CN111845225B - Carriage trailer coupler device and carriage - Google Patents
Carriage trailer coupler device and carriage Download PDFInfo
- Publication number
- CN111845225B CN111845225B CN202010717865.5A CN202010717865A CN111845225B CN 111845225 B CN111845225 B CN 111845225B CN 202010717865 A CN202010717865 A CN 202010717865A CN 111845225 B CN111845225 B CN 111845225B
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- Prior art keywords
- pull rod
- fixing seat
- rod fixing
- trailer hook
- hook
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- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 11
- 238000009434 installation Methods 0.000 abstract description 8
- 238000010521 absorption reaction Methods 0.000 description 16
- 238000007789 sealing Methods 0.000 description 3
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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
-
- 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
-
- 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
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Body Structure For Vehicles (AREA)
- Vibration Dampers (AREA)
Abstract
A kind of passenger train trailer hook device and a passenger train, it is the vehicle field, have solved the problem that the energy-absorbing device interferes with installation position of the trailer hook of passenger train, guarantee the collision energy-absorbing effect at the same time, fully raise the front space utilization rate of the passenger train, reduce the design matching cost of the energy-absorbing device of later stage and install, including sleeve, tie rod fixing base and trailer hook tie rod, the front end of the trailer hook tie rod passes the tie rod fixing base, the rear end of the trailer hook tie rod is connected with back end face of the tie rod fixing base elastically; the front end of the pull rod fixing seat is provided with a detachable connecting sleeve; the front end of the pull rod fixing seat is also connected with a hook piece which is positioned in the sleeve; the rear end of the trailer hook pull rod is provided with an expansion part, and the pull rod fixing seat is provided with an opening which can prevent or allow the expansion part to pass through.
Description
Technical Field
The invention belongs to the field of vehicles, and particularly relates to a passenger car trailer hook device and a passenger car.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Passenger car is used as the main traffic tool of highway passenger transport and city passenger transport, and the passenger capacity is big, and transport efficiency is high, but the accident rate is relatively higher, in case the traffic accident takes place, extremely easily causes crowd death group to hinder, brings serious social influence. In order to reduce the passenger casualties rate of the passenger car in traffic accidents, it is necessary to optimize the collision performance of the passenger car.
The inventor finds that the front end of the large-section longitudinal beam of the bus frame is additionally provided with the energy absorbing device by a bus manufacturer so as to achieve the maximum energy absorbing effect, reduce the impact acceleration generated during the frontal collision and further reduce personal injury. However, the conventional carriage trailer hook is often installed at the front end of the large longitudinal beam of the frame, and interferes with the installation position of the energy absorbing device. In addition, the traditional carriage trailer hook is formed by welding cast bodies or high-strength plates, and when the carriage collides with the front surface, the carriage trailer hook structure can prevent the energy absorption device from crushing and deforming, so that the energy absorption effect is reduced.
Disclosure of Invention
Aiming at the problems, the invention provides a passenger car towing hook device with a collision energy absorption function and a passenger car, wherein the energy absorption device and the towing hook are combined into a whole, so that the problem of interference between the energy absorption device and the installation position of the passenger car towing hook is solved, the collision energy absorption effect is ensured, the utilization rate of the front space of the passenger car is fully improved, and the design matching cost of the later-stage additional energy absorption device is reduced.
In order to achieve the above object, the present invention is realized by the following technical scheme:
In a first aspect, the technical scheme of the invention provides a carriage trailer hook device, which comprises a sleeve, a pull rod fixing seat and a carriage trailer hook pull rod, wherein the front end of the carriage trailer hook pull rod penetrates through the pull rod fixing seat, and the rear end of the carriage trailer hook pull rod is elastically connected with the rear end face of the pull rod fixing seat; the front end of the pull rod fixing seat is provided with a detachable connecting sleeve; the front end of the pull rod fixing seat is also connected with a hook piece which is positioned in the sleeve; the rear end of the trailer hook pull rod is provided with an expansion part, and the pull rod fixing seat is provided with an opening which can prevent or allow the expansion part to pass through.
