CN111347851A - Automobile skylight mechanical assembly - Google Patents

Abstract

The invention relates to a vehicle sunroof mechanical assembly, comprising a lift arm; a first bracket assembly, the first bracket assembly is connected to one end of the lift arm, and comprises a first bracket and a first slider, one end of the first bracket moves along the first slider, The other end is connected to the lift arm, and the first bracket lifts or pulls back the lift arm when moving along the first slider; the second bracket assembly, which is connected to the other end of the lift arm, includes a second bracket and a second slider, the first bracket assembly is connected to the other end of the lift arm. One end of the two brackets is fixedly connected, and the other end is connected with the lift arm, and the second slider pushes the second bracket to rotate and lift or pull back the lift arm. In the automotive sunroof mechanical assembly provided by the present application, the first bracket assembly and the second bracket assembly can be automatically folded and folded, and the lift arm can be gradually raised after driving, so as to open the automotive sunroof, the linkage effect is good, the structure is compact, and the space is occupied Small, easy to manufacture, lower cost, and thus more economical.

Description

Automotive sunroof mechanical components

technical field

The invention relates to the field of automobile engineering, in particular to an automobile sunroof mechanical assembly.

Background technique

The car sunroof can effectively circulate the air in the car, increase the entry of fresh air, and bring healthy and comfortable enjoyment to the car owner. With the continuous development of the automobile industry, consumers' sense of car driving experience is also gradually increasing. Since the car sunroof can improve the driver's driving experience, the demand for car sunroofs in the market has exploded. .

At present, the common car sunroofs on the market mostly use a tilt-and-slide sunroof to move one or more glass covers of the sunroof. It can be seen from the prior art that a common feature of the common sunroof mechanical structures is that the glass cover of the sunroof is first Lift it outwards, and then move it backwards to partially or fully open the glass cover. However, in terms of structure, there are still problems such as complex structure, large space ratio, unreliable connection, and high production cost.

SUMMARY OF THE INVENTION

Based on this, in view of the problems of complex structure, large space ratio, unreliable connection and high production cost of an automobile sunroof, an automobile sunroof mechanical assembly is provided.

An automobile sunroof mechanical assembly includes a lift arm; a first bracket assembly, the first bracket assembly is connected to one end of the lift arm, and includes a first bracket and a first slider, one end of the first bracket is along the first A slider moves, the other end is connected to the lift arm, the first bracket lifts or pulls back the lift arm when moving along the first slider; a second bracket assembly, the second bracket assembly is connected to the lift arm The other end of the lift arm includes a second bracket and a second slider, one end of the second bracket is fixedly connected, and the other end is connected with the lift arm, the second slider pushes the second bracket to rotate and lift or Pull back the raised arm.

Further, a linkage assembly is also included, the linkage assembly connects the first bracket assembly and the second bracket assembly, and includes a guide rail and a limit assembly.

Further, the limiting assembly is disposed at one end of the guide rail and pushes the guide rail to move, the limiting assembly is connected to the first sliding block, and the other end of the guide rail is connected to the second sliding block.

Further, the limit assembly includes a limit block and a spring, the limit block can push the guide rail to move to a maximum displacement position, and the spring is used to limit the moving distance of the limit block.

Further, a clamping slot is provided on the limiting block, and a wedge block is provided on the first sliding block, and the wedge block is clamped to the clamping slot and pushes the limiting block to move.

Further, a chute is provided on the first slider, a first protrusion is provided on the first bracket, and the first bracket is lifted or pulled back after the first protrusion moves along the chute. Raise your arms.

Further, the chute includes a first chute and a second chute, the first chute and the second chute are on different planes, and the first protrusion runs along the first chute and the second chute. The lifting arm is lifted or pulled back when the second chute moves.

Further, the end of the first chute is provided with a first curve, and the end of the second chute is provided with a second curve, and the direction of the first curve is opposite to the direction of the second curve.

Further, a slideway is provided on the second slider, a second protrusion is provided on the second bracket, and the second protrusion is clamped to the slideway.

Further, the slideway includes a first slideway and a second slideway, the first slideway and the second slideway are arranged in opposite directions, and the second protrusion is along the first slideway and the second slideway. When the second slideway moves, the second bracket can rotate on the second sliding block.

