CN214742846U - Internal spline ring - Google Patents

Abstract

The present disclosure provides an inner spline ring, comprising: the inner wall surface of the annular body is provided with a spline groove and a limiting bulge, the annular wall of the annular body is provided with a square groove, and the square groove comprises a first groove body positioned on the spline groove and a second groove body positioned on the limiting bulge; the first sliding block assembly comprises a first sliding block and a first adjusting piece, the first sliding block is positioned in the second groove body, the first sliding block is provided with a first adjusting inclined surface and a first plane, the first plane is abutted against the groove wall of the second groove body, and the second adjusting piece can drive the first sliding block to move axially; the second sliding block assembly comprises a second sliding block and a second adjusting piece, the second sliding block is positioned in the second groove body and is provided with a second adjusting inclined surface, the second adjusting inclined surface is relatively attached to the first adjusting inclined surface, and the second adjusting piece can drive the second sliding block to axially move; at least part of the area of the movable pressing block is positioned in the second groove body. The utility model discloses can adjust the clearance between external spline axle and the interior spline ring, and conveniently accomplish the maintenance operation fast.

Description

Internal spline ring

Technical Field

The disclosure relates to the technical field of machine manufacturing, in particular to an inner spline ring.

Background

Spline coupling is common circumference spacing connected mode, usually including outer spline shaft and the interior spline ring of mutually supporting, is equipped with the external splines on the outer wall of outer spline shaft, and the inner wall of interior spline ring is equipped with circumference interval distribution's spline groove, and the external spline shaft cartridge is in the interior spline ring during the assembly, and the external splines of external spline shaft and the spline groove one-to-one cooperation of interior spline ring realize circumference spacing. Because of the processing error and the thermal deformation generated in the heat treatment process, when the external spline shaft and the internal spline ring are assembled, gaps with different degrees exist between the external spline and the spline groove all the time, and the quality of products is influenced.

In the related art, it is common to fill a gap between the spline grooves of the inner spline ring and the outer splines of the outer spline shaft with a spacer shim and to lock the spacer shim at the gap using a screw.

However, when the external spline shaft is maintained and replaced, the gap between the external spline and the spline groove also changes due to different external spline shafts, so that adjusting gaskets with different sizes need to be replaced, and the maintenance cost is increased; and, the clearance between external spline shaft and interior spline ring is filled with the adjusting shim, and external spline shaft and interior spline ring are interference fit promptly, like this when dismantling the maintenance, because external spline shaft and interior spline ring are connected too closely, are difficult to dismantle the change.

SUMMERY OF THE UTILITY MODEL

The embodiment of the disclosure provides an inner spline ring, which can adjust the clearance between the outer spline of an outer spline shaft and the spline groove of the inner spline ring, so that the outer spline shaft and the inner spline ring are tightly matched, and the maintenance operation can be conveniently and rapidly completed. The technical scheme is as follows:

an embodiment of the present disclosure provides an inner spline ring, including: the annular body, the inner wall has spline grooves arranged at intervals circumferentially and spacing humps between two adjacent spline grooves, the annular wall of the annular body is provided with square grooves which radially run through the annular body, each square groove comprises a first groove body and a second groove body which are connected, the first groove body is positioned on the spline groove and runs through the spline groove, and the second groove body is positioned on the spacing humps and runs through the spacing humps; the first sliding block assembly comprises a first sliding block and a first adjusting piece, the first sliding block is located in the second groove body, the first sliding block is provided with a first adjusting inclined surface and a first plane which are opposite to each other, the first plane is abutted to a groove wall on the second groove body, the groove wall is opposite to the first groove body, the first adjusting piece is located on the ring body, and the first adjusting piece can drive the first sliding block to move to any position along the axial direction of the ring body in an operating and controlling mode; the second sliding block assembly comprises a second sliding block and a second adjusting piece, the second sliding block is located in the second groove body, the second sliding block is provided with a second adjusting inclined surface and a second plane, the second adjusting inclined surface and the first adjusting inclined surface are opposite to each other and are attached, the second adjusting piece is located on the ring body, and the second adjusting piece can drive the second sliding block to move to any position along the axial direction of the ring body in an operating mode; and the movable pressing block is movably arranged in the square groove, at least part of the area of the movable pressing block is positioned in the second groove body, and one side surface of the movable pressing block is abutted to the second plane.

