CN209096444U - A kind of vehicle dormer window with overload protection function - Google Patents

Abstract

The utility model discloses a kind of vehicle dormer windows with overload protection function, including U-shaped braced frame, driving device, motor and overload protection arrangement mechanical component, overload protection arrangement mechanical component includes lower hock, upper hock, multi-diameter shaft, compressed spring, transmission gear, lower bearing and bearing block and upper bearing (metal) and bearing block, lower hock is connected to motor, application of a surface between upper hock and lower hock, multi-diameter shaft sequentially passes through compressed spring, lower bearing and bearing block, transmission gear and upper bearing (metal) and bearing block, compressed spring is between upper hock and lower bearing and bearing block, and it is in compressive state always, generate the elastic force for oppressing upper hock, it is in close contact hock and lower hock, transmission gear is connect by driving device with glass supporter.The utility model, as core component, realizes stability, persistent pinch resistant functionality using mechanical structure, and mechanical structure component has many advantages, such as that structure is simple, preparation process is uncomplicated.

Description

A kind of vehicle dormer window with overload protection function

Technical field

The utility model belongs to vehicle dormer window technical field more particularly to a kind of automobile day with overload protection function Window.

Background technique

Skylight is generally existing in the car, not only increases the integrally-built aesthetics of automobile, also improve driver and The ride comfort of passenger.The vehicle sunroof system for not having pinch resistant functionality during the shutdown process, easily crushes passenger, becomes serious Security risk.On October 26th, 2013 media report, the 3 years old young girl in Sichuan city suffocate body because being clamped by vehicle dormer window It dies；The example that certain 11 years old young girl is crushed by vehicle dormer window also occurs for October 9 the same year, Earthquake of Anyang station in Henan.At this stage, vehicle dormer window is anti- Folder technology mostly uses hall sensing sensor, voltage sensitive sensor and corresponding control circuit etc. to realize.Utility model patent CN 103929101A discloses a kind of implementation method of skylight pinch resistant functionality, and this method is mounted on skylight motor by single-chip microcontroller acquisition Hall sensor output signal near rotor on coil judges whether motor needs to invert, and is discharged with this by folder barrier, real The pinch resistant functionality of existing vehicle dormer window.Utility model patent CN 101983873A discloses a kind of roof window anti-pinch system and its control Method, including car body control module, skylight anti-pinch module and LIN bus, the component constitute LIN network and from vehicle CAN Bus receives remote information, sends signal to skylight anti-pinch module after differentiation processing, realizes the pinch resistant functionality of vehicle dormer window.It is practical New patent ZL 200910154603.6 authorizes a kind of anti-clamp circuit of electric skylight, including microcontroller, motor driven electricity Road, LIN driving circuit, signal sample circuit, power circuit, position sensing circuit, key circuit, condition indication circuit, debugging Interface circuit and data storage circuitry etc., being capable of high-precision, low error, the realization vehicle dormer window pinch resistant functionality of low cost.It is practical 204184175 U of novel C N discloses a kind of anti-clip assembly of the skylight for vehicle, and main component includes voltage sensitive sensor and drive Dynamic device controls starting and stopping for driving device by the pressure signal of voltage sensitive sensor acquisition, can effectively avoid anti-pinch function The generation of energy failure phenomenon.202596406 U of utility model CN discloses a kind of vehicle dormer window anti-pinch device, main component packet It includes resistance detection module, actuating motor, core processing unit, communication module and limits module etc. up and down, can effectively detect automobile Whether skylight encounters barrier, realizes pinch resistant functionality.The vehicle dormer window anti-pinch that above-mentioned utility model patent and utility model are related to Technology and device, rely on electronic component and its control circuit is realized, though vehicle dormer window can be made to generate pinch resistant functionality, due to Electronic component easily fails under the influence of the harsh conditions such as high temperature, severe cold, causes pinch resistant functionality unstable or completely loses.

