CN214534137U - Spline with non-tooth contact - Google Patents
Spline with non-tooth contact Download PDFInfo
- Publication number
- CN214534137U CN214534137U CN202022965953.5U CN202022965953U CN214534137U CN 214534137 U CN214534137 U CN 214534137U CN 202022965953 U CN202022965953 U CN 202022965953U CN 214534137 U CN214534137 U CN 214534137U
- Authority
- CN
- China
- Prior art keywords
- spline
- ball
- shaft
- groove
- spline shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
- F16D3/56—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members comprising elastic metal lamellae, elastic rods, or the like, e.g. arranged radially or parallel to the axis, the members being shear-loaded collectively by the total load
- F16D3/58—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members comprising elastic metal lamellae, elastic rods, or the like, e.g. arranged radially or parallel to the axis, the members being shear-loaded collectively by the total load the intermediate members being made of rubber or like material
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The utility model discloses a spline without tooth contact, which comprises a spline shaft, a spline sleeve and a ball body; the spline shaft is embedded in the spline sleeve; one end of the spline shaft embedded in the spline housing is provided with a plurality of ball groove rings, and the side surface of each ball groove ring with equal angles is provided with a plurality of ball grooves for embedding the ball bodies; a clamping block is arranged in each ball groove; the ball body is clamped and fixed on the spline shaft through the clamping block; key grooves corresponding to the plurality of ball grooves are formed in the inner side of the spline sleeve; the ball body is a flexible ball; the utility model takes the ball body as the transmission medium between the spline shaft and the spline housing, and the ball body is a flexible ball, which converts the damage to the spline into the damage to the ball body, thereby effectively avoiding the spline from being damaged and improving the durability; and the spheroid can produce micro deformation when the transmission, can be so that its contact form with ball groove and keyway be face contact, reinforcing spheroidal bearing capacity, improves the transmission ability between integral key shaft and the spline housing.
Description
Technical Field
The utility model relates to a spline field, concretely relates to spline of non-tooth contact.
Background
The spline shaft is a mechanical transmission type, has the same functions as a flat key, a semicircular key and an inclined key and is used for transmitting mechanical torque, a longitudinal key groove is formed in the outer surface of the shaft, and a rotating part sleeved on the shaft is also provided with a corresponding key groove which can keep synchronous rotation with the shaft. While rotating, some can also slide longitudinally on the shaft, such as a gear shifting gear of a gearbox and the like.
However, the tooth profile is formed by special curves such as involute curves, and a special spline machining machine tool is required to be used for machining, and particularly, a hard tooth surface is required to be machined by an expensive gear grinding machine tool. The disadvantages of high cost, low efficiency and short life are therefore evident.
And because the material hardness that the spline used is higher, if the transmission is hindered, the spline shaft and the spare part connected with the spline shaft can all be damaged under the effect of huge moment of torsion, and the maintenance cost is higher.
Based on the circumstances, the utility model provides a spline of non-tooth contact can effectively solve above problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a spline of non-tooth contact. The utility model discloses a spline of non-tooth contact, simple structure, convenient to use, regard the spheroid as the transmission medium between integral key shaft and the spline housing, and the spheroid is flexible ball, will change the damage to integral key shaft and spline housing into the destruction to the spheroid, can effectively avoid integral key shaft and spline housing to be impaired, improve the durability of integral key shaft and spline housing; and the spheroid can produce micro deformation when the transmission, can be so that its contact form with ball groove and keyway be face contact, reinforcing spheroidal bearing capacity, improves the transmission ability between integral key shaft and the spline housing.
The utility model discloses a following technical scheme realizes:
a spline without tooth contact comprises a spline shaft, a spline housing and a ball body; the spline shaft is embedded in the spline sleeve; one end of the spline shaft embedded in the spline housing is provided with a plurality of ball groove rings, and the side surface of each ball groove ring with equal angles is provided with a plurality of ball grooves for embedding the ball bodies; a clamping block is arranged in each ball groove; the ball body is clamped and fixed on the spline shaft through the clamping block; key grooves corresponding to the plurality of ball grooves are formed in the inner side of the spline sleeve; the ball body is a flexible ball.
The utility model takes the ball as the transmission medium between the spline shaft and the spline housing, and the ball is a flexible ball, so that the damage to the spline shaft and the spline housing is converted into the damage to the ball, the spline shaft and the spline housing can be effectively prevented from being damaged, and the durability of the spline shaft and the spline housing is improved; and the sphere can produce micro-deformation during transmission, so that the sphere can be in surface contact with the spherical groove and the key groove, the bearing capacity of the sphere is enhanced, and the transmission capacity between the spline shaft and the spline housing is improved.