In an implementation manner of the embodiment of the present disclosure, the first adjusting member includes two first adjusting bolts, one end of one of the first adjusting bolts penetrates through one end surface of the circular ring body into the second groove body and abuts against the first slider, one end of the other of the first adjusting bolts penetrates through the other end surface of the circular ring body into the second groove body and abuts against the first slider, and the first adjusting bolts are both in threaded connection with the circular ring body; the second adjusting part comprises two second adjusting bolts, one end of the second adjusting bolt penetrates through one end face of the ring body to the inside of the second groove body and is abutted against the second sliding block, the other end of the second adjusting bolt penetrates through the other end face of the ring body to the inside of the second groove body and is abutted against the second sliding block, and the second adjusting bolts are in threaded connection with the ring body.

In another implementation manner of the embodiment of the present disclosure, both end surfaces of the torus are provided with connection through holes penetrating through to the second groove body, the first adjustment bolt and the second adjustment bolt correspond to the connection through holes one to one, the torus further has locking nuts corresponding to the connection through holes one to one, the locking nuts are located on the end surface of the torus and coaxial with the connection through holes, and the first adjustment bolt and the second adjustment bolt are both in threaded connection with the locking nuts.

In another implementation manner of the embodiment of the disclosure, the inner wall surface of the connecting through hole is provided with an internal thread.

In another implementation manner of the embodiment of the present disclosure, the movable pressing block includes a first limiting plate and a second limiting plate, the first limiting plate has a first side and a second side that are opposite to each other, the second limiting plate has a first side and a second side that are opposite to each other, the first side with the first side is connected and the first limiting plate is connected perpendicularly to the second limiting plate, the first limiting plate is located in the first groove body, the second side with on the first groove body and the cell wall that the second groove body is opposite to each other, the second limiting plate is located in the second groove body, the second side with the second plane is laminated relatively.

In another implementation manner of the embodiment of the present disclosure, the first side surface of the movable pressing block is provided with an anti-slip structure.

In another implementation of the disclosed embodiment, the anti-slip structure includes anti-slip protrusions or anti-slip grooves on the first side.

In another implementation manner of the embodiment of the present disclosure, the anti-slip groove includes a first anti-slip groove and a second anti-slip groove, the first anti-slip groove is perpendicular to the second anti-slip groove, the first anti-slip groove and the second anti-slip groove are both provided in a plurality, the first anti-slip groove is arranged in parallel at intervals, and the second anti-slip groove is arranged in parallel at intervals.

In another implementation of the disclosed embodiment, the anti-slip structure is a rubber pad.

In another implementation of the disclosed embodiment, the internally splined ring is a metallic structural member.

The beneficial effects brought by the technical scheme provided by the embodiment of the disclosure at least comprise:

the inner spline ring provided by the embodiment of the disclosure comprises a ring body, a first sliding block assembly, a second sliding block assembly and a movable pressing block, wherein a square groove is arranged on the ring wall of the ring body, a first groove body of the square groove is arranged on a spline groove, a second groove body is arranged on a limiting bulge, a first sliding block of the first sliding block assembly and a second sliding block of the second sliding block assembly are both positioned in the second groove body, a first adjusting inclined plane of the first sliding block and a second adjusting inclined plane of the second sliding block are relatively attached together, a first plane of the first sliding block is abutted against the groove wall of the second groove body, so that when the first sliding block and the second sliding block relatively slide along the axial direction of the ring body, the first sliding block can abut against the second sliding block to slide towards the direction of the first groove body, and a second plane of the second sliding block is abutted against the movable pressing block, therefore, the second sliding block can also push the movable pressing block to slide towards the direction of the first groove body, the clearance between the two opposite groove walls on the spline grooves is adjusted, so that the inner spline ring is quickly and tightly assembled with different outer spline shafts when the outer spline shafts are maintained and replaced.

