CN116025643B - Rotary member combination device and connecting shaft thereof - Google Patents
Rotary member combination device and connecting shaft thereof Download PDFInfo
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- CN116025643B CN116025643B CN202310307680.0A CN202310307680A CN116025643B CN 116025643 B CN116025643 B CN 116025643B CN 202310307680 A CN202310307680 A CN 202310307680A CN 116025643 B CN116025643 B CN 116025643B
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Abstract
The first rotary member is provided with a first shaft hole, and the first shaft hole is connected with the outer circumferential surface of the connecting shaft through a first spiral groove and a first boss structure matched with the first spiral groove; the second rotating member is provided with a second rotating member shaft, the connecting shaft is provided with a second shaft hole, the outer circumferential surface of the second rotating member shaft is connected with the second shaft hole through a second spiral groove and a boss structure matched with the second spiral groove, and the rotating direction of the first spiral groove is opposite to that of the second spiral groove. The rotary member combination device provided by the invention can realize that the relative positions among a plurality of rotary members in the circumferential direction are adjustable, and can reduce the structural size, so that the rotary member combination device is more compact in structure.
Description
Technical Field
The invention relates to a combination device of a plurality of rotary members and a connecting shaft thereof, in particular to a device with adjustable circumferential relative positions among the plurality of rotary members.
Background
The name of the rotary member combination device is: the Chinese patent application of CN201910736117 discloses a rotary member assembly device, which at least comprises a first rotary member and a second rotary member, and further comprises a connecting shaft, wherein at least one of the first rotary member and the second rotary member is connected with the connecting shaft through a spiral groove and a boss matched with the spiral groove. According to the rotary member combination device provided by the patent application, the axial positions of the first rotary member and the second rotary member can be fixed through the fixing device, and at the moment, the included angle between the first rotary member and the second rotary member, namely the relative position in the circumferential direction, can be adjusted only; the axial positions of the first rotary member and the second rotary member may not be fixed by the fixing device, and at this time, the included angle between the first rotary member and the second rotary member, that is, the relative position in the circumferential direction may be adjusted; the axial spacing, i.e. the axial relative position, between the first and second rotating members may also be adjusted simultaneously. The technical scheme that this patent application provided first rotating member with the second rotating member shares a connecting axle, all through spiral groove or boss structure that set up on the surface of connecting axle connect, the connecting axle surface atress is big, and the design size is big, causes whole rotating member composite set size big, is unsuitable for the equipment of less size to use.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a rotary member combination device which can adjust included angles among a plurality of rotary members and is applicable to smaller-size equipment.
The rotary member combination device at least comprises a first rotary member and a second rotary member, and further comprises a connecting shaft of the first rotary member and the second rotary member, wherein the first rotary member is provided with a first shaft hole, and the first shaft hole is connected with the outer circumferential surface of the connecting shaft (3) through a first spiral groove and a first boss matched with the first spiral groove; the second rotating member is provided with a second rotating member shaft, the connecting shaft is provided with a second shaft hole, the outer circumferential surface of the second rotating member shaft is connected with the second shaft hole through a second spiral groove and a second boss matched with the second spiral groove, and the rotation direction of the first spiral groove is opposite to that of the second spiral groove.
The rotating member assembly device provided by the invention can fix the axial positions of the first rotating member and the second rotating member through the fixing device, and only the included angle between the first rotating member and the second rotating member, namely the relative position in the circumferential direction, can be adjusted at the moment.
The axial position fixing device can be a shaft hole matching boss; or positioning rollers; or a bearing; or other axial securing means.
Preferably, the axial position fixing means is a bearing.
The invention provides a rotating member combination device, wherein one scheme is as follows:
the first spiral groove is formed in the inner wall of the first shaft hole of the first rotary member, and the first boss matched with the first spiral groove is formed in the outer circumferential surface of the connecting shaft.
The shape of the first boss may be any shape that can mate with the first helical groove, for example, it may be cylindrical.
The number of the first bosses can be one or more, and in order to improve the connection stability of the first rotating member and the connecting shaft, the number of the first bosses is two or more, and the two or more first bosses are distributed on a spiral track line matched with the first spiral groove.
The first boss may also be in the shape of a spiral boss. To reduce friction and manufacturability of the machining as the helical groove slides with the helical boss, the helical boss may be discontinuous.
Further, the second spiral groove is formed in the outer circumferential surface of the second rotating member shaft, and the second boss matched with the second spiral groove is formed in the inner wall of the second shaft hole of the connecting shaft.
