CN219635333U

CN219635333U - Device for supporting torsion bar of trunk and vehicle comprising same

Info

Publication number: CN219635333U
Application number: CN202320152635.8U
Authority: CN
Inventors: 李佐斌; 王海亮; 金亨键; 张利
Original assignee: Hyundai Motor Co; Kia Corp
Current assignee: Hyundai Motor Co; Kia Corp
Priority date: 2023-01-17
Filing date: 2023-01-17
Publication date: 2023-09-05
Anticipated expiration: 2033-01-17

Abstract

The present utility model relates to a device for supporting a torsion bar of a trunk and a vehicle including the same. The device for supporting the torsion bar of the trunk comprises a main bracket, an arc-shaped member and a plurality of rolling members, wherein the main bracket is arranged on the vehicle body and is provided with a groove, and the torsion bar of the trunk can pass through the groove; the arc-shaped piece is fixed in the groove; the plurality of rolling members are embedded in the arc-shaped member and are disposed to protrude from an inner peripheral surface of the arc-shaped member. The utility model can ensure the size of the installation position of the torsion bar at low temperature, and can reduce the friction between the torsion bar and the supporting device thereof, so that the ejection height of the trunk cover is stable at low temperature.

Description

Device for supporting torsion bar of trunk and vehicle comprising same

Technical Field

The utility model relates to the technical field of vehicle trunk, in particular to a device for supporting a torsion bar of a trunk and a vehicle comprising the device.

Background

In general, a trunk lid of a vehicle adopts two torsion bars made of alloy steel as an ejecting device of the trunk lid, and the end parts of the torsion bars form a bending fillet structure. The trunk of the vehicle comprises a pair of hinge assemblies which are arranged at intervals and symmetrically, and the two torsion bars are connected between the two hinge assemblies through a bending round angle structure. The torque of the torsion bar drives the hinge plate to rotate relative to the bracket so as to open the trunk cover. A torsion bar bracket is further arranged in the trunk of the vehicle and is used for supporting the torsion bar of the trunk. The conventional torsion bar bracket is provided with a groove in which the torsion bar is placed, and the torsion bar bracket and the torsion bar are in contact with each other through surfaces. At low temperatures, the grooves contract and the friction between the bracket and the torsion bar increases, i.e., the resistance of the torsion bar increases. The boot lid has an insufficient ejection height at low temperatures, even zero, compared to room temperature performance. Accordingly, there is a need for a device for supporting a torsion bar of a trunk that maintains a stable ejection height of the trunk lid even at low temperatures.

The above description of the background is only for the purpose of facilitating a thorough understanding of the present utility model's aspects (in terms of the means of technology used, the technical problems solved, and the technical effects produced, etc.) and should not be taken as an acknowledgement or any form of suggestion that this message constitutes prior art that is already known to a person skilled in the art.

Disclosure of Invention

An object of the present utility model is to provide an apparatus for supporting a torsion bar of a trunk and a vehicle including the same, which can maintain a stable ejection height of a trunk lid even at low temperatures.

According to an embodiment of the present utility model, there is provided an apparatus for supporting a torsion bar of a trunk, including a main bracket, an arc-shaped member, and a plurality of rolling members, the main bracket being mounted to a vehicle body and provided with a recess through which the torsion bar of the trunk can pass; the arc-shaped piece is fixed in the groove; the plurality of rolling members are embedded in the arc-shaped member and are disposed to protrude from an inner peripheral surface of the arc-shaped member.

Preferably, the arc-shaped piece is provided with a groove extending along the axial direction and a pin hole penetrating through the arc-shaped piece and the groove along the axial direction; the rolling member includes a pin shaft capable of passing through the pin hole, and a roller provided in the groove and rotatable about the pin shaft.

Preferably, the groove has an opening portion and a mounting portion; the inner peripheral surface of the mounting part is matched with the shape of the outer peripheral surface formed by the arc-shaped piece and the rolling pieces.

Preferably, the edge of the opening portion is provided with a projection extending toward the inside of the groove, the projection being capable of abutting against the torsion bar.

