CN220980148U - Spline housing convenient to dismouting - Google Patents

Abstract

The utility model discloses a spline shell convenient to disassemble and assemble, which relates to the technical field of spline connection and comprises a base, wherein a motor is fixedly embedded in the base, the output end of the motor is fixedly connected with a rotating shaft, the rotating shaft, a spline shaft, a limiting block, an annular groove and other parts are arranged, the motor is placed to be connected with the base, the rotating shaft is fixed at the output end of the motor, the spline shaft is moved to drive the limiting block to move, a return groove is formed through the rotating shaft, the limiting block corresponds to the corresponding return groove and moves to the bottommost part of the return groove, the spline shaft is rotated to drive the limiting block, then the spline shaft is pulled back to drive the limiting block to move to form clamping connection with the return groove, at the moment, a ball is driven to contact with the annular groove through a moving clamping block, the limiting effect is realized on the spline shaft, the disassembly is realized, the effects of the device of facilitating disassembly and assembly of the spline shaft are achieved, the step of bolt assembly is omitted, and the effects of quick assembly and disassembly are realized through one-in-one-pull.

Description

Spline housing convenient to dismouting

Technical Field

The utility model relates to the technical field of spline connection, in particular to a spline housing convenient to disassemble and assemble.

Background

The spline connection consists of an inner spline and an outer spline, wherein the inner spline and the outer spline are multi-tooth parts, the spline on the surface of the inner cylinder is the inner spline, the spline on the surface of the outer cylinder is the outer spline, and obviously, the spline connection is the development of flat key connection in number.

In the existing spline connection, a spline shaft is generally connected with a driving source, and the effect of torque transmission is achieved through meshing fit between an outer spline of the spline shaft and an inner spline of a spline sleeve, but in the existing structure, the spline shaft is generally connected with a motor by means of bolts and the like, and the bolts generally need special tools to achieve installation and detachment, so that the applicability is low, and the installation and detachment are inconvenient.

There is therefore a need to propose a new solution to this problem.

Disclosure of utility model

Aiming at the defects that the spline shaft is inconvenient to mount and dismount in the prior art in the background art.

The utility model discloses a spline housing convenient to disassemble and assemble, which comprises a base, wherein a motor is fixedly inlaid in the base, the output end of the motor is fixedly connected with a rotating shaft, the inner wall of the rotating shaft is provided with equidistant back-shaped grooves, the inner wall of the rotating shaft is slidably connected with a spline shaft, the outer surface of the spline shaft is fixedly connected with equidistant limiting blocks, the outer surface of each limiting block is slidably connected with the inner wall of the corresponding back-shaped groove, the outer surface of the spline shaft is slidably connected with a spline sleeve, the outer surface of the spline shaft is provided with an annular groove, the inside of the base is provided with a sliding groove, and the inner wall of the sliding groove is slidably connected with a sliding block.

Further, the inner wall sliding connection of sliding block has two bracing pieces, every the one side that the bracing piece is close to each other all fixedly connected with fixed block.

Further, each fixing block is fixedly connected with a connecting frame at one end close to each other, and a clamping block is fixedly connected to the inner wall of each connecting frame.

Further, the inner wall of each clamping block is sleeved with balls which are arranged at equal intervals, and the outer surface of each ball is contacted with the inner wall of the annular groove.

Further, the inside of sliding block is equipped with two-way threaded rod, every the inside of bracing piece all with two-way threaded rod's surface threaded connection.

Further, the inside wall fixedly connected with two springs of sliding tray, every the other end of spring all with the right flank fixed connection of sliding block.

Further, the inside wall fixed mounting of sliding tray has the hydraulic stem, the other end of hydraulic stem and the left surface fixed mounting of sliding block.

Compared with the prior art, the utility model has the following beneficial effects:

1. According to the utility model, the motor is connected with the base by arranging the rotating shaft, the spline shaft, the limiting block, the annular groove and other parts, at the moment, the rotating shaft is fixed at the output end of the motor, the spline shaft is moved to drive the limiting block to move, the rotating shaft is provided with the return groove, the limiting block corresponds to the corresponding return groove and moves to the bottommost part of the return groove, the spline shaft is rotated to drive the limiting block, then the spline shaft is pulled back to drive the limiting block to move, the clamping block is clamped with the return groove, at the moment, the ball is driven by the moving clamping block to contact with the annular groove, the limiting effect is realized, and conversely, the effect of conveniently disassembling and installing the spline shaft is realized, the step of bolt installation is omitted, and the effect of quick assembling and disassembling is realized by one-in-one-to-one-pull.

