Trimming device for automobile active air-inlet grille

Abstract

The utility model relates to the technical field of automobile part machining, in particular to a trimming device for an automobile active air-inlet grille, which comprises a base, the inner wall of the base is rotatably connected with the outer walls, close to the two ends, of a transmission part respectively, a main transmission shaft is driven by a motor to rotate, and then a transmission belt is driven to move. A main transmission shaft drives a first transmission belt to move so as to drive a first rotating shaft and a second rotating shaft below to rotate, a driving lever pushes a transmission block to rotate, a fan-shaped block is matched with an arc surface to realize intermittence, and due to the alternate action of the driving lever and the fan-shaped block, the transmission block can drive a transmission main gear so as to drive a transmission secondary gear to intermittently rotate in a reciprocating manner; when the conveying belt conveys the air-inlet grille, the limiting plate shrinks to limit the air-inlet grille, after finishing, the conveying belt continues to move, meanwhile, the threaded rod rotates reversely, the limiting plate is loosened, automatic limiting and loosening of the grille are achieved, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts processing, in particular to a trimming device for an automobile active air intake grille. Background Art

[0002] The air intake grille is also known as the front face of the car, the ghost face and the radiator shield. Its main function is to provide ventilation for the radiator, engine, air conditioner, etc., to prevent damage to the internal parts of the car by foreign objects during driving, and to decorate the front face of the car and show personality. During long-term use, the mesh inside the air intake grille often breaks, so the air intake grille needs to be repaired accordingly.

[0003] Currently, most of the car air intake grille trimming on the market requires manual operation, which is time-consuming and labor-intensive, and is prone to errors, resulting in low trimming efficiency and inconvenience for people. Utility Model Content

[0004] The purpose of the utility model is to provide a trimming device for an active air intake grille of an automobile, so as to solve the problem of low trimming efficiency in the above-mentioned background technology. To achieve the above-mentioned purpose, the utility model provides the following technical solution: a trimming device for an active air intake grille of an automobile, comprising a base, the inner wall of the base being rotatably connected to the outer walls of a transmission member near both ends respectively, the outer wall of one end of the transmission member being transmission-connected to the inner wall of the transmission member near the bottom, and one end of the transmission member being fixedly connected to one side of the base.

[0005] The inner wall of the base is rotatably connected to the outer walls at both ends of the speed change member respectively, the outer wall of the speed change member is meshedly connected to the outer wall of the transmission member, and one side of the speed change member is fixedly connected to one end of the limit member.

[0006] Preferably, the base is composed of a supporting foot, an annular baffle, a first supporting plate, a connecting plate, a second supporting plate and a trimming assembly, and the top of the supporting foot is fixedly connected to the bottom of the annular baffle, the top of one side of the annular baffle is fixedly connected to the bottom of the first supporting plate, and the top of the first supporting plate is fixedly connected to the bottom of one side of the connecting plate, the bottom of the other side of the connecting plate is fixedly connected to the top of the second supporting plate, and the bottom of the second supporting plate is fixedly connected to the top of the other side of the annular baffle, the bottom of the connecting plate is fixedly connected to the top of the trimming assembly, and the inner walls of the annular baffle near the front and back sides are provided with rotation grooves.

[0007] Preferably, the transmission component includes a protection block, a motor, a main transmission shaft, a transmission belt and a secondary transmission shaft, and the inner wall of the protection block is fixedly connected to the outer wall of the motor, the output end of the motor is fixedly connected to one end of the main transmission shaft through a coupling, and the outer wall of the main transmission shaft away from the two ends is transmission-connected to the inner wall of the transmission belt near the front, the inner wall of the transmission belt near the back is transmission-connected to the outer wall of the secondary transmission shaft away from the two ends, and one side of the protection block is fixedly connected to one side of the annular baffle through bolts, and the outer walls of the main transmission shaft and the secondary transmission shaft close to the two ends are rotationally connected to the inner walls of the four rotating grooves respectively.