Meanwhile, the first adjusting piece can drive the first sliding block to move to any position along the axial direction of the ring body, namely the first sliding block and the second sliding block can push the second sliding block to move towards the first groove body under the action of the inclined surfaces, and the first adjusting inclined surface of the first sliding block can be controlled to be gradually far away from the second adjusting inclined surface of the second sliding block, namely the first sliding block does not apply acting force to the second sliding block any more, so that a certain gap is kept between the first adjusting inclined surface and the second adjusting inclined surface; and the second adjusting piece can drive the second sliding block to move to any position along the axial direction of the circular ring body, namely the second adjusting piece can lock the axial movement of the second sliding block, and can also enable the distance between the first adjusting inclined surface of the first sliding block and the second adjusting inclined surface of the second sliding block to be longer, namely the gap between the first adjusting inclined surface and the second adjusting inclined surface to be larger. Therefore, when the external spline shaft is taken out, the movable pressing block is easily extruded into the second groove body and does not have large time acting force on the external spline shaft any more, so that the maintenance and replacement operation can be completed quickly.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an internally splined ring according to an embodiment of the present disclosure;

FIG. 2 is a top view of an internally splined ring according to embodiments of the present disclosure;

FIG. 3 is a schematic diagram of a partial structure of an internally splined ring according to an embodiment of the present disclosure;

FIG. 4 is a top view of a portion of an internally splined ring according to embodiments of the present disclosure;

fig. 5 is a schematic view of a first side of a second limiting plate according to an improvement of the embodiment of the disclosure.

The various symbols in the figure are illustrated as follows:

1-a ring body, 11-a spline groove, 12-a limiting protrusion, 13-a square groove, 131-a first groove body, 132-a second groove body, 14-a connecting through hole and 15-a locking nut;

21-a first slider, 211-a first adjustment ramp, 212-a first flat surface, 22-a first adjustment bolt;

31-second slider, 311-second adjustment inclined plane, 312-second plane, 32-second adjustment bolt;

4-movable pressing block, 41-first limiting plate, 411-first side edge, 412-second side edge, 42-second limiting plate, 421-first side surface and 422-second side surface;

51-first anti-slip groove, 52-second anti-slip groove.

Detailed Description

To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," "third," and similar terms in the description and claims of the present disclosure are not intended to indicate any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", "top", "bottom", and the like are used merely to indicate relative positional relationships, which may also change accordingly when the absolute position of the object being described changes.

Fig. 1 is a schematic structural diagram of an internal spline ring according to an embodiment of the present disclosure. As shown in fig. 1, the internally splined ring comprises: the device comprises a circular ring body 1, a first sliding block 21 component, a second sliding block 31 component and a movable pressing block 4.

Fig. 2 is a top view of an internally splined ring according to embodiments of the present disclosure. As shown in fig. 2, the inner wall surface of the torus 1 has spline grooves 11 arranged at intervals in the circumferential direction and a limiting protrusion 12 between two adjacent spline grooves 11, a square groove 13 radially penetrating through the torus 1 is formed in the ring wall of the torus 1, the square groove 13 includes a first groove body 131 and a second groove body 132 which are connected, the first groove body 131 is located on the spline grooves 11 and penetrates through the spline grooves 11, and the second groove body 132 is located on the limiting protrusion 12 and penetrates through the limiting protrusion 12.

As shown in fig. 1, the first sliding block 21 assembly includes a first sliding block 21 and a first adjusting member, the first sliding block 21 is located in the second groove 132, the first sliding block 21 has a first adjusting inclined surface 211 and a first plane 212, which are opposite to each other, the first plane 212 abuts against a groove wall of the second groove 132, which is opposite to the first groove 131, the first adjusting member is located on the circular ring 1, and the first adjusting member can drive the first sliding block 21 to move to any position along the axial direction of the circular ring 1 in an operable manner.

As shown in fig. 1, the second slider 31 assembly includes a second slider 31 and a second adjusting member, the second slider 31 is located in the second groove 132, the second slider 31 has a second adjusting inclined surface 311 and a second plane 312, which are opposite to each other, the second adjusting inclined surface 311 is attached to the first adjusting inclined surface 211, the second adjusting member is located on the circular ring body 1, and the second adjusting member can drive the second slider 31 to move to any position along the axial direction of the circular ring body 1 in an operable manner.

As shown in fig. 1, the movable pressing block 4 is movably disposed in the square groove 13, at least a partial region of the movable pressing block 4 is located in the second groove 132, and a side surface of the movable pressing block 4 abuts against the second plane 312.

