CN109353175A - The mounting structure of towing hook after a kind of - Google Patents
The mounting structure of towing hook after a kind of Download PDFInfo
- Publication number
- CN109353175A CN109353175A CN201811287118.1A CN201811287118A CN109353175A CN 109353175 A CN109353175 A CN 109353175A CN 201811287118 A CN201811287118 A CN 201811287118A CN 109353175 A CN109353175 A CN 109353175A
- Authority
- CN
- China
- Prior art keywords
- plane
- screwed pipe
- towing hook
- skirtboard
- plug welding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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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
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The present invention relates to bodies of a motor car, more particularly to a kind of mounting structure of rear towing hook, towing hook screwed pipe, the floor side member for passing through rear skirtboard including towing hook ontology, rear skirtboard, rear end and being connect with towing hook body fits, skirtboard reinforcer after being equipped with one in the front surface of skirtboard afterwards, skirtboard reinforcer and floor side member are cooperatively connected afterwards, and screwed pipe installation upper plate and screwed pipe installation lower plate are welded in floor side member cavity；Screwed pipe, which installs upper plate, has plane and a right plane on one, and screwed pipe, which installs lower plate, has a left plane and a lower plane；Upper plane, right plane, left plane and lower plane form " mouth " font cavity；Towing hook screwed pipe front end is located in " mouth " font cavity, and upper part and right part and screwed pipe installation upper plate are welded, and left part and lower part and screwed pipe install lower plate welding.The present invention can improve traction device and install the intensity at the position of traction device, solve the problems, such as that the intensity of traction device is unsatisfactory for national legislation requirement.
Description
Technical field
The present invention relates to bodies of a motor car, and in particular to the mounting structure of towing hook after a kind of.
Background technique
Traction device is installed on the body of a car, can connect other automobiles or connection power source by traction device, real
It now draws other automobiles or is drawn by power source, traction device is the important component of body of a motor car, is vehicle in predicament
In the key mechanism left by external force.
It is generally connected on traction device, realizes vehicle traction or is drawn using devices such as tow strap, towing cable or drawbars,
Therefore there is higher intensity requirement at the position for installing traction device on traction device and vehicle body.
The existing mandatory rules of law of country define the intensity scale of traction device and its fixing piece under specified operating condition from 2016
It is quasi-, it is desirable that traction device under 0.5 times of full load condition, horizontal plane straight pull and vertical compression operating condition, horizontal plane ± 25 ° oblique pull barocline operating condition,
Oblique pull barocline traction device and its fixing piece in operating condition in vertical plane ± 5 ° should not fail, be broken or have an impact normal use
Deformation.
Passenger car traction device is often tightened or is welded with screw thread two kinds of mounting means and connect with car body component at present.Towing hook is
The main component of traction device, existing traction device is commonly present towing hook intensity deficiency or weld seam, solder joint arrange unreasonable ask
Topic, the intensity for leading to traction device and installing the vehicle body of traction device are unsatisfactory for national legislation requirement, influence vehicle Time To Market,
Even go wrong when users use.
CN105034724A discloses a kind of Automotive Drawbar traction device, including towing hook ontology, towing hook sleeve, rear guarantor's cross
Beam, towing hook stiffening plate, energy-absorption box, sleeve mounting bracket, front mounting plate, rear wall outer plate and rear mounting plate, the rear portion of towing hook ontology
It is threadedly connected in towing hook sleeve, towing hook sleeve front is fixedly connected on towing hook stiffening plate, after towing hook stiffening plate is fixedly connected on
Crossbeam is protected, towing hook sleeve rear portion is fixedly connected on sleeve mounting bracket, and sleeve mounting bracket is fixedly installed in energy-absorption box, energy-absorbing
The rear end of box is fixedly connected on front mounting plate, and front mounting plate, rear wall outer plate and rear mounting plate are fixed together, rear mounting plate
It is fixedly connected on the stringer of automobile.Automotive Drawbar traction device provided by the invention is mentioned using the structure of sleeve mounting bracket
The high fastness of installation, has the particular advantages such as manufacturing cost is low, easy to connect, force transfer capacity is strong, is easily installed and safeguards.
But it is unobvious to the strength enhancing of towing hook sleeve and its installation position.
Summary of the invention
The object of the present invention is to provide a kind of mounting structures of rear towing hook, to improve traction device and install traction device
The intensity at position solves the problems, such as that the intensity of traction device is unsatisfactory for national legislation requirement.