Preferably, the mounting portion is provided with a clamping portion for clamping with the arc-shaped piece.

Preferably, the plurality of rolling members are arranged at the same interval.

Preferably, the number of the grooves is set to two or more; two or more grooves are arranged in a vertical direction; two adjacent grooves are connected through a guide part; two ends of the guide part are provided with protrusions which are respectively clamped with corresponding arc-shaped pieces in the two adjacent grooves.

Preferably, the main bracket is further provided with arc-shaped holes diverged outward from the center of the arc-shaped member, the arc-shaped holes being disposed to be substantially identical to the curvature of the arc-shaped member and spaced apart by a predetermined distance.

Preferably, the material of the main support is plastic, and the material of the arc-shaped piece is metal.

According to another embodiment of the present utility model, there is provided a vehicle including the above-described apparatus for supporting a torsion bar of a trunk.

The utility model adopts the technical scheme that the utility model has the following beneficial effects:

the utility model can ensure the size of the installation position of the torsion bar at low temperature, and can reduce the friction between the torsion bar and the supporting device thereof, so that the ejection height of the trunk cover is stable at low temperature.

Drawings

Exemplary embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. For clarity, the same elements in different figures are shown with the same reference numerals. It is noted that the figures are for illustrative purposes only and are not necessarily drawn to scale. In these figures:

fig. 1 is a schematic structural view of an apparatus for supporting a torsion bar of a trunk according to an embodiment of the present utility model.

Fig. 2 is a structural exploded view of an apparatus for supporting a torsion bar of a trunk according to an embodiment of the present utility model.

Fig. 3 is a schematic view showing a use state of the apparatus for supporting a torsion bar of a trunk according to the embodiment of the present utility model.

Fig. 4 is a schematic structural view of a main stent according to an embodiment of the present utility model.

Fig. 5 is a schematic view showing the structure of an arc hole provided on a main bracket according to an embodiment of the present utility model.

Fig. 6 is a structural exploded view showing an arc-shaped member and a rolling member according to an embodiment of the present utility model.

Fig. 7 is a sectional view taken along line A-A in fig. 3.

Fig. 8A and 8B are schematic views of a comparison between an apparatus for supporting a torsion bar of a trunk without an arc and a rolling member and an apparatus for supporting a torsion bar of a trunk with an arc and a rolling member according to an embodiment of the present utility model.

Detailed Description

The following describes embodiments of the present utility model in detail, and the embodiments and specific operation procedures are given on the premise of the technical solution of the present utility model, but the scope of the present utility model is not limited to the following embodiments.

Fig. 1 is a schematic structural view of an apparatus for supporting a torsion bar of a trunk according to an embodiment of the present utility model. Fig. 2 is a structural exploded view of an apparatus for supporting a torsion bar of a trunk according to an embodiment of the present utility model. Fig. 3 is a schematic view showing a use state of the apparatus for supporting a torsion bar of a trunk according to the embodiment of the present utility model. Referring to fig. 1 to 3, an apparatus for supporting a torsion bar of a trunk according to an embodiment of the present utility model includes a main bracket 100, an arc 200, and a rolling member 300. The main bracket 100 is mounted to the vehicle body and provided with a groove 110, and a torsion bar 400 of the trunk can pass through the groove 110. The arc 200 is fixed in the recess 110. The plurality of rolling members 300 are embedded in the arc member 200 and are disposed to protrude from the inner circumferential surface of the arc member 200. With the torsion bar 400 of the trunk passing through the groove 110, the torsion bar 400 of the trunk and the surfaces of the plurality of rolling members 300 embedded in the arc member 200 are in contact with each other.

Fig. 4 is a schematic structural view of a main stent according to an embodiment of the present utility model. Referring to fig. 2 and 4, the groove 110 has an opening 111 and a mounting portion 112. The edge of the opening 111 is provided with a projection 113 extending toward the inside of the groove. The protrusion 113 can abut against the torsion bar 400, so that the movement of the torsion bar 400 can be restricted. The inner circumferential surface of the mounting portion 112 matches the shape of the outer circumferential surface formed by the arc member 200 and the plurality of rolling members 300. Specifically, the inner circumferential surface of the mounting portion 112 is an arc surface substantially identical to the outer circumferential surface of the arc member 200, and since the rolling member 300 also protrudes from the outer circumferential surface of the arc member 200, the arc surface of the mounting portion 112 may be provided with the notch 114 corresponding to the position of the rolling member. The mounting portion 112 is provided with a locking portion 115 for locking with the arc-shaped member 200.

