CN214837948U - Automatic centering shaft coupling and wheel hub - Google Patents
Automatic centering shaft coupling and wheel hub Download PDFInfo
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- CN214837948U CN214837948U CN202023093718.XU CN202023093718U CN214837948U CN 214837948 U CN214837948 U CN 214837948U CN 202023093718 U CN202023093718 U CN 202023093718U CN 214837948 U CN214837948 U CN 214837948U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 7
- 230000009471 action Effects 0.000 claims abstract description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 13
- 230000004048 modification Effects 0.000 description 2
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- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
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Abstract
The application discloses automatic centering shaft coupling and wheel hub. The self-centering coupling comprises: the wheel hub comprises a first connecting structure, and pin holes are formed in the first connecting structure; the transmission part comprises a second connecting structure, and a pin hole is formed in the second connecting structure; at least two pin holes are conical holes; when the wheel hub is assembled with the transmission piece, the pin holes used in a matching mode in the first connecting structure and the second connecting structure are configured to be penetrated by the positioning pins, so that the positioning pins are under the action of the inner walls of the pin holes in the process of entering the pin holes, and the central axes of the wheel hub and the transmission piece are guided to be overlapped. The automatic centering shaft coupling of this application because the pinhole is the bell mouth when the locating pin penetrates the pinhole, consequently, can be for the guide along with conical shape at the in-process that penetrates to wheel hub and driving medium at the in-process automatic centering of assembly have been realized.
Description
Technical Field
The application relates to the technical field of automatic centering couplers, in particular to an automatic centering coupler and a hub.
Background
Self-centering couplings typically include a hub and a transmission member, sometimes the other hub.
When the connection is made, the hub is connected to the transmission member, in which case the connection is made by a first connection on the hub and a second connection on the transmission member.
In the connection process, because the hub and the transmission member are very heavy, in many cases, the situation that the central axes of the hub and the transmission member are not aligned with each other occurs in the connection process.
Accordingly, it would be desirable to have a solution that overcomes or at least alleviates at least one of the above-mentioned difficulties of the prior art.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to provide an automatic centering coupling that overcomes or at least alleviates at least one of the above-mentioned deficiencies of the prior art.
The utility model discloses an aspect provides an automatic centering shaft coupling, automatic centering shaft coupling includes:
the wheel hub comprises a first connecting structure, and pin holes are formed in the first connecting structure;
the transmission piece comprises a second connecting structure, and a pin hole is formed in the second connecting structure; wherein,
at least two pin holes in the pin holes are conical holes;
if the tapered hole is positioned on the first connecting structure, the tapered hole positioned on the first connecting structure is matched with pin holes positioned on the second connecting structure except the tapered hole for use;
if the tapered hole is positioned on the second connecting structure, the tapered hole positioned on the second connecting structure is matched with the pin hole positioned on the first connecting structure except the tapered hole for use;
when the wheel hub is assembled with the transmission piece, the pin holes used in a matching mode in the first connecting structure and the second connecting structure are configured to be penetrated by the positioning pins, so that the positioning pins are under the action of the inner walls of the pin holes in the process of entering the pin holes, and the central axes of the wheel hub and the transmission piece are guided to be overlapped.
Optionally, the first connecting structure is an annular protrusion, and the annular protrusion is disposed around the circumferential direction of the hub.
Optionally, the first connecting structure is provided with at least two grooves recessed from the outer wall of the first connecting structure to the inner wall, and the grooves are uniformly distributed in the circumferential direction of the first connecting structure.
Optionally, the hub includes an outer sleeve and an inner sleeve, and an oil storage cavity is arranged between the outer sleeve and the inner sleeve;
the last inlet port and the oil outlet of further being provided with of wheel hub, the inlet port with the oil outlet respectively with the oil storage chamber intercommunication.
Optionally, an end of the outer sleeve away from the first connecting structure and/or a middle part of the outer sleeve is provided with an outer circular protrusion.
Optionally, one or more of the cylindrical protrusions are annular cylindrical protrusions.
Optionally, one or more of the outer protrusions are protrusions arranged from the positions where the outer protrusions are arranged to the circumferential direction away from the center of the hub, and the protrusions are cylindrical protrusions.
Optionally, one or more of the cylindrical protrusions are cylindrical protrusions.
Optionally, a radial hoisting hole is formed in the automatic centering coupler hub, and a central axis of the radial hoisting hole passes through the center of gravity of the hub.
The present application further provides a hub, the hub as described above.
Advantageous effects
The automatic centering shaft coupling of this application because the pinhole is the bell mouth when the locating pin penetrates the pinhole, consequently, can be for the guide along with conical shape at the in-process that penetrates to wheel hub and driving medium at the in-process automatic centering of assembly have been realized.