The internal spline ring provided by the embodiment of the present disclosure includes a circular ring body 1, a first sliding block 21 assembly, a second sliding block 31 assembly and a movable pressing block 4, wherein a square groove 13 is provided on a ring wall of the circular ring body 1, a first groove 131 of the square groove 13 is on the spline groove 11, a second groove 132 is on the limiting protrusion 12, the first sliding block 21 of the first sliding block 21 assembly and the second sliding block 31 of the second sliding block 31 assembly are both located in the second groove 132, and a first adjusting inclined plane 211 of the first sliding block 21 and a second adjusting inclined plane 311 of the second sliding block 31 are relatively attached together, and a first plane 212 of the first sliding block 21 is abutted against a groove wall of the second groove 132, so that when the first sliding block 21 and the second sliding block 31 relatively slide along an axial direction of the circular ring body 1, the first sliding block 21 is abutted against the second sliding block 31 and slides towards the first groove 131, and a second plane of the second sliding block 31 is abutted against the movable pressing block 4, therefore, the second sliding block 31 can also push the movable pressing block 4 to slide toward the first groove 131, so as to adjust the gap between the two opposite groove walls on the spline groove 11, so that the inner spline ring can be quickly and tightly assembled with different outer spline shafts when the outer spline shafts are maintained and replaced.

Meanwhile, the first adjusting member can drive the first slider 21 to move to any position along the axial direction of the circular ring body 1, that is, the first slider 21 can push the second slider 31 to move towards the first groove 131 under the action of the inclined surface with the second slider 31, and can also control the first adjusting inclined surface 211 of the first slider 21 to gradually get away from the second adjusting inclined surface 311 of the second slider 31, that is, the first slider 21 does not apply an acting force to the second slider 31 any more, so that a certain gap is kept between the first adjusting inclined surface 211 and the second adjusting inclined surface 311; moreover, the second adjusting member can drive the second slider 31 to move to any position along the axial direction of the circular ring body 1, that is, the second adjusting member can lock the axial movement of the second slider 31, and can make the distance between the first adjusting inclined surface 211 of the first slider 21 and the second adjusting inclined surface 311 of the second slider 31 further, that is, make the gap between the first adjusting inclined surface 211 and the second adjusting inclined surface 311 larger. Therefore, when the external spline shaft is taken out, the movable pressing block 4 is easily extruded into the second groove body 132, and a large acting force on the external spline shaft is avoided, so that the maintenance and replacement operation can be quickly completed.

Fig. 3 is a partial structural schematic diagram of an internal spline ring provided in an embodiment of the present disclosure. As shown in fig. 3, the first adjusting member includes two first adjusting bolts 22, one end of one first adjusting bolt 22 penetrates through one end surface of the torus 1 to the inside of the second groove 132 and abuts against the first slider 21, one end of the other first adjusting bolt 22 penetrates through the other end surface of the torus 1 to the inside of the second groove 132 and abuts against the first slider 21, and the first adjusting bolts 22 are all in threaded connection with the torus 1.

As shown in fig. 3, one end of the first adjusting bolt 22 located above the torus 1 penetrates through the end surface of the torus 1 and extends into the second groove 132, and abuts against the side surface of the first slider 21, and because the first adjusting bolt 22 is in threaded connection with the torus 1, the first adjusting bolt 22 located above the torus 1 can push the first slider 21 to move from top to bottom along the axial direction of the torus 1, and this moving manner can make the first adjusting inclined surface 211 of the first slider 21 gradually approach the second adjusting inclined surface 311 of the second slider 31, so as to push the second slider 31 to move toward the first groove 131.

As shown in fig. 3, one end of the first adjusting bolt 22 located below the torus 1 penetrates through the end surface of the torus 1 and extends into the second groove 132, and abuts against the side surface of the first slider 21, and because the first adjusting bolt 22 is in threaded connection with the torus 1, the first adjusting bolt 22 located below the torus 1 can push the first slider 21 to move from bottom to top along the axial direction of the torus 1, and the moving manner can make the first adjusting inclined surface 211 of the first slider 21 gradually away from the second adjusting inclined surface 311 of the second slider 31, so that the pressing force applied by the second slider 31 to the movable pressing block 4 disappears, and a certain gap is reserved between the first slider 21 and the second slider 31, thereby quickly completing the maintenance and replacement operations.

