CN219969624U - Mounting structure of seatbelt retractor and vehicle - Google Patents

Abstract

The present utility model relates to a seatbelt retractor mounting structure and a vehicle. The mounting structure includes: the mounting bracket comprises a mounting main board, a first side board and a second side board, wherein the first side board and the second side board are arranged at the adjacent edges of the mounting main board, are bent relative to the mounting main board, the first side board is connected with the surface of the D column, the second side board is connected with the surface of the rear side wall inner board, the mounting main board is provided with a fixing hole and a fixing groove, and the fixing hole and the fixing groove are used for fixedly mounting the safety belt retractor; and a fixed reinforcing plate connecting the rear side wall inner plate with the installation main plate. The installing support is fixed at D post and rear side wall inner panel to support installation safety belt retractor, simultaneously, fixed reinforcing plate connects installing support and rear side wall inner panel, guarantees the passive installation strength requirement of safety belt retractor, promotes the overall rigidity of installing support, realizes the reliable support to safety belt retractor, guarantees that safety belt retractor can not take place abnormal sound at work, promotes the travelling comfort and the whole car quality that the passenger took.

Description

Mounting structure of seatbelt retractor and vehicle

Technical Field

The utility model relates to the technical field of travel equipment, in particular to a mounting structure of a safety belt retractor and a vehicle.

Background

There are two general ways of securing a rear seat belt retractor for a vehicle: one is directly fixed on the stay plate of the rear windowsill, the other is to fix the safety belt retractor by using a mounting bracket, and the mounting bracket is connected with the rear side wall inner plate and the D column inner plate in a welding or screw connection mode. For the former safety belt retractor fixing scheme, a vehicle type needs to be provided with a rear windowsill supporting plate, and the scheme needs to be added with a reinforcing plate to ensure the passive safety performance of the safety belt, so that the weight of the whole vehicle is increased.

The installation support is generally selected to fix the safety belt retractor by the existing vehicle type, so that the passive safety performance of the safety belt is guaranteed by the fixing support, the fixed point of the safety belt retractor is required to be higher than 800N/mm under the working environment of 50Hz-150Hz, the abnormal sound cannot occur in the working process of the retractor, and the riding comfort of the whole vehicle is improved. However, the dynamic stiffness performance of the fixed point of the safety belt retractor is neglected, abnormal sound occurs when the retractor works under the specific frequency environment when the dynamic stiffness of the fixed point is lower than the target requirement, and the riding comfort experience is affected.

Disclosure of Invention

Accordingly, it is necessary to provide a seatbelt retractor mounting structure and a vehicle capable of ensuring dynamic stiffness performance of a seatbelt retractor mounting point and avoiding occurrence of abnormal noise during operation, in order to solve the problem that abnormal noise is easily generated when a seatbelt retractor is fixed by a fixing bracket.

A mounting structure of a seatbelt retractor mounted to a D pillar and a rear side inner panel of a vehicle for mounting the seatbelt retractor, the mounting structure comprising:

the mounting bracket comprises a mounting main board, a first side board and a second side board, wherein the first side board and the second side board are arranged at the adjacent edges of the mounting main board, are bent relative to the mounting main board, the first side board is connected with the surface of the D column, the second side board is connected with the surface of the rear side wall inner board, the mounting main board is provided with a fixing hole and a fixing groove, and the fixing hole and the fixing groove are fixedly arranged on the safety belt retractor; and

and fixing a reinforcing plate, and connecting the rear side wall inner plate with the installation main plate.

In an embodiment of the utility model, the mounting structure has a first welding position and a second welding position, the first welding position is located on the first side plate, the first welding position is used for welding and connecting the first side plate and the D pillar, the second welding position is located on the second side plate, and the second welding position is used for welding and connecting the second side plate and the rear side wall inner plate;

the first welding position and the second welding position are provided with at least two rows of welding spots.

In an embodiment of the utility model, the mounting bracket has a first rib, a second rib and a third rib, wherein the first rib is disposed on the mounting main board along the length direction of the vehicle, the second rib is L-shaped and disposed on the mounting main board, and the third rib is disposed on the second side board along the height direction of the vehicle.

In one embodiment of the utility model, the first ribs are aligned with or at least partially offset from the third ribs.