Further, the second bracket assembly further includes a clamping block connecting the second bracket and the lifting arm.

Further, the clamping block is connected with the second bracket, and the lifting arm can move along the clamping block.

Further, a baffle plate is provided on the lift arm, and the baffle plate can abut with the first bracket assembly.

In the automotive sunroof mechanical assembly provided by the present application, bracket assemblies are respectively provided at both ends of the lift arm for carrying the sunroof glass, and a linkage device is arranged between the first bracket assembly and the second bracket assembly. After driving the first bracket assembly to move, it can rely on The linkage device pushes the second bracket assembly to lift one side of the lift arm, and at the same time the first bracket in the first bracket assembly slides, so that the other side of the lift arm is lifted, and the first bracket assembly can gradually push the lift arm along the linkage device Move to open the sunroof. In the technical solution provided by the present application, the first bracket assembly and the second bracket assembly can be automatically folded and folded, and the lift arm can be gradually raised after driving, thereby opening the car sunroof, with good linkage effect, compact structure, and small occupied space. It is easy to manufacture and has lower cost, so it has better economic benefits.

Various specific structures of the present application and their functions and effects will be described in further detail below with reference to the accompanying drawings.

Description of drawings

1 is a perspective view of a vehicle sunroof mechanical assembly according to an embodiment of the application;

2 is a perspective view of a first bracket assembly of an automotive sunroof mechanical assembly according to an embodiment of the application;

FIG. 3 is a perspective view of a first sliding block of an automobile sunroof mechanical assembly according to an embodiment of the application;

4 is a perspective view of a first bracket of an automotive sunroof mechanical assembly according to an embodiment of the application;

FIG. 5 is a perspective view of a second bracket assembly of an automotive sunroof mechanical assembly according to an embodiment of the application;

FIG. 6 is a perspective view of a second sliding block of an automobile sunroof mechanical assembly according to an embodiment of the application;

FIG. 7 is a perspective view of the second bracket of the automotive sunroof mechanical assembly according to an embodiment of the application;

8 is a perspective view of a clamping block of an automobile sunroof mechanical assembly according to an embodiment of the application;

FIG. 9 is a perspective view of a limit block of an automobile sunroof mechanical assembly according to an embodiment of the application;

10 is a perspective view of a raised arm of a vehicle sunroof mechanical assembly according to an embodiment of the application;

11 is a first state diagram of a sunroof mechanical assembly of an automobile according to an embodiment of the application;

FIG. 12 is a second state diagram of the automotive sunroof mechanical assembly according to an embodiment of the application;

FIG. 13 is a third state diagram of the automotive sunroof mechanical assembly according to an embodiment of the application.

Detailed ways

The technical solutions in the embodiments of the present application will be further clearly and completely described below with reference to the accompanying drawings, but it should be noted that the following embodiments are only some preferred embodiments of the present application, and do not involve the technical solutions of the present application. all the examples.

It should be noted that, in the description of this application, when an element is referred to as being "fixed to" another element, it may be directly on the other element or an intervening element may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Fig. 1 shows a perspective view of an automobile sunroof mechanical assembly according to an embodiment of the present application. The automobile sunroof mechanical assembly includes a lift arm 1, a first bracket assembly 2, a second bracket assembly 3 and a linkage assembly 4, wherein the first bracket assembly 2 and the second bracket assembly 3 are respectively connected to the two ends of the lift arm 1 and the linkage assembly 4 . The first bracket assembly 2 includes a first slider 21 and a first bracket 22. One end of the first bracket 22 is disposed in the first slider 21 and can move along the first slider 21, and the other end of the first bracket 22 is connected to the lift. Arm 1. When one end of the first bracket 22 moves along the first sliding block 21 , the other end connected with the lifting arm 1 can be away from or close to the first sliding block 21 , so that one end of the lifting arm 1 can be lifted or pulled back. In order to prevent the wear between the lift arm 1 and the first bracket assembly 2 , a baffle 11 is provided where the lift arm 1 and the first bracket assembly 2 abut, thereby effectively protecting the structure of the lift arm 1 .