In the embodiment of the present disclosure, as shown in fig. 3, the second adjusting member includes two second adjusting bolts, one end of one second adjusting bolt penetrates through one end surface of the circular ring body 1 to the second groove 132 and abuts against the second slider 31, one end of the other second adjusting bolt penetrates through the other end surface of the circular ring body 1 to the second groove 132 and abuts against the second slider 31, and the second adjusting bolts are all in threaded connection with the circular ring body 1.

As shown in fig. 3, one end of the second adjusting bolt 32 located above the torus 1 penetrates through the end surface of the torus 1 and extends into the second groove 132, and abuts against the side surface of the second slider 31, and because the second adjusting bolt 32 is in threaded connection with the torus 1, the second adjusting bolt 32 located above the torus 1 can push the second slider 31 to move from top to bottom along the axial direction of the torus 1, and this moving manner can make the second adjusting inclined surface 311 of the second slider 31 gradually get away from the first adjusting inclined surface 211 of the first slider 21, so that the pressing force applied by the second slider 31 to the movable press block 4 disappears, and a certain gap is reserved between the first slider 21 and the second slider 31, thereby quickly completing the maintenance and replacement operations.

As shown in fig. 3, one end of the second adjusting bolt 32 located below the torus 1 penetrates through the end surface of the torus 1 and extends into the second groove 132, and abuts against the side surface of the second slider 31, and because the second adjusting bolt 32 is in threaded connection with the torus 1, the second adjusting bolt 32 located below the torus 1 can push the second slider 31 to move along the axis of the torus 1 from bottom to top, and this moving manner enables the second adjusting inclined surface 311 of the second slider 31 to gradually approach the first adjusting inclined surface 211 of the first slider 21, so as to push the second slider 31 to move toward the first groove 131.

When the first slider 21 is adjusted by the first adjusting bolt 22 or the second slider 31 is adjusted by the second adjusting bolt 32, the adjusting bolts located at the upper and lower end faces of the torus 1 need to be simultaneously screwed so as to provide a space for the first slider 21 or the second slider 31 to move up and down.

As shown in fig. 1 and 3, the two end faces of the torus 1 are provided with the connecting through holes 14 penetrating through to the second groove 132, the first adjusting bolts 22 and the second adjusting bolts 32 are in one-to-one correspondence with the connecting through holes 14, the torus 1 is further provided with the locking nuts 15 in one-to-one correspondence with the connecting through holes 14, the locking nuts 15 are located on the end face of the torus 1 and are coaxial with the corresponding connecting through holes 14, and the first adjusting bolts 22 and the second adjusting bolts 32 are both in threaded connection with the locking nuts 15.

In the above implementation manner, the first adjusting bolt 22 and the second adjusting bolt 32 both penetrate into the second groove 132 through the corresponding connecting through hole 14, so that the first adjusting bolt 22 can abut against the first slider 21, and the second adjusting bolt 32 can abut against the second slider 31; meanwhile, a locking nut 15 is arranged on the end face of the torus 1 corresponding to each connecting through hole 14, so that the first adjusting bolt 22 and the second adjusting bolt 32 are in threaded connection with the locking nut 15, and the locking nut 15 is fixed on the end face of the torus 1, so that the first adjusting bolt 22 and the second adjusting bolt 32 are fixedly connected on the torus 1.

Illustratively, the inner wall surface of the connecting through-hole 14 is provided with an internal thread. Thus, the first and second adjusting bolts 22 and 32 can be simultaneously screwed with the coupling through-holes 14 in addition to the lock nut 15, so as to improve the coupling reliability of the first and second adjusting bolts 22 and 32.

Fig. 4 is a top view of a portion of an internally splined ring according to an embodiment of the present disclosure. As shown in fig. 4, the movable pressing block 4 includes a first limiting plate 41 and a second limiting plate 42, the first limiting plate 41 has a first side 411 and a second side 412 that are opposite to each other, the second limiting plate 42 has a first side 421 and a second side 422 that are opposite to each other, the first side 411 is connected to the first side 421, the first limiting plate 41 is vertically connected to the second limiting plate 42, the first limiting plate 41 is located in the first groove 131, the second side 412 is opposite to a groove wall of the first groove 131 that is opposite to the second groove 132, the second limiting plate 42 is located in the second groove 132, and the second side 422 is attached to the second plane 312.