Preferably, the number of the ball groove rings is two.
Preferably, the ball body is provided with a groove connected with the clamping block.
Preferably, the fixture block comprises a connecting plate, four vertical plates in a right trapezoid shape are arranged on the upper surface of the connecting plate, and the inclined edges of the four vertical plates face upwards and are arranged in a cross shape; the lower surface of the connecting plate is provided with a connecting block connected with the ball groove.
Preferably, the material of the sphere is butyl rubber or isoprene rubber.
Preferably, the spline shaft and the fixture block are integrally formed.
Preferably, the fixture block is fixed on the spline shaft through threads.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the utility model discloses a spline of non-tooth contact, simple structure, convenient to use, regard the spheroid as the transmission medium between integral key shaft and the spline housing, and the spheroid is flexible ball, will change the damage to integral key shaft and spline housing into the destruction to the spheroid, can effectively avoid integral key shaft and spline housing to be impaired, improve the durability of integral key shaft and spline housing; and the spheroid can produce micro deformation when the transmission, can be so that its contact form with ball groove and keyway be face contact, reinforcing spheroidal bearing capacity, improves the transmission ability between integral key shaft and the spline housing.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the spline shaft and the ball of the present invention;
FIG. 3 is a schematic structural view of the spline shaft of the present invention;
fig. 4 is a schematic structural diagram of the sphere of the present invention;
fig. 5 is the structural schematic diagram of the spline housing of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following description of the preferred embodiments of the present invention is given with reference to the accompanying examples, but it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Example 1:
as shown in fig. 1 to 5, a spline without tooth contact includes a spline shaft 1, a spline housing 2, and a ball 3; the spline shaft 1 is embedded in the spline housing 2; one end of the spline shaft 1 embedded in the spline housing 2 is provided with a plurality of ball groove rings 11, and the side surface of each ball groove ring 11 is annularly provided with a plurality of ball grooves 12 for embedding the ball bodies 3 at equal angles; a clamping block 13 is arranged in each ball groove 12; the ball body 3 is clamped and fixed on the spline shaft 1 through the clamping block 13; key grooves 21 corresponding to the plurality of ball grooves are formed in the inner side of the spline housing 2; the ball body 3 is a flexible ball.
The utility model discloses regard as the spheroid 3 as the transmission medium between integral key shaft 1 and spline housing 2, and spheroid 3 is flexible ball, will change the damage to integral key shaft 1 and spline housing 2 into the destruction to spheroid 3, can effectively avoid integral key shaft 1 and spline housing 2 to damage, improve the durability of integral key shaft 1 and spline housing 2; and the sphere 3 can generate micro deformation during transmission, so that the contact form between the sphere 3 and the spherical groove 12 and the key groove 21 is surface contact, the bearing capacity of the sphere 3 is enhanced, and the transmission capacity between the spline shaft 1 and the spline housing 2 is improved.
Further, in another embodiment, the number of the ball groove rings 11 is two.
The two ball groove rings 11 can better limit the spline shaft 1 in the spline housing 2, so that the spline shaft does not shake and a better transmission effect is ensured; and the two ball groove rings 11 are arranged on the spline shaft 1 corresponding to the upper end and the lower end of the spline housing 2, so that a better limiting effect is achieved.
Further, in another embodiment, the ball 3 is provided with a groove 31 connected with the latch 13.
The ball 3 can be better fixed to the latch 13 through the groove 31; through recess 31, for the connection of fixture block 13 reserves the space, reduces the installation the difficulty of fixture block 13, improves fixture block 13 with the connection effect of spheroid 3 makes the better installation of spheroid 3 on integral key shaft 1.
Further, in another embodiment, the latch 13 includes a connecting plate 131, four vertical plates 132 in a right trapezoid shape are disposed on an upper surface of the connecting plate 131, and oblique sides of the four vertical plates 132 face upward and are arranged in a cross shape; the lower surface of the connecting plate 131 is provided with a connecting block 133 connected with the ball groove 12.
The four vertical plates 132 are arranged to facilitate the ball 3 to be sleeved on the fixture block 13; the inclined plane of the vertical plate 132 faces upwards, when the ball 3 is installed, the inclined plane of the vertical plate 132 will gradually expand the opening of the groove 31 on the ball 3 along with the downward pressing of the ball 3 until the opening passes through the inclined plane, and the inclined plane of the vertical plate 132 plays a transitional role in the installation of the ball 3; the ball 3 is pressed down until the opening of the groove 31 passes through the connecting plate 131, the opening of the groove 31 is contracted until the opening is jointed with the connecting block 133 with the diameter smaller than that of the connecting plate 131, and the ball 3 is better fixed on the fixture block 13 through the connecting plate 131.