Based on current vehicle dormer window anti-pinch technology or device there are effects unstable, pinch resistant functionality may lose the problems such as, Utility model patent ZL 201610821921.3 discloses a kind of vehicle dormer window with pinch resistant functionality, realizes pinch resistant functionality Core component is ratchet shaft and its shell for protecting ratchet shaft, is freely rotated between ratchet shaft and shell；At the middle part of ratchet shaft It is arranged with ratchet and bottom ratchet wheel, is intermeshed between upper ratchet and bottom ratchet wheel, bottom ratchet wheel is rotated with shell, and upper ratchet is with ratchet Axis rotation, transmits the compressed spring of load between upper ratchet and the shaft shoulder of ratchet shaft；Skylight meets barrier during the shutdown process Inhibition when, upper ratchet and bottom ratchet wheel can take off tooth and middle stopping power transmits, to realize pinch resistant functionality.The vehicle dormer window is anti- Clamping structure is realized using mechanical part, is not related to electronic component and its control circuit, therefore has stability height, service life The advantages that long.But the ratchet for playing pinch resistant functionality mainly includes upper ratchet, bottom ratchet wheel, compressed spring, ratchet shaft, shell etc., Component is relatively complicated, causes manufacturing process complicated, improves the manufacturing cost of vehicle dormer window to a certain extent.Therefore, it is necessary to A kind of vehicle dormer window with overload protection arrangement is developed, realizes that the core component of pinch resistant functionality is mechanical structure, also wants Have the characteristics that construction package is simple, preparation process is uncomplicated.

Utility model content

The technical problem to be solved by the present invention is to provide a kind of vehicle dormer windows with overload protection function, use Mechanical structure realizes stability, persistent pinch resistant functionality as core component, and mechanical structure component has structure letter Singly, the advantages that preparation process is uncomplicated.

In order to solve the above technical problems, technical solution adopted in the utility model is: one kind having overload protection function Vehicle dormer window, including the U-shaped braced frame cooperated with automobile top, U-shaped braced frame is equipped with glass supporter, driving glass The driving device and motor of bracket translation, it is characterised in that overload protection arrangement is equipped between the motor and driving device Mechanical component, the overload protection arrangement mechanical component include lower hock, upper hock, multi-diameter shaft, compressed spring, transmission gear, Lower bearing and bearing block and upper bearing (metal) and bearing block, wherein lower hock and motor are keyed, upper hock is inserted in multi-diameter shaft one end, Application of a surface between upper hock and lower hock, the other end of multi-diameter shaft sequentially pass through compressed spring, lower bearing and bearing block, transmission Gear and upper bearing (metal) and bearing block, compressed spring are in compression shape between upper hock and lower bearing and bearing block always State generates the elastic force for oppressing upper hock, is in close contact hock and lower hock, lower bearing and bearing block, upper bearing (metal) and axis It holds seat to be fixed in U-shaped braced frame, transmission gear is connect by driving device with glass supporter.

Be further qualified to above scheme, form new technical solution: the binding face of the lower hock and upper hock is Curved surface with relief height, the binding face have antiwear characteristic.

Be further qualified to above scheme, form new technical solution: the lower hock is cylinder with upper hock main body Shape structure, wherein lower hock one end Middle face is linear protrusion, upper hock one end Middle face is linear depression, protrusion and recessed portion Divide seamless interfacing, intermeshing；It is respectively equipped with lower hock axis hole and upper hock axis hole at lower hock and upper hock center, wherein under Motor reducer on hock axis hole and motor cooperates, upper hock axis hole and multi-diameter shaft one end fits.

Be further qualified to above scheme, form new technical solution: the driving device is two sets, is symmetrically disposed on On two free segments of U-shaped braced frame, two sets of driving devices are connected in glass supporter.

Be further qualified to above scheme, form new technical solution: the driving device includes flexible axle, spacing bracket And guide rail, guide rail are fixed on the free end of the U-shaped braced frame, front end sliding block and intermediate slider, flexible axle one are arranged on guide rail End is engaged with the transmission gear, and the flexible axle other end is connect with front end sliding block, and front end sliding block can be slided along guide rail, and intermediate slider is solid Due on guide rail, spacing bracket one end and front end sliding block are hinged, and the midfoot support of spacing bracket is on intermediate slider, spacing bracket The other end by connecting rod with limit tray connect, limit tray be fixed on guide rail, connecting rod around limit tray rotation, limit hold in the palm Glass supporter is fixed on frame.

