CN103085615B - Fastening part structure of traction hook of vehicle - Google Patents
Fastening part structure of traction hook of vehicle Download PDFInfo
- Publication number
- CN103085615B CN103085615B CN201210437594.3A CN201210437594A CN103085615B CN 103085615 B CN103085615 B CN 103085615B CN 201210437594 A CN201210437594 A CN 201210437594A CN 103085615 B CN103085615 B CN 103085615B
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- Prior art keywords
- mentioned
- nut
- vehicle
- collision energy
- absorbing case
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- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/24—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions
- B60D1/243—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions for protection in case of crash, collision, impact, or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/48—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting
- B60D1/488—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting mounted directly to the chassis of the towing vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/48—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting
- B60D1/56—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting securing to the vehicle bumper
- B60D1/565—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting securing to the vehicle bumper having an eyelet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
- B60R19/34—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means destroyed upon impact, e.g. one-shot type
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Body Structure For Vehicles (AREA)
- Vibration Dampers (AREA)
Abstract
The present invention provides a fastening part structure of a traction hook of a vehicle. The structure can shorten protrusion length of a nut in an anterior-posterior direction of the vehicle so as to make a fixing part compact, can raise designability of the fixing part, and can absorb load applied to the fixing part from the exterior of the vehicle with a crash energy absorption box. The structure is provided with the nut (10) fixed on an extension part (31) of a fender guard part; and a traction bolt (5) of the traction hook, the traction bolt being assembled on the nut (10) in a screwed manner through the nut (10) and the extension part (31) and capable of performing traction of the vehicle. The nut (10) is provided with a tubular part (11) mounted on the extension part (31) in a manner of extending inwards at the anterior-posterior direction of the vehicle, with a screw part screwed with the traction bolt (5) in the inner edge; and an umbrella-shaped part (12) formed by extending from the periphery of the top end of the tubular part (11), with the back face (12a) of the umbrella-shaped part (12) bonding with a mounting face (31a) of the extension part (31).
Description
Technical field
The present invention relates to the fixing part structure of the traction hook of vehicle, the fixing part structure of the traction hook of vehicle possess be fixed on vehicle car body before wait bumper portion nut and screw with this nut and the draw bolt of the traction hook of the traction of vehicle can be carried out.
Background technology
Usually, the nut of the bumper portion that the traction of vehicle uses and to be fixed on before car body (or below) etc. and the draw bolt of traction hook screwed with this nut, carry out the traction of vehicle by this draw bolt of tractive.
Fig. 6 (A) and (B) illustrate 2 examples of the fixing part structure of the traction hook of existing vehicle.In addition, Fig. 6 (A) and (B) only illustrate the Vehicular body front in the left side from vehicle front viewing.
Fig. 6 (A) is the situation that the fixing part structure of traction hook is configured at the collision energy-absorbing case 52 of vehicle and the front in front bumper portion 53, in the front portion of the longeron 51 of the left and right sides of vehicle, front bumper portion 53 is had in vehicle-width direction erection, in the outboard end in this front bumper portion 53, be equipped with the nut 54 of the cylindrical shape being fixed on collision energy-absorbing case 52.Therefore, nut 54 is configured at the front portion of collision energy-absorbing case 52 with overlapping by the through hole 53a in front bumper portion 53, fixed, be formed with internal thread part 54a at internal perisporium by welded joint coincidence part.On the other hand, draw bolt 55 is installed on nut 54 by the external thread part in its axle portion is combined on the internal thread part 54a of nut 54.Further, being drawn through of vehicle applies the power in F direction (vehicle front) to draw bolt 55 and carries out.
Fig. 6 (B) is the situation that the equipping position of the fixing part structure of traction hook and the collision energy-absorbing case 52 of vehicle configures with staggering, and cylindric nut 54 is fixed on than collision energy-absorbing case 52 position in the inner part at the vehicle-width direction of side in front bumper portion 53.Other formation is same with Fig. 6 (A).