As a further technical scheme, the draw bar fixing seat is internally provided with a cavity for accommodating the expansion part at the rear end of the draw bar of the trailer hook, and the cavity is communicated with the outside through the opening.
As a further technical scheme, an elastic piece is arranged between the rear end face of the pull rod fixing seat and the rear end of the pull rod of the trailer hook.
As a further technical scheme, the first connecting plate is connected to telescopic rear end, the second connecting plate is connected to pull rod fixing base front end, and first connecting plate and second connecting plate dismantlement formula are connected.
As a further technical scheme, the expansion part comprises a protruding part protruding out of the side face of the trailer hook pull rod, and the shape of the opening is matched with the protruding part.
In a second aspect, the present invention further provides a passenger car, including a passenger car trailer hook device according to the first aspect.
When the passenger car collides with the front surface, the sleeve is connected to the front end of the passenger car, so that the sleeve is subjected to pressure at first, the sleeve is deformed until being flattened, and in the flattening process, the sleeve can absorb collision energy so as to relieve the extrusion force applied to the front end of the frame; the trailer hook pull rod compresses the spring, and continues to move backwards, and finally the energy-absorbing sleeve is completely crushed to achieve the maximum energy-absorbing effect, and at the moment, the spring is also in a compressed state to dissipate part of collision energy; when the passenger car needs to be towed, the first connecting plate and the second connecting plate can be separated manually, the sleeve is taken down, the hook-shaped piece of the towing hook pull rod is exposed, and then the towing work is completed.
The technical scheme of the invention has the following beneficial effects:
1) According to the invention, the energy-absorbing sleeve serving as the energy-absorbing device and the trailer hook are combined into a whole, so that the problem of interference between the energy-absorbing device and the installation position of the trailer hook of the passenger car is solved, meanwhile, the influence of the traditional trailer hook on the energy-absorbing effect of the energy-absorbing device is reduced, the collision energy-absorbing effect is ensured, the utilization rate of the front space of the passenger car is improved, and the design matching cost of the additional installation of the energy-absorbing device of the passenger car is reduced.
2) In the invention, the elastic piece can share a part of impact force, and meanwhile, after the sleeve is deformed due to impact, the sleeve is released, and the elastic piece can push out the trailer hook pull rod.
3) In the invention, the expansion part and the pull rod seat opening matched with the expansion part are also used, so that the detachable installation of the drag hook pull rod is convenient, and the recycling of parts is convenient.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
Figure 1 is a schematic vertical view of the present invention according to one or more embodiments,
Figure 2 is a schematic vertical cross-sectional view of the present invention according to one or more embodiments,
Figure 3 is an exploded view of the present invention according to one or more embodiments,
FIG. 4 is a schematic view of an installation location according to one or more embodiments of the present invention.
In the figure: 1. a sealing plate; 2. an energy absorbing sleeve; 3. a first connection plate; 4. a bolt; 5. a second connecting plate; 6. a pull rod fixing seat; 7. a trailer hook pull rod; 8. a spring; 9. a reinforcing plate; 10. and a frame.
The mutual spacing or dimensions are exaggerated for the purpose of showing the positions of the various parts, and the schematic illustrations are used for illustration only.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present invention. As used herein, the singular forms also are intended to include the plural forms unless the present invention clearly dictates otherwise, and furthermore, it should be understood that when the terms "comprise" and/or "include" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
For convenience of description, the words "upper", "lower", "left" and "right" in the present invention, if they mean only that the directions are consistent with the upper, lower, left, and right directions of the drawings per se, and do not limit the structure, only for convenience of description and simplification of the description, but do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Term interpretation section: the terms "mounted," "connected," "secured," and the like in the present invention are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the terms are used herein as specific meanings as understood by those of ordinary skill in the art, and are not limited to the following terms.
