CN109356994B

CN109356994B - Transmission handle assembly

Info

Publication number: CN109356994B
Application number: CN201811211107.5A
Authority: CN
Inventors: 潘文鼎; 佘邵平; 李亚; 曾庆飞; 袁鹏
Original assignee: Wuhan Marine Machinery Plant Co Ltd
Current assignee: Wuhan Marine Machinery Plant Co Ltd
Priority date: 2018-10-17
Filing date: 2018-10-17
Publication date: 2020-09-15
Anticipated expiration: 2038-10-17
Also published as: CN109356994A

Abstract

The invention discloses a transmission handle assembly, and belongs to the field of mechanical transmission. When the transmission handle assembly is used, the handle is connected with the handle shaft, and the handle shaft is fixedly connected with the positioning flange, so that the handle and the handle shaft can be fixed at a proper position through the positioning flange, and the position of the transmission shaft relative to the handle shaft is flexibly adjusted through the reversing assembly, so that the transmission shaft is mechanically connected with the transmission mechanism at a proper position. When the handle is located initial position, the part that the spring was kept away from to two balls on the annular plate of handle axle all offsets with the spacing through-hole on the flange of location, when rotating handle, handle axle can rotate with the handle together, the spring in the annular plate of handle axle rotates along with handle axle with the ball, and when the handle rotated 180, initial position can be got back to the handle, the staff can judge or control transmission machinery's motion condition according to initial position's location, be favorable to the staff to the judgement and the control of transmission machinery's motion condition.

Description

Transmission handle assembly

Technical Field

The invention relates to the field of mechanical transmission, in particular to a transmission handle assembly.

Background

Drive handle assemblies are commonly used in the field of mechanical drives for transmitting power. The drive handle assembly generally includes a handle and a drive shaft, one end of the drive shaft is connected to the handle, the other end of the drive shaft is drivingly connected to the drive mechanism, and rotation of the handle drives the drive shaft to move, thereby moving the drive mechanism.

However, when the handle is rotated, it is difficult to determine the position and movement of the transmission mechanism according to the position of the handle, which is not favorable for the operator to determine the movement of the transmission mechanism.

Disclosure of Invention

The embodiment of the invention provides a transmission handle assembly which is beneficial to a worker to judge the motion condition of a transmission machine. The technical scheme is as follows:

the embodiment of the invention provides a transmission handle assembly, which comprises a handle, a handle shaft, a positioning flange, a limiting assembly, a reversing assembly and a transmission shaft,

the handle shaft comprises a shaft main body and an annular plate, the annular plate is coaxially sleeved on the shaft main body, one end of the shaft main body is connected with the handle, the positioning flange is sleeved on the annular plate, a through hole is arranged on the annular plate, the axis of the through hole is intersected with the axis of the annular plate,

the limiting assembly comprises a spring and two balls, the spring is coaxially arranged in the through hole, the two balls are respectively arranged at two ends of the spring,

the positioning flange is provided with a limiting through hole which is coaxial with the through hole, the diameter of the limiting through hole is smaller than that of the ball, one side of the ball, which is far away from the spring, is abutted against the limiting through hole,

the limiting assembly is arranged between the other end of the shaft main body and one end of the transmission shaft, the axis of the shaft main body is parallel to the axis of the transmission shaft, and the reversing assembly is used for controlling the distance between the axis of the shaft main body and the axis of the transmission shaft.

Optionally, a plurality of limiting through holes are circumferentially arranged on the positioning flange, and included angles between axes of two adjacent limiting through holes are the same.

Optionally, the positioning flange comprises a connecting ring plate and a connecting sleeve, the connecting ring plate is fixed on the connecting sleeve, a circular groove is arranged at one end of the connecting sleeve close to the handle, the annular plate is arranged in the circular groove,

one end of the shaft main body, which is far away from the annular plate, is inserted into the connecting sleeve.

Optionally, the drive handle assembly further comprises a bushing coaxially fixed on an inner wall of the connection sleeve.

Optionally, one end of the handle close to the shaft main body is provided with a mounting groove, and one end of the connecting sleeve provided with the circular groove is arranged in the mounting groove.

Optionally, the reversing assembly comprises a first universal joint, a sliding barrel, a sliding shaft and a second universal joint,

the first universal joint is used for connecting the other end of the shaft main body with the sliding barrel, the sliding shaft is coaxially inserted in the sliding barrel, the second universal joint is used for connecting one end, far away from the sliding barrel, of the sliding shaft with the transmission shaft, and a rotating shaft of the first universal joint and a rotating shaft of the second universal joint are arranged in parallel.

