CN215762896U - Coupling and oil pump system - Google Patents
Coupling and oil pump system Download PDFInfo
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- CN215762896U CN215762896U CN202023137120.6U CN202023137120U CN215762896U CN 215762896 U CN215762896 U CN 215762896U CN 202023137120 U CN202023137120 U CN 202023137120U CN 215762896 U CN215762896 U CN 215762896U
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- damping
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Abstract
The utility model discloses a coupling and an oil pump system, which comprise a half coupling I, a half coupling II and a damping body, wherein the half coupling I and the half coupling II form transmission fit through the damping body, and the damping body has the function of buffering the torque between the half coupling I and the half coupling II, so that the vibration of an oil pump can be reduced, the service life of parts is prolonged, and the reliable work of the parts is ensured.
Description
Technical Field
The utility model relates to the field of locomotive parts, in particular to a coupler and an oil pump system.
Background
The oil pump is a core component in a lubricating system, the oil pump continuously conveys lubricating oil to each component of an engine, the components are lubricated, and meanwhile, the cooling and cleaning effects can be achieved.
Therefore, in order to solve the above problems, a coupling and an oil pump system are needed, which can reduce the vibration of the oil pump, improve the service life of parts, and ensure the reliable operation thereof.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention is directed to overcome the defects in the prior art, and provides a coupling and an oil pump system, which can reduce the vibration of an oil pump, improve the service life of parts, and ensure reliable operation of the parts.
The coupling and the oil pump system comprise a half coupling I, a half coupling II and a shock absorber, wherein the half coupling I and the half coupling II form transmission fit through the shock absorber. The coupling is connected between the driving shaft of the oil pump and the pump shaft of the oil pump, the vibration of the oil pump is reduced through the arranged damping body, the service life of parts is prolonged, and the reliable work of the parts is guaranteed.
Further, half-coupling I is equipped with driving claw I, and half-coupling II is equipped with driving claw II, forms the transmission cooperation through the shock absorber between driving claw I and the driving claw II. The driving claw I and the driving claw II are jointed through the damping body, so that the force transmission effect is further improved on the damping basis, and the starting resistance of the engine can be effectively reduced.
Furthermore, the half-coupling II is provided with an axial inner hole, the transmission claw II is directly formed on the inner side wall of the axial inner hole, and the transmission claw I extends into the axial inner hole along the axial direction and is in transmission fit with the transmission claw II through the shock absorption body. The connection in the axial inner hole can play a role in protecting the transmission claw I, the transmission claw II and the shock absorber; the shock absorber is located inside the axial inner hole, has a better installation and positioning effect, and simultaneously limits the shock absorption part to be excessively compressed to avoid failure.
Further, the shock attenuation body includes the base member and is fixed in the shock attenuation portion of base member, the shock attenuation portion is located between driving claw I and driving claw II on the circumferencial direction. Hard contact during can avoid transmission between driving pawl I and the driving pawl II for the transmission of power possesses certain ageing, avoids passing the life that power caused in the twinkling of an eye and reduces, or the fracture that causes when serious.
Further, driving claw I and driving claw II are two at least respectively, the quantity of shock attenuation portion sets up and corresponds in the circumferencial direction according to the quantity of driving claw I and driving claw II and sets up between driving claw I and driving claw II. The effective transmission of torque between the half coupling I and the half coupling II is guaranteed, and vibration during transmission is reduced.
Further, the axial hole of half-coupling II is the coaxial back shaft that is equipped with in, the base member has a centre bore, just the base member passes through the centre bore cover is located the back shaft, the shock attenuation portion is fixed in the base member is along radially outwards extending and lie in between driving pawl I and the driving pawl II.
Furthermore, the contour lines of the radial inner side surface of the transmission claw I and the radial inner side surface of the transmission claw II in the circumferential direction are smooth transition surfaces which are convex inwards in the radial direction, and the contour lines of the damping part in the circumferential direction are smooth transition lines which are approximately circular. Because the cambered surfaces are inwards convex in the radial direction, two transmission side surfaces which are contacted with the side surfaces of the corresponding damping parts in the circumferential direction are respectively formed on the radial inner side surfaces of the transmission claws I and the transmission claws II in the circumferential direction, line contact transmission is formed, compression is gradually formed, and a better damping effect is achieved.
Further, the shock absorbing part is drum-shaped in the axial direction, and the middle of the shock absorbing part is gradually thinned towards two ends of the shock absorbing part. The transmission contact is gradually compressed from the line contact to form surface contact, has set elastic compression performance, and ensures the damping effect.