To realize the above-mentioned technical purpose, the scheme that the present invention uses is as follows:
The mounting structure of towing hook after a kind of passes through rear skirtboard including towing hook ontology, the rear skirtboard being mounted on vehicle body, rear end
And the towing hook screwed pipe being connect with towing hook body fits, the floor side member being mounted on vehicle body, it is described after skirtboard front surface on pacify
Equipped with skirtboard reinforcer after one, it is described after the rear end of skirtboard reinforcer and floor side member be cooperatively connected, in the floor side member cavity
It is welded with screwed pipe installation upper plate and screwed pipe installation lower plate；The screwed pipe installation upper plate has plane and a right side on one
Plane, the screwed pipe installation lower plate have a left plane and a lower plane；The screwed pipe installation upper plate and screwed pipe installation
Lower plate welding, the upper plane, right plane, left plane and lower plane form " mouth " font cavity；Towing hook screwed pipe front end
In " mouth " font cavity, upper part and right part and screwed pipe installation upper plate are welded, under left part and lower part and screwed pipe installation
Plate welding.
Plug welding hole on two is offered in the upper plane of the screwed pipe installation upper plate, the upper plane extends to form branch to the left
Ear offers first positioning hole and second location hole on the trunnion；It is offered in the right plane of the screwed pipe installation upper plate
Two right plug welding holes；The lower edge of the right plane is equipped with the first right flange, and the first right flange is equipped with third location hole；Institute
Stating screwed pipe installation upper plate also has a frontal plane, and the left edge of the frontal plane is equipped with preceding flange, and the upper plane and the right side are flat
The back edge in face is equipped with rear flange.
Two left plug welding holes are offered in the left plane of the screwed pipe installation lower plate, the top edge of the left plane is prolonged to the left
It stretches to form stationary plane, the 4th location hole being correspondingly arranged with first positioning hole is offered on the stationary plane；The screwed pipe peace
It loads and offers two lower plug welding holes on the lower plane of plate, the right hand edge of the lower plane is downwardly extending supporting surface, the branch
The lower edge in support face is equipped with the second right flange, and the 5th that arrangement corresponding with third location hole is offered on the second right flange is fixed
Position hole.
The trunnion, stationary plane, floor side member three welding, the first right flange, the second right flange, floor side member three weldering
It connects, the preceding flanging welded is on floor side member, and the rear flanging welded is on rear skirtboard reinforcer.
The two upper plug welding holes form a line from front to back, and the two right plug welding holes form a line from front to back, described in two
Left plug welding hole forms a line from front to back, and the two lower plug welding holes form a line from front to back.
The upper plug welding hole, right plug welding hole, left plug welding hole, lower plug welding hole uniformly divide along the axial line of the towing hook screwed pipe
Cloth, and be the identical waist-shaped hole of size.
The supporting surface is equipped with reinforcing rib from top to bottom.
Skirtboard reinforcer is plate after described, and opens up the 6th positioning there are two bolt mounting holes, two for welding
Hole and a screwed pipe via hole.
The beneficial effects of the invention are as follows improve traction device and install traction device position intensity, under each operating condition
Be all satisfied state compulsion laws and regulations requirement, be embodied in the following aspects: (1) due to the present invention with screwed pipe upper mounting plate and
" mouth " the font cavity that screwed pipe lower installation board is formed coats towing hook screwed pipe, and is connected by the way of plug welding in four direction
It connects, forms an assembly, which mutually supports, by force due to being welded in cavity type structure and in many places between structure
Degree is high, and non-deformability is strong；(2) it is fixed due to towing hook screwed pipe in the position of eight plug welding holes, and eight plug welding hole edges
Four direction is uniformly distributed, uniform force on towing hook screwed pipe, prevents torque caused by weld seam biasing reasons from increasing, resistance to deformation energy
Power is strong；(3) it due to being welded with rear skirtboard reinforcer and with floor side member, screwed pipe upper mounting plate, screwed pipe lower installation board and drags
The assembly that hook screwed pipe is formed also is welded with rear skirtboard reinforcer, floor side member, greatly enhances the structural strength at this position.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention (rear side)；
Fig. 2 is overall structure diagram of the invention (front side)；
Fig. 3 is the structural schematic diagram of screwed pipe installation upper plate of the invention；
Fig. 4 is the structural schematic diagram of screwed pipe installation lower plate of the invention；
Fig. 5 is the structural schematic diagram of rear skirtboard reinforcer of the invention；
Fig. 6 is the local scheme of installation of rear towing hook screwed pipe of the invention；
Fig. 7 is the connection schematic diagram of floor side member and rear skirtboard reinforcer of the invention；
The Impact direction schematic diagram of towing hook ontology when Fig. 8 is test.
