CN106945726B

CN106945726B - Automobile towing hook and automobile longitudinal beam

Info

Publication number: CN106945726B
Application number: CN201710113240.6A
Authority: CN
Inventors: 李文凤; 徐莉; 侯聚英; 邬杰; 刘力群
Original assignee: Jiangling Motors Corp Ltd
Current assignee: Jiangling Motors Corp Ltd
Priority date: 2017-02-28
Filing date: 2017-02-28
Publication date: 2020-07-24
Anticipated expiration: 2037-02-28
Also published as: CN106945726A

Abstract

The utility model provides an automobile tow hook, is including first supporting part, the second supporting part on locating the automobile longitudinal beam of car, first supporting part with the same one side of second supporting part is connected with a support connecting portion, be equipped with the tow hook hole in the support connecting portion, the edge of supporting connecting portion is equipped with the opening orientation the first conquassation structure of automobile longitudinal beam direction works as when the car bumps, first conquassation structure draws in under the effect of collision force, first supporting part is followed the automobile longitudinal beam to the second supporting part slides. In the automobile tow hook, the supporting connecting part is arranged on the same side edge of the first supporting part and the second supporting part, and the edge of the supporting connecting part is provided with the first crushing structure, so that the automobile tow hook is easy to crush when an automobile collides, and the crushing space of an automobile longitudinal beam cannot be influenced. The invention also provides an automobile longitudinal beam containing the automobile tow hook.

Description

Automobile towing hook and automobile longitudinal beam

Technical Field

The invention relates to the technical field of automobiles, in particular to an automobile tow hook and an automobile longitudinal beam comprising the same.

Background

An automobile towing hook is a towing device, generally used for towing automobiles, motorcycles, and motor homes, carrying self-traveling luggage bins, etc., and is favored by users because it does not damage the automobile body of the automobile and does not affect normal driving.

At present, the front end and the tail end of most automobiles are provided with automobile towing hooks, the automobile towing hook at the front end is generally arranged on a front anti-collision beam or a front automobile longitudinal beam, and the automobile towing hook at the tail end is generally arranged on a rear anti-collision beam or a rear automobile longitudinal beam. The automobile towing hook is mainly divided into two types according to the installation structure mode: one is a detachable automobile towing hook which is arranged on an anti-collision beam or an automobile longitudinal beam through a bolt; the other is a non-detachable automobile towing hook which is welded on an anti-collision beam or an automobile longitudinal beam in a welding mode.

The impact safety performance of the detachable automobile towing hook on the automobile is not greatly influenced because the automobile towing hook is generally placed in a tool box on the automobile in the normal movement process of the automobile. However, for the non-detachable automobile tow hook, when the automobile normally runs, the automobile tow hook is installed on the anti-collision beam or the automobile longitudinal beam, the crushing space occupying the direction of the automobile longitudinal beam is about 100 mm, the front collision crushing space of the whole automobile is about 600 mm, and if the automobile tow hook cannot be crushed, the energy absorption space of the automobile longitudinal beam is shortened, and great potential safety hazards exist for passengers.

Disclosure of Invention

In view of the above, the invention aims to provide an automobile tow hook easy to crush and an automobile longitudinal beam containing the automobile tow hook.

The utility model provides an automobile tow hook, is including first supporting part, the second supporting part on locating the automobile longitudinal beam of car, first supporting part with the same one side of second supporting part is connected with a support connecting portion, be equipped with the tow hook hole in the support connecting portion, the edge of supporting connecting portion is equipped with the opening orientation the first conquassation structure of automobile longitudinal beam direction works as when the car bumps, first conquassation structure draws in under the effect of collision force, first supporting part is followed the automobile longitudinal beam to the second supporting part slides.

Compared with the prior art, in the automobile tow hook, the supporting connection part is arranged on the same side edge of the first supporting part and the second supporting part, and the first crushing structure is arranged on the edge of the supporting connection part, so that the automobile tow hook is easy to crush when an automobile collides, and the crushing space of an automobile longitudinal beam cannot be influenced.

Further, the first crushing structure is a notch-shaped structure, and the notch is one of a V-shaped notch or a U-shaped notch.

Furthermore, an inward concave or outward convex connecting part is connected between two sides of the notch, and the cross section of the connecting part is in one of an arc shape or a triangular shape.

Furthermore, the end part of the first supporting part and the end part of the second supporting part are respectively provided with a second crushing structure, and the second crushing structure is a notch structure.

Furthermore, a reinforcing plate is arranged on the supporting connection part, and a reinforcing hole communicated with the towing hook hole is formed in the reinforcing plate.

Further, the widths of the end portions of the first and second support portions to the support connection portion are gradually reduced.

Furthermore, first supporting part with the second supporting part is "V" type structure, first supporting part is close to the tip of car longeron and with car longeron is perpendicular to be connected.

Furthermore, the end parts of the first supporting part and the second supporting part extend to form side walls attached to the side surfaces of the automobile longitudinal beams, and the second crushing structures are located on the edges of the side walls.

Furthermore, a side plate is further extended from the end of the second supporting portion, a clamping groove is formed between the side plate and the side wall, and the clamping groove is clamped with the automobile longitudinal beam.