[0008] Preferably, the transmission member is composed of a first transmission belt, a first rotating shaft, a first gear, a second rotating shaft, a shift lever, a sector block, a transmission block, a transmission shaft, a transmission main gear, a second gear and a fixed shaft, and the number of the first gear, the second rotating shaft, the shift lever, the sector block, the second gear and the fixed shaft is set to two, the inner wall of the first transmission belt near the top is transmission-connected with the outer wall of the first rotating shaft near one end, and the outer wall of the first rotating shaft near the other end is provided with a first gear, the other first gear is provided on the outer wall of one of the second rotating shafts, and one end of the other second rotating shaft is fixedly connected to one end of the first rotating shaft, the outer walls of the two second rotating shafts near one end are both provided with shift levers, and the inner walls of the two second rotating shafts near the other end are respectively fixedly connected to the outer walls of the two sector blocks, and the outer walls of the two shift levers are connected to the transmission block The inner wall of the transmission block is movably abutted, and the outer wall of the transmission block is provided with an arc surface, the outer walls of the two sector blocks are slidably connected with the arc surface, and the inner wall of the transmission block is fixedly connected to the outer wall of the transmission shaft near one end, the outer wall of the transmission shaft near the other end is fixedly connected to the inner wall of the transmission main gear, and the outer walls of the two first gears are respectively meshed with the outer walls of the two second gears, the inner walls of the two second gears are respectively rotatably connected to the outer walls of the two fixed shafts, and the outer walls of the first rotating shaft and the two second rotating shafts are rotatably connected to the inner wall of the first support plate, one end of the two fixed shafts is fixedly connected to one side of the first support plate, and the outer walls of the first rotating shaft, the two second rotating shafts and the two fixed shafts near the first support plate are all provided with limiting rings, and the inner wall near the bottom of the first transmission belt is transmission-connected to the outer wall of the main transmission shaft near one end of the motor.

[0009] Preferably, the speed changing member includes a third rotating shaft, a transmission secondary gear, a second transmission belt, a threaded rod, two movable plates and a guide rod, and the outer wall of one end of the third rotating shaft is transmission-connected to the inner wall of the transmission secondary gear, the outer wall of the third rotating shaft close to the transmission secondary gear is transmission-connected to the inner wall of the second transmission belt close to the bottom, and the inner wall of the second transmission belt close to the top is transmission-connected to the outer wall of the threaded rod close to one end, the threads on both sides of the center of the threaded rod are arranged in opposite directions, and the outer walls of the threaded rod close to both ends are respectively threadedly connected to the inner walls of the two movable plates, the inner walls of the two movable plates close to the threaded rod are respectively slidably connected to the outer walls of the guide rod close to both ends, and the outer walls of the threaded rod and the guide rod at both ends are respectively rotatably connected to the inner walls of the first support plate and the second support plate, and the outer wall of the transmission secondary gear is meshingly connected to the outer wall of the transmission main gear.

[0010] Preferably, the limiting member includes a fixed tube, a sliding block, a sliding rod, a limiting plate and a spring, and the number of the fixed tube, the sliding block, the sliding rod, the limiting plate and the spring is two each, each of the fixed tube, the sliding block, the sliding rod, the limiting plate and the spring forms a group, and the inner wall of the fixed tube is slidably connected to the outer wall of the sliding block, one side of the sliding block is fixedly connected to one end of the sliding rod, and the other end of the sliding rod is fixedly connected to one side of the limiting plate, the outer side wall of the limiting plate close to the sliding rod is fixedly connected to one end of the spring, and the other ends of the two groups of springs are respectively fixedly connected to one side of the two movable plates, and one end of the two groups of fixed tubes are respectively fixedly connected to one side of the two movable plates close to the spring.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] In the utility model, the main transmission shaft is driven to rotate by the motor, which in turn drives the transmission belt to move. While transmitting the air intake grille, the main transmission shaft drives the first transmission belt to move, which in turn drives the first rotating shaft and the second rotating shaft below to rotate. The shifting rod pushes the transmission block to rotate, and the sector block cooperates with the arc surface to achieve intermittent movement. Due to the alternating action of the shifting rod and the sector block, the transmission block will drive the transmission main gear and then drive the transmission secondary gear to rotate intermittently, so that the threaded rod rotates intermittently, and while the transmission belt transports the air intake grille, the limit plate contracts to limit the air intake grille. After trimming, the transmission belt continues to move while the threaded rod rotates in the opposite direction to loosen the limit plate, thereby realizing automatic limiting and loosening of the grille and improving work efficiency.

