CN217553608U - Tow hook and vehicle - Google Patents

Abstract

The utility model discloses a tow hook and vehicle is applicable to the frame, the frame includes crossbeam and longeron, the crossbeam with the longeron passes through the connecting plate and links to each other, tow hook includes: the main body part is suitable for being connected with the bottom of the cross beam and is provided with a hanging port extending to the outer side of the cross beam; the first connecting portion and the second connecting portion are respectively connected with the main body portion, the first connecting portion is suitable for being connected with the top of the cross beam, and the second connecting portion is suitable for being connected with the connecting plate. The utility model discloses a trailer hook sets up first connecting portion and second connecting portion through connecting at the main part, can avoid appearing the trailer hook and be connected cracked problem with the crossbeam, and makes trailer hook not only link to each other with the crossbeam and still link to each other with the connecting plate, greatly strengthens the stability of being connected of trailer hook and frame, especially can avoid appearing the hookup location of crossbeam and connecting plate and appear connecting the cracked condition.

Description

Tow hook and vehicle

Technical Field

The utility model belongs to the technical field of the vehicle manufacturing technique and specifically relates to a tow hook and have vehicle of this tow hook is related to.

Background

The towing hook is a device which is arranged on a vehicle frame or a vehicle body and is generally connected to the vehicle body or the vehicle frame through bolts or welding when the vehicle breaks down, falls into a puddle and the like and needs to be towed by other vehicles or when other vehicles are trapped and need to tow the vehicle. In the correlation technique, the towing hook is mostly bent by using a U-shaped steel column and welded on a frame cross beam, but the towing hook has poor structural rigidity, limited traction capacity and easy occurrence of the condition of fracture connection with the cross beam, and the connection form easily causes the fracture connection at the connection position of the cross beam and a cross beam connecting plate, thereby causing failure problem and having improvement space.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a tow hook improves through the structure to tow hook, when satisfying the economic nature, can improve the holistic tractive ability of tow hook and reduce the potential safety hazard and solve the inefficacy problem.

According to the utility model discloses trailer hook is applicable to the frame, the frame includes crossbeam and longeron, the crossbeam with the longeron passes through the connecting plate and links to each other, its characterized in that, trailer hook includes: the main body part is suitable for being connected with the bottom of the cross beam and is provided with a hanging port extending to the outer side of the cross beam; the first connecting portion and the second connecting portion are respectively connected with the main body portion, the first connecting portion is suitable for being connected with the top of the cross beam, and the second connecting portion is suitable for being connected with the connecting plate.

According to the utility model discloses tow hook, through set up first connecting portion and second connecting portion in the main part connection, can be so that first connecting portion and main part are connected respectively with the upper and lower both sides of crossbeam and fix, improve the stability of being connected of tow hook and crossbeam, avoid appearing towing hook and crossbeam and be connected cracked problem, and simultaneously, the second connecting portion link to each other with the connecting plate, can make tow hook not only link to each other with the crossbeam still link to each other with the connecting plate, tow hook and frame's stability of being connected has greatly been strengthened, especially, the cracked condition of connection appears in the hookup location that can avoid appearing crossbeam and connecting plate, improve the safety in utilization of tow hook.

According to the utility model discloses tow hook, first connecting portion include two first extension sections, two first extension section interval distribution, two one in the first extension section is located the bottom of crossbeam with the main part links to each other and another is located the top of crossbeam with the top of crossbeam links to each other.

According to the utility model discloses tow hook, first connecting portion still include first segmental arc, first segmental arc is connected in two just be located between the first extension section the inboard of crossbeam.

According to the utility model discloses tow hook, the second connecting portion structure be with the main part buckles the linkage segment that links to each other, the one end of linkage segment with the main part links to each other and the periphery wall of the other end with the inboard of connecting plate links to each other.

According to the utility model discloses tow hook, the linkage segment with main part mutually perpendicular, just the linkage segment with be connected with the arc changeover portion between the main part.

According to the utility model discloses trailer hook, the main part includes two second extension sections, two the second extension section all be suitable for with the crossbeam links to each other, two the second extension section spaced apart distribution just hang the interface and form in two between the second extension section, two the second extension section respectively with first connecting portion with the second connecting portion link to each other.

According to the utility model discloses trailer hook, the main part still includes the second segmental arc, the second segmental arc is connected in two between the second extension, two the second extension parallel spacing apart and with the second segmental arc is injectd jointly the interface is hung.

According to the utility model discloses trailer hook, the main part first connecting portion with the second connecting portion all have circular shape cross section.

According to the utility model discloses tow hook, the cross sectional area of main part, the cross sectional area of first connecting portion with the cross sectional area of second connecting portion are the same.

The utility model also provides a vehicle

According to the utility model discloses the vehicle is provided with the tow hook of any one above-mentioned embodiment.

The vehicle and the trailer hook have the same advantages compared with the prior art, and the detailed description is omitted.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural view of a trailer hook according to an embodiment of the present invention mounted to a vehicle frame;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is a schematic structural view of another perspective of a trailer hook according to an embodiment of the present invention mounted to a vehicle frame;

FIG. 4 is a schematic structural view of a main body portion and a second connecting portion of a trailer hook according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a first connection portion in a trailer hook according to an embodiment of the present invention.

Reference numerals:

the tow hook 100 is provided with a tow hook,

a main body part 1, a second extending section 11, a second arc-shaped section 12, a bending transition section 13,

a first connection portion 2, a first extension 21, a first arc-shaped segment 22,

a second connecting portion 3, a connecting section 31, an arc-shaped transition section 32,

the beam 201, the longitudinal beam 202, the connecting plate 203, the hanging port B and the welding seam C.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

Unless otherwise specified, the front-rear direction in the present application is the longitudinal direction of the vehicle, i.e., the X direction; the left and right directions are the transverse direction of the vehicle, namely the Y direction; the up-down direction is the vertical direction of the vehicle, i.e., the Z direction.

The following describes the trailer hook 100 according to the embodiment of the present invention with reference to fig. 1 to 5, which is suitable for a vehicle frame, the vehicle frame includes a cross beam 201 and a longitudinal beam 202, the cross beam 201 is connected with the longitudinal beam 202 through a connecting plate 203, that is, the trailer hook 100 is installed on the vehicle frame, and is specifically installed on the cross beam 201 in the vehicle frame, such as the trailer hook 100 can be installed on the cross beam 201 on the front side of the vehicle frame or on the cross beam 201 on the rear side of the vehicle frame or both the trailer hook 100 and the cross beam 201 on the front side of the vehicle frame are installed on the cross beam 201 and the cross beam 201 on the rear side of the vehicle frame. The lower end of the connecting plate 203 is vertically connected with the top of the cross beam 201, the upper end of the connecting plate 203 is vertically connected with the bottom of the longitudinal beam 202, and the two connecting modes can be connected by welding.

It should be noted that the trailer hook 100 includes: a main body part 1, a first connection part 2 and a second connection part 3. The main body 1 is adapted to be connected to the bottom of the cross member 201 and has a hanging port B extending to the outside of the cross member 201. That is, the trailer hook 100 may be mounted on the cross beam 201 on the front side or the cross beam 201 on the rear side of the frame, the main body 1 is connected to the bottom of the cross beam 201, and the portion of the main body 1 having the hanging interface B is disposed to protrude from the cross beam 201, for example, the portion of the main body 1 having the hanging interface B of the trailer hook 100 mounted on the front side of the frame protrudes forward from the corresponding cross beam 201, or the portion of the main body 1 having the hanging interface B of the trailer hook 100 mounted on the rear side of the frame protrudes backward from the corresponding cross beam 201, so that the protruding hanging interface B may be connected to other vehicles or devices in the front-rear direction of the vehicle, for example, the towing and towing may be performed by a towing rope. If the main body 1 is attached to the cross member 201 on the vehicle front side, another vehicle located in front of the vehicle can be towed by the hitch port B protruding from the front side of the cross member 201 on the main body 1, or if the main body 1 is attached to the cross member 201 on the vehicle rear side, another vehicle located in rear of the vehicle can be towed by the hitch port B protruding from the rear side of the cross member 201. The following embodiments of the present invention are described by taking the beam 201 of the trailer hook 100 installed on the front side of the vehicle as an example.