In an embodiment of the utility model, the fixing reinforcement plate includes a first reinforcement plate and a second reinforcement plate, the first reinforcement plate and the second reinforcement plate are connected to each other and are bent, the first reinforcement plate is connected to the installation main plate, and the second reinforcement plate is connected to the side body inner plate.

In an embodiment of the utility model, the first reinforcing plate is provided with an avoidance notch, and the avoidance notch is arranged corresponding to the fixing groove.

In an embodiment of the utility model, the fixing reinforcing plate further includes a reinforcing rib, and the reinforcing rib is protruding and disposed on the first reinforcing plate and the second reinforcing plate and is disposed through the first reinforcing plate and the second reinforcing plate.

In an embodiment of the utility model, the reinforcing rib covers the first rib of the mounting bracket at a part of the first reinforcing plate.

In an embodiment of the present utility model, the mounting structure further includes a third welding position and a fourth welding position, where the third welding position is located at the first reinforcing plate, the third welding position is welded to connect the first reinforcing plate and the mounting main plate, the fourth welding position is located at the second reinforcing plate, and the fourth welding position is welded to connect the second reinforcing plate and the side body inner plate;

and the third welding position and the fourth welding position are provided with at least two rows of welding spots.

In an embodiment of the utility model, the fixed reinforcement plate further includes symmetrically disposed flanges, and the flanges connect edges of the first reinforcement plate and the second reinforcement plate.

The vehicle comprises a vehicle body main body, a safety belt retractor and the mounting structure according to any technical characteristic, wherein the vehicle body main body comprises a D column and a rear side wall inner plate, the D column is positioned on the side surface of the rear side wall inner plate, the mounting structure is mounted on the D column and the rear side wall inner plate, and the safety belt retractor is mounted on the mounting structure.

The mounting structure of the safety belt retractor and the vehicle are mounted on the D column and the rear side wall inner plate of the vehicle and are used for realizing reliable fixing of the safety belt retractor. This mounting structure passes through the installing support and is connected with D post and rear side wall inner panel, the installation mainboard of installing support has fixed orifices and fixed slot, the bolt passes fixed orifices and connects the safety belt coiler, the safety belt coiler still blocks and establishes in the fixed slot for the safety belt coiler is reliably fixed at the installation mainboard, moreover, the D post surface is connected to the first side board of installing support, the surface of rear side wall inner panel is connected to the second side board, the installation mainboard is connected with rear side wall inner panel to the fixed reinforcing plate of rethread, in order to reliably support the installing support, make the reliable fixing of mounting structure at D post and rear side wall inner panel.

The installing support of this mounting structure is fixed at D post and rear side wall inner panel to support installation safety belt retractor, simultaneously, fixed reinforcing plate connects installing support and rear side wall inner panel, guarantees the passive installation strength requirement of safety belt retractor, promotes the bulk rigidity of installing support, realizes the reliable support to safety belt retractor, guarantees that safety belt retractor can not take place the abnormal sound at work, promotes the travelling comfort and the whole car quality that the passenger took.

Drawings

Fig. 1 is a partial schematic view of a mounting structure of an embodiment of the present utility model mounted to a D pillar and a side fascia inner panel of a vehicle.

Fig. 2 is an enlarged view of a portion of the mounting structure shown in fig. 1 as seen from an angle of the D pillar and the side body inner panel mounted to the vehicle.

Fig. 3 is an enlarged partial view of the D pillar and the side fascia inner panel of the vehicle to which the mounting structure shown in fig. 1 is mounted, from another angle.

Fig. 4 is an enlarged view of a portion of the D pillar and the side fascia inner panel of the vehicle to which the mounting structure shown in fig. 1 is mounted from a further perspective.

Fig. 5 is a perspective view of the mounting bracket in the mounting structure shown in fig. 3.

Fig. 6 is a top view of the mounting bracket shown in fig. 5.

Fig. 7 is a rear view of the mounting bracket shown in fig. 5.

Fig. 8 is a perspective view of the fixing reinforcing plate in the mounting structure shown in fig. 3.

Wherein: 100. a mounting structure; 110. a mounting bracket; 111. installing a main board; 1111. a fixing hole; 1112. a fixing groove; 1113. a first positioning hole; 112. a first side plate; 113. a second side plate; 114. folding edges; 115. a first rib; 116. second ribs; 117. third ribs; 120. fixing the reinforcing plate; 121. a first reinforcing plate; 1211. avoiding the notch; 1212. a second positioning hole; 122. a second reinforcing plate; 123. reinforcing ribs; 124. flanging; 130. a first welding site; 140. a second welding position; 150. a third welding position; 160. a fourth welding position; 200. a seatbelt retractor; 300. a D column; 400. a rear side wall inner plate.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that, if any, these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., are used herein with respect to the orientation or positional relationship shown in the drawings, these terms refer to the orientation or positional relationship for convenience of description and simplicity of description only, and do not indicate or imply that the apparatus or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, the meaning of a first feature being "on" or "off" a second feature, and the like, is that the first and second features are either in direct contact or in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. If 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. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein, if any, are for descriptive purposes only and do not represent a unique embodiment.

Referring to fig. 1 to 3, the present utility model provides a mounting structure 100 of a seatbelt retractor 200. The mounting structure 100 is mounted to the D pillar 300 and the side body inner panel 400 of the vehicle for mounting the seatbelt retractor 200. That is, the present utility model fixes the seatbelt retractor 200 to the vehicle by the mounting structure 100 and achieves reliable fixation of the seatbelt retractor 200. Fig. 1 is a partial schematic view of a mounting structure 100 of an embodiment of the present utility model mounted on a D pillar 300 and a side body inner panel 400 of a vehicle, fig. 2 is a partial enlarged view of the mounting structure 100 of fig. 1 mounted on the D pillar 300 and the side body inner panel 400 of the vehicle, seen from an angle, and fig. 3 is a partial enlarged view of the mounting structure 100 of fig. 1 mounted on the D pillar 300 and the side body inner panel 400 of the vehicle, seen from another angle.

At present, when the safety belt retractor is fixed through a fixed support, the dynamic stiffness performance of a fixed point of the safety belt retractor is ignored, the dynamic stiffness of the fixed point is lower than the target requirement, abnormal sound occurs when the retractor works in a specific frequency environment, and the riding comfort experience is affected. Therefore, the novel installation structure 100 provided by the utility model can ensure the passive installation strength requirement of the safety belt retractor 200, improve the overall rigidity of the installation structure 100, realize the reliable support of the safety belt retractor 200, ensure that the safety belt retractor 200 cannot generate abnormal sound during operation, and improve the riding comfort of passengers and the quality of the whole vehicle. The following describes a specific structure of the mounting structure 100 of an embodiment.

In one embodiment, the mounting structure 100 includes a mounting bracket 110 and a fixed stiffener 120. The mounting bracket 110 includes a mounting main board 111, a first side board 112 and a second side board 113, the first side board 112 and the second side board 113 are disposed at adjacent edges of the mounting main board 111 and are bent relative to the mounting main board 111, the first side board 112 is connected with a surface of the D pillar 300, the second side board 113 is connected with a surface of the back side inner panel 400, the mounting main board 111 has a fixing hole 1111 and a fixing groove 1112, and the fixing hole 1111 and the fixing groove 1112 are fixedly mounted on the seatbelt retractor 200. The fixing reinforcement plate 120 connects the side body inner panel 400 with the mounting main plate 111.

The mounting bracket 110 is a main body part of the mounting structure 100 for supporting and mounting the seatbelt retractor 200. The mounting bracket 110 fixedly connects the D pillar 300 of the vehicle with the side body inner panel 400, and the seatbelt retractor 200 is mounted on the lower surface of the mounting bracket 110, thus fixing the seatbelt retractor 200 to the vehicle. In addition, in order to further ensure the fixing reliability of the seatbelt retractor 200, the mounting structure 100 of the present utility model further includes a fixing reinforcing plate 120, and the fixing reinforcing plate 120 connects the mounting bracket 110 with the side back inner panel 400 to further reliably support the mounting bracket 110, thereby improving the rigidity of the mounting bracket 110 and avoiding abnormal noise of the seatbelt retractor 200 during operation.

For better description of the specific structure of the mounting structure 100, the front-rear left-right direction is introduced here, the longitudinal direction of the vehicle is the front-rear direction, the direction of the head is the front, the direction of the tail is the rear, the width direction of the vehicle is the left-right direction, the main driver's seat is the left side, the co-driver's seat is the right side, and the height direction of the vehicle is the up-down direction.

Taking the installation position of the installation structure 100 shown in fig. 1 as an example, the side body inner panel 400 is located at the rear side of the installation bracket 110, the D pillar 300 is located at the left side of the installation bracket 110, the side surfaces of the installation bracket 110 are respectively connected with the surface of the side body inner panel 400 and the surface of the D pillar 300, the seatbelt retractor 200 is installed at the lower surface of the installation bracket 110, and the fixing reinforcing plate 120 is connected with the side body inner panel 400 above the installation bracket 110.

Specifically, the mounting bracket 110 includes a mounting main board 111, a first side board 112 and a second side board 113, the mounting main board 111 is disposed along a horizontal direction, the first side board 112 is located at a left side edge of the mounting bracket 110, the second side board 113 is disposed at a rear side edge of the mounting bracket 110, and the second side board 113 is further connected to the first side board 112. The first side plate 112 and the second side plate 113 are bent with respect to the mounting main plate 111. In this way, the first side panel 112 can be attached to the surface of the D pillar 300 and the second side panel 113 can be attached to the surface of the side quarter inner panel 400, so that the mounting bracket 110 is connected to the D pillar 300 and the side quarter inner panel 400.

Furthermore, the fixing holes 1111 and the fixing grooves 1112 are provided on the surface of the mounting main plate 111 at intervals, and after the seatbelt retractor 200 is mounted on the mounting main plate 111, the locking positions of the seatbelt retractor 200 are locked in the fixing grooves 1112, and furthermore, bolts are mounted on the seatbelt retractor 200 through the fixing holes 1111, ensuring a limiting effect on the seatbelt retractor 200, so that the seatbelt retractor 200 is reliably fixed on the mounting bracket 110. Meanwhile, a part of the fixing reinforcing plate 120 is connected with the mounting main plate 111, and the other part is connected with the rear side inner panel 400, so as to support and fix the mounting bracket 110, thereby improving the rigidity of the mounting bracket 110.

In the mounting structure 100 of the above embodiment, the mounting bracket 110 is fixed on the D pillar 300 and the rear side inner panel 400, and supports and mounts the seat belt retractor 200, and meanwhile, the fixing reinforcing plate 120 connects the mounting bracket 110 and the rear side inner panel 400, so as to ensure the passive mounting strength requirement of the seat belt retractor 200, improve the overall rigidity of the mounting bracket 110, realize the reliable support of the seat belt retractor 200, ensure that the seat belt retractor 200 does not generate abnormal noise during operation, and improve the riding comfort of passengers and the quality of the whole vehicle.

Alternatively, the mounting main board 111, the first side board 112, and the second side board 113 are integrally formed. That is, the mounting bracket 110 is of an integrally formed structure, so that the structural strength of the mounting bracket 110 can be ensured, thereby achieving reliable support of the seatbelt retractor 200. Alternatively, the mounting bracket 110 is made of sheet metal. Alternatively, the thickness dimension of the mounting bracket 110 is in the range of 1.6mm to 2mm, ensuring the passive safety performance of the mounting bracket 110. Illustratively, the thickness dimension of the mounting bracket 110 is 1.8mm.

As shown in fig. 4, in an embodiment, the mounting structure 100 has a first welding position 130 and a second welding position 140, the first welding position 130 is located on the first side board 112, the first welding position 130 is welded to connect the first side board 112 and the D pillar 300, the second welding position 140 is located on the second side board 113, and the second welding position 140 is welded to connect the second side board 113 and the side body inner panel 400. Fig. 4 is a partially enlarged view of the mounting structure 100 shown in fig. 1 as seen from a further angle, when mounted to the D pillar 300 and the side body inner panel 400 of a vehicle. That is, the mounting bracket 110 is welded to the D pillar 300 and the side body inner panel 400, so that the reliability of the connection between the mounting bracket 110 and the D pillar 300 and the side body inner panel 400 is ensured.

The first welding position 130 is disposed on the first side board 112, and the welding device welds the first side board 112 and the D-pillar 300 at the first welding position 130, so that the mounting bracket 110 is fixedly connected with the D-pillar 300. The second welding position 140 is disposed on the second side plate 113, and the welding device is welded to connect the second side plate 113 and the rear side inner plate 400 at the second welding position 140, so that the mounting bracket 110 is fixedly connected with the rear side inner plate 400.

In one embodiment, the first and second solder joints 130 and 140 each have at least two rows of solder joints. That is, the first welding spot 130 is welded to the first side panel 112 and the D pillar 300 by at least two rows of welding spots, and the second welding spot 140 is welded to the second side panel 113 and the side body pillar 400 by at least two rows of welding spots. The reliability of connection between the mounting bracket 110 and the D column 300 and the rear side wall inner plate 400 can be guaranteed by at least two rows of welding spots, the passive safety strength performance of the mounting bracket 110 can be effectively improved, and the mounting requirement of the safety belt retractor 200 is met.

As shown in fig. 4, the first welding spot 130 has two rows of welding spots, and each row has a plurality of welding spots arranged at intervals, and the second welding spot 140 has two rows of welding spots, and each row also has a plurality of welding spots arranged at intervals. After the simulation experiment, the arrangement form of the two rows of welding spots can meet the installation requirement of the installation bracket 110 for supporting the safety belt retractor 200. Of course, in other embodiments of the present utility model, the first welding position 130 and the second welding position 140 may also be in the form of multiple rows of welding points, welding rods, or the like, or may be combined by adopting welding points and bolting, so long as the mounting bracket 110 is ensured to be reliably fixed to the D pillar 300 and the side body inner panel 400.

Referring to fig. 3 and fig. 6 to 5, in an embodiment, the mounting bracket 110 has a first rib 115, a second rib 116 and a third rib 117, the first rib 115 is disposed on the mounting main board 111 along the length direction of the vehicle, the second rib 116 is L-shaped and disposed on the mounting main board 111, and the third rib 117 is disposed on the second side board 113 along the height direction of the vehicle. Fig. 5 is a perspective view of the mounting bracket 110 in the mounting structure 100 shown in fig. 3, fig. 6 is a top view of the mounting bracket 110 shown in fig. 5, and fig. 7 is a rear view of the mounting bracket 110 shown in fig. 5.

The provision of the first bead 115, the second bead 116, and the third bead 117 can improve the structural strength of the mounting bracket 110, so that the mounting bracket 110 can reliably support the seatbelt retractor 200. Specifically, the first rib 115 is provided on the mounting main board 111, the first rib 115 is a transverse rib, that is, is provided along the longitudinal direction of the vehicle, and the first rib 115 can support the mounting bracket 110 in the longitudinal direction of the vehicle. The second ribs 116 are disposed on the mounting main board 111, the second ribs 116 are disposed at intervals from the first ribs 115, the second ribs 116 are disposed in an L-shape, and the second ribs 116 extend along the longitudinal direction and the width direction of the vehicle, respectively, so as to support the mounting bracket 110. The third rib 117 is disposed on the second side plate 113, the third rib 117 is a vertical rib, that is, disposed along the height direction of the vehicle, and the third rib 117 can support the mounting bracket 110 in the height direction of the vehicle.

That is, the first rib 115, the second rib 116 and the third rib 117 are disposed along the length direction, the width direction and the height direction of the vehicle, so that the acting force applied to the mounting bracket 110 in each direction can be dispersed, thereby reliably supporting the mounting bracket 110, ensuring the rigidity and strength requirements of the mounting bracket 110, and thus enabling the mounting bracket 110 to reliably support the seatbelt retractor 200.

In one embodiment, as shown in fig. 7, the first ribs 115 are aligned with or at least partially offset from the third ribs 117. That is, the projections of the first ribs 115 and the third ribs 117 in the direction shown in fig. 7 may be overlapped or may be staggered, as long as the structural strength of the mounting bracket 110 can be ensured. In this embodiment, the first ribs 115 are disposed corresponding to the third ribs 117, as shown in fig. 7. Of course, in other embodiments of the present utility model, the first ribs 115 and the third ribs 117 may be at least partially offset.

It can be appreciated that when the ribs are provided on the mounting bracket 110, the utility model firstly performs stress analysis simulation on the mounting bracket 110, and optimally arranges the supporting paths of the ribs of the mounting bracket 110 through morphology, thereby forming the first ribs 115, the second ribs 116 and the third ribs 117 so as to ensure the rigidity and strength requirements of the mounting bracket 110.

In one embodiment, the mounting bracket 110 further has a flange 114, and the flange 114 is located at a front edge of the mounting main board 111 and is connected to the first side board 112. That is, the folded edge 114 is disposed opposite to the second side plate 113, and the mounting bracket 110 is supported by the folded edge 114, thereby improving the structural strength of the mounting bracket 110.

Referring to fig. 3 and 8, in an embodiment, the fixing reinforcement panel 120 includes a first reinforcement panel 121 and a second reinforcement panel 122, the first reinforcement panel 121 and the second reinforcement panel 122 are connected to each other and are bent, the first reinforcement panel 121 is connected to the mounting main panel 111, and the second reinforcement panel 122 is connected to the side body inner panel 400. Fig. 8 is a perspective view of the fixing reinforcing plate 120 in the mounting structure 100 shown in fig. 3.

After the fixing reinforcement plate 120 is mounted to the mounting bracket 110, the fixing reinforcement plate 120 is attached to the surface of the mounting main plate 111 through the first reinforcement plate 121 and to the surface of the rear side inner panel 400 through the second reinforcement plate 122, thereby establishing again the connection between the mounting bracket 110 and the rear side inner panel 400 to reliably support the mounting bracket 110.

Alternatively, the first reinforcing plate 121 and the second reinforcing plate 122 are disposed in an L shape. This facilitates the attachment of the first reinforcement panel 121 to the mounting main panel 111 and the second reinforcement panel 122 to the side body inner panel 400. Alternatively, the first reinforcing plate 121 and the second reinforcing plate 122 are integrally formed. That is, the fixing reinforcing plate 120 is manufactured in an integral molding manner to secure structural strength of the fixing reinforcing plate 120, thereby enabling the fixing reinforcing plate 120 to support the mounting bracket 110. Alternatively, the fixing reinforcing plate 120 is made of sheet metal. Alternatively, the thickness of the fixing reinforcing plate 120 is 1.2mm to 1.7mm. Illustratively, the thickness of the fixed reinforcement plate 120 is 1.5mm.

In an embodiment, the first reinforcing plate 121 has an avoidance notch 1211, and the avoidance notch 1211 is disposed corresponding to the fixing groove 1112. That is, the first reinforcing plate 121 dodges the fixing groove 1112 through the dodging gap 1211, thereby avoiding interference between the first reinforcing plate 121 and the seatbelt retractor 200, ensuring that the first reinforcing plate 121 can be accurately attached to the mounting main plate 111, and further ensuring the reliability of connection between the first reinforcing plate 121 and the mounting bracket 110.

Referring to fig. 3 and 8, in an embodiment, the fixing reinforcement plate 120 further includes reinforcement ribs 123, where the reinforcement ribs 123 are disposed protruding from and penetrating the first reinforcement plate 121 and the second reinforcement plate 122. The reinforcing ribs 123 are located at a central region of the fixed reinforcing plate 120, and the reinforcing ribs 123 protrude and penetrate through the first reinforcing plate 121 and the second reinforcing plate 122, and the structural strength of the fixed reinforcing plate 120 is reinforced by the reinforcing ribs 123, so that the fixed reinforcing plate 120 reliably supports the mounting bracket 110.

Referring to fig. 3 and 8, in one embodiment, the reinforcement ribs 123 cover the first ribs 115 of the mounting bracket 110 at a portion of the first reinforcement plate 121. That is, the reinforcing ribs 123 are disposed protruding from the upper surface of the first reinforcing plate 121 and are recessed from the lower surface of the first reinforcing plate 121. When the first reinforcing plate 121 is mounted on the mounting main board 111, the first ribs 115 are just located in the recess formed by protruding the reinforcing ribs 123, so that the structural strength of the fixed reinforcing plate 120 is ensured, the first reinforcing plate 121 can be attached to the mounting bracket 110, and the fixed reinforcing plate 120 can be reliably supported on the mounting bracket 110.

Referring to fig. 3, in an embodiment, the mounting structure 100 further includes a third welding position 150 and a fourth welding position 160, the third welding position 150 is located at the first reinforcing plate 121, the first reinforcing plate 121 is welded to the mounting main plate 111 at the third welding position 150, the fourth welding position 160 is located at the second reinforcing plate 122, and the second reinforcing plate 122 is welded to the side rear inner plate 400 at the fourth welding position 160. That is, the fixing reinforcement panel 120 is welded to the mounting main panel 111 and the side body inner panel 400, and the reliability of the connection between the fixing reinforcement panel 120 and the mounting main panel 111 and the side body inner panel 400 is ensured.

The third welding position 150 is disposed on the first reinforcing plate 121, and the welding device welds the first reinforcing plate 121 to the mounting main plate 111 at the third welding position 150, so that the fixing reinforcing plate 120 is fixedly connected to the mounting bracket 110. The fourth welding position 160 is disposed on the second reinforcement panel 122, and the welding apparatus connects the second reinforcement panel 122 and the quarter inner panel 400 at the fourth welding position 160, such that the fixed reinforcement panel 120 is fixedly connected with the quarter inner panel 400.

In one embodiment, the third bond site 150 and the fourth bond site 160 each have at least two rows of bond pads. That is, the third welding site 150 connects the first reinforcement panel 121 with the mounting main panel 111 through at least two rows of welding spots, and the fourth welding site 160 connects the second reinforcement panel 122 with the side body inner panel 400 through at least two rows of welding spots. The at least two rows of welding spots can ensure that the fixing reinforcing plate 120 is reliably connected with the mounting bracket 110 and the rear side wall inner plate 400, so that the passive safety strength performance of the mounting bracket 110 can be effectively improved, and the mounting requirement of the safety belt retractor 200 is met.

As shown in fig. 3, the third welding site 150 has two rows of welding spots on both sides of the reinforcing rib 123, and the fourth welding site 160 has two rows of welding spots on both sides of the reinforcing rib 123. After the simulation experiment, the arrangement form of the two rows of welding spots can meet the supporting requirement of the fixed reinforcing plate 120 on the mounting bracket 110. Of course, in other embodiments of the present utility model, the third welding position 150 and the fourth welding position 160 may also be in the form of multiple rows of welding points, welding rods, or the like, or may be combined by adopting welding points and bolting, so long as the fixing reinforcing plate 120 can reliably support the mounting bracket 110.

In the utility model, the mounting bracket 110 is respectively and fixedly connected to the D column 300 and the rear side wall inner plate 400 through the two rows of welding spots of the first welding position 130 and the second welding position 140, and the fixed reinforcing plate 120 is connected to the mounting bracket 110 and the rear side wall inner plate 400 through the two rows of welding spots of the third welding position 150 and the fourth welding position 160, so that the passive safety strength performance of the mounting bracket 110 is effectively improved, the dynamic stiffness of the safety belt retractor 200 under the condition of the mounting bracket 110 is enhanced, the dynamic stiffness is more than 800 N.mm under the condition of the working frequency of 50Hz-150Hz, abnormal noise is avoided in the operation process of the safety belt retractor 200, and the riding comfort of passengers is improved.

Referring to fig. 5 and 8, in an embodiment, the mounting main plate 111 has a first positioning hole 1113, the first reinforcing plate 121 has a second positioning hole 1212, and the first positioning hole 1113 is provided corresponding to the second positioning hole 1212 and is used to position the mounting of the seatbelt retractor 200. That is, the seatbelt retractor 200 is positioned by the first positioning hole 1113 and the second positioning hole 1212 before being mounted to the mounting main plate 111, ensuring that the mounting position of the seatbelt retractor 200 is accurate. Further, after the first reinforcing plate 121 is attached to the attachment main plate 111, the first positioning hole 1113 is provided in correspondence with and in communication with the second positioning hole 1212, and after the seatbelt retractor 200 is attached to the attachment main plate 111, the positioning piece thereon is attached to the first positioning hole 1113 and the second positioning hole 1212, thereby positioning the seatbelt retractor 200.

In an embodiment, the fixed reinforcement plate 120 further includes symmetrically disposed flanges 124, and the flanges 124 connect edges of the first reinforcement plate 121 and the second reinforcement plate 122. That is, the edge of the fixed reinforcement plate 120 has a flange 124 bent toward the front side, and the flange 124 can raise dynamic stiffness requirements of the mounting bracket 110 in various directions.

In the installation structure 100 of the utility model, the installation bracket 110 is fixed on the D column 300 and the rear side inner plate 400, and supports and installs the safety belt retractor 200, meanwhile, the fixed reinforcing plate 120 is connected with the installation bracket 110 and the rear side inner plate 400, so that the passive installation strength requirement of the safety belt retractor 200 is ensured, the integral rigidity of the installation bracket 110 is improved, the reliable support of the safety belt retractor 200 is realized, abnormal noise of the safety belt retractor 200 during operation is avoided, and the riding comfort of passengers and the quality of the whole automobile are improved.

The utility model also provides a vehicle, comprising a vehicle body, a safety belt retractor 200 and the mounting structure 100 of any embodiment, wherein the vehicle body comprises a D pillar 300 and a rear side wall inner plate 400, the D pillar 300 is positioned on the side surface of the rear side wall inner plate 400, the mounting structure 100 is mounted on the D pillar 300 and the rear side wall inner plate 400, and the safety belt retractor 200 is mounted on the mounting structure 100. By adopting the mounting structure 100 of the embodiment, the vehicle can realize reliable mounting of the safety belt retractor 200, ensure that abnormal sound cannot occur to the safety belt retractor 200 during operation, and improve riding comfort of passengers and overall vehicle quality.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (11)

1. A mounting structure of a seatbelt retractor, characterized by being mounted to a D pillar and a rear side inner panel of a vehicle for mounting the seatbelt retractor, comprising:

the mounting bracket comprises a mounting main board, a first side board and a second side board, wherein the first side board and the second side board are arranged at the adjacent edges of the mounting main board, are bent relative to the mounting main board, the first side board is connected with the surface of the D column, the second side board is connected with the surface of the rear side wall inner board, the mounting main board is provided with a fixing hole and a fixing groove, and the fixing hole and the fixing groove are fixedly arranged on the safety belt retractor; and

and fixing a reinforcing plate, and connecting the rear side wall inner plate with the installation main plate.

2. The mounting structure of claim 1, wherein the mounting structure has a first weld location and a second weld location, the first weld location being located at the first side panel, the first weld location being welded to connect the first side panel and the D-pillar, the second weld location being located at the second side panel, the second weld location being welded to connect the second side panel and the side quarter inner panel;

the first welding position and the second welding position are provided with at least two rows of welding spots.

3. The mounting structure according to claim 1, wherein the mounting bracket has a first rib, a second rib, and a third rib that are protruded, the first rib is disposed on the mounting main board in a longitudinal direction of the vehicle, the second rib is disposed on the mounting main board in an L-shape, and the third rib is disposed on the second side board in a height direction of the vehicle.

4. A mounting arrangement according to claim 3, wherein the first ribs are aligned with or at least partially offset from the third ribs.

5. The mounting structure according to any one of claims 1 to 4, wherein the fixed reinforcement plate includes a first reinforcement plate and a second reinforcement plate, the first reinforcement plate and the second reinforcement plate are connected to each other and are provided in a bent manner, the first reinforcement plate is connected to the mounting main plate, and the second reinforcement plate is connected to the side back inner plate.

6. The mounting structure of claim 5, wherein the first reinforcing plate has an avoidance gap disposed in correspondence to the fixing groove.

7. The mounting structure of claim 5, wherein the fixed reinforcement plate further comprises reinforcement ribs protruding from and penetrating the first reinforcement plate and the second reinforcement plate.

8. The mounting structure of claim 7, wherein the reinforcing ribs cover the first ribs of the mounting bracket at portions of the first reinforcing plate.

9. The mounting structure according to claim 5, further comprising a third welding position and a fourth welding position, the third welding position being located at the first reinforcement panel, the first reinforcement panel being welded to the mounting main panel at the third welding position, the fourth welding position being located at the second reinforcement panel, the second reinforcement panel being welded to the side back inner panel at the fourth welding position;

and the third welding position and the fourth welding position are provided with at least two rows of welding spots.

10. The mounting structure of claim 5, wherein the fixed reinforcement plate further comprises symmetrically disposed flanges connecting edges of the first reinforcement plate and the second reinforcement plate.

11. A vehicle comprising a body, a seatbelt retractor, and the mounting structure of any one of claims 1 to 10, the body comprising a D pillar and a quarter inner panel, the D pillar being located on a side of the quarter inner panel, the mounting structure being mounted to the D pillar and the quarter inner panel, the seatbelt retractor being mounted to the mounting structure.