Optionally, a limiting hole is formed in the sliding barrel, the length direction of the limiting hole is parallel to the axis of the sliding barrel, a limiting pin is arranged on the sliding shaft, and the limiting pin is inserted into the limiting hole.

Optionally, the transmission handle assembly further comprises a limiting assembly for fixing the position of the handle.

Optionally, the transmission handle assembly further comprises a coupling flange coaxially sleeved on the transmission shaft.

Optionally, the transmission handle assembly further comprises a transmission gear, and the transmission gear is coaxially sleeved on the transmission shaft.

The technical scheme provided by the embodiment of the invention has the following beneficial effects: when the transmission handle assembly is used, the handle is connected with the handle shaft, and the handle shaft is fixedly connected with the positioning flange, so that the handle and the handle shaft can be fixed at a proper position through the positioning flange, and the position of the transmission shaft relative to the handle shaft is flexibly adjusted through the reversing assembly, so that the transmission shaft is mechanically connected with the transmission mechanism at a proper position. When the handle is located initial position, the part that the spring was kept away from to two balls on the annular plate of handle axle all offsets with the spacing through-hole on the flange of location, when rotating handle, handle axle can rotate with the handle together, the spring in the annular plate of handle axle rotates along with handle axle with the ball, and when the handle rotated 180, initial position can be got back to the handle, the staff can judge or control transmission machinery's motion condition according to initial position's location, be favorable to the staff to the judgement and the control of transmission machinery's motion condition.

Drawings

FIG. 1 is a schematic structural view of a drive handle assembly provided by an embodiment of the present invention;

FIG. 2 is a side view of a positioning flange provided by an embodiment of the present invention;

FIG. 3 is a top view of a coupling sleeve provided in accordance with an embodiment of the present invention;

FIG. 4 is a further schematic illustration of the structure of the handle provided by the embodiments of the present invention;

FIG. 5 is a schematic structural view of a handle shaft provided in an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a slide cartridge provided in an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a slide shaft according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a cross block provided by an embodiment of the present invention;

fig. 9 is a schematic structural view of another drive handle assembly provided by an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a transmission handle assembly according to an embodiment of the present invention, and as shown in fig. 1, the transmission handle assembly includes a handle 1, a handle shaft 2, a positioning flange 3, a limiting assembly 4, a reversing assembly 5, and a transmission shaft 6.

The handle shaft 2 comprises a shaft main body 21 and an annular plate 22, the annular plate 22 is coaxially sleeved on the shaft main body 21, one end of the shaft main body 21 is connected with the handle 1, the positioning flange 3 is sleeved on the annular plate 22, a through hole 221 is formed in the annular plate 22, and the axis of the through hole 221 is intersected with the axis of the annular plate 22.

The limiting assembly 4 comprises a spring 41 and two springs 42, the spring 41 is coaxially arranged in the through hole 221, and the two springs 42 are respectively arranged at two ends of the spring 41.

The positioning flange 3 is provided with a limiting through hole 31 which is coaxial with the through hole 221, the diameter of the limiting through hole 31 is smaller than that of the spring 42, and one side of the spring 42, which is far away from the spring 41, is abutted against the limiting through hole 31.

Spacing subassembly 4 sets up between the other end of axle main part 21 and the one end of transmission shaft 6, and the axis of axle main part 21 is parallel with the axis of transmission shaft 6, and switching-over subassembly 5 is used for controlling the distance between the axis of axle main part 21 and the axis of transmission shaft 6.

When the transmission handle assembly is used, the handle 1 is connected with the handle shaft 2, and the handle shaft 2 is fixedly connected with the positioning flange 3, so that the handle 1 and the handle shaft 2 can be fixed at a proper position through the positioning flange 3, and the position of the transmission shaft 6 relative to the handle shaft 2 is flexibly adjusted through the reversing assembly 5, so that the transmission shaft 6 is mechanically connected with the transmission mechanism at a proper position. When the handle 1 is located at the initial position, the parts, far away from the spring 41, of the two springs 42 on the annular plate 22 of the handle shaft 2 are abutted to the limiting through holes 31 on the positioning flange 3, when the handle 1 is rotated, the handle shaft 2 can rotate together with the handle 1, the spring 41 and the spring 42 in the annular plate 22 of the handle shaft 2 rotate together with the handle shaft 2, when the handle 1 rotates 180 degrees, the handle 1 can return to the initial position, a worker can judge or control the motion condition of the transmission machine according to the positioning of the initial position, and the judgment and the control of the worker on the motion condition of the transmission machine are facilitated.