In addition, in patent documentation 1 (JP 2011-No. 168077 publications), same with Fig. 6 (A), bumper portion is set up at vehicle-width direction in the front portion of the longeron of the left and right sides of vehicle, in the end of this bumper portion, be provided with the nut of the cylindrical shape being fixed on collision energy-absorbing case.
prior art document
patent documentation
[patent documentation 1] JP 2011-No. 168077 publications
Summary of the invention
the problem that invention will solve
But the fixing part structure of the existing traction hook shown in Fig. 6 (A) has following problem.
(1) because the cylindrical shape of nut 54, the two ends of cylinder are supported by heavy-gauge sheeting, are fixedly welded on collision energy-absorbing case 52, so the nut 54 of drum needs drum length to a certain degree.Therefore, the fixing part structure of traction hook maximizes, and likely fitting operation is also deteriorated.
(2) when the nut 54 of drum being configured at collision energy-absorbing case 52 anterior, the top of nut 54 is outstanding in the front of collision energy-absorbing case 52.That is, nut 54 increases from the overhang of longeron 51, and load is easy to apply to the fixed position in front bumper portion 52 thus, unfavorable in intensity.
(3) because the top of the nut 54 of drum is given prominence to, so the design of the fixed part of traction hook is easily restricted.Therefore, likely the Design freedom of the fixed part of traction hook reduces.
In addition, in the fixing part structure of the existing traction hook shown in Fig. 6 (B), except the structure of Fig. 6 (A), when the insurance barrier (with reference to Fig. 4) of the 10 ° of degree that usually tilt contacts with nut 54 or its periphery, nut 54 is given prominence to drum as prior art, then collision energy-absorbing case 52 can not absorb the load from outside vehicle effectively.Therefore, as shown in Fig. 6 (B), in front bumper portion 53, when the nut 54 of drum is fixed on than collision energy-absorbing case 52 position in the inner part at the vehicle-width direction of side, when applying load with draw bolt 55 pairs of nuts 54, torsional torque acts on front bumper portion 53 itself, therefore needs the junction surface strengthening collision energy-absorbing case 52 and front bumper portion 53.
The present invention is in view of such present situation completes, its object is to provide the fixing part structure of the traction hook of following vehicle: it makes the fixed part densification of traction hook by shortening outstanding length of the vehicle fore-and-aft direction of nut, and the designability of the fixed part of traction hook is improved, effectively can absorb the load from outside vehicle of the fixed part putting on traction hook with collision energy-absorbing case.
for the scheme of dealing with problems
In order to solve the problem that above-mentioned prior art has, the fixing part structure of the traction hook of vehicle of the present invention possesses: nut, and it is fixed on the bumper portion of car body end; And the draw bolt of traction hook, it screws and is installed on this nut, the traction of vehicle can be carried out, above-mentioned draw bolt is screwed by above-mentioned nut and above-mentioned bumper portion, above-mentioned nut has: cylindrical portion, it is to be installed on above-mentioned bumper portion at vehicle fore-and-aft direction towards the mode that interior side extends, and inner circumferential be formed screw with above-mentioned draw bolt screw portion; And umbrella portion, it stretches out in the top ends periphery of this cylindrical portion and is formed, the attachment face being engaged in above-mentioned bumper portion below in above-mentioned umbrella portion.
In addition, in the present invention, above-mentioned car body end possesses longeron, above-mentioned bumper portion and buffering collision energy-absorbing case and form, above-mentioned collision energy-absorbing case extends along vehicle fore-and-aft direction, be disposed between above-mentioned longeron and above-mentioned bumper portion, above-mentioned bumper portion is engaged in the end of above-mentioned collision energy-absorbing case, through hole is provided with in above-mentioned bumper portion, the above-mentioned cylindrical portion of above-mentioned nut inserts above-mentioned through hole, the above-mentioned umbrella portion of above-mentioned nut is engaged in the end of above-mentioned collision energy-absorbing case by above-mentioned bumper portion, the above-mentioned umbrella portion of above-mentioned nut and the end of above-mentioned collision energy-absorbing case with viewed from front time overlapping mode configure.