The second bracket assembly 3 includes a second sliding block 31 and a second bracket 32 , one end of the second bracket 32 is fixed, for example, connected to the vehicle sunroof structure through a fixing member 33 , and the other end is connected to the lift arm 1 through a clamping block 34 . The second sliding block 31 can slide relative to the second bracket 32 , so that the second bracket 32 can be rotated, thereby raising or pulling back the lift arm 1 . Further, in order to make the rotation of the second bracket 32 unrestricted, preferably, the connection between the second bracket 32 and the fixing member 33 is a rotational connection, including but not limited to hinge. The lift arm 1 is clamped in the clamping block 34 and can move along the clamping block 34, so as to realize the opening or closing of the sunroof of the automobile.

The linkage assembly 4 connects the first bracket assembly 2 and the second bracket assembly 3. Specifically, the linkage assembly 4 includes a limit assembly 41 and a guide rail 42. The limit assembly 41 is connected to one end of the guide rail 42, and the limit assembly 41 is connected to the first The bottom of the sliding block 21 is connected, and the other end of the guide rail 42 is connected with the second sliding block 31 . It should be noted that the second sliding block 31 and the guide rail 42 can be fixedly connected, including but not limited to welding, screw connection, etc., but the present application provides a preferred method, that is, a plug is provided at the bottom of the second sliding block 31 (not shown), connecting the plug board 43 at the end of the guide rail 42 and inserting the plug into the plug board 43 can quickly realize the connection between the second sliding block 31 and the guide rail 42, and is easy to manufacture and install. Those skilled in the art can select an appropriate connection mode according to actual needs.

The first bracket assembly 1 is connected to a driving device. For example, a transmission block 23 is provided at the first sliding block 21, and the transmission block 23 is driven to move by an external driving device. The driving device includes but is not limited to rack and pinion linkage, conveyor belt, motor drive, etc. In this way, after the first sliding block 21 moves, it drives the first bracket assembly 1 to move, so as to push the lift arm 1 to lift and realize the opening of the sunroof. The mutual cooperation relationship and working principle between the above structures will be described in detail in conjunction with the accompanying drawings later.

2 is a perspective view of the first bracket assembly of the automotive sunroof mechanical assembly according to an embodiment of the present application, FIG. 3 is a perspective view of the first slider of the automotive sunroof mechanical assembly according to an embodiment of the present application, and FIG. 4 Shown is a perspective view of the first bracket of the automotive sunroof mechanical assembly according to an embodiment of the present application. With reference to FIGS. 2 to 4 , the first sliders 21 are arranged in pairs, and the first brackets 22 are clamped on the two first brackets. between the sliders 21. The first sliding block 21 is provided with a first sliding groove 211 and a second sliding groove 212, the first sliding groove 211 and the second sliding groove 212 are on different planes, and a plurality of first protrusions are provided on the first bracket 22, among which the first sliding groove 211 and the second sliding groove 212 are on different planes. One protrusion 222 is clamped in the first chute 211, another first protrusion 223 is clamped in the second chute 212, and the end 221 of the first bracket 22 is connected to the lift arm 1, including but not limited to hinged . The bottom of the first sliding block 21 is provided with a wedge 215 for cooperating with the limiting assembly 41 , and the specific structure and working method will be described in detail later.

Further, the end of the first chute 211 is provided with a first curve 213, the end of the second chute 212 is provided with a second curve 214, and the first curve 213 and the second curve 214 are located in the first chute respectively. 211 and the same side of the second chute 212, and the first curve 213 and the second curve 214 are in opposite directions. In a preferred embodiment, when the first protrusion 222 moves along the first chute 211 to the first curve 213, it can have a tendency to move upward; when the first protrusion 223 moves along the second chute 212 to the second When the curve 214 is turned, there is a tendency to move downward, therefore, the first bracket 22 can be rotated in the first sliding block 21, so that the other end 221 of the first bracket 22 has a tendency to move upward, so as to lift and lift Arm 1. It should be noted that the above structure is only a preferred mode of the present application, and the purpose is to rotate the first bracket 22 so that one end 221 can be raised or lowered, but it does not mean that the first chute provided by the present application The structures of 211 and the second chute 212 are limited to the embodiment shown in FIG. 3 , and whether the first chute 211 and the second chute 212 are connected does not affect the technical effect of the solution provided in this application. Personnel can choose the appropriate chute structure according to the actual structure.

