阅读说明：本技术 传动装置及车载吸顶屏 (Transmission device and vehicle-mounted ceiling screen ) 是由 唐宪 于 2020-05-14 设计创作，主要内容包括：本发明提供一种传动装置及车载吸顶屏。所述传动装置包括：电机、联轴器、软轴及传动轴,所述电机具有电机轴；所述电机轴与所述联轴器的一端相连,所述联轴器的另一端与所述软轴的一端相连,所述软轴的另一端与所述传动轴相连,所述电机轴、联轴器、软轴及传动轴的轴线位于同一直线,所述传动装置通过联轴器和软轴组合连接电机轴和传动轴,能够降低因传动机构同心度差而导致的振动和噪音,提高传动系统的稳定性和可靠性。(The invention provides a transmission device and a vehicle-mounted ceiling screen. The transmission device includes: the motor is provided with a motor shaft; the motor shaft with the one end of shaft coupling links to each other, the other end of shaft coupling with the one end of flexible axle links to each other, the other end of flexible axle with the transmission shaft links to each other, the axis of motor shaft, shaft coupling, flexible axle and transmission shaft is located same straight line, transmission passes through shaft coupling and flexible axle built-up connection motor shaft and transmission shaft, can reduce because of the poor vibration and the noise that leads to of drive mechanism concentricity, improves transmission system's stability and reliability.)

1. A transmission, comprising: the device comprises a motor (1), a coupler (2), a flexible shaft (3) and a transmission shaft (4), wherein the motor (1) is provided with a motor shaft (101);

the motor shaft (101) with the one end of shaft coupling (2) links to each other, the other end of shaft coupling (2) with the one end of flexible axle (3) links to each other, the other end of flexible axle (3) with transmission shaft (4) link to each other, the axis of motor shaft (101), shaft coupling (2), flexible axle (3) and transmission shaft (4) is located collinear.

2. The transmission of claim 1, further comprising: the bearing comprises a first bearing seat (5), a second bearing seat (6), a third bearing seat (7), a first bearing (8), a second bearing (9), a third bearing (10) and a fixing piece (11);

the first bearing (8) is arranged in the first bearing seat (5), and the motor shaft (101) penetrates through the first bearing (8) to be connected with one end of the coupler (2);

the second bearing (9) is arranged in the second bearing seat (6), and one end of the transmission shaft (4) passes through the second bearing (9) and is connected with the other end of the flexible shaft (3);

the third bearing (10) is arranged in the third bearing seat (7), and the other end of the transmission shaft (4) passes through the third bearing (10) to be connected with the fixing piece (11).

3. The transmission of claim 2, further comprising: the first clamp spring (12), the first retainer ring (13) and the second retainer ring (14);

the other end of the transmission shaft (4) penetrates through the first clamp spring (12), the first retainer ring (13) and the second retainer ring (14) in sequence and then penetrates through the third bearing (10).

4. The transmission of claim 2, further comprising: a second clamp spring (15), a third retainer ring (16), a wave-shaped gasket (17) and a fourth retainer ring (18);

and the other end of the transmission shaft (4) penetrates through a third bearing (10) and then sequentially penetrates through a fourth check ring (18), a wave-shaped gasket (17), a third check ring (16) and a second snap spring (15) and then is connected with the fixing piece (11).

5. Transmission according to claim 2, wherein the motor (1) further has a housing (100), the motor shaft (101) protruding from the housing (100), the first bearing block (5) being fixedly connected to the housing (100).

6. Transmission according to claim 2, wherein the fixing element (11) is a screw.

7. Transmission according to claim 1, characterized in that the electric machine (1) is a reduction motor.

8. Transmission according to claim 1, wherein the motor shaft (101) and the transmission shaft (4) are both made of metal.

9. A transmission according to claim 2, wherein the first bearing (8), the second bearing (9) and the third bearing (10) are all rolling bearings.

10. A vehicle ceiling screen comprising the transmission of any one of claims 1 to 9.

Technical Field

The invention relates to the technical field of transmission, in particular to a transmission device and a vehicle-mounted ceiling screen.