And, in the present invention, above-mentioned draw bolt is configured at the vehicle fore-and-aft direction in the axle center by above-mentioned collision energy-absorbing case, and above-mentioned collision energy-absorbing case, when overlapping with the above-mentioned umbrella portion of above-mentioned nut, has multiple edge near above-mentioned draw bolt side compared with the periphery in above-mentioned umbrella portion.
And, in the present invention, the left and right sides of the vehicle-width direction of above-mentioned collision energy-absorbing case are formed as the waveform shape relative to axle center symmetry, the above-mentioned edge of above-mentioned collision energy-absorbing case centered by the axle center of above-mentioned draw bolt up and down etc. being configured with 4 places to orientation, overlapping with the above-mentioned umbrella portion of above-mentioned nut.
In addition, in the present invention, the above-mentioned umbrella portion of above-mentioned nut outside with relative to insurance barrier inner face be formed with the dip plane of certain angular slope in the mode that parallel faces bears, be provided with multiple projection in above-mentioned bumper portion, the above-mentioned umbrella portion of above-mentioned nut is configured between above-mentioned projection.
And in the present invention, the both ends, left and right being engaged in the vehicle-width direction of the above-mentioned bumper portion of above-mentioned collision energy-absorbing case are made up of the bumper portion extension of parts different from above-mentioned bumper portion.
Invention effect
As mentioned above, the fixing part structure of the traction hook of vehicle of the present invention possesses: nut, and it is fixed on the bumper portion of car body end; And the draw bolt of traction hook, it screws and is installed on this nut, the traction of vehicle can be carried out, above-mentioned draw bolt is screwed by above-mentioned nut and above-mentioned bumper portion, above-mentioned nut has: cylindrical portion, it is to be installed on above-mentioned bumper portion at vehicle fore-and-aft direction towards the mode that interior side extends, and inner circumferential be formed screw with above-mentioned draw bolt screw portion; And umbrella portion, it stretches out in the top ends periphery of this cylindrical portion and is formed, the attachment face being engaged in above-mentioned bumper portion below in above-mentioned umbrella portion, so only umbrella portion retention nut can be used, be projected into outside length from the attachment face of bumper portion and be only umbrella portion, with only have outstanding length and the total length that can shorten vehicle fore-and-aft direction compared with the nut of cylindrical portion in the fixing part structure of existing traction hook, the fixed part densification of traction hook can be made, and the restriction designed diminishes, the designability of the fixed part of traction hook can be made to improve.
And, according to the fixing part structure of traction hook of the present invention, when load when the torque produced when draw bolt is installed to nut, vehicle traction acts on nut, the rolling of nut can be suppressed by umbrella portion, draw bolt reliably can be held in nut.
In addition, in the present invention, because above-mentioned car body end possesses longeron, above-mentioned bumper portion and buffering collision energy-absorbing case and form, above-mentioned collision energy-absorbing case extends along vehicle fore-and-aft direction, be configured between above-mentioned longeron and above-mentioned bumper portion, above-mentioned bumper portion is engaged in the end of above-mentioned collision energy-absorbing case, through hole is provided with in above-mentioned bumper portion, the above-mentioned cylindrical portion of above-mentioned nut inserts above-mentioned through hole, the above-mentioned umbrella portion of above-mentioned nut is engaged in the end of above-mentioned collision energy-absorbing case by above-mentioned bumper portion, the above-mentioned umbrella portion of above-mentioned nut and the end of above-mentioned collision energy-absorbing case with viewed from front time overlapping mode configure, so collision energy-absorbing case self can be used as the strengthening part of nut installation, do not need special strengthening part, alleviating of weight can be realized reduce with cost.