FIG. 5 is a perspective view of the second bracket assembly of the automotive sunroof mechanical assembly according to an embodiment of the present application, FIG. 6 is a perspective view of the second sliding block of the automotive sunroof mechanical assembly according to an embodiment of the present application, and FIG. 7 Shown is a perspective view of the second bracket of the automotive sunroof mechanical assembly according to an embodiment of the present application, and FIG. 8 shows a perspective view of the clamping block of the automobile sunroof mechanical assembly according to an embodiment of the present application, in conjunction with FIGS. 5-8 . As shown, the second bracket assembly 3 includes a second slider 31 , a second bracket 32 , a fixing member 33 and a clamping block 34 , and a plug 311 is provided at the bottom of the second slider 31 for connecting with the end plug 43 of the guide rail 42 , one side of the second slider 31 includes a first slide 312 and a second slide 313, the first slide 312 and the second slide 313 are arranged in opposite directions, and the first slide 312 and the second slide 313 One end is provided with an opening, and the other end is provided with a blind opening, so as to ensure that the second protrusions 321 and 322 can only enter the first slideway 312 and the second slideway 313 in one direction.

The second protrusion 321 on the second bracket 32 can be clamped on the first slideway 312 , and the second protrusion 322 on the second bracket can be clamped in the second slideway 313 . When the second sliding block 31 occurs During translation, since the first slideway 312 and the second slideway 313 are arranged in an arc shape and face opposite directions, the second protrusion 321 can move out of the first slideway 312 and the second protrusion 322 can move into the second slideway In step 313 , the second bracket 32 is rotated, so that one end 324 of the second bracket 32 is lifted. On the contrary, when the second sliding block 31 translates in the reverse direction, the second protrusion 321 can move into the first sliding path 312 , and the second protrusion 322 can move out of the second sliding path 313 , so that one of the second brackets 32 can be moved End 324 is lowered.

The end 324 of the second bracket 32 is connected to the clamping block 34, the clamping block 34 is clamped to the lifting arm 1, and the clamping block 34 is provided with a hinge hole 341 for rotational connection with the end 324 of the second bracket 32, while the clamping block 34 The opening slot 342 is provided on the upper part, so that the lift arm 1 can be clamped on the clamping block 34 through the opening slot 342 , and the lift arm 1 can move along the opening slot 342 . When the end portion 324 of the second bracket 32 is lifted or lowered, the lift arm 1 can be lifted or pulled back. Meanwhile, in order not to affect the rotation of the second bracket 32 , the other end 323 of the second bracket 32 is rotatably connected to the fixing member 33 . In a preferred embodiment, the other end 323 of the second bracket includes a pin, the fixing member 33 is provided with a through hole 331, and the second bracket 32 is rotatably connected to the fixing member 33 by clamping the pin in the through hole 331. . It should be noted that the connection method between the second bracket 32 and the fixing member 33 includes but is not limited to the above-mentioned method, and other methods, such as hinged connection, can also achieve technical effects.

FIG. 9 is a perspective view of a limit block of an automobile sunroof mechanical assembly according to an embodiment of the present application. One end of the limit block (not shown) includes a slot 411, and the other end 412 is connected to the guide rail through a spring (not shown). On 42, preferably, the spring is a circlip. The locking groove 411 on the limiting block is used for locking the wedge block 215 at the bottom of the first sliding block 21 , so that the first sliding block 21 and the linkage assembly 4 are combined together. As shown in FIG. 1 , after the first slider 21 moves, it drives the limit block to move, pushes the guide rail 42 to move through the limit block, and then further pushes the first slider 21 to move, the wedge block 215 will disengage from the slot 411 , so that the guide rail 42 is moved. Move to the maximum displacement. During this process, the guide rail 42 will push the second sliding block 31 to move. After the first sliding block 21 and the second sliding block 31 move, the first support 22 and the second support 32 are respectively driven to rotate, so that the lift arm 1 is lifted or pulled back.

