CN216231994U - Rolling curtain mechanism for automobile - Google Patents

Abstract

The utility model discloses a rolling shutter mechanism for an automobile, which comprises a rolling shutter accommodating box with an opening at the upper end, a rolling shutter for closing and opening the opening, a first guide rail and a second guide rail which are arranged at the two ends of the rolling shutter accommodating box and used for sliding the rolling shutter, a rotating gear used for driving the rolling shutter to slide, a driven bevel gear which is coaxially arranged with the rotating gear and synchronously rotates, a driving bevel gear engaged with the driven bevel gear, and a motor which is used for driving the driving bevel gear to drive the driving bevel gear to positively transmit, reversely rotate or stop rotating; and a clutch mechanism is arranged between the driving bevel gear and the motor. The rotating gear can drive the roller shutter to slide, so that the roller shutter can be opened and closed smoothly and has stable function; the driving bevel gear is driven to rotate by the rotating motor so as to drive the driven bevel gear to rotate, and the rotating direction of the rotating motor is transmitted; the clutch mechanism is arranged, so that two driving modes of manual driving and electric driving can be realized.

Description

Rolling curtain mechanism for automobile

Technical Field

The utility model relates to the technical field of automobile parts, in particular to a roller shutter mechanism for an automobile.

Background

With the social progress and the improvement of living standard, automobiles are more and more popular, and the requirements of people on the comfort and interior parts of the automobiles are higher and higher. Roller blind mechanisms are widely used in automobiles, including sunshade, sunroof, console box, and the like. The armrest box of the automobile auxiliary instrument panel is a main structure in a vehicle, and when the armrest box provides elbow support for a driver, the armrest box further has a storage function, the existing armrest box of the automobile auxiliary instrument panel is mostly overturned or opened in two ways, the armrest box is opened and closed manually and mechanically operated, the pursuit of the conventional armrest to automobile functionality, controllability and personalized fashion sense is improved along with the pursuit of consumers, the conventional armrest is inconvenient to operate and easy to produce aesthetic fatigue to terminal consumers, a brand-new rolling armrest box needs to be developed, the inconvenience of manually and mechanically operating the armrest box of the automobile auxiliary instrument panel is solved, and meanwhile, the pursuit of the consumers to automobile functionality and fashion sense is met.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to solve the technical problem of providing an automobile roller shutter mechanism, wherein a rotating gear can drive a roller shutter to slide, so that the roller shutter is smoothly opened and closed and has stable functions; the driving bevel gear is driven to rotate by the rotating motor so as to drive the driven bevel gear to rotate, and the rotating direction of the rotating motor is transmitted; the clutch mechanism is arranged, so that two driving modes of manual driving and electric driving can be realized.

(II) technical scheme

The utility model solves the technical problem by adopting the scheme that the automobile roller shutter mechanism comprises a roller shutter accommodating box with an opening at the upper end, a roller shutter for closing and opening the opening, a first guide rail and a second guide rail which are arranged at the two ends of the roller shutter accommodating box and used for the sliding of the roller shutter, a rotating gear used for driving the roller shutter to slide, a driven bevel gear which is coaxially arranged with the rotating gear and synchronously rotates, a driving bevel gear engaged with the driven bevel gear, and a motor which drives the driving bevel gear to positively transmit, reversely rotate or stop rotating; and a clutch mechanism is arranged between the driving bevel gear and the motor.

Further, the axes of the driving bevel gear and the driven bevel gear are vertically intersected.

Preferably, the rolling shutter accommodating box has a support frame for supporting the driving bevel gear, the support frame having a through hole through which a gear shaft of the driving bevel gear passes.

Preferably, support plates are arranged at two ends of the roller shutter accommodating box, and the tops of the two support plates are respectively provided with the first guide rail and the second guide rail; wherein the first guide rail and the second guide rail are respectively provided with a straight section slide guide rail and a bent section slide guide rail; and the bent section sliding guide rail is formed by extending one side of the straight section sliding guide rail, which is far away from the opening end of the roller shutter accommodating box, and extends to the lower ends of the first guide rail and the second guide rail. The setting of curved section sliding guide rail is convenient the roll up curtain is accomodate to the lower part of rolling up curtain containing box along first guide rail and second guide rail, has reduced the specification size of rolling up curtain containing box, has reduced occupation space. Specifically, the two support plates are detachably mounted on the roller shutter accommodating box through screws; the motor is detachably arranged on the roller shutter accommodating box through a screw.

