CN210911915U - Tow hook connecting device reaches anticollision roof beam and car including it - Google Patents
Tow hook connecting device reaches anticollision roof beam and car including it Download PDFInfo
- Publication number
- CN210911915U CN210911915U CN201920978046.9U CN201920978046U CN210911915U CN 210911915 U CN210911915 U CN 210911915U CN 201920978046 U CN201920978046 U CN 201920978046U CN 210911915 U CN210911915 U CN 210911915U
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- Prior art keywords
- sleeve
- mounting
- connecting device
- mounting sleeve
- tow hook
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- 239000000463 material Substances 0.000 claims abstract description 30
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 229920001971 elastomer Polymers 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000004073 vulcanization Methods 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 12
- 230000003139 buffering effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
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Abstract
The utility model relates to a tow hook connecting device reaches anticollision roof beam and car including it, tow hook connecting device is including being used for the fixed connection the installation sleeve on car anticollision roof beam, and locate screw sleeve in the installation sleeve, be equipped with on the screw sleeve's the inner wall and be used for carrying out threaded connection's internal thread with tow hook, be equipped with annular boss on the periphery wall of the end of screw sleeve's one end, the external diameter of annular boss is greater than the telescopic internal diameter of installation, annular boss locates the installation sleeve is close to one side of automobile body, screw sleeve with be equipped with the buffer material layer between the installation sleeve. Use the utility model provides a tow hook connecting device pulls the vehicle when pulling, and the buffer material layer of tow hook connecting device can slow down the impact force that produces when pulling, alleviates the impact to tow hook and anticollision roof beam.
Description
Technical Field
The utility model relates to an automobile parts technical field, more specifically relates to a tow hook connecting device reaches anticollision roof beam and car including it.
Background
The automobile is generally provided with a towing hook, and the towing hook is a towing device for towing through other vehicles when the automobile fails and cannot continue to run. The common mounting mode of the trailer hook is that the trailer hook is in threaded hard connection with an anti-collision beam or a vehicle body longitudinal beam. The most common installation mode of the existing trailer hook is that the trailer hook is fixedly connected with a thread sleeve welded on an anti-collision beam in a thread way, and the installation mode has the defects that: when a fault vehicle is dragged through the towing hook, impact force is generated between the towing hook and the threaded sleeve, the towing hook is easy to break at the welding position when stressed, and meanwhile, the anti-collision beam is likely to deform and lose efficacy due to stress concentration; in addition, the welded part of the threaded sleeve and the anti-collision beam has large plastic deformation of materials, the load bearing capacity is reduced, and the fatigue durability of the anti-collision beam is poor. Therefore, in order to improve the safety and reliability of the automobile when the automobile is dragged, the anti-collision beam is usually made of a material with higher strength or larger thickness.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a tow hook connecting device reaches anticollision roof beam and car including it aims at solving among the prior art and drags the problem that the coupler adopts the hard connected mode of screw thread easily to cause tow hook and anticollision roof beam fatigue durability poor.
According to a first aspect of the present invention, there is provided a tow hook connection device, comprising a mounting sleeve and a threaded sleeve arranged in the mounting sleeve, wherein an inner thread is arranged on an inner wall of the threaded sleeve, an annular boss is arranged on an outer peripheral wall of an end of one end of the threaded sleeve, an outer diameter of the annular boss is larger than an inner diameter of the mounting sleeve, the mounting sleeve is used for being fixedly connected to an automobile anti-collision beam, the inner thread on the inner wall of the threaded sleeve is matched with an outer thread on a tow hook, and the annular boss is arranged on one side of the mounting sleeve close to an automobile body;
and a buffer material layer is arranged between the threaded sleeve and the mounting sleeve.
Preferably, still be equipped with the mounting panel on the periphery wall of mounting sleeve, the mounting panel with the camber looks adaptation of the curved surface of anticollision roof beam.
Preferably, a plurality of screw holes are formed in the mounting plate, and the mounting plate is fixedly connected with the anti-collision beam through screws.
Preferably, still include rivet nut, rivet nut is used for fixed connection in on the anticollision roof beam, the screw with rivet nut cooperation is used.
Preferably, the mounting sleeve and the mounting plate are integrally cast.
Preferably, the material of the buffer material layer is rubber.
Preferably, the rubber is filled between the threaded sleeve and the mounting sleeve by vulcanization molding.
Preferably, the layer of cushioning material is bonded to the threaded sleeve and the mounting sleeve, respectively, by an adhesive.
According to the utility model discloses a second aspect provides an anticollision roof beam, be equipped with above-mentioned trailer hook connecting device on the anticollision roof beam.
According to the utility model discloses a third aspect provides an automobile, be equipped with above-mentioned anticollision roof beam on the automobile.
The utility model has the advantages that: the utility model provides a tow hook connecting device, including being used for the installation sleeve of fixed connection on the anticollision roof beam to and establish the threaded sleeve who is used for being connected with tow hook in the installation sleeve, be equipped with the buffer material layer between threaded sleeve and the installation sleeve. When the trailer hook is used for towing and towing an automobile, the trailer hook connecting device can relieve the impact of front-back alternating force and tangential force in the vertical and horizontal directions on the trailer hook and an anti-collision beam by utilizing the buffering effect of the buffering material layer. The anticollision roof beam can select for use the material that the label is lower, reduces the cost of manufacture of anticollision roof beam, or selects for use thinner material, alleviates the weight of anticollision roof beam, also is favorable to the protection to the pedestrian.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 shows a schematic perspective view of a connection between a trailer hook connection device and an anti-collision beam according to an embodiment of the present invention.
Fig. 2 shows an exploded view of the assembly connection of the trailer coupling device and the impact beam according to an embodiment of the present invention.
Fig. 3 shows a front view of a trailer coupling arrangement in connection with an impact beam according to an embodiment of the present invention.
Fig. 4 is a cross-sectional view taken at a-a in fig. 3.
In the figure: the anti-collision device comprises an anti-collision beam 1, a mounting hole 11, a connecting hole 12, a mounting sleeve 2, a mounting plate 21, a screw hole 211, a screw 3, a buffer material layer 4, a threaded sleeve 5, an annular boss 51 and a rivet nut 6.
Detailed Description
Various embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by the same or similar reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale.
Referring to fig. 1 to 4, a trailer hook connecting device, including being used for the mounting sleeve 2 of fixed connection on car anticollision roof beam 1, and insert the screw sleeve 5 of locating in mounting sleeve 2, be equipped with the internal thread with the external screw thread looks adaptation on the trailer hook on the inner wall of screw sleeve 5, be equipped with annular boss 51 on the periphery wall of the end of screw sleeve 5's one end, the external diameter of annular boss 51 is greater than the internal diameter of mounting sleeve 2, one side that mounting sleeve 2 is close to the automobile body is located to annular boss 51, be equipped with buffer material layer 4 between screw sleeve 5 and mounting sleeve 2. In the present embodiment, the annular boss 51 is formed integrally with the threaded sleeve 5, and the outer diameter of the annular boss 51 is equal to the outer diameter of the mounting sleeve 2.
In this embodiment, the material of the cushion material layer 4 is rubber, and in other embodiments, the material of the cushion material layer 4 may also be polyurethane or other materials with good cushioning effect.
In the embodiment, when the material of the buffer material layer 4 is rubber, the rubber can be filled between the threaded sleeve 5 and the mounting sleeve through vulcanization molding; the buffer material layer 4 can also be formed into a cylindrical structure, the outer diameter of the cylindrical structure is matched with the inner diameter of the mounting sleeve 2, the inner diameter of the cylindrical structure is matched with the outer diameter of the threaded sleeve 5, and then the cylindrical structure is respectively bonded with the threaded sleeve 5 and the mounting sleeve 2 through bonding agents.
The mounting position department of towing hook connecting device on crashproof roof beam 1 is seted up the mounting hole 11 that link up from beginning to end, and the diameter of mounting hole 11 and the external diameter phase-match of installation sleeve 2, installation sleeve 2 insert this mounting hole 11 and crashproof roof beam 1 and carry out fixed connection. Be equipped with mounting panel 21 on the periphery wall of the one end that mounting sleeve 2 is close to the automobile body, mounting panel 21 is used for convenient fixed connection with mounting sleeve 2 on crashproof roof beam 1, the camber looks adaptation of mounting panel 21 and crashproof roof beam 1's curved surface to do not have the clearance when guaranteeing to connect between mounting panel 21 and the crashproof roof beam 1, increase the stability of connecting.
