CN212921129U

CN212921129U - Actuating mechanism for driving transmission to shift gears

Info

Publication number: CN212921129U
Application number: CN202021437269.3U
Authority: CN
Inventors: 金珍槿
Original assignee: Shanghai Sanli Huizhong Auto Parts Co ltd
Current assignee: Shanghai Sanli Huizhong Auto Parts Co ltd
Priority date: 2020-07-18
Filing date: 2020-07-18
Publication date: 2021-04-09
Anticipated expiration: 2030-07-18

Abstract

The utility model discloses an actuating mechanism that drive derailleur shifted, the on-line screen storage device comprises a base, and a housing, speed reducer and motor, the inside of base has the installation cavity, and fixed mounting has the assembly seat on the lateral surface of base, fixed mounting is on the double-screw bolt on the assembly seat, the lateral surface of base still fixed mounting has fixed ear, the inside rotation of fixed ear installs the bolt, and the bottom of fixed ear is equipped with the locking subassembly of suit at the bolt outside, the bottom border outside an organic whole of shell is equipped with annular connecting seat, and the upper portion an organic whole of shell is equipped with annular fixing base, annular connecting seat passes through the nut and installs on the double-screw bolt, speed reducer fixed mounting is in the inside of shell, and the output shaft of speed reducer passes through the bearing and installs the inside at annular. The utility model discloses, it is more convenient to install, is difficult for taking place the phenomenon that the pine takes off moreover after the installation to guarantee that this actuating mechanism that drives the derailleur and shift can carry out work steadily for a long time.

Description

Actuating mechanism for driving transmission to shift gears

Technical Field

The utility model relates to the field of automotive technology, more specifically say, in particular to actuating mechanism that drive transmission shifted.

Background

A transmission is a mechanism for changing the speed and torque from an engine, which can change the ratio of the output shaft to the input shaft, either fixed or in steps, also known as a gearbox. The speed variator consists of speed-changing transmission mechanism and control mechanism, and some vehicles also have power output mechanism. The transmission mechanism is mainly driven by common gears and also driven by planetary gears. The common gear transmission mechanism generally uses a sliding gear, a synchronizer and the like.

The transmission is generally driven by an actuating mechanism for driving the transmission to shift when shifting, the actuating mechanism for driving the transmission to shift is generally installed in a vehicle engine compartment as the transmission, however, the actuating mechanism for driving the transmission to shift in the prior art is not very convenient to install when being installed, and is easy to loosen after being installed, so that the actuating mechanism for driving the transmission to shift is difficult to ensure to work stably for a long time.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an actuating mechanism that drive transmission shifted to the actuating mechanism that the drive transmission who solves among the prior art shifted is not very easy to assemble when the installation, and takes place the phenomenon that the pine takes off easily after the installation, is difficult to guarantee that actuating mechanism that drive transmission shifted can carry out the problem of work steadily for a long time.

The utility model provides a pair of actuating mechanism that drive derailleur shifted, include:

the locking device comprises a base, a locking mechanism and a locking mechanism, wherein an installation cavity is arranged inside the base, an assembling seat is fixedly installed on the outer side surface of the base, a stud is fixedly installed on the assembling seat, a fixing lug is also fixedly installed on the outer side surface of the base, a bolt is rotatably installed inside the fixing lug, and an anti-loosening assembly sleeved outside the bolt is arranged at the bottom of the fixing lug;

the outer side of the bottom edge of the shell is integrally provided with an annular connecting seat, the upper part of the shell is integrally provided with an annular fixed seat, and the annular connecting seat is installed on the stud through a nut;

the speed reducer is fixedly arranged inside the shell, and an output shaft of the speed reducer is arranged inside the annular fixed seat through a bearing;

the motor is fixedly installed in the installation cavity of the base, and the rotating shaft of the motor is fixedly connected with the input shaft of the speed reducer through a coupler.

Optionally, the anti-loosening assembly includes a first spring seat, a spring and a second spring seat, the first spring seat is fixedly installed at the bottom of the fixing lug, the spring is fixedly installed at the bottom of the first spring seat, the second spring seat is fixedly installed at the bottom end of the spring, and the first spring seat, the spring and the second spring seat are all sleeved outside the bolt.

Optionally, a connecting key is further fixedly mounted at an end of the output shaft of the speed reducer, and a cross section of the connecting key is a regular hexagon.

Optionally, the reducer is a cycloidal pin gear reducer.

Optionally, the motor is a BLDC motor.