The number of grooves 110 is set to two or more, and the two or more grooves 110 are arranged in the vertical direction. Preferably, since the vehicle trunk lid employs two torsion bars made of alloy steel as the ejecting means of the trunk lid, the number of the grooves 110 is set to two. Adjacent two grooves 110 are connected by a guide 120. The two ends of the guide 120 are provided with protrusions 121 respectively engaged with the corresponding arc pieces 200 in the adjacent two grooves 110.

As described above, the main bracket 100 is provided with the catching portion 115 and the protrusion 121. The engaging portion 115 and the protrusion 121 are used to fix the arc member 200 to the main frame 100, but the present utility model is not limited thereto, and the arc member 200 may be fixed to the main frame 100 by means of heat fusion while the engaging portion 115 and the protrusion 121 are engaged with the arc member 200.

Fig. 5 is a schematic view showing the structure of an arc hole provided on a main bracket according to an embodiment of the present utility model. The main bracket 100 is further provided with arc-shaped holes 130 diverged outward from the center O of the arc-shaped member 200, and the arc-shaped holes 130 are disposed to be substantially identical to the curvature of the arc-shaped member 200 and spaced apart by a predetermined distance L. Preferably, the distance L may be 1/10 to 2/13 of the width of the main support 100.

According to an embodiment of the present utility model, the material of the main supporter 100 is plastic, and the material of the arc-shaped member 200 is metal. At low temperatures, the expansion coefficient of the metal material is lower than that of the plastic material, and the plastic material of the main bracket 100 tends to shrink the arc-shaped hole 130 in the direction of the divergence of the center O of the arc-shaped member 200, thereby changing the direction of deformation of the main bracket 100, ensuring the normal size of the installation location of the torsion bar 400 (i.e., the arc-shaped member 200 and the groove 110). Accordingly, the problem of insufficient trunk lid pop-up height due to increased friction between the torsion bar 400 and the mounting hole of the torsion bar 400 caused by shrinkage of the groove at low temperature is solved.

Fig. 6 is a structural exploded view showing an arc-shaped member and a rolling member according to an embodiment of the present utility model. Fig. 7 is a sectional view taken along line A-A in fig. 3. With reference to fig. 2, 6 and 7. The arc member 200 is provided with a groove 210 extending in an axial direction and a pin hole 220 penetrating the arc member 200 and the groove 210 in the axial direction. The rolling member 300 includes a pin 310 and a roller 320, the pin 310 being capable of passing through the pin hole 220, the roller 320 being disposed in the groove 210 and being capable of rotating about the pin 310.

According to the embodiment of the present utility model, a plurality of rolling members 300 may be provided corresponding to one arc member 200, and the plurality of rolling members 300 are arranged at the same interval, and preferably, the rolling members 300 are provided in three.

Fig. 8A and 8B are schematic views of a comparison between an apparatus for supporting a torsion bar of a trunk without an arc and a rolling member and an apparatus for supporting a torsion bar of a trunk with an arc and a rolling member according to an embodiment of the present utility model. In the device for supporting the torsion bar of the trunk without the arc 200 and the rolling member 300, in combination with fig. 8A and 8B, the torsion bar 400 contacts the groove through the surface 810, and the contact area is large. In the apparatus for supporting a torsion bar of a trunk having the arc-shaped member and the rolling member according to the embodiment of the present utility model, the torsion bar 400 contacts the roller 320 through the line type 820 (i.e., the line of the axial direction of the surface of the roller 320), the contact area is small, the friction is small, and thus the influence of the deformation of the installation position of the torsion bar 400 (i.e., the arc-shaped member 200 and the groove 110) at low temperature on the torsion bar 400 is small.