The shape of the second boss may be any shape that can mate with the second helical groove, for example, it may be cylindrical.
The number of the second bosses can be one or more, and in order to improve the connection stability of the second rotating member and the connecting shaft, the number of the second bosses is two or more, and the two or more second bosses are distributed on a spiral track line matched with the second spiral groove.
The second boss may also be in the shape of a spiral boss. To reduce friction and manufacturability of the machining as the helical groove slides with the helical boss, the helical boss may be discontinuous.
The rotating member assembly device in the above manner, the method for adjusting the relative positions of the plurality of rotating members in the circumferential direction is as follows:
the connecting shaft is axially pushed to move forwards or backwards, and the axial positions of the first rotary member and the second rotary member are fixed through the axial position fixing device, so that the front-back movement of the connecting shaft drives the first boss and the second boss on the connecting shaft to move forwards or backwards, drives the first spiral groove and the second spiral groove to rotate reversely in the circumferential direction, drives the first rotary member to rotate and the second rotary member to rotate reversely, and realizes accurate adjustment of the relative positions of the two rotary members in the circumferential direction.
A connecting shaft of a rotating member combination device, wherein one or more first bosses are arranged on the outer circumferential surface of the connecting shaft, and the one or more first bosses are distributed in the first spiral line direction; the connecting shaft is internally provided with a second shaft hole, one or more second bosses are arranged on the inner wall of the second shaft hole, and the one or more second bosses are distributed on a second spiral line direction opposite to the rotation direction of the first spiral line direction.
The other scheme is as follows:
the first spiral groove is formed in the outer circumferential surface of the connecting shaft, and the first boss matched with the first spiral groove is formed in the inner wall of the first shaft hole of the first rotary member.
The shape of the first boss may be any shape that can mate with the first helical groove, for example, it may be cylindrical.
The number of the first bosses can be one or more, and in order to improve the connection stability of the first rotating member and the connecting shaft, the number of the first bosses is two or more, and the two or more first bosses are distributed on a spiral track line matched with the first spiral groove.
The first boss may also be in the shape of a spiral boss. To reduce friction and manufacturability of the machining as the helical groove slides with the helical boss, the helical boss may be discontinuous.
Further, the second spiral groove is arranged on the inner wall of the second shaft hole of the connecting shaft, and a second boss matched with the second spiral groove is arranged on the outer circumferential surface of the second rotating member shaft.
The shape of the second boss may be any shape that can mate with the second helical groove, for example, it may be cylindrical.
The number of the second bosses can be one or more, and in order to improve the connection stability of the second rotating member and the connecting shaft, the number of the second bosses is two or more, and the two or more second bosses are distributed on a spiral track line matched with the second spiral groove.
The second boss may also be in the shape of a spiral boss. To reduce friction and manufacturability of the machining as the helical groove slides with the helical boss, the helical boss may be discontinuous.
The rotating member assembly device in the above manner, the method for adjusting the circumferential relative positions among a plurality of rotating members comprises the following steps:
the connecting shaft is axially pushed to move forwards or backwards, and as the axial positions of the first rotary member and the second rotary member are fixed through the axial position fixing device, the front-back movement of the connecting shaft drives the first spiral groove and the second spiral groove on the connecting shaft to move forwards or backwards, the first boss and the second boss are driven to rotate in opposite directions, the first rotary member and the second rotary member (2) are driven to rotate in opposite directions, and the precise adjustment of the circumferential relative positions between the two rotary members is realized.
The utility model provides a connecting axle of rotating member composite set, set up first spiral recess on the connecting axle outer peripheral face, the inside second shaft hole of seting up of connecting axle, set up the second spiral recess on the second shaft hole inner wall, the rotation direction of first spiral recess with the rotation direction of second spiral recess is opposite.
In order to overcome the defects in the prior art, the invention provides another rotary member combination device with adjustable included angles among a plurality of rotary members and applicable to smaller-size equipment, which comprises a rotary member, a rotary member driving mechanism and a rotary member driving mechanism, wherein the included angles among the plurality of rotary members are adjustable:
the rotary member combination device at least comprises a first rotary member and a second rotary member, and further comprises a connecting shaft of the first rotary member and the second rotary member; the first rotary member is provided with a first shaft hole, and the first shaft hole is connected with the outer circumferential surface of the connecting shaft through a first spiral groove and a first boss structure matched with the first spiral groove; the second rotating member is provided with a second rotating member shaft, the connecting shaft is provided with a second shaft hole, and the outer circumferential surface of the second rotating member shaft is connected with the second shaft hole through a linear groove and a linear boss structure matched with the linear groove.