Drawings
Fig. 1 is a schematic structural view of an automatic centering coupling according to a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a wheel hub in an automatic centering coupling according to a second embodiment of the present invention.
Fig. 3 is another schematic structural diagram of a wheel hub in an automatic centering coupling according to a third embodiment of the present invention.
Fig. 4 is another schematic structural diagram of a wheel hub in an automatic centering coupling according to a fourth embodiment of the present invention.
Fig. 5 is another schematic structural diagram of a wheel hub in an automatic centering coupling according to a fifth embodiment of the present invention.
Fig. 6 is another schematic structural diagram of a wheel hub in an automatic centering coupling according to a sixth embodiment of the present invention.
Fig. 7 is another schematic structural diagram of a wheel hub in a self-centering coupling according to a seventh embodiment of the present invention.
Fig. 8 is a schematic structural view of a wheel hub in an automatic centering coupling according to an eighth embodiment of the present invention.
Fig. 9 is a schematic structural view of a wheel hub in an automatic centering coupling according to a ninth embodiment of the present invention.
Fig. 10 is a schematic structural view of a hub in an automatic centering coupling according to a tenth embodiment of the present invention.
Fig. 11 is a schematic structural diagram of a wheel hub in an automatic centering coupling according to an eleventh embodiment of the present invention.
Fig. 12 is a schematic structural view of a hub in an automatic centering coupling according to a twelfth embodiment of the present invention.
Reference numerals:
1. a hub; 2. a jacket; 3. a first connecting structure; 4. an outer wall groove; 5. an oil inlet hole;
6. an inner sleeve; 7. an oil storage chamber; 8. a tapered hole; 9. radial hoisting holes; 10. the excircle is convex; 11. an oil outlet.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are a subset of the embodiments in the present application and not all embodiments in the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner and are not to be considered limiting of the scope of the present application.
Fig. 1 is a schematic structural view of an automatic centering coupling according to a first embodiment of the present invention. Fig. 2 is a schematic structural diagram of a wheel hub in an automatic centering coupling according to a second embodiment of the present invention. Fig. 3 is another schematic structural diagram of a wheel hub in an automatic centering coupling according to a third embodiment of the present invention. Fig. 4 is another schematic structural diagram of a wheel hub in an automatic centering coupling according to a fourth embodiment of the present invention. Fig. 5 is another schematic structural diagram of a wheel hub in an automatic centering coupling according to a fifth embodiment of the present invention. Fig. 6 is another schematic structural diagram of a wheel hub in an automatic centering coupling according to a sixth embodiment of the present invention.
Fig. 7 is another schematic structural diagram of a wheel hub in a hydraulic automatic centering coupling according to a seventh embodiment of the present invention. Fig. 8 is a schematic structural view of a wheel hub in an automatic centering coupling according to an eighth embodiment of the present invention. Fig. 9 is a schematic structural view of a wheel hub in an automatic centering coupling according to a ninth embodiment of the present invention. Fig. 10 is a schematic structural view of a hub in an automatic centering coupling according to a tenth embodiment of the present invention.
The automatic centering coupling shown in fig. 1 to 12 comprises a hub 1 and a transmission member, wherein the hub 1 comprises a first connecting structure 3, and a pin hole is formed in the first connecting structure 3; the transmission piece comprises a second connecting structure, and a pin hole is formed in the second connecting structure; wherein,
at least two pin holes are conical holes;
if the tapered hole is positioned on the first connecting structure, the tapered hole positioned on the first connecting structure is matched with the pin hole positioned on the second connecting structure except the tapered hole for use;
if the tapered hole is positioned on the second connecting structure, the tapered hole positioned on the second connecting structure is matched with the pin hole positioned on the first connecting structure except the tapered hole for use;
when the automatic centering shaft coupling of this application used, first connection structure is connected with the driving medium, is provided with second connection structure on the driving medium, is provided with bolt hole and pinhole on the second connection structure. The bolt hole on the flange structure is matched with the bolt hole on the first connecting structure and is connected through a bolt.
During the connection process, there is a possibility that the hub and the hub to be connected are not aligned, and at this time, the hub and the transmission member are gradually aligned during the connection process by the positioning pins sequentially passing through the pin holes and the pin holes which are conical, and being guided by the inner walls of the pin holes.
It will be appreciated that the first connection structure may be a flange structure provided with through holes for connection.
It will be appreciated that the first connection structure may be a flange structure provided with teeth forming the hub of a tooth coupling or the hub of a serpentine spring coupling.
