CN201736750U - Buffer for vehicle coupling - Google Patents
Buffer for vehicle coupling Download PDFInfo
- Publication number
- CN201736750U CN201736750U CN2010202678007U CN201020267800U CN201736750U CN 201736750 U CN201736750 U CN 201736750U CN 2010202678007 U CN2010202678007 U CN 2010202678007U CN 201020267800 U CN201020267800 U CN 201020267800U CN 201736750 U CN201736750 U CN 201736750U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- mandrel
- coupling
- energy disperser
- buffer
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses a buffer for a vehicle coupling, which includes a core shaft and a sleeve sheathed on the core shaft and keeping a clearance with the core shaft. The inside of the sleeve is divided into two cavities through a partition plate; buffer springs which are installed on the core shaft in series are mounted in the two cavities respectively; two ends of each buffer spring are propped against the sleeve and the core shaft respectively; the partition plate is arranged at the middle of the core shaft; and retaining edges propped against the front and the rear buffer springs are arranged at two ends of the sleeve. In the buffer for the vehicle coupling, the middle of each buffer spring is divided by the partition plate on the core shaft, each spring is propped against the front and the rear retaining edges of the sleeve, and the two springs are completely wrapped in the sleeve, so that the springs can be protected from the severe weather, and the service life of each spring can be prolonged; in addition, when the two buffer springs are compressed, the two retaining edges of the sleeve provides bearing force, the retaining edges can be fixed on the sleeve in a relatively firm manner, and the service life of the buffer is prolonged.
Description
Technical field
The utility model relates to a kind of coupling of vehicles energy disperser.
Background technology
The front portion of general vehicle is provided with hook, does not particularly have the trailer of power, and hook is absolutely necessary.Consider that trailer can produce inertia impact when doing actions such as startup, brake, speed change at tractor truck, general way is on the hook of tractor truck or trailer energy disperser to be set.What energy disperser adopted usually is hydraulic spring grease cup, gas spring etc., and what generally adopt is unidirectional buffering, does not consider that trailer is to the inertia impact of tractor truck in the process of moving.China Patent No.: 200420105782.7 disclose a kind of caravan towing hook, what adopt is the energy disperser with bidirectional buffering, comprise that the sleeve and the rear gap that are used for being connected with towing carriage are inserted into the sleeve mandrel, the front portion of mandrel is provided with bail and flange, the rear portion is provided with baffle plate and captive nut, and this baffle plate and sleeve lining are bearing fit; Be equipped with two recoil springs at the mandrel middle part, these two recoil springs are separated before and after being located at the dividing plate on the sleeve lining, and two springs are resisted against respectively between flange and dividing plate and dividing plate and the baffle plate.When tractor truck starts, drive mandrel and travel forward, make baffle plate push the Rear springs compression, play the effect of buffering by bail, trailer moves forward under effect of inertia during the tractor truck brake, make dividing plate push the front springs compression, play the effect of buffering, realized the characteristic of bidirectional buffering.But adopt above-mentioned energy disperser to have following problem: outside 1, front springs is exposed to, to be subjected to inclement weather influence easily, acceleration spring aging; 2, Rear springs is directly replaced baffle plate, and baffle plate is the power that provides support of the screw-nut body by the mandrel afterbody, seems too thin, causes stripped thread to cause losing buffer action easily; 3, mandrel only by the dividing plate at middle part and the baffle plate guiding at rear portion, after excessively stretching, is in anterior mandrel and then can loses directional tagging, produces comparatively serious vibrations, thus the service life of having reduced energy disperser.
The utility model content
The purpose of this utility model provides the high and non-damageable coupling of vehicles energy disperser of a kind of intensity, to improve the service life of energy disperser.
In order to realize above purpose, the technical scheme that the utility model adopted is: a kind of coupling of vehicles energy disperser, comprise that mandrel and gap are sleeved on the sleeve on the mandrel, be divided into two cavitys by a dividing plate in this sleeve, be respectively equipped with string in two cavitys and be contained in recoil spring on the mandrel, the two ends of two recoil springs are resisted against respectively on sleeve and the mandrel, and described dividing plate is located at the middle part of mandrel, and the two ends of sleeve are respectively equipped with the retaining edge of replacing forward and backward recoil spring.
Described one of them retaining edge is that one is connected with sleeve, and another retaining is along the fastener of captiveing joint with sleeve that is contained in for string on the mandrel.
Described fastener and being resisted against is provided with string and is contained in baffle ring on the mandrel between the recoil spring of this fastener.
Described mandrel is provided with the pre-tightening mechanism that is used to replace baffle ring, and this pre-tightening mechanism cooperates for the slip sleeve with described fastener.
Described pre-tightening mechanism is two nuts of replacing mutually that are screwed onto on the mandrel.
