CN208164685U - Trailer hook assembly and vehicle with it - Google Patents
Trailer hook assembly and vehicle with it Download PDFInfo
- Publication number
- CN208164685U CN208164685U CN201820564811.8U CN201820564811U CN208164685U CN 208164685 U CN208164685 U CN 208164685U CN 201820564811 U CN201820564811 U CN 201820564811U CN 208164685 U CN208164685 U CN 208164685U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- elastic element
- car puller
- hook
- hook assembly
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of trailer hook assembly and with its vehicle.The trailer hook assembly includes：Car puller hook；Sleeve, sleeve is suitable for being fixed on vehicle body, and sleeve includes：Sleeve peripheral wall and sleeve end wall, the sleeve end wall cover one end of the sleeve peripheral wall, are provided in the sleeve end wall and protrude into hole for what the car puller hook protruded into, and form radial clearance between the internal diameter for protruding into hole and the outer diameter of the car puller hook；Can axial deformation elastic element, the elastic element is set between the sleeve peripheral wall and the car puller hook, and one end of the elastic element is resisted against the inner wall of the sleeve end wall, and fastener is provided on the car puller hook, the fastener is resisted against on the other end of the elastic element.Trailer hook assembly according to the present utility model can reduce front and back active force and turn to influence of the tangential force to car puller hook, be conducive to the fatigue endurance performance for improving car puller hook and installation point by setting elastic element and radial clearance.
Description
Technical field
The utility model relates to automotive fields, in particular to a kind of trailer hook assembly and with its vehicle.
Background technique
Car puller hook is to encounter when failure wants help in vehicle for pulling the device of vehicle.Currently most of car puller hooks are
It is directly connected through a screw thread and is mounted on vehicle body, in use, car puller hook will receive the alternating force and vehicle that front and back stretches
Tangential force in steering procedure.Spring is had inside existing car puller hook, along axial alternating load when buffering trailer, but
It is that spring can only alleviate impact of the front and back active force to car puller hook and bracket, and in Ackermann steer angle, spring can not be buffered effectively
Impulse force.
Utility model content
The utility model is intended to solve one of above-mentioned technical problem in the prior art at least to a certain extent.For this purpose,
The utility model proposes a kind of trailer hook assembly, it can reduce front and back active force and turn to influence of the tangential force to car puller hook.
The utility model also proposed a kind of vehicle with above-mentioned trailer hook assembly.
Include according to the trailer hook assembly of the utility model embodiment：Car puller hook；Sleeve, the sleeve are suitable for being fixed on vehicle
With, and the sleeve includes：Sleeve peripheral wall and sleeve end wall, the sleeve end wall cover one end of the sleeve peripheral wall, institute
It states to be provided in sleeve end wall and protrudes into hole for what the car puller hook protruded into, and the internal diameter for protruding into hole and the car puller hook is outer
Radial clearance is formed between diameter；Can axial deformation elastic element, the elastic element be set in the sleeve peripheral wall with it is described
Between car puller hook, and one end of the elastic element is resisted against on the inner wall of the sleeve end wall, is arranged on the car puller hook
There is fastener, the fastener is resisted against on the other end of the elastic element.
It can reduce according to the trailer hook assembly of the utility model embodiment by setting elastic element and radial clearance
The influence of front and back active force and steering tangential force to car puller hook, is conducive to the fatigue endurance performance for improving car puller hook and installation point.
Some embodiments according to the present utility model, the radial clearance are not less than 3mm.
Further, the outer diameter of the elastic element is greater than the internal diameter for protruding into hole and is less than or equal to the sleeve week
The internal diameter of wall.
Some embodiments according to the present utility model have multiple annular grooves on the outer peripheral surface of the elastic element.
Further, multiple annular grooves are along described axially spaced.
Specifically, the car puller hook includes：Hook portion and bar portion, the bar portion, which is worn, described protrudes into hole and the elasticity member
Part, and external screw thread is provided on the outer peripheral surface of the bar portion, the fastener is nut, and the nut is spirally connected with the bar portion matches
It closes.
Further, the trailer hook assembly further includes：Gasket, the gasket cover in the bar portion and are arranged described
Between nut and the elastic element.
Further, the outer diameter of the gasket is greater than the outer diameter of the nut and is less than or equal to the interior of the sleeve peripheral wall
Diameter.
Optionally, the elastic element is rubber bushing.
According to the vehicle of the utility model another aspect embodiment, including above-mentioned trailer hook assembly.
Detailed description of the invention
Fig. 1 is the assembly diagrammatic cross-section of trailer hook assembly and vehicle body；
Fig. 2 is the partial enlargement diagram in Fig. 1 at A；
Fig. 3 is the assembling schematic diagram of sleeve, elastic element and vehicle body；
Fig. 4 is the assembly stereoscopic schematic diagram of trailer hook assembly and vehicle body.
Appended drawing reference：
Trailer hook assembly 10, hook portion 11, bar portion 12, sleeve 2, sleeve peripheral wall 21, sleeve end wall 22, protrudes into hole at car puller hook 1
23, radial clearance 24, elastic element 3, annular groove 31, fastener 4, gasket 5, vehicle body 20.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
It is connected directly, the mutual of connection inside two elements or two elements can also be can be indirectly connected through an intermediary
Interactively.For the ordinary skill in the art, it can understand that above-mentioned term is practical new at this as the case may be
Concrete meaning in type.
Below with reference to Fig. 1-Fig. 4 detailed description according to the trailer hook assembly 10 of the utility model embodiment.
Referring to Fig.1, shown in Fig. 4, may include according to the trailer hook assembly 10 of the utility model embodiment：Car puller hook 1, set
Cylinder 2 and elastic element 3.
In conjunction with shown in Fig. 2-Fig. 3, sleeve 2 is suitable for being fixed on vehicle body 20, and sleeve 2 may include sleeve peripheral wall 21 and set
Cylinder end wall 22, sleeve end wall 22 cover one end (towards one end of vehicle outside) of sleeve peripheral wall 21, are arranged in sleeve end wall 22
Hole 23 is protruded into, hole 23 is protruded into and is protruded into for car puller hook 1, in other words, car puller hook 1 is extended partially into this and protrudes into hole 23, so as to
In realizing being indirectly connected with for car puller hook 1 and vehicle body 20.
In a particular embodiment, vehicle body 20 can be the front beam or rear cross beam of vehicle, the axis direction and crossbeam of sleeve 2
Extending direction it is perpendicular, that is to say, that the axis direction of sleeve 2 and the front-rear direction of vehicle are consistent, in this way, use trailer
When rope pulls car puller hook, vehicle is by forward tractive force, so as to easily drag vehicle.
Further, formation radial clearance 24 between the internal diameter in hole 23 and the outer diameter of car puller hook 1 is protruded into, that is, protrudes into hole 23
Diameter of bore is greater than car puller hook 1 and cooperates in the outside diameter for protruding into bar portion in hole 23.Using dragging in this way under Vehicular turn operating condition
When hitch 1, under the tractive force of trailer rope, car puller hook 1 will receive the active force of tangential direction, while the installation of car puller hook 1
Point position will receive the reaction force of tangential force, by protruding into setting radial clearance 24, Ke Yihuan between hole 23 and car puller hook 1
The tangential force that car puller hook 1 is subject in steering procedure is rushed, to mitigate the deformation of car puller hook 1, prevent car puller hook 1 and protrude into hole 23
Matching part stress concentrate, while be also beneficial to mitigate 1 installation point position of car puller hook deformation.
In other words, it when tangential force when car puller hook 1 by vehicle turning, protrudes between the radial direction between hole 23 and car puller hook 1
Gap 24 allows car puller hook 1 to have certain deflection, to play the role of buffering deformation.