[0013] In the utility model, when the movable plate moves, it will drive the spring and the limit plate connected thereto to move together. The limit plate limits the air intake grille transported to the bottom of the trimming component to prevent it from shifting during trimming. The elastic force of the spring drives the sliding block to slide in the fixed tube, allowing the air intake grille to be fine-tuned within a certain range, so that the device can limit air intake grilles of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a cross-sectional view of the utility model;

[0016] Figure 3 It is an exploded view of the utility model;

[0017] Figure 4 It is an exploded view of the transmission part in the utility model;

[0018] Figure 5 It is an exploded view of the speed change part in the utility model;

[0019] Figure 6 It is an exploded view of the limiting member in the utility model.

[0020] In the figure: 1, base; 101, support foot; 102, annular baffle; 103, first support plate; 104, connecting plate; 105, second support plate; 106, trimming assembly; 2, transmission member; 201, protection block; 202, motor; 203, main transmission shaft; 204, transmission belt; 205, secondary transmission shaft; 3, transmission member; 301, first transmission belt; 302, first rotating shaft; 303, first gear; 304, second rotating shaft; 305, dial Rod; 306, sector block; 307, transmission block; 308, transmission shaft; 309, transmission main gear; 310, second gear; 311, fixed shaft; 4, speed change member; 401, third rotating shaft; 402, transmission secondary gear; 403, second transmission belt; 404, threaded rod; 405, moving plate; 406, guide rod; 5, limiter; 501, fixed tube; 502, sliding block; 503, sliding rod; 504, limiter plate; 505, spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 6 The utility model provides a technical solution: a trimming device for an active air intake grille of an automobile, comprising a base 1, the inner wall of the base 1 being rotatably connected to the outer walls of a transmission member 2 near both ends, the outer wall of one end of the transmission member 2 being transmission-connected to the inner wall of a transmission member 3 near the bottom, and one end of the transmission member 3 being fixedly connected to one side of the base 1.

[0023] The inner wall of the base 1 is rotatably connected to the outer walls of the two ends of the speed change member 4 respectively, the outer wall of the speed change member 4 is meshedly connected to the outer wall of the transmission member 3, and one side of the speed change member 4 is fixedly connected to one end of the limit member 5.

[0024] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, the base 1 is composed of a supporting foot 101, an annular baffle 102, a first supporting plate 103, a connecting plate 104, a second supporting plate 105 and a trimming assembly 106, and the top of the supporting foot 101 is fixedly connected to the bottom of the annular baffle 102, the top of one side of the annular baffle 102 is fixedly connected to the bottom of the first supporting plate 103, and the top of the first supporting plate 103 is fixedly connected to the bottom of one side of the connecting plate 104, the bottom of the other side of the connecting plate 104 is fixedly connected to the top of the second supporting plate 105, and the bottom of the second supporting plate 105 is fixedly connected to the top of the other side of the annular baffle 102, the bottom of the connecting plate 104 is fixedly connected to the top of the trimming assembly 106, and the inner walls of the annular baffle 102 near the front and back sides are provided with rotation grooves, and the air intake grille is trimmed by the trimming assembly 106.