Be further qualified to above scheme, form new technical solution: the flexible axle is set in flexible axle conduit, flexible axle Conduit is arranged in U-shaped braced frame.

The beneficial effects of adopting the technical scheme are that the utility model, which provides one kind, has overload protection function The vehicle dormer window of energy, can effectively avoid the appearance that vehicle dormer window crushes passenger's accident during the shutdown process.Due to realizing that overload is protected The core component of protective function is the mechanical structures components such as lower hock, upper hock, compressed spring, multi-diameter shaft, relative at this stage according to It is provided by the utility model a kind of with overload protection by electronic component and the vehicle dormer window anti-pinch technology of corresponding control circuit The vehicle dormer window of function has stable effect and persistence, and has the advantages that structure is simple, production preparation cost is low etc..

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the structural schematic diagram of overload protection arrangement and motor reducer cooperation in the utility model；

Fig. 3 is the structural schematic diagram of overload protection arrangement in the utility model；

Fig. 4 is the structural schematic diagram of lower hock in the utility model；

Fig. 5 is the structural schematic diagram of upper hock in the utility model；

Fig. 6 is the structural schematic diagram of vehicle dormer window executing agency in the utility model；

Wherein: 1, U-shaped braced frame；2, motor；2-1, L-type motor fixing plate；2-2, motor reducer；2-3, motor subtract Fast device output shaft；3, overload protection arrangement mechanical component；3-1, lower hock；3-1-1, lower hock axis hole；3-1-2, lower hock rub Wiping face；3-2, upper hock；3-2-1, upper hock axis hole；3-2-2, upper hock rubbing surface；3-3, multi-diameter shaft；3-4, compressed spring； 3-5, transmission gear；3-6, lower bearing and bearing block；3-7, upper bearing (metal) and bearing block；4, flexible axle；5, flexible axle conduit；6, guide rail； 7, front end sliding block；8, intermediate slider；9, tray is limited；10, spacing bracket；11, connecting rod；12, glass supporter；13, support plate.

Specific embodiment

Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.

The following examples illustrate the utility model, but is not intended in any way to limit the scope of the utility model.

As depicted in figs. 1 and 2, a kind of vehicle dormer window with overload protection function, it is U-shaped including cooperating with automobile top Braced frame 1, the motor 2 for providing power for vehicle dormer window opening and closing are mounted on U-shaped braced frame 1 by L-type motor fixing plate 2-1 On, the output end of motor 2 is equipped with motor reducer 2-2, and the motor reducer output shaft 2-3 and overload of motor reducer 2-2 is protected The lower hock 3-1 of protection unit mechanical component 3 is fixedly connected；U-shaped braced frame 1 is equipped with guide rail 6, spacing bracket 10, glass branch Frame 12, to prevent U-shaped braced frame 1 to be deformed during military service, end is equipped with support plate 13.

As depicted in figs. 1 and 2, it realizes the overload protection arrangement mechanical component 3 of vehicle dormer window overload protection function, is located at electricity Between machine reducer output shaft 2-3 and flexible axle 4, overload protection function, i.e. skylight glass are played in the closing process of vehicle dormer window When glass encounters barrier obstruction, the conduction of motor reducer output shaft 2-3 output power can be effectively cut off, to avoid crushing The generation of passenger's accident.