Background

With the continuous improvement of living standard of people, the number of private cars is increasing day by day, various matching devices of the private cars are more and more complete, people enjoy different pleasures in traveling, wherein various vehicle-mounted screens are more and more popular among people, and the ceiling screen is particularly widely applied.

The vehicle-mounted ceiling screen is a vehicle-mounted comfortable and recreational device which is arranged on the top of a vehicle and is used for playing multimedia information. The existing vehicle-mounted ceiling screen is widely applied to large-scale vehicle types such as multipurpose vehicles, recreational vehicles and the like, and in a use state, the vehicle-mounted ceiling screen is opened, the display surface is perpendicular to the vehicle roof so as to be convenient for a user to watch, and in a closed state, the vehicle-mounted ceiling screen is folded, and the display surface is attached to the vehicle roof so as to save space.

According to the difference of the operation type of on-vehicle ceiling screen when opening and packing up, there is manually operation's on-vehicle ceiling screen and electrically operated on-vehicle ceiling screen, so-called manually operation is that manual work is opened or pack up on-vehicle ceiling screen for manual work, and electrically operated then drives on-vehicle ceiling screen by motor drive and opens or packs up, operating personnel to the motor send corresponding order can, compare in manually operation, electrically operated be used for experience better, little to driving safety's influence, more can show electronic product's science and technology and feel.

In the transmission device of the existing vehicle-mounted ceiling screen, the adopted transmission mode comprises the following steps:

1. the speed reducing motor and the transmission shaft adopt an integral fixing mode, the mode has the advantages of simple design concept and convenient and quick assembly, but also has the defects of transmission vibration, high noise and short service life of the motor;

2. the speed reducing motor and the transmission shaft adopt a split type fixing mode, the speed reducing motor and the transmission shaft are connected through the coupler, the mode is compared with an integral fixing mode, although the transmission stability is improved to some extent, the noise and the vibration are also reduced relatively, the improvement on the whole transmission effect still has certain deficiency, and the user needs cannot be completely met.

Therefore, a new transmission device is needed, which can effectively reduce the vibration and noise caused by poor concentricity of the transmission device, improve the noise reduction effect of the transmission device, and improve the stability and reliability of the transmission device.

Disclosure of Invention

The invention aims to provide a transmission device, which can reduce transmission noise and improve the working stability and reliability of the transmission device.

The invention also aims to provide a vehicle-mounted ceiling screen, and by adopting the transmission device, the transmission noise can be reduced, the working stability and reliability of a product can be improved, and the user experience can be improved.

To achieve the above object, the present invention provides a transmission device including: the motor is provided with a motor shaft;

the motor shaft with the one end of shaft coupling links to each other, the other end of shaft coupling with the one end of flexible axle links to each other, the other end of flexible axle with the transmission shaft links to each other, the axis of motor shaft, shaft coupling, flexible axle and transmission shaft is located collinear.

The transmission further includes: the bearing comprises a first bearing seat, a second bearing seat, a third bearing seat, a first bearing, a second bearing, a third bearing and a fixing piece;

the first bearing is arranged in the first bearing seat, and the motor shaft passes through the first bearing and is connected with one end of the coupler;

the second bearing is arranged in the second bearing seat, and one end of the transmission shaft passes through the second bearing and is connected with the other end of the flexible shaft;

the third bearing is installed in the third bearing seat, and the other end of the transmission shaft penetrates through the third bearing to be connected with the fixing piece.

The transmission further includes: the first clamp spring, the first retainer ring and the second retainer ring;

the other end of the transmission shaft penetrates through the first clamp spring, the first check ring and the second check ring in sequence and then penetrates through the third bearing.

The transmission further includes: the second clamp spring, the third retainer ring, the wave-shaped gasket and the fourth retainer ring;

and the other end of the transmission shaft penetrates through the third bearing and then sequentially penetrates through the fourth check ring, the wave-shaped gasket, the third check ring and the second clamp spring to be connected with the fixing piece.

The motor is also provided with a shell, the motor shaft extends out of the shell, and the first bearing seat is fixedly connected with the shell.

The fixing piece is a screw rod.

The motor is a speed reducing motor.

The motor shaft and the transmission shaft are made of metal.

The first bearing, the second bearing and the third bearing are all rolling bearings.

The invention also provides a vehicle-mounted ceiling screen which comprises the transmission device.

The invention has the beneficial effects that: the present invention provides a transmission device, comprising: the motor is provided with a motor shaft; the motor shaft with the one end of shaft coupling links to each other, the other end of shaft coupling with the one end of flexible axle links to each other, the other end of flexible axle with the transmission shaft links to each other, the axis of motor shaft, shaft coupling, flexible axle and transmission shaft is located same straight line, transmission passes through shaft coupling and flexible axle built-up connection motor shaft and transmission shaft, can reduce because of the poor vibration and the noise that leads to of drive mechanism concentricity, improves transmission system's stability and reliability. The invention further provides a vehicle-mounted ceiling screen, and by adopting the transmission device, the transmission noise can be reduced, the working stability and reliability of a product can be improved, and the user experience can be improved.

Drawings

For a better understanding of the nature and technical aspects of the present invention, reference should be made to the following detailed description of the invention, taken in conjunction with the accompanying drawings, which are provided for purposes of illustration and description and are not intended to limit the invention.

In the drawings, there is shown in the drawings,

FIG. 1 is an exploded view of the transmission of the present invention;

FIG. 2 is a combination view of the transmission of the present invention;

FIG. 3 is a schematic view of the vehicle ceiling screen of the present invention when closed;

fig. 4 is a schematic view of the vehicle ceiling screen of the present invention when it is half-opened.

Detailed Description

To further illustrate the technical means and effects of the present invention, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Referring to fig. 1 and 2, the present invention provides a transmission device, including: the device comprises a motor 1, a coupler 2, a flexible shaft 3 and a transmission shaft 4, wherein the motor 1 is provided with a motor shaft 101;

the motor shaft 101 with the one end of shaft coupling 2 links to each other, the other end of shaft coupling 2 with the one end of flexible axle 3 links to each other, the other end of flexible axle 3 with transmission shaft 4 links to each other, the axis of motor shaft 101, shaft coupling 2, flexible axle 3 and transmission shaft 4 is located same straight line.

Specifically, the motor 1 is a reduction motor.

Specifically, the motor 1 further has a housing 100, and the motor shaft 101 protrudes from the housing 100.

Further, one end of the motor shaft 101, which is far away from the housing 100, is provided with a first connecting portion having a D-shaped cross section, one end of the coupler 2 is provided with a first connecting groove corresponding to the first connecting portion, and the motor shaft 101 and one end of the coupler 2 are connected by inserting the first connecting portion into the first connecting groove.

Specifically, the transmission device further includes: a first bearing seat 5, a second bearing seat 6, a third bearing seat 7, a first bearing 8, a second bearing 9, a third bearing 10 and a fixing part 11;

the first bearing 8 is arranged in the first bearing seat 5, and the motor shaft 101 passes through the first bearing 8 and is connected with one end of the coupler 2;

the second bearing 9 is arranged in the second bearing seat 6, and one end of the transmission shaft 4 passes through the second bearing 9 and is connected with the other end of the flexible shaft 3;

the third bearing 10 is installed in the third bearing seat 7, and the other end of the transmission shaft 4 passes through the third bearing 10 and is connected with the fixing piece 11.

Preferably, the first bearing 8, the second bearing 9 and the third bearing 10 are both rolling bearings, although this is not a limitation of the present invention, and the first bearing 8, the second bearing 9 and the third bearing 10 may be other types of bearings, such as sliding bearings.

Specifically, the first bearing seat 5, the second bearing seat 6 and the third bearing seat 7 are fixed on the device to which the transmission device is to be mounted through threaded connection.

Further, the first bearing seat 5 is also fixedly connected with the housing 100 through a threaded connection.

Specifically, the transmission device further includes: a first clamp spring 12, a first retainer ring 13 and a second retainer ring 14;

the other end of the transmission shaft 4 sequentially penetrates through the first snap spring 12, the first retainer ring 13 and the second retainer ring 14 and then penetrates through the third bearing 10.

Specifically, the transmission device further includes: a second clamp spring 15, a third retainer ring 16, a wave-shaped gasket 17 and a fourth retainer ring 18; and the other end of the transmission shaft 4 penetrates through the third bearing 10 and then sequentially penetrates through the fourth check ring 18, the corrugated gasket 17, the third check ring 16 and the second snap spring 15 and then is connected with the fixing piece 11.

Specifically, the other end of the transmission shaft 4 has a second connection portion having a D-shaped cross-section, and the fixing member 11 has a second connection groove corresponding to the second connection portion, and the other end of the transmission shaft 4 and the fixing member 11 are connected by inserting the second connection portion into the second connection groove.

Preferably, the fixing member 11 is a screw.

Preferably, the motor shaft 101 and the transmission shaft 4 are made of metal.

It should be noted that the transmission device of the present invention can be divided into four parts according to different functions, which are respectively: the power part, transmission part, fixed support part and auxiliary part, the power part includes motor 1, transmission part includes: the transmission shaft 2, the flexible shaft 3 and the coupling 4; the fixed supporting part comprises a first bearing seat 5, a second bearing seat 6, a third bearing seat 7 and a fixing part 11; the auxiliary portion includes: a first bearing 8, a second bearing 9, a third bearing 10, a first clamp spring 12, a first retainer ring 13, a second retainer ring 14, a second clamp spring 15, a third retainer ring 16, a wave-shaped gasket 17 and a fourth retainer ring 18, wherein, the motor shaft 101 is fixed on the first bearing seat 5, the transmission shaft 4 is fixed between the second bearing seat 6 and the third bearing seat 7, the motor shaft 101 is connected with the transmission shaft 4 through the coupling 2 and the flexible shaft 3 in turn, when in work, when axial force acts on the transmission shaft 4, buffering adjustment is carried out through the wave form gasket 17, when realizing partly vibration/noise reduction function, motor shaft 101 passes through shaft coupling 2 and adds flexible axle 3 and transmission shaft 4 and connect, further reduces again because of the not good vibration and the noise that arouse of drive mechanism concentricity, has promoted transmission's whole vibration/noise reduction effect by a wide margin, has improved transmission's stability and reliability.

Based on the transmission device, the invention further provides a vehicle-mounted ceiling screen which comprises the transmission device, and the transmission device is used for driving the vehicle-mounted ceiling screen to be opened and retracted.

Specifically, as shown in fig. 3 and 4, in some embodiments of the present invention, the vehicle-mounted ceiling screen includes a screen holder 301, a screen support 302, a support front cover 303, a first fixing assembly 304, a second fixing assembly 305, and the transmission device 306, the first bearing seat 5, the second bearing seat 6, and the third bearing seat 7 are fixed on the screen support 302, the fixing member 11 is fixed at one end of the screen holder 301 through the first fixing assembly 304, one end of the screen support 302 away from the fixing member 11 is connected to the other end of the screen holder 301 through the second fixing assembly 305, the support front cover 303 is connected to the screen support 302, and the support front cover 303 is in transmission connection with the transmission shaft 2, the transmission shaft 2 can drive the support front cover 303 to rotate, so that the screen holder 302 is driven to rotate by the support front cover 303, the vehicle-mounted ceiling screen is opened and retracted.

In summary, the present invention provides a transmission device, comprising: the motor is provided with a motor shaft; the motor shaft with the one end of shaft coupling links to each other, the other end of shaft coupling with the one end of flexible axle links to each other, the other end of flexible axle with the transmission shaft links to each other, the axis of motor shaft, shaft coupling, flexible axle and transmission shaft is located same straight line, transmission passes through shaft coupling and flexible axle built-up connection motor shaft and transmission shaft, can reduce because of the poor vibration and the noise that leads to of drive mechanism concentricity, improves transmission system's stability and reliability. The invention further provides a vehicle-mounted ceiling screen, and by adopting the transmission device, the transmission noise can be reduced, the working stability and reliability of a product can be improved, and the user experience can be improved.

As described above, it will be apparent to those skilled in the art that other various changes and modifications may be made based on the technical solution and concept of the present invention, and all such changes and modifications are intended to fall within the scope of the appended claims.