CN113202877A - Spline connection device and transmission assembly - Google Patents
Spline connection device and transmission assembly Download PDFInfo
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- CN113202877A CN113202877A CN202110489259.7A CN202110489259A CN113202877A CN 113202877 A CN113202877 A CN 113202877A CN 202110489259 A CN202110489259 A CN 202110489259A CN 113202877 A CN113202877 A CN 113202877A
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- spline
- groove
- hub
- spline hub
- shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
- F16D3/06—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted to allow axial displacement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/02—Shafts; Axles
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The application provides a spline connection device and transmission assembly, spline connection device includes: the spline shaft is provided with a first groove; the limiting piece is arranged on the first groove; the spline hub is provided with a through hole, the spline hub is sleeved on the spline shaft through the through hole, and a second groove is formed in the circumferential direction of the through hole; the limiting piece is also abutted to the side wall of the second groove and used for axial limiting of the spline hub. Because the second groove is arranged in the through hole of the spline hub, the spline hub can be axially limited without increasing the axial size of the spline shaft, so that the problem that the spline hub needs to be limited axially but the space is insufficient and the spline shaft cannot be lengthened is solved.
Description
Technical Field
The invention relates to the technical field of mechanical engineering, in particular to a spline connection device and a transmission assembly.
Background
The spline connection is a common connection structure in mechanical transmission, and the service performance of the spline connection plays an important role in realizing the functions, reliability and the like of the whole transmission system. The axial positioning of the spline hub is an essential key link in engineering design, and under the condition of ensuring the function of the spline hub, the spline hub is easy to disassemble and assemble and has good maintainability. At present, axial limiting is generally performed in a mode that a clamp spring is arranged on the end face of a spline hub, the axial size of the spline shaft needs to be increased, and the problem that space is not available or limited when axial limiting is needed cannot be solved.
Disclosure of Invention
The present application is directed to solving at least one of the above-described problems of a splined hub that requires axial spacing without space or is limited.
To this end, a first object of the present application is to provide a spline connection device.
A second object of the present application is to provide a transmission assembly.
In order to achieve the first object of the present application, the technical solution of the present application provides a spline connection device, including: the spline shaft is provided with a first groove; the limiting piece is arranged on the first groove; the spline hub is provided with a through hole, the spline hub is sleeved on the spline shaft through the through hole, and a second groove is formed in the circumferential direction of the through hole; the limiting piece is also abutted to the side wall of the second groove and used for axial limiting of the spline hub.
In this technical scheme, spline connection device includes integral key shaft, spline hub and locating part. Be equipped with first recess on the integral key shaft, first recess has limit function. Be equipped with the second recess in the spline hub through-hole, the second recess possesses direction, spacing and the function that is difficult for deviating from. The limiting piece is installed on the first groove. The limiting piece is abutted to the side wall of the second groove, and the spline hub can be axially limited. Because the second groove is arranged in the through hole of the spline hub, the spline hub can be axially limited without increasing the axial size of the spline shaft, so that the problem that the spline hub needs to be limited axially but the space is insufficient and the spline shaft cannot be lengthened is solved. Meanwhile, the axial size of the spline shaft is not increased, and materials can be saved.
In addition, the technical scheme provided by the application can also have the following additional technical characteristics:
among the above-mentioned technical scheme, the locating part includes: the clamp spring is provided with an opening.
In the technical scheme, the limiting part can be a clamp spring, an opening is formed in the clamp spring, and a certain distance is reserved between two ends of the opening. The opening distance can ensure that the clamp spring has a contraction space when the spline hub is installed on the spline shaft. Specifically, when the clamp spring is sleeved on the spline shaft, the clamp spring is spread due to the opening, so that the clamp spring is conveniently sleeved on the spline shaft through the opening. When the clamp spring is pushed to the position of the first groove, the shaft diameter is reduced, and the clamp spring contracts under the action of elastic force so as to be sleeved in the first groove. When the spline hub is installed, the clamp spring is firstly extruded by the spline hub, the clamp spring is contracted in the first groove, when the spline hub is in place, the clamp spring bounces again when the second groove is opposite to the first groove, and therefore the spline hub is axially limited.
Among the above-mentioned technical scheme, the jump ring is the polygon.
In this technical scheme, the jump ring is the polygon. The polygonal clamp spring is sleeved on the circular first groove, the small-size part of the clamp spring can have a clamping effect, and the large-size part can be abutted to the second groove. If the clamp spring is circular, the diameter of the clamp spring is thicker, and the clamp spring can be abutted against the first groove and the second groove at the same time. Compared with a circular clamp spring, the diameter of the polygonal structure can be smaller, so that the material is saved, the weight is reduced, and the installation is easy.
Among the above-mentioned technical scheme, the radial cross-section of jump ring is circular. In the technical scheme, the radial section of the clamp spring is designed to be circular, the circular surface plays a role in guiding, the clamp spring can slide into the first groove from the outside of the spline shaft, and the inner side and the outer side of the clamp spring are respectively in contact with and positioned on the first groove on the spline shaft and the second groove in the spline hub.
In the above technical scheme, the spline shaft further comprises: and the external spline is arranged between the first groove and the end face of the spline shaft along the circumferential direction of the spline shaft.
In this technical scheme, be equipped with the external splines on the integral key shaft, the external splines sets up along the circumference of integral key shaft, locates between the terminal surface of first recess and integral key shaft. Through the meshing of the external splines on the spline shaft and the internal splines on the spline hub, the spline hub can be circumferentially limited, so that the effect of transmitting mechanical torque is achieved.