[0025] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, the transmission member 2 includes a protection block 201, a motor 202, a main transmission shaft 203, a transmission belt 204 and a secondary transmission shaft 205, and the inner wall of the protection block 201 is fixedly connected to the outer wall of the motor 202, the output end of the motor 202 is fixedly connected to one end of the main transmission shaft 203 through a coupling, and the outer wall of the main transmission shaft 203 away from the two ends is transmission-connected to the inner wall of the transmission belt 204 near the front, and the inner wall of the transmission belt 204 near the back is transmission-connected to the outer wall of the secondary transmission shaft 205 away from the two ends. It can be seen that one side of the protection block 201 is fixedly connected to one side of the annular baffle 102 by bolts, and the outer walls of the main transmission shaft 203 and the secondary transmission shaft 205 near the two ends are rotatably connected to the inner walls of the four rotating grooves respectively. The main transmission shaft 203 is driven to rotate by the motor 202, thereby driving the conveyor belt 204 to move, and driving the air intake grille on the conveyor belt 204 to move to the bottom of the trimming component 106 for trimming. The secondary transmission shaft 205 supports and stabilizes the conveyor belt to ensure that the conveyor belt can run smoothly.

[0026] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, the transmission member 3 is composed of a first transmission belt 301, a first rotating shaft 302, a first gear 303, a second rotating shaft 304, a lever 305, a sector block 306, a transmission block 307, a transmission shaft 308, a main transmission gear 309, a second gear 310 and a fixed shaft 311, and the number of the first gear 303, the second rotating shaft 304, the lever 305, the sector block 306, the second gear 310 and the fixed shaft 311 is set to two, the inner wall of the first transmission belt 301 near the top is transmission-connected with the outer wall of the first rotating shaft 302 near one end, and the outer wall of the first rotating shaft 302 near the other end is provided with a first gear 303, and the other first gear 303 is provided with a The outer wall of one of the second rotating shafts 304 is arranged, and one end of the other second rotating shaft 304 is fixedly connected to one end of the first rotating shaft 302. The outer walls of the two second rotating shafts 304 near one end are provided with a lever 305, and the inner walls of the two second rotating shafts 304 near the other end are respectively fixedly connected to the outer walls of the two sector blocks 306, the outer walls of the two levers 305 are movably abutted against the inner wall of the transmission block 307, and the outer wall of the transmission block 307 is provided with an arc surface, the outer walls of the two sector blocks 306 are slidably connected to the arc surface, and the inner wall of the transmission block 307 is fixedly connected to the outer wall of the transmission shaft 308 near one end, and the outer wall of the transmission shaft 308 near the other end is connected to the transmission main gear 309. The inner wall of the first support plate 103 is fixedly connected, and the outer walls of the two first gears 303 are meshed with the outer walls of the two second gears 310 respectively, the inner walls of the two second gears 310 are rotatably connected with the outer walls of the two fixed shafts 311 respectively, and the outer walls of the first rotating shaft 302 and the two second rotating shafts 304 are rotatably connected with the inner wall of the first support plate 103, one end of the two fixed shafts 311 is fixedly connected with one side of the first support plate 103, and the outer walls of the first rotating shaft 302, the two second rotating shafts 304 and the two fixed shafts 311 close to the first support plate 103 are all provided with limiting rings, and the inner wall of the first transmission belt 301 close to the bottom is transmission-connected to the outer wall of the main transmission shaft 203 close to one end of the motor 202 Then, while transmitting the air intake grille, the main transmission shaft 203 drives the first transmission belt 301 to move, and then drives the first rotating shaft 302 and the second rotating shaft 304 below to rotate, and the two first gears 303 achieve reverse common rotation through the second gear 310, and then drive the two second rotating shafts 304 to rotate in the opposite direction. At the same time, the lever 305 and the fan-shaped block 306 rotate with the second rotating shaft 304, and the lever 305 pushes the transmission block 307 to rotate, and the fan-shaped block 306 cooperates with the arc surface to achieve intermittent rotation. Due to the alternating action of the lever 305 and the fan-shaped block 306, the transmission block 307 will intermittently reciprocate, driving the main transmission gear 309 to perform intermittent reciprocating rotation.