And, in the fixing part structure of traction hook of the present invention, when the load applying from outside vehicle is in bumper/spoiler, bumper portion and nut are subject to this load and are delivered to collision energy-absorbing case, but now nut plays the effect of reinforcement, control load transmission and the direct dynamic changes process to collision energy-absorbing case, therefore can carry out load absorption by collision energy-absorbing case effectively.And, being projected into outside from the attachment face of bumper portion is only umbrella portion nut, so with the nut of such as existing drum compared with the outstanding structure of direction of principal axis, further effectively absorb load from outside vehicle by umbrella portion by collision energy-absorbing case.
In addition, in the present invention, because above-mentioned draw bolt is configured at the vehicle fore-and-aft direction in the axle center by above-mentioned collision energy-absorbing case, above-mentioned collision energy-absorbing case is when overlapping with the above-mentioned umbrella portion of above-mentioned nut, multiple edge is had near above-mentioned draw bolt side compared with the periphery in above-mentioned umbrella portion, so the effect of foregoing invention can be promoted, improve the load absorptive character of the fixed part of traction hook.
And, in the present invention, the left and right sides of the vehicle-width direction of above-mentioned collision energy-absorbing case are formed as the waveform shape relative to axle center symmetry, the above-mentioned edge of above-mentioned collision energy-absorbing case up and down etc. is being configured with 4 places to orientation centered by the axle center of above-mentioned draw bolt, overlapping with the above-mentioned umbrella portion of above-mentioned nut, so the effect same with foregoing invention can be obtained, and can reliably retention nut.
And, in the present invention, because the above-mentioned umbrella portion of above-mentioned nut outside with relative to insurance barrier inner face be formed with the dip plane of certain angular slope in the mode that parallel faces bears, multiple projection is provided with in above-mentioned bumper portion, the above-mentioned umbrella portion of above-mentioned nut is configured between above-mentioned projection, so the insurance inner face of barrier contacts with the projection of bumper portion with the outer lateral incline in the umbrella portion of nut simultaneously, the load of insurance barrier can be born in the outside of the Width of collision energy-absorbing case and inner side, nut can not fall down, the load absorptive character of collision energy-absorbing case can be made to improve, and the distortion caused due to the umbrella portion of nut insuring barrier can be prevented.
In addition, in the present invention, because the both ends, left and right being engaged in the vehicle-width direction of the above-mentioned bumper portion of above-mentioned collision energy-absorbing case are made up of the bumper portion extension of parts different from above-mentioned bumper portion, so the position being engaged in collision energy-absorbing case can be set to complicated shape, can guarantee good forming characteristics, and the rigidity that the thickness of slab by increasing bumper portion extension realizes the fixed part of traction hook improves.
Accompanying drawing explanation
Fig. 1 is the overall perspective view of the Vehicular body front of the fixing part structure of the traction hook of the vehicle that application embodiments of the present invention are shown.
Fig. 2 is by the block diagram shown in the amplification of the Z portion of Fig. 1.
Fig. 3 is by the block diagram shown in the decomposition of the fixed part of the traction hook of Fig. 2.
Fig. 4 is A-A line section drawing of Fig. 2.
Fig. 5 is B-B direction view of Fig. 4.
Fig. 6 (A) and (B) are the birds-eye vieies cut the example of the fixing part structure of the traction hook of the vehicle of conventional example open a part and illustrate.
description of reference numerals
1 longeron
2 collision energy-absorbing casees
3 front bumper portions
4 supporting brackets
5 draw bolts
6 insurance barriers
6a inner face
10 nuts
11 cylindrical portion
11a threaded portion
12 umbrella portions
After 12a
12b dip plane
20 edge
30 car bodies
31 bumper portion extensions
31a attachment face
31b projection
32 through holes
33 strengthening parts
41 support portions
T lap
α leaning angle
Detailed description of the invention
Below, the present invention is described in detail based on graphic embodiment.