As introduced in the background art, aiming at the problems in the prior art, the invention provides a passenger car trailer hook device with collision energy absorption effect and a passenger car, wherein the energy absorption device and the trailer hook device are combined into a whole, and the problem of interference between the energy absorption device and the installation position of the passenger car trailer hook is solved. Meanwhile, the collision energy absorption effect is guaranteed, the utilization rate of the front space of the passenger car is fully improved, and the design matching cost of the energy absorption device additionally installed in the later period is reduced.
Example 1
In a typical implementation manner of the present invention, as shown in fig. 1, the present embodiment discloses a car towing hook device, which includes a towing hook body and an energy-absorbing component, and the towing hook body and the energy-absorbing component are connected and fixed by a bolt 4 and combined into a whole. More specifically, the energy-absorbing device comprises a sleeve, a pull rod fixing seat 6 and a pull rod 7 as energy-absorbing components, wherein the front end of the pull rod 7 of the pull rod passes through the pull rod fixing seat 6, and the rear end of the pull rod 7 of the pull rod is elastically connected with the end face of the pull rod fixing seat 6; the pull rod fixing seat 6 is detachably connected with the sleeve; the front end of the pull rod fixing seat 6 is also connected with a hook piece which is positioned in the sleeve; the rear end of the trailer hook pull rod 7 is provided with an expansion part, and the pull rod fixing seat 6 is provided with an opening which can prevent or allow the expansion part to pass through.
The rear end of the sleeve is connected with the first connecting plate 3, the front end of the pull rod fixing seat 6 is connected with the second connecting plate 5, and the first connecting plate 3 is detachably connected with the second connecting plate 5.
As shown in fig. 4, the passenger car trailer hook device with collision energy absorption function is welded at the position right in front of the left side longitudinal beam of the frame 10.
As shown in fig. 2, the trailer hook body comprises a trailer hook pull rod 7, the rear side of the trailer hook pull rod 7 is provided with a protrusion with the total length being larger than the diameter of the trailer hook pull rod 7, and the trailer hook pull rod 7 is accommodated in the pull rod fixing seat 6; it will be appreciated that for the trailer hitch lever 7, the end thereof having the protrusion may be referred to as the protruding end of the trailer hitch lever 7, the end thereof connected with the hook may be referred to as the hook end thereof, the protruding end being the rear end thereof and the hook end being the front end thereof as seen in the exploded view shown in fig. 3.
There is a cavity in the drawbar holder 6 configured to receive part of the draw bar 7 and for the passage of the hook, one side outlet of the cavity of the drawbar holder 6 being configured to move the protruding end of the draw bar 7 from the first position to the second position.
The hook may include a curved portion and a base connected; the hook is configured to connect the tractor and the towed passenger vehicle using a hard or soft connection device.
As will be appreciated by those skilled in the art, the limiting means is that the limiting means moves in the pull rod fixing seat 6, the moving power source is a spring 8 abutting against the protruding end of the pull rod 7 of the trailer hook, more specifically, as shown in fig. 2, the trailer hook body includes a second connecting plate 5, the pull rod fixing seat 6, the pull rod 7 of the trailer hook, the spring 8 and a reinforcing plate 9, the specific connection relationship is that the second connecting plate 5 and the reinforcing plate 9 are welded on the pull rod fixing seat 6, the spring 8 is located in the bin body of the pull rod fixing seat 6, a round hole and a cross-shaped groove through which the pull rod 7 of the trailer hook can pass are formed in the middle of the second connecting plate 5, and a bolt hole is formed in a corner. The pull rod fixing seat 6 comprises a block-shaped body made of metal and provided with a through hole, the block-shaped body is integrally in a cuboid shape, and the first side edge and the second side edge of the upper end face of the block-shaped body are provided with protrusions. The trailer hook pull rod 7 comprises a cylindrical main body, one end of the main body is connected with a hook body, the side wall of the other end of the main body is connected with two protrusions, and a connecting line of the two protrusions can pass through the central axis of the main body. The spring 8 is located between the reinforced plate 9 and the body of the towing hitch lever 7, it being understood that in this embodiment the spring 8 acts to absorb crash energy. In this embodiment, the second connection plate 5 and the reinforcing plate 9 are rectangular in shape.