2. According to the utility model, the sliding block is limited through the sliding groove by arranging the supporting rod, the clamping block, the ball, the bidirectional threaded rod and other parts, at the moment, the bidirectional threaded rod is rotated to drive the supporting rod to move relatively, the supporting rod drives the fixed block to move, the fixed block drives the clamping block to move through the connecting frame, at the moment, the clamping block drives the ball to contact with the annular groove to clamp the spline shaft, the hydraulic rod stretches to drive the sliding block to slide in the sliding groove, and the ball drives the spline shaft to move, at the moment, the limiting block and the return groove are locked, so that the device can improve the connection strength of the structure while facilitating the installation and the disassembly of the spline shaft, and at the same time, the phenomenon of axial deviation of the spline shaft is prevented.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:

FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the base of the present utility model;

FIG. 3 is a schematic diagram of the connection relationship between the return groove and the limiting block;

FIG. 4 is a schematic diagram of the connection between the clamping blocks and the rollers according to the present utility model.

In the figure: 1. a base; 2. a motor; 3. a rotating shaft; 4. a return groove; 5. a spline shaft; 6. a limiting block; 7. an annular groove; 8. a spline housing; 9. a sliding groove; 10. a sliding block; 11. a support rod; 12. a fixed block; 13. a connecting frame; 14. a clamping block; 15. a ball; 16. a two-way threaded rod; 17. a spring; 18. and a hydraulic rod.

Detailed Description

Various embodiments of the present utility model are disclosed in the following drawings, which are presented in sufficient detail to provide a thorough understanding of the present utility model. However, it should be understood that these physical details should not be used to limit the utility model. That is, in some embodiments of the present utility model, these physical details are not necessary. Moreover, for the sake of simplicity of illustration, some well-known and conventional structures and components are shown in the drawings in a simplified schematic manner.

Referring to fig. 1, 2, 3 and 4, the spline housing of the present utility model comprises a base 1, a motor 2 is fixedly embedded in the base 1, an output end of the motor 2 is fixedly connected with a rotating shaft 3, equidistant-arranged return grooves 4 are formed in an inner wall of the rotating shaft 3, a spline shaft 5 is slidably connected to an inner wall of the rotating shaft 3, limit blocks 6 are fixedly connected to an outer surface of the spline shaft 5 and equidistantly arranged, an outer surface of each limit block 6 is slidably connected with an inner wall of the corresponding return groove 4, a spline sleeve 8 is slidably connected to an outer surface of the spline shaft 5, an annular groove 7 is formed in an outer surface of the spline shaft 5, a sliding groove 9 is formed in the base 1, a sliding block 10 is slidably connected to an inner wall of the sliding groove 9, the position of the motor 2 is positioned through the base 1, and the rotating shaft 3 and the output end of the motor 2 are fixedly placed, the motor 2 is used for providing power for the rotation of the rotating shaft 3, the motor 2 can be stably output through the base 1 and stably run, the position of the circular groove 4 is positioned through the rotating shaft 3, the positioning effect is realized on the spline shaft 5 through the rotating shaft 3, the positioning effect is realized on the limiting block 6 through the spline shaft 5, the sliding effect is realized on the limiting block 6 and the corresponding circular groove 4, the locking effect of the limiting block 6 is realized through the outline of the circular groove 4, the positioning effect is realized on the spline sleeve 8 and the annular groove 7 through the spline shaft 5, the external spline of the spline shaft 5 is mutually meshed with the internal spline of the spline sleeve 8, the torque transmission effect is realized, the positioning is realized on the sliding groove 9 through the base 1, the limiting block 10 is realized on the sliding block 10 through the sliding groove 9 in the sliding groove 9, preventing the sliding block 10 from moving deviation.

Referring to fig. 2, the inner wall of the sliding block 10 is slidably connected with two supporting rods 11, one side of each supporting rod 11, which is close to each other, is fixedly connected with a fixing block 12, the supporting rods 11 are positioned by the sliding block 10, the fixing blocks 12 are placed on the outer surfaces of the supporting rods 11, the circle centers of the fixing blocks 12 and the axle center of the rotating shaft 3 are prevented from being arranged on the same horizontal plane at the top ends of the supporting rods 11, and the coaxiality of the clamped spline shaft 5 and the rotating shaft 3 is ensured.

Referring to fig. 4, one end of each fixing block 12, which is close to each other, is fixedly connected with a connecting frame 13, the inner wall of each connecting frame 13 is fixedly connected with a clamping block 14, the connecting frame 13 is positioned by the fixing blocks 12, the clamping blocks 14 are placed and fixed with the connecting frame 13, and the limiting effect on the clamping blocks 14 is achieved by the connecting frames 13.

Referring to fig. 4, the inner wall of each clamping block 14 is sleeved with balls 15 arranged equidistantly, the outer surface of each ball 15 is contacted with the inner wall of the annular groove 7, the positions of the balls 15 are positioned through the clamping blocks 14, the balls 15 are limited by the inner walls of the clamping blocks 14, the balls 15 are prevented from falling off, the balls 15 are contacted with the annular groove 7, and the rotation of the spline shaft 5 is prevented from being influenced by the contact between the balls 15 and the annular groove 7.