Fig. 1 ~ Fig. 5 illustrates the fixing part structure of the traction hook of the vehicle of embodiments of the present invention.Fig. 1 is the block diagram of the Vehicular body front of the fixing part structure of application traction hook, and Fig. 2 is the Z portion amplification stereogram of Fig. 1, and Fig. 3 is the exploded perspective view of Fig. 2, and Fig. 4 is A-A line section drawing of Fig. 2, and Fig. 5 is B-B direction view of Fig. 4.
As shown in Fig. 1 ~ Fig. 5, the fixing part structure of the traction hook of the vehicle of embodiments of the present invention is applied to the front portion of car body 30, is respectively equipped with the longeron 1 extended along vehicle fore-and-aft direction in the left and right sides portion of car body 30.Be provided with flat supporting bracket 4 at the leading section of these longerons 1, supporting bracket 4 has flange part 4a around it, is erected to be formed with support portion 41 before this supporting bracket 4, and support portion 41 supports the inner circumferential of collision energy-absorbing case 2 described later for engaging.
In addition, be equipped with the front bumper portion 3 extended along vehicle-width direction in the vehicle front side of the leading section of longeron 1, this front bumper portion 3 is by being flexed into right angle by upper and lower end parts respectively towards rear view of vehicle and forming cross section, U-shaped.And, as shown in Figures 2 and 3, in order to ensure complicated shape forming characteristics and by increase thickness of slab improve rigidity, the both ends, left and right being positioned at the front bumper portion 3 in the front of the supporting bracket 4 of longeron 1 by parts different from front bumper portion 3 and the bumper portion extension 31 of cross section and front bumper portion 3 similar shape form, front bumper portion 3 and bumper portion extension 31 are by welding upper and lower end parts overlappingly from vehicle front side and linking.
The central portion of the bumper portion extension 31 of present embodiment is the plane attachment face 31a caved in than general face, is configured to: the 12a being below bonded to the umbrella portion 12 of nut described later (draw bolt nut) 10 at this attachment face 31a.Therefore, through hole 32 is worn in the central authorities of the attachment face 31a of bumper portion extension 31, the cylindrical portion 11 of nut described later (draw bolt nut) 10 inserts through hole 32, and at upper and lower position, centre is provided with the projection 31b extended at vehicle-width direction across through hole 32.The umbrella portion 12 of nut 10 described later be configured in these projection 31b upper and lower between, the height in projection 31b and umbrella portion 12 is formed as roughly the same size.In addition, at the junction surface of front bumper portion 3 and bumper portion extension 31, the strengthening part 33 in the U-shaped cross section same with these components is bonded to from rear view of vehicle side superimposed.
As shown in Figure 2 to 4, be provided with the buffering collision energy-absorbing case 2 of lengthwise at the leading section of the car body 30 of present embodiment, buffering collision energy-absorbing case 2 forms car body leading section together with longeron 1, front bumper portion 3 and bumper portion extension 31.This collision energy-absorbing case 2 extends along vehicle fore-and-aft direction, the supporting bracket 4 being disposed in longeron 1 above and bumper portion extension 31 after between.Further, bumper portion extension 31 pass behind the leading section that welding etc. is engaged in collision energy-absorbing case 2, the rearward end of collision energy-absorbing case 2 is fixed on the supporting bracket 4 of longeron 1 under the state being supported in support portion 41 engaging.