Because the wall thickness of the anti-collision beam 1 is small, if a nut is welded on the anti-collision beam 1 or the mounting sleeve 2 is directly welded, welding deformation is easy to generate, and tapping internal threads are easy to slip, so that the mounting sleeve 2 is fixedly connected with the anti-collision beam 1 through the screw 3 and the rivet nut 6 in order to ensure that the mounting sleeve 2 is safely and reliably connected on the anti-collision beam 1. Specifically, the mounting plate 21 is provided with a plurality of screw holes 211, and the screw holes 211 are uniformly distributed on the mounting plate 21 by taking the axis of the mounting sleeve 2 as the center; the anti-collision beam 1 is provided with a connecting hole 12 corresponding to the screw hole 211, and the connecting hole 12 is used for installing the rivet nut 6. During connection, the rivet nut 6 is tightly clamped into the connecting hole 12 of the anti-collision beam 1, and the rivet nut 6 is tightly connected into the connecting hole 12 of the anti-collision beam 1 by using a rivet gun and a rivet stud. The mounting sleeve 2 can then be firmly attached to the impact beam 1 by screwing the rivet nut 6 with the screw 3.
In this embodiment, the mounting sleeve 2 and the mounting plate 21 are integrally cast, so that the processing is convenient and stable, and the processing time and the processing and manufacturing cost can be reduced.
After the trailer hook connecting device is connected to the anti-collision beam, when the trailer hook is used for towing and towing a vehicle, the trailer hook connecting device can reduce the impact of front-back direction alternating force and tangential force in the upper, lower, left and right directions on the trailer hook and the anti-collision beam by utilizing the buffering effect of the buffering material layer. For example, when the vehicle runs straight, the trailer hook connecting device can relieve the impact of front-back direction alternating force and upper-lower tangential force on the trailer hook and the anti-collision beam by using the buffering effect of the buffering material layer; when the vehicle turns and runs, the trailer hook connecting device can reduce the impact of left and right tangential forces and upper and lower tangential forces on the trailer hook and the anti-collision beam by utilizing the buffering effect of the buffering material layer. The anticollision roof beam can select for use the material that the label is lower, reduces the cost of manufacture of anticollision roof beam, or selects for use thinner material, alleviates the weight of anticollision roof beam, also is favorable to the protection to the pedestrian.
The utility model also relates to an anti-collision beam, wherein the anti-collision beam is provided with the trailer hook connecting device; the utility model discloses still relate to an automobile, be equipped with foretell anticollision roof beam on this automobile.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.
Claims (10)
1. The trailer hook connecting device is characterized by comprising a mounting sleeve and a threaded sleeve arranged in the mounting sleeve, wherein an inner thread is arranged on the inner wall of the threaded sleeve, an annular boss is arranged on the outer peripheral wall of the end head at one end of the threaded sleeve, the outer diameter of the annular boss is larger than the inner diameter of the mounting sleeve, the mounting sleeve is used for being fixedly connected to an automobile anti-collision beam, the inner thread on the inner wall of the threaded sleeve is matched with the outer thread on a trailer hook, and the annular boss is arranged on one side, close to an automobile body, of the mounting sleeve;
and a buffer material layer is arranged between the threaded sleeve and the mounting sleeve.
2. The trailer coupling arrangement of claim 1, wherein a mounting plate is further provided on the outer peripheral wall of the mounting sleeve, the mounting plate being adapted to the curvature of the curved surface of the impact beam.
3. The trailer hook connecting device as defined in claim 2, wherein the mounting plate is provided with a plurality of screw holes, and the mounting plate is fixedly connected with the anti-collision beam through screws.
4. The tow hook coupling device according to claim 3, further comprising a rivet nut for fixedly attaching to the impact beam, the screw cooperating with the rivet nut.
5. The trailer coupling apparatus of claim 2, wherein the mounting sleeve is integrally cast with the mounting plate.
6. The trailer coupling device as defined in claim 1, wherein the layer of cushioning material is rubber.
7. The trailer coupling apparatus of claim 6, wherein the rubber is filled between the threaded bushing and the mounting sleeve by vulcanization molding.
8. The trailer coupling apparatus of claim 1, wherein the layer of cushioning material is bonded to the threaded bushing and the mounting sleeve, respectively, by an adhesive.
9. An impact beam, characterized in that the impact beam is provided with a tow hook connection according to any one of claims 1-8.
10. An automobile, characterized in that the automobile is provided with an impact beam as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920978046.9U CN210911915U (en) | 2019-06-26 | 2019-06-26 | Tow hook connecting device reaches anticollision roof beam and car including it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920978046.9U CN210911915U (en) | 2019-06-26 | 2019-06-26 | Tow hook connecting device reaches anticollision roof beam and car including it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210911915U true CN210911915U (en) | 2020-07-03 |
Family
ID=71361479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920978046.9U Expired - Fee Related CN210911915U (en) | 2019-06-26 | 2019-06-26 | Tow hook connecting device reaches anticollision roof beam and car including it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210911915U (en) |
-
2019
- 2019-06-26 CN CN201920978046.9U patent/CN210911915U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200703 |