It should be pointed out that radial clearance 24 described in the utility model refers to unilateral radial clearance, that is, stretch
Enter the half of the difference of the internal diameter in hole 23 and the outer diameter of car puller hook 1.
Elastic element 3 has certain elasticity, and when by axial compression power, axial deformation can occur for elastic element 3.
Certainly, when by radial compression power, radial deformation can also occur for elastic element 3.Elastic element 3 is set in sleeve peripheral wall 21
Between car puller hook 1, and one end of elastic element 3 is resisted against on the inner wall of sleeve end wall 22, and fastening is provided on car puller hook 1
Part 4, fastener 4 are resisted against on the other end of elastic element 3.
As shown in Figure 1, sleeve end wall 22 covers the right end of sleeve peripheral wall 21, the left end of sleeve peripheral wall 21 is opened wide, elasticity member
For the right end of part 3 against the left side of sleeve end wall 22, car puller hook 1 wears elastic element 3 from right to left, and fastener 4, which is fixed on, to be dragged
One end of the element of elasticity of extension to the left 3 of hitch 1, car puller hook 1 and fastener 4 are relatively fixed, and car puller hook 1 is whole with fastener 4
Body can be moved along the axis of sleeve 2.By the way that fastener 4 is arranged, car puller hook 1 and sleeve 2 can be indirectly connected with together, it is also just real
Being indirectly connected with for car puller hook 1 and vehicle body 20 is showed.
In terms of comprehensive, when car puller hook 1 is by front and back active force, flexible deformation can occur for elastic element 3, to absorb one
Part front and back active force slows down impact of the front and back active force to car puller hook 1 and vehicle body 20, is conducive to play buffer function
Promote the NVH performance of vehicle.Meanwhile elastic element 3 can also bear certain steering tangential force, that is to say, that elastic element 3
It can bear radial and axial load.
Described front and back active force in the utility model refers to during vehicle advances along vehicle alternation in the front-back direction
Power.
According to the trailer hook assembly 10 of the utility model embodiment, by the way that elastic element 3 is arranged, before vehicle being buffered in
The front and back active force being subject into car puller hook 1 in the process can buffer car puller hook when the vehicle is turning by the way that radial clearance 24 is arranged
Thus 1 steering force being subject to is conducive to improve and drag to reduce front and back active force and turn to influence of the tangential force to car puller hook 1
The fatigue endurance performance of hitch 1 and installation point.
Preferably, radial clearance 24 is not less than 3mm, such as in some embodiments, radial clearance 24 can be 5mm.
Further, as shown in Figure 1, the outer diameter of elastic element 3, which is greater than, protrudes into the internal diameter in hole 23, sleeve end wall 22 as a result,
Backstop position-limiting action can be played to elastic element 3, prevent elastic element 3 from taking off on the right side of sleeve 2 when being squeezed by fastener 4
Out, in addition, the outer diameter of elastic element 3 is less than or equal to the internal diameter of sleeve peripheral wall 21, to guarantee that elastic element 3 may be mounted at set
In cylinder peripheral wall 21.
Referring to Fig.1, shown in Fig. 3, there are multiple annular grooves 31 on the outer peripheral surface of elastic element 3.Annular groove 31 and set
Space between cylinder peripheral wall 21 is that the deformation of elastic element 3 leaves leeway.When car puller hook 1 is stretched, fastener 4 squeezes bullet
Property element 3, make elastic element 3 occur flexible deformation, the material of elastic element 3 is just between annular groove 31 and sleeve peripheral wall 21
Spatial flow, to guarantee that elastic element 3 can be deformed smoothly to buffer suffered extruding force.
Further, thus multiple annular grooves 31 can guarantee that elastic element 3 becomes along the axially spaced of elastic element 3
Shape is uniform.In the specific example of Fig. 1, Fig. 3, the quantity of annular groove 31 is two, and two annular grooves 31 are along elastic member
The axis direction of part 3 is spaced apart.