As shown in Figures 2 and 3, overload protection arrangement mechanical component 3 includes lower hock 3-1, upper hock 3-2, multi-diameter shaft 3- 3, compressed spring 3-4, transmission gear 3-5, lower bearing and bearing block 3-6, upper bearing (metal) and bearing block 3-7.Under lower hock 3-1 passes through Hock axis hole 3-1-1 and motor reducer output shaft 2-3 is keyed, and the upper hock axis hole 3-2-1 of upper hock 3-2 is inserted in multi-diameter shaft 3-3；Compressed spring 3-4 is inserted in multi-diameter shaft 3-3, between upper hock 3-2 and lower bearing and bearing block 3-6, always in pressure Contracting state generates the elastic force for oppressing upper hock 3-2, makes the upper hock rubbing surface 3-2-2's and lower hock 3-1 of hock 3-2 Lower hock rubbing surface 3-1-2 is in close contact；Vehicle dormer window is normally-open or closing course in, upper hock rubbing surface 3-2-2 with There is relative motion trend between lower hock rubbing surface 3-1-2, the stiction for 2 power transmission of motor is generated with this；When Periodically sliding is generated when meeting with barrier in vehicle dormer window closing process, between rubbing surface 3-2-2 and rubbing surface 3-1-2, with The transmission of this cutting 2 power of motor, interrupts the closing of vehicle dormer window, has the function that overload protection.Transmission gear 3-5 is located at rank It on terraced axis 3-3, is engaged with flexible axle 4, realizes the transmission of 2 power of motor.Lower bearing and bearing block 3-6 and upper bearing (metal) and bearing are set Seat 3-7 is installed to upper bearing (metal) and bearing block 3-7 by bolt U-shaped for fixed step axis 3-3, lower bearing and bearing block 3-6 In braced frame 1.

As shown in Figure 4 and Figure 5, the upper hock rubbing surface 3- of the lower hock rubbing surface 3-1-2 of lower hock 3-1, upper hock 3-2 2-2 is simultaneously non-planar, but the curved surface with specific relief height, this depends in vehicle dormer window closing process triggering overload protection Drag size, the coefficient of elasticity of compressed spring, the friction system between lower hock rubbing surface 3-1-2 and upper hock rubbing surface 3-2-2 Number.In addition, lower hock rubbing surface 3-1-2 and upper hock rubbing surface 3-2-2 there should be relatively large coefficient of friction, should also have There is stronger antiwear characteristic.It in vehicle dormer window closing process, when skylight glass meets with barrier, cannot continue to move along, pass The mechanical parts such as moving gear 3-5, multi-diameter shaft 3-3, upper hock 3-2 experience the resistance of barrier conduction；But lower hock 3-1 continues The output power of motor 1 is conducted, therefore the upper hock of the lower hock rubbing surface 3-1-2 and upper hock 3-2 of lower hock 3-1 is caused to rub The opposite sliding of wiping face 3-2-2, and lead to the compression of compressed spring 3-4, the maximum compression stroke of compressed spring 3-4 is equal to lower tooth The relief height of pawl rubbing surface 3-1-2 and upper hock rubbing surface 3-2-2；Under compressed spring 3-4 compression generation elastic force can hinder The opposite sliding of hock rubbing surface 3-1-2 and upper hock rubbing surface 3-2-2, when compressed spring 3-4 reaches maximum compression stroke When the elastic force of generation is less than the resistance of barrier conduction, the lower hock rubbing surface 3-1-2's and upper hock 3-2 of lower hock 3-1 Upper hock rubbing surface 3-2-2 can generate periodically opposite sliding, that is, disengage idle running, realize the interruption of 1 output power of motor, reach The purpose of overload protection.