Optionally, the motor further comprises a controller, the controller is fixedly installed inside the installation cavity of the base, and the control output end of the controller is electrically connected with the electric control end of the motor.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model provides an actuating mechanism that drive derailleur shifted is by the base, and a housing, speed reducer and motor are constituteed, fixed mounting has the dress seat of joining in marriage on the lateral surface of base simultaneously, fixed mounting has the double-screw bolt on joining in marriage the dress seat, lateral surface fixed mounting at the base has fixed ear, and rotate in the inside of fixed ear and install the bolt, and be equipped with the locking subassembly of suit at the bolt outside in the bottom of fixed ear, under the combined action of bolt and locking subassembly that moves, not only make this actuating mechanism that drive derailleur shifted install more convenient, and the difficult phenomenon that takes place the pine and take off after the installation, thereby guarantee that this actuating mechanism that drive derailleur shifted can carry out work steadily for a long time.

Drawings

Fig. 1 is a schematic structural diagram of an actuator for shifting a transmission according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of an alternate perspective of an actuator for shifting a transmission according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of the detail view A of FIG. 2;

fig. 4 is an exploded schematic view of an actuator for shifting a transmission according to an embodiment of the present invention;

fig. 5 is an exploded view of an alternative perspective of an actuator for shifting a transmission according to an embodiment of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upstream," "downstream," and the like, indicate an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-5, an actuating mechanism for driving a transmission to shift gears comprises a base 1, a housing 2, a speed reducer 17 and a motor 15, wherein an installation cavity is arranged inside the base 1, an assembly seat 3 is fixedly installed on the outer side surface of the base 1, a stud 4 is fixedly installed on the assembly seat 3, a fixing lug 11 is also fixedly installed on the outer side surface of the base 1, a bolt 12 is rotatably installed inside the fixing lug 11, a loosening prevention assembly 13 sleeved outside the bolt 12 is arranged at the bottom of the fixing lug 11, an annular connecting seat 6 is integrally arranged on the outer side of the bottom edge of the housing 2, an annular fixing seat 7 is integrally arranged on the upper portion of the housing 2, the annular connecting seat 6 is installed on the stud 4 through a nut 5, the speed reducer 17 is fixedly installed inside the housing 2, an output shaft 9 of the speed reducer 17 is installed inside the annular fixing seat 7 through a bearing 8, and the, and the rotating shaft of the motor 15 is fixedly connected with the input shaft 18 of the speed reducer 17 through the coupling 14.

That is to say, the utility model provides an actuating mechanism that drive transmission shifted mainly by base 1, shell 2, speed reducer 17 and motor 15 are constituteed, fixed mounting joins in marriage dress seat 3 on base 1's lateral surface simultaneously, fixed mounting has double-screw bolt 4 on joining in marriage dress seat 3, lateral surface fixed mounting at base 1 has fixed ear 11, and install bolt 12 at the internal rotation of fixed ear 11, and be equipped with the suit in the outside locking subassembly 13 of bolt 12 in the bottom of fixed ear 11, under the combined action of bolt 12 and locking subassembly 13 that moves, not only make this actuating mechanism that drive transmission shifted installation more convenient, and the difficult phenomenon that takes place the pine and take off after the installation, thereby guarantee that this actuating mechanism that drive transmission shifted can work steadily for a long time.

It should be noted that, the utility model discloses do not limit to base 1,

shell

2 and 12 concrete structures of bolt, as long as can ensure that each part matches each other, reliable and stable carries out work can.

Optionally, as shown in fig. 3 and 4, the anti-loosening assembly 13 includes a first spring seat 131, a spring 132, and a second spring seat 133, the first spring seat 131 is fixedly installed at the bottom of the fixing lug 11, the spring 132 is fixedly installed at the bottom of the first spring seat 131, the second spring seat 133 is fixedly installed at the bottom end of the spring 132, and the first spring seat 131, the spring 132, and the second spring seat 133 are all sleeved outside the bolt 12.

That is to say, the anti-loosening assembly 13 is composed of the first spring seat 131, the spring 132 and the second spring seat 133, and when the anti-loosening assembly is used, the spring 132 can tightly support the second spring seat 133 when compressed, so that the fixing lug 11 can be tightened, the bolt 12 can be prevented from loosening, and the actuating mechanism for driving the transmission to shift gears is not easy to loosen after being installed.

It should be noted that, the present invention does not limit the specific structure of the first spring seat 131, the spring 132 and the second spring seat 133, so long as it can ensure that each component matches each other, works stably and reliably

Specifically, as shown in fig. 1, a connection key 10 is further fixedly mounted at an end of the output shaft 9 of the speed reducer 17, and the cross section of the connection key 10 is a regular hexagon. The connecting key 10 is used for connecting the output shaft 9 of the speed reducer 17 with a gear shifting component of the transmission, so that the actuating mechanism for driving the transmission to shift is conveniently connected with the transmission.