[0027] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, the speed change member 4 includes a third rotating shaft 401, a transmission sub-gear 402, a second transmission belt 403, a threaded rod 404, two movable plates 405 and a guide rod 406, and the outer wall of one end of the third rotating shaft 401 is transmission-connected to the inner wall of the transmission sub-gear 402, the outer wall of the third rotating shaft 401 close to the transmission sub-gear 402 is transmission-connected to the inner wall of the second transmission belt 403 close to the bottom, and the inner wall of the second transmission belt 403 close to the top is transmission-connected to the outer wall of the threaded rod 404 close to one end, the threads on both sides of the center of the threaded rod 404 are arranged to be opposite, and the outer walls of the threaded rod 404 close to both ends are respectively connected to the inner walls of the two movable plates 405 Threaded connection, the inner walls of the two movable plates 405 close to the threaded rod 404 are respectively slidably connected with the outer walls of the guide rod 406 close to both ends, and the outer walls of the threaded rod 404 and the guide rod 406 at both ends are respectively rotatably connected with the inner walls of the first support plate 103 and the second support plate 105, the outer wall of the transmission secondary gear 402 is meshedly connected with the outer wall of the transmission main gear 309, and the transmission main gear 309 intermittently reciprocates while driving the transmission secondary gear 402 to intermittently reciprocate, and then drives the threaded rod 404 to intermittently reciprocate through the second transmission belt 403, and the threaded rod 404 controls the change of the spacing between the movable plates 405 through the opposite threads.

[0028] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, the limiting member 5 includes a fixed tube 501, a sliding block 502, a sliding rod 503, a limiting plate 504 and a spring 505, and the number of the fixed tube 501, the sliding block 502, the sliding rod 503, the limiting plate 504 and the spring 505 are all two, each fixed tube 501, the sliding block 502, the sliding rod 503, the limiting plate 504 and the spring 505 are a group, and the inner wall of the fixed tube 501 is slidably connected to the outer wall of the sliding block 502, one side of the sliding block 502 is fixedly connected to one end of the sliding rod 503, and the other end of the sliding rod 503 is fixedly connected to one side of the limiting plate 504, and the outer wall of the limiting plate 504 close to the sliding rod 503 is fixedly connected to the outer wall of the limiting plate 504 One end of the spring 505 is fixedly connected, and the other ends of the two groups of springs 505 are respectively fixedly connected to one side of the two movable plates 405, and one end of the two groups of fixed tubes 501 are respectively fixedly connected to one side of the two movable plates 405 close to the spring 505. When the movable plate 405 moves, it will drive the spring 505 and the limit plate 504 connected thereto to move together. The limit plate 504 limits the air intake grille transported to the bottom of the trimming assembly 106 to prevent it from shifting during trimming. Through the elastic force of the spring 505, the sliding block 502 is driven to slide in the fixed tube 501, allowing the air intake grille to be fine-tuned within a certain range, so that the device can limit air intake grilles of different sizes.

[0029] The use method and advantages of the utility model: When the trimming device for the active air intake grille of the automobile is in operation, the working process is as follows:

[0030] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, the main transmission shaft 203 is driven to rotate by the motor 202, thereby driving the transmission belt 204 to move. While transmitting the air intake grille, the main transmission shaft 203 drives the first transmission belt 301 to move, thereby driving the first rotating shaft 302 and the second rotating shaft 304 below to rotate, and the lever 305 pushes the transmission block 307 to rotate, and the sector block 306 cooperates with the arc surface to achieve intermittent rotation. Due to the alternating action of the lever 305 and the sector block 306, the transmission block 307 will drive the transmission main gear 309 and then drive the transmission secondary gear 402 to rotate intermittently, so that the threaded rod 404 rotates intermittently. While the transmission belt 204 transports the air intake grille, the limit The plate 504 contracts to limit the air intake grille. After trimming, the conveyor belt 204 continues to move while the threaded rod 404 rotates in the opposite direction to loosen the limit plate 504, thereby realizing automatic limiting and loosening of the grille and improving work efficiency. When the movable plate 405 moves, it will drive the spring 505 and the limit plate 504 connected thereto to move together. The limit plate 504 limits the air intake grille transported to the bottom of the trimming component 106 to prevent it from shifting during trimming. The elastic force of the spring 505 drives the sliding block 502 to slide in the fixed tube 501, allowing the air intake grille to be fine-tuned within a certain range, so that the device can limit air intake grilles of different sizes.