Further, the base body and the damping part are made of damping rubber and are integrally formed on the base body; the radial outer side face of the transmission claw I is an inward concave face, and the inward concave face is approximately parallel to the radial inner side face of the transmission claw I. Overall structure neatly draws one, alleviates transmission weight, and reduces the external dimension of driving pawl I, and easy to assemble gets into the axial hole at driving pawl II place.
An oil pump system comprises a driving shaft, an oil pump and a coupling, wherein the coupling is connected between the driving shaft and a pump shaft of the oil pump. The half coupling II is in transmission connection with the pump shaft, the half coupling I is in transmission connection with the driving shaft, and the driving shaft is driven by power equipment, such as the power of an engine or a single distribution machine and the like, and the description is omitted.
The utility model has the beneficial effects that: the coupling and the oil pump system disclosed by the utility model can reduce the starting resistance of an engine, reduce the abrasion of parts of the oil pump, reduce the maintenance cost, reduce the vibration of the oil pump, prolong the service life of the parts and ensure the reliable work of the parts.
Drawings
The utility model is further described below with reference to the following figures and examples:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the coupling part I of the utility model after being connected with a driving shaft of an oil pump.
Detailed Description
Fig. 1 is a schematic structural diagram of the present invention, and fig. 2 is a schematic structural diagram of a half coupling i of the present invention after being connected to a drive shaft of an oil pump, as shown in the figure, the coupling and oil pump system in the present embodiment includes a half coupling i 1, a half coupling ii 2, and a damper 3, and the half coupling i 1 and the half coupling ii 2 form a transmission fit through the damper 3. The coupling is connected between the driving shaft of the oil pump and the pump shaft of the oil pump, the vibration of the oil pump is reduced through the arranged damping body, the service life of parts is prolonged, and the reliable work of the parts is guaranteed. The shaft coupling is connected between a driving shaft 4 of the oil pump and a pump shaft 5 of the oil pump, the vibration of the oil pump is reduced through the arranged damping body 3, the service life of parts is prolonged, the reliable work of the parts is ensured, compared with the prior art that the damping body 3 is directly rigidly connected by the flat square 6, the damping body 3 in the scheme has the deformation capacity and the recovery capacity, the damping body 3 can be elastic components such as damping rubber, a torsional spring and the like, so that the driving shaft 4 of the oil pump and the pump shaft 5 of the oil pump have certain buffering effect when being driven, the starting resistance of an engine is reduced, the abrasion of parts of the oil pump is reduced, and the maintenance cost is reduced, the damping body 3 is made of damping rubber, the noise during transmission can be reduced, and its light in weight, deformation and recovery effect are strong, and the shock attenuation effect is excellent, and long service life can not appear the condition that the component damaged the inefficacy, only need in the service life regularly change can.
In this embodiment, I1 of half-coupling is equipped with driving claw I11, and II 2 of half-coupling are equipped with driving claw II 21, form the transmission cooperation through the shock absorber between driving claw I11 and the driving claw II 21. The driving claw I11 and the driving claw II 21 are connected through the damping body, so that the force transmission effect is further improved on the basis of damping, and the starting resistance of the engine can be effectively reduced; the damping body 3 can be connected with the driving claw I11 and the driving claw II 21 in a wrapping mode, and can also be connected between the driving claw I11 and the driving claw II 21; so that driving pawl I11 and driving pawl II 21 pass through damper 3 transmission along radial direction's power, improve the transmission cooperation of half-coupling I1 and half-coupling II 2 and damper 3, improve the biography power effect in the shaft coupling inside for moment passes through the pump shaft 5 of flexible coupling transmission to oil pump through rigid connection again earlier, reduces the oil pump vibration, guarantees its reliable work.
In this embodiment, II 2 of half-coupling have an axial hole, driving pawl II 21 direct forming in the inside wall of axial hole, driving pawl I11 stretches into along the axial hole and pass through damper transmission cooperation with driving pawl II 21. The connection in the axial inner hole can play a role in protecting the transmission claw I11, the transmission claw II 21 and the shock absorber, the service life of the coupler is effectively prolonged, the transmission effect of torque when the transmission claw I11 and the transmission claw II 21 rotate along the radial direction of the coupler can be effectively improved, and the situations that the transmission force between the transmission claw I11 and the transmission claw II 21 is unstable or the shock absorber 3 fails and the like under the action of centrifugal force generated by the transmission claw I11 and the transmission claw II 21 when the coupler rotates are prevented; the damping body is positioned in the axial inner hole, so that a good mounting and positioning effect is achieved, meanwhile, the damping part is limited from being excessively compressed, and failure is avoided; drive pawl I11 is formed by I1 integrated into one piece of half-coupling, and extends along the axial, as shown in the figure, I1 integrated into one piece of half-coupling still forms claw seat 8, drive pawl I11 shaping in claw seat 8, claw seat 8 is according to its mounted position decision and the relation of connection of the drive shaft 4 of oil pump, claw seat 8 is the hexagon along shaft coupling axial direction's projection, the moment of torsion through the transmission of 8 transmission power equipment of claw seat in this scheme, claw seat 8 can also directly play the effect of drive oil pump with oil pump rigid connection.