The collision energy-absorbing case 2 of present embodiment is the buffer component of the load absorbing vehicle fore-and-aft direction, as shown in Fig. 2 ~ Fig. 5, uses the tubular that light sheet Formation cross-section is quadrangle.In addition, collision energy-absorbing case 2 leading section with viewed from front time and the overlapping mode in the umbrella portion 12 of nut described later 10 configure.Therefore, collision energy-absorbing case 2, when overlapping with the umbrella portion 12 of nut 10 described later, has multiple edge 20 near draw bolt 5 side described later compared with the periphery in umbrella portion 12.Namely, the left and right sides of the vehicle-width direction of collision energy-absorbing case 2 are formed as the waveform shape (snake abdomen shape) relative to axle center C symmetry, edge 20 up and down etc. is being configured with 4 places to orientation centered by the axle center of draw bolt 5 described later, has lap t ground overlapping (with reference to Fig. 5) with the umbrella portion 12 of nut 10 described later.
On the other hand, be equipped with nut 10 at the bumper portion extension 31 of position corresponding to the leading section of the collision energy-absorbing case 2 with present embodiment, nut 10 is fixed on before this extension.As shown in Figure 4, this nut 10 comprises: cylindric cylindrical portion 11, it is installed on bumper portion extension 31 in the mode extended towards interior side (longeron 1 side) at vehicle fore-and-aft direction, and is formed with the threaded portion 11a screwed with the draw bolt 5 of traction hook in inner circumferential; And the umbrella portion 12 of ring-type, its leading section in this cylindrical portion 11 (top ends) periphery is stretched out and is formed.Further, under the state that nut 10 is configured at the inside of collision energy-absorbing case 2 cylindrical portion 11 is inserted through hole 32, the 12a being below positioned at the rear view of vehicle side in umbrella portion 12 is engaged in the attachment face 31a of bumper portion extension 31 by welding etc.Therefore, the external diameter of the cylindrical portion 11 of nut 10 is formed as the size roughly the same with the diameter of the through hole 32 of bumper portion extension 31, the external diameter in umbrella portion 12 is larger than the diameter of through hole 32, for the size of attachment face 31a can be arranged between projection 31b, be formed with 12a below in the plane extended to the direction orthogonal with vehicle fore-and-aft direction.The internal diameter in umbrella portion 12 is formed as the size roughly the same with the axle portion external diameter of the draw bolt 5 inserted.In addition, draw bolt 5 configures concentrically at the vehicle fore-and-aft direction of the axle center C by collision energy-absorbing case 2.
Therefore, nut 10 is installed on bumper portion extension 31 and collision energy-absorbing case 2 by attachment face 31a and is kept.Thus, the length of externally giving prominence to from the attachment face 31a of bumper portion extension 31 is only the umbrella portion 12 nut 10, therefore with the nut of such as existing drum compared with the outstanding structure of vehicle fore-and-aft direction, outstanding length shortens, and effectively absorbs load from vehicle front by umbrella portion 12 by collision energy-absorbing case 2.
In addition, as shown in Figure 4, in the outside in the umbrella portion 12 of the nut 10 of present embodiment, to be formed with dip plane 12b relative to the inner face 6a of insurance barrier 6 in the mode that parallel faces bears, the peripheral part of dip plane 12b tilts towards rear view of vehicle side with certain inclined angle alpha.This inclined angle alpha is set as such as 10 degree accordingly with the leaning angle of insurance barrier 6.
Like this, the dip plane 12b in the umbrella portion 12 of nut 10 contacts abreast with the inner face 6a of insurance barrier 6, can prevent from insuring the distortion caused due to the umbrella portion 12 of nut 10 of barrier 6.In addition, insurance barrier 6 contacts with the projection 31b of bumper portion extension 31 with the dip plane 12b in the umbrella portion 12 of nut 10 simultaneously, with inner side bearing load outside the Width of collision energy-absorbing case 2, the load absorptive character of collision energy-absorbing case 2 therefore can be made to improve.
In the fixing part structure of traction hook as constructed as above, as shown in Figure 4, when towing vehicle, make the axle portion of draw bolt 5 enter into the cylindrical portion 11 of nut 10 from vehicle front towards rear, it is screwed into while screw and link with nut 10 in the 11a of threaded portion, in this condition, if apply the power of F direction (vehicle front) to draw bolt 5, then can carry out the traction of vehicle.