As shown in fig. 1 and 4, the movable pressing block 4 is L-shaped, the first limiting plate 41 is disposed in the first groove 131, and the second limiting plate 42 is disposed in the second groove 132, so that when the movable pressing block 4 is pushed by the second slider 31 and moves toward the first groove 131, the first limiting plate 41 slides in the first groove 131 to limit the movable pressing block 4, so as to prevent the second limiting plate 42 from sliding out of the second groove 132 and falling into the spline groove 11 of the inner spline ring.

Optionally, the first side 421 of the movable pressing block 4 is provided with an anti-slip structure. The friction force between the first side 421 and the external spline shaft can be improved by arranging the anti-slip structure on the first side 421 of the movable pressing block 4, so that the external spline shaft and the internal spline ring are prevented from sliding axially, and the connection reliability is improved.

Illustratively, the anti-slip structure includes a non-slip protrusion or a non-slip groove on the first side 421. That is, the first side 421 is provided with the anti-slip protrusions or the anti-slip grooves to increase the roughness of the first side 421, so as to increase the friction between the first side 421 and the external spline shaft and prevent the external spline shaft and the internal spline ring from sliding axially.

Fig. 5 is a schematic view of a first side of a second limiting plate according to an improvement of the embodiment of the disclosure. As shown in fig. 5, the anti-slip grooves include a first anti-slip groove 51 and a second anti-slip groove 52, the first anti-slip groove 51 is perpendicular to the second anti-slip groove 52, the first anti-slip groove 51 and the second anti-slip groove 52 are both provided in a plurality, the first anti-slip grooves 51 are arranged in parallel at intervals, and the second anti-slip grooves 52 are arranged in parallel at intervals.

As shown in fig. 5, there are two first anti-slip grooves 51 extending in the vertical direction, and four second anti-slip grooves 52 extending in the horizontal direction, and the first anti-slip grooves 51 and the second anti-slip grooves 52 are vertically connected. So as to form a concave-convex structure on the first side 421 and increase the roughness of the first side 421, thereby improving the friction between the first side 421 and the external spline shaft and preventing the axial slippage between the external spline shaft and the internal spline ring.

Illustratively, the non-slip structure is a rubber mat. The friction force can be improved by arranging the rubber pad between the movable pressing block 4 and the outer spline shaft, and the outer spline shaft and the inner spline ring are prevented from sliding axially. And the rubber pad can also avoid the external spline shaft from directly contacting with the movable pressing block 4, thereby enhancing the wear resistance of the movable pressing block 4.

Optionally, the internally splined ring is a metallic structural member. For example, the internally splined ring may be a structural member made of stainless steel, such that the internally splined ring has good wear and corrosion resistance.

The use flow of the internal spline ring will be briefly described by taking the internal spline ring shown in fig. 1 as an example. Firstly, the external spline shaft is inserted into the internal spline ring, the second adjusting bolt 32 is rotated to adjust the second slider 31 to a proper position, then the first adjusting bolt 22 is rotated to move the first slider 21 downwards to push the second slider 31 to move towards the direction of the first groove body 131, and in the process, the second slider 31 pushes the movable pressing block 4 to move towards the spline groove 11 of the internal spline ring, so that the movable pressing block 4 is tightly propped against the external spline shaft, and the gap between the external spline of the external spline shaft and the spline groove 11 of the internal spline ring is eliminated.

Although the present disclosure has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the disclosure.

Claims (10)

1. An internally splined ring, comprising:

the ring body (1), the inner wall surface of the ring body (1) is provided with spline grooves (11) which are circumferentially arranged at intervals and a limiting protrusion (12) between every two adjacent spline grooves (11), the ring wall of the ring body (1) is provided with a square groove (13) which radially penetrates through the ring body (1), the square groove (13) comprises a first groove body (131) and a second groove body (132) which are connected, the first groove body (131) is positioned on the spline grooves (11) and penetrates through the spline grooves (11), and the second groove body (132) is positioned on the limiting protrusion (12) and penetrates through the limiting protrusion (12);