In the above technical scheme, the spline shaft further comprises: the step, the step sets up along the circumference of integral key shaft to be located one side that external splines were kept away from to first recess, the step is used for offseting with the spline hub.
Among this technical scheme, be equipped with the step in the circumference of integral key shaft, the step is located one side that external splines were kept away from to first recess, and the step face is used for offsetting with the terminal surface of spline hub one end to it is spacing to carry out the axial to spline hub one end, makes integral key shaft and spline hub connection more reliable, stable.
Among the above-mentioned technical scheme, the spline hub still includes: and the inner spline is arranged on one side of the second groove along the circumferential direction of the through hole.
In this technical scheme, be equipped with the internal spline on the spline hub, the internal spline sets up along the circumference of spline hub through-hole, locates one of them side of second recess. Through the meshing of the external splines on the spline shaft and the internal splines on the spline hub, the spline hub can be circumferentially limited, so that the effect of transmitting mechanical torque is achieved.
In the above technical solution, the cross section of the second groove gradually increases from the bottom to the top.
In this technical scheme, the cross section of second recess is followed the top and is increased gradually to the bottom, is convenient for adapt to the jump ring size, makes the second recess can compress tightly the jump ring to offset with the lateral wall of second recess. Wherein, the top is the bottom of the second groove, and the bottom is the open end of the second groove.
Among the above-mentioned technical scheme, be equipped with the inclined plane on the spline hub, the inclined plane is used for the direction.
In the technical scheme, the spline hub is provided with an inclined plane, and the inclined plane is arranged on the end face of one end of the spline hub and is abutted against the step of the spline shaft. The inclined plane plays a guiding role when the spline hub is installed, so that the clamp spring is easily clamped into the second groove.
Among the above-mentioned technical scheme, in the first recess was located to some of jump ring, in the second recess was located to another part of jump ring.
In this technical scheme, a part of jump ring is located in first recess, contacts with the lateral wall of first recess. The other part of the clamp spring is arranged in the second groove and is in contact with the side wall of the second groove. It can be understood that one part of the clamp spring is arranged in the first groove, the other part of the clamp spring is arranged in the second groove, the side face of the clamp spring is pressed against the positioning inclined face, and the clamp spring can be separated only when the design disassembly force is reached, so that the axial limiting effect of the spline hub is achieved.
To achieve the second object of the present application, the technical solution of the present application provides a transmission assembly, including: a splined connection according to any of the previous claims.
The transmission assembly provided by the technical scheme of the present application includes the spline connection device according to any one of the above technical schemes of the present application, so that the transmission assembly has all the advantages of the spline connection device according to any one of the above technical schemes of the present application, and details are not repeated herein.
Additional aspects and advantages of the present application will be set forth in part in the description which follows, or may be learned by practice of the present application.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic illustration in partial cross-section of a spline connection according to one embodiment of the present application;
FIG. 2 is a schematic view, partially in section, of a spline shaft according to one embodiment of the present application;
FIG. 3 is a partial cross-sectional structural schematic view of a splined hub according to an embodiment of the present application;
FIG. 4 is a schematic front view of a clamp spring according to an embodiment of the present application;
FIG. 5 is a schematic cross-sectional view of a clamp spring according to an embodiment of the present application;
FIG. 6 is a schematic illustration in partial cross-section of a spline connection according to an embodiment of the present application;
FIG. 7 is a block diagram illustrating the structure of a transmission assembly according to one embodiment of the present application.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 7 is:
10: a spline connection device; 110: a spline shaft; 112: a first groove; 114: an external spline; 116: a step; 120: a splined hub; 122: a second groove; 124: an internal spline; 126: a bevel; 128: a through hole; 130: a clamp spring; 20: and a transmission assembly.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A splined connection and a transmission assembly according to some embodiments of the present application are described below with reference to fig. 1-7.
Example 1:
as shown in fig. 1, the present embodiment provides a spline connection device 10, and specifically, the spline connection device 10 is provided with a spline shaft 110, a stopper, and a spline hub 120. The spline shaft 110 is provided with a first groove 112, and the limiting member is mounted on the first groove 112. The spline hub 120 is provided with a through hole 128, and the spline hub 120 is sleeved on the spline shaft 110 through the through hole 128. The through hole 128 of the spline hub 120 is circumferentially provided with a second groove 122. The stop member also abuts against a sidewall of the second groove 122 for axial stop of the spline hub 120.
In this embodiment, the spline connection device 10 includes a spline shaft 110, a spline hub 120, and a stopper. The spline shaft 110 is provided with a first groove 112, and the first groove 112 has a limiting function. A second groove 122 is formed in the through hole 128 of the spline hub 120, and the second groove 122 has guiding, limiting and anti-disengaging functions. The limiting member is mounted on the first groove 112. The spline hub 120 can be axially limited by the limit piece abutting against the side wall of the second groove 122. Because the second groove 122 is arranged in the through hole 128 of the spline hub 120, the spline hub 120 can be axially limited without increasing the axial size of the spline shaft 110, so that the problem that the spline hub 120 needs to be axially limited but the space is insufficient, and the spline shaft 110 cannot be lengthened is solved. Meanwhile, the axial size of the spline shaft 110 is not increased, and materials can be saved.
Example 2:
as shown in fig. 1, the present embodiment provides a spline connection device 10, and specifically, the spline connection device 10 is provided with a spline shaft 110, a stopper, and a spline hub 120. The spline shaft 110 is provided with a first groove 112, and the limiting member is mounted on the first groove 112. The spline hub 120 is provided with a through hole 128, and the spline hub 120 is sleeved on the spline shaft 110 through the through hole 128. The through hole 128 of the spline hub 120 is circumferentially provided with a second groove 122. The stop member also abuts against a sidewall of the second groove 122 for axial stop of the spline hub 120.