In figure: 1- towing hook ontology, 2- towing hook screwed pipe, skirtboard after 3-, skirtboard reinforcer after 4-, the first bolt hole of 41-,
The 6th location hole of 42-, 43- screwed pipe via hole, 5- screwed pipe installation upper plate, the upper plane of 51-, the right plane of 52-, 53- frontal plane,
54- trunnion, the right flange of 55- first, flange before 56-, flange after 57-, the upper plug welding hole of 511-, the right plug welding hole of 521-, 541- first
Location hole, 542- second location hole, 551- third location hole, 6- screwed pipe install lower plate, 61- left plane, 62- lower plane, 63-
Stationary plane, 64- supporting surface, the right flange of 65- second, the left plug welding hole of 611-, plug welding hole under 621-, the 4th location hole of 631-, 651-
5th location hole, 7- floor side member.
Specific embodiment
In order to make those skilled in the art that the present invention may be better understood, with reference to the accompanying drawings and examples to this hair
Bright technical solution further illustrates.
The invention will be further described with reference to the accompanying drawings of the specification.It should be understood that tool described herein
Body embodiment is merely to illustrate and explain the present invention, and is not intended to limit the scope of the present invention..
Referring to Fig. 1 and Fig. 2, a kind of mounting structure of rear towing hook, including towing hook ontology 1, the rear skirtboard being mounted on vehicle body
3, rear end passes through rear skirtboard 3 and the towing hook screwed pipe 2 being cooperatively connected with towing hook ontology 1, the floor side member 7 being mounted on vehicle body, institute
Skirtboard reinforcer 4 after being equipped with one in the front surface of rear skirtboard 3 is stated, the rear end of skirtboard reinforcer 4 and floor side member 7 afterwards is matched
Connection is closed, screwed pipe installation upper plate 5 and screwed pipe installation lower plate 6 are welded in 7 cavity of floor side member.
Screwed pipe installs the structure of upper plate 5 as shown in figure 3, having plane 51, a right plane 52 and a frontal plane 53 on one；
Offer plug welding hole 511 on two in the upper plane 51, the upper plane 51 extends to form trunnion 54 to the left, on the trunnion 54
Offer first positioning hole 541 and second location hole 542；Two right plug welding holes 521 are offered in the right plane 52；It is described right flat
The lower edge in face 52 is equipped with the first right flange 55, and the first right flange 55 is equipped with third location hole 551；The frontal plane 53
Left edge be equipped with preceding flange 56, the back edge of the upper plane 51 and right plane 52 is equipped with rear flange 57.
Screwed pipe installs the structure of lower plate 6 as shown in figure 4, having a left plane 61 and a lower plane 62；The left plane
Two left plug welding holes 611 are offered on 61, the top edge of the left plane 61 extends to form stationary plane 63, the stationary plane 63 to the left
On offer the 4th location hole 631 being correspondingly arranged with first positioning hole 541；Two lower plug welding holes are offered on the lower plane 62
621, the right hand edge of the lower plane 62 is downwardly extending supporting surface 64, and the lower edge of the supporting surface 64 is equipped with second right side and turns over
Side 65 offers the 5th location hole 651 of arrangement corresponding with third location hole 551 on the second right flange 65.The support
Face 64 is equipped with reinforcing rib from top to bottom.
As shown in Fig. 2, Fig. 6, the screwed pipe installation upper plate 5 and screwed pipe installation lower plate 6 are welded, the upper plane 51,
Right plane 52, left plane 61 and lower plane 62 form " mouth " font cavity.2 front end of towing hook screwed pipe is located at " mouth " font chamber
In body, that is, the top of 2 front end of towing hook screwed pipe and upper plane 51 are tight against right part and right plane 52 are tight against left part and a left side are flat
Face 61 is tight against lower part and lower plane 62 are tight against the towing hook screwed pipe 2 passes through upper plug welding hole 511 and right plug welding hole 521 and screw thread
Pipe is installed upper plate 5 and is welded, and installs lower plate 6 by left plug welding hole 611 and lower plug welding hole 621 and screwed pipe and welds.
Screwed pipe installation upper plate, screwed pipe install the mounting means of lower plate as shown in Fig. 2, Fig. 7, and the trunnion 54 is fixed
Face 63,7 three of floor side member welding, the first right flange 55, the second right flange 65,7 three of floor side member welding, the preceding flange
56 are welded on floor side member 7, and the rear flange 57 is welded on rear skirtboard reinforcer 4.
