CN210502493U - Door guard board handle box assembly - Google Patents

Abstract

The utility model provides a door protective plate handle box assembly, it is installed in the installing port of the door lower protective plate, and it includes the middle decorative plate that constitutes the partial shutoff to the installing port that links firmly in the installing port, and handle box subassembly, handle box subassembly includes handle box body and the flush mounting plate of switch that forms with handle box body integrated into one piece, and flush mounting plate of switch is adjacent to middle decorative plate and constitutes the shutoff to another part of installing port, handle box body is fixed in door lower protective plate through the preinstallation of flush mounting plate of switch, and enclose to form the cavity with the open-top between handle box body and middle decorative plate; a handrail which is arranged outside the handle box body in a blocking way is arranged corresponding to the handle box body. The door guard plate handle box assembly of the utility model has the advantages that the handle box body and the switch panel are integrated into a whole, and the handle box and the switch panel are not exposed and split, so that the delicate feeling can be improved; through the reasonable arrangement of switch panel, well plaque, handle box body and handrail, the structure is pleasing to the eye, and is small, convenient the arranging, and the practicality is strong.

Description

Door guard board handle box assembly

Technical Field

The utility model relates to an automobile parts technical field, in particular to door protective plate handle box assembly.

Background

With the development of economy and scientific progress, automobiles are not simple but are only walking tools, and people have higher requirements on the practicability of the automobiles. The handle box is an important component part of an automobile, and has the main functions of facilitating the closing of the automobile door after passengers get on the automobile and storing articles.

The existing handle box structure has the following defects: the handle box body and the switch panel are designed in a split mode, exposed parting seams exist at the lap joint positions of the handle box body and the switch panel, the handle box body and the switch panel are not attractive, and due to the structural design, the mounting direction of the handle box body and the mounting direction of the switch panel are not consistent with the demolding direction, so that the mounting is difficult.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a door panel handle box assembly to improve the aesthetic property of the existing handle box structure and improve the convenience of installing the handle box.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a door protective plate handle box assembly, installs under the door on the backplate, be formed with on the backplate under the door in order to install the installing port of door protective plate handle box assembly, just door protective plate handle box assembly includes:

the middle decorative plate is fixedly connected in the mounting opening and forms a part of plug for the mounting opening;

the handle box assembly comprises a handle box body and a switch panel integrally formed with the handle box body, the switch panel is adjacent to the middle decorative plate to form a plug for the other part of the mounting hole, the handle box body is fixed on the lower protective plate of the vehicle door through the pre-installation of the switch panel, and a cavity with an open top is formed between the handle box body and the middle decorative plate in a surrounding manner;

and the handrail is fixedly arranged corresponding to the handle box body and is arranged on the outer side of the handle box body in a blocking manner.

Further, a middle trim panel fixing unit and a middle trim panel pre-mounting unit are disposed between the door rocker and the middle trim panel, the middle trim panel pre-mounting unit is configured to constitute pre-mounting of the middle trim panel on the door rocker, and the middle trim panel fixing unit is configured to constitute fixing of the middle trim panel on the door rocker.

Furthermore, the switch panel is clamped on the lower protective plate of the vehicle door through a clamping unit circumferentially arranged on the ring.

Furthermore, a plurality of panel limiting units are arranged around the switch panel in the circumferential direction, and the panel limiting units are configured to limit the switch panel clamped on the lower protective plate of the vehicle door.

Furthermore, the panel limiting units and the clamping unit rings are sequentially and alternately arranged in the circumferential direction of the switch panel.

Furthermore, the panel limiting unit comprises a panel limiting part constructed on the switch panel, a panel limiting hole constructed on the lower protective plate of the vehicle door and the middle decorative plate for the limiting part to be inserted, and an abutting part which is arranged on one side of the panel limiting hole and can abut against the inserted limiting part.

Furthermore, the panel limiting unit comprises flanges constructed on the lower door guard plate and the middle trim plate, and a fitting piece constructed on the switch panel and capable of being abutted to the flanges.

Furthermore, one end of the armrest is fixedly connected with the handle box body through a connecting piece penetrating through the armrest and the handle box body, and the other end of the armrest is fixedly connected with the lower vehicle door guard plate through a connecting piece penetrating through the armrest and the lower vehicle door guard plate.

Further, an armrest pre-installation unit is arranged between the armrest and the handle box body and/or between the armrest and the lower door guard plate, and the armrest pre-installation unit is configured to form a pre-installation before the armrest is fixedly connected with the handle box body or the lower door guard plate.

Further, an armrest limiting unit is arranged between the armrest and the handle box body and/or between the armrest and the lower door guard plate, and the armrest limiting unit is configured to form a pre-positioning of the armrest and the handle box body or the lower door guard plate before pre-installation.

Compared with the prior art, the utility model discloses following advantage has:

(1) the door guard plate handle box assembly of the utility model has the advantages that the handle box body and the switch panel are integrated into a whole, no exposed parting seam exists between the handle box and the switch panel, and the delicate feeling can be improved; the switch panel and the middle decorative plate jointly plug the mounting port, the handle box body and the middle decorative plate form a cavity in a surrounding mode, the handrail is arranged on the outer side of the handle box body in a blocking mode, and the handle box body, the middle decorative plate, the handle box body and the handrail are reasonably arranged, so that the overall structure is attractive, the size is small, the arrangement and the assembly are convenient, and the practicability is high; in addition, the handle box body is fixed on the lower protective plate of the vehicle door through the pre-installation of the switch panel, and the convenience for assembling the handle box assembly can be effectively improved.

(2) The middle decorative plate fixing unit and the middle decorative plate pre-installation unit are arranged between the lower protective plate and the middle decorative plate of the vehicle door, so that the middle decorative plate is pre-installed and then fixed in the installation process, and the convenience of assembling the middle decorative plate can be improved.

(3) The switch panel is clamped on the lower protective plate of the vehicle door through the clamping unit, the handle box body can be positioned on the lower protective plate of the vehicle door, and the convenience in assembling the handle box body is improved.

(4) The panel limiting unit is arranged, so that the switch panel can be rapidly and accurately installed in place.

(5) The panel limiting units and the clamping unit rings are arranged in a staggered mode in the circumferential direction of the switch panel, so that the accuracy and the reliability of the installation of the switch panel can be effectively improved.

(6) The panel limiting unit comprises a panel limiting part, a panel limiting hole and a structure of a butting part, and can realize good limiting on the switch panel.

(7) The panel limiting unit comprises a structure of a flanging and a matching piece, and can further realize good limiting on the switch panel.

(8) The handrail pre-installation unit is arranged between the handrail and the handle box body or between the handrail and the lower guard plate of the vehicle door, so that the convenience of handrail assembly can be improved.

(9) The handrail limiting unit is arranged between the handrail and the handle box body or between the handrail and the lower guard plate of the vehicle door, so that the convenience of pre-installation of the handrail can be improved.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural view of a door guard plate handle box assembly according to an embodiment of the present invention in an applied state;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic view of the structure of FIG. 1 from another perspective;

fig. 4 is a schematic structural view of a lower guard plate of a vehicle door according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a middle decorative plate according to an embodiment of the present invention;

FIG. 6 is a schematic view of the structure of FIG. 5 from another perspective;

FIG. 7 is a schematic structural view of a pull cup assembly according to an embodiment of the present invention;

FIG. 8 is a schematic view of the structure of FIG. 7 from another perspective;

FIG. 9 is a schematic view of the structure of FIG. 7 from yet another perspective;

fig. 10 is a schematic structural view of a handrail according to an embodiment of the present invention;

FIG. 11 is a schematic view of the structure of FIG. 10 from another perspective;

FIG. 12 is a schematic view of a further view of FIG. 1;

FIG. 13 is a sectional view taken along line B-B of FIG. 12;

FIG. 14 is a cross-sectional view C-C of FIG. 12;

FIG. 15 is a cross-sectional view taken along line D-D of FIG. 12;

fig. 16 is a schematic structural view of a door guard plate pull box assembly according to an embodiment of the present invention;

FIG. 17 is a cross-sectional view E-E of FIG. 16;

FIG. 18 is a sectional view F-F of FIG. 16;

FIG. 19 is a sectional view taken along line G-G of FIG. 16;

description of reference numerals:

1-a lower guard plate of a vehicle door, 2-a middle decorative plate, 3-a handle box assembly, 4-a handrail and 5-a connecting piece;

101-mounting hole, 102-panel limiting hole, 103-abutting part, 104-middle decorative plate limiting hole, 105-middle decorative plate mounting hole, 106-handle box connecting hole and 107-handrail mounting hole;

201-flanging, 202-middle decorative plate limiting piece, 203-middle decorative plate mounting column and 204-panel clamping hole;

301-switch panel, 302-handle box body, 303-cavity;

3011-panel limit piece, 3013-switch mounting hole, 3014-mating piece, 3015-panel clamp piece;

3021-handle box mounting hole, 3022-armrest clamping hole, 3023-armrest limiting sheet, 3024-armrest limiting groove, and 3025-handle box mounting post;

401-handrail clamping piece, 402-handrail mounting column, 403-handrail supporting piece, 404-handrail limiting piece and 405-handrail limiting boss.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The embodiment relates to a door protective plate handle box assembly, which is arranged on a lower protective plate of a vehicle door, a mounting opening for mounting the door protective plate handle box assembly is formed on the lower protective plate of the vehicle door, and the door protective plate handle box assembly mainly comprises a middle decorative plate arranged at the mounting opening, a handle box assembly and a handrail.

Based on the above overall structure description, an exemplary structure of the door guard plate handle box assembly of the present embodiment in an application state is shown in fig. 1 and 3, wherein a middle decoration plate 2 is fixedly connected in the installation opening 101 and forms a partial block for the installation opening 101; the switch panel 301 is adjacent to the middle decorative plate 2 to form a plug for the other part of the mounting port 101, the handle box body 302 and the switch panel 301 are integrally formed, and the handle box body and the switch panel 301 form a handle box assembly 3; the armrest 4 is fixedly disposed corresponding to the handle box body 302 and is blocked outside the handle box body 302.

For convenience of describing the present embodiment in detail, the structure of the door fender 1 will be described with reference to fig. 4, the overall structure of the door fender 1 can refer to the conventional structure, and the installation opening 101 is formed in the middle of the door fender 1 for installing the door fender pull box assembly of the present embodiment. The structure of the middle trim panel 2 can be seen from fig. 5 and 6, and from fig. 5 and 6 in combination with fig. 1, the middle trim panel 2 is installed on the upper half portion of the installation opening 101 and is arranged near one end of the door rocker 1 facing the vehicle tail, that is, the right end shown in fig. 1.

In order to facilitate installation, a middle trim panel pre-installation unit is configured between the vehicle door lower guard plate 1 and the middle trim panel 2, and in a specific structure, the middle trim panel pre-installation unit comprises a plurality of middle trim panel limiting parts 202 circumferentially arranged on the ring-shaped trim panel 2 and a middle trim panel limiting hole 104 configured on the vehicle door lower guard plate 1 corresponding to the middle trim panel limiting parts 202, a chuck capable of being clamped in the middle trim panel limiting hole 104 is configured at the end part of the middle trim panel limiting part 202, and due to the insertion and clamping of the middle trim panel limiting parts 202 in the middle trim panel limiting hole 104, pre-installation of the middle trim panel 2 and the vehicle door lower guard plate 1 can be achieved.

In addition, a middle trim fixing unit is further disposed between the door lower guard plate 1 and the middle trim 2, and in particular, the middle trim fixing unit includes a plurality of middle trim mounting posts 203 circumferentially arranged around the middle trim 2 and middle trim mounting holes 104 configured on the door lower guard plate 1 corresponding to the middle trim mounting posts 203, each middle trim mounting post 203 is preferably a weldable welding post, and the middle trim 2 can be fixed on the door lower guard plate 1 due to the insertion of the welding post into the middle trim mounting hole 104 and welding through a welding process.

In the above structure, the middle trim panel fixing unit and the middle trim panel pre-mounting unit are arranged between the door lower protective plate 1 and the middle trim panel 2, so that the middle trim panel 2 is pre-mounted and then fixed in the mounting process, and the convenience of assembling the middle trim panel 2 can be improved.

The specific structure of the handle box assembly 3 can be seen from fig. 7 to 9, and it mainly includes an integrally formed switch panel 301 and a handle box body 302, and in a preferred installation mode, the handle box body 302 is fixed on the door lower guard plate 1 through pre-installation of the switch panel 301.

Specifically, the switch panel 301 has a substantially flat plate shape, and a switch mounting hole 3013 is formed in the switch panel 301. The switch panel 301 is clamped on the lower protective plate 1 of the vehicle door through the clamping units arranged along the circumferential direction of the ring, namely the switch panel 301 is pre-installed on the lower protective plate 1 of the vehicle door, and the switch panel 301 and the handle box body 302 are integrally formed, so that pre-positioning of the handle box body 302 on the lower protective plate 1 of the vehicle door can be realized due to the pre-installation of the switch panel 301, the handle box body 302 is favorably fixed on the lower protective plate 1 of the vehicle door, and the convenience in assembling the handle box body 302 is improved.

The clamping unit specifically comprises a plurality of panel clamping pieces 3015 arranged circumferentially around the switch panel 301, and panel clamping holes 204 formed in the middle trim panel 2 and the lower door protection plate 1 corresponding to the panel clamping pieces 3015, and the switch panel 301 can be pre-installed on the lower door protection plate 1 through the clamping of the panel clamping pieces 3015 in the panel clamping holes 204.

In addition, a plurality of panel limiting units are arranged in the circumferential direction of the ring switch panel 301, and the panel limiting units are configured to limit the clamping of the switch panel 301 on the lower protective plate 1 of the vehicle door, so that the switch panel 301 can be rapidly and accurately installed in a specific structure, in the preferred embodiment, the panel limiting units and the clamping units are sequentially arranged in a staggered mode in the circumferential direction of the ring switch panel 301, and therefore the installation accuracy and reliability of the switch panel 301 can be effectively improved.

In a specific structure, referring to fig. 4, 6, 8, and 12 to 15, the panel limiting unit includes a panel limiting member 3011 configured on the switch panel 301, a panel limiting hole 102 configured on the door fender 1 for inserting the panel limiting member 3011, and an abutting member 103 disposed on one side of the panel limiting hole 102 and capable of abutting against the inserted limiting member, and is mainly used for limiting the position of the switch panel 301 in the length direction and the thickness direction of the door fender 1, that is, the position in the length direction and the width direction of the vehicle, so as to achieve a better limiting effect on the switch panel 301. In this structure, the position of the panel stopper hole 102 may be provided not only on the door lower guard plate 1 but also on the middle trim panel 2 as required.

In addition, the panel limiting unit comprises a flange 201 constructed on the middle trim panel 2 and a fitting component 3014 constructed on the switch panel 301 and capable of abutting against the flange 201, and the panel limiting unit is mainly used for limiting the position of the switch panel 301 in the height direction of the lower door trim panel 1, namely limiting the position in the height direction of the vehicle, so that the switch panel 301 can be further limited well. In this structure, the position of the panel limit hole 102 can be set on the door lower guard plate 1 as required, in addition to the middle trim panel 2.

The structure of the handle box body 302 is still shown in fig. 7 to 9, and comprises a substantially square bottom plate, and a side plate integrally formed with the bottom plate, the side plate is U-shaped and connected with three edges of the bottom plate, so that the handle box body 302 and the middle decorative plate 2 form a cavity 303 with an open top by enclosing therebetween due to the fixation on the middle decorative plate 2.

As shown in fig. 7 to 9 in conjunction with fig. 2, handle case mounting holes 3021 are formed at both ends of the handle case body 302, and handle case attachment holes 106 are formed in the door lower panel 1 and the middle trim panel 2 corresponding to the handle case mounting holes 3021, respectively, so that the handle case body 302 is attached to the door lower panel 1 via a connecting member 5, such as a bolt, inserted through the handle case mounting holes 3021 and the handle case attachment holes 106. In addition, the handle case fixing hole may be provided as a handle case mounting post 3025 shown in fig. 8, and a handle case attachment hole 106 is formed in the door lower panel 1 corresponding to each handle case mounting post 3025, and the handle case is attached to the handle case mounting post 3025 via an attachment 5 such as a bolt passing through the handle case attachment hole 106.

The structure of the armrest 4 can be seen from fig. 10 and 11, one end of the armrest is fixedly connected with the handle box body 302 through the connecting piece 5 penetrating through the two, and the other end of the armrest is fixedly connected with the lower door guard plate 1 through the connecting piece 5 penetrating through the two.

In a specific structure, as shown in fig. 10 and 11 in conjunction with fig. 2, a plurality of handrail mounting posts 402 are formed in the circumferential direction of the ring handrail 4, threaded holes are formed in the handrail mounting posts 402, corresponding to the handrail mounting posts 402, handrail mounting holes 107 are formed in the door lower guard plate 1, the handrail 4 is fixedly connected to the door lower guard plate 1 through bolts which are inserted into the handrail mounting holes 107 and screwed into the threaded holes, and the bolts are the connecting pieces 5 connecting the handle box body 302 and the door lower guard plate 1. In this structure, the armrest mounting hole 107 may be provided in the handle case body 302 as needed, in addition to the door lower panel 1.

In addition, an armrest preinstallation unit is arranged between the armrest 4 and the handle box body 302, and the armrest preinstallation unit specifically comprises armrest clamping pieces 401 constructed on the armrest 4 and armrest clamping holes 3022 constructed on the handle body corresponding to the armrest clamping pieces 401, one end of the armrest 4 connected with the handle box body 302 can be preinstalled before the armrest 4 is fixedly connected with the handle box body 302 due to the clamping of the armrest clamping pieces 401 in the armrest clamping holes 3022, and the convenience of assembling the armrest 4 can be improved. In this structure, the handrail pre-installation unit may be provided not only between the handrail 4 and the handle box body 302 but also between the handrail 4 and the door lower guard plate 1, or both.

Further, an armrest stopper unit is provided between the armrest 4 and the grip box body 302, and specifically, the armrest stopper unit includes an armrest support member 403 formed on the armrest 4, and the armrest 4 is supported by the grip box body 302 via the armrest support member 403, thereby being capable of restricting the armrest 4 in the vehicle width direction. The armrest limiting unit further includes an armrest limiting member 404 configured on the armrest 4, an armrest 4 limiting hole is configured on the armrest limiting member 404, an armrest limiting piece 3023 is configured on the handle box body 302 corresponding to the armrest limiting member 404, and because the armrest 4 is installed in the vehicle width direction, the armrest limiting piece 3023 can be clamped in the armrest 4 limiting hole to limit the armrest 4 in the vehicle height direction. In addition, the armrest limiting unit further includes an armrest limiting boss 405 configured on the armrest 4 and an armrest limiting groove 3024 configured on the handle box body 302, into which the armrest limiting boss 405 is inserted, so that the armrest 4 can be limited in the vehicle length direction and the vehicle width direction due to the engagement of the armrest limiting boss 405 in the armrest limiting groove 3024.

In the above structure, the armrest limiting unit can form the pre-positioning before the armrest 4 and the handle box body 302 or the lower door trim 1 are pre-installed, thereby improving the convenience of installing the armrest 4. Besides, the armrest limiting unit can be arranged between the armrest 4 and the handle box body 302, and can also be arranged between the armrest 4 and the lower door trim 1.

The installation sequence of door protective plate handle box assembly is as follows: the middle decorative plate 2 and the lower vehicle door protective plate 1 are pre-installed through a middle decorative plate pre-installation unit, and the middle decorative plate 2 is fixed on the lower vehicle door protective plate 1 through a middle decorative plate fixing unit; then the switch panel 301 is clamped in place through the clamping unit, and then the handle box body 302 and the middle decorative plate 2 are fixedly connected together through a connecting piece, so that the handle box assembly 3 is installed; finally, the armrest 4 is pre-installed via the armrest pre-installation unit, and the connection between the armrest 4 and the door rocker 1 is completed via the connecting member 5, and finally the installation of the armrest 4 is completed.

In the door guard plate handle box assembly of the embodiment, the handle box body 302 and the switch panel 301 are of an integral vehicle type, and no exposed seam exists between the handle box and the switch panel 301, so that the delicate feeling can be improved; the switch panel 301 and the middle decorative plate 2 together seal the mounting port 101, the handle box body 302 and the middle decorative plate 2 enclose to form a cavity 303, the handrail 4 is arranged outside the handle box body 302 in a blocking manner, and the switch panel 301, the middle decorative plate 2, the handle box body 302 and the handrail 4 are reasonably arranged, so that the integral structure is attractive, the size is small, the arrangement and the assembly are convenient, and the practicability is high; in addition, the handle box body 302 is fixed on the lower door guard plate 1 through the pre-installation of the switch panel 301, so that the convenience of assembling the handle box assembly 3 can be effectively improved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a door protective plate handle box assembly, installs on backplate (1) under the door, its characterized in that: be formed with on door backplate (1) in order to install installing port (101) of door backplate handle box assembly, and door backplate handle box assembly includes:

the middle decorative plate (2) is fixedly connected in the mounting opening (101) and forms a partial plug for the mounting opening (101);

the handle box assembly (3) comprises a handle box body (302) and a switch panel (301) which is integrally formed with the handle box body (302), the switch panel (301) is adjacent to the middle decorative plate (2) to form a plug for the other part of the mounting port (101), the handle box body (302) is fixed on the lower door protective plate (1) through pre-installation of the switch panel (301), and a cavity (303) with an open top is formed between the handle box body (302) and the middle decorative plate (2);

and the armrest (4) is fixedly arranged corresponding to the handle box body (302) and is arranged outside the handle box body (302) in a blocking manner.

2. The door trim tab box assembly of claim 1 wherein: a center trim fixing unit and a center trim pre-mounting unit are arranged between the door trim (1) and the center trim (2), the center trim pre-mounting unit is configured to constitute pre-mounting of the center trim (2) on the door trim (1), and the center trim fixing unit is configured to constitute fixing of the center trim (2) on the door trim (1).

3. The door trim tab box assembly of claim 1 wherein: the switch panel (301) is clamped on the lower protection plate (1) of the vehicle door through clamping units arranged on the circumferential direction of the ring.

4. The door trim pull box assembly of claim 3, wherein: and a plurality of panel limiting units are arranged around the circumference of the switch panel (301), and are configured to limit the switch panel (301) clamped on the lower protective plate (1) of the vehicle door.

5. The door trim tab box assembly of claim 4 wherein: the panel limiting units and the clamping unit rings are sequentially arranged in a staggered mode in the circumferential direction of the switch panel (301).

6. The door trim tab box assembly of claim 4 wherein: the panel limiting unit comprises a panel limiting piece (3011) constructed on the switch panel (301), a panel limiting hole (102) constructed on the lower protection plate (1) of the vehicle door and the middle decorative plate (2) and used for the limiting piece to be inserted, and an abutting piece (103) which is arranged on one side of the panel limiting hole (102) and can abut against the inserted limiting piece.

7. The door trim tab box assembly of claim 4 wherein: the panel limiting unit comprises flanges (201) formed on the lower door protection plate (1) and the middle decorative plate (2), and a fitting piece (3014) formed on the switch panel (301) and capable of being abutted to the flanges (201).

8. The door trim tab box assembly of any one of claims 1-7 wherein: one end of the armrest (4) is fixedly connected with the handle box body (302) through a connecting piece (5) penetrating through the armrest and the handle box body, and the other end of the armrest (4) is fixedly connected with the lower vehicle door guard plate (1) through the connecting piece (5) penetrating through the armrest and the handle box body.

9. The door trim tab box assembly of claim 8 wherein: an armrest pre-installation unit is arranged between the armrest (4) and the handle box body (302) and/or between the armrest (4) and the door lower guard plate (1), and the armrest pre-installation unit is configured to form pre-installation before the armrest (4) is fixedly connected with the handle box body (302) or the door lower guard plate (1).

10. The door trim tab box assembly of claim 9 wherein: an armrest limiting unit is arranged between the armrest (4) and the handle box body (302) and/or between the armrest (4) and the vehicle door lower guard plate (1), and the armrest limiting unit is configured to form pre-positioning of the armrest (4) and the handle box body (302) or the vehicle door lower guard plate (1) before pre-installation.

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