the first sliding block (21) assembly comprises a first sliding block (21) and a first adjusting piece, the first sliding block (21) is located in the second groove body (132), the first sliding block (21) is provided with a first adjusting inclined surface (211) and a first plane (212) which are opposite to each other, the first plane (212) abuts against the groove wall, opposite to the first groove body (131), of the second groove body (132), the first adjusting piece is located on the ring body (1), and the first adjusting piece can drive the first sliding block (21) to move to any position along the axial direction of the ring body (1) in an operable and controllable mode;

the second sliding block (31) assembly comprises a second sliding block (31) and a second adjusting piece, the second sliding block (31) is located in the second groove body (132), the second sliding block (31) is provided with a second adjusting inclined surface (311) and a second plane (312) which are opposite to each other, the second adjusting inclined surface (311) is attached to the first adjusting inclined surface (211) oppositely, the second adjusting piece is located on the ring body (1), and the second adjusting piece can drive the second sliding block (31) to move to any position along the axial direction of the ring body (1) in an operable and controllable mode;

the movable pressing block (4) is movably arranged in the square groove (13), at least partial region of the movable pressing block (4) is located in the second groove body (132), and one side face of the movable pressing block (4) is abutted to the second plane (312).

2. The internally splined ring of claim 1, wherein the first adjusting member comprises two first adjusting bolts (22), one end of one first adjusting bolt (22) penetrates through one end surface of the ring body (1) to the inside of the second groove body (132) and abuts against the first sliding block (21), one end of the other first adjusting bolt (22) penetrates through the other end surface of the ring body (1) to the inside of the second groove body (132) and abuts against the first sliding block (21), and the first adjusting bolts (22) are both in threaded connection with the ring body (1);

the second adjusting piece comprises two second adjusting bolts (32), one end of each second adjusting bolt (32) penetrates through one end face of the ring body (1) to the inside of the second groove body (132) and abuts against the second sliding block (31), the other end of each second adjusting bolt (32) penetrates through the other end face of the ring body (1) to the inside of the second groove body (132) and abuts against the second sliding block (31), and the second adjusting bolts (32) are connected with the ring body (1) in a threaded mode.

3. The internal spline ring according to claim 2, wherein the two end faces of the ring body (1) are provided with connecting through holes (14) penetrating to the second groove body (132), the first adjusting bolts (22) and the second adjusting bolts (32) are in one-to-one correspondence with the connecting through holes (14),

the torus (1) still have with connect through hole (14) one-to-one lock nut (15), lock nut (15) are located on the terminal surface of torus (1) and with correspond connect through hole (14) are coaxial, first adjusting bolt (22) second adjusting bolt (32) all with lock nut (15) threaded connection.

4. An internally splined ring according to claim 3, wherein the inner wall surface of the connecting through hole (14) is provided with an internal thread.

5. The internally splined ring according to claim 1, wherein the movable pressure block (4) comprises a first limiting plate (41) and a second limiting plate (42), the first limiting plate (41) having a first side (411) and a second side (412) opposite each other, the second limiting plate (42) having a first side (421) and a second side (422) opposite each other, the first side (411) being connected to the first side (421) and the first limiting plate (41) being connected perpendicularly to the second limiting plate (42),

the first limiting plate (41) is located in the first groove body (131), the second side edge (412) is opposite to the groove wall opposite to the second groove body (132) on the first groove body (131), the second limiting plate (42) is located in the second groove body (132), and the second side face (422) is attached to the second plane (312) relatively.

6. The internally splined ring according to claim 5, wherein the first side (421) of the movable pressure piece (4) is provided with an anti-slip structure.

7. The internally splined ring of claim 6, wherein the anti-slip structure comprises anti-slip protrusions or anti-slip grooves on the first side (421).

8. The internally splined ring of claim 7, wherein said anti-slip grooves comprise a first anti-slip groove (51) and a second anti-slip groove (52), said first anti-slip groove (51) being perpendicular to said second anti-slip groove (52), said first anti-slip groove (51) and said second anti-slip groove (52) being plural, said first anti-slip grooves (51) being arranged in parallel and spaced apart, said second anti-slip grooves (52) being arranged in parallel and spaced apart.

9. The internally splined ring of claim 6, wherein the anti-slip structure is a rubber pad.

10. The internally splined ring of any one of claims 1 to 9, wherein the internally splined ring is a metallic structural member.

Images