The two upper plug welding holes 511 form a line from front to back, and the two right plug welding holes 521 form a line from front to back,
The two left plug welding holes 611 form a line from front to back, and the two lower plug welding holes 621 form a line from front to back.Eight plug weldings
Hole guarantees its fastness along the fixed towing hook screwed pipe 2 of four direction.
The upper plug welding hole 511, right plug welding hole 521, left plug welding hole 611, lower plug welding hole 621 are along the towing hook screwed pipe 2
Axial line be uniformly distributed, and be the identical waist-shaped hole of size, guarantee the uniform stress of towing hook screwed pipe 2, prevent weld seam inclined
Set the increase of torque caused by reason.
As shown in figure 5, skirtboard reinforcer 4 is plate after described, and open up there are two bolt mounting holes 41, two for welding
The 6th location hole 42 connect and a screwed pipe via hole 43.
1 rear portion of towing hook ontology is equipped with oval ring end, and 1 front threads of towing hook ontology are connected to the towing hook
In screwed pipe 2, the towing hook screwed pipe 2 pass through rear skirtboard 3 and rear skirtboard reinforcer 4 and with rear 3 solder design of skirtboard.
" mouth " the font cavity that present invention screwed pipe upper mounting plate 5 and screwed pipe lower installation board 6 are formed is by towing hook screw thread
Pipe 2 coats, and is connected by the way of plug welding in four direction, forms an assembly, this assembly is fixed on rear skirtboard and is added
On strong part 4 and floor side member 7, it ensure that towing hook screwed pipe 2 is firmly fixed.The assembly is due in cavity type structure and in many places
It is welded, is mutually supported between structure, intensity is high, and non-deformability is strong.Since towing hook screwed pipe 2 is in the position of eight plug welding holes
It sets and is fixed, also with rear 3 solder design of skirtboard, uniform force on towing hook screwed pipe 2, the mechanical strength of towing hook screwed pipe 2 is good, resists
Deformability is strong.
It welds invention increases rear skirtboard reinforcer 4 and with floor side member 7, is installed under screwed pipe upper mounting plate 5, screwed pipe
The assembly that plate 6 and towing hook screwed pipe 2 are formed also is welded with rear skirtboard reinforcer 4, floor side member 7, greatly enhances this position
Structural strength.
In addition, the present invention has many places cavity structure, it is light-weight.
In order to guarantee actual effect of the invention, the present invention is tried out in a certain vehicle, and carried out analysis of experiments.Examination
The load tested is 0.5 times fully loaded, is tested under ten kinds of operating conditions, the side of vertical 5 ° He 25 ° of level is indicated in Fig. 8
To the Impact direction of other each operating conditions corresponds.It verifies and analyzes through CAE, the stress and criterion of acceptability under each operating condition are such as
Following table:
According to the above result shows that, in the present invention, under each operating condition, rear skirtboard, floor side member, screwed pipe upper mounting plate and
The suffered maximum stress of screwed pipe lower installation board is all satisfied state compulsion laws and regulations requirement.
Claims (8)
1. the mounting structure of towing hook after a kind of, after being passed through including towing hook ontology (1), the rear skirtboard (3) being mounted on vehicle body, rear end
Skirtboard (3) and the towing hook screwed pipe (2) being cooperatively connected with towing hook ontology (1), the floor side member (7) being mounted on vehicle body, feature
Be: skirtboard reinforcer (4) after being equipped with one in the front surface of skirtboard (3) after described, the rear skirtboard reinforcer (4) are indulged with rear
The rear end of beam (7) is cooperatively connected, and screwed pipe installation upper plate (5) and a screwed pipe are welded in floor side member (7) cavity
It installs lower plate (6)；Screwed pipe installation upper plate (5) has plane (51) and a right plane (52) on one, the screwed pipe peace
Plate (6) are loaded with a left plane (61) and a lower plane (62)；Screwed pipe installation upper plate (5) and screwed pipe install lower plate
(6) it welds, the upper plane (51), right plane (52), left plane (61) and lower plane (62) form " mouth " font cavity；It is described
Towing hook screwed pipe (2) front end is located in " mouth " font cavity, and upper part and right part and screwed pipe installation upper plate (5) are welded, left part
With lower part and screwed pipe installation lower plate (6) welding.