Preferably, the rotating gear is arranged at one end of the rolling shutter accommodating box far away from the opening end of the rolling shutter accommodating box.

Preferably, the top of the roller shutter accommodating box is provided with a panel, and the panel is detachably arranged on the roller shutter accommodating box through a buckle connection mode and/or a screw.

By adopting the scheme, the roller shutter is driven by the rotating gear to slide back and forth along the first guide rail and the second guide rail, so that the roller shutter can seal and open the opening of the roller shutter accommodating box; the rotation direction can be changed through the meshing transmission of the driving bevel gear and the driven bevel gear, the forward rotation and the reverse rotation of the motor are matched, and the rotation direction of the rotating motor is transmitted; meanwhile, a clutch mechanism is arranged between the driving bevel gear and the motor, when the motor is powered off and the like, the motor and the roller shutter are separated in a transmission mode, so that the roller shutter can be opened and closed manually, a double-safety effect is achieved, and the roller shutter can be switched between a manual mode and an electric control mode at will.

Furthermore, the rotating gear comprises a first rotating gear and a second rotating gear which are meshed with and driven by two ends of the roller shutter to synchronously rotate, and the first rotating gear, the second rotating gear and the driven bevel gear are connected through a rotating shaft.

Preferably, the first rotation gear and the second rotation gear are respectively limited between the first guide rail and the second guide rail, so that the first rotation gear and the second rotation gear can be prevented from moving left and right, and the stability is higher.

Preferably, two ends of the driven bevel gear are respectively connected and matched with the first rotating gear and the second rotating gear through screws, so that the transmission stability is improved.

Preferably, the two support plates are provided with rotating shaft holes matched with the rotating shaft, so that the rotating shaft can be matched with the rotating shaft holes to rotate, the rotating shaft rotates stably without deviation, and the safety is improved; and the rotating shaft penetrates through the rolling curtain accommodating box and then is matched with the two supporting plates to rotate, so that the whole body is more stable.

Specifically, the motor can drive the rotating shaft to rotate forwards, reversely or stop rotating.

Furthermore, clutch mechanism include with the driving disc that the axial region of initiative bevel gear is connected, locate the driving disc with reset between the terminal surface of initiative bevel gear, and cup joint on the motor shaft of motor and with the driven motor disc of driving disc contact.

Further, the transmission disc is limited on the shaft part of the driving bevel gear through a shaft sleeve.

Preferably, the reset member comprises a compression spring.

Preferably, the shaft sleeve is detachably mounted on the driving bevel gear through a screw, and the transmission disc and the pressure spring are fixed and cannot be separated; one side, far away from the motor, of the driving bevel gear is limited through a first guide rail, the driving bevel gear is prevented from moving left and right, and the transmission stability is improved.

Preferably, the motor disc comprises an installation part sleeved on a motor shaft, a motor supporting plate is sleeved on the installation part, and the motor supporting plate is detachably installed on the roller shutter accommodating box through screws.

Specifically, the driving bevel gear is limited by the position of the motor and the first guide rail, and the pressure spring is compressed; the pressure spring can apply pressure to the transmission disc to enable the transmission disc and the motor disc to be pressed tightly, wherein the contact surface of the transmission disc and the motor disc can be textured or has some characteristics of mutual engagement to enable the friction force of the transmission disc and the motor disc to be increased, so that the motor can drive the transmission disc to rotate under the action of the friction force to enable the driving bevel gear to rotate, the driving bevel gear drives the rotating gear to rotate, and the roller shutter meshed with the rotating gear slides; meanwhile, the torque is transmitted by the friction force, so that the opening speed of the roller shutter can be reduced, and the roller shutter can be opened and closed stably. More specifically, the roller shutter is manually operated to slide to drive the rotating gear to rotate, the driving bevel gear is driven to rotate, and the friction force of the contact surfaces of the transmission disc and the motor disc is adjusted, so that the roller shutter is not limited by the motor during manual operation.

Furthermore, the counting device comprises a counting turntable sleeved on the rotating shaft, a counter matched with the counting turntable and an opening and closing button for controlling the roller shutter.

Preferably, a plurality of round holes are formed in the counting rotary disc along the circumferential direction, so that the counting function of the counter is realized, and the rolling screen is controlled to be opened and closed.

Preferably, the opening and closing button includes an opening button and a closing button, and is disposed between the panel and the roll screen storage compartment.

Further, the counting device further comprises a wire harness for connecting the motor and the opening and closing button.