And the first connecting part 2 and the second connecting part 3 are respectively connected with the main body part 1, the first connecting part 2 is suitable for being connected with the top of the cross beam 201, and the second connecting part 3 is suitable for being connected with the connecting plate 203. In other words, the main body portion 1, the first connecting portion 2 and the second connecting portion 3 are connected as a whole, one end of the first connecting portion 2 is connected with the main body portion 1, and the other end of the first connecting portion is connected with the cross beam 201, so that the trailer hook 100 is connected with the cross beam 201 at different positions of the cross beam 201 in the up-down direction, the connection strength between the trailer hook 100 and the cross beam 201 is enhanced, the rigidity of the whole is improved, the traction capacity of the trailer hook 100 is improved, and the maximum shearing stress and the traction force which can be borne by the trailer hook 100 are improved.

And one end of the second connecting part 3 is connected with the main body part 1, and the other end is connected with the connecting plate 203, so that the force applied to the cross beam 201 can be dispersedly transmitted to the connecting plate 203, namely, the stress direction of the trailer hook 100 is changed, the trailer hook 100 cannot fly out due to the fact that the welding position of the main body part 1 and the bottom of the cross beam 201 is broken, and potential safety hazards are eliminated. And when the trailer hook 100 is mounted on the cross beam 201 and subjected to forces, the risk that the connection between the cross beam 201 and the connection plate 203 may crack due to excessive traction forces is reduced.

According to the utility model discloses trailer hook 100, through set up first connecting portion 2 and second connecting portion 3 in main part 1 connection, can make first connecting portion 2 and main part 1 be connected fixedly respectively with the upper and lower both sides of crossbeam 201 respectively, improve the stability of being connected of trailer hook 100 and crossbeam 201, thereby improve the holistic tractive ability of trailer hook 100, and link to each other with main part 1 through setting up second connecting portion 3, can make trailer hook 100 not only link to each other with crossbeam 201 still link to each other with connecting plate 203, the stability of being connected of trailer hook 100 with the frame has greatly been strengthened, thereby ensured that main part 1 can not take place to split with the welding department of the bottom of crossbeam 201, reduce the fracture risk between crossbeam 201 and the connecting plate 203, improve the safety in utilization of trailer hook 100.

In some embodiments, the first connection portion 2 includes two first extension sections 21, the two first extension sections 21 are distributed at intervals, one of the two first extension sections 21 is located at the bottom of the cross beam 201 to be connected with the main body portion 1, and the other is located at the top of the cross beam 201 to be connected with the top of the cross beam 201. It should be noted that, as shown in fig. 5, both the first extending sections 21 are configured as cylinders, and the lengths and sizes of both the first extending sections 21 are the same. It can be understood that, as shown in fig. 1 and fig. 3, two first extending sections 21 are respectively connected to the top and the bottom of the cross beam 201 by welding, and the first extending section 21 at the bottom of the cross beam 201 is connected to the main body portion 1, and the two first extending sections 21 are symmetrically distributed.