2. the mounting structure of towing hook after according to claim 1, it is characterised in that: screwed pipe installation upper plate (5)
It is offered plug welding hole on two (511) on upper plane (51), the upper plane (51) extends to form trunnion (54), the trunnion to the left
(54) first positioning hole (541) and second location hole (542) are offered on；The right plane of screwed pipe installation upper plate (5)
(52) two right plug welding holes (521) are offered on；The lower edge of the right plane (52) be equipped with the first right flange (55), described first
Right flange (55) is equipped with third location hole (551)；Screwed pipe installation upper plate (5) also has a frontal plane (53), described
The left edge of frontal plane (53) is equipped with preceding flange (56), and the back edge of the upper plane (51) and right plane (52) is equipped with rear flange
(57)。
3. the mounting structure of towing hook after according to claim 2, it is characterised in that: screwed pipe installation lower plate (6)
Two left plug welding holes (611) are offered in left plane (61), the top edge of the left plane (61) extends to form stationary plane to the left
(63), the 4th location hole (631) being correspondingly arranged with first positioning hole (541) is offered on the stationary plane (63)；The spiral shell
Two lower plug welding hole (621) are offered on the lower plane (62) of line pipe installation lower plate (6), the right hand edge of the lower plane (62) is downward
It extends to form supporting surface (64), the lower edge of the supporting surface (64) is equipped with the second right flange (65), the second right flange
(65) the 5th location hole (651) of arrangement corresponding with third location hole (551) is offered on.
4. it is according to claim 3 after towing hook mounting structure, it is characterised in that: the trunnion (54), stationary plane (63),
Floor side member (7) three welding, the first right flange (55), the second right flange (65), floor side member (7) three welding, before described
Flange (56) is welded on floor side member (7), and the rear flange (57) is welded on rear skirtboard reinforcer (4).
5. it is according to claim 3 or 4 after towing hook mounting structure, it is characterised in that: the two upper plug welding holes (511) by
Form a line front to back, the two right plug welding holes (521) form a line from front to back, the two left plug welding holes (611) by it is preceding extremely
After form a line, the two lower plug welding holes (621) form a line from front to back.
6. the mounting structure of towing hook after according to claim 5, it is characterised in that: the upper plug welding hole (511), right plug welding
Hole (521), left plug welding hole (611), lower plug welding hole (621) are uniformly distributed along the axial line of the towing hook screwed pipe (2), and are
The identical waist-shaped hole of size.
7. the mounting structure of rear towing hook according to claim 3 or 4 or 6, it is characterised in that: set on the supporting surface (64)
There is reinforcing rib from top to bottom.
8. the mounting structure of rear towing hook described according to claim 1 or 2 or 3 or 4 or 6, it is characterised in that: skirtboard adds after described
Strong part (4) is plate, and opens up that there are two bolt mounting holes (41), two the 6th location holes (42) and a spiral shell for welding
Line pipe via hole (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287118.1A CN109353175A (en) | 2018-10-31 | 2018-10-31 | The mounting structure of towing hook after a kind of |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287118.1A CN109353175A (en) | 2018-10-31 | 2018-10-31 | The mounting structure of towing hook after a kind of |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109353175A true CN109353175A (en) | 2019-02-19 |
Family
ID=65347580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811287118.1A Pending CN109353175A (en) | 2018-10-31 | 2018-10-31 | The mounting structure of towing hook after a kind of |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109353175A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100802739B1 (en) * | 2006-12-08 | 2008-02-12 | 현대자동차주식회사 | Mounting structure of pipe nut for assembling towing hook |
| DE202007018727U1 (en) * | 2007-12-18 | 2009-04-09 | Ise Automotive Gmbh | Towing socket unit |
| CN201872554U (en) * | 2010-12-08 | 2011-06-22 | 上海同捷科技股份有限公司 | Vehicle rear tow hook fixing device |
| US20110285107A1 (en) * | 2010-05-18 | 2011-11-24 | Ladzinski Kenneth J | Break away tow hook |
| CN207374046U (en) * | 2017-06-15 | 2018-05-18 | 华晨汽车集团控股有限公司 | A kind of trailer hook support assembly |
-
2018
- 2018-10-31 CN CN201811287118.1A patent/CN109353175A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100802739B1 (en) * | 2006-12-08 | 2008-02-12 | 현대자동차주식회사 | Mounting structure of pipe nut for assembling towing hook |
| DE202007018727U1 (en) * | 2007-12-18 | 2009-04-09 | Ise Automotive Gmbh | Towing socket unit |
| US20110285107A1 (en) * | 2010-05-18 | 2011-11-24 | Ladzinski Kenneth J | Break away tow hook |
| CN201872554U (en) * | 2010-12-08 | 2011-06-22 | 上海同捷科技股份有限公司 | Vehicle rear tow hook fixing device |
| CN207374046U (en) * | 2017-06-15 | 2018-05-18 | 华晨汽车集团控股有限公司 | A kind of trailer hook support assembly |
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Application publication date: 20190219 |