By adopting the scheme, the signal connection is realized through the wire harness, and the forward rotation and the reverse rotation of the motor can be realized through the operation button.

Further, the counting device also comprises a Bluetooth for signal connection of the motor and the opening and closing button.

Adopt above-mentioned scheme, the setting of sensor has and avoids the foreign matter to block to make the roll curtain damage or prevent to clip the effect of finger.

Further, the roller shutter further comprises an assembling pin for calibrating an assembling position of the first rotating gear and the second rotating gear, wherein the assembling pin passes through the roller shutter accommodating box and is inserted into the first rotating gear or the second rotating gear.

Further, a sensor for detecting an obstacle is arranged on the first guide rail and/or the second guide rail.

Adopt above-mentioned scheme, the setting of sensor has and avoids the foreign matter to block to make the roll curtain damage or prevent to clip the effect of finger.

Specifically, when the opening button is clicked, the motor is started, the motor disc rotates, the transmission disc is rotated through friction force, so that the driving bevel gear rotates, the driving bevel gear drives the driven bevel gear to be in meshing transmission, the first rotating gear and the second rotating gear rotate and drive the roller shutters to open, the opening position is controlled through the counter, and the roller shutter opening function is achieved; when the closing button is clicked, the motor rotates reversely, the motor disc rotates, the transmission disc rotates through friction force, so that the driving bevel gear rotates, the driving bevel gear drives the driven bevel gear to be in meshing transmission, the first rotating gear and the second rotating gear rotate reversely and drive the roller shutters to close, and the closing position is controlled through the counter; when the roller shutter is closed, if foreign matters block the opening position of the roller shutter, the sensor triggers the motor to stop working, and the roller shutter stops moving; when the foreign matter is taken out, the sensor receives information to enable the motor to continue to work normally, and the roller shutter is closed.

(III) advantageous effects

Compared with the prior art, the utility model designs a rolling shutter mechanism for the automobile;

(1) the rolling curtain is driven by the rotating gear to slide back and forth along the first guide rail and the second guide rail so as to realize the closing and opening of the rolling curtain to the opening of the rolling curtain accommodating box;

(2) the rotation direction can be changed through the meshing transmission of the driving bevel gear and the driven bevel gear, the forward rotation and the reverse rotation of the motor are matched, and the rotation direction of the rotating motor is transmitted;

(3) a clutch mechanism is arranged between the driving bevel gear and the motor, and when the motor is powered off and the like, the motor and the roller shutter are separated in a transmission way, so that the roller shutter can be opened and closed manually, a double-safety effect is achieved, and the roller shutter can be switched between a manual mode and an electric control mode at will;

(4) the counting turntable is matched with the counter, so that the counting function of the counter is realized, and the opening and closing of the roller shutter are controlled;

(5) the sensor has the effect of preventing foreign matters from blocking the roller shutter to damage or prevent fingers from being clamped.

Drawings

Fig. 1 is a first schematic view of a rolling shutter mechanism for an automobile according to a first embodiment;

FIG. 2 is a second schematic view of a roller shutter mechanism for an automobile according to a first embodiment;

FIG. 3 is a third schematic view of a roller shutter mechanism for an automobile according to the first embodiment;

FIG. 4 is a fourth schematic view of a roller shutter mechanism for an automobile according to the first embodiment;

FIG. 5 is a fifth schematic view of a roller shutter mechanism for an automobile according to the first embodiment;

FIG. 6 is a schematic view of the operation of a roller blind mechanism for an automobile according to a first embodiment;

FIG. 7 is a sixth schematic view of a roller shutter mechanism for an automobile according to the first embodiment;

FIG. 8 is a cross-sectional view taken at A-A of FIG. 7;

FIG. 9 is a cross-sectional view taken along line B-B of FIG. 7;

fig. 10 is a schematic view of a rolling shutter mechanism for an automobile according to a second embodiment.

Description of reference numerals: 101. a rolling shutter accommodating box; 101-1, a support frame; 102. rolling a curtain; 103. a first guide rail; 104. a second guide rail; 105. a rotating gear; 105-1, a first rotation gear; 105-2, a second rotating gear; 105-3, a rotating shaft; 106. a motor; 107. a driven bevel gear; 108. a driving bevel gear; 109. a clutch mechanism; 109-1, a transmission disc; 109-1a and a shaft sleeve; 109-2, a reset piece; 109-3, motor disc; 110. a counting turntable; 110-1, round holes; 111. a counter; 112. an open-close button; 112-1, open button; 112-2, close button; 113. a wire harness; 114. assembling a pin; 115. a sensor; 116. a support plate; 117. a panel; 118. motor backup pad.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

FIG. 2 is a schematic view of the sensor placement; FIG. 3 is a schematic view of the assembly of the rotary gear and the roller blind;

FIG. 4 is an assembly view of the motor driving the rotating gear; FIG. 5 shows the engagement of the clutch mechanism; fig. 6 shows the matching condition of the motor, the clutch mechanism, the driving bevel gear, the rotating gear and the roller shutter.

The first embodiment is as follows:

as shown in fig. 1-7, the rolling blind mechanism for the automobile of the present embodiment includes a rolling blind accommodating box 101 with an opening at the upper end, a rolling blind 102 for closing and opening the opening, a first guide rail 103 and a second guide rail 104 provided at both ends of the rolling blind accommodating box 101 for sliding the rolling blind 102, a rotating gear 105 for driving the rolling blind 102 to slide, a driven bevel gear 107 coaxially disposed with the rotating gear 105 and rotating synchronously, a driving bevel gear 108 engaged with the driven bevel gear 107, and a motor 106 for powering the driving bevel gear 108 and driving the driving bevel gear to rotate forward, backward or stop; wherein a clutch mechanism 109 is arranged between the driving bevel gear 108 and the motor 106. Further, the axes of the driving bevel gear 108 and the driven bevel gear 107 perpendicularly intersect. Preferably, the roll screen housing 101 has a support frame 101-1 for supporting the driving bevel gear 108, and the support frame 101-1 has a through hole through which a gear shaft of the driving bevel gear 108 passes. Preferably, support plates 116 are disposed at two ends of the roller blind accommodating box 101, and the tops of the two support plates 116 are respectively provided with the first guide rail 103 and the second guide rail 104; wherein the first guide rail 103 and the second guide rail 104 are respectively provided with a straight section slide guide rail and a bent section slide guide rail; and the bent sliding guide rail is formed by extending one side of the straight sliding guide rail far away from the opening end of the roller shutter accommodating box 101 and extends to the lower ends of the first guide rail 103 and the second guide rail 104. The arrangement of the curved sliding guide rail facilitates the rolling curtain 102 to be stored in the lower part of the rolling curtain containing box 101 along the first guide rail 103 and the second guide rail 104, so that the specification size of the rolling curtain containing box 101 is reduced, and the occupied space is reduced. Specifically, the two support plates 116 are detachably mounted on the roller blind accommodating box 101 by screws; the motor 106 is detachably mounted to the roll screen housing 101 by screws. Preferably, the rotating gear 105 is provided at an end of the rolling shutter accommodating case 101 away from the opening end thereof. Preferably, a panel 117 is installed on the top of the rolling shutter accommodating box 101, and the panel 117 is detachably installed on the rolling shutter accommodating box 101 by a snap connection manner and a screw. With the above scheme, the rolling shutter 102 is driven by the rotating gear 105 to slide back and forth along the first guide rail 103 and the second guide rail 104, so that the rolling shutter 102 closes and opens the opening of the rolling shutter accommodating box 101; the rotation direction can be changed in a reverse direction through the meshing transmission of the driving bevel gear 108 and the driven bevel gear 107, the forward rotation and the reverse rotation of the motor 106 are matched, and the rotation direction of the motor 106 is transmitted; meanwhile, a clutch mechanism 109 is arranged between the driving bevel gear 108 and the motor 106, and when the motor 106 is powered off, the motor 106 and the roller shutter 102 are separated in a transmission manner, so that the roller shutter 102 can be opened and closed manually, a double-insurance effect is achieved, and the roller shutter can be switched between a manual mode and an electric control mode.

As shown in fig. 6 to 7, further, the rotation gear 105 includes a first rotation gear 105-1 and a second rotation gear 105-2 which are synchronously rotated and respectively engaged with both ends of the roll screen 102, and the first rotation gear 105-1, the second rotation gear 105-2, and the driven bevel gear 107 are connected by a rotation shaft 105-3. Preferably, the first rotation gear 105-1 and the second rotation gear 105-2 are respectively limited between the first guide rail 103 and the second guide rail 104, so that the first rotation gear 105-1 and the second rotation gear 105-2 can be prevented from moving left and right, and the stability is higher. Preferably, two ends of the driven bevel gear 107 are respectively connected and fixed with the first rotating gear 105-1 and the second rotating gear 105-2 through screws, so that the transmission stability is improved. Preferably, the two support plates 116 are provided with rotating shaft holes matched with the rotating shaft 105-3, so that the rotating shaft 105-3 can be matched to rotate in the rotating shaft holes, the rotating shaft 105-3 rotates stably without deviation, and the safety is improved; and the rotating shaft 105-3 is matched with the two supporting plates 116 to rotate after penetrating through the roller shutter accommodating box 101, so that the whole body is more stable. Specifically, the motor 106 is operable to drive the rotating shaft 105-3 in a forward, reverse, or stall direction.