In this embodiment, the damping body includes a base body and a damping portion 31 fixed to the base body, and the damping portion 31 is located between the driving claw i 11 and the driving claw ii 21 in the circumferential direction. The circumferencial direction be the radial direction of shaft coupling promptly, the main transmission is along the radial direction's of shaft coupling power when the shaft coupling uses, damper 3 can play the effect of buffering moment through the shock attenuation portion 31 that sets up, increase simultaneously and drive claw I11 and the effective power area of biography of drive claw II 21, improve and pass power effect.
In this embodiment, driving claw I11 and driving claw II 21 are two at least respectively, the quantity setting of shock attenuation portion is according to the quantity setting of driving claw I11 and driving claw II 21 and corresponds in the circumferencial direction and sets up between driving claw I11 and driving claw II 21. As shown in the figure, the number of the transmission claws I11 is two, and the two transmission claws I11 are formed on the claw seat 8 along the vertical direction of the coupler on the projection of the axial direction of the coupler; the number of the transmission claws II 21 is two, and the two transmission claws II 21 are formed on the inner side wall of the axial inner hole along the horizontal direction of the coupler on the projection of the axial direction of the coupler; the vertical and horizontal directions only show that the included angle between the connecting line of the two transmission claws I and the connecting line of the two transmission claws II 21 is vertical on the projection of the axial direction of the coupler, and the setting angle can be adjusted at any time according to the setting number of different transmission claws I11 and transmission claws II 21, and the description is omitted; the shock attenuation portion is four, and establishes between adjacent driving claw I11 and driving claw II 21 along circumference branch.
In this embodiment, a supporting shaft 23 is coaxially arranged in an axial inner hole 22 of the coupling part ii 2, the base body has a central hole 32, the base body is sleeved on the supporting shaft 23 through the central hole, and the damping part is fixed on the base body, extends outwards in the radial direction, and is located between the driving claw i 11 and the driving claw ii 21. The projections of the central hole 32 and the support shaft 23 along the axial direction of the coupler are circular, the central hole 32 and the support shaft 23 are approximately arranged at the central position of the axial direction of the coupler, the approximate central position can have installation and manufacturing errors, the circular central hole 32 and the support shaft 23 arranged at the central position can reduce the influence of centrifugal force on other components in the coupler when being subjected to the action of centrifugal force, the connecting effect of the shock absorber 3 can be improved, the using effect of the shock absorber 3 is ensured, the buffering effect of the force is improved, and the support shaft 23 is provided with a groove 231 for reducing weight along the axial direction of the coupler.
In this embodiment, the contour lines of the radial inner side surface of the transmission claw i 11 and the radial inner side surface of the transmission claw ii 21 in the circumferential direction are smooth transition surfaces which are convex inward in the radial direction, the contour lines of the damping portion in the circumferential direction are smooth transition lines which are approximately circular, and the meaning of extending the approximately circular shape means that errors such as manufacturing and abrasion are allowed to exist on the basis of the circular shape, and details are not repeated here. Because the transmission claw I11 and the transmission claw II 21 are cambered surfaces which are inwards convex in the radial direction, two transmission side surfaces which are contacted with the side surfaces of the corresponding damping parts in the circumferential direction are respectively formed on the radial inner side surfaces in the circumferential direction, line contact transmission is formed, compression is gradually formed when the transmission claw I and the transmission claw II are stressed, and the transmission claw I and the transmission claw II have better damping and force transmission effects.
In this embodiment, the damper portion is formed in a drum shape that is tapered toward both ends in the axial direction. The transmission contact gradually compresses from the line contact and forms the face contact, has the elasticity compressibility of setting for, guarantees the shock attenuation and passes power effect, reduces the wearing and tearing of oil pump spare part, reduces the maintenance cost, still possesses the effect of lasting biography power when supporting tight connection, can effectively guarantee the stability and the continuation of biography power when moment transmission.