Shown in referring to Fig.1, car puller hook 1 may include hook portion 11 and bar portion 12, and trailer rope is suitable for connecting with hook portion 11, bar
Portion 12 is suitable for connecting with vehicle body 20.Specifically, bar portion 12, which is worn, protrudes into hole 23 and elastic element 3, and the outer peripheral surface of bar portion 12
On be provided with external screw thread, fastener 4 is nut, nut and 12 threaded of bar portion.
Further, trailer hook assembly 10 can also include gasket 5,5 sets of gasket over stem 12 and setting in nut and
Between elastic element 3.By the way that gasket 5 is arranged, fastener 4 can be made to scatter the extruding force of elastic element 3, to prevent elasticity
Element 3 is crushed, and is conducive to the service life for promoting elastic element 3.
When trailer, trailer rope pulls hook portion 11, and hook portion 11 drives bar portion 12, and bar portion 12 drives vehicle body 20 to transport forward again
It is dynamic, to realize that trailer operates.In the process, 4 extruding pad 5 of fastener, gasket 5 squeeze elastic element 3, make elastic element
3 occur axial elastic deformation, with buffering a part front and back active force；It when the vehicle is turning, can due to the presence of radial clearance 24
It collides to avoid the bar portion 12 of car puller hook 1 with hole 23 is protruded into, while elastomeric radial can occur for elastic element 3, with
Buffering a part turns to tangential force.
Further, the outer diameter of gasket 5 is greater than the outer diameter of nut and is less than or equal to the internal diameter of sleeve peripheral wall 21.Such as Fig. 1
Shown, gasket 5 and the contact area of elastic element 3 are larger, it is possible thereby to which extruding force of the fastener 4 to elastic element 3 is uniform
It is applied to the left end of elastic element 3.
In the description of the present invention, it should be understood that term "front", "rear", "left", "right", "inner", "outside" etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model
It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.
In some embodiments, elastic element 3 can be rubber bushing, and the elastic property of rubber bushing is preferable, by
When extruding, rubber bushing can play preferable buffering energy-absorbing function.Certainly, elastic element 3 is also possible to other be able to bear
The elastic element 3 of radial and axial load, will not enumerate here.
According to the vehicle of the utility model another aspect embodiment, the trailer hook assembly 10 including above-described embodiment.And it is right
In other constructions of vehicle, such as the well-known technique that chassis, speed changer have been well known to those skilled in the art, therefore here
No longer repeat one by one.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means particular features, structures, materials, or characteristics described in conjunction with this embodiment or example
It is contained at least one embodiment or example of the utility model.In the present specification, schematic expression of the above terms
Necessarily it is directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.In addition, those skilled in the art can be by this
Different embodiments or examples described in specification are engaged and are combined.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (10)
1. a kind of trailer hook assembly, which is characterized in that including：
Car puller hook；
Sleeve, the sleeve is suitable for being fixed on vehicle body, and the sleeve includes：Sleeve peripheral wall and sleeve end wall, the sleeve
End wall covers one end of the sleeve peripheral wall, is provided in the sleeve end wall and protrudes into hole, and institute for what the car puller hook protruded into
It states and forms radial clearance between the internal diameter for protruding into hole and the outer diameter of the car puller hook；
Can axial deformation elastic element, the elastic element is set between the sleeve peripheral wall and the car puller hook, and institute
The one end for stating elastic element is resisted against on the inner wall of the sleeve end wall, and fastener is provided on the car puller hook, described tight
Firmware is resisted against on the other end of the elastic element.
2. trailer hook assembly according to claim 1, which is characterized in that the radial clearance is not less than 3mm.
3. trailer hook assembly according to claim 1, which is characterized in that the outer diameter of the elastic element is greater than described protrude into
The internal diameter in hole and the internal diameter for being less than or equal to the sleeve peripheral wall.