The rotating member assembly device provided by the invention can fix the axial positions of the first rotating member and the second rotating member through the fixing device, and only the included angle between the first rotating member and the second rotating member, namely the relative position in the circumferential direction, can be adjusted at the moment.
The axial position fixing device can be a shaft hole matching boss; or positioning rollers; or a bearing; or other axial securing means.
Preferably, the axial position fixing means is a bearing.
A specific scheme is as follows:
the first spiral groove is formed in the inner wall of the first shaft hole of the first rotary member, and the first boss matched with the first spiral groove is formed in the outer circumferential surface of the connecting shaft.
The shape of the first boss may be any shape that can mate with the first helical groove, for example, it may be cylindrical.
The number of the first bosses can be one or more, and in order to improve the connection stability of the first rotating member and the connecting shaft, the number of the first bosses is two or more, and the two or more first bosses are distributed on a spiral track line matched with the first spiral groove.
The first boss may also be in the shape of a spiral boss. To reduce friction and manufacturability of the machining as the helical groove slides with the helical boss, the helical boss may be discontinuous.
The linear groove is formed in the outer circumferential surface of the second rotating member shaft, and the linear boss matched with the linear groove is formed in the inner wall of the second shaft hole.
The number of the linear grooves may be one or more, and in order to improve the connection stability of the second rotating member and the connecting shaft, the number of the linear grooves may be two or more.
Preferably, the two or more linear grooves are equiangularly distributed on the outer circumferential surface of the second rotating member in the circumferential direction.
Preferably, the number of the linear bosses is two or more, and the two or more linear bosses are distributed at positions matched with the linear grooves.
The linear boss may be of any shape that mates with the linear recess, for example cylindrical or rectangular.
The rotating member assembly device in the above manner, the method for adjusting the circumferential relative positions among a plurality of rotating members comprises the following steps:
the connecting shaft is axially pushed to move forwards or backwards, and as the axial positions of the first rotating member and the second rotating member are fixed through the axial position fixing device, the front-back movement of the connecting shaft drives the first boss and the second linear boss on the connecting shaft to move forwards or backwards, the first spiral groove is driven to rotate, the first linear groove is kept motionless, the first rotating member is driven to rotate, the second rotating member is kept motionless in the first linear groove, and the accurate adjustment of the relative position between the two rotating members in the circumferential direction is realized.
A connecting shaft of a rotating member combination device, wherein one or more first bosses are arranged on the outer circumferential surface of the connecting shaft, and the one or more first bosses are distributed in the first spiral line direction; the connecting shaft is internally provided with a second shaft hole, and one or more linear bosses are arranged on the inner wall of the second shaft hole.
The other specific scheme is as follows:
the first spiral groove is formed in the outer circumferential surface of the connecting shaft, and the first boss matched with the first spiral groove is formed in the inner wall of the first shaft hole of the first rotary member.
The shape of the first boss may be any shape that can mate with the first helical groove, for example, it may be cylindrical.
The number of the first bosses can be one or more, and in order to improve the connection stability of the first rotating member and the connecting shaft, the number of the first bosses is two or more, and the two or more first bosses are distributed on a spiral track line matched with the first spiral groove.
The first boss may also be in the shape of a spiral boss. To reduce friction and manufacturability of the machining as the helical groove slides with the helical boss, the helical boss may be discontinuous.
The linear groove is formed in the inner wall of the second shaft hole, and the linear boss is formed in the outer circumferential surface of the second rotating member shaft.
The number of the linear grooves can be one or more, and in order to improve the connection stability of the second rotating member and the connecting shaft, the number of the linear grooves is two or more, and the two or more linear bosses are distributed at positions matched with the linear grooves.
Preferably, the two or more linear grooves are distributed at equal angles in the circumferential direction on the inner wall of the second shaft hole.
The linear boss may be any shape that mates with the linear groove, for example, it may be cylindrical or square.