By the device for supporting the torsion bar of the trunk according to the embodiment of the present utility model, the size of the installation position of the torsion bar can be ensured at low temperature, and friction between the torsion bar and its supporting device can be reduced, and therefore, the device for supporting the torsion bar of the trunk according to the embodiment of the present utility model allows the ejection height of the trunk lid to be kept stable at low temperature.

In After-market (a/S), grease is typically added to the torsion bar bracket to reduce friction if the trunk lid is not sufficiently sprung. By the device for supporting the torsion bar of the trunk according to the embodiment of the present utility model, the influence of the friction force in the a/S can be eliminated, and the a/S can be facilitated.

In addition, the embodiment of the present utility model also provides a vehicle provided with the apparatus for supporting the torsion bar of the trunk of the above embodiment, the pop-up height of the trunk lid of which is also kept stable at low temperatures. In addition, other configurations and functions of the vehicle according to the embodiment of the present utility model are known to those skilled in the art, and a detailed description is omitted for the sake of reducing redundancy.

The various embodiments of the utility model are not an exhaustive list of all possible combinations, but are intended to describe representative aspects of the utility model and the disclosure described in the various embodiments can be applied separately or in combinations of two or more.

The description of the exemplary embodiments presented above is merely illustrative of the technical solution of the present utility model and is not intended to be exhaustive or to limit the utility model to the precise form described. Obviously, many modifications and variations are possible in light of the above teaching to those of ordinary skill in the art. The exemplary embodiments were chosen and described in order to explain the specific principles of the utility model and its practical application to thereby enable others skilled in the art to understand, make and utilize the utility model in various exemplary embodiments and with various alternatives and modifications. It is intended that the scope of the utility model be defined by the following claims and their equivalents.

Claims

1. An apparatus for supporting a torsion bar of a trunk, comprising:

a main bracket mounted to the vehicle body and provided with a groove through which a torsion bar of the trunk can pass;

an arc-shaped member fixed in the groove;

and a plurality of rolling members embedded in the arc-shaped member and provided to protrude from an inner circumferential surface of the arc-shaped member.

2. The apparatus for supporting a torsion bar of a trunk according to claim 1, wherein,

the arc-shaped piece is provided with a groove extending along the axial direction and a pin hole penetrating through the arc-shaped piece and the groove along the axial direction;

the rolling member includes a pin shaft capable of passing through the pin hole, and a roller provided in the groove and rotatable about the pin shaft.

3. The apparatus for supporting a torsion bar of a trunk according to claim 1, wherein,

the groove is provided with an opening part and a mounting part;

the inner peripheral surface of the mounting part is matched with the shape of the outer peripheral surface formed by the arc-shaped piece and the rolling pieces.

4. A device for supporting a torsion bar of a trunk as claimed in claim 3, wherein,

the edge of the opening part is provided with a protruding part extending towards the inside of the groove, and the protruding part can be abutted against the torsion bar.

5. A device for supporting a torsion bar of a trunk as claimed in claim 3, wherein,

the mounting part is provided with a clamping part for clamping the arc-shaped piece.

6. The apparatus for supporting a torsion bar of a trunk according to claim 1, wherein,

the plurality of rolling members are arranged at the same interval.

7. The apparatus for supporting a torsion bar of a trunk according to claim 1, wherein,

the number of the grooves is two or more;

two or more grooves are arranged in a vertical direction;

two adjacent grooves are connected through a guide part;

two ends of the guide part are provided with protrusions which are respectively clamped with corresponding arc-shaped pieces in the two adjacent grooves.

8. The apparatus for supporting a torsion bar of a trunk according to claim 1, wherein,

the main bracket is further provided with an arc hole which diverges outwards from the center of the arc member, and the arc hole is arranged to be substantially the same as the curvature of the arc member and spaced apart by a predetermined distance.

9. The device for supporting a torsion bar of a trunk according to claim 1, wherein the material of the main bracket is plastic and the material of the arc is metal.

10. A vehicle characterized in that it comprises a device for supporting a torsion bar of a trunk according to any one of claims 1-9.