It can be understood that the spring 8 installed between the end surface of the pull rod fixing seat 6 and the rear end of the trailer hook pull rod 7 is a coil spring, and is used as an elastic piece; in further embodiments, the elastic member may be one or more of a leaf spring, a torsion bar spring, a gas spring, or a rubber spring.
According to the motion state of the trailer hook pull rod 7, the trailer hook pull rod 7 can have two motion positions, firstly, when the inner side of the protruding end of the trailer hook pull rod 7 is clung to the pull rod fixing seat 6, the spring 8 only receives the pressure of the trailer hook pull rod 7, and the spring 8 has a buffer space; second, when the inner side of the protruding end of the draft gear lever 7 has a gap with the lever fixing base 6, the spring 8 has an external force (in this embodiment, a front side impact force of the passenger car) applied to the draft gear lever 7 in addition to the pressure of the draft gear lever 7.
As shown in fig. 2, the energy absorbing assembly includes an energy absorbing sleeve 2, and the energy absorbing sleeve 2 has a cylindrical structure, which is specifically in a hexagonal prism shape, and has a side wall in a hexagonal prism shape hollowed out therein.
The hooks are accommodated in the energy-absorbing sleeve 2; it will be appreciated that the hooks may be accommodated in the energy absorbing sleeve 2 only in this embodiment, and that when a trailer using hooks is desired, the energy absorbing sleeve 2 needs to be removed or at least an exposed opening to facilitate the connection of the hooks by a hard or soft connection means.
As will be appreciated by those skilled in the art, in this embodiment, the energy absorbing sleeve 2 absorbs a portion of the energy and prevents deformation of the hooks in the event of a front side collision of the passenger car.
More specifically, the energy-absorbing component comprises a sealing plate 1, an energy-absorbing sleeve 2 and a first connecting plate 3, wherein the specific connection relation is that the sealing plate 1 and the first connecting plate 3 are welded on the energy-absorbing sleeve 2 and are respectively welded on two end surfaces of the energy-absorbing sleeve 2; the first connecting plate 3 and the second connecting plate 5 have the same structure and are rectangular plate members with holes in the middle parts.
More specifically, the pull rod fixing seat 6 in this embodiment is a casting, one end of the pull rod fixing seat faces the inside and is provided with a bin structure, the other end of the pull rod fixing seat is provided with a through hole through which the pull rod 7 of the trailer hook can pass, and meanwhile, the wall of the through hole is provided with a groove which can be matched with the protrusion of the tail end of the main body of the pull rod 7 of the trailer hook. The energy-absorbing sleeve can be crushed and deformed along the axial direction, so that the energy-absorbing purpose is achieved.
As shown in fig. 3, the side surface of the rear end of the pull rod fixing seat 6 is provided with a protrusion which forms an expansion part; the pull rod fixing seat 6 is internally provided with a cavity for accommodating an expansion part at the rear end of the pull rod 7 of the trailer hook, and the cavity is communicated with the outside through an opening; the shape of the opening of the tie rod fixing base 6 is matched with the protruding part. In this embodiment, when the pull rod 7 of the trailer hook is installed, one end of the pull rod 7 with the protrusion is horizontally inserted into the through hole of the pull rod fixing seat 6, so that the pull rod compresses the spring 8, then the pull rod 7 of the trailer hook is rotated by 90 degrees, and after the pull rod 7 of the trailer hook is loosened, the protrusion of the pull rod can be fixed in the vertical groove in the bin body of the pull rod fixing seat 6 under the pretightening force of the spring 8. One end with a hook body can pass through the round holes of the first connecting plate 3 and the second connecting plate 5 and enter the inner part of the energy-absorbing sleeve 2.