In this embodiment, the spline connection device 10 includes a spline shaft 110, a spline hub 120, and a stopper. The spline shaft 110 is provided with a first groove 112, and the first groove 112 has a limiting function. A second groove 122 is formed in the through hole 128 of the spline hub 120, and the second groove 122 has guiding, limiting and anti-disengaging functions. The limiting member is mounted on the first groove 112. The spline hub 120 can be axially limited by the limit piece abutting against the side wall of the second groove 122. Because the second groove 122 is arranged in the through hole 128 of the spline hub 120, the spline hub 120 can be axially limited without increasing the axial size of the spline shaft 110, so that the problem that the spline hub 120 needs to be axially limited but the space is insufficient, and the spline shaft 110 cannot be lengthened is solved. Meanwhile, the axial size of the spline shaft 110 is not increased, and materials can be saved.
As shown in fig. 4 and 6, further, the limiting member includes a clamp spring 130, and the clamp spring 130 is provided with an opening. The clamp spring 130 has a certain distance between the two open ends, and the distance ensures that the clamp spring 130 has a contraction space when the spline hub 120 is mounted on the spline shaft 110. Specifically, when the snap spring 130 is fitted into the spline shaft, the snap spring 130 is spread due to the opening, so that the snap spring 130 is fitted onto the spline shaft 110 through the opening. When the clamp spring 130 is pushed to the position of the first groove 112, the shaft diameter is reduced, and the clamp spring 130 contracts under the action of elastic force so as to be sleeved in the first groove 112. When the spline hub 120 is installed, the spline hub 120 firstly presses the snap spring 130, so that the snap spring 130 contracts towards the inside of the first groove 112, and when the spline hub 120 is in place and the second groove 122 is opposite to the first groove 112, the snap spring 130 bounces again, so that the spline hub 120 is axially limited.
Example 3:
as shown in fig. 1, the present embodiment provides a spline connection device 10, and specifically, the spline connection device 10 is provided with a spline shaft 110, a stopper, and a spline hub 120. The spline shaft 110 is provided with a first groove 112, and the limiting member is mounted on the first groove 112. The spline hub 120 is provided with a through hole 128, and the spline hub 120 is sleeved on the spline shaft 110 through the through hole 128. The through hole 128 of the spline hub 120 is circumferentially provided with a second groove 122. The stop member also abuts against a sidewall of the second groove 122 for axial stop of the spline hub 120.
In this embodiment, the spline connection device 10 includes a spline shaft 110, a spline hub 120, and a stopper. The spline shaft 110 is provided with a first groove 112, and the first groove 112 has a limiting function. A second groove 122 is formed in the through hole 128 of the spline hub 120, and the second groove 122 has guiding, limiting and anti-disengaging functions. The limiting member is mounted on the first groove 112. The spline hub 120 can be axially limited by the limit piece abutting against the side wall of the second groove 122. Because the second groove 122 is arranged in the through hole 128 of the spline hub 120, the spline hub 120 can be axially limited without increasing the axial size of the spline shaft 110, so that the problem that the spline hub 120 needs to be axially limited but the space is insufficient, and the spline shaft 110 cannot be lengthened is solved. Meanwhile, the axial size of the spline shaft 110 is not increased, and materials can be saved.
As shown in fig. 4 and 6, further, the limiting member includes a clamp spring 130, and the clamp spring 130 is provided with an opening. The clamp spring 130 has a certain distance between the two open ends, and the distance ensures that the clamp spring 130 has a contraction space when the spline hub 120 is mounted on the spline shaft 110. Specifically, when the snap spring 130 is fitted into the spline shaft 110, the snap spring 130 is spread due to the opening, so that the snap spring 130 is fitted onto the spline shaft 110 through the opening. When the clamp spring 130 is pushed to the position of the first groove 112, the shaft diameter is reduced, and the clamp spring 130 contracts under the action of elastic force so as to be sleeved in the first groove 112. When the spline hub 120 is installed, the spline hub 120 firstly presses the snap spring 130, so that the snap spring 130 contracts towards the inside of the first groove 112, and when the spline hub 120 is in place and the second groove 122 is opposite to the first groove 112, the snap spring 130 bounces again, so that the spline hub 120 is axially limited.
Further, the latch spring 130 has a polygonal shape. It can be understood that the polygonal clamp spring 130 is sleeved on the circular first groove 112, a smaller part of the clamp spring 130 can have a clamping effect, and a larger part can be abutted against the second groove 122. If the circlip 130 is circular, the diameter must be made thicker to simultaneously abut against the first groove 112 and the second groove 122. The diameter of the polygonal structure can be made smaller, thereby saving materials, reducing weight and being easy to install.
Example 4:
as shown in fig. 1, the present embodiment provides a spline connection device 10, and specifically, the spline connection device 10 is provided with a spline shaft 110, a stopper, and a spline hub 120. The spline shaft 110 is provided with a first groove 112, and the limiting member is mounted on the first groove 112. The spline hub 120 is provided with a through hole 128, and the spline hub 120 is sleeved on the spline shaft 110 through the through hole 128. The through hole 128 of the spline hub 120 is circumferentially provided with a second groove 122. The stop member also abuts against a sidewall of the second groove 122 for axial stop of the spline hub 120.
