 are integrated, the squeezing plate 20, the positioning rod 21, the positioning groove 17 and the second squeezing groove 18 are connected in a sliding manner, and the squeezing plate 20 and the second squeezing groove 18 form a telescopic structure through a second spring 19.

Referring to fig. 2, 3 can know, the pulling firing pin can extrude locating lever 21 at the both ends of kingpin 4, locating lever 21 can slide through constant head tank 17 and second extrusion groove 18 when receiving the extrusion, locating lever 21 can drive stripper plate 20 when sliding and remove, stripper plate 20 can slide through second extrusion groove 18 when removing, stripper plate 20 can extrude second spring 19 when sliding, can stimulate kingpin 4 when constant head tank 21 roll-off constant head tank 17, kingpin 4 can slide through rotation slot 3 when receiving the pulling and separate.

The working principle is as follows: when the needle roller bearing with the wedge-shaped locking groove is used, firstly, the inner ring 2 is pulled to drive the wedge block 5 to be in butt joint with the wedge groove 6, the inner ring 2 is pushed to enable the wedge block 5 to slide with the wedge groove 6, the wedge block 5 can be extruded when sliding to the inclined surface of the positioning block 9, the positioning block 9 can slide through the first extrusion groove 7 when being extruded, the positioning block 9 can extrude the first spring 8 when sliding, the wedge block 5 can slide into the wedge groove 6 when the positioning block 9 is extruded into the first extrusion groove 7, meanwhile, the wedge block 5 can be separated from the positioning block 9, the positioning block 9 can reset through the self elasticity of the first spring 8 when the wedge block 5 is separated from the positioning block 9, the wedge block 5 can be positioned when the positioning block 9 is reset, and the outer ring 1 and the inner ring 2 can be rapidly assembled, those not described in detail in this specification are well within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof.

Claims

1. A needle bearing with wedge-shaped locking grooves, comprising: an outer ring (1) and an inner ring (2), characterized in that;

an inner ring (2) is embedded in the outer ring (1), a rotating groove (3) is formed in the inner wall of the inner ring (2), and a roller pin (4) is embedded in the rotating groove (3);

the wedge block (5) is connected to the outer side face of the inner ring (2), the wedge block (5) is embedded in a wedge groove (6), the wedge groove (6) is formed in the inner wall of the outer ring (1), a first extrusion groove (7) is formed in the wedge groove (6), and a first spring (8) is connected to the first extrusion groove (7);

the positioning block (9) is connected to the end portion of the first spring (8), a moving groove (10) is formed in the inner wall of the first extrusion groove (7) in a penetrating mode, and a moving block (11) is connected to the side face, close to the moving groove (10), of the positioning block (9).

2. The needle roller bearing with wedge-shaped locking grooves according to claim 1, wherein: the vertical section of the wedge block (5) is the same as the vertical section of the wedge groove (6), and the wedge block (5) is in sliding connection with the wedge groove (6).

3. The needle roller bearing with wedge-shaped locking grooves according to claim 1, wherein: the positioning block (9) and the moving block (11) are of an integrated structure, the positioning block (9) and the first extrusion groove (7) form a telescopic structure through a first spring (8), the positioning block (9) and the first extrusion groove (7) are in sliding connection, and the moving block (11) and the moving groove (10) are in sliding connection.

4. The needle roller bearing with wedge-shaped locking grooves as set forth in claim 1, wherein: a slot (12) is formed in the moving groove (10), and the moving block (11) is also provided with a connecting groove (13), a limiting groove (14), an inserting rod (15) and a limiting block (16);

the connecting groove (13) penetrates through the surface of the moving block (11), and a limiting groove (14) is formed in the inner wall of the connecting groove (13);

the insertion rod (15) penetrates through the connecting groove (13) in an embedded mode, and a limiting block (16) is connected to the side face, close to the limiting groove (14), of the insertion rod (15).

5. The needle roller bearing with wedge-shaped locking grooves as set forth in claim 4, wherein: the cross section of the slot (12), the cross section of the connecting groove (13) and the minimum cross section of the inserted rod (15) are the same in size, and the slot (12), the connecting groove (13) and the inserted rod (15) are in sliding connection.

6. The needle roller bearing with wedge-shaped locking grooves according to claim 4, wherein: the inserted bar (15) and the limiting block (16) are of an integral structure, and the limiting block (16) is in sliding connection with the limiting groove (14).

7. The needle roller bearing with wedge-shaped locking grooves according to claim 1, wherein: a positioning groove (17) is formed in the inner wall of the rotating groove (3) in a penetrating mode, and a second extrusion groove (18), a second spring (19), an extrusion plate (20) and a positioning rod (21) are further formed in the roller pin (4);

the second extrusion groove (18) is formed in two ends of the needle roller (4), and a second spring (19) is connected to the interior of the second extrusion groove (18);

and the squeezing plate (20) is connected to the end part of the second spring (19), and a positioning rod (21) is connected to the side surface of the squeezing plate (20) close to the positioning groove (17).

8. The needle roller bearing with wedge-shaped locking grooves according to claim 7, wherein: the extrusion plate (20) and the positioning rod (21) are of an integral structure, the extrusion plate (20), the positioning rod (21), the positioning groove (17) and the second extrusion groove (18) are in sliding connection, and the extrusion plate (20) and the second extrusion groove (18) form a telescopic structure through a second spring (19).