The working state of the passenger car trailer hook device with the collision energy absorption function is shown in fig. 4, when the passenger car collides with the front surface, the energy absorption sleeve 2 in the energy absorption assembly is firstly crushed and deformed to absorb collision energy. And then the trailer hook pull rod 7 compresses the spring 8 and continues to move backwards, and finally the energy-absorbing sleeve 2 is completely crushed, so that the maximum energy-absorbing effect is achieved. At this time, the spring 8 is compressed, and a part of the collision energy can be dissipated. When the passenger car needs to be towed, the bolt 4 can be manually disassembled, the energy absorbing component is taken down, the hook-shaped piece of the towing hook pull rod 7 is exposed, and then the towing work is completed.
It will be appreciated that the passenger car towing hook device shown in the embodiment can be regarded as being formed by combining a towing hook body and an energy absorbing component, specifically by connecting the towing hook body and the energy absorbing component by bolts 4 passing through the first connecting plate 3 and the second connecting plate 5.
Screw holes are formed in four corners of the rectangular first connecting plate 3, screw holes are formed in four corners of the rectangular second connecting plate 5, and the screw holes in the first connecting plate 3 and the screw holes in the second connecting plate 5 correspond to each other, so that when the first connecting plate 3 and the second connecting plate 5 are tightly attached, four corners of the first connecting plate 3 and four corners of the second connecting plate 5 can be connected through the screw holes by bolts 4.
Referring to the exploded view shown in fig. 3 and the sectional view shown in fig. 2, in this embodiment, after the coupler body and the energy absorbing assembly are connected, the coupler is located in the energy absorbing sleeve 2.
It will be appreciated that the detachable connection in this embodiment, such as in the form of a bolt 4 connection, a threaded connection or a snap fit, is not detachable, such as by welding, gluing, etc., and may be selected according to the actual needs.
Example 2
In an exemplary embodiment of the present invention, as shown in fig. 4, the present embodiment discloses a passenger car having a frame 10, and a passenger car trailer hook device as described in embodiment 1 is connected to the front end of the frame 10. The carriage trailer hook device can be directly arranged on a cross rod, a vertical rod or a diagonal rod of the carriage 10, and can also be fixedly arranged on the cross rod, the vertical rod or the diagonal rod of the carriage 10. It will be appreciated that prior art frame 10 is required to bear the weight of the entire body of the vehicle as part of the vehicle, and that the front end of frame 10 is directly impacted to deform when the vehicle is in a frontal collision.
In this embodiment, when a front collision occurs in a passenger car, since the energy-absorbing assembly is connected to the front end of the passenger car, the energy-absorbing assembly is first stressed, the energy-absorbing sleeve 2 in the energy-absorbing assembly is deformed until being flattened, and in the process of being flattened, the energy-absorbing assembly can absorb collision energy so as to relieve the extrusion force applied to the front end of the frame 10; then the trailer hook pull rod 7 compresses the spring 8, and continues to move backwards, and finally the energy-absorbing sleeve 2 is completely crushed to achieve the maximum energy-absorbing effect, and at the moment, the spring 8 also dissipates part of collision energy in a compressed state; when the passenger car needs to be towed, the first connecting plate 3 and the second connecting plate 5 can be manually separated, the energy absorbing component is taken down, the hook piece of the towing hook pull rod 7 is exposed, and then the towing work is completed.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The carriage trailer hook device is characterized by comprising a sleeve, a pull rod fixing seat and a carriage trailer hook pull rod, wherein the front end of the carriage trailer hook pull rod penetrates through the pull rod fixing seat, and the rear end of the carriage trailer hook pull rod is elastically connected with the rear end face of the pull rod fixing seat; the front end of the pull rod fixing seat is provided with a detachable connecting sleeve; the front end of the pull rod fixing seat is also connected with a hook piece which is positioned in the sleeve; the rear end of the trailer hook pull rod is provided with an expansion part, and the pull rod fixing seat is provided with an opening capable of preventing or allowing the expansion part to pass through;
the side surface of the rear end of the pull rod fixing seat is provided with a protrusion, and the protrusion forms an expansion part;
The draw bar fixing seat is internally provided with a cavity for accommodating an expansion part at the rear end of the draw bar, and the cavity is communicated with the outside through the opening;
An elastic piece is arranged between the rear end face of the pull rod fixing seat and the rear end of the trailer hook pull rod;
The rear end of the sleeve is connected with a first connecting plate, the front end of the pull rod fixing seat is connected with a second connecting plate, and the first connecting plate is detachably connected with the second connecting plate;
The pull rod fixing seat comprises a pull rod fixing seat main body and a reinforcing plate serving as an end face, and the reinforcing plate is fixedly connected with the pull rod fixing seat main body;
The expansion part comprises a protruding part protruding out of the side face of the trailer hook pull rod, and the shape of the opening is matched with the protruding part.