Optionally, the driving handle assembly further comprises a coupling flange 7, and the coupling flange 7 is coaxially sleeved on the driving shaft 6. The coupling flange 7 can fix the transmission shaft 6 on different structures, which is beneficial to the stable use of the transmission handle assembly.

Optionally, the transmission handle assembly further comprises a transmission gear 8, and the transmission gear 8 is coaxially sleeved on the transmission shaft 6. The transmission gear 8 can be mechanically connected with a transmission mechanism with a gear structure, and the universality of the transmission handle assembly is improved.

Fig. 2 is a side view of a positioning flange provided by an embodiment of the present invention, and referring to fig. 1 and 2, the positioning flange 3 may include a connecting ring plate 32 and a connecting sleeve 33, the connecting ring plate 32 is fixed on the connecting sleeve 33, one end of the connecting sleeve 33 near the handle 1 is provided with a circular groove 331, and the annular plate 22 is disposed in the circular groove 331. The end of the shaft main body 21 remote from the annular plate 22 is inserted in the connecting sleeve 33. One end of the shaft main body 21, which is far away from the annular plate 22, is inserted into the connecting sleeve 33, so that the shaft main body 21 can be protected, the shaking possibly occurring on the shaft main body 21 can be reduced, and the stable use of the handle transmission assembly is ensured.

As shown in fig. 2, the driving handle assembly further includes a bushing 34, the bushing 34 being coaxially fixed to the inner wall of the connecting sleeve 33. The arrangement of the bush 34 can avoid the mutual friction between the positioning flange 3 and the handle shaft 2, and after the bush 34 is used for a long time and is worn greatly, the bush 34 can be directly replaced to ensure the normal use of the handle transmission assembly.

Alternatively, the connecting ring plate 32 may be provided with connecting holes or threaded holes, and the positioning flange 3 may be connected with other structures through bolts, which is relatively simple in structure.

Fig. 3 is a top view of a connection sleeve according to an embodiment of the present invention, and as shown in fig. 3, a plurality of limiting through holes 31 may be disposed in a circumferential direction of the positioning flange 3, and included angles between axes of two adjacent limiting through holes 31 are the same. Under the condition of the arrangement, when the handle 1 rotates for a certain angle, the spring 42 is propped against the limiting through hole 31 on the positioning flange 3, and a worker can control the angle of the handle 1 needing to rotate according to the position change of the spring 42 so as to control or judge the motion state of the transmission machinery.

The limit through-hole 31 may be provided on the connection sleeve 33.

Optionally, the transmission handle assembly may further include a limiting sleeve 9, the limiting sleeve 9 is fixed on the shaft main body 21 at an interval from the positioning flange 3, one end of the limiting sleeve 9 close to the positioning flange 3 is provided with a first arc-shaped protrusion 91, one end of the connecting sleeve 33 close to the limiting sleeve 9 is provided with a second arc-shaped protrusion 332 corresponding to the first arc-shaped protrusion 91, and the sum of the central angle corresponding to the first arc-shaped protrusion 91 and the central angle corresponding to the second arc-shaped protrusion 332 is 30-90 °. When the transmission machinery is not allowed to move too much, the rotation of the handle 1 can be limited through the limiting sleeve 9, and the using effect of the transmission machinery is ensured.

Wherein, the included angle alpha between the axes of two adjacent limiting through holes 31 can be 15 degrees to 180 degrees. Within the range, the strength of the positioning flange 3 can be ensured, and meanwhile, the working personnel can conveniently judge the motion state of the transmission machine.

Fig. 4 is a schematic structural diagram of a handle according to an embodiment of the present invention, and referring to fig. 1 and 4, an end of the handle 1 near the shaft main body 21 is provided with a mounting groove 11, and an end of the connecting sleeve 33 provided with a circular recess 331 is disposed in the mounting groove 11. The end of the connecting sleeve 33 provided with the circular groove 331 is arranged in the mounting groove 11, so that the positioning flange 3, the limiting component 4 and other structures can be protected, and the positioning flange 3 and the limiting component 4 are prevented from being damaged by the outside.

Optionally, the end surface of the end of the annular plate 22 far away from the positioning flange 3 abuts against the bottom surface of the mounting groove 11, and the end surface of the end of the connecting sleeve 33 near the handle 1 abuts against the bottom surface of the mounting groove 11, so that the mounting space required by the transmission handle assembly can be reduced.

Fig. 5 is a schematic structural diagram of a handle shaft provided in an embodiment of the present invention, and referring to fig. 1, 4 and 5, an annular plate 22 may be disposed between two ends of a shaft main body 21, one end of the shaft main body 21 is connected to the handle 1, and the other end is inserted into the positioning flange 3.

With reference to fig. 1, 4 and 5, the handle 1 is provided with a mounting hole 12, one end of the shaft main body 21, which is far away from the positioning flange 3, is inserted into the mounting hole 12, and one end of the shaft main body 21, which is far away from the positioning flange 3, is connected with the handle 1 through a key. The handle 1 is provided with a connecting groove 13 in the circumferential direction of a mounting hole 12 at one end far away from the positioning flange 3, the connecting groove 13 is provided with a limiting plate 14, the limiting plate 14 is provided with a bolt 15, and one end of the bolt 15 is connected with a shaft main body 21. This structure realizes the connection between the handle 1 and the handle shaft 2 with a relatively simple structure and requires a small space.

As shown in fig. 5, a plurality of annular grooves 211 may be formed on the shaft main body 21, and the annular grooves 211 may reduce friction between the shaft main body 21 and the positioning flange 3, thereby prolonging the service life of the bushing 9.

As shown in fig. 1, the reversing assembly 5 may include a first universal joint 51, a slide cylinder 52, a slide shaft 53, and a second universal joint 54. The first universal joint 51 is used for connecting the other end of the shaft main body 21 with the sliding barrel 52, the sliding shaft 53 is coaxially inserted in the sliding barrel 52, the second universal joint 54 is used for connecting one end, away from the sliding barrel 52, of the sliding shaft 53 with the transmission shaft 6, and a rotating shaft of the first universal joint 51 and a rotating shaft of the second universal joint 54 are arranged in parallel. This construction makes it possible to achieve a position adjustment between the handle shaft 2 and the transmission shaft 6 relatively simply. And the structure is simpler, can reduce the required space that occupies of transmission handle 1 subassembly.

Fig. 6 is a schematic structural view of a slide cylinder according to an embodiment of the present invention, fig. 7 is a schematic structural view of a slide shaft according to an embodiment of the present invention, and with reference to fig. 1, fig. 6 and fig. 7, a limiting hole 521 may be disposed on the slide cylinder 52, a length direction of the limiting hole 521 is parallel to an axis of the slide cylinder 52, a limiting pin 531 is disposed on the slide shaft 53, and the limiting pin 531 is inserted into the limiting hole 521.

Referring to fig. 1, 6 and 7, the first universal joint 51 may include a left joint 511, a cross block 512, two connecting pins 513 and a right joint 514, one end of the left joint 511 is connected to the other end of the shaft body 21, the other end of the left joint 511 is provided with a left binaural plate 511a, one end of the right joint 514 is provided with a right binaural plate 514a, the left binaural plate 511a is perpendicular to the right binaural plate 514a, and the cross block 512 is disposed between the left binaural plate 511a and the right binaural plate 514 a.

Fig. 8 is a schematic structural diagram of a cross block according to an embodiment of the present invention, and with reference to fig. 8, two pin holes 512a perpendicular to each other are provided on the cross block 512, the two pin holes 512a are coaxial with the ear plate hole 511b on the left ear plate 511a and the ear plate hole 514b on the right ear plate 514a, one of the connection pins 513 is inserted into one of the pin holes 512a and the ear plate hole 511b of the left ear plate 511a, and the other connection pin 513 is inserted into the other of the pin holes 512a and the ear plate hole 514b of the right ear plate 514 a.

As shown in fig. 6, the other end of the right connector 514 may be integrated with the slide cylinder 52, which is not limited by the present invention.

Since the structure of the second universal joint 54 is similar to that of the first universal joint 51, it will not be described herein.

Alternatively, the other end of the shaft main body 21 may be inserted into the left joint 511, and the left joint 511 and the shaft main body 21 are connected by a pin.

It should be noted that the left joint 511 and the right joint 514 are used for name distinction only and do not limit the orientation of the structure herein.

Fig. 9 is a schematic structural diagram of another driving handle assembly provided by the embodiment of the invention, and the driving handle assembly further comprises a positioning assembly 10, and the positioning assembly 10 is used for fixing the position of the handle 1. The setting of locating component 10 avoids handle 1 to rock at will, guarantees the stable use of transmission handle 1 subassembly.

The positioning assembly 10 may include a positioning plate 101 and a positioning rod 102, the positioning plate 101 is disposed on the handle 1, the positioning plate 101 is provided with a positioning hole 101a, the connecting ring plate 32 is provided with a plurality of blind holes 321, and after the handle 1 rotates by a certain angle, the positioning rod 102 may be inserted into the positioning hole 101a and the blind hole 321 to fix the position of the handle 1. This structure is relatively easy to implement.

The above is only a structure of a positioning assembly provided in the embodiment of the present invention, and in other cases provided in the embodiment of the present invention, positioning assemblies with different structures may also be adopted, which is not limited in the present invention.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A transmission handle component is characterized in that the transmission handle component comprises a handle (1), a handle shaft (2), a positioning flange (3), a limiting component (4), a reversing component (5) and a transmission shaft (6),

the handle shaft (2) comprises a shaft main body (21) and an annular plate (22), the annular plate (22) is coaxially sleeved on the shaft main body (21), one end of the shaft main body (21) is connected with the handle (1), the positioning flange (3) is sleeved on the annular plate (22), a through hole (221) is arranged on the annular plate (22), the axis of the through hole (221) is intersected with the axis of the annular plate (22),

the limiting assembly (4) comprises a spring (41) and two balls (42), the spring (41) is coaxially arranged in the through hole (221), the two balls (42) are respectively arranged at two ends of the spring (41),

a limiting through hole (31) coaxial with the through hole (221) is formed in the positioning flange (3), the diameter of the limiting through hole (31) is smaller than that of the ball (42), one side, far away from the spring (41), of the ball (42) is abutted against the limiting through hole (31),

the limiting assembly (4) is arranged between the other end of the shaft main body (21) and one end of the transmission shaft (6), the axis of the shaft main body (21) is parallel to the transmission shaft (6), and the reversing assembly (5) is used for controlling the distance between the axis of the shaft main body (21) and the axis of the transmission shaft (6).

2. The transmission handle assembly according to claim 1, wherein a plurality of limiting through holes (31) are arranged on the positioning flange (3) in the circumferential direction, and the included angles (α) between the axes of two adjacent limiting through holes (31) are the same.

3. The transmission handle assembly according to claim 1, wherein the positioning flange (3) comprises a connection ring plate (32) and a connection sleeve (33), the connection ring plate (32) is fixed on the connection sleeve (33), one end of the connection sleeve (33) near the handle (1) is provided with a circular groove (331), the annular plate (22) is arranged in the circular groove (331),

one end, far away from the annular plate (22), of the shaft main body (21) is inserted into the connecting sleeve (33).

4. The transmission handle assembly according to claim 3, further comprising a bushing (34), the bushing (34) being coaxially fixed on an inner wall of the connection sleeve (33).

5. The transmission handle assembly according to claim 3, wherein the handle (1) is provided with a mounting groove (11) at an end thereof adjacent to the shaft main body (21), and the connecting sleeve (33) is provided with the circular recess (331) at an end thereof disposed in the mounting groove (11).

6. The handle assembly according to any of claims 1 to 5, wherein the reversing assembly (5) comprises a first universal joint (51), a sliding barrel (52), a sliding shaft (53) and a second universal joint (54),

the first universal joint (51) is used for connecting the other end of the shaft main body (21) with the sliding barrel (52), the sliding shaft (53) is coaxially inserted into the sliding barrel (52), the second universal joint (54) is used for connecting one end, far away from the sliding barrel (52), of the sliding shaft (53) with the transmission shaft (6), and a rotating shaft of the first universal joint (51) and a rotating shaft of the second universal joint (54) are arranged in parallel.

7. The handle assembly according to claim 6, wherein the sliding barrel (52) is provided with a limiting hole (521), the length direction of the limiting hole (521) is parallel to the axis of the sliding barrel (52), the sliding shaft (53) is provided with a limiting pin (531), and the limiting pin (531) is inserted into the limiting hole (521).

8. The driving handle assembly according to any of claims 1 to 5, further comprising a positioning assembly (10), wherein the positioning assembly (10) is used for fixing the position of the handle (1).

9. The handle assembly according to any of claims 1 to 5, further comprising a coupling flange (7), wherein the coupling flange (7) is coaxially sleeved on the transmission shaft (6).

10. The transmission handle assembly according to any one of claims 1 to 5, further comprising a transmission gear (8), wherein the transmission gear (8) is coaxially sleeved on the transmission shaft (6).