In this embodiment, the spline connection device 10 includes a spline shaft 110, a spline hub 120, and a stopper. The spline shaft 110 is provided with a first groove 112, and the first groove 112 has a limiting function. A second groove 122 is formed in the through hole 128 of the spline hub 120, and the second groove 122 has guiding, limiting and anti-disengaging functions. The limiting member is mounted on the first groove 112. The spline hub 120 can be axially limited by the limit piece abutting against the side wall of the second groove 122. Because the second groove 122 is arranged in the through hole 128 of the spline hub 120, the spline hub 120 can be axially limited without increasing the axial size of the spline shaft 110, so that the problem that the spline hub 120 needs to be axially limited but the space is insufficient, and the spline shaft 110 cannot be lengthened is solved. Meanwhile, the axial size of the spline shaft 110 is not increased, and materials can be saved.
As shown in fig. 4 and 6, further, the limiting member includes a clamp spring 130, and the clamp spring 130 is provided with an opening. The clamp spring 130 has a certain distance between the two open ends, and the distance ensures that the clamp spring 130 has a contraction space when the spline hub 120 is mounted on the spline shaft 110. Specifically, when the snap spring 130 is fitted into the spline shaft, the snap spring 130 is spread due to the opening, so that the snap spring 130 is fitted onto the spline shaft 110 through the opening. When the clamp spring 130 is pushed to the position of the first groove 112, the shaft diameter is reduced, and the clamp spring 130 contracts under the action of elastic force so as to be sleeved in the first groove 112. When the spline hub 120 is installed, the spline hub 120 firstly presses the snap spring 130, so that the snap spring 130 contracts towards the inside of the first groove 112, and when the spline hub 120 is in place and the second groove 122 is opposite to the first groove 112, the snap spring 130 bounces again, so that the spline hub 120 is axially limited.
Further, the latch spring 130 has a polygonal shape. It can be understood that the polygonal clamp spring 130 is sleeved on the circular first groove 112, a smaller part of the clamp spring 130 can have a clamping effect, and a larger part can be abutted against the second groove 122. If the circlip 130 is circular, the diameter must be made thicker to simultaneously abut against the first groove 112 and the second groove 122. The diameter of the polygonal structure can be made smaller, thereby saving materials, reducing weight and being easy to install.
As shown in fig. 5, further, the radial section of the circlip 130 is circular. The radial section of the circlip 130 is designed to be circular, the circular surface plays a role of guiding, the circlip 130 can slide into the first groove 112 from the outside of the spline shaft 110, and the inner side and the outer side of the circlip 130 are respectively contacted and positioned with the first groove 112 on the spline shaft 110 and the second groove 122 in the spline hub 120.
Example 5:
as shown in fig. 1, the present embodiment provides a spline connection device 10, and specifically, the spline connection device 10 is provided with a spline shaft 110, a stopper, and a spline hub 120. The spline shaft 110 is provided with a first groove 112, and the limiting member is mounted on the first groove 112. The spline hub 120 is provided with a through hole 128, and the spline hub 120 is sleeved on the spline shaft 110 through the through hole 128. The through hole 128 of the spline hub 120 is circumferentially provided with a second groove 122. The stop member also abuts against a sidewall of the second groove 122 for axial stop of the spline hub 120.
In this embodiment, the spline connection device 10 includes a spline shaft 110, a spline hub 120, and a stopper. The spline shaft 110 is provided with a first groove 112, and the first groove 112 has a limiting function. A second groove 122 is formed in the through hole 128 of the spline hub 120, and the second groove 122 has guiding, limiting and anti-disengaging functions. The limiting member is mounted on the first groove 112. The spline hub 120 can be axially limited by the limit piece abutting against the side wall of the second groove 122. Because the second groove 122 is arranged in the through hole 128 of the spline hub 120, the spline hub 120 can be axially limited without increasing the axial size of the spline shaft 110, so that the problem that the spline hub 120 needs to be axially limited but the space is insufficient, and the spline shaft 110 cannot be lengthened is solved. Meanwhile, the axial size of the spline shaft 110 is not increased, and materials can be saved.
As shown in fig. 4 and 6, further, the limiting member includes a clamp spring 130, and the clamp spring 130 is provided with an opening. The clamp spring 130 has a certain distance between the two open ends, and the distance ensures that the clamp spring 130 has a contraction space when the spline hub 120 is mounted on the spline shaft 110. Specifically, when the snap spring 130 is fitted into the spline shaft, the snap spring 130 is spread due to the opening, so that the snap spring 130 is fitted onto the spline shaft 110 through the opening. When the clamp spring 130 is pushed to the position of the first groove 112, the shaft diameter is reduced, and the clamp spring 130 contracts under the action of elastic force so as to be sleeved in the first groove 112. When the spline hub 120 is installed, the spline hub 120 firstly presses the snap spring 130, so that the snap spring 130 contracts towards the inside of the first groove 112, and when the spline hub 120 is in place and the second groove 122 is opposite to the first groove 112, the snap spring 130 bounces again, so that the spline hub 120 is axially limited.
Further, the latch spring 130 has a polygonal shape. It can be understood that the polygonal clamp spring 130 is sleeved on the circular first groove 112, a smaller part of the clamp spring 130 can have a clamping effect, and a larger part can be abutted against the second groove 122. If the circlip 130 is circular, the diameter must be made thicker to simultaneously abut against the first groove 112 and the second groove 122. The diameter of the polygonal structure can be made smaller, thereby saving materials, reducing weight and being easy to install.