In a specific implementation, when one of the two first extension sections 21 is welded to the main body 1 at the bottom of the cross beam 201, and is welded to the main body 1, as shown in fig. 2, an elongated weld C is formed between the main body 1 and the first extension section 21, so that the welding effect is more stable. And when the other first extension section 21 is welded with the top of the cross beam 201, a long-strip-shaped welding seam C is formed between the first extension section 21 and the top of the cross beam 201, so that the welding effect is more stable. The welding forms are all welding in the vertical direction, that is, the top of one first extension section 21 is welded with the bottom of the main body part 1, and the bottom of the other first extension section 21 is welded with the top of the cross beam 201, so that the first connecting part 2 is respectively connected with the main body part 1 and the cross beam 201, which is beneficial to increasing the connection stability of the trailer hook 100 and the cross beam 201, and further well avoids the problem of fracture of the main body part 1 and the cross beam 201.

In some embodiments, the first connection portion 2 further comprises a first arc-shaped section 22, and the first arc-shaped section 22 is connected between the two first extension sections 21 and is located at the inner side of the cross beam 201. It should be noted that, as shown in fig. 5, the first arc-shaped segment 22 is configured as a bent cylinder, and two ends of the first arc-shaped segment 22 are symmetrically and parallelly distributed. And, the first arc segment 22 may be configured as a circular arc and the bending diameter is larger than the height of the cross beam 201, that is, the two ends of the first arc segment 22 are just connected with the ends of the two first extension segments 21. The first arc-shaped section 22 and the two first extension sections 21 are integrally formed, so that the overall structural strength of the first connecting portion 2 can be ensured. Wherein, the inboard that indicates in the utility model is the one side that is close to the vehicle center.

It will be appreciated that the entire first connection portion 2 is constructed of U-shaped steel and is connected to the main body portion 1 at the bottom of the cross member 201 by one of the two first extensions 21 and to the top of the cross member 201 such that when the main body portion 1 is subjected to a traction force, the first connection portion 2 can take up a substantial portion of the shear force perpendicular to the body of the trailer hook 100, i.e. the force is transmitted from the first extension 21 welded to the main body portion 1 and then to the main body portion 1 welded to the bottom of the cross member 201, such that the first extensions 21 distribute the stress of the main body portion 1 and reduce the risk of tearing or cracking of the cross member 201 and the connection plate 203.

In some embodiments, the second connecting portion 3 is configured as a connecting section 31 connected to the main body portion 1 in a bent manner, one end of the connecting section 31 is connected to the main body portion 1, and the outer peripheral wall of the other end is connected to the inner side of the connecting plate 203. It should be noted that, as shown in fig. 4, the connecting section 31 is configured as a cylinder, and the lower end of the connecting section 31 is connected to the end of the main body 1. And the outer peripheral wall of the upper end of the second connection portion 3 is bonded and welded to the inner side of the connection plate 203. Wherein, adopt the welded mode to link to each other when linkage segment 31 links to each other with connecting plate 203, and form rectangular shape welding seam C at the junction, do benefit to increase welding area, make welded effect better, and more stable.

In some embodiments, the connecting section 31 is perpendicular to the main body 1, and an arc transition section 32 is connected between the connecting section 31 and the main body 1. As shown in fig. 4, the arc-shaped transition section 32 is formed by bending a cylinder with the same diameter and smaller length as the connecting section 31, wherein the connecting section 31 is respectively connected to the main body 1 and the inner side of the connecting plate 203, that is, the connecting section 31 and the main body 1 are perpendicular to each other, and the extending directions of the axes of the two ends of the bent arc-shaped transition section 32 are also perpendicular to each other.

Wherein, arc changeover portion 32 and linkage segment 31 can be integrated into one piece, and do benefit to the connection stress that reduces between linkage segment 31 and the main part 1 through set up arc changeover portion 32 between linkage segment 31 and main part 1, avoid appearing the cracked problem of structure in the hookup location department of the two, improve the stability of being connected of second connecting portion 3 and main part 1.

In some embodiments, the main body portion 1 includes two second extending sections 11, each of the two second extending sections 11 is adapted to be connected to the cross beam 201, the two second extending sections 11 are distributed at intervals, and the hanging port B is formed between the two second extending sections 11, and the two second extending sections 11 are respectively connected to the first connecting portion 2 and the second connecting portion 3. It should be noted that, as shown in fig. 1, two second extending sections 11 are both disposed at the bottom of the cross beam 201 and are parallel and spaced, and two second extending sections 11 are both configured as cylinders and are designed as the same as the cylinders configured in the first connecting portion 2 and the second connecting portion 3, and a hanging port B is formed between the two second extending sections 11.

It can be understood that the two second extending sections 11 are distributed at intervals to form a hanging interface B, and when the main body portion 1 is subjected to a traction force at the hanging interface B, one second extending section 11 is connected to the first connecting portion 2, so that the traction force can be dispersed to the top of the cross beam 201, and the problem of stress concentration of the weld C between the second extending section 11 and the bottom of the cross beam 201 is reduced, thereby avoiding the fracture of the connection between the bottom of the cross beam 201 and the main body portion 1, and improving the connection stability between the trailer hook 100 and the cross beam 201, and at the same time, the other second extending section 11 is connected to the second connecting portion 3, so that part of the traction force of the cross beam 201 in the traction force of the main body portion 1 can be dispersed to the connecting plate 203 through the second connecting portion 3, thereby reducing the traction force between the cross beam 201 and the connecting plate 203, and further reducing the risk of tearing and cracking at the connecting plate 203.

In some embodiments, the main body portion 1 further comprises a second arc-shaped segment 12, the second arc-shaped segment 12 being connected between two second extension segments 11, the two second extension segments 11 being spaced apart in parallel and defining a hanging interface B together with the second arc-shaped segment 12. It should be noted that, as shown in fig. 4, the second arc-shaped segment 12 is a curved cylinder having the same diameter as the second extension segment 11. The main body part 1 is located the bottom of crossbeam 201, wherein, the periphery wall of second extension section 11 and the lower surface laminating of crossbeam 201, second extension section 11 extends along the horizontal direction promptly, and simultaneously, second segmental arc 12 links to each other with the tip of second extension section 11, and second segmental arc 12 links to each other with second extension section 11 and extends section 11 tilt down for the second, and the extending direction of second segmental arc 12 forms certain contained angle with the horizontal plane promptly, the inclination of second segmental arc 12 is 20, and the junction of the tip of second segmental arc 12 and the tip of second extension section 11 is provided with crooked changeover portion 13, make the both ends of second segmental arc 12 and the tip stable connection of two second extension sections 11. It can be understood that the second arc-shaped section 12 of the main body 1 and the two second extending sections 11 are integrally formed, which is beneficial to improving the overall strength of the main body 1, so that the main body 1 has a stable structural state when being pulled, and the reliability of the pulling is ensured.

In some embodiments, the body portion 1, the first connection portion 2, and the second connection portion 3 each have a circular cross-section. It can be understood that, in this embodiment, there are welding conditions in the main body portion 1 and the first connection portion 2 and the second connection portion 3, and when two structural members are welded, a welding space can be formed between the peripheral wall of the main body portion 1, the first connection portion 2 or the second connection portion 3 and the structural surface attached thereto, for example, a welding space is formed between the peripheral walls of the main body portion 1 and the first connection portion 2, which is beneficial to increase the welding area and is convenient for welding operation.

In some embodiments, the cross-sectional area of the body portion 1, the cross-sectional area of the first connection portion 2, and the cross-sectional area of the second connection portion 3 are the same. It can be understood that main part 1, first connecting portion 2 and second connecting portion 3 all use the cylinder of same design, and only there is the difference in the length of cylinder and the angle of buckling, and the diameter homogeneous phase of the cylinder of design, the three has the same cross-sectional area promptly to can provide great stability when the welding, and the same cross-sectional area makes the design finished product structure more regular, and simultaneously, the three can be processed by the same technology or mould, does benefit to and promotes machining efficiency.