An end relative with fastener on the described mandrel is fixed with the portion of mounting.
The described portion of mounting comprises hook and the installation sleeve that is connected with hook, and this installation sleeve is sleeved on the mandrel end and connects by dowel fixes.
Described hook is the annular hook.
Described fastener is that flange is connected with sleeve.
Coupling of vehicles energy disperser of the present utility model, separated by the dividing plate on the mandrel in the middle of two recoil springs, and be resisted against two retainings before and after the sleeve respectively along last, two recoil springs are coated in the sleeve fully, avoid being subjected to boisterous influence, improved the service life of spring; In addition, when two recoil springs are compressed, by two retainings of sleeve along providing support power, the retaining along can be firm relatively be fixed on the sleeve, for example can adopt one to be connected or flange connection etc., its bearing capacity of single screw-nut body of the prior art has relatively obtained improving greatly, causes the damage of energy disperser when avoiding tractor truck quick operated start or sudden stop, has improved the service life of energy disperser.
In addition, coupling of vehicles of the present utility model has adopted the pre-tightening mechanism that is provided for replacing baffle ring on mandrel with energy disperser, makes things convenient for the installation of energy disperser, simultaneously when another recoil spring compression, baffle ring is together moved with mandrel, avoid supercompression to make mandrel deviate from baffle plate.
Description of drawings
Fig. 1 is the structural representation of coupling of vehicles of the present utility model with a kind of embodiment of energy disperser.
The specific embodiment
A kind of embodiment of coupling of vehicles usefulness energy disperser of the present utility model comprises that mandrel 2 and gap are sleeved on the sleeve 1 on the mandrel 2 as shown in Figure 1, and described sleeve 1 is stretched out at the two ends of mandrel 2 respectively; The middle part one of mandrel 2 is fixed with a dividing plate 8, this dividing plate 8 will be divided into former and later two cavitys in the sleeve 1, be respectively equipped with string in two cavitys and be contained in recoil spring 6,7 on the mandrel 2, retaining is along 9 in the anterior one of sleeve 1 is fixed with, and the two ends of recoil spring 6 are resisted against dividing plate 8 and interior retaining respectively along 9; One is fixed with butt flange 13 at the rear portion of sleeve 1, is connected with a flange 14 that cooperates for the slip sleeve with mandrel 2 on this butt flange 13, and flange 14 is fastener (save flange among the figure and be connected the screw and nut that quotation connects usefulness); Be provided with baffle ring 10 between flange 14 and recoil spring 7, these baffle ring 10 strings are contained on the mandrel 2 and with sleeve 1 and are bearing fit, and the two ends of recoil spring 7 are resisted against dividing plate 8 and baffle ring 10 respectively; The aperture of flange 14 central through holes 15 makes flange 14 play the effect that stops baffle ring 10, as shown in phantom in FIG. less than the internal orifice dimension of sleeve 1; Two nuts 11 of locking relatively are threaded in the rear end of mandrel 2,16, be provided with two packing rings 12,17 between nut 16 and baffle ring 10, nuts and washers constitutes pre-tightening mechanism, and described nut 11,16 and packing ring 12,17 all cooperate for the slip sleeve with flange 14.Front portion at mandrel 2 is provided with the portion of mounting, and the portion of mounting comprises bail 3 and the installation sleeve 4 that is connected with bail 3, and this installation sleeve 4 is sleeved on the front end of mandrel 2 and passes through pin 5 captive joints.
The utility model coupling of vehicles is as follows with the principle of work of energy disperser: suppose that the rear portion of energy disperser is connected with trailer, anterior bail is connected with tractor truck, when tractor truck starts, driving mandrel 2 by bail 3 travels forward, this moment, anterior recoil spring 6 provided cushion effect, and mandrel 2 drive rear portion recoil springs 7 and baffle ring 10 travel forward simultaneously; When tractor truck braked, trailer drove sleeve 1 and travels forward, and made flange 14 and baffle plate 10 contact and drive baffle plate 10 and moved forward, and rear portion recoil spring 7 provides cushion effect at this moment.
Coupling of vehicles energy disperser of the present utility model, pre-tightening mechanism can not adopt, and only needs lengthening mandrel rear portion get final product, when forwardly recoil spring was compressed, the mandrel of lengthening can not deviate from from baffle plate, and when installing directly and the flange installation get final product.
Coupling of vehicles energy disperser of the present utility model, pre-tightening mechanism can also adopt at the rear portion of mandrel hierarchic structure is set, and can adopt nut to cooperate the locking pretension with this hierarchic structure, can realize the effect of pretension equally.
Coupling of vehicles of the present utility model is with in the energy disperser, and fastener can also adopt other structure, and the every structure that can closely fix and be used for baffle ring or recoil spring retaining with the sleeve rear portion all falls into protection domain of the present utility model.
Claims (9)
1. coupling of vehicles energy disperser, comprise that mandrel and gap are sleeved on the sleeve on the mandrel, be divided into two cavitys by a dividing plate in this sleeve, be respectively equipped with string in two cavitys and be contained in recoil spring on the mandrel, the two ends of two recoil springs are resisted against respectively on sleeve and the mandrel, it is characterized in that: described dividing plate is located at the middle part of mandrel, and the two ends of sleeve are respectively equipped with the retaining edge of replacing forward and backward recoil spring.
2. coupling of vehicles energy disperser according to claim 1 is characterized in that: described one of them retaining edge is that one is connected with sleeve, and another retaining is along the fastener of captiveing joint with sleeve that is contained in for string on the mandrel.
3. coupling of vehicles energy disperser according to claim 2 is characterized in that: described fastener and being resisted against is provided with string and is contained in baffle ring on the mandrel between the recoil spring of this fastener.
4. coupling of vehicles energy disperser according to claim 3 is characterized in that: described mandrel is provided with the pre-tightening mechanism that is used to replace baffle ring, and this pre-tightening mechanism cooperates for the slip sleeve with described fastener.
5. coupling of vehicles energy disperser according to claim 4 is characterized in that: described pre-tightening mechanism is two nuts of replacing mutually that are screwed onto on the mandrel.
6. coupling of vehicles energy disperser according to claim 2 is characterized in that: an end relative with fastener on the described mandrel is fixed with the portion of mounting.
7. coupling of vehicles energy disperser according to claim 6 is characterized in that: the described portion of mounting comprises hook and the installation sleeve that is connected with hook, and this installation sleeve is sleeved on the mandrel end and connects by dowel fixes.
8. coupling of vehicles energy disperser according to claim 7 is characterized in that: described hook is the annular hook.
9. coupling of vehicles energy disperser according to claim 2 is characterized in that: described fastener is that flange is connected with sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202678007U CN201736750U (en) | 2010-07-22 | 2010-07-22 | Buffer for vehicle coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202678007U CN201736750U (en) | 2010-07-22 | 2010-07-22 | Buffer for vehicle coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201736750U true CN201736750U (en) | 2011-02-09 |
Family
ID=43552033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202678007U Expired - Fee Related CN201736750U (en) | 2010-07-22 | 2010-07-22 | Buffer for vehicle coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201736750U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110182007A (en) * | 2019-05-30 | 2019-08-30 | 江苏师范大学 | A kind of flexible drawing drag hook of electrically propelled traction vehicle |
-
2010
- 2010-07-22 CN CN2010202678007U patent/CN201736750U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110182007A (en) * | 2019-05-30 | 2019-08-30 | 江苏师范大学 | A kind of flexible drawing drag hook of electrically propelled traction vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202368279U (en) | Telescopic pintle hook device and automobile comprising same | |
| CN201736750U (en) | Buffer for vehicle coupling | |
| CN202147802U (en) | Shock absorber for bicycle | |
| CN104527895B (en) | Motor vehicle and the brake of electric motor car mechanical brake type | |
| CN202319768U (en) | Bidirectional buffering traction device | |
| CN203157648U (en) | Balanced suspension system using cone-shaped rubber bearings | |
| CN205905766U (en) | Pull rod assembly is connected to water tank with adjustable | |
| CN201350920Y (en) | Damping mechanism of front wheels of baby carriages | |
| CN201083244Y (en) | Lock adjusting equipment | |
| CN210337570U (en) | Oil tank strap locking mechanism | |
| CN201291714Y (en) | Beach vehicle rear-wheel spindle assembly | |
| CN202381633U (en) | Tensioning pulley assembly of engine | |
| CN102358119A (en) | Full-trailer towing hook | |
| CN204845902U (en) | Security car | |
| CN201825030U (en) | Automobile soft brake relay valve | |
| CN207141046U (en) | A kind of brake pedal pedal arm connecting rod ASSY | |
| CN201554755U (en) | Novel combined-type tyre nut | |
| CN204340584U (en) | A kind of propelling rod and bushing mounting structure | |
| CN204900708U (en) | Automobile engine uses automatic belt tensioner | |
| CN110816185A (en) | Novel rear lower spring arm | |
| CN111706621A (en) | Output flange of motor for pure electric vehicle | |
| CN219487094U (en) | Buffer type traction rod for vehicle | |
| CN204567174U (en) | The shock resistance eye hitch assembly of buffering is realized by spring | |
| CN211567547U (en) | Rear wheel final shaft assembly for motorcycle | |
| CN108482007B (en) | Driving wheel for buffer type automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20150722 |
|
| EXPY | Termination of patent right or utility model |