[0031] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A trimming device for an active air intake grille of an automobile, comprising a base (1), characterized in that: The inner wall of the base (1) is rotatably connected to the outer walls of the transmission member (2) near both ends respectively, the outer wall of one end of the transmission member (2) is transmission-connected to the inner wall of the transmission member (3) near the bottom, and one end of the transmission member (3) is fixedly connected to one side of the base (1); The inner wall of the base (1) is rotatably connected to the outer walls of the two ends of the speed change member (4), the outer wall of the speed change member (4) is meshingly connected to the outer wall of the transmission member (3), and one side of the speed change member (4) is fixedly connected to one end of the limit member (5).

2. The trimming device for an active air intake grille of an automobile according to claim 1, characterized in that: The base (1) is composed of a supporting foot (101), an annular baffle (102), a first supporting plate (103), a connecting plate (104), a second supporting plate (105) and a trimming assembly (106), wherein the top of the supporting foot (101) is fixedly connected to the bottom of the annular baffle (102), the top of one side of the annular baffle (102) is fixedly connected to the bottom of the first supporting plate (103), the top of the first supporting plate (103) is fixedly connected to the bottom of one side of the connecting plate (104), the bottom of the other side of the connecting plate (104) is fixedly connected to the top of the second supporting plate (105), the bottom of the second supporting plate (105) is fixedly connected to the top of the other side of the annular baffle (102), the bottom of the connecting plate (104) is fixedly connected to the top of the trimming assembly (106), and the inner walls of the annular baffle (102) close to both the front and back sides are provided with rotation grooves.

3. The trimming device for an active air intake grille of an automobile according to claim 2, characterized in that: The transmission member (2) comprises a protection block (201), a motor (202), a main transmission shaft (203), a transmission belt (204) and a secondary transmission shaft (205), and the inner wall of the protection block (201) is fixedly connected to the outer wall of the motor (202), the output end of the motor (202) is fixedly connected to one end of the main transmission shaft (203) through a coupling, and the outer wall of the main transmission shaft (203) away from the two ends is transmission-connected to the inner wall of the transmission belt (204) near the front, the inner wall of the transmission belt (204) near the back is transmission-connected to the outer wall of the secondary transmission shaft (205) away from the two ends, and one side of the protection block (201) is fixedly connected to one side of the annular baffle (102) through bolts, and the outer walls of the main transmission shaft (203) and the secondary transmission shaft (205) near the two ends are rotationally connected to the inner walls of the four rotating grooves respectively.