The rotating member assembly device in the above manner, the method for adjusting the circumferential relative positions among a plurality of rotating members comprises the following steps:
the connecting shaft is axially pushed to move forwards or backwards, and as the axial positions of the first rotary member and the second rotary member are fixed through the axial position fixing device, the front-back movement of the connecting shaft drives the first spiral groove and the linear groove on the connecting shaft to move forwards and backwards, the first boss is driven to rotate, the first rotary member is driven to rotate, the linear boss is kept motionless, and the second rotary member is kept motionless, so that the precise adjustment of the circumferential relative positions between the two rotary members is realized.
A connecting shaft of a rotating member assembly device, wherein a first spiral groove is arranged on the outer circumferential surface of the connecting shaft; the connecting shaft is internally provided with a second shaft hole, and one or more linear grooves are formed in the inner wall of the second shaft hole.
Compared with the prior art, the rotary member combination device provided by the invention has the advantages that the special connecting shaft is adopted among the rotary members, the outer circumferential surface of the connecting shaft and the inner wall of the shaft hole are respectively connected with different rotary members in a mode of matching with the boss through the spiral grooves, the relative positions among the rotary members in the circumferential direction are adjustable, the structural size can be reduced, and the rotary member combination device is more compact in structure.
Drawings
FIG. 1 is a schematic structural view of embodiment 1;
fig. 2 is a schematic structural view of the connecting shaft in embodiment 1;
fig. 3 is a schematic structural view of embodiment 2;
fig. 4 is a schematic structural view of a connecting shaft of embodiment 2;
fig. 5 is a schematic structural view of embodiment 3;
fig. 6 is a schematic structural view of a connecting shaft of embodiment 3;
FIG. 7 is a schematic view of the structure of example 4;
fig. 8 is a schematic structural view of the connecting shaft of embodiment 4.
Wherein, 1, first rotating member 2, second rotating member 10, first shaft hole 21, second rotating member shaft 3, connecting shaft 30, second shaft hole 4, fixing device 11, first spiral groove 22, second spiral groove 23, straight line groove 31, first boss 32, second boss 33, straight line boss.
Detailed Description
The invention is illustrated in detail below with reference to the accompanying drawings.
Example 1:
as shown in fig. 1 and 2, a rotary member assembly device includes a first rotary member 1, a second rotary member 2, and a connecting shaft 3 of the first rotary member 1 and the second rotary member 2. The axial positions of the first rotating member 1 and the second rotating member 2 are fixed by a fixing device 4, and the fixing device 4 is a bearing.
The first rotary member 1 is provided with a first shaft hole 10, and a first spiral groove 11 is formed in the inner wall of the first shaft hole 10. The outer circumferential surface of the connecting shaft 3 is provided with a first boss 31 matched with the first spiral groove 11. The first bosses 31 are cylindrical structures, two in number, and are distributed on a spiral track line matched with the first spiral groove 11.
The second rotating member 2 is provided with a second rotating member shaft 21, a second spiral groove 22 is formed in the outer circumferential surface of the second rotating member shaft 21, the connecting shaft 3 is provided with a second shaft hole 30, and a second boss 32 matched with the second spiral groove 22 is formed in the inner wall of the second shaft hole 30. The second bosses 32 are also cylindrical in shape, two in number, and are distributed on a spiral track line that cooperates with the second spiral groove 22.
The direction of rotation of the first spiral groove 11 is opposite to the direction of rotation of the second spiral groove 22.
The method for adjusting the relative position between the rotating members in the circumferential direction in the embodiment is as follows:
the connecting shaft 3 is pushed to move forwards or backwards in the axial direction, and as the axial positions of the first rotary member 1 and the second rotary member 2 are fixed through bearings, the forward and backward movement of the connecting shaft 3 drives the first boss 31 and the second boss 32 on the connecting shaft 3 to move forwards or backwards, drives the first spiral groove 11 and the second spiral groove 22 to rotate reversely in the circumferential direction, drives the first rotary member 1 to rotate and the second rotary member 2 to rotate reversely in the circumferential direction, and realizes accurate adjustment of the relative positions between the first rotary member and the second rotary member in the circumferential direction.
As shown in fig. 2, a connecting shaft is provided with two first bosses 31 on the outer circumferential surface thereof, the two first bosses being distributed in the first spiral line direction; the connecting shaft is internally provided with a second shaft hole 30, two second bosses 32 are arranged on the inner wall of the second shaft hole 30, and the two second bosses are distributed on a second spiral line direction opposite to the rotation direction of the first spiral line direction.
Example 2:
as in embodiment 1, except that as shown in fig. 3 and 4, a first spiral groove 11 is provided on the outer circumferential surface of the connecting shaft 3, and a first boss 31 that mates with the first spiral groove 11 is provided on the inner wall of the first shaft hole 10 of the first rotary member 1. A second spiral groove 22 is provided on an inner wall of the second shaft hole 30 of the connection shaft 3, and a second boss 32 fitted with the second spiral groove 22 is provided on an outer circumferential surface of the second rotary member shaft 21.
The method for adjusting the circumferential relative position between the rotating members in the embodiment is as follows:
the connecting shaft 3 is axially pushed to move forwards or backwards, and as the axial positions of the first rotary member 1 and the second rotary member 2 are fixed by the axial position fixing device 4, the forward and backward movement of the connecting shaft 3 drives the first spiral groove 11 and the second spiral groove 22 on the connecting shaft 3 to move forwards and backwards, drives the first boss 31 and the second boss 32 to rotate reversely, drives the first rotary member 1 and the second rotary member 2 to rotate reversely, and realizes precise adjustment of the circumferential relative positions between the first rotary member and the second rotary member.
As shown in fig. 4, a first spiral groove 11 is formed on the outer circumferential surface of the connecting shaft, a second shaft hole 30 is formed inside the connecting shaft, a second spiral groove 22 is formed on the inner wall of the second shaft hole 30, and the rotation direction of the first spiral groove is opposite to the rotation direction of the second spiral groove 22.
Example 3:
as shown in fig. 5 and 6, a rotary member assembly device includes a first rotary member, a second rotary member 2, and a connecting shaft 3 thereof. The axial positions of the first rotating member 1 and the second rotating member 2 are fixed by a fixing device 4, and the fixing device 4 is a bearing.
The first rotary member 1 is provided with a first shaft hole 10, a first spiral groove 11 is formed in the inner wall of the first shaft hole 10, and a first boss 31 matched with the first spiral groove 11 is formed in the outer circumferential surface of the connecting shaft 3. The first bosses 31 are cylindrical structures, two in number, and are distributed on a spiral track line matched with the first spiral groove 11.
The second rotating member 2 is provided with a second rotating member shaft 21, and linear grooves 23 are equiangularly distributed on the outer circumferential surface of the second rotating member shaft 21. The connecting shaft 3 is provided with a second shaft hole 30, and two linear bosses 33 matched with the two linear grooves 23 are arranged on the inner wall of the second shaft hole 30.
The method for adjusting the circumferential relative position between two rotary members in the embodiment is as follows:
the connecting shaft 3 is pushed to move forwards or backwards in the axial direction, because the axial positions of the first rotating member 1 and the second rotating member 2 are fixed by the axial position fixing device 4, the forward and backward movement of the connecting shaft 3 drives the first boss 31 and the second linear boss 33 on the connecting shaft 3 to move forwards or backwards, drives the first spiral groove 11 to rotate, the first linear groove 22 is kept motionless, drives the first rotating member 1 to rotate, and the second rotating member 2 is kept motionless in the first linear groove 23, so that the accurate adjustment of the relative positions among a plurality of rotating members in the circumferential direction is realized.
As shown in fig. 6, a connecting shaft is provided with two first bosses 31 on the outer circumferential surface thereof, and the two first bosses 31 are distributed in the first spiral line direction; the inside of the connecting shaft 3 is provided with a second shaft hole 30, and the inner wall of the second shaft hole 30 is provided with two linear bosses 33.
Example 4:
as in embodiment 3, the difference is that the first spiral groove 11 is provided on the outer circumferential surface of the connecting shaft 3, and a first boss 31 fitted with the first spiral groove 11 is provided on the inner wall of the first shaft hole 10 of the first rotary member 1, as shown in fig. 7 and 8.
The first boss 31 is cylindrical in shape, and two in number, and is distributed on a spiral track line matched with the first spiral groove 11.
The number of the linear grooves 23 is two, the linear grooves 23 are distributed on the inner wall of the second shaft hole 30 at equal angles in the circumferential direction of the inner wall of the second shaft hole 30, and two linear bosses 33 matched with the linear grooves 23 are arranged on the outer circumferential surface of the second rotating member shaft 21.
The method for adjusting the circumferential relative position between the two rotary members in the embodiment is as follows:
the connecting shaft 3 is pushed to move forwards or backwards in the axial direction, and as the axial positions of the first rotary member 1 and the second rotary member 2 are fixed by the axial position fixing device 4, the forward and backward movement of the connecting shaft 3 drives the first spiral groove 11 and the linear groove 23 on the connecting shaft 3 to move forwards and backwards, drives the first boss 31 to rotate, drives the first rotary member 1 to rotate, the linear boss 33 is kept motionless, and the second rotary member 2 is kept motionless, so that the precise adjustment of the circumferential relative positions among a plurality of rotary members is realized.
As shown in fig. 8, a connecting shaft is provided with a first spiral groove 11 on the outer circumferential surface thereof; the inside of the connecting shaft is provided with a second shaft hole 30, and the inner wall of the second shaft hole 30 is provided with two linear grooves 23.
Claims (30)
1. The rotary member combination device at least comprises a first rotary member (1) and a second rotary member (2), and further comprises a connecting shaft (3) of the first rotary member (1) and the second rotary member (2), and is characterized in that the first rotary member (1) is provided with a first shaft hole (10), and the first shaft hole (10) is connected with the outer circumferential surface of the connecting shaft (3) through a first spiral groove (11) and a first boss (31) matched with the first spiral groove; the second rotating member (2) is provided with a second rotating member shaft (21), the connecting shaft (3) is provided with a second shaft hole (30), the outer circumferential surface of the second rotating member shaft (21) is connected with the second shaft hole (30) through a second spiral groove and a second boss (32) matched with the second spiral groove, and the rotation direction of the first spiral groove is opposite to that of the second spiral groove.
2. A rotating member combination according to claim 1, characterized in that the axial position of the first rotating member (1) and the second rotating member (2) is fixed by means of a fixing device (4).
3. A rotating member assembly according to claim 2, wherein the fixing means (4) is a bearing.
4. A rotary member assembly according to any one of claims 1-3, characterized in that a first spiral groove (11) is provided in the inner wall of the first shaft hole (10) of the first rotary member (1), and a first boss (31) cooperating with the first spiral groove (11) is provided on the outer circumferential surface of the connecting shaft (3).
5. A rotating member assembly according to claim 4, wherein the first projections (31) are cylindrical in shape, in number of two or more, distributed on a spiral track co-operating with the first spiral groove (11).
6. A rotating member assembly according to claim 4, wherein the first boss (31) is shaped as a discontinuous helical boss distributed on a helical track co-operating with the first helical groove (11).
7. A rotating member assembly according to claim 4, wherein the second spiral groove (22) is provided on the outer circumferential surface of the second rotating member shaft (21), and the second boss (32) fitted with the second spiral groove (22) is provided on the inner wall of the second shaft hole (30) of the connecting shaft (3).
8. A rotating member assembly according to claim 7, wherein the second projections (32) are cylindrical in shape, in number of two or more, distributed over a spiral track co-operating with the second spiral groove (22).
9. A rotating member assembly according to claim 7, wherein the second projections (32) are shaped as discrete spiral projections distributed on a spiral track co-operating with the second spiral groove (22).
10. A rotary member assembly according to any one of claims 1-3, characterized in that a first spiral groove (11) is provided on the outer circumferential surface of the connecting shaft (3), and a first boss (31) cooperating with the first spiral groove (11) is provided on the inner wall of the first shaft hole (10) of the first rotary member (1).
11. A rotating member assembly according to claim 10, wherein the first projections (31) are cylindrical in shape, in number of two or more, distributed over a spiral track co-operating with the first spiral groove (11).
12. A rotating member assembly according to claim 10, wherein the first boss (31) is shaped as a discontinuous helical boss distributed on a helical track co-operating with the first helical groove (11).
13. A rotary member assembly according to claim 10, characterized in that a second spiral groove (22) is provided on the inner wall of the second shaft hole (30) of the connecting shaft (3), and a second boss (32) cooperating with the second spiral groove (22) is provided on the outer circumferential surface of the second rotary member shaft (21).
14. A rotating member assembly according to claim 13, wherein the second projections (32) are cylindrical in shape, two in number, distributed over the spiral track co-operating with the second spiral groove (22).
15. A rotating member assembly according to claim 13, wherein the second projections (32) are shaped as discrete spiral projections distributed on a spiral track co-operating with the second spiral groove (22).