Referring to fig. 2, a bidirectional threaded rod 16 is disposed in the sliding block 10, the inner portion of each supporting rod 11 is in threaded connection with the outer surface of the bidirectional threaded rod 16, a positioning effect is achieved on the bidirectional threaded rod 16 through the sliding block 10, the bidirectional threaded rod 16 is connected with the supporting rods 11, a relative movement effect of the supporting rods 11 is achieved through two opposite threads outside the bidirectional threaded rod 16, and clamping of the spline shaft 5 is facilitated.

Referring to fig. 2, two springs 17 are fixedly connected to the inner side wall of the sliding groove 9, the other end of each spring 17 is fixedly connected to the right side surface of the sliding block 10, the springs 17 are positioned through the sliding groove 9, the springs 17 are connected to the sliding block 10, and a reverse force is provided for the sliding block 10 through the elasticity of the springs 17, so that a certain supporting effect is achieved.

Referring to fig. 2, a hydraulic rod 18 is fixedly mounted on the inner side wall of the sliding groove 9, the other end of the hydraulic rod 18 is fixedly mounted on the left side surface of the sliding block 10, the first hydraulic rod 18 is positioned through the sliding groove 9, the hydraulic rod 18 is connected with the sliding block 10, the sliding block 10 moves through the expansion and contraction of the hydraulic rod 18, and the hydraulic rod 18 is used as a power component of the sliding block 10.

When the utility model is used: when the limiting block 6 moves to the bottommost end of the return groove 4, the rotating spline shaft 5 drives the limiting block 6 to move, at the moment, the return spline shaft 5 drives the limiting block 6 to lock with the return groove 4, the hydraulic rod 18 stretches and contracts to drive the sliding block 10 to move in the sliding groove 9, the clamping block 14 corresponds to the annular groove 7, the bidirectional threaded rod 16 is rotated immediately to drive the supporting rod 11 to move relatively, the supporting rod 11 drives the fixed block 12 to move, the fixed block 12 drives the clamping block 14 to move through the connecting frame 13, and at the moment, the clamping block 14 drives the balls 15 to contact with the annular groove 7, so that the limiting effect on the spline shaft 5 is achieved.

The foregoing description is only illustrative of the utility model and is not to be construed as limiting the utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principle of the present utility model, should be included in the scope of the claims of the present utility model.

Claims (7)

1. Spline housing convenient to dismouting, including base (1), its characterized in that: the novel electric motor is characterized in that a motor (2) is fixedly inlaid in the base (1), the output end of the motor (2) is fixedly connected with a rotating shaft (3), a return groove (4) which is arranged at equal intervals is formed in the inner wall of the rotating shaft (3), a spline shaft (5) is slidably connected to the inner wall of the rotating shaft (3), limiting blocks (6) which are arranged at equal intervals are fixedly connected to the outer surfaces of the spline shaft (5), each limiting block is slidably connected with the inner wall of the corresponding return groove (4), a spline sleeve (8) is slidably connected to the outer surface of the spline shaft (5), an annular groove (7) is formed in the outer surface of the spline shaft (5), and a sliding groove (9) is formed in the base (1), and a sliding block (10) is slidably connected to the inner wall of the sliding groove (9).

2. The spline housing for easy disassembly and assembly of claim 1, wherein: the inner wall sliding connection of sliding block (10) has two bracing pieces (11), every bracing piece (11) all fixedly connected with fixed block (12) in the one side that is close to each other.

3. The spline housing for easy disassembly and assembly of claim 2, wherein: one end of each fixed block (12) which is close to each other is fixedly connected with a connecting frame (13), and the inner wall of each connecting frame (13) is fixedly connected with a clamping block (14).

4. A spline housing for facilitating disassembly and assembly according to claim 3, wherein: the inner wall of each clamping block (14) is sleeved with balls (15) which are arranged at equal intervals, and the outer surface of each ball (15) is contacted with the inner wall of the annular groove (7).

5. The spline housing for easy disassembly and assembly of claim 2, wherein: the inside of sliding block (10) is equipped with two-way threaded rod (16), every the inside of bracing piece (11) all with the surface threaded connection of two-way threaded rod (16).

6. The spline housing for easy disassembly and assembly of claim 1, wherein: the inner side wall of the sliding groove (9) is fixedly connected with two springs (17), and the other end of each spring (17) is fixedly connected with the right side face of the sliding block (10).

7. The spline housing for easy disassembly and assembly of claim 1, wherein: the inner side wall of the sliding groove (9) is fixedly provided with a hydraulic rod (18), and the other end of the hydraulic rod (18) is fixedly arranged on the left side surface of the sliding block (10).