The utility model also provides a vehicle.

According to the utility model discloses the vehicle is provided with arbitrary draw hook 100 of the aforesaid. Under original tow hook 100's structure, add the first connecting portion 2 that the structure is the U-shaped steel for additional strengthening structural stability to and through the welding of first connecting portion 2 and one second extension 11 in the main part 1 and link to each other first connecting portion 2 and the top of crossbeam 201, the stress concentration between dispersible main part 1 and the crossbeam 201 makes the crossbeam 201 bottom avoid appearing the condition such as fracture with the main part 1 department of linking to each other. And the second connecting part 3 connected with the other second extension section 11 in the main body part 1 is connected with the connecting plate 203, so that the overall connecting strength of the whole trailer hook 100 and the frame is effectively improved, the traction capacity of the trailer hook 100 is greatly improved, the conditions of easy fracture and the like of the main body part 1 and the connecting plate 203 are reduced, the cracking risk of a welding seam C between the cross beam 201 and the connecting plate 203 is reduced, the failure problem is avoided, and the potential safety hazard is eliminated.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A trailer hook adapted for a vehicle frame, said vehicle frame comprising a cross member (201) and a longitudinal member (202), said cross member (201) being connected to said longitudinal member (202) by a web (203), characterized in that said trailer hook comprises:

the hanging device comprises a main body part (1), wherein the main body part (1) is suitable for being connected with the bottom of a cross beam (201) and is provided with a hanging port (B) extending to the outer side of the cross beam (201);

the connecting structure comprises a first connecting portion (2) and a second connecting portion (3), wherein the first connecting portion (2) and the second connecting portion (3) are respectively connected with the main body portion (1), the first connecting portion (2) is suitable for being connected with the top of the cross beam (201), and the second connecting portion (3) is suitable for being connected with the connecting plate (203).

2. The tow hook according to claim 1, characterised in that the first connection part (2) comprises two first extensions (21), the two first extensions (21) being distributed at a distance, one of the two first extensions (21) being located at the bottom of the cross beam (201) for connection to the main part (1) and the other at the top of the cross beam (201) for connection to the top of the cross beam (201).

3. The tow hook according to claim 2, characterised in that the first connection part (2) further comprises a first arch-shaped section (22), which first arch-shaped section (22) is connected between the two first extension sections (21) and is located inside the cross beam (201).

4. Trailer hook according to claim 1, characterised in that the second connection part (3) is configured as a connection section (31) being bent in connection with the body part (1), one end of the connection section (31) being connected to the body part (1) and the peripheral wall of the other end being connected to the inner side of the connection plate (203).

5. Trailer hook according to claim 4, characterised in that the connection section (31) is perpendicular to the main body part (1) and that an arc-shaped transition section (32) is connected between the connection section (31) and the main body part (1).

6. The tow hook according to claim 1, characterised in that the main body part (1) comprises two second extensions (11), both second extensions (11) being adapted to be connected to the cross beam (201), both second extensions (11) being distributed at a distance and the hanging mouth (B) being formed between the two second extensions (11), both second extensions (11) being connected to the first connection part (2) and the second connection part (3), respectively.

7. Trailer hook according to claim 6, wherein the main body part (1) further comprises a second arc-shaped section (12), the second arc-shaped section (12) being connected between two second extensions (11), the two second extensions (11) being spaced apart in parallel and defining together with the second arc-shaped section (12) the hanging interface (B).

8. Trailer hook according to claim 1, wherein the main body part (1), the first connection part (2) and the second connection part (3) all have a circular cross-section.

9. Trailer hook according to claim 8, wherein the cross-sectional area of the main body part (1), the cross-sectional area of the first connection part (2) and the cross-sectional area of the second connection part (3) are the same.

10. A vehicle comprising a frame and a trailer hook as claimed in any one of claims 1 to 9.

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