Like this, in the fixing part structure of the traction hook of the vehicle of embodiments of the present invention, the nut 10 that the draw bolt 5 of traction hook is linked comprises: the cylindrical portion 11 extended towards interior side at vehicle fore-and-aft direction; Stretch out in the leading section periphery of this cylindrical portion 11 and the umbrella portion 12 formed, therefore the attachment face 31a of the bumper portion extension 31 of bumper portion 3 is projected into outside length and is only umbrella portion 12 in the past, compared with the existing nut being only drum, the outstanding length of vehicle fore-and-aft direction shortens, the fixed part of traction hook can be designed compactly, can design performance be improved.
In addition, in the fixing part structure of the traction hook of present embodiment, the 12a below in the umbrella portion 12 of nut 10 is engaged in the leading section of collision energy-absorbing case 2 by the attachment face 31a of bumper portion extension 31, the umbrella portion 12 of nut 10 and the leading section of collision energy-absorbing case 2 with viewed from the front of vehicle front time overlapping mode configure, therefore the torque when screwing draw bolt 5 for nut 10 effect, during load during towing vehicle, can suppress, the rolling in the umbrella portion 12 of retention nut 10, and strengthening part collision energy-absorbing case 2 self is used as during mounting nuts 10, special strengthening part need not be designed.And, when the load applying dynamic changes process that bumper portion extension 31 and nut 10 are subject in front bumper portion 3 and bumper portion extension 31 from vehicle front side is to collision energy-absorbing case 2 side, nut 10 becomes reinforcement, the transmission of this load and the direct dynamic changes process to collision energy-absorbing case 2 can be controlled, the absorptive character of the load of collision energy-absorbing case 2 can be made to improve.
Above embodiments of the present invention are described, but the invention is not restricted to the embodiment that described, various distortion and change can be carried out based on technological thought of the present invention.
Such as, in the embodiment described, the fixing part structure of traction hook of the present invention is applied to the front portion of car body 30, but also can be applied to the rear bumper portion etc. at the rear portion of car body 30.In addition, in the embodiment described, engage the bumper portion extension 31 of different parts at the both ends, left and right in front bumper portion 3 and form, but the fixing part structure of traction hook of the present invention can be applied to the both ends, left and right in front bumper portion 3 are extended to the equipping position of bumper portion extension 31 and the bumper portion of integration.
Claims (3)
1. a fixing part structure for the traction hook of vehicle, is characterized in that,
Possess: nut, it is fixed on the bumper portion of car body end; And the draw bolt of traction hook, it screws and is installed on this nut, can carry out the traction of vehicle, and above-mentioned draw bolt is screwed by above-mentioned nut and above-mentioned bumper portion,
Above-mentioned nut has: cylindrical portion, and it is to be installed on above-mentioned bumper portion at vehicle fore-and-aft direction towards the mode that interior side extends, and inner circumferential be formed screw with above-mentioned draw bolt screw portion; And umbrella portion, it stretches out in the top ends periphery of this cylindrical portion and is formed,
The attachment face being engaged in above-mentioned bumper portion below in above-mentioned umbrella portion,
Above-mentioned car body end possesses the collision energy-absorbing case of longeron, above-mentioned bumper portion and buffering and forms, above-mentioned collision energy-absorbing case extends along vehicle fore-and-aft direction, be disposed between above-mentioned longeron and above-mentioned bumper portion, above-mentioned bumper portion is engaged in the end of above-mentioned collision energy-absorbing case
Through hole is provided with in above-mentioned bumper portion, the above-mentioned cylindrical portion of above-mentioned nut inserts above-mentioned through hole, the above-mentioned umbrella portion of above-mentioned nut is engaged in the end of above-mentioned collision energy-absorbing case by above-mentioned bumper portion, the above-mentioned umbrella portion of above-mentioned nut and the end of above-mentioned collision energy-absorbing case with viewed from front time overlapping mode configure
Above-mentioned draw bolt is configured at the vehicle fore-and-aft direction in the axle center by above-mentioned collision energy-absorbing case,
Above-mentioned collision energy-absorbing case, when overlapping with the above-mentioned umbrella portion of above-mentioned nut, has multiple edge near above-mentioned draw bolt side compared with the periphery in above-mentioned umbrella portion,
The left and right sides of the vehicle-width direction of above-mentioned collision energy-absorbing case are formed as the waveform shape relative to axle center symmetry, the above-mentioned edge of above-mentioned collision energy-absorbing case centered by the axle center of above-mentioned draw bolt up and down etc. being configured with 4 places to orientation, overlapping with the above-mentioned umbrella portion of above-mentioned nut.