2. A bus trailer hitch arrangement as claimed in claim 1, in which the resilient member is one or more of a leaf spring, a coil spring, a torsion bar spring, a gas spring or a rubber spring.
3. The bus trailer hook assembly of claim 1 wherein the first and second connection plates are each provided with a threaded bore, the first and second connection plates being connected by bolts.
4. A passenger car comprising a passenger car draft gear according to any one of claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010717865.5A CN111845225B (en) | 2020-07-23 | 2020-07-23 | Carriage trailer coupler device and carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010717865.5A CN111845225B (en) | 2020-07-23 | 2020-07-23 | Carriage trailer coupler device and carriage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111845225A CN111845225A (en) | 2020-10-30 |
| CN111845225B true CN111845225B (en) | 2024-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010717865.5A Active CN111845225B (en) | 2020-07-23 | 2020-07-23 | Carriage trailer coupler device and carriage |
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| Country | Link |
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| CN (1) | CN111845225B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212400801U (en) * | 2020-07-23 | 2021-01-26 | 中通客车控股股份有限公司 | Passenger car towing hook device and passenger car |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011010798A1 (en) * | 2011-02-09 | 2012-08-09 | Benteler Automobiltechnik Gmbh | Bumper arrangement with towing device |
| US9464953B2 (en) * | 2011-09-28 | 2016-10-11 | Alvin R. Wirthlin | System and method for gauging safe towing parameters |
| CN202345319U (en) * | 2011-10-31 | 2012-07-25 | 长城汽车股份有限公司 | Telescopic vehicle towing hook |
| US20140001781A1 (en) * | 2012-06-27 | 2014-01-02 | Michael Leking | Shock Absorbing Trailer Hitch Attachment |
| KR20140053698A (en) * | 2012-10-26 | 2014-05-08 | 현대자동차주식회사 | Towing hook assembly for vehicle |
| CN204322954U (en) * | 2014-12-18 | 2015-05-13 | 承德石油高等专科学校 | A kind of towed vehicle trailer coupling |
| CN105128615A (en) * | 2015-07-17 | 2015-12-09 | 南京金龙客车制造有限公司 | Telescoping towing mechanism |
| CN105564166A (en) * | 2016-01-05 | 2016-05-11 | 北京汽车股份有限公司 | Tow hook structure and automobile |
| CN209972081U (en) * | 2018-11-30 | 2020-01-21 | 绿驰汽车科技集团有限公司 | Car front tow hook installation component |
| KR102130351B1 (en) * | 2019-01-28 | 2020-07-06 | 주식회사 성우하이텍 | Vehicle towing device and bumper beam unit including the same |
| CN110001318A (en) * | 2019-04-09 | 2019-07-12 | 一汽轿车股份有限公司 | A kind of portable Trailer equipment |
| CN210257886U (en) * | 2019-06-24 | 2020-04-07 | 李少哲 | Buffer type trailer hook |
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2020
- 2020-07-23 CN CN202010717865.5A patent/CN111845225B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212400801U (en) * | 2020-07-23 | 2021-01-26 | 中通客车控股股份有限公司 | Passenger car towing hook device and passenger car |
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| Publication number | Publication date |
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| CN111845225A (en) | 2020-10-30 |
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