Fig. 10 is a perspective view of the lift arm of an automobile sunroof mechanical assembly according to an embodiment of the present application. The lift arm 1 is used to carry the glass cover of the automobile sunroof. One end 12 of the 1 is connected with the first bracket 22, and the bottom of the lifting arm 1 is provided with a bottom plate 14. With this structure, it is convenient for the lifting arm 1 to be clamped in the clamping block 34, and at the same time, the movement of the lifting arm 1 in the clamping block 34 is not affected. . In addition, the lift arm 1 includes an opening 13 , and the baffle 11 is connected with the lift arm 1 through the opening 13 . The position of the opening 13 can be designed by the structure of the first bracket assembly 2 .

FIG. 11 shows a first state diagram of a vehicle sunroof mechanical assembly according to an embodiment of the present application. It should be noted that the first state described here refers to a state when the vehicle sunroof is closed. At this time, the first bracket 22 is disposed in close contact with the first sliding block 21 , and the second bracket 32 pulls the clamping block 34 in close contact with the second sliding block 31 . With this structure, the first bracket assembly 2 and the second bracket assembly 3 are in a folded state, so that the automotive sunroof mechanical assembly provided by the present application occupies a small space. In the first state, the first protrusion 222 on the first bracket 22 is located at one end of the first chute 211 away from the first curve 213 , and the other first protrusion 223 is located at the second chute 212 away from the second curve 214 at one end. At this time, the first sliding block 21 is pushed to move in the direction A-A in the figure. Since the first sliding block 21 is connected with the limiting assembly 41, the limiting assembly 41 is driven to move, and then the guide rail 42 is driven to move along the A-A direction. After the guide rail 42 moves, it drives the second slider 31 to move in the A-A direction. After the second slider 31 moves in the A-A direction, the second protrusion 321 can move out of the first slideway 312, and the second protrusion 322 can move into the second slideway. In the passage 313, the second bracket 32 is rotated, so that one end 324 of the second bracket 32 is lifted, as shown in FIG. 12 for details.

FIG. 12 shows a second state diagram of the vehicle sunroof mechanical assembly according to an embodiment of the present application. It should be noted that the second state diagram described here refers to the middle position of the vehicle sunroof being opened. When the second bracket 32 rotates on the second slider 31, the second bracket 32 is rotated to the final position due to the blind stop at the end of the second slideway 313. At this time, the second bracket 32 lifts the lift arm 1 To the highest position, the second slider 31 remains in a stopped state. Continue to push the first sliding block 21 to move in the A-A direction. Since the guide rail 42 stops moving under the restriction of the second bracket assembly 3 , the first sliding block 21 can be disengaged from the clamping of the limiting assembly 41 after continuing to move. At this time, the lifting arm 1 continues to move in the direction A-A along the clamping block 34, the first protrusion 222 on the first bracket 22 gradually moves to the first curve 213 on the first chute 211, and the other first protrusion 223 Gradually move to the second curve 214 on the second chute 212 . Since the first curve 213 is opposite to the second curve 214 , the first bracket 22 is rotated on the first slider 21 , thereby raising the other end of the lift arm 1 . After that, after continuing to push the first slider 21 to move, the lift arm 1 will continue to move in the A-A direction, and then the sunroof of the car can be opened, as shown in FIG. 13 .

FIG. 13 shows a third state diagram of the automotive sunroof mechanical assembly according to an embodiment of the present application. It should be noted that the third state diagram described here refers to the final position of the automotive sunroof being opened. At this time, both ends of the lift arm 1 are lifted by the first bracket assembly 2 and the second bracket assembly 3 respectively, and gradually move along the A-A direction under the action of the external driving device to realize the opening of the car sunroof.

On the contrary, when the first sliding block 21 is driven to move in the opposite direction of the A-A direction, that is, the sunroof of the vehicle is gradually restored from the third state to the first state, the lift arm 1 is gradually replaced by the first bracket assembly 2 and the second bracket assembly. 3 Pull it back to close the car sunroof. It should be noted that driving the first sliding block 21 to move in the A-A direction to open the sunroof is only a preferred embodiment of the present application, but does not mean that it is limited to pushing the first sliding block 21 to move and opening the sunroof. The direction must be limited to the direction A-A as shown. A person skilled in the art can select an appropriate driving position and moving direction according to actual needs, and design an appropriate chute and chute direction, so as to realize the opening or closing of the sunroof of the vehicle.