As shown in fig. 2, the spline shaft 110 is further provided with external splines 114, and the external splines 114 are provided along the circumferential direction of the spline shaft 110 and between the first grooves 112 and the end surface of the spline shaft 110. The spline hub 120 can be circumferentially limited by the engagement of the external splines 114 on the spline shaft 110 with the internal splines 124 on the spline hub 120, thereby serving to transmit mechanical torque.
Example 6:
as shown in fig. 1, the present embodiment provides a spline connection device 10, and specifically, the spline connection device 10 is provided with a spline shaft 110, a stopper, and a spline hub 120. The spline shaft 110 is provided with a first groove 112, and the limiting member is mounted on the first groove 112. The spline hub 120 is provided with a through hole 128, and the spline hub 120 is sleeved on the spline shaft 110 through the through hole 128. The through hole 128 of the spline hub 120 is circumferentially provided with a second groove 122. The stop member also abuts against a sidewall of the second groove 122 for axial stop of the spline hub 120.
In this embodiment, the spline connection device 10 includes a spline shaft 110, a spline hub 120, and a stopper. The spline shaft 110 is provided with a first groove 112, and the first groove 112 has a limiting function. A second groove 122 is formed in the through hole 128 of the spline hub 120, and the second groove 122 has guiding, limiting and anti-disengaging functions. The limiting member is mounted on the first groove 112. The spline hub 120 can be axially limited by the limit piece abutting against the side wall of the second groove 122. Because the second groove 122 is arranged in the through hole 128 of the spline hub 120, the spline hub 120 can be axially limited without increasing the axial size of the spline shaft 110, so that the problem that the spline hub 120 needs to be axially limited but the space is insufficient, and the spline shaft 110 cannot be lengthened is solved. Meanwhile, the axial size of the spline shaft 110 is not increased, and materials can be saved.
As shown in fig. 4 and 6, further, the limiting member includes a clamp spring 130, and the clamp spring 130 is provided with an opening. The clamp spring 130 has a certain distance between the two open ends, and the distance ensures that the clamp spring 130 has a contraction space when the spline hub 120 is mounted on the spline shaft 110. Specifically, when the snap spring 130 is fitted into the spline shaft, the snap spring 130 is spread due to the opening, so that the snap spring 130 is fitted onto the spline shaft 110 through the opening. When the clamp spring 130 is pushed to the position of the first groove 112, the shaft diameter is reduced, and the clamp spring 130 contracts under the action of elastic force so as to be sleeved in the first groove 112. When the spline hub 120 is installed, the spline hub 120 firstly presses the snap spring 130, so that the snap spring 130 contracts towards the inside of the first groove 112, and when the spline hub 120 is in place and the second groove 122 is opposite to the first groove 112, the snap spring 130 bounces again, so that the spline hub 120 is axially limited.
Further, the latch spring 130 has a polygonal shape. It can be understood that the polygonal clamp spring 130 is sleeved on the circular first groove 112, a smaller part of the clamp spring 130 can have a clamping effect, and a larger part can be abutted against the second groove 122. If the circlip 130 is circular, the diameter must be made thicker to simultaneously abut against the first groove 112 and the second groove 122. The diameter of the polygonal structure can be made smaller, thereby saving materials, reducing weight and being easy to install.
As shown in fig. 2, the spline shaft 110 is further provided with external splines 114, and the external splines 114 are provided along the circumferential direction of the spline shaft 110 and between the first grooves 112 and the end surface of the spline shaft 110. The spline hub 120 can be circumferentially limited by the engagement of the external splines 114 on the spline shaft 110 with the internal splines 124 on the spline hub 120, thereby serving to transmit mechanical torque.
Further, the spline shaft 110 also includes a step 116. The step 116 is disposed along the circumferential direction of the spline shaft 110 and is located on the side of the first groove 112 away from the external spline 114. Step 116 is for abutting splined hub 120. The step 116 abuts against the end face of one end of the spline hub 120, so that one end of the spline hub 120 is axially limited, and the spline shaft 110 and the spline hub 120 are more reliably and stably connected.
Example 7:
as shown in fig. 1, the present embodiment provides a spline connection device 10, and specifically, the spline connection device 10 is provided with a spline shaft 110, a stopper, and a spline hub 120. The spline shaft 110 is provided with a first groove 112, and the limiting member is mounted on the first groove 112. The spline hub 120 is provided with a through hole 128, and the spline hub 120 is sleeved on the spline shaft 110 through the through hole 128. The through hole 128 of the spline hub 120 is circumferentially provided with a second groove 122. The stop member also abuts against a sidewall of the second groove 122 for axial stop of the spline hub 120.
In this embodiment, the spline connection device 10 includes a spline shaft 110, a spline hub 120, and a stopper. The spline shaft 110 is provided with a first groove 112, and the first groove 112 has a limiting function. A second groove 122 is formed in the through hole 128 of the spline hub 120, and the second groove 122 has guiding, limiting and anti-disengaging functions. The limiting member is mounted on the first groove 112. The spline hub 120 can be axially limited by the limit piece abutting against the side wall of the second groove 122. Because the second groove 122 is arranged in the through hole 128 of the spline hub 120, the spline hub 120 can be axially limited without increasing the axial size of the spline shaft 110, so that the problem that the spline hub 120 needs to be axially limited but the space is insufficient, and the spline shaft 110 cannot be lengthened is solved. Meanwhile, the axial size of the spline shaft 110 is not increased, and materials can be saved.
As shown in fig. 4 and 6, further, the limiting member includes a clamp spring 130, and the clamp spring 130 is provided with an opening. The clamp spring 130 has a certain distance between the two open ends, and the distance ensures that the clamp spring 130 has a contraction space when the spline hub 120 is mounted on the spline shaft 110. Specifically, when the snap spring 130 is fitted into the spline shaft, the snap spring 130 is spread due to the opening, so that the snap spring 130 is fitted onto the spline shaft 110 through the opening. When the clamp spring 130 is pushed to the position of the first groove 112, the shaft diameter is reduced, and the clamp spring 130 contracts under the action of elastic force so as to be sleeved in the first groove 112. When the spline hub 120 is installed, the spline hub 120 firstly presses the snap spring 130, so that the snap spring 130 contracts towards the inside of the first groove 112, and when the spline hub 120 is in place and the second groove 122 is opposite to the first groove 112, the snap spring 130 bounces again, so that the spline hub 120 is axially limited.
Further, the latch spring 130 has a polygonal shape. It can be understood that the polygonal clamp spring 130 is sleeved on the circular first groove 112, a smaller part of the clamp spring 130 can have a clamping effect, and a larger part can be abutted against the second groove 122. If the circlip 130 is circular, the diameter must be made thicker to simultaneously abut against the first groove 112 and the second groove 122. The diameter of the polygonal structure can be made smaller, thereby saving materials, reducing weight and being easy to install.
As shown in fig. 3, further, the spline hub 120 is provided with an internal spline 124, and the internal spline 124 is disposed along the circumferential direction of the through hole 128 of the spline hub 120 and is disposed on one side of the second groove 122. The spline hub 120 can be circumferentially limited by the engagement of the external splines 114 on the spline shaft 110 with the internal splines 124 on the spline hub 120, thereby serving to transmit mechanical torque.
Example 8:
as shown in fig. 1, the present embodiment provides a spline connection device 10, and specifically, the spline connection device 10 is provided with a spline shaft 110, a stopper, and a spline hub 120. The spline shaft 110 is provided with a first groove 112, and the limiting member is mounted on the first groove 112. The spline hub 120 is provided with a through hole 128, and the spline hub 120 is sleeved on the spline shaft 110 through the through hole 128. The through hole 128 of the spline hub 120 is circumferentially provided with a second groove 122. The stop member also abuts against a sidewall of the second groove 122 for axial stop of the spline hub 120.
In this embodiment, the spline connection device 10 includes a spline shaft 110, a spline hub 120, and a stopper. The spline shaft 110 is provided with a first groove 112, and the first groove 112 has a limiting function. A second groove 122 is formed in the through hole 128 of the spline hub 120, and the second groove 122 has guiding, limiting and anti-disengaging functions. The limiting member is mounted on the first groove 112. The spline hub 120 can be axially limited by the limit piece abutting against the side wall of the second groove 122. Because the second groove 122 is arranged in the through hole 128 of the spline hub 120, the spline hub 120 can be axially limited without increasing the axial size of the spline shaft 110, so that the problem that the spline hub 120 needs to be axially limited but the space is insufficient, and the spline shaft 110 cannot be lengthened is solved. Meanwhile, the axial size of the spline shaft 110 is not increased, and materials can be saved.
As shown in fig. 4 and 6, further, the limiting member includes a clamp spring 130, and the clamp spring 130 is provided with an opening. The clamp spring 130 has a certain distance between the two open ends, and the distance ensures that the clamp spring 130 has a contraction space when the spline hub 120 is mounted on the spline shaft 110. Specifically, when the snap spring 130 is fitted into the spline shaft, the snap spring 130 is spread due to the opening, so that the snap spring 130 is fitted onto the spline shaft 110 through the opening. When the clamp spring 130 is pushed to the position of the first groove 112, the shaft diameter is reduced, and the clamp spring 130 contracts under the action of elastic force so as to be sleeved in the first groove 112. When the spline hub 120 is installed, the spline hub 120 firstly presses the snap spring 130, so that the snap spring 130 contracts towards the inside of the first groove 112, and when the spline hub 120 is in place and the second groove 122 is opposite to the first groove 112, the snap spring 130 bounces again, so that the spline hub 120 is axially limited.
Further, the latch spring 130 has a polygonal shape. It can be understood that the polygonal clamp spring 130 is sleeved on the circular first groove 112, a smaller part of the clamp spring 130 can have a clamping effect, and a larger part can be abutted against the second groove 122. If the circlip 130 is circular, the diameter must be made thicker to simultaneously abut against the first groove 112 and the second groove 122. The diameter of the polygonal structure can be made smaller, thereby saving materials, reducing weight and being easy to install.
Further, the cross section of the second groove 122 gradually increases from the bottom to the top, so as to adapt to the size of the clamp spring 130, and the second groove 122 can compress the clamp spring 130 and abut against the side wall of the second groove 122. Wherein, the top is the bottom of the second groove 122, and the bottom is the open end of the second groove 122.
Example 9:
as shown in fig. 1, the present embodiment provides a spline connection device 10, and specifically, the spline connection device 10 is provided with a spline shaft 110, a stopper, and a spline hub 120. The spline shaft 110 is provided with a first groove 112, and the limiting member is mounted on the first groove 112. The spline hub 120 is provided with a through hole 128, and the spline hub 120 is sleeved on the spline shaft 110 through the through hole 128. The through hole 128 of the spline hub 120 is circumferentially provided with a second groove 122. The stop member also abuts against a sidewall of the second groove 122 for axial stop of the spline hub 120.