As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, in vehicle dormer window unlatching/closing process, motor 2 is rotated, and is subtracted through motor Fast device 2-2 slows down, and output power is conducted to the lower hock of overload protection arrangement mechanical component 3 by motor reducer output shaft 2-3 The upper hock rubbing surface 3-2-2 of the lower hock rubbing surface 3-1-2 and upper hock 3-2 of 3-1, lower hock 3-1 are tightly engaged, and compress bullet The elastic force of spring 3-4 serves as the normal pressure of lower hock rubbing surface 3-1-2 Yu upper hock rubbing surface 3-2-2, generates stiction； The compression travel of appropriate adjustment compressed spring 3-4 can make between lower hock rubbing surface 3-1-2 and upper hock rubbing surface 3-2-2 Stiction is greater than the resistance in vehicle dormer window opening process.The presence of stiction, it can be ensured that output power is conducted to biography Moving gear 3-5, moving gear 3-5 are engaged with the flexible axle 4 being fixed in flexible axle conduit 5, and flexible axle 4 and the front end being located in guide rail 6 are sliding Block 7 is fixedly connected with effective transmission, it can be achieved that output power；Front end sliding block 7 is fixedly connected with the front end of spacing bracket 10, jointly It is translated along guide rail 6；Intermediate slider 8 in guide rail 6 is fixedly connected with spacing bracket 10, and intermediate slider 8 is immovable, only Play the function of lifting spacing bracket 10；The end of spacing bracket 10 is connect by connecting rod 11 with limit tray 9, and tray 9 is limited Cannot be moved in guide rail 6, connecting rod 11 around limit tray 9 rotate, in vehicle dormer window opening process drive spacing bracket 10 to Upper forward movement drives spacing bracket 10 to move rearward in vehicle dormer window closing process；Glass supporter 12 is automobile day Glass pane provides installation carrier, is fixedly connected by bolt with spacing bracket 10, movement in the same direction synchronous with the holding of spacing bracket 10, The unlatching and closure of vehicle dormer window are realized with this.

In vehicle dormer window closing process, if encounter the barriers such as child, sundries, drag effect will receive, the resistance Overload protection arrangement machinery is conducted to by mechanical parts such as glass supporter 12, spacing bracket 10, front end sliding block 7, flexible axles 4 with this The transmission gear 3-5 of component 3.Because transmission gear 3-5 is fixedly installed on multi-diameter shaft 3-3 by spline, and upper hock 3-2 is only It is to be inserted on multi-diameter shaft 3-3, can be moved in a certain range along multi-diameter shaft 3-3；The elastic force of compressed spring 3-4 makes tooth The lower hock rubbing surface 3-1-2 of the upper hock rubbing surface 3-2-2 of pawl 3-2 and lower hock 3-1 tightly engages and generates stiction, When the resistance generated by barrier is greater than the stiction, upper hock rubbing surface 3-2-2 and lower hock rubbing surface 3-1-2 are generated Sliding；Upper hock rubbing surface 3-2-2 and lower hock rubbing surface 3-1-2 are the curved surface with certain height, therefore sliding phenomenon Appearance will lead to the second compression again of compressed spring 3-4, and then elastic force is generated, as upper hock rubbing surface 3-2-2 and lower hock When maximum height occurs in rubbing surface 3-1-2, compressed spring 3-4 reaches maximum value because compressing the elastic force of generation again；Compress bullet Spring 3-4 necessarily causes to rub between upper hock rubbing surface 3-2-2 and lower hock rubbing surface 3-1-2 because compressing the elastic force of generation again The increase of power is wiped, if be greater than the frictional force because of the resistance that barrier generates, upper hock rubbing surface 3-2-2 and hock under rubbing surface It will appear periodic sliding between 3-1-2.Therefore, it causes the drop out of gear between hock 3-2 and lower hock 3-1 to close, leads to electricity Machine 1 generates the cutting of power transmission approach, can effectively avoid because skylight glass continues to cause the folder to child, barrier due to closing Wound, realizes the overload protective function of vehicle dormer window.

Below by taking specific experiment as an example, to illustrate the practicability and effect of the utility model.

In this embodiment, 630 mm of overall length of vehicle dormer window, 830 mm of beam overall, 530 mm of overall length of skylight glass, always Wide 820 mm；In addition guide rail 6, front end sliding block 7, intermediate slider 8, limit tray 9 for skylight glass to be fixedly mounted, limit support The mechanical mechanisms such as frame 10, connecting rod 11, glass 12, bracket, total weight be 12 Kg, this some mechanical mechanism vehicle dormer window open/ The frictional resistance generated in closing course is 18N；When galloping (80 km/h or more), because the resistance that windage generates is 10N.Therefore, vehicle dormer window resistance total during opened/closed is 28N.

Select cast iron for the material of lower hock 3-1,45 steel are the material of upper hock, lower hock rubbing surface 3-1-2 and upper tooth The surface roughness of pawl rubbing surface 3-2-2 is disposed as Ra=12.5 μm, lower hock rubbing surface 3-1-2 and upper hock rubbing surface 3- Friction factor is 0.3 between 2-2.

Vehicle dormer window resistance 28N total during opened/closed, needs lower hock rubbing surface 3-1-2 to rub with upper hock Wiping face 3-2-2 provide stiction should be slightly larger than 28N, therefore compressed spring 3-4 provide elastic force should be 28N/0.3= 93N.It is assumed that meeting with the maximum resistance that the barriers such as child, sundries generate is 21N in vehicle dormer window closing process, i.e. resistance is super Crossing 21N, hock rubbing surface 3-1-2 and upper hock rubbing surface 3-2-2 drop out of gear close at present, and the overload protection arrangement of vehicle dormer window is mechanical Component 3 plays a role.At this point, lower hock rubbing surface 3-1-2 and upper hock rubbing surface 3-2-2 are because of the increased frictional force of resistance 21N For 21N, then calculate and know that the increased elastic force of compressed spring 3-4 is 21N/0.3=70N, be arranged lower hock rubbing surface 3-1-2 with The maximum relative surface height of upper hock rubbing surface 3-2-2 is 10 mm, then because barrier resistance leads to compressed spring 3-4 again The range of compression is 10 mm, therefore the coefficient of elasticity of compressed spring 3-4 should be the mm=7.0 of 70N/10 N/mm.According to Coefficient of elasticity and respective country standard, select the material of compressed spring 3-4 for carbon spring steel.Vehicle dormer window is in opened/closed Total resistance 28N in the process, therefore the lower hock rubbing surface 3-1-2 and upper hock rubbing surface 3-2-2 stiction provided should be The elastic force that 28N, compressed spring 3-4 are provided should be 93N, answer 7.0 N/mm in conjunction with the coefficient of elasticity of compressed spring 3-4, then automobile Skylight is normally-open/closure when to need the compression travel of compressed spring 3-4 be that should be slightly larger than the N/mm=13.3 of 93N/7.0 mm.

Vehicle dormer window is normally-open/closing course in, motor 2 rotates, slow down through motor reducer 2-2, output power by Motor reducer output shaft 2-3 is conducted to the lower hock 3-1 of overload protection arrangement mechanical component 3, and the lower hock of lower hock 3-1 rubs The upper hock rubbing surface 3-2-2 of wiping face 3-1-2 and upper hock 3-2 is tightly engaged；The default compression travel of compressed spring 3-4 is 19 Mm, provided maximum flexibility power is 95N, therefore the maximum between lower hock rubbing surface 3-1-2 and upper hock rubbing surface 3-2-2 is quiet Frictional force is up to 95N 0.3=28.5N of *, greater than the drag overall 28N during vehicle dormer window opened/closed.

When meeting with barrier in vehicle dormer window closing process, by drag effect, it is assumed that the resistance is 21N.The resistance with This is conducted to overload protection arrangement machinery group by mechanical parts such as glass supporter 12, spacing bracket 10, front end sliding block 7, flexible axles 4 The transmission gear 3-5 of part 3 is eventually transferred on hock 3-2, and show as under the resilient force of compressed spring 3-4 Frictional force between hock rubbing surface 3-2-2 and lower hock rubbing surface 3-1-2.It is rubbed by lower hock rubbing surface 3-1-2 with upper hock Coefficient of friction 0.3 between the 3-2-2 of wiping face, calculating and obtaining the elastic force that spring need to provide is 21N/0.3=70N;Therefore compression bullet The increased compression travel of spring 3-4 is the N/mm=10 of 70N/7.0 mm；When the resistance that barrier generates is greater than 21N, compressed spring Increased compression travel should be greater than 10 mm to 3-4 accordingly, and the compression travel should not be greater than hock rubbing surface 3-2-2 under Curved surface height between hock rubbing surface 3-1-2, that set in the utility model is 10 mm, therefore can make hock rubbing surface 3-2-2 and lower hock rubbing surface 3-1-2 generates periodical sliding phenomenon, and causes de- between hock 3-2 and lower hock 3-1 Engagement, leads to the cutting of 1 output power delivering path of motor, can effectively avoid because skylight glass continues to cause due to closing to children It is virgin, barrier to crush, realize the overload protective function of vehicle dormer window.

Claims (6)

1. a kind of vehicle dormer window with overload protection function, including the U-shaped braced frame (1) cooperated with automobile top, U-shaped branch Support frame frame (1) is equipped with the driving device and motor (2) of glass supporter (12), driving glass supporter (12) translation, feature It is to be equipped with overload protection arrangement mechanical component (3) between the motor (2) and driving device, the overload protection arrangement machine Tool component (3) include lower hock (3-1), upper hock (3-2), multi-diameter shaft (3-3), compressed spring (3-4), transmission gear (3-5), Lower bearing and bearing block (3-6) and upper bearing (metal) and bearing block (3-7), wherein lower hock (3-1) and motor (2) is keyed, upper tooth Pawl (3-2) is inserted in the one end multi-diameter shaft (3-3), application of a surface between upper hock (3-2) and lower hock (3-1), multi-diameter shaft (3-3) The other end sequentially passes through compressed spring (3-4), lower bearing and bearing block (3-6), transmission gear (3-5) and upper bearing (metal) and bearing block (3-7), compressed spring (3-4) are in compression shape between upper hock (3-2) and lower bearing and bearing block (3-6) always State generates the elastic force for oppressing upper hock (3-2), is in close contact hock (3-2) and lower hock (3-1), lower bearing and axis It holds seat (3-6), upper bearing (metal) and bearing block (3-7) to be fixed on U-shaped braced frame (1), transmission gear (3-5) passes through driving device It is connect with glass supporter (12).

2. a kind of vehicle dormer window with overload protection function according to claim 1, it is characterised in that: the lower hock The binding face of (3-1) and upper hock (3-2) is the curved surface with relief height, which has antiwear characteristic.

3. a kind of vehicle dormer window with overload protection function according to claim 2, it is characterised in that: the lower hock (3-1) and upper hock (3-2) main body are cylindrical structure, wherein lower hock (3-1) one end Middle face is linear protrusion, upper hock (3-2) one end Middle face is linear depression, protrusion and depressed section seamless interfacing, intermeshing；Lower hock (3-1) and upper hock Lower hock axis hole (3-1-1) and upper hock axis hole (3-2-1) are respectively equipped at the center (3-2), wherein lower hock axis hole (3-1-1) Cooperate with the motor reducer (2-3) on motor (2), upper hock axis hole (3-2-1) and multi-diameter shaft (3-3) one end fits.

4. a kind of vehicle dormer window with overload protection function according to claim 1, it is characterised in that: the driving dress Two sets are set to, is symmetrically disposed on two free segments of U-shaped braced frame (1), two sets of driving devices are in glass supporter (12) Connection.

5. a kind of vehicle dormer window with overload protection function according to claim 4, it is characterised in that: the driving dress It sets including flexible axle (4), spacing bracket (10) and guide rail (6), guide rail (6) is fixed on the free end of the U-shaped braced frame (1), Front end sliding block (7) are set on guide rail (6) and intermediate slider (8), flexible axle (4) one end are engaged with the transmission gear (3-5), flexible axle (4) other end is connect with front end sliding block (7), and front end sliding block (7) can be slided along guide rail (6), and intermediate slider (8) is fixed on guide rail (6) on, hingedly, the midfoot support of spacing bracket (10) is in intermediate slider (8) for spacing bracket (10) one end and front end sliding block (7) On, the other end of spacing bracket (10) is connect by connecting rod (11) with limit tray (9), and guide rail (6) are fixed in limit tray (9) On, connecting rod (11) is rotated around limit tray (9), fixes glass supporter (12) in spacing bracket (10).

6. a kind of vehicle dormer window with overload protection function according to claim 5, it is characterised in that the flexible axle (4) it is set in flexible axle conduit (5), flexible axle conduit (5) is arranged on U-shaped braced frame (1).