In the automotive sunroof mechanical assembly provided by the present application, bracket assemblies are respectively provided at both ends of the lift arm for carrying the sunroof glass, and a linkage device is arranged between the first bracket assembly and the second bracket assembly. After driving the first bracket assembly to move, it can rely on The linkage device pushes the second bracket assembly to lift one side of the lift arm, and at the same time the first bracket in the first bracket assembly slides, so that the other side of the lift arm is lifted, and the first bracket assembly can gradually push the lift arm along the linkage device Move to open the sunroof. In the technical solution provided by the present application, the first bracket assembly and the second bracket assembly can be automatically folded and folded, and the lift arm can be gradually raised after driving, thereby opening the car sunroof, with good linkage effect, compact structure, and small occupied space. It is easy to manufacture and has lower cost, so it has better economic benefits.

The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

The above-mentioned embodiments only represent several embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as a limitation on the scope of the invention patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can also be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims (13)

1. An automobile sunroof mechanical assembly is characterized in that, comprising: raise arm; A first bracket assembly, the first bracket assembly is connected to one end of the lifting arm, and includes a first bracket and a first sliding block, one end of the first bracket moves along the first sliding block, and the other end is connected to the lifting arm. an arm, the first support lifts or pulls back the lift arm when the first support moves along the first sliding block; A second bracket assembly, the second bracket assembly is connected to the other end of the lift arm, and includes a second bracket and a second slider, one end of the second bracket is fixedly connected, and the other end is connected to the lift arm, the The second sliding block pushes the second bracket to rotate and lift or pull back the lift arm. 2 . The automotive sunroof mechanical assembly according to claim 1 , further comprising a linkage assembly, the linkage assembly connects the first bracket assembly and the second bracket assembly, and includes a guide rail and a limit assembly. 3 . 3 . The automotive sunroof mechanical assembly according to claim 2 , wherein the limit assembly is arranged at one end of the guide rail and pushes the guide rail to move, and the limit assembly is connected to the first sliding block, 3 . The other end of the guide rail is connected to the second sliding block. 4. The automotive sunroof mechanical assembly according to claim 3, wherein the limit assembly comprises a limit block and a spring, the limit block can push the guide rail to move to a maximum displacement position, and the spring to limit the movement distance of the limit block. 5 . The automotive sunroof mechanical assembly according to claim 4 , wherein a snap groove is provided on the limit block, a wedge block is provided on the first slider, and the wedge block is engaged with the snap groove and Push the limit block to move. 6 . The automobile sunroof mechanical assembly according to claim 3 , wherein a chute is provided on the first sliding block, a first protrusion is provided on the first bracket, and the first protrusion extends along the After the chute moves, the first bracket lifts or pulls back the lift arm. 7 . The automotive sunroof mechanical assembly according to claim 6 , wherein the chute comprises a first chute and a second chute, and the first chute and the second chute are on different planes, 8 . The first protrusion lifts or pulls back the lift arm when moving along the first and second sliding grooves. 8 . The automobile sunroof mechanical assembly according to claim 7 , wherein the end of the first chute is provided with a first curve, the end of the second chute is provided with a second curve, and the end of the first chute is provided with a second curve. A curve is opposite to the direction of the second curve. 9 . The automobile sunroof mechanical assembly according to claim 3 , wherein a slideway is provided on the second sliding block, a second protrusion is provided on the second bracket, and the second protrusion is clamped to the seat. 10 . described slide. 10. The automobile sunroof mechanical assembly according to claim 9, wherein the slideway comprises a first slideway and a second slideway, and the first slideway and the second slideway are arranged in opposite directions, When the second protrusion moves along the first slideway and the second slideway, the second bracket can rotate on the second slider. 11 . The vehicle sunroof mechanical assembly of claim 9 , wherein the second bracket assembly further comprises a clamping block connecting the second bracket and the lift arm. 12 . 12 . The vehicle sunroof mechanical assembly of claim 11 , wherein the clamping block is connected to the second bracket, and the lift arm can move along the clamping block. 13 . 13 . The vehicle sunroof mechanical assembly according to claim 1 , wherein a baffle plate is provided on the lift arm, and the baffle plate can abut with the first bracket assembly. 14 .

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