In this embodiment, the spline connection device 10 includes a spline shaft 110, a spline hub 120, and a stopper. The spline shaft 110 is provided with a first groove 112, and the first groove 112 has a limiting function. A second groove 122 is formed in the through hole 128 of the spline hub 120, and the second groove 122 has guiding, limiting and anti-disengaging functions. The limiting member is mounted on the first groove 112. The spline hub 120 can be axially limited by the limit piece abutting against the side wall of the second groove 122. Because the second groove 122 is arranged in the through hole 128 of the spline hub 120, the spline hub 120 can be axially limited without increasing the axial size of the spline shaft 110, so that the problem that the spline hub 120 needs to be axially limited but the space is insufficient, and the spline shaft 110 cannot be lengthened is solved. Meanwhile, the axial size of the spline shaft 110 is not increased, and materials can be saved.
As shown in fig. 4 and 6, further, the limiting member includes a clamp spring 130, and the clamp spring 130 is provided with an opening. The clamp spring 130 has a certain distance between the two open ends, and the distance ensures that the clamp spring 130 has a contraction space when the spline hub 120 is mounted on the spline shaft 110. Specifically, when the snap spring 130 is fitted into the spline shaft, the snap spring 130 is spread due to the opening, so that the snap spring 130 is fitted onto the spline shaft 110 through the opening. When the clamp spring 130 is pushed to the position of the first groove 112, the shaft diameter is reduced, and the clamp spring 130 contracts under the action of elastic force so as to be sleeved in the first groove 112. When the spline hub 120 is installed, the spline hub 120 firstly presses the snap spring 130, so that the snap spring 130 contracts towards the inside of the first groove 112, and when the spline hub 120 is in place and the second groove 122 is opposite to the first groove 112, the snap spring 130 bounces again, so that the spline hub 120 is axially limited.
Further, the latch spring 130 has a polygonal shape. It can be understood that the polygonal clamp spring 130 is sleeved on the circular first groove 112, a smaller part of the clamp spring 130 can have a clamping effect, and a larger part can be abutted against the second groove 122. If the circlip 130 is circular, the diameter must be made thicker to simultaneously abut against the first groove 112 and the second groove 122. The diameter of the polygonal structure can be made smaller, thereby saving materials, reducing weight and being easy to install.
Further, as shown in fig. 2, the spline hub 120 is provided with a bevel 126, and the bevel 126 is used for guiding. Specifically, the inclined surface 126 is provided on an end surface of one end of the spline hub 120, and is one end that abuts against the step 116 of the spline shaft 110. The ramp 126 guides the installation of the splined hub 120 to facilitate the snap spring 130 to snap into the second recess 122.
Example 10:
as shown in fig. 1, the present embodiment provides a spline connection device 10, and specifically, the spline connection device 10 is provided with a spline shaft 110, a stopper, and a spline hub 120. The spline shaft 110 is provided with a first groove 112, and the limiting member is mounted on the first groove 112. The spline hub 120 is provided with a through hole 128, and the spline hub 120 is sleeved on the spline shaft 110 through the through hole 128. The through hole 128 of the spline hub 120 is circumferentially provided with a second groove 122. The stop member also abuts against a sidewall of the second groove 122 for axial stop of the spline hub 120.
In this embodiment, the spline connection device 10 includes a spline shaft 110, a spline hub 120, and a stopper. The spline shaft 110 is provided with a first groove 112, and the first groove 112 has a limiting function. A second groove 122 is formed in the through hole 128 of the spline hub 120, and the second groove 122 has guiding, limiting and anti-disengaging functions. The limiting member is mounted on the first groove 112. The spline hub 120 can be axially limited by the limit piece abutting against the side wall of the second groove 122. Because the second groove 122 is arranged in the through hole 128 of the spline hub 120, the spline hub 120 can be axially limited without increasing the axial size of the spline shaft 110, so that the problem that the spline hub 120 needs to be axially limited but the space is insufficient, and the spline shaft 110 cannot be lengthened is solved. Meanwhile, the axial size of the spline shaft 110 is not increased, and materials can be saved.
As shown in fig. 4 and 6, further, the limiting member includes a clamp spring 130, and the clamp spring 130 is provided with an opening. The clamp spring 130 has a certain distance between the two open ends, and the distance ensures that the clamp spring 130 has a contraction space when the spline hub 120 is mounted on the spline shaft 110. Specifically, when the snap spring 130 is fitted into the spline shaft, the snap spring 130 is spread due to the opening, so that the snap spring 130 is fitted onto the spline shaft 110 through the opening. When the clamp spring 130 is pushed to the position of the first groove 112, the shaft diameter is reduced, and the clamp spring 130 contracts under the action of elastic force so as to be sleeved in the first groove 112. When the spline hub 120 is installed, the spline hub 120 firstly presses the snap spring 130, so that the snap spring 130 contracts towards the inside of the first groove 112, and when the spline hub 120 is in place and the second groove 122 is opposite to the first groove 112, the snap spring 130 bounces again, so that the spline hub 120 is axially limited.
Further, the latch spring 130 has a polygonal shape. It can be understood that the polygonal clamp spring 130 is sleeved on the circular first groove 112, a smaller part of the clamp spring 130 can have a clamping effect, and a larger part can be abutted against the second groove 122. If the circlip 130 is circular, the diameter must be made thicker to simultaneously abut against the first groove 112 and the second groove 122. The diameter of the polygonal structure can be made smaller, thereby saving materials, reducing weight and being easy to install.
As shown in fig. 1, a portion of the circlip 130 is disposed in the first groove 112, and another portion of the circlip 130 is disposed in the second groove 122. It will be appreciated that a portion of the snap spring 130 is disposed in the first groove 112 and contacts the sidewall of the first groove 112, and another portion is disposed in the second groove 122 and contacts the sidewall of the second groove 122, such that the side surface presses the positioning ramp 126 and can be disengaged only when the design removal force is reached, thereby achieving the axial spacing effect of the spline hub 120.
Example 11:
as shown in fig. 7, the present embodiment provides a transmission assembly 20, and the transmission assembly 20 includes a spline connection device 10 according to any one of the above-mentioned aspects of the present application.
The transmission assembly 20 provided in the present application includes the spline connection device 10 according to any one of the above-mentioned embodiments of the present application, so that it has all the advantages of the spline connection device 10 according to any one of the above-mentioned embodiments of the present application, and details thereof are not repeated herein.
Example 12:
as shown in fig. 1-7, in one particular embodiment, the transmission assembly 20 includes a splined interface 10. The spline connection device 10 is provided with a spline shaft 110, a spline hub 120 and a circlip 130. The spline shaft 110 is externally provided with a first groove 112, and the first groove 112 has a limiting function. The polygonal opening clamp spring 130 is designed to be a circular section and can slide into the first groove 112 from the outside of the spline shaft 110, the high point and the low point are respectively contacted and positioned with the first groove 112 and the second groove 122, and the opening is designed to be a position with a distance which ensures that the clamp spring 130 has a contraction space when the spline hub 120 is installed. The through hole 128 of the spline hub 120 is designed to be a second groove 122, and the second groove 122 has the characteristics of guiding, limiting, and being not easy to fall off.
When the spline shaft is installed, the circlip 130 is pushed along the spline shaft 110 into the first groove 112 of the spline shaft 110. The spline hub 120 is pushed into the part assembled in the previous step along the spline shaft 110, the clamp spring 130 is affected by the first groove 112, contracts first, slides into the first groove 112 smoothly, then the clamp spring 130 bounces, at the moment, the inner side of the clamp spring 130 contacts with the side wall of the first groove 112, the outer side of the clamp spring 130 contacts with the side wall of the second groove 122, the side surface of the clamp spring compresses the positioning inclined surface 126, and the clamp spring can be disengaged only when the designed disassembling force is achieved, so that the axial positioning condition is met.
In summary, the beneficial effects of the embodiment are as follows: the spline hub 120 can be designed inside, the axial size does not need to be increased, and the situation that the axial direction needs to be limited but no space or limited can be solved.
In this application, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In the description of the present application, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present application.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (11)
1. A spline connection apparatus, comprising:
a spline shaft (110), the spline shaft (110) being provided with a first groove (112);
a stopper mounted on the first groove (112);
the spline hub (120) is provided with a through hole (128), the spline hub (120) is sleeved on the spline shaft (110) through the through hole (128), and a second groove (122) is formed in the circumferential direction of the through hole (128);
the limiting piece is also abutted against the side wall of the second groove (122), and the limiting piece is used for axial limiting of the spline hub (120).
2. The spline connection apparatus according to claim 1, wherein the retainer includes:
the clamp spring (130), clamp spring (130) are equipped with the opening.
3. A splined connection according to claim 2, wherein the circlip (130) is polygonal.
4. A spline connection according to claim 2 or 3, characterized in that the radial cross-section of the circlip (130) is circular.
5. A spline connection according to any one of claims 1 to 3, wherein the spline shaft further comprises:
the external spline (114) is arranged between the first groove (112) and the end face of the spline shaft (110) along the circumferential direction of the spline shaft (110).
6. The spline connection according to claim 5, wherein the spline shaft further comprises:
the step (116) is arranged along the circumferential direction of the spline shaft (110) and located on one side, away from the external spline (114), of the first groove (112), and the step (116) is used for abutting against the spline hub (120).
7. A spline connection according to any one of claims 1 to 3, wherein the spline hub further comprises:
an internal spline (124), the internal spline (124) being provided on one side of the second groove (122) in the circumferential direction of the through hole (128).
8. A spline connection according to any one of claims 1 to 3, characterized in that the cross-section of the second groove (122) increases gradually from top to bottom.
9. A spline connection according to any one of claims 1-3, characterized in that the spline hub (120) is provided with a bevel (126), which bevel (126) is used for guidance.
10. A splined connection according to claim 2 or 3, wherein a part of the circlip (130) is provided in the first groove (112) and another part of the circlip (130) is provided in the second groove (122).
11. A drive assembly, comprising:
a spline connection according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110489259.7A CN113202877A (en) | 2021-05-06 | 2021-05-06 | Spline connection device and transmission assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110489259.7A CN113202877A (en) | 2021-05-06 | 2021-05-06 | Spline connection device and transmission assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113202877A true CN113202877A (en) | 2021-08-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110489259.7A Pending CN113202877A (en) | 2021-05-06 | 2021-05-06 | Spline connection device and transmission assembly |
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| Country | Link |
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| CN (1) | CN113202877A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115234579A (en) * | 2022-09-23 | 2022-10-25 | 万向钱潮股份公司 | Novel check ring and device thereof |
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| CN205918864U (en) * | 2016-08-26 | 2017-02-01 | 哈尔滨东安汽车发动机制造有限公司 | Novel positioning structure |
| US20200217371A1 (en) * | 2017-09-20 | 2020-07-09 | Hitachi Automotive Systems, Ltd. | Power transmission shaft |
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| DE4207839A1 (en) * | 1992-03-12 | 1993-09-16 | Loehr & Bromkamp Gmbh | HUB FASTENING |
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