Referring to fig. 1, in the present embodiment, the pin holes in the first coupling structure are all provided with tapered holes.
In one embodiment, the pin holes in the second connection structure are all provided with tapered holes.
In this embodiment, some of the pin holes in the first connecting structure are tapered holes, some of the pin holes are cylindrical holes, and some of the pin holes in the second connecting structure are cylindrical holes, and some of the pin holes are tapered holes.
When the positioning pin is used, a conical hole is matched with a cylindrical hole for use, and a positioning pin is inserted into the conical hole.
Referring to fig. 2, in the present embodiment, the first connecting structure 3 is an annular protrusion disposed around the circumferential direction of the hub.
In one embodiment, the first connecting structure 3 is provided with at least two grooves recessed from the outer wall of the first connecting structure to the inner wall, and each groove is uniformly distributed in the circumferential direction of the first connecting structure.
In the embodiment, the hub comprises an outer sleeve 2 and an inner sleeve 6, and an oil storage cavity 7 is arranged between the outer sleeve 2 and the inner sleeve 6;
an oil inlet hole and an oil outlet hole are further formed in the hub 1, and the oil inlet hole and the oil outlet hole are communicated with the oil storage cavity respectively.
In this embodiment, an end of the outer jacket 2 remote from the first connecting structure and/or a middle portion of the outer jacket 2 is provided with an outer circular protrusion 10.
Referring to fig. 2 and 3, an end of the outer sleeve 2 away from the first connecting structure is provided with an outer circular protrusion 10.
Referring to fig. 4 and 5, an outer circular protrusion 10 is provided on the middle portion of the outer jacket 2.
In the present embodiment, one or more of the outer cylindrical protrusions 10 are annular outer cylindrical protrusions.
Referring to fig. 6, in the present embodiment, the one or more outer protrusions 10 are protrusions provided in a circumferential direction away from the center of the hub from the positions where they are provided. One or more of the cylindrical protrusions are cylindrical protrusions.
By adopting the arrangement, the cylinder can be directly welded on the outer sleeve, and the processing is more convenient.
Referring to fig. 2 to 6, in the present embodiment, the oil inlet hole 5 and the oil outlet hole are provided on the outer circumferential projection.
In this application, inlet port 5 and oil outlet can set up on an excircle arch, also can set up on a plurality of excircle archs, can be provided with inlet port 5 and oil outlet on some excircle archs, do not be provided with inlet port 5 and oil outlet on some excircle archs.
Or some excircle bulges are provided with oil inlet holes, and some excircle bulges are provided with oil outlet holes.
In this embodiment, the hub 1 comprises an outer sleeve 2 and an inner sleeve 6, the oil storage chamber is arranged between the outer sleeve and the inner sleeve, and the outer circular protrusion is arranged on the outer sleeve and/or the inner sleeve.
In one embodiment, the outer circular protrusions are all provided on the outer jacket 2, the first connecting structure 3 is provided at one end of the outer jacket 2, and the outer circular protrusion 10 is provided at the other end or in the middle of the outer jacket 2.
In one embodiment, the outer circumferential protrusions 10 are all provided on the inner sleeve 6, the first connection structure is provided at one end of the inner sleeve, at least one outer circumferential protrusion is provided at the other end of the inner sleeve, and the outer sleeve is located at an axial position between the first connection structure and the outer circumferential protrusion at the other end.
In one embodiment, the outer circumferential projection 10 is provided on the outer sleeve 2 as well as on the inner sleeve 6, wherein the first connecting structure 3 is provided on the inner sleeve 6 or on the outer sleeve 2; and among other excircle bulges, the excircle bulges are at least positioned at one or more positions of one end of the inner sleeve far away from the first connecting structure, one end of the outer sleeve far away from the first connecting structure and the middle part of the outer sleeve.
For example, an outer circular protrusion is provided at an end of the inner sleeve remote from the first coupling structure.
An outer circular protrusion is arranged at one end of the outer sleeve far away from the first connecting structure.
An excircle bulge is arranged in the middle of the outer sleeve.
In the present embodiment, one or more of the outer cylindrical protrusions 10 are annular outer cylindrical protrusions.
In one embodiment, the outer protrusions 10 are all annular outer protrusions.
In the present application, the number of the outer protrusions 10 may be set as desired. For example, two, three, four, five, or more are provided in the outer sheath axial direction.
It will be appreciated that in one embodiment, a non-uniform arrangement is also possible.
In the present application, these outer cylindrical projections 10 may be annular, i.e. arranged circumferentially around the jacket.
In the present application, these cylindrical projections 10 can also be of other shapes.