2. the fixing part structure of the traction hook of vehicle according to claim 1, is characterized in that,
The above-mentioned umbrella portion of above-mentioned nut outside with relative to insurance barrier inner face be formed with the dip plane of certain angular slope in the mode that parallel faces bears, be provided with multiple projection in above-mentioned bumper portion, the above-mentioned umbrella portion of above-mentioned nut is configured between above-mentioned projection.
3. the fixing part structure of the traction hook of vehicle according to claim 1, is characterized in that,
The both ends, left and right being engaged in the vehicle-width direction of the above-mentioned bumper portion of above-mentioned collision energy-absorbing case are made up of the bumper portion extension of parts different from above-mentioned bumper portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011244450A JP5861869B2 (en) | 2011-11-08 | 2011-11-08 | Fixing structure of towing hook for vehicle |
| JP2011-244450 | 2011-11-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103085615A CN103085615A (en) | 2013-05-08 |
| CN103085615B true CN103085615B (en) | 2015-04-29 |
Family
ID=48129026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210437594.3A Expired - Fee Related CN103085615B (en) | 2011-11-08 | 2012-11-06 | Fastening part structure of traction hook of vehicle |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5861869B2 (en) |
| CN (1) | CN103085615B (en) |
| DE (1) | DE102012021543B4 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013211794A1 (en) * | 2013-06-21 | 2014-12-24 | Magna International Inc. | Receptacle for a towing vehicle and method of manufacture |
| JP6183693B2 (en) * | 2013-07-08 | 2017-08-23 | スズキ株式会社 | Bumper member nut mounting structure |
| JP6237854B1 (en) * | 2016-10-03 | 2017-11-29 | マツダ株式会社 | Bumper reinforcement structure |
| GB2563594B (en) * | 2017-06-19 | 2020-01-22 | Jaguar Land Rover Ltd | Releasable connector for a vehicle |
| JP2020015376A (en) * | 2018-07-24 | 2020-01-30 | いすゞ自動車株式会社 | Hook fitting structure |
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| CN1607109A (en) * | 2003-10-15 | 2005-04-20 | 本田技研工业株式会社 | Mounting part arrangement of traction pothook |
| DE102004056249A1 (en) * | 2004-11-22 | 2006-05-24 | Suspa Holding Gmbh | Safety device for motor vehicle, has fastening device with two fastening units that are assigned for supporting body and crossbeam, respectively, where crossbeam has assembly opening for retaining units and attaching crossbeam in body |
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| DE102009005757A1 (en) * | 2009-01-23 | 2010-08-12 | Daimler Ag | Crash box for use as deformation element in motor vehicle, for absorbing impact energy during accident, has fastening unit attached to internal space of hollow profile, and fastening bending transverse support to crash box |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2013099999A (en) | 2013-05-23 |
| DE102012021543A1 (en) | 2013-05-08 |
| CN103085615A (en) | 2013-05-08 |
| DE102012021543B4 (en) | 2016-09-01 |
| JP5861869B2 (en) | 2016-02-16 |
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