16. The rotary member combination device at least comprises a first rotary member (1) and a second rotary member (2), and further comprises a connecting shaft (3) of the first rotary member (1) and the second rotary member (2), and is characterized in that the first rotary member (1) is provided with a first shaft hole (10), and the first shaft hole (10) is connected with the outer circumferential surface of the connecting shaft (3) through a first spiral groove and a first boss (31) matched with the first spiral groove; the second rotating member (2) is provided with a second rotating member shaft (21), the connecting shaft (3) is provided with a second shaft hole (30), and the outer circumferential surface of the second rotating member shaft (21) is connected with the second shaft hole (30) through a linear groove (23) and a linear boss (33) matched with the linear groove.
17. A rotating member combination according to claim 16, characterized in that the axial position of the first rotating member (1) and the second rotating member (2) is fixed by means of a fixing device (4).
18. A rotating member assembly according to claim 17, wherein the fixing means (4) is a bearing.
19. A rotating member assembly according to any of claims 16-18, wherein the first spiral groove (11) is provided on the inner wall of the first shaft hole (10) of the first rotating member (1), and the first boss (31) cooperating with the first spiral groove (11) is provided on the outer circumferential surface of the connecting shaft (3).
20. A rotating member assembly according to claim 19, wherein the first projections (31) are cylindrical in shape, in number of two or more, distributed over a spiral track co-operating with the first spiral groove (11).
21. A rotating member assembly according to claim 19, wherein the first boss (31) is shaped as a discontinuous helical boss distributed on a helical track co-operating with the first helical groove (11).
22. A rotating member assembly according to claim 19, wherein a linear groove (23) is provided on the outer circumferential surface of the second rotating member shaft (21), and a linear boss (33) cooperating with the linear groove (23) is provided on the inner wall of the second shaft hole (30).
23. A rotating member assembly according to claim 22, wherein the number of said linear grooves (23) is two or more, said two or more linear grooves (23) being equiangularly distributed in the circumferential direction on the outer circumferential surface of said second rotating member shaft (21).
24. A rotating member assembly according to claim 23, wherein the number of linear protrusions (33) is two or more, and wherein the two or more linear protrusions (33) are distributed in a position to cooperate with the linear grooves (23).
25. A rotary member combination according to any one of claims 16-18, characterized in that a first spiral groove (11) is provided on the outer circumferential surface of the connecting shaft (3), and that a first boss (31) cooperating with the first spiral groove (11) is provided on the inner wall of the first shaft hole (10) of the first rotary member (1).
26. A rotating member assembly according to claim 25, wherein the first projections (31) are cylindrical in shape, in number of two or more, distributed over a spiral track co-operating with the first spiral groove (11).
27. A rotating member assembly according to claim 25, wherein the first boss (31) is shaped as a discontinuous helical boss distributed on a helical track co-operating with the first helical groove (11).
28. A rotating member assembly according to claim 25, wherein a linear groove (23) is provided on the inner wall of the second shaft hole (30) and a linear boss (33) is provided on the outer circumferential surface of the second rotating member shaft (21).
29. A rotating member assembly according to claim 28, wherein the number of said linear grooves (23) is two or more, said two or more linear grooves (23) being equiangularly distributed in the circumferential direction on the inner wall of said second shaft hole (30).
30. A rotating member assembly according to claim 29, wherein the number of linear protrusions (33) is two or more, and wherein the two or more linear protrusions (33) are distributed in a position to cooperate with the linear grooves (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310307680.0A CN116025643B (en) | 2023-03-28 | 2023-03-28 | Rotary member combination device and connecting shaft thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310307680.0A CN116025643B (en) | 2023-03-28 | 2023-03-28 | Rotary member combination device and connecting shaft thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116025643A CN116025643A (en) | 2023-04-28 |
| CN116025643B true CN116025643B (en) | 2023-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310307680.0A Active CN116025643B (en) | 2023-03-28 | 2023-03-28 | Rotary member combination device and connecting shaft thereof |
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| CN211315008U (en) * | 2019-09-11 | 2020-08-21 | 中国人民解放军第六九O五工厂 | Multi-screw-rod linkage lifting rod |
| CN113251062A (en) * | 2021-05-28 | 2021-08-13 | 山东创新板材有限公司 | Drive operation device and installation method |
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Denomination of invention: A rotary component combination device and its connecting shaft Effective date of registration: 20230926 Granted publication date: 20230613 Pledgee: Bank of Beijing Co.,Ltd. Jinan Branch Pledgor: SHANDONG HUAWIN ELECTRICAL & MECHANICAL TECHNOLOGY Co.,Ltd. Registration number: Y2023980059154 |