In one embodiment, the one or more outer circumferential projections 10 are projections disposed circumferentially away from the center of the hub from where they are disposed.
Referring to fig. 6, in the embodiment shown in fig. 6, the outer circular protrusion is a cylindrical outer circular protrusion, and with this arrangement, when the outer circular protrusion is machined, the machining is relatively convenient.
Referring to fig. 2 to 6, in the present application, the outer circular protrusion may be provided in plural in the axial direction of the outer sleeve, and may also be provided in plural in the circumferential direction of the outer sleeve.
In this embodiment, the first connecting structure may be arranged right on the end face of one end of the outer sleeve 2, or may be at a distance from the end face of the outer sleeve, for example, 10cm, 5cm, etc.
Referring to fig. 2, 4 and 5, in one embodiment, the oil inlet 5 and the oil outlet are provided on an outer circular protrusion, which may be annular, i.e. arranged circumferentially around the outer sleeve. Two oilholes are symmetrically arranged on the excircle bulge.
In one embodiment, the oil inlet hole 5 and the oil outlet hole are provided on two different outer protrusions, one on each outer protrusion.
Referring to fig. 4, in the present embodiment, the outer wall of the outer sleeve 2 has an outer wall groove 4 at the position where the outer wall is connected to the first outer circular protrusion; the outer wall groove 4 is an annular groove or a plurality of discontinuous grooves arranged along the circumference of the outer wall of the outer sleeve.
In this embodiment, the outer wall groove 4 is recessed in a direction toward the center line of the self-centering coupling.
In this embodiment, the outer wall groove 4 includes a first section and a second section, one end of the first section contacts with the first outer circular protrusion, and the other end of the first section is connected with one end of the second section.
In this embodiment, the first segment is an arc segment extending and bending from one end to the other end; the second section is a straight line section.
With this structure, the torsional stress at the connection of the outer wall of the outer jacket 2 and the first connection structure can be reduced.
In this embodiment, the transmission member is a hub, and in this embodiment, the hub is a hub as described in any one of the above, and it is understood that the hub may be other types of hubs.
Referring to fig. 7, in the present embodiment, a radial hoisting hole 9 is provided on the hub, and the central axis of the radial hoisting hole passes through the center of gravity of the hub.
By adopting the mode, the axle hole of the hub can be ensured to be horizontal during hoisting, and the hub is conveniently aligned with the mounting shaft so as to realize quick mounting.
In addition, for the wheel hub, the alignment is convenient, the clearance between the inner hole of the wheel hub and the mounting shaft can be adjusted to be small, and therefore higher torque can be transmitted under the same pressure.
In this embodiment, the first connecting structure is disposed at one end of the outer sleeve, and may be disposed on the end surface or spaced from the end surface.
In this embodiment, at least one cylindrical protrusion is disposed at the other end of the outer sleeve, and the cylindrical protrusion is referred to as a second cylindrical protrusion.
In this application, also can set up one or more excircle arch simultaneously in the circumference of overcoat, for example, set up a plurality of excircle archs on the axial other end (second excircle arch) of overcoat, each excircle arch is evenly arranged in circumference.
In this embodiment, the number of the outer circular protrusions is at least two, and the outer circular protrusions are uniformly distributed in the circumferential direction of the outer wall.
In this embodiment, at least one outer circumferential projection is provided in the middle of the outer sleeve in the axial direction, which is circumferentially provided around the outer wall of the outer sleeve 2.
In this application, the middle part sets up annular protruding, and when the wheel hub atress of this application, the middle part warp most easily, and it is protruding through the excircle that sets up the middle part, can increase the holding capacity at middle part, prevents to warp.
In the present embodiment, the size of the outer circumferential projection in the axial direction of the outer jacket is 18mm to 50 mm.
In the present embodiment, the size of the outer circumferential projection in the radial direction of the outer sleeve is smaller than the size of the first connecting structure in that direction.
In this embodiment, the first connecting structure is provided with a plurality of grooves arranged in the circumferential direction of the first connecting structure, and each groove is recessed from the outer wall of the first connecting structure to the inner wall; and/or the presence of a gas in the gas,
the outer circle protrusion is provided with a plurality of grooves which are arranged in the circumferential direction of the outer circle protrusion, and each groove is concave from the outer wall of the outer circle protrusion to the inner wall.
The weight of the automatic centering coupling hub can be further reduced by arranging the grooves on the first connecting structure and/or the outer circular protrusion.
Referring to fig. 8 to 10, the outer circular protrusions of the present application may also be arranged in the following manner:
referring to fig. 8, the outer protrusions 10 are all arranged on the outer sleeve 2, and at least one outer protrusion 3 is arranged at the other end of the outer sleeve or at least one outer protrusion is arranged in the middle of the outer sleeve.
In this embodiment, the outer circular protrusions 10 are disposed on the inner sleeve 6, and at least one outer circular protrusion is disposed on the other end of the inner sleeve, and the axial position of the outer sleeve is located between the first connecting structure 3 and the outer circular protrusion on the other end.
Referring to fig. 10, in the present embodiment, the outer circular protrusions 10 are provided on the outer sleeve 2 as well as the inner sleeve 6, wherein the first connecting structure 3 is provided on the inner sleeve 6 or the outer sleeve 2; the excircle bulge is at least positioned at one or more of one end of the inner sleeve far away from the first excircle bulge, one end of the outer sleeve far away from the first connecting structure 3 and the middle part of the outer sleeve.
It is to be understood that fig. 8 to 10 are schematic views, and the oil inlet hole, the oil outlet hole, and other arrangements described above are omitted.
The utility model provides a wheel hub is provided with the excircle arch on wheel hub, sets up inlet port and oil outlet on the excircle arch, satisfies the user demand under the condition that does not increase whole wheel hub wall thickness, has avoided the problem of the equipment lectotype increase that leads to because of equipment aperture problem, has reduced user's use cost.
The present application further provides a hub, the hub as described above.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. An automatic centering coupling, characterized in that said automatic centering coupling comprises:
the wheel hub (1), the wheel hub (1) comprises a first connecting structure (3), and pin holes are formed in the first connecting structure (3);
the transmission piece comprises a second connecting structure, and a pin hole is formed in the second connecting structure; wherein,
at least two pin holes in the pin holes are conical holes;
if the tapered hole is positioned on the first connecting structure, the tapered hole positioned on the first connecting structure is matched with pin holes positioned on the second connecting structure except the tapered hole for use;
if the tapered hole is positioned on the second connecting structure, the tapered hole positioned on the second connecting structure is matched with the pin hole positioned on the first connecting structure except the tapered hole for use;
when the wheel hub (1) is assembled with the transmission piece, the pin holes used in the first connecting structure and the second connecting structure in a matching mode are configured to allow positioning pins to pass through, so that the positioning pins are under the action of the inner walls of the pin holes in the process of entering the pin holes, and the central axis of the wheel hub (1) is guided to coincide with the central axis of the transmission piece.
2. Self-centering coupling according to claim 1, characterized in that the first connection structure (3) is an annular projection arranged around the circumference of the hub.
3. The automatic centering coupling according to claim 2, characterized in that said first connecting structure (3) is provided with at least two grooves recessed from the outer wall toward the inner wall of said first connecting structure, each groove being uniformly distributed in the circumferential direction of said first connecting structure.
4. The self-centering coupling according to claim 2, characterized in that said hub comprises an outer sleeve (2) and an inner sleeve (6), an oil storage chamber (7) being provided between said outer sleeve (2) and said inner sleeve (6);
an oil inlet hole and an oil outlet hole are further formed in the hub (1), and the oil inlet hole is communicated with the oil storage cavity through the oil outlet hole.
5. Automatic centering coupling according to claim 4, characterized in that an end of the outer sleeve (2) remote from the first connecting structure and/or a middle part of the outer sleeve (2) is provided with an outer circular protrusion (10).
6. Self-centering coupling according to claim 5, characterized in that one or more of the outer cylindrical protrusions (10) are annular outer cylindrical protrusions.
7. Self-centering coupling according to claim 5, characterized in that one or more of said outer cylindrical protrusions (10) are protrusions arranged in a circumferential direction from the position where they are arranged to a position away from the center of said hub.
8. The self-centering coupling according to claim 7, wherein one or more of said outer cylindrical lobes are cylindrical lobes.
9. The self-centering coupling according to claim 8, characterized in that a radial lifting hole (9) is provided on the self-centering coupling, the central axis of the radial lifting hole passing through the center of gravity of the hub.
10. A hub, characterized in that it is a hub according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023093718.XU CN214837948U (en) | 2020-12-21 | 2020-12-21 | Automatic centering shaft coupling and wheel hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023093718.XU CN214837948U (en) | 2020-12-21 | 2020-12-21 | Automatic centering shaft coupling and wheel hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214837948U true CN214837948U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023093718.XU Active CN214837948U (en) | 2020-12-21 | 2020-12-21 | Automatic centering shaft coupling and wheel hub |
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| Country | Link |
|---|---|
| CN (1) | CN214837948U (en) |
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- 2020-12-21 CN CN202023093718.XU patent/CN214837948U/en active Active
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