TWI607140B - Vehicle door fixation device - Google Patents

Description

Door fixing device

The invention relates to a door fixing device, in particular to a door fixing device for improving the rigidity of a vehicle and optimizing its handling and stability.

In order to increase the maneuverability (Improved Maneuverability), existing vehicles mainly rely on the setting of the chassis suspension system. Since the vehicle body structure is a single structure, the suspension system of the vehicle is mounted on the structure of the vehicle body. When the suspension system acts, the stress to be applied will relatively cause the load on the vehicle body. Therefore, the rigidity of the vehicle body supporting the suspension system is preferably as good as possible, so that the smaller the distortion amount, the better. When the suspension system is more and more, the more rigid car body structure is needed, so that the suspension system can work perfectly and fully, and the driving dynamics of the car body is more complete.

In addition, the vehicle research report further pointed out that when the vehicle is cornering, changing lanes, or even driving a mountain road, the door will generate inertial force and increase the steering wheel rotation amplitude, thereby affecting the handling and stability of the vehicle. Although the door hook forms a locked state with the lock hook of the vehicle body, so that the door becomes a part of the vehicle body, substantially there is still a gap after the door and the vehicle body are locked. Therefore, when the vehicle is in a driving state such as turning, the door may be displaced and cannot completely close with the vehicle body, thereby causing an increase in the deflection of the steering wheel, thereby reducing the handling of the vehicle.

In view of this, the creator has made great efforts to solve the above problems by focusing on the above-mentioned prior art, and has devoted himself to the application of the theory, that is, the goal of the creator's improvement.

It is an object of the present invention to provide a door fixing device that enhances the rigidity of a vehicle and optimizes its handling and stability.

To achieve the above object, the present invention provides a vehicle door fixing device mounted on a vehicle body and latched with a door, the door having a door panel and a latching slot formed in the door panel and located at the door A door lock assembly inside the board. The door fixing device comprises a lock assembly and two positioning block assemblies. The latch assembly has a body, a latch extending perpendicularly from a side surface of the body, and a bent portion formed by bending from the two ends of the body. Each of the positioning block assemblies includes an elastic body disposed on the bent portion and a wedge cover fixed to the elastic body, wherein the wedge cover has an inclined surface abutting the door panel.

The present invention also has the advantage that the door fixing device of the present invention can be used to eliminate (fill in) the gap that may exist between the vehicle body and the door, so that the vehicle body and the door are more encrypted to form a structure.

In order to increase the rigidity of the door and the vehicle body, in one embodiment, a wedge block is also provided on one side of the buckle for abutting the latching groove gap located inside the vehicle body. The wedge block abuts the inner wall surface of the door by the elastic flaps on both sides to elastically absorb the gap in the one side of the latching groove.

In another specific embodiment, the surface of the elastic body is further distributed with a plurality of protrusions and the wedge cover is designed to have a rectangular frame, a rectangular frame is connected to a wedge plate, and is formed between the wedge plate and the rectangular frame. a gap enables the wedge plate to elastically move relative to the rectangular frame and abut against the projections to increase friction with the wedge cover, reduce bounce between the wedge cover, and slow down the door rush hit.

20‧‧ ‧ car door

22‧‧‧ Door panel

24‧‧‧Latch slot

100‧‧‧Door fixing device

110‧‧‧Lock assembly

112‧‧‧Ontology

114‧‧‧Strengthened ribs

120‧‧‧Lock

130‧‧‧Bend

132‧‧‧Positioning holes

140‧‧‧Assembled holes

150‧‧‧Positioning block assembly

160‧‧‧ Elastomers

162‧‧‧ positioning slot

164‧‧‧ guiding slot

166‧‧‧ receiving surface

168‧‧‧ undertake plane

170‧‧‧Protruding

180‧‧‧Wedge cover

182‧‧‧ sloping surface

184‧‧ plane

186, 198‧‧‧ positioning column

188‧‧‧ openings

189‧‧ ‧ gap

190‧‧‧Rectangular frame

192‧‧‧Wedge plate

194‧‧‧ ribs

196‧‧‧ gap

200‧‧‧Lock attachment cover

300‧‧‧ wedge block

310‧‧‧ wing

1 is a perspective view showing a lock assembly of the present invention.

2 is an exploded view showing a first preferred embodiment of the present invention.

3 is a combination diagram showing a first preferred embodiment of the present invention.

Figure 4 is a cross-sectional view showing a first preferred embodiment of the present invention.

Figure 5 is another angled cross-sectional view showing the first preferred embodiment of the present invention.

FIG. 6 is a schematic view showing the door of the present invention with a lock attachment cover attached to the door fixing device.

Figure 7 is a perspective view showing the mounting of a wedge block of the door fixing device of the present invention.

Figure 8 is a diagram showing the embodiment of Figure 7.

Figure 9 is an exploded view showing a second preferred embodiment of the present invention.

The detailed description and technical content of the present invention are set forth in the accompanying drawings.

As shown in FIG. 1 to FIG. 5, the present invention provides a vehicle door fixing device 100 mounted on a vehicle body (not shown) and latched with a door 20, the door 20 being provided with a door panel 22 and being opened in the A latching slot 24 of the door panel 22 is locked with a latch 120 mounted on the vehicle body to lock with a door lock assembly (not shown) disposed in the door 20, thereby allowing the door 20 to remain closed, for example, completely. status.

Referring to FIG. 6 together, the door fixing device 100 includes a lock assembly 110 and two positioning block assemblies 150. The latch assembly 110 has a body 112, a latch 120 extending perpendicularly from a surface of the body 112, and a bent portion 130 bent from both ends of the body 112. Each of the positioning block assemblies 150 includes an elastic body 160 disposed on the bent portion 130 and a wedge cover 180 fixed to the elastic body 160. The wedge cover 180 has an inclined surface 182 abutting the door panel 22.

In the first embodiment, each of the bent portions 130 is bent in the direction of the buckle 120 and then extends toward the parallel body 112, so that a gap (not shown) is formed between each of the bent portions 130 and the body 112. Each of the bent portions 130 further defines a positioning hole 132. The latch 120 is preferably in the shape of a horseshoe that is affixed to a reinforcing rib 114 of the body 112, such as by riveting or other suitable means, such that the latch 120 is positioned between the two positioning block assemblies 150, wherein the reinforcing ribs 114 are slightly offset from the body 112. A raised structure for reinforcing the rigidity of the body 112. In addition, the main body 112 is also provided with two fixing holes 140 such as bolts and the like to be screwed to the vehicle body (not shown).

As shown in FIG. 1, FIG. 2 and FIG. 3, the elastic body 160 is preferably joined to the positioning hole 132 of the bent portion 130 by injection molding. The material of the elastomer 160 described herein is preferably EPDM (ethylene propylene binary rubber), and its material property is elastic deformation under a certain load; when the load is removed, the original shape is restored. The EPDM rubber also has other characteristics such as weather resistance, heat resistance/high temperature, ozone resistance, and the like, and also has excellent insulating properties, and thus is employed in the present embodiment.

In addition, the elastic body 160 is further provided with a positioning groove 162 corresponding to the positioning hole 132, a guiding groove 164 connected from one end of the elastic body 160 to the positioning groove 162 and a receiving surface 166 corresponding to the inclined surface 182. The positioning groove 162 and the guiding groove 164 are respectively located on the receiving surface 166 and correspond to the wedge cover An inclined surface 182 of 180. The guiding groove 164 can guide the wedge cover 180 to be smoothly assembled in the positioning groove 162 of the elastic body 160.

As shown in FIGS. 2, 3 and 6, the wedge cover 180 is further provided with a flat surface 184 connecting the inclined surface 182 and a positioning post 186 protruding from the inner surface of the wedge cover 180. The inclined surface 182 and the receiving surface 166 as shown in the drawing are preferably gradually increased in angle toward the inner direction of the vehicle body (not shown) to eliminate the gap and to be in close contact with the door 20. The length of the inclined surface 182 is greater than the length of the plane 184 such that the surface of the door 20 can be from the exterior of the vehicle along the inclined surface 182 until it abuts against the plane 184.

Further, the plane 160 of the elastic body 160 corresponding to the wedge cover 180 is also provided with a receiving plane 168 to provide a reaction force after the door 20 collides with friction. The material of the wedge cover 180 referred to herein is preferably polyoxymethylene (POM), also known as plastic steel, which has excellent low friction, wear resistance, excellent dimensional stability, and hardness similar to metal. , strength and rigidity are very suitable for use in this embodiment.

As shown in FIG. 5, the positioning post 186 is correspondingly inserted into the positioning groove 162 of the elastic body 160. The size of the head end of the positioning post 186 is larger than the groove width of the positioning groove 162, so that the wedge cover 180 can be stably assembled to the elastic body. 160 on. In addition, the outer shape of the wedge cover 180 of the first embodiment is preferably a rectangular frame body, and the corresponding frame body is provided with an opening 188, for example, engaging with the block of the elastic body 160 (not shown) to increase the assembly effect. The side frame of the wedge cover 180 is further formed with a notch 189 for the purpose of disassembly or replacement. Therefore, the wedge cover 180 of the embodiment can be directly sleeved on the elastic body 160, or the positioning post 186 can be slidably inserted into the positioning groove 162 by using the guiding groove 164 to complete the mounting of the wedge cover 180 to the elastic body 160. operating.

In the embodiment shown in FIG. 6, the door panel 22 is also mounted with at least one lock attachment cover 200 adjacent the latch slot (not shown). Each lock attachment cover 200 corresponds to the wedge shape of each positioning block assembly 150 The cover 180 is disposed and abutted against the inclined surface 182 to prevent scratching or abrasion of the paint of the door panel 22 while increasing the durability of the door panel 22 and each of the positioning block assemblies 150.

Therefore, when the door 20 abuts each of the wedge covers 180 by the respective lock covers 200, the door lock assembly (not shown) in the door 20 is simultaneously locked with the lock 120 to form a closed state. During the closing process, the elastomer 160 in each of the positioning block assemblies 150 provides resilience such that the wedge cover 180 can elastically fill the gap (not labeled) of the door 20. In other words, each positioning block assembly 150 can absorb the gap in the X direction of the door 20 to achieve a rigid increase in the integration of the door 20 with the vehicle body (not shown), thereby optimizing the handling and stability of the vehicle.

In addition, in order to make the door 20 and the vehicle body more structurally and to increase the rigidity of the vehicle body structure, a wedge block 300 is further added to the buckle 120, as shown in FIGS. 7 and 8. In this embodiment, the wedge block 300 is preferably formed by plastic injection molding, and is formed on the buckle 120 disposed on the inner side of the vehicle body to elastically absorb the gap of the latch groove 24 in the Y direction. . The material of the wedge block 300 is, for example, a POM or other suitable material having outwardly extending two wings 310 to elastically abut the two inner wall faces of the latching slot 24.

Please refer to FIG. 9 together for a partial exploded view of a second preferred embodiment of the present invention. In the present embodiment, the difference from the previous embodiment is that the surface of the elastic body 160 is further distributed with a plurality of protrusions 170 to increase the friction with the wedge cover 180, reduce the jitter between the wedge cover 180, and slow down. The impact of the door 20. Furthermore, the structure of the wedge cover 180 is different.

The wedge cover 180 of the embodiment includes a rectangular frame 190, a wedge plate 192 connecting one end of the rectangular frame 190 and extending toward the other end, a positioning post 198 protruding from the inner surface of the wedge plate 192, and a rectangular frame 190 a plurality of ribs 194 of the inner peripheral wall of the inner edge. A gap 196 is also formed between the wedge plate 192 and the rectangular frame 190. The gap 196 causes the wedge plate 192 to elastically move relative to the rectangular frame 190. Wedge cover 180 can Slidingly assembled on the elastic body 160, the positioning post 198 is inserted into the positioning groove 162 of the elastic body 160, wherein the positioning post 198 and the positioning groove 162 have a certain space (not shown), so that the wedge plate 192 can be relatively rectangular. The body 190 moves elastically. Each of the ribs 194 is positioned across the two sides of the elastic body 160 to increase the positioning effect.

Therefore, when the door 20 and the lock assembly 100 are latched and abut against the wedge covers 180, the door lock assembly (not shown) in the door 20 is simultaneously locked with the buckle 120 to form a closed state. During the closing process, the wedge plates 192 of the positioning block assemblies 150 can elastically abut the protruding portions 170 of the elastic body 160, so that the wedge plates 192 and the protruding portions 170 can absorb between the door panels 22 and the door panels 22 . A gap (not shown) increases the friction with the wedge cover 180, reduces the bounce between the wedge cover 180, and mitigates the impact of the door 20 impact. Therefore, each positioning block assembly 150 of the second embodiment can also absorb the gap in the direction of the door 20, thereby achieving the rigidity improvement of the integral of the door 20 and the vehicle body (not shown), thereby optimizing the handling and stability of the vehicle. .

In the above, the embodiments disclosed herein are to be considered as illustrative of the invention and not to limit the invention. The scope of the present invention is defined by the scope of the appended claims, and the legal equivalents thereof are not limited to the foregoing description.

100‧‧‧Door fixing device

110‧‧‧Lock assembly

112‧‧‧Ontology

120‧‧‧Lock

130‧‧‧Bend

132‧‧‧Positioning holes

150‧‧‧Positioning block assembly

160‧‧‧ Elastomers

162‧‧‧ positioning slot

166‧‧‧ receiving surface

168‧‧‧ undertake plane

180‧‧‧Wedge cover

182‧‧‧ sloping surface

184‧‧ plane

186‧‧‧ positioning column

188‧‧‧ openings

Claims (14)

A door fixing device is mounted on a vehicle body and latched with a door. The door is provided with a door panel and a latching slot formed in the door panel. The door fixing device comprises: a latch assembly. The latch assembly has a body, a latch extending perpendicularly from a side surface of the body, and a bent portion formed by bending from the two ends of the body; and two positioning block assemblies, each of the positioning block assemblies being disposed An elastic body of the bent portion and a wedge cover fixed to the elastic body, wherein the wedge cover has an inclined surface abutting the door panel, wherein each of the bent portions is bent toward the locking direction and A positioning hole is formed, and the elastic body is coupled to the positioning hole of the bending portion in an injection molding manner. The door fixing device according to claim 1, wherein the elastic body is further provided with a positioning groove corresponding to the positioning hole, a guiding groove connected from the one end of the elastic body to the positioning groove, and a receiving surface corresponding to the inclined surface. surface. The door fixing device according to claim 1, wherein the elastic body is made of EPDM (ethylene-propylene binary rubber), and the surface of the elastic body is further distributed with a plurality of protrusions. The door fixing device of claim 2, wherein the positioning groove and the guiding groove are respectively located on the receiving surface and correspond to the inclined surface of the wedge cover. The door fixing device of claim 1, wherein the wedge cover further has a plane connecting the inclined surface and a positioning post protruding from the inner surface of the wedge cover, the inclined surface gradually increasing toward the vehicle body. A large angle, and the length of the inclined surface is greater than the length of the plane. The door fixing device of claim 5, wherein the positioning post is correspondingly inserted into a positioning slot of the elastic body, and the positioning post has a size larger than a slot width of the positioning slot. The door fixing device of claim 1, wherein the wedge cover comprises a rectangular frame, a wedge plate connecting one end of the rectangular frame and extending toward the other end, a positioning post protruding from the inner surface of the wedge plate, and a plurality of ribs distributed on the peripheral wall of the inner periphery of the rectangular frame. The door fixing device according to claim 7, wherein a gap is formed between the wedge plate and the rectangular frame, and the gap causes the wedge plate to elastically move relative to the rectangular frame. The door fixing device of claim 7, wherein the wedge cover is slidably assembled on the elastic body, the positioning post is inserted into a positioning groove of the elastic body, and the ribs are positioned across the elastic On both sides of the body. The door fixing device of claim 1, 5 or 7, wherein the material of the wedge cover is polyoxymethylene (POM). The door fixing device according to claim 1, wherein the door panel is further provided with two lock attachment covers adjacent to the latch slot, and each of the lock attachment covers is disposed corresponding to each of the wedge covers and provided with the inclined surface Abut. The door fixing device of claim 1, wherein the buckle is riveted to the body, and the buckle is located between the two positioning block assemblies. The door fixing device according to claim 1 or 12, further comprising a wedge block formed by plastic injection molding, the wedge block being disposed on the inner side of the vehicle body to elastically absorb the latch groove Clearance. The door fixing device of claim 13, wherein the wedge block has two outwardly extending two wings that elastically abut the two inner walls of the latching groove.