Specifically, the speed reducer 17 is a cycloidal pin gear speed reducer, which is a novel transmission device using a planetary transmission principle and adopting cycloidal pin gear meshing, and all the transmission devices of the cycloidal pin gear speed reducer can be divided into three parts: an input part, a deceleration part and an output part. The input shaft is equipped with a double eccentric sleeve which is dislocated by 180 deg., two roller bearings called rotating arms are mounted on the eccentric sleeve to form H mechanism, the central hole of two cycloidal gears is the roller path of the eccentric sleeve on the rotating arm bearing, and the cycloidal gears are meshed with a group of annularly arranged needle teeth on the needle gear to form an internal gearing speed reducing mechanism whose tooth difference is one tooth, in order to reduce friction, in the speed reducer whose speed ratio is small, the needle teeth are equipped with needle teeth sleeve, when the input shaft drives the eccentric sleeve to rotate for one circle, the motion of the cycloidal gear is changed into plane motion with revolution and rotation, when the input shaft rotates for one circle, the cycloidal gear also rotates for one circle, and the cycloidal gear rotates for one tooth in opposite direction to obtain speed reduction, then by means of W output mechanism, the low-speed rotation motion of the cycloidal gear is passed through pin shaft, the transmission is to the output shaft to obtain lower output rotational speed, the tooth number of pairs of simultaneous contact is many in the operation, and the overlap ratio is big, and the steady operation, the overload capacity is strong, and vibration and noise are low, and the model noise of various specifications is little. The speed reducer 17 has the advantages of reliable use and long service life.

Specifically, the motor 15 is a BLDC motor. The BLDC motor, namely the brushless DC motor, overcomes the congenital defect of the brush DC motor, and replaces a mechanical commutator with an electronic commutator, so that the brushless DC motor has the characteristics of good speed regulation performance of the DC motor and the like, and has the advantages of simple structure, no commutation spark, reliable operation, easy maintenance and the like of the AC motor, thereby ensuring that the actuating mechanism for driving the transmission to shift gears operates reliably and is easy to maintain.

Specifically, as shown in fig. 4, the electric vehicle further includes a controller 16, the controller 16 is fixedly installed inside the installation cavity of the base 1, and a control output end of the controller 16 is electrically connected to an electric control end of the motor 15.

That is, the controller 16 is used to control the motor 15 to operate automatically, so that the actuator driving the transmission to shift gears is highly intelligent.

It should be noted that the present invention does not limit the specific structure and the specific model of the controller 16, as long as it can ensure that each component matches each other, and works stably and reliably.

When the actuating mechanism for driving the transmission to shift is used specifically, the actuating mechanism for driving the transmission to shift is installed on the transmission by using the bolt 12, the output shaft 9 of the speed reducer 17 is connected with a shifting part of the transmission by using the connecting key 10, and meanwhile, the second spring seat 133 is abutted tightly under the action of the spring 132, so that the fixing lug 11 is tightened, the bolt 12 can be prevented from loosening, and the actuating mechanism for driving the transmission to shift is not easy to loosen after being installed.

Generally speaking, the utility model provides an actuating mechanism that drive transmission shifted is by base 1, shell 2, speed reducer 17 and motor 15 are constituteed, fixed mounting has the dress seat 3 of joining in marriage on base 1's lateral surface simultaneously, fixed mounting has double-screw bolt 4 on joining in marriage dress seat 3, lateral surface fixed mounting at base 1 has fixed ear 11, and rotate in the inside of fixed ear 11 and install bolt 12, and be equipped with the locking subassembly 13 of suit in bolt 12 outside in the bottom of fixed ear 11, under the combined action of bolt 12 and locking subassembly 13, not only make this actuating mechanism that drive transmission shifted installation more convenient, and the difficult phenomenon that takes place the pine and take off after the installation, thereby guarantee that this actuating mechanism that drive transmission shifted can work steadily for a long time.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. An actuator for actuating a transmission to shift gears, comprising:

2. The actuator for driving a transmission shift as set forth in claim 1, wherein said anti-loosening assembly includes a first spring seat, a spring and a second spring seat, said first spring seat is fixedly mounted at the bottom of said fixing lug, said spring is fixedly mounted at the bottom of said first spring seat, said second spring seat is fixedly mounted at the bottom end of said spring, and said first spring seat, said spring and said second spring seat are all sleeved outside said bolt.

3. The actuating mechanism for driving the gear shifting of the transmission according to claim 1, wherein a connecting key is fixedly arranged at the end part of the output shaft of the speed reducer, and the cross section of the connecting key is a regular hexagon.

4. The actuator of claim 1, wherein the reducer is a cycloidal pin gear reducer.

5. The actuator of claim 1, wherein the motor is a BLDC motor.

6. The shift actuator of claim 1, further comprising a controller, wherein the controller is fixedly mounted inside the mounting cavity of the base, and a control output of the controller is electrically connected to an electric control end of the motor.