The utility model provides an automobile longitudinal beam, including first longeron and with the second longeron of first longeron looks lock, first longeron the second longeron is "" type structure, first longeron the department of buckling of second longeron all is equipped with a plurality of longeron conquassation structures that the position corresponds, longeron conquassation structure to the inside indent of automobile longitudinal beam, automobile longitudinal beam still includes the automobile tow hook, the automobile tow hook is installed two adjacent between the longeron conquassation structure.

Drawings

FIG. 1 is a schematic structural diagram of the position of an automobile towing hook in a whole automobile according to a first embodiment of the invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at I;

FIG. 3 is a perspective view of the automobile tow hook of FIG. 2;

fig. 4 is a perspective view of an automotive tow hook according to a second embodiment of the present invention.

Description of the main element symbols:

automobile longitudinal beam	100	First longitudinal beam	10
				Second longitudinal beam	11	Longeron conquassation structure	12
Automobile towing hook	200	Automobile towing hook	200a
				A first supporting part	20	Second supporting part	21
Support connecting part	22	Towing hook hole	221
				First crushing structure	222	First of allCrushing structure	222a
Second crushing structure	23	Side wall	24
				Side plate	25	Clamping groove	26
Reinforcing plate	27	Reinforced hole	271
				Connecting part	28	Connecting beam	300

The following detailed description will further illustrate the invention in conjunction with the above-described figures.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Several embodiments of the invention are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, in an automobile longitudinal beam 100 provided in an embodiment of the present invention, the automobile longitudinal beam 100 includes a first longitudinal beam 10 and a second longitudinal beam 11 fastened to the first longitudinal beam 10, the first longitudinal beam 10 and the second longitudinal beam 11 are both in an "" type structure, six longitudinal beam crushing structures 12 corresponding to each other are disposed at a bending position of each of the first longitudinal beam 10 and the second longitudinal beam 11, the longitudinal beam crushing structures 12 are recessed into an interior of the automobile longitudinal beam 100, the automobile longitudinal beam 100 further includes an automobile tow hook 200, and the automobile tow hook 200 is installed between two adjacent longitudinal beam crushing structures 12.

Specifically, in the present embodiment, the first side member 10 and the second side member 11 are both "" type structures, so that the automobile side member 100 has strong bending and torsion resistance, and the side member crushing structure 12 makes the automobile side member 100 easily crushed and absorb energy in a collision situation.

Specifically, in the present embodiment, there are six longitudinal beam crush structures 12. It is understood that in other embodiments, the number of the side rail crush structures 12 can be set according to the length dimension of the automobile side rail 100.

Referring to fig. 2 and 3, the automobile tow hook 200 includes a first supporting portion 20 and a second supporting portion 21 disposed on an automobile longitudinal beam 100 of an automobile, a supporting connection portion 22 is connected to a same side of the first supporting portion 20 and the second supporting portion 21, a tow hook hole 221 is disposed in the supporting connection portion 22, and a first crushing structure 222 having an opening facing the automobile longitudinal beam 100 is disposed at an edge of the supporting connection portion 22.

Specifically, in this embodiment, the first support portion 20 and the second support portion 21 are in a "V" shape, and the first support portion 20 is close to an end of the automobile longitudinal beam 100 and is vertically connected to the automobile longitudinal beam 100. The widths of the end portions of the first and

second support portions

20 and 21 to the support connection portion 22 are gradually reduced. The support connection portion 22 is V-shaped, and the first support portion 20 and the second support portion 21 are flange structures extending from the outer edge of the support connection portion 22 to the same side of the support connection portion 22.

Specifically, in this embodiment, the support connection portion 22 is located on the outer side of the automobile longitudinal beam 100, and the first support portion 20 and the second support portion 21 are respectively arranged with a width structure between the support connection portions 22, so as to facilitate connection between the two automobile longitudinal beams 100 through the connection beam 300, prevent interference, and reduce the weight of the automobile tow hook 200.

Referring to fig. 3, the first crushing structure 222 is a notch-shaped structure, and the notch is a "V" shaped notch.

Specifically, in this embodiment, the notches are V-shaped notches, so that the first crushing structure 222 is easily crushed in a collision. It will be appreciated that in other embodiments, the notch is one of a "V" notch or a "U" notch.

Referring to fig. 2, second crush structures 23 are respectively disposed at an end of the first support portion 20 and an end of the second support portion 21, a side wall 24 attached to a side surface of the vehicle side rail 100 extends from each of the ends of the first support portion 20 and the second support portion 21, and the second crush structures 23 are located at edges of the side wall 24. A side plate 25 is further extended from the end of the second supporting portion 21, a clamping groove 26 is formed between the side plate 25 and the side wall 24, and the clamping groove 26 is clamped with the automobile longitudinal beam 100.

Specifically, in this embodiment, the second crush structure 23 is a notch structure, and the second crush structure 23 is configured to make the first support 20 and the second support 21 easily crushed in a collision.

