CN211778842U

CN211778842U - Output shaft positioning mechanism

Info

Publication number: CN211778842U
Application number: CN201921992754.4U
Authority: CN
Inventors: 阳选彬
Original assignee: Chongqing Duai Electromechanical Equipment Manufacturing Co ltd
Current assignee: Chongqing Duai Electromechanical Equipment Manufacturing Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2020-10-27
Anticipated expiration: 2030-06-01

Abstract

The utility model discloses an output shaft positioning mechanism, including the speed reducer, the one end of speed reducer is provided with the output shaft, be provided with the ring channel on the circumference of output shaft, the circumference outside of output shaft is provided with the pinion stand, the pinion stand is connected with the one end of speed reducer, the one end of pinion stand is provided with the gear groove, the center of pinion stand is provided with keeps away the position hole, be provided with a plurality of spouts with the same one end in gear groove on the pinion stand, the gear inslot sets up the crown wheel, the crown wheel is provided with the helicla flute towards the one side outside the groove, be provided with the slider on the spout, the one side that the slider is close to the crown wheel is provided with the tooth's socket with helicla flute matched with, the one end that the slider is close to the. Has the advantages that: the utility model discloses possess restriction output shaft axial displacement, and make things convenient for the dismouting, be favorable to follow-up maintenance.

Description

Output shaft positioning mechanism

Technical Field

The utility model relates to an axle positioning mechanism field particularly, relates to an output shaft positioning mechanism.

Background

The output shaft is the shaft for outputting power, for example, the motor is used for converting electric power, hydraulic pressure or pneumatic pressure into mechanical power, and the output shaft is used for transmitting torque. The existing matching mode of the output shaft and the speed reducer is that one end of the output shaft stretches into the speed reducer to be in key connection transmission, the other end stretches out the speed reducer to be connected with a mechanical part, the speed reducer can have axial displacement in the operation process, the mechanical gear is not well meshed due to the phenomenon, and the problem of unilateral meshing is solved. The normal use of the speed reducer is influenced, and the service life of the equipment is reduced.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an output shaft positioning mechanism possesses the advantage that restriction output shaft axial displacement just makes things convenient for the dismouting, and then solves the output shaft and axial displacement appears and unilateral meshed problem appears.

(II) technical scheme

For realizing the above-mentioned advantage that possesses restriction output shaft axial displacement and make things convenient for the dismouting, the utility model discloses a specific technical scheme as follows:

an output shaft positioning mechanism comprises a speed reducer, wherein an output shaft is arranged at one end of the speed reducer, the circumference of the output shaft is provided with an annular groove, the outer side of the circumference of the output shaft is provided with a gear seat, the gear seat is connected with one end of the speed reducer, one end of the gear seat is provided with a gear groove, the center of the gear seat is provided with a position avoiding hole, the same end of the gear seat and the gear groove is provided with a plurality of sliding grooves, a crown wheel is arranged in the gear groove, a spiral groove is arranged on one surface of the crown wheel facing to the outside of the groove, a slide block is arranged on the slide groove, one surface of the sliding block close to the crown wheel is provided with a tooth socket matched with the spiral groove, one end of the sliding block close to the annular groove is provided with a stop block matched with the annular groove, the top of the gear seat is provided with a motor, and an output shaft of the motor is provided with a gear matched with the crown wheel.

Furthermore, in order to limit the components in the gear seat and prevent the components from falling off, a limiting plate is arranged in the gear groove.

Furthermore, in order to carry out spacingly to the part in the gear seat, prevent that the part from droing, the outside of limiting plate just is in be provided with the mounting groove on the circumference in gear groove, just be provided with the retaining ring in the mounting groove.

Furthermore, in order to enable the speed reducer to be installed on other equipment, an installation hole is formed in one end, far away from the speed reducer, of the gear seat.

Further, in order to enable the stop block to slide in the annular groove, the annular groove is in clearance fit with the stop block.

Further, in order to prolong the service life of the stop block, the stop block is arranged as a quenching piece.

(III) advantageous effects

Compared with the prior art, the utility model provides an output shaft positioning mechanism possesses following beneficial effect:

(1) through setting up ring channel, gear seat, gear groove etc to can restrict output shaft axial displacement and can not influence the output shaft and rotate, solve the output shaft and appear unilateral meshed problem because of axial displacement appears, and possess the advantage of making things convenient for the dismouting, thereby be favorable to subsequent maintenance.

(2) And the limiting plate and the check ring are arranged in the gear groove, so that the components in the gear seat are limited, and the components are prevented from falling off.

(3) And the mounting hole is formed in one end, far away from the speed reducer, of the gear seat, so that the speed reducer can be mounted with other equipment.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an output shaft positioning mechanism according to an embodiment of the present invention;

fig. 2 is one of the schematic structural diagrams related to the gear seat of the output shaft positioning mechanism according to the embodiment of the present invention;

fig. 3 is a second schematic structural diagram related to a gear seat of the output shaft positioning mechanism according to the embodiment of the present invention;

fig. 4 is a partial enlarged view at a of fig. 3;

fig. 5 is a schematic structural diagram of an output shaft positioning mechanism according to an embodiment of the present invention.

In the figure:

1. a speed reducer; 2. an output shaft; 3. an annular groove; 4. a gear seat; 5. a gear groove; 6. avoiding holes; 7. a chute; 8. a crown wheel; 9. a helical groove; 10. a slider; 11. a tooth socket; 12. a stopper; 13. a motor; 14. a gear; 15. a limiting plate; 16. mounting grooves; 17. a retainer ring; 18. and (7) installing holes.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides an output shaft positioning mechanism.

Referring now to the drawings and the detailed description, as shown in fig. 1-5, an output shaft positioning mechanism according to an embodiment of the present invention includes a speed reducer 1, an output shaft 2 is disposed at one end of the speed reducer 1, an annular groove 3 is disposed on the circumference of the output shaft 2, a gear seat 4 is disposed on the outer side of the circumference of the output shaft 2, the gear seat 4 is connected to one end of the speed reducer 1, a gear groove 5 is disposed at one end of the gear seat 4, a position-avoiding hole 6 is disposed at the center of the gear seat 4, a plurality of sliding grooves 7 are disposed on the gear seat 4 at the same end as the gear groove 5, a crown wheel 8 is disposed in the gear groove 5, a spiral groove 9 is disposed on the face of the crown wheel 8 facing the groove, a slider 10 is disposed on the sliding groove 7, a tooth groove 11 matched with the spiral groove 9 is disposed on the face of the slider 10 close to, a stop block 12 matched with the annular groove 3 is arranged at one end, close to the annular groove 3, of the sliding block 10, a motor 13 is arranged at the top end of the gear seat 4, and a gear 14 matched with the crown wheel 8 is arranged on an output shaft of the motor 13.

With the help of the above technical scheme, the utility model discloses possess restriction output shaft axial displacement, and make things convenient for the dismouting, be favorable to follow-up maintenance.

In one embodiment, the gear groove 5 is provided with a limit plate 15 inside the gear groove 5, so as to limit the components inside the gear seat 4 and prevent the components from falling off.

In one embodiment, the position limiting plate 15 is provided with an installation groove 16 on the outer side of the position limiting plate 15 and on the circumference of the gear groove 5, and a retaining ring 17 is arranged in the installation groove 16, so that the components in the gear seat 4 are limited and prevented from falling off.

In one embodiment, the gear seat 4 is provided with a mounting hole 18 at one end of the gear seat 4 far away from the speed reducer 1, so that the speed reducer 1 can be mounted with other equipment.

In one embodiment, the annular groove 3 is a clearance fit between the annular groove 3 and the stop 12, so that the stop 12 can slide in the annular groove 3.

In one embodiment, the stop block 12 is provided as a hardened member, thereby increasing the service life of the stop block 12.

The working principle is as follows: the utility model discloses when using, limiting plate 15 is installed in gear groove 5, retaining ring 17 is installed in mounting groove 16, motor 13 passes through output shaft drive gear 14 and rotates, gear 14 drives crown wheel 8 and rotates, crown wheel 8 passes through helicla flute 9 under the cooperation of tooth's socket 11, make slider 10 and dog 12 remove to the direction of ring channel 3, and enter into in the ring channel 3, thereby quick effectual restriction output shaft 2's axial float, when needs maintenance, above-mentioned part opposite movement, alright convenient dismantlement.

To sum up, with the help of the above technical scheme of the utility model, through setting up ring channel 3, gear seat 4, gear groove 5 etc to can restrict 2 axial displacement of output shaft and can not influence output shaft 2 and rotate, solve output shaft 2 and appear unilateral meshed problem because of axial displacement, and possess the advantage of making things convenient for the dismouting, thereby be favorable to subsequent maintenance.

In addition, through be provided with limiting plate 15 in gear groove 5, limiting plate 15's the outside just is in be provided with mounting groove 16 on gear groove 5's the circumference, just be provided with retaining ring 17 in the mounting groove 16 to carry on spacingly to the part in the gear seat 4, prevent that the part from droing. The reduction gear 1 can be mounted to another device by providing the mounting hole 18 at the end of the gear seat 4 remote from the reduction gear 1. The annular groove 3 and the stop block 12 are in clearance fit, so that the stop block 12 can slide in the annular groove 3. The stop block 12 is arranged as a quenching piece, so that the service life of the stop block 12 is prolonged.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An output shaft positioning mechanism comprises a speed reducer (1) and is characterized in that an output shaft (2) is arranged at one end of the speed reducer (1), an annular groove (3) is formed in the circumference of the output shaft (2), a gear seat (4) is arranged on the outer side of the circumference of the output shaft (2), the gear seat (4) is connected with one end of the speed reducer (1), a gear groove (5) is formed in one end of the gear seat (4), a position avoiding hole (6) is formed in the center of the gear seat (4), a plurality of sliding grooves (7) are formed in the same end of the gear seat (4) as the gear groove (5), a crown wheel (8) is arranged in the gear groove (5), a spiral groove (9) is formed in one side, facing the outer side of the groove, of the crown wheel (8), a sliding block (10) is arranged on the sliding groove (7), a tooth groove (11) matched with the spiral groove (9) is formed in one side, close to the, one end of the sliding block (10) close to the annular groove (3) is provided with a stop block (12) matched with the annular groove (3), the top end of the gear seat (4) is provided with a motor (13), and an output shaft of the motor (13) is provided with a gear (14) matched with the crown wheel (8).

2. An output shaft positioning mechanism according to claim 1, characterized in that a limiting plate (15) is arranged in the gear groove (5).

3. An output shaft positioning mechanism according to claim 2, characterized in that an installation groove (16) is provided outside the limit plate (15) and on the circumference of the gear groove (5), and a retaining ring (17) is provided in the installation groove (16).

4. An output shaft positioning mechanism according to claim 1, characterized in that the end of the gear seat (4) away from the reducer (1) is provided with a mounting hole (18).

5. An output shaft positioning mechanism according to claim 1, wherein the annular groove (3) is a clearance fit with the stop (12).

6. An output shaft positioning mechanism according to claim 1, wherein the stop (12) is provided as a hardened member.