Back door lock mounting assembly and vehicle

By combining the tailgate reinforcement plate with the mounting bracket, the problems of increased processing difficulty and vehicle weight caused by tailgate lock installation are solved, achieving the effects of vehicle weight reduction and simplified lock installation.

CN223689483UActive Publication Date: 2025-12-19GREAT WALL MOTOR CO LTD
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Patent Information

Application Number
CN202423244417.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-12-19
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

In the existing technology, the rear door lock is installed on the inner panel of the rear door, which increases the difficulty of processing the inner panel and requires the addition of reinforcement components, resulting in an increase in the overall weight of the vehicle.

Method used

The structure adopts a combination of a rear door reinforcement plate and a mounting bracket. The mounting bracket is connected through the mounting position of the rear door reinforcement plate. The strength and rigidity of the rear door reinforcement plate are superior to those of the rear door inner panel. The fixing part and the mounting part of the mounting bracket are located in the cavity formed by the rear door inner panel and the outer panel, avoiding the setting of additional reinforcements and deep grooves.

Benefits of technology

This achieved overall vehicle weight reduction, reduced processing difficulty, decreased luggage compartment space occupation, and simplified the installation and maintenance process of locks.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223689483U_ABST
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Abstract

The utility model provides a back door lock installation assembly and a vehicle, and belongs to the technical field of vehicle locks.The back door lock installation assembly comprises a back door reinforcing plate and a back door inner plate connected to the front side of the back door reinforcing plate, the back door reinforcing plate is provided with an installation position, and the back door inner plate is provided with a receding hole corresponding to the installation position; the back door inner plate further comprises an installation support connected to the installation position, the installation support comprises a fixing part connected to the installation position and an installation part connected to the fixing part in an included angle mode, the installation part penetrates through the receding hole to extend towards the front side of the back door inner plate, and the installation part is used for fixing a lock. The utility model provides a back door lock mounting assembly and a vehicle, and aims to solve the problems that in the prior art, a back door lock is mounted on a back door inner plate, so that the processing difficulty of the back door inner plate is increased, and a reinforcing piece needs to be arranged in a mounting area of the back door inner plate, so that the total mass of the vehicle is increased.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to vehicle lock installation technical field, more specifically, relate to a back door lock mounting assembly and vehicle. BACKGROUND

[0002] The back door lock of the automobile is usually installed on the back door inner panel. Since the installation area of the back door lock needs to bear the weight of the lock and the vibration force generated when the back door is closed, the installation area is required to have a certain installation strength. However, the strength of the back door inner panel cannot meet the requirement. Therefore, the back door lock reinforcing member needs to be added locally in the installation area of the back door lock to meet the strength requirement of the back door lock mounting point. However, directly adding the back door lock reinforcing member will increase the overall weight of the back door, which is not conducive to the lightweight of the automobile.

[0003] In addition, the back door inner panel also needs to provide installation and arrangement space for the back door lock. In order to avoid interference with the back door trim, the distance between the back door inner panel and the back door trim needs to be increased. The installation slot is usually arranged on the back door inner panel to provide sufficient installation space for the back door lock. This method will increase the depth of the back door inner panel, and the back door inner panel with excessive depth is prone to stamping cracking and cannot be formed during processing. SUMMARY

[0004] The utility model aims at providing a back door lock mounting assembly and vehicle, which aims at solving the problem that the back door lock is installed on the back door inner panel in the prior art, which increases the processing difficulty of the back door inner panel, and the reinforcing member needs to be arranged in the installation area of the back door inner panel, which increases the total mass of the vehicle.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of:

[0006] In a first aspect, a back door lock mounting assembly is provided, comprising a back door reinforcing plate and a back door inner panel connected to the front side of the back door reinforcing plate, the back door reinforcing plate having a mounting position, the back door inner panel having a clearance hole corresponding to the mounting position, further comprising a mounting bracket connected to the mounting position, the mounting bracket comprising a fixed part connected to the mounting position and an installation part connected to the fixed part at an angle, the installation part extending through the clearance hole to the front side of the back door inner panel, and the installation part being used for fixing the lock.

[0007] In combination with the first aspect, in a possible implementation manner, the back door reinforcing plate has a rear side recessed mounting slot, the mounting slot forms the mounting position, and the fixed part is arranged in the mounting slot.

[0008] With reference to the first aspect, in a possible implementation manner, the back door reinforcing plate has a center groove and fixing grooves symmetrically distributed along the left-right direction on both sides of the center groove, the center groove and the fixing grooves are spaced along the left-right direction, and the center groove and the fixing grooves are recessed towards the rear side, and the mounting position is located in the fixing groove.

[0009] With reference to the first aspect, in a possible implementation manner, the back door reinforcing plate further has a reinforcing protrusion located in the fixing groove, the reinforcing protrusion is arranged at the outer periphery of the mounting position and protrudes towards the front side.

[0010] With reference to the first aspect, in a possible implementation manner, the mounting bracket further includes a mounting flange connected to the mounting portion, and the mounting flange is connected to opposite sides of the mounting portion along the up-down direction.

[0011] With reference to the first aspect, in a possible implementation manner, the mounting portion includes a mounting plate connected to the fixing portion and a mounting lock hook connected to the mounting plate, and the mounting lock hook is used to be connected with a lock.

[0012] With reference to the first aspect, in a possible implementation manner, the mounting plate is provided with a locking hole, and the mounting lock hook is inserted into the locking hole.

[0013] With reference to the first aspect, in a possible implementation manner, the center groove is provided with a reinforcing rib, and the reinforcing rib is arranged in a head-to-tail or cross manner.

[0014] With reference to the first aspect, in a possible implementation manner, the center area of the back door inner plate has a connection area protruding towards the front side, and the back door reinforcing plate is connected to the connection area.

[0015] The back door lock mounting assembly has the following beneficial effects: compared with the prior art, the mounting bracket is connected to the back door reinforcing plate, the strength and rigidity of the back door reinforcing plate are better than those of the back door inner plate, and therefore, a reinforcing member does not need to be additionally arranged, which is conducive to realizing the lightweight of the whole vehicle. In addition, the back door reinforcing plate is located in a cavity formed by the back door inner plate and the back door outer plate, the rear ends of the fixing portion and the mounting portion of the mounting bracket are located in the cavity, a groove with excessive depth does not need to be arranged on the back door reinforcing plate to provide mounting space for the mounting bracket, the machining difficulty is reduced, and the space occupied in the trunk is also reduced. The mounting portion extends towards the front side of the back door inner plate after passing through the gap hole, the lock is fixed to the mounting portion, the lock can be installed after the back door assembly is assembled, the installation is simple, and the lock is convenient to maintain subsequently.

[0016] In the second aspect, the utility model embodiment further provides a vehicle including the back door lock mounting assembly.

[0017] The vehicle provided by the utility model has the advantages that compared with the prior art, the rear door lock mounting assembly is adopted, the mounting bracket is connected to the rear door reinforcing plate, the strength and rigidity of the rear door reinforcing plate are superior to those of the rear door inner plate, therefore, no reinforcing member needs to be additionally arranged, and the lightweight of the whole vehicle is facilitated. In addition, the rear door reinforcing plate is located in a cavity formed by the rear door inner plate and the rear door outer plate, the fixing portion and the rear end of the mounting portion of the mounting bracket are located in the cavity, no groove with excessive depth needs to be arranged on the rear door reinforcing plate to provide mounting space for the mounting bracket, the processing difficulty is reduced, and the space occupied in the trunk is also reduced. The mounting portion extends to the front side of the rear door inner plate after passing through the accommodation hole, the lock is fixed to the mounting portion, the lock can be installed after the rear door assembly is assembled, the installation is simple, and the lock is convenient to maintain subsequently. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0019] Figure 1 The structure schematic diagram of the rear door lock mounting assembly provided by the utility model embodiment is shown in the figure.

[0020] Figure 2 The other structure schematic diagram of the rear door lock mounting assembly provided by the utility model embodiment is shown in the figure.

[0021] Figure 3 The structure schematic diagram of the rear door reinforcing plate adopted by the utility model embodiment is shown in the figure. Figure 2 The local enlarged view of the A part in the figure.

[0022] Figure 4 The structure schematic diagram of the rear door reinforcing plate adopted by the utility model embodiment is shown in the figure.

[0023] In the figure: 1, rear door inner plate; 101, connecting area; 102, accommodation hole; 2, mounting bracket; 201, fixing portion; 202, mounting plate; 203, mounting hook; 204, mounting turnup; 3, rear door reinforcing plate; 301, central groove; 302, fixing groove; 303, reinforcing protrusion; 304, mounting position. DETAILED DESCRIPTION

[0024] In order to make the technical problems, technical solutions and beneficial effects of the utility model more clearly understood, the following will further describe the utility model in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0025] In the claims, the specification, and the above drawings of the utility model, unless otherwise expressly limited, the use of terms such as "first", "second", and "third" are used to distinguish one object from another, and do not imply a particular order. In the claims, the specification, and the above drawings of the utility model, the orientation terms "upper", "lower", "left", "right", "front", "back", "inner", and "outer" are used to indicate the orientation and position relationship based on the orientation and position relationship shown in the drawings, and are only used to facilitate the description of the utility model and simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation or be constructed and operated in a particular orientation, so it cannot be understood as limiting the specific protection scope of the utility model. In the claims, the specification, and the above drawings of the utility model, unless otherwise expressly limited, the use of terms such as "fixedly connected" or "fixedly connected" should be interpreted broadly, that is, any connection mode between the two without displacement relationship and relative rotation relationship, that is, it includes irremovable fixed connection, detachable fixed connection, integration and fixed connection through other devices or elements. In the claims, the specification, and the above drawings of the utility model, the use of terms such as "include", "have" and their variants is intended to mean "include but not limited to".

[0026] Please see Figures 1 to 4 , now the rear door lock mounting assembly and vehicle provided by the utility model will be described. The rear door lock mounting assembly comprises a back door reinforcing plate 3 and a back door inner plate 1 connected to the front side of the back door reinforcing plate 3, the back door reinforcing plate 3 has a mounting position 304, the back door inner plate 1 is provided with a clearance hole 102 corresponding to the mounting position 304, and further comprises a mounting bracket 2 connected to the mounting position 304, the mounting bracket 2 comprises a fixed part 201 connected to the mounting position 304 and a mounting part connected to the fixed part 201 at an angle, the mounting part extends to the front side of the back door inner plate 1 through the clearance hole 102, and the mounting part is used for fixing the lockset.

[0027] The rear back door lock mounting assembly of the utility model has the advantages that compared with the prior art, the rear back door lock mounting assembly of the utility model connects the mounting bracket 2 to the back door reinforcing plate 3, and since the strength and rigidity of the back door reinforcing plate 3 are superior to those of the back door inner plate 1, it is not necessary to additionally arrange a reinforcing member, and this is favorable for realizing the light weight of the whole vehicle. In addition, the back door reinforcing plate 3 is located in a cavity formed by the back door inner plate 1 and the back door outer plate, and the fixing portion 201 and the rear end of the mounting portion of the mounting bracket 2 are both located in the cavity, so that it is not necessary to arrange a groove with excessively large depth on the back door reinforcing plate 3 to provide mounting space for the mounting bracket 2, the machining difficulty is reduced, and the space occupied in the luggage compartment is also reduced. The mounting portion extends to the front side of the back door inner plate 1 after passing through the gap 102, and the lock is fixed to the mounting portion, so that the lock can be installed after the assembly of the back door assembly is completed, the installation is simple, and the lock is convenient to maintain subsequently.

[0028] Optionally, the fixing portion 201 is welded, screwed or clamped to the back door reinforcing plate 3.

[0029] It should be noted that the back door assembly usually comprises a back door outer plate, a back door inner plate 1 and a back door reinforcing plate 3 arranged between the back door outer plate and the back door inner plate 1, so that the scheme in the utility model does not additionally introduce a reinforcing member, and the mass of the back door assembly is not excessively large.

[0030] Optionally, a plurality of mounting portions 304 are arranged at intervals in the left-right direction, and a plurality of locks can be installed, so that the connection firmness of the back door and the vehicle body is improved.

[0031] In some embodiments, referring to Figure 4 , the back door reinforcing plate 3 has a rear-side recessed mounting groove, the mounting groove forms a mounting portion 304, and the fixing portion 201 is arranged in the mounting groove.

[0032] The arrangement of the mounting groove can increase the strength of the back door reinforcing plate 3, and the mounting groove does not need to rely on the increase of the material thickness to achieve the increase of the strength, so that the mass is not excessively large. In addition, the mounting groove provides mounting space for the fixing portion 201, the mounting groove is recessed to the rear side (away from the side of the back door inner plate 1), and interference is avoided between the fixing portion 201 and the back door inner plate 1 after the fixing portion 201 is connected to the back door reinforcing plate 3.

[0033] It should be noted that the mounting groove is only used to provide mounting space for the fixing portion 201, and the recess depth requirement is not high, and the mounting groove is easy to be formed by stamping.

[0034] Optionally, the fixing portion 201 is a plate-shaped member, which not only increases the contact area with the back door reinforcing plate 3, but also avoids the increase of the size in the front-rear direction, so that the depth of the mounting groove needs to be increased correspondingly.

[0035] In some embodiments, referring to Figure 4The back door reinforcing plate 3 has a center groove 301 and fixing grooves 302 symmetrically distributed on both sides of the center groove 301 along the left-right direction, the center groove 301 and the fixing grooves 302 are spaced apart along the left-right direction, and the center groove 301 and the fixing grooves 302 are recessed towards the rear side, and the mounting position 304 is located in the fixing groove 302.

[0036] The center groove 301 and the fixing grooves 302 are recessed towards the rear side, the other areas of the back door reinforcing plate 3 are attached to and connected to the back door inner plate 1, the back door inner plate 1 covers the openings of the center groove 301 and the fixing grooves 302, forming a closed chamber, which improves the overall strength and deformation resistance. After the lock is connected to the mounting portion of the mounting bracket 2, a certain stress will be generated on the back door reinforcing plate 3, and a vibration force will also be generated when the back door is closed. The structure in the embodiment does not need to be provided with a reinforcing part in the area corresponding to the fixing part 201, and the strength is increased by relying on its own structure, thereby improving the service life of the back door assembly.

[0037] In some embodiments, referring to Figure 4 The back door reinforcing plate 3 also has a reinforcing protrusion 303 located in the fixing groove 302, the reinforcing protrusion 303 is arranged on the outer periphery of the mounting position 304 and protrudes towards the front side.

[0038] After the mounting bracket 2 is connected to the mounting position 304, the stress on the area near the mounting position 304 of the back door reinforcing plate 3 increases, and the reinforcing protrusion 303 arranged on the outer periphery of the mounting position 304 can improve the strength and deformation resistance of the area around the mounting position 304, thereby reducing the probability of damage near the mounting position 304 when the back door is closed.

[0039] Optionally, the reinforcing protrusion 303 can be a ring structure connected head to tail, or a semi-closed structure arranged on the outer periphery of the mounting position 304.

[0040] In some embodiments, referring to Figure 3 The mounting bracket 2 also includes a mounting flange 204 connected to the mounting portion, and the mounting flange 204 is connected to the opposite sides of the mounting portion along the up-down direction.

[0041] The mounting flange 204 not only improves the strength of the mounting portion, but also avoids the problem of scratching the workers on the outer edge of the mounting portion when fixing the mounting bracket 2. The mounting flange 204 can be integrally formed with the mounting portion, and the overall strength is higher.

[0042] Optionally, the mounting flange 204 is connected to the mounting portion and the connecting portion, respectively, to improve the overall strength of the mounting bracket 2.

[0043] Specifically, the mounting flange 204 can be prepared by stamping forming, and the fixing part 201 and the mounting portion distributed at an included angle can be formed by a bending process.

[0044] In some embodiments, referring to Figures 2 to 3 The mounting part comprises a mounting plate 202 connected to the fixing part 201 and a mounting hook 203 connected to the mounting plate 202, and the mounting hook 203 is used to connect with the lock.

[0045] In this embodiment, the mounting hook 203 is used to achieve fixed connection with the lock, and is connected with the lock in a hanging, hooking or inserting manner, and provides a support point for the lock. Compared with the scheme of directly connecting the lock with the mounting plate 202, no external connecting component needs to be introduced, and the steps of installing the lock are simplified.

[0046] Optionally, the mounting hook 203 extends in the left-right direction, facilitating fixing of the lock.

[0047] Optionally, the mounting hook 203 is welded, screwed or clamped with the fixing plate.

[0048] In some embodiments, referring to Figure 3 The mounting plate 202 is provided with a locking hole, and the mounting hook 203 is inserted into the locking hole.

[0049] In this embodiment, the mounting hook 203 and the locking hole are connected in an inserting manner, which increases the contact area and improves the firmness of the connection. In addition, the scheme in this embodiment does not need to be positioned during installation, which improves the installation efficiency.

[0050] Optionally, the mounting hook 203 is a “U” shaped member, comprising two fixing arms and a connecting rod connecting the two fixing arms, and the two fixing arms are inserted into the locking hole after passing through the mounting hole on the locking.

[0051] Optionally, the mounting hook 203 is welded or screwed with the mounting plate 202.

[0052] In some embodiments, not shown in the figure, the reinforcing ribs are arranged in the center groove 301, and the reinforcing ribs are arranged in a head-to-tail or cross structure.

[0053] The center groove 301 is located in the central region of the back door inner panel 1, and the reinforcing ribs can improve the strength and anti-deformation ability of the region. Compared with the single strip-shaped reinforcing rib structure, the reinforcing ribs arranged in a head-to-tail or cross structure can further improve the strength of the center groove 301 region formed by the back door reinforcing plate 3.

[0054] Optionally, the reinforcing ribs are annular structures arranged in a head-to-tail manner, and a plurality of reinforcing ribs are arranged from inside to outside.

[0055] Optionally, the reinforcing ribs are cross strip structures and are located in the central region of the center groove 301.

[0056] In some embodiments, referring to Figure 2The center area of the back door inner panel 1 has a connecting area 101 protruding to the front side, and the back door reinforcing plate 3 is connected to the connecting area 101.

[0057] The connecting area 101 protrudes to the front side, avoids interference with the back door reinforcing plate 3, and can increase the strength of the back door inner panel 1 without increasing the thickness of the back door inner panel 1.

[0058] Based on the same inventive concept, the utility model also provides a vehicle. The vehicle comprises the rear back door lock mounting assembly.

[0059] The vehicle provided by the utility model adopts the rear back door lock mounting assembly, the rear back door lock mounting assembly connects the mounting bracket 2 to the back door reinforcing plate 3, since the strength and rigidity of the back door reinforcing plate 3 are superior to those of the back door inner panel 1, therefore, it is not necessary to additionally set a reinforcing piece, which is beneficial to realize the light weight of the whole vehicle. In addition, the back door reinforcing plate 3 is located in the cavity formed by the back door inner panel 1 and the back door outer panel, the fixing part 201 and the rear end of the mounting part of the mounting bracket 2 are located in the cavity, not only is it unnecessary to set a groove with excessive depth on the back door reinforcing plate 3 to provide mounting space for the mounting bracket 2, which reduces the machining difficulty, but also the space occupied in the trunk is reduced. The mounting part extends to the front side of the back door inner panel 1 after passing through the accommodation hole 102, and the lock is fixed to the mounting part, so that the lock can be installed after the back door assembly is assembled, which is simple and convenient to install, and is convenient for subsequent maintenance of the lock.

[0060] The above only describes preferred embodiments of the utility model and is not used to limit the utility model, any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A back door lock mounting assembly characterized by, The back door reinforcing plate (3) has a rear side recessed installation groove, the installation groove forms the installation site (304), and the fixed part (201) is arranged in the installation groove.

2. The back door lock mounting assembly of claim 1, wherein, The back door reinforcing plate (3) has a center groove (301) and a fixed groove (302) symmetrically distributed on both sides of the center groove (301) along the left-right direction, the center groove (301) and the fixed groove (302) are spaced apart along the left-right direction, and the center groove (301) and the fixed groove (302) are both recessed towards the rear side, and the installation site (304) is located in the fixed groove (302).

3. The back gate lock mounting assembly of claim 1, wherein, The back door reinforcing plate (3) also has a reinforcing protrusion (303) located in the fixed groove (302), the reinforcing protrusion (303) is arranged outside the peripheral of the installation site (304) and protrudes towards the front side.

4. The back gate lock mounting assembly of claim 3, wherein, The installation bracket (2) also includes an installation flange (204) connected to the installation part, and the installation flange (204) is connected to the opposite sides of the installation part along the up-down direction.

5. The back gate lock mounting assembly of claim 1, wherein, The installation part includes an installation plate (202) connected to the fixed part (201) and an installation lock hook (203) connected to the installation plate (202), and the installation lock hook (203) is used to be connected with the lock.

6. The back gate lock mounting assembly of claim 1, wherein, The installation plate (202) is provided with a locking hole, and the installation lock hook (203) is inserted into the locking hole.

7. The back gate lock mounting assembly of claim 6, wherein, The center groove (301) is provided with a reinforcing rib, and the reinforcing rib is arranged in a head-to-tail or cross manner.

8. The back gate lock mounting assembly of claim 3, wherein, The center area of the back door inner plate (1) has a connection area (101) protruding towards the front side, and the back door reinforcing plate (3) is connected to the connection area (101).

9. The back gate lock mounting assembly of claim 1, wherein, The back door lock installation assembly has any one of claims 1-9.

10. Vehicle, characterized in that The back door lock installation assembly has any one of claims 1-9.