Specifically, in the present embodiment, the sidewall 24 functions to reinforce the connection between the car tow hook 200 and the car longitudinal beam 100. The end of the second support 21 is provided with the side plate 25, while the end of the first support 20 is not provided with the side plate 25, for the purpose of: on the one hand, the fastening groove 26 reinforces the connection strength between the second support portion 21 and the vehicle longitudinal beam 100, and on the other hand, relatively reduces the connection strength between the first support portion 20 and the vehicle longitudinal beam 100, so that the first support portion 20 is likely to move together with the end portion of the vehicle longitudinal beam 100 in the direction of the second support portion 21 in the event of a collision.

Referring to fig. 2 again, a reinforcing plate 27 is disposed on the supporting connection portion 22, and a reinforcing hole 271 communicated with the towing hook hole 221 is disposed in the reinforcing plate 27.

Specifically, in the present embodiment, the reinforcing plate 27 is disposed outside the support connection portion 22 in order to prevent the connection beam 300 from interfering with the vehicle side member 100, and the reinforcing plate 27 serves to increase the strength of the vehicle towing hook 200. The function of the towing hook hole 221 is to facilitate connection with other vehicles through a rope.

It is understood that in other embodiments, a sleeve may be added to the tow hook hole 221 to increase the strength of the vehicle tow hook 200.

In the present invention, when the automobile collides, the end of the automobile longitudinal beam 100 is firstly impacted, the automobile longitudinal beam 100 is crushed under the action of the collision force, the first crushing structure 222 is folded under the action of the collision force, and at this time, the first supporting portion 20 slides to the second supporting portion 21 along with the automobile longitudinal beam 100 because the first supporting portion 20 is located near the end of the automobile longitudinal beam 100, so that the crushing space of the automobile longitudinal beam 100 is not affected.

In summary, in the automobile tow hook 200 according to the present invention, the support connection portion 22 is disposed on the same side of the first support portion 20 and the second support portion 21, and the first crush structure 222 is disposed on the edge of the support connection portion 22, so that the automobile tow hook 200 is easily crushed when an automobile collides, and the crush space of the automobile longitudinal beam 100 is not affected.

Referring to fig. 4, an automobile tow hook 200a according to a second embodiment of the present invention is provided, in which the automobile tow hook 200a in this embodiment is substantially the same as the automobile tow hook 200 in the first embodiment, except that in the first crushing structure 222a of this embodiment, a convex connecting portion 28 is connected between two sides of the notch, and the cross-sectional shape of the connecting portion 28 is an arc.

In particular, in the present embodiment, the connecting portion 28 functions to enable the first crushing structure 222a to be easily crushed, and the connecting portion 28 can be formed by stamping instead of milling, so that the processing is more convenient. It is understood that in other embodiments, the connecting portion 28 may be concave or convex, and the cross-sectional shape of the connecting portion 28 may be one of circular arc or triangular.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides an automobile tow hook, is including first supporting part, the second supporting part on locating the automobile longitudinal beam of car, its characterized in that: the same side of the first supporting part and the second supporting part is connected with a supporting connecting part, a towing hook hole is arranged in the supporting connecting part, the edge of the supporting connecting part is provided with a first crushing structure with an opening facing the direction of the automobile longitudinal beam, when the automobile collides, the first crushing structure is folded under the action of the collision force, the first supporting part slides to the second supporting part along with the automobile longitudinal beam, the first crushing structure is a notch-shaped structure, the notch is one of a V-shaped notch or a U-shaped notch, the end part of the first supporting part and the end part of the second supporting part are respectively provided with a second crushing structure, the second crushing structure is a notch structure, the first supporting part and the second supporting part are in a V-shaped structure, the first supporting part is close to the end part of the automobile longitudinal beam and is vertically connected with the automobile longitudinal beam.

2. The vehicle tow hook according to claim 1, wherein an inner or outer convex connecting portion is connected between both sides of the notch, and the cross-sectional shape of the connecting portion is one of a circular arc shape and a triangular shape.

3. The automotive tow hook according to claim 1, wherein a reinforcement plate is provided on the support connection portion, and a reinforcement hole communicating with the tow hook hole is provided in the reinforcement plate.

4. The automotive tow hook of claim 1, wherein the width of each of the end portion of the first support portion, the end portion of the second support portion to the support connection portion is gradually reduced.

5. The vehicle tow hook of claim 1, wherein the ends of the first support and the second support each extend to a side wall that engages a side surface of the vehicle rail, and the second crush feature is located at an edge of the side wall.

6. The vehicle tow hook of claim 5, wherein a side plate extends from the end of the second support portion, the side plate and the side wall form a slot, and the slot is engaged with the vehicle longitudinal beam.

7. The utility model provides an automobile longitudinal beam, including first longeron and with the second longeron of first longeron looks lock, first longeron the second longeron is "" type structure, a serial communication port, first longeron the department of buckling of second longeron all is equipped with a plurality of longeron crushing structures that the position corresponds, longeron crushing structure to the inside indent of automobile longitudinal beam, automobile longitudinal beam still includes any one of claims 1 to 6 the automobile tow hook, the automobile tow hook is installed two adjacent between the longeron crushing structure.