In this embodiment, the base body and the damping portion are made of damping rubber and the damping portion is integrally formed on the base body; the advantage of integrated into one piece lies in that it passes the power effect evenly, reduces to take place the fracture in the junction, the condition that stress concentration became invalid, the radial lateral surface of driving pawl I11 is interior concave surface 111, interior concave surface is approximately parallel with the radial medial surface of driving pawl I11, the extension meaning of approximate parallel is, allows to have errors such as manufacturing, installation on parallel basis, no longer gives details here. Make overall structure neatly draw one, alleviate transmission weight, and reduce the external dimension of driving pawl I11, the easy to assemble gets into the axial hole at driving pawl II 21 place, and play the effect of oil pump lightweight.
The utility model also discloses an oil pump system which comprises a driving shaft 4, an oil pump and the coupler, wherein the coupler is connected between the driving shaft and a pump shaft 5 of the oil pump. The pump shaft 5 of oil pump passes through flat side 6 and connects on flat side joint 7, flat side joint 7 fixed connection half-coupling II 2, and half-coupling II 2 is connected with the pump shaft transmission, and half-coupling I1 is connected with drive shaft transmission, and the drive shaft is driven by power equipment, for example engine self power or single distributor etc. no longer give details here, the drive shaft 4 of oil pump, the pump shaft 5 of oil pump, flat side 6 and flat side joint 7 are prior art, and no longer give details here, and the shaft coupling in this scheme can be reduced engine starting resistance to the oil pump system adoption, reduces the wearing and tearing of oil pump spare part, reduces the maintenance cost, reduces the oil pump vibration, improves the spare part life-span, guarantees its reliable operation.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (9)
1. A coupling, characterized by: the damping device comprises a half coupling I, a half coupling II and a damping body, wherein the half coupling I and the half coupling II form transmission fit through the damping body; the transmission claw I is arranged on the half coupling I, the transmission claw II is arranged on the half coupling II, and the transmission claw I and the transmission claw II form transmission fit through a shock absorber; the radial outer side face of the transmission claw I is an inward concave face, and the inward concave face is approximately parallel to the radial inner side face of the transmission claw I.
2. The coupling of claim 1, wherein: the half-coupling II is provided with an axial inner hole, the transmission claw II is directly formed on the inner side wall of the axial inner hole, and the transmission claw I extends into the axial inner hole along the axial direction and is in transmission fit with the transmission claw II through the shock absorption body.
3. The coupling of claim 2, wherein: the shock attenuation body includes the base member and is fixed in the shock attenuation portion of base member, the shock attenuation portion is located between driving claw I and driving claw II on the circumferencial direction.
4. The coupling of claim 3, wherein: driving claw I and driving claw II are two at least respectively, the quantity of shock attenuation portion sets up according to the quantity of driving claw I and driving claw II to correspond in the circumferencial direction and set up between driving claw I and driving claw II.
5. The coupling of claim 3, wherein: the axial hole of half-coupling II is the coaxial back shaft that is equipped with in, the base member has a centre bore, just the base member passes through centre bore cover is located the back shaft, shock attenuation portion is fixed in the base member is along radially outwards extending and being located between driving pawl I and the driving pawl II.
6. The coupling of claim 3, wherein: the contour lines of the radial inner side face of the transmission claw I and the radial inner side face of the transmission claw II in the circumferential direction are smooth transition faces protruding inwards in the radial direction, and the contour line of the damping portion in the circumferential direction is an approximately circular smooth transition line.
7. The coupling of claim 5, wherein: the damping part is in a drum shape, the middle of the damping part is gradually thinned towards two ends of the damping part in the axial direction.
8. The coupling of claim 7, wherein: the base body and the damping portion are made of damping rubber, and the damping portion is integrally formed on the base body.
9. An oil pump system characterized by: comprising a drive shaft, an oil pump and a coupling according to any of claims 1-8, which coupling is connected between the drive shaft and the pump shaft of the oil pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023137120.6U CN215762896U (en) | 2020-12-23 | 2020-12-23 | Coupling and oil pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023137120.6U CN215762896U (en) | 2020-12-23 | 2020-12-23 | Coupling and oil pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215762896U true CN215762896U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023137120.6U Active CN215762896U (en) | 2020-12-23 | 2020-12-23 | Coupling and oil pump system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215762896U (en) |
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2020
- 2020-12-23 CN CN202023137120.6U patent/CN215762896U/en active Active
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