As shown in fig. 4, 6-9, further, the clutch mechanism 109 includes a driving plate 109-1 connected to the shaft portion of the driving bevel gear 108, a reset element 109-2 disposed between the driving plate 109-1 and the end surface of the driving bevel gear 108, and a motor disc 109-3 sleeved on the shaft of the motor 106 and driven by the driving plate 109-1 in contact with the driving plate. Further, the driving plate 109-1 is restricted to the shaft portion of the driving bevel gear 108 by a boss 109-1 a. Preferably, the reset element 109-2 comprises a compression spring. Preferably, the shaft sleeve 109-1a is detachably mounted on the driving bevel gear 108 through a screw, and the transmission disc 109-1 and the compression spring are fixed and cannot be separated; one side of the driving bevel gear 108, which is far away from the motor 106, is limited by the first guide rail 103, so that the driving bevel gear 108 is prevented from moving left and right, and the stability of transmission is improved. Preferably, the motor disc 109-3 includes a mounting portion sleeved on the shaft of the motor 106, the mounting portion is sleeved with a motor support plate 118, and the motor support plate 118 is detachably mounted on the roller blind accommodating box 101 through a screw. Specifically, the compression spring is compressed due to the position of the motor 106 and the restriction of the driving bevel gear 108 by the first guide rail 103; then, the pressure spring can apply a pressure to the transmission disc 109-1 to press the transmission disc 109-1 and the motor disc 109-3, wherein the contact surface between the transmission disc 109-1 and the motor disc 109-3 can be textured or have some characteristics of mutual engagement to increase the friction force thereof, so that the rotation of the motor 106 can drive the transmission disc 109-1 to rotate under the action of the friction force to further drive the driving bevel gear 108 to rotate, and the driving bevel gear 108 drives the rotating gear 105 to rotate, thereby realizing the sliding of the roller blind 102 engaged with the rotating gear 105; meanwhile, the torque is transmitted by friction force, so that the opening speed of the roller shutter 102 can be reduced, and the roller shutter 102 can be opened and closed smoothly. More specifically, when the manually operated roller shutter 102 slides to drive the rotation gear 105 to rotate, the driving bevel gear 108 is driven to rotate, and the friction force of the contact surface between the transmission disc 109-1 and the motor disc 109-3 is adjusted, so that the manually operated roller shutter is not limited by the motor 106.

As shown in fig. 1 and fig. 6, further, the roller shutter further comprises a counting device, wherein the counting device comprises a counting dial 110 sleeved on the rotating shaft 105-3, a counter 111 matched with the counting dial 110, and an opening and closing button 112 for operating the roller shutter 102. Preferably, the counting turntable 110 is provided with a plurality of circular holes 110-1 along the circumferential direction, so as to realize the counting function of the counter 111, thereby controlling the rolling curtain 102 to be opened or closed. Preferably, the opening and closing button 112 includes an opening button 112-1 and a closing button 112-2, and is disposed between the panel 117 and the roll screen receiving box 101. Further, the counting device further includes a wire harness 113 for connecting the motor 106 and the open/close button 112. By adopting the scheme, the signal connection is realized through the wire harness 113, and the forward rotation and the reverse rotation of the motor 106 can be realized through the operation button.

As shown in fig. 2 and 4, further, a fitting pin 114 for aligning the fitting positions of the first and second rotating gears 105-1 and 105-2 is further included, and the fitting pin 114 passes through the roll screen housing box 101 and is inserted into the second rotating gear 105-2. Further, a sensor 115 for detecting an obstacle is disposed on the first guide rail 103 and the second guide rail 104. With the above scheme, the sensor 115 has an effect of preventing the roller shutter 102 from being damaged or fingers from being clamped due to blocking of foreign matters.

Example two:

the present embodiment is different from the first embodiment in that:

as shown in fig. 10, the present embodiment is not shown in the bluetooth diagram for signal connection between the motor 106 and the open/close button 112. By adopting the scheme, signal connection is realized through Bluetooth, and forward rotation and reverse rotation of the motor 106 can be realized through the operation buttons.

The working principle of the utility model is as follows:

specifically, when the opening button 112-1 is clicked, the motor 106 is started, the motor disc 109-3 rotates, the transmission disc 109-1 rotates through friction force, so that the driving bevel gear 108 rotates, the driving bevel gear 108 drives the driven bevel gear 107 to engage for transmission, the first rotating gear 105-1 and the second rotating gear 105-2 rotate and drive the roller shutter 102 to open, and the opening position is controlled through the counter 111, so that the roller shutter 102 is opened;

when the closing button 112-2 is clicked, the motor 106 rotates in the reverse direction, the motor disc 109-3 rotates, the transmission disc 109-1 rotates through friction force, so that the driving bevel gear 108 rotates, the driving bevel gear 108 drives the driven bevel gear 107 to engage for transmission, the first rotating gear 105-1 and the second rotating gear 105-2 rotate in the reverse direction, the roller shutter 102 is driven to close, and the closing position is controlled through the counter 111; when the roller shutter 102 is closed, if a foreign object blocks at the opening position of the roller shutter 102, the sensor 115 triggers the motor 106 to stop working, and the roller shutter 102 stops moving; when the foreign matter is taken out, the sensor 115 receives the information to enable the motor 106 to continue to work normally, and the roller shutter 102 is closed.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims (10)

1. A rolling curtain mechanism for an automobile is characterized in that: the automatic opening and closing device comprises a rolling curtain accommodating box (101) with an opening at the upper end, a rolling curtain (102) for closing and opening the opening, a first guide rail (103) and a second guide rail (104) which are arranged at two ends of the rolling curtain accommodating box (101) and used for the sliding of the rolling curtain (102), a rotating gear (105) used for driving the rolling curtain (102) to slide, a driven bevel gear (107) which is coaxially arranged with the rotating gear (105) and rotates synchronously, a driving bevel gear (108) engaged with the driven bevel gear (107), and a motor (106) which drives the driving bevel gear (108) to rotate forwards, backwards or stop; wherein a clutch mechanism (109) is arranged between the driving bevel gear (108) and the motor (106).

2. The rolling shutter mechanism for automobile according to claim 1, characterized in that: the axes of the driving bevel gear (108) and the driven bevel gear (107) are vertically intersected.

3. The rolling shutter mechanism for automobile according to claim 1, characterized in that: the rotating gear (105) comprises a first rotating gear (105-1) and a second rotating gear (105-2) which are meshed with and driven by two ends of the roller shutter (102) respectively and rotate synchronously, and the first rotating gear (105-1), the second rotating gear (105-2) and the driven bevel gear (107) are connected through a rotating shaft (105-3).

4. The rolling shutter mechanism for automobile according to claim 1, characterized in that: the clutch mechanism (109) comprises a transmission disc (109-1) connected with the shaft part of the driving bevel gear (108), a reset piece (109-2) arranged between the transmission disc (109-1) and the end face of the driving bevel gear (108), and a motor disc (109-3) sleeved on a motor shaft of the motor (106) and in contact transmission with the transmission disc (109-1).

5. The rolling shutter mechanism for automobile according to claim 4, characterized in that: the transmission disc (109-1) is limited on the shaft part of the driving bevel gear (108) through a shaft sleeve (109-1 a).

6. The rolling shutter mechanism for automobile according to claim 3, characterized in that: the counting device comprises a counting turntable (110) sleeved on the rotating shaft (105-3), a counter (111) matched with the counting turntable (110), and an opening and closing button (112) for controlling the roller shutter (102).

7. The rolling shutter mechanism for automobile according to claim 6, characterized in that: the counting device further comprises a wire harness (113) for connecting the motor (106) and the opening and closing button (112).

8. The rolling shutter mechanism for automobile according to claim 6, characterized in that: the counting device also comprises Bluetooth for signal connection of the motor (106) and the opening and closing button (112).

9. The rolling shutter mechanism for automobile according to claim 3, characterized in that: and an assembly pin (114) for aligning an assembly position of the first rotation gear (105-1) and the second rotation gear (105-2), the assembly pin (114) passing through the roll screen housing box (101) and being inserted into the first rotation gear (105-1) or the second rotation gear (105-2).

10. The rolling shutter mechanism for automobile according to claim 1, characterized in that: a sensor (115) for detecting an obstacle is arranged on the first guide rail (103) and/or the second guide rail (104).

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