4. The trimming device for an active air intake grille of an automobile according to claim 2, characterized in that: The transmission member (3) is composed of a first transmission belt (301), a first rotating shaft (302), a first gear (303), a second rotating shaft (304), a lever (305), a sector block (306), a transmission block (307), a transmission shaft (308), a transmission main gear (309), a second gear (310) and a fixed shaft (311), and the number of the first gear (303), the second rotating shaft (304), the lever (305), the sector block (306), the second gear (310) and the fixed shaft (311) is set to two, and the first transmission belt (301) is close to the top The inner wall of the first rotating shaft (304) is transmission-connected to the outer wall of the first rotating shaft (302) near one end, and the outer wall of the first rotating shaft (302) near the other end is provided with a first gear (303), the other first gear (303) is provided on the outer wall of one of the second rotating shafts (304), and one end of the other second rotating shaft (304) is fixedly connected to one end of the first rotating shaft (302), the outer walls of the two second rotating shafts (304) near one end are both provided with a lever (305), and the inner walls of the two second rotating shafts (304) near the other end are respectively fixedly connected to the outer walls of the two fan-shaped blocks (306), and the two The outer wall of the shifting rod (305) is movably connected to the inner wall of the transmission block (307), and the outer wall of the transmission block (307) is provided with an arc surface. The outer walls of the two sector blocks (306) are slidably connected to the arc surface. The inner wall of the transmission block (307) is fixedly connected to the outer wall of the transmission shaft (308) near one end. The outer wall of the transmission shaft (308) near the other end is fixedly connected to the inner wall of the transmission main gear (309). The outer walls of the two first gears (303) are respectively meshed with the outer walls of the two second gears (310). The inner walls of the two second gears (310) are respectively meshed with the outer walls of the two second gears (310). The outer walls of the two fixed shafts (311) are rotatably connected, and the outer walls of the first rotating shaft (302) and the two second rotating shafts (304) are both rotatably connected to the inner wall of the first support plate (103), one end of the two fixed shafts (311) is fixedly connected to one side of the first support plate (103), and the outer walls of the first rotating shaft (302), the two second rotating shafts (304) and the two fixed shafts (311) close to the first support plate (103) are all provided with limiting rings, and the inner wall of the first transmission belt (301) close to the bottom is transmission-connected to the outer wall of the main transmission shaft (203) close to one end of the motor (202).

5. The trimming device for an active air intake grille of an automobile according to claim 4, characterized in that: The speed change member (4) comprises a third rotating shaft (401), a transmission sub-gear (402), a second transmission belt (403), a threaded rod (404), two movable plates (405) and a guide rod (406), and the outer wall of one end of the third rotating shaft (401) is transmission-connected with the inner wall of the transmission sub-gear (402), the outer wall of the third rotating shaft (401) close to the transmission sub-gear (402) is transmission-connected with the inner wall of the second transmission belt (403) close to the bottom, and the inner wall of the second transmission belt (403) close to the top is transmission-connected with the outer wall of the threaded rod (404) close to one end, The threads on both sides of the center of the threaded rod (404) are arranged in opposite directions, and the outer walls of the threaded rod (404) near the two ends are respectively threadedly connected to the inner walls of the two movable plates (405), the inner walls of the two movable plates (405) near the threaded rod (404) are respectively slidably connected to the outer walls of the guide rod (406) near the two ends, and the outer walls of the threaded rod (404) and the guide rod (406) at both ends are respectively rotatably connected to the inner walls of the first support plate (103) and the second support plate (105), and the outer wall of the transmission secondary gear (402) is meshedly connected to the outer wall of the transmission main gear (309).

6. The trimming device for an active air intake grille of an automobile according to claim 5, characterized in that: The limiting member (5) comprises a fixed tube (501), a sliding block (502), a sliding rod (503), a limiting plate (504) and a spring (505), and the number of the fixed tube (501), the sliding block (502), the sliding rod (503), the limiting plate (504) and the spring (505) is two, each of the fixed tube (501), the sliding block (502), the sliding rod (503), the limiting plate (504) and the spring (505) is a group, and the inner wall of the fixed tube (501) and the outer wall of the sliding block (502) are connected to each other. Sliding connection, one side of the sliding block (502) is fixedly connected to one end of the sliding rod (503), and the other end of the sliding rod (503) is fixedly connected to one side of the limiting plate (504), the outer side wall of the limiting plate (504) close to the sliding rod (503) is fixedly connected to one end of the spring (505), and the other ends of the two groups of springs (505) are respectively fixedly connected to one side of the two moving plates (405), and one end of the two groups of fixed tubes (501) are respectively fixedly connected to one side of the two moving plates (405) close to the spring (505).

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