Further, in another embodiment, the material of the ball 3 is butyl rubber or isoprene rubber.
Butyl rubber, which has good chemical and thermal stability, most notably air and water tightness.
The isoprene rubber has good elasticity, cold resistance and high tensile strength.
The butyl rubber and the isoprene rubber have good structural strength, and can better protect the spline and prevent the spline from being damaged.
Further, in another embodiment, the spline shaft 1 and the latch 13 are integrally formed.
By adopting an additive manufacturing technology, the spline shaft 1 and the fixture block 13 are integrally formed, so that the structural strength is high, the structural strength between the spline shaft 1 and the fixture block 13 is ensured to be larger than the maximum load borne by the ball body 3, and the durability is enhanced.
Example 2:
as shown in fig. 1 to 5, a spline without tooth contact includes a spline shaft 1, a spline housing 2, and a ball 3; the spline shaft 1 is embedded in the spline housing 2; one end of the spline shaft 1 embedded in the spline housing 2 is provided with a plurality of ball groove rings 11, and the side surface of each ball groove ring 11 is annularly provided with a plurality of ball grooves 12 for embedding the ball bodies 3 at equal angles; a clamping block 13 is arranged in each ball groove 12; the ball body 3 is clamped and fixed on the spline shaft 1 through the clamping block 12; key grooves 21 corresponding to the plurality of ball grooves are formed in the inner side of the spline housing 2; the ball body 3 is a flexible ball.
The utility model discloses regard as the spheroid 3 as the transmission medium between integral key shaft 1 and spline housing 2, and spheroid 3 is flexible ball, will change the damage to integral key shaft 1 and spline housing 2 into the destruction to spheroid 3, can effectively avoid integral key shaft 1 and spline housing 2 to damage, improve the durability of integral key shaft 1 and spline housing 2; and the sphere 3 can generate micro deformation during transmission, so that the contact form between the sphere 3 and the spherical groove 12 and the key groove 21 is surface contact, the bearing capacity of the sphere 3 is enhanced, and the transmission capacity between the spline shaft 1 and the spline housing 2 is improved.
Further, in another embodiment, the number of the ball groove rings 11 is two.
The two ball groove rings 11 can better limit the spline shaft 1 in the spline housing 2, so that the spline shaft does not shake and a better transmission effect is ensured; and the two ball groove rings 11 are arranged on the spline shaft 1 corresponding to the upper end and the lower end of the spline housing 2, so that a better limiting effect is achieved.
Further, in another embodiment, the ball 3 is provided with a groove 31 connected with the latch 13.
The ball 3 can be better fixed to the latch 13 through the groove 31; through recess 31, for the connection of fixture block 13 reserves the space, reduces the installation the difficulty of fixture block 13, improves fixture block 13 with the connection effect of spheroid 3 makes the better installation of spheroid 3 on integral key shaft 1.
Further, in another embodiment, the latch 13 includes a connecting plate 131, four vertical plates 132 in a right trapezoid shape are disposed on an upper surface of the connecting plate 131, and oblique sides of the four vertical plates 132 face upward and are arranged in a cross shape; the lower surface of the connecting plate 131 is provided with a connecting block 133 connected with the ball groove 12.
The four vertical plates 132 are arranged to facilitate the ball 3 to be sleeved on the fixture block 13; the inclined plane of the vertical plate 132 faces upwards, when the ball 3 is installed, the inclined plane of the vertical plate 132 will gradually expand the opening of the groove 31 on the ball 3 along with the downward pressing of the ball 3 until the opening passes through the inclined plane, and the inclined plane of the vertical plate 132 plays a transitional role in the installation of the ball 3; the ball 3 is pressed down until the opening of the groove 31 passes through the connecting plate 131, the opening of the groove 31 is contracted until the opening is jointed with the connecting block 133 with the diameter smaller than that of the connecting plate 131, and the ball 3 is better fixed on the fixture block 13 through the connecting plate 131.
Further, in another embodiment, the material of the ball 3 is butyl rubber or isoprene rubber.
Butyl rubber, which has good chemical and thermal stability, most notably air and water tightness.
The isoprene rubber has good elasticity, cold resistance and high tensile strength.
The butyl rubber and the isoprene rubber have good structural strength, and can better protect the spline and prevent the spline from being damaged.
Further, in another embodiment, the latch 13 is fixed to the spline shaft 1 by a screw.
Will through the screw the fixture block 13 with integral key shaft 1 is connected, and joint strength is high, can not drop, and adopts detachable setting fixture block 13 is destroyed the back, changes it reduce cost.
According to the description and drawings of the present invention, the non-tooth-contact spline of the present invention can be easily manufactured or used by those skilled in the art, and the positive effects described in the present invention can be produced.
Unless otherwise specified, in the present invention, if the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (7)
1. A non-tooth contacting spline, comprising: comprises a spline shaft (1), a spline sleeve (2) and a ball body (3); the spline shaft (1) is embedded in the spline sleeve (2); one end of the spline shaft (1) embedded in the spline housing (2) is provided with a plurality of ball groove rings (11), and the side surface of each ball groove ring (11) is annularly provided with a plurality of ball grooves (12) for embedding the balls (3) at equal angles; a clamping block (13) is arranged in each ball groove (12); the ball body (3) is clamped and fixed on the spline shaft (1) through the clamping block (13); key grooves (21) corresponding to the plurality of ball grooves are formed in the inner side of the spline sleeve (2); the ball body (3) is a flexible ball.
2. A non-tooth contacting spline according to claim 1, wherein: the number of the ball groove rings (11) is two.
3. A non-tooth contacting spline according to claim 1, wherein: the ball body (3) is provided with a groove (31) connected with the clamping block (13).
4. A non-tooth contacting spline according to claim 3, wherein: the fixture block (13) comprises a connecting plate (131), four vertical plates (132) in a right trapezoid shape are arranged on the upper surface of the connecting plate (131), and the inclined edges of the four vertical plates (132) face upwards and are arranged in a cross shape; the lower surface of the connecting plate (131) is provided with a connecting block (133) connected with the ball groove (12).
5. A non-tooth contacting spline according to claim 1, wherein: the ball body (3) is made of butyl rubber or isoprene rubber.
6. A non-tooth contacting spline according to claim 1, wherein: the spline shaft (1) and the fixture block (13) are integrally formed.
7. A non-tooth contacting spline according to claim 1, wherein: the clamping block (13) is fixed on the spline shaft (1) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022965953.5U CN214534137U (en) | 2020-12-10 | 2020-12-10 | Spline with non-tooth contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022965953.5U CN214534137U (en) | 2020-12-10 | 2020-12-10 | Spline with non-tooth contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214534137U true CN214534137U (en) | 2021-10-29 |
Family
ID=78291527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022965953.5U Active CN214534137U (en) | 2020-12-10 | 2020-12-10 | Spline with non-tooth contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214534137U (en) |
-
2020
- 2020-12-10 CN CN202022965953.5U patent/CN214534137U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101300120B (en) | Multi-screw extruder | |
| CN209959185U (en) | Eccentric wear prevention telescopic sucker rod guider | |
| CN214534137U (en) | Spline with non-tooth contact | |
| EP1770298A1 (en) | Fixed type constant velocity universal joint | |
| CN214578437U (en) | Non-tooth contact coupling | |
| WO2021134846A1 (en) | Electric motor having embedded reduction device | |
| CN214534280U (en) | Non-tooth contact internal gear set | |
| CN214578619U (en) | Non-tooth contact bevel gear set | |
| CN214534286U (en) | Non-tooth contact worm gear | |
| CN214534279U (en) | Straight gear set with non-tooth contact | |
| CN2846879Y (en) | Drum shape roller universal coupling | |
| CN202659772U (en) | One-way clutch unit of automobile generator pulley | |
| CN201087694Y (en) | Safe and reliable long-life screw drill | |
| CN209727255U (en) | A kind of steamer torsional vibration monitoring device | |
| CN201159249Y (en) | Spherical tooth type universal coupling | |
| CN101970175B (en) | Coupling | |
| CN212825092U (en) | Self-locking device of manual turnover mechanism for turnover tool in fuel cell production | |
| CN1789758A (en) | Hemispherical gear transmission mechanism | |
| CN201810780U (en) | Improved structure of mechanical shaft seal | |
| CN220487859U (en) | Universal unit connection structure | |
| CN109779554A (en) | A kind of screw rod power device for Sand pump | |
| CN220839937U (en) | Clutch structure and electric wrench thereof | |
| CN111706620B (en) | Keyless connection locking ring suitable for polygonal shaft | |
| CN212509254U (en) | Elastic coupling with sealing function | |
| CN219510043U (en) | Torque limiting coupler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |