CN213734854U

CN213734854U - Mounting structure for bottom guard plate of vehicle body

Info

Publication number: CN213734854U
Application number: CN202022677133.6U
Authority: CN
Inventors: 张铭仁; 姚雷; 邵海; 于泳; 王菁
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-07-20
Anticipated expiration: 2030-11-18

Abstract

The utility model relates to a backplate mounting structure at bottom of automobile body, it is including the connecting piece that stretches down that is located the automobile body bottom, forms the mounting hole that supplies the connecting piece to pass on the backplate at the bottom to and can dismantle the fastener of connecting on the connecting piece in the bottom side of backplate at the bottom. The bottom guard plate is provided with an anti-drop part corresponding to the mounting hole, and the anti-drop part is provided with an anti-drop end extending to the mounting hole. And along with the connection of the fastener, the anti-disengaging part can elastically deform so as to enable the fastener to cross over the anti-disengaging end, and when the fastener is connected in place, the anti-disengaging end can be blocked on the fastener to limit the separation of the fastener on the connecting piece. Backplate mounting structure at bottom of automobile body, through set up the anticreep portion of arranging corresponding to the mounting hole on the backplate at the bottom to make the anticreep end of anticreep portion keep off arrange the fastener in on, thereby can restrict the fastener and break away from on the connecting piece, and then can effectively prevent that backplate from droing from the automobile body at the bottom.

Description

Mounting structure for bottom guard plate of vehicle body

Technical Field

The utility model relates to a vehicle parts technical field, in particular to backplate mounting structure at bottom of automobile body.

Background

At present, the underbody shield is assembled by using a plastic fastener and a projection welding bolt in the assembly process. However, due to the material factor of the plastic fastener, the plastic fastener is easy to slip and buckle after being tightened by using torque, so that the plastic fastener is easy to fall off under the action of gravity after being loaded, and further the bottom protection plate falls off, thereby not only affecting the quality of the whole vehicle, but also easily causing the doubt of customers on the reliability of the vehicle.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to a mounting structure for a bottom guard plate of a vehicle body, which can effectively prevent the bottom guard plate from falling off.

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

the utility model provides a backplate mounting structure under automobile body, is including the connecting piece that is located the bottom extension of automobile body, the confession that forms on the backplate the mounting hole that the connecting piece passed, and in the bottom side of backplate can dismantle connect in fastener on the connecting piece, wherein, in on the backplate correspond to the mounting hole is equipped with anticreep portion, anticreep portion have to the anticreep end that the mounting hole extends, and along with the connection of fastener, anticreep portion self elastic deformation so that the fastener passes the anticreep end, and in when the fastener is connected in place, the anticreep end can keep off and arrange in on the fastener, and the restriction the fastener in break away from on the connecting piece.

Furthermore, anticreep portion is the ring a plurality of the circumference equipartition of mounting hole.

Further, corresponding to the position of the connecting piece, a groove protruding upwards is formed in the bottom protection plate, the mounting hole is located in the groove, the anti-falling part is an anti-falling claw arranged at the edge of the groove, and the free end of the anti-falling claw forms the anti-falling end.

Furthermore, the anti-falling claw is integrally formed on the bottom guard plate.

Further, the width of the disengagement prevention claw is reduced in a direction to the disengagement prevention end.

Further, when the anti-falling end block is arranged on the fastening piece, the lap joint quantity between the anti-falling end and the fastening piece is 1.5 mm.

Further, the connecting piece is a bolt, and the fastening piece is sleeved on the bolt.

Further, the bolt is fixed in the vehicle body in a welding mode.

Furthermore, the fastener is connected to the bolt through a plurality of claws arranged in the fastener at intervals in a ring shape.

Furthermore, a limiting block for limiting the inclination of the fastening piece relative to the connecting piece is arranged between every two adjacent clamping claws.

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

backplate mounting structure at bottom of automobile body, through set up the anticreep portion of arranging corresponding to the mounting hole on the backplate at the bottom to make the anticreep end of anticreep portion keep off arrange the fastener in on, thereby can restrict the fastener and break away from on the connecting piece, and then can effectively prevent that backplate from droing from the automobile body at the bottom.

In addition, the plurality of anti-falling parts can further prevent the bottom protection plate from falling off. And through setting up the recess to make anticreep portion constitute by the anticreep claw of locating recess edge, the anticreep claw of being convenient for and end backplate integrated into one piece, the fastener of also being convenient for simultaneously crosses the anticreep claw and is connected with the connecting piece.

In addition, establish the overlap joint volume between anticreep end and the fastener into 1.5mm, not only can effectively prevent that the fastener from droing, the fastener of also being convenient for simultaneously crosses the anticreep end. And the fastener is connected on the bolt through the jack catch that is cyclic annular interval arrangement who locates in itself, can improve the fastness of being connected between fastener and the bolt. The limiting blocks are arranged between the two adjacent clamping claws, so that the inclination of the fastener in the installation process can be prevented, and the installation reliability of the fastener 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 vehicle underbody guard mounting structure according to an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a cross-sectional view of a bottom guard plate groove according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of the bottom guard plate retaining claw according to the embodiment of the present invention;

fig. 5 is a partial schematic structural view of a bottom guard plate according to an embodiment of the present invention;

FIG. 6 is an enlarged view of portion B of FIG. 5;

fig. 7 is a schematic structural view of a fastener according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a fastener according to an embodiment of the present invention from another view angle.

Description of reference numerals:

1. a bottom guard plate; 101. an anti-falling claw; 102. a groove; 103. mounting holes;

2. a fastener; 201. a claw; 202. a limiting block;

3. a bolt; 4. a vehicle body.

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.

In the description of the present invention, it should be noted that, if "up" or "down" is present, it is based on the direction of the vehicle itself.

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

The embodiment relates to a mounting structure of a vehicle body bottom guard plate, which comprises a downward extending connecting piece positioned at the bottom of a vehicle body, a mounting hole formed on the bottom guard plate and used for the connecting piece to pass through, and a fastener detachably connected to the connecting piece at the bottom side of the bottom guard plate. The bottom guard plate is provided with an anti-drop part corresponding to the mounting hole, and the anti-drop part is provided with an anti-drop end extending to the mounting hole. And along with the connection of the fastener, the anti-disengaging part can elastically deform so as to enable the fastener to cross over the anti-disengaging end, and when the fastener is connected in place, the anti-disengaging end can be blocked on the fastener to limit the separation of the fastener on the connecting piece.

The backplate mounting structure at bottom of automobile body of this embodiment is through setting up the anticreep portion that arranges corresponding to the mounting hole on the backplate at the bottom to make the anticreep end stop of anticreep portion arrange in on the fastener, thereby can restrict the fastener and break away from on by the connecting piece, and then can effectively prevent that backplate from droing from the automobile body at the bottom.

Based on the above design concept, an exemplary structure of the vehicle body under-cover mounting structure of the present embodiment is shown in fig. 1 to 4, wherein, as shown in fig. 5 in combination with fig. 1, the structure of the under-cover 1 is similar to that of the existing vehicle under-cover, and a plurality of mounting holes 103 for the above-mentioned connecting members to pass through are provided thereon. As shown in fig. 6, in order to improve the connection effect of the bottom guard plate 1, a convex groove 102 is formed on the bottom guard plate 1 corresponding to the position of the connection member, and the mounting hole 103 is located in the groove 102. In addition, in order to facilitate the connection member to pass through the mounting hole 103, the mounting hole 103 of this embodiment is specifically an elongated hole.

As shown in fig. 6 in combination with fig. 3, the retaining portion of the present embodiment is specifically a retaining claw 101 disposed at the edge of the groove 102, and the free end of the retaining claw 101 constitutes the retaining end. In addition, to facilitate the deformation of the retaining portion, as shown in fig. 6, the position of the bottom guard plate 1 corresponding to the retaining claw 101 is hollowed out, and as shown in fig. 4, the length L1 of the hollowed-out portion is specifically 10mm to 15 mm. In addition, for manufacturing, anticreep claw 101 integrated into one piece is on backplate 1 at the bottom, and through set up recess 102 on backplate 1 at the bottom, not only can be convenient for anticreep claw 101 and backplate 1 integrated into one piece at the bottom, also can improve the structural strength of backplate 1 mounting point department at the bottom simultaneously to can improve backplate 1's installation fastness at the bottom.

In this embodiment, in order to facilitate the fastener 2 to pass over the retaining end, as shown in fig. 6, the width of the retaining claw 101 is reduced in the direction to the retaining end, so that the elasticity of the retaining end can be improved, thereby facilitating the elastic deformation of itself. And to effectively prevent the fastener 2 from falling off, as shown in fig. 4, when the anti-falling end is stopped on the fastener 2, the overlapping amount L2 between the anti-falling end and the fastener 2 is 1.5mm, so that it can be ensured that the anti-falling end has a sufficient stopping area for the fastener 2. Of course, the overlapping amount L2 between the anti-slip end and the fastening member 2 can be adjusted according to the specific situation, except that it is set to 1.5 mm. In addition, in order to further improve the use effect, the retaining portions are a plurality of circumferentially distributed ring mounting holes 103, and as a practical implementation, as shown in fig. 6, the retaining portions of the present embodiment are specifically arranged oppositely.

As shown in fig. 3 and 4, the connecting member of the present embodiment is specifically a bolt 3, and the fastener 2 is specifically sleeved on the bolt 3, and the bolt 3 is specifically welded and fixed in the vehicle body 4. The structure of the fastening member 2 is as shown in fig. 7 and 8, the shape of the fastening member is substantially the same as that of a conventional flange nut, three jaws 201 are arranged in the fastening member 2 at intervals in a ring shape, and the fastening member 2 is connected to the bolt 3 through the jaws 201. Of course, instead of providing three jaws 201 spaced apart, two or four jaws 201 may be provided for the connection between the fastener 2 and the bolt 3.

As shown in fig. 7 and 8, a stopper 202 for restricting the inclination of the fastening member 2 with respect to the bolt 3 is provided between the adjacent jaws 201, and each stopper 202 extends in the axial direction of the fastening member 2, so that the fastening member 2 is prevented from being inclined when the fastening member 2 is fitted onto the bolt 3, thereby improving the reliability of the installation of the fastening member 2. Based on the three jaws 201 arranged at intervals, the three limit blocks 202 of the embodiment are also arranged at intervals.

When the mounting structure of the underbody guard plate of the embodiment is used for mounting the underbody guard plate 1, the mounting hole 103 of the underbody guard plate 1 is aligned with the bolt 3, the fastener 2 is sleeved on the bolt 3, and the fastener 2 is pressed by hand. And along with pressing to fastener 2, anticreep claw 101 can have the deflection to the chucking is on bolt 3, in this process, because of the setting of stopper 202 can prevent that fastener 2 from inclining, thereby can guarantee the installation reliability of fastener 2.

Meanwhile, along with the pressing of the fastener 2, the anti-falling claw 101 can be forced to deform, so that after the fastener 2 crosses the anti-falling claw 101, the anti-falling claw 101 is blocked on the fastener 2 due to the return, and therefore the connection between the fastener 2 and the bolt 3 can be completed, the installation of the bottom protection plate 1 on the vehicle body 4 can be realized, and meanwhile, the bottom protection plate 1 can be effectively prevented from falling off from the vehicle body 4.

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

1. The utility model provides a backplate mounting structure under automobile body which characterized in that: including the connecting piece that stretches down that is located automobile body (4) bottom, the confession that forms on backplate (1) the mounting hole (103) that the connecting piece passed, and in the bottom side of backplate (1) can dismantle connect in fastener (2) on the connecting piece, wherein, in backplate (1) is gone up corresponding to mounting hole (103) are equipped with anticreep portion, anticreep portion have to the anticreep end that mounting hole (103) extend, and along with the connection of fastener (2), anticreep portion self elastic deformation so that fastener (2) cross the anticreep end, and in fastener (2) connect when in place, the anticreep end can keep off and place in on fastener (2), and the restriction fastener (2) are in breaking away from on the connecting piece.

2. The underbody shield mounting structure according to claim 1, wherein: the anti-dropping part is a plurality of rings which are uniformly distributed in the circumferential direction of the mounting hole (103).

3. The underbody shield mounting structure according to claim 1, wherein: corresponding to the position of connecting piece, in be formed with recess (102) of epirelief on backplate (1), mounting hole (103) are located in recess (102), anticreep portion is for locating anticreep claw (101) at recess (102) edge, just the free end of anticreep claw (101) constitutes the anticreep end.

4. The under cover mounting structure according to claim 3, wherein: the anti-falling claw (101) is integrally formed on the bottom protection plate (1).

5. The under cover mounting structure according to claim 3, wherein: the width of the retaining claw (101) decreases in the direction to the retaining end.

6. The underbody shield mounting structure according to claim 1, wherein: when the anti-falling end block is arranged on the fastening piece (2), the lap joint quantity between the anti-falling end and the fastening piece (2) is 1.5 mm.

7. The under cover mounting structure according to any one of claims 1 to 6, wherein: the connecting piece is a bolt (3), and the fastening piece (2) is sleeved on the bolt (3).

8. The under cover mounting structure according to claim 7, wherein: the bolt (3) is fixed in the vehicle body (4) in a welding mode.

9. The under cover mounting structure according to claim 7, wherein: the fastener (2) is connected to the bolt (3) through a plurality of claws (201) arranged in the fastener per se at intervals in a ring shape.

10. The under cover mounting structure according to claim 9, wherein: and a limiting block (202) for limiting the inclination of the fastener (2) relative to the connecting piece is arranged between every two adjacent clamping jaws (201).