4. trailer hook assembly according to claim 3, which is characterized in that have on the outer peripheral surface of the elastic element multiple
Annular groove.
5. trailer hook assembly according to claim 4, which is characterized in that multiple annular grooves are along the axially spaced-apart
It opens.
6. trailer hook assembly according to claim 1, which is characterized in that the car puller hook includes：Hook portion and bar portion, it is described
Bar portion protrudes into hole and the elastic element described in wearing, and external screw thread is provided on the outer peripheral surface of the bar portion, the fastener
For nut, the nut and the bar portion threaded.
7. trailer hook assembly according to claim 6, which is characterized in that further include：Gasket, the gasket are covered in the bar
In portion and it is arranged between the nut and the elastic element.
8. trailer hook assembly according to claim 7, which is characterized in that the outer diameter of the gasket is greater than the outer of the nut
Diameter and the internal diameter for being less than or equal to the sleeve peripheral wall.
9. trailer hook assembly described in -8 any one according to claim 1, which is characterized in that the elastic element is rubber lining
Set.
10. a kind of vehicle, which is characterized in that including trailer hook assembly according to claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820564811.8U CN208164685U (en) | 2018-04-19 | 2018-04-19 | Trailer hook assembly and vehicle with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820564811.8U CN208164685U (en) | 2018-04-19 | 2018-04-19 | Trailer hook assembly and vehicle with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208164685U true CN208164685U (en) | 2018-11-30 |
Family
ID=64371446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820564811.8U Active CN208164685U (en) | 2018-04-19 | 2018-04-19 | Trailer hook assembly and vehicle with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208164685U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111873730A (en) * | 2020-07-24 | 2020-11-03 | 奇瑞汽车股份有限公司 | Tow hook mounting structure |
-
2018
- 2018-04-19 CN CN201820564811.8U patent/CN208164685U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111873730A (en) * | 2020-07-24 | 2020-11-03 | 奇瑞汽车股份有限公司 | Tow hook mounting structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208164685U (en) | Trailer hook assembly and vehicle with it | |
| WO2013047048A1 (en) | Telescopic steering device | |
| WO2018198413A1 (en) | Torque rod | |
| CN204674324U (en) | A kind of automotive suspension upper control arm | |
| CN101844337A (en) | Vehicular tyre wrench combined with towing hook ring | |
| CN201989841U (en) | Steering intermediate shaft | |
| CN206513182U (en) | The pick up tail-gate buffer structure that a kind of spring and hydraulic stem are combined | |
| CN202138179U (en) | Control arm assembly | |
| CN213270702U (en) | Ball head pin bush, steering assembly and automobile | |
| CN104895966B (en) | The stopping caliper elastic presser feet baffle ring of band | |
| CN201693480U (en) | Vehicle tire wrench with combined drawbar ring | |
| CN215513127U (en) | Lower swing arm assembly of automobile suspension and automobile suspension | |
| CN220566470U (en) | Automatic gap adjusting arm body and automatic gap adjusting arm | |
| CN220204351U (en) | High-load transmission shaft | |
| CN204025299U (en) | A kind of automobile brake master cylinder standing screw stop collar | |
| CN204527179U (en) | A kind of parking wire drawing assembly | |
| CN212243551U (en) | Inner steering pull rod assembly | |
| CN110500351A (en) | A kind of double end high-strength impact-resistant automobile bolt | |
| CN204368126U (en) | A kind of reaper and two stop mechanism thereof and split controlled pedal thereof | |
| CN218367979U (en) | Steering plumbing arm, steering mechanism and vehicle | |
| CN207345391U (en) | Preceding bridge and vehicle | |
| CN204432675U (en) | A kind of railway truck disconnecting preventing parking brake lever | |
| CN209494837U (en) | Straight joint body connecting shaft and straight joint body | |
| CN215596264U (en) | Wear-resistant liner for vehicle | |
| CN209366248U (en) | A kind of mounting lining for diverter structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |