CN205255916U - A connect conversion ball cover for trailer and tractor - Google Patents
A connect conversion ball cover for trailer and tractor Download PDFInfo
- Publication number
- CN205255916U CN205255916U CN201521141355.9U CN201521141355U CN205255916U CN 205255916 U CN205255916 U CN 205255916U CN 201521141355 U CN201521141355 U CN 201521141355U CN 205255916 U CN205255916 U CN 205255916U
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- ball
- ball cover
- double
- screw bolt
- card
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Abstract
The utility model discloses a connect conversion ball cover for trailer and tractor belongs to vehicle pulling equipment field, including ball cover board, hasp, handle, latch hook, ball card, double -screw bolt, the front end of ball cover board is the evagination arc, and ball cover board and ball card cooperation vacuole formation are used for fixed tractor trailer ball, and the rear end of ball cover board is U -shaped groove form, and division there are a plurality of fixed orificess on its surface, the latch hook is T shape, the upper end and the handle elasticity swing joint of latch hook, and the latch hook lower extreme is connected with the hasp, the top is through short rivet and handle swing joint on the double -screw bolt, and the double -screw bolt lower extreme runs through hasp, ball cover board, ball card in proper order, and the double -screw bolt outside cover that lies in between ball cover board and ball card has thin pressure spring, and the double -screw bolt outside cover that lies in ball card lower extreme has a thick pressure spring, slightly is equipped with locknut on the double -screw bolt of pressure spring lower extreme, and the one end of ball card is equipped with long rivet, and install on the ball cover board at long rivet both ends. This ball cover realization tractor pulls the trailer, and structural design is reasonable, installation convenient to use, and the security is high.
Description
Technical field
The utility model relates to and a kind ofly mates the connection transfer device of use, tool with tractor-trailer ball and tow arm beam size simultaneouslyBody relates to a kind of for trailer and being connected of tractor changing ball cover, belongs to vehicle pulling equipment field.
Background technology
Automobile towing ball, trailer ball cover and trailer linking arm are the Trailer tools being combined with, and tow ball is fastenedly connected on arm,Trailer ball cover cover tow ball and by front wheel driving vehicle with after be pulled trailer, the means of transport such as pull and be connected. At present, along withGrowth in the living standard, carry caravan go on a tour more and more general, sometimes use automobile (tractor) and trailer (caravan) onLack trailer ball cover, cause realizing by tow ball the connection traction of automobile and trailer, trip is inconvenient.
Summary of the invention
The problem existing for above-mentioned prior art, it is a kind of for trailer and being connected of tractor changing ball cover that the utility model provides,Effectively realize the traction that is connected of automobile and trailer, easy to install, safe.
To achieve these goals, what the utility model adopted is a kind of for trailer and being connected of tractor changing ball cover, comprises ballCover plate, be arranged on snap close on ball cover plate, be arranged on handle on snap close, be arranged on handle and with the latch hook of snap fit,Be arranged on the ball card of ball cover plate downside and for connecting the double-screw bolt of ball cover plate and handle;
The front end of described ball cover plate is outer convex, coordinates formation cavity to drag for fixed traction car by curve cover plate with ball cardCar ball, the rear end of ball cover plate is U-lag shape, ball cover plate rear end surface has some for connecting the fixing hole of tow arm beam;
Described latch hook is T shape, and the upper end of latch hook is flexibly connected with handle elastic, and latch hook lower end is connected with snap close;
On described double-screw bolt, top is flexibly connected with described handle by short rivet, and double-screw bolt lower end is run through snap close, ball cover plate, ball successivelyCard, the double-screw bolt outside cover being positioned between ball cover plate and ball card has thin stage clip, and the double-screw bolt outside cover that is positioned at ball card lower end has thick stage clip, thickOn the double-screw bolt of stage clip lower end, stop nut is housed, one end of described ball card is provided with the long rivet for fixing ball card, long rivet two endsBe arranged on ball cover plate.
As improvement, the upper end of described double-screw bolt also has some lockholes of wearing.
As improvement, between described ball card and thick stage clip, be provided with pad.
As improvement, described snap close is that side is L shaped, and snap close rear end is provided with the breach coordinating with latch hook;
The lower end of described latch hook is provided with crotch, and described crotch is arranged in the breach of snap close.
As improvement, upper end one side of described latch hook is movably arranged in handle, and installation place is provided with turning round for latch hook elastic rotationTurn spring.
The utility model, by adopting ball cover plate to coordinate the installation requirements that realize different size tow ball with ball card, is pacified tow ballBe contained in ball cover plate and ball card and form in cavity fixingly, the rear end of ball cover plate is connected fasteningly simultaneously with tow arm beam, can pass through to be somebody's turn to doBall cover is realized the traction of tractor to trailer, and reasonable in design is easy to install, safe.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is internal view of the present utility model;
In figure: 1, ball cover plate, 2, ball card, 3, snap close, 4, latch hook, 5, handle, 6, double-screw bolt, 7, thin stage clip, 8,Thick stage clip, 9, torsionspring, 10, short rivet, 11, stop nut, 12, long rivet, 13, pad, 14, wear lockhole,15, fixing hole.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage more cheer and bright, below by accompanying drawing and embodiment, rightThe utility model is further elaborated. But should be appreciated that, specific embodiment described herein is only in order to explain thisUtility model, is not limited to scope of the present utility model.
As shown in Figure 1 and Figure 2, a kind of for trailer and being connected of tractor changing ball cover, comprise ball cover plate 1, be arranged on ball coverSnap close 3 on plate 1, be arranged on handle 5 on snap close 3, be arranged on the latch hook 4 that coordinates on handle 5 and with snap close 3, installAt the ball card 2 of ball cover plate 1 downside and for connecting the double-screw bolt 6 of ball cover plate 1 and handle 5;
The front end of described ball cover plate 1 is outer convex, coordinates form cavity for fixedly leading by curve cover plate 1 with ball card 2Draw car tow ball, the rear end of ball cover plate 1 is U-lag shape, and ball cover plate rear end surface has some for connecting consolidating of tow arm beamDetermine hole 15;
Described latch hook 4 is T shape, the upper end of latch hook 4 and handle 5 elastic movable supports, and latch hook 4 lower ends are connected with snap close 3;
On described double-screw bolt 6, top is flexibly connected with described handle 5 by short rivet 10, double-screw bolt 6 lower ends run through successively snap close 3,Ball cover plate 1, ball card 2, the double-screw bolt outside cover being positioned between ball cover plate 1 and ball card 2 has thin stage clip 7, is positioned at the spiral shell of ball card 2 lower endsPost outside cover has thick stage clip 8, on the double-screw bolt of thick stage clip 8 lower ends, stop nut 11 is housed, one end of described ball card 2 be provided with forThe long rivet 12 of fixing ball card 2, long rivet 12 two ends are arranged on ball cover plate 1.
As the improvement of embodiment, the upper end of described double-screw bolt 6 also has some lockholes 14 of wearing, and this ball cover is between tractor and trailerAfter installing, in lockhole 14, put again lock and avoid ball cover to get loose wearing.
As the improvement of embodiment, between described ball card 2 and thick stage clip 8, be provided with pad 13, effectively protect the complete of ball card 2, keep awayExempt from excessive friction between ball card 2 and thick stage clip 8 and affect serviceability.
As the improvement of embodiment, described snap close 3 is that side is L shaped, and snap close 3 rear ends are provided with the breach coordinating with latch hook 4;
The lower end of described latch hook 4 is provided with crotch, and described crotch is arranged in the breach of snap close 3.
As the improvement of embodiment, upper end one side of described latch hook 4 is movably arranged in handle 5, and installation place is provided with for latch hookThe torsionspring 9 of 4 elastic rotations.
When use, first by the fixing hole 15 on ball cover plate rear end, this ball cover is connected with tow arm beam, then pull-up latch hook 4 is mentionedHandle 5, there is upwards deformation in the snap close 3 being now connected with latch hook 4, cause under the elastic reaction of thin stage clip 7, thick stage clip 8The front end of ball cover plate 1 is opened, and the front end of ball cover plate 1 is packed on the tow ball of tractor of corresponding automobile tail, now complies withSynergy by ball cover plate 1 with ball card 2, is fixed in ball cover plate 1 tow ball, then unclamps latch hook 4 and set level handle 5,Then pass lockhole 14 by lock this ball cover is fixed, effectively avoid ball cover to get loose. This ball cover reasonable in design, installsEasy to use, be suitable for vehicle wide, safe.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all new in this practicalityAny amendment of doing within the spirit of type and principle, be equal to and replace or improvement etc., all should be included in protection model of the present utility modelWithin enclosing.
Claims (5)
1. change a ball cover for trailer and being connected of tractor, it is characterized in that, comprise ball cover plate (1), be arranged on ball coverSnap close (3) on plate (1), be arranged on handle (5) on snap close (3), be arranged on handle (5) upper and with snap close (3)The latch hook (4) that coordinates, be arranged on the ball card (2) of ball cover plate (1) downside and for connecting ball cover plate (1) and handle (5)Double-screw bolt (6);
The front end of described ball cover plate (1) is outer convex, coordinates form cavity use by curve cover plate (1) with ball card (2)In fixed traction car tow ball, the rear end of ball cover plate (1) is U-lag shape, ball cover plate rear end surface have some for connect dragThe fixing hole (15) of car arm beam;
Described latch hook (4) is T shape, the upper end of latch hook (4) and handle (5) elastic movable supports, latch hook (4) lower end withSnap close (3) connects;
The upper top of described double-screw bolt (6) is flexibly connected with described handle (5) by short rivet (10), and double-screw bolt (6) lower end successivelyRun through snap close (3), ball cover plate (1), ball card (2), the double-screw bolt outside cover being positioned between ball cover plate (1) and ball card (2) has thinStage clip (7), the double-screw bolt outside cover that is positioned at ball card (2) lower end has thick stage clip (8), on the double-screw bolt of thick stage clip (8) lower end, is equipped withStop nut (11), one end of described ball card (2) is provided with the long rivet (12) for fixing ball card (2), long rivet (12)Two ends are arranged on ball cover plate (1).
2. according to claim 1 a kind of for trailer and being connected of tractor changing ball cover, it is characterized in that described spiral shellThe upper end of post (6) also has some lockholes (14) of wearing.
3. according to claim 1 a kind of for trailer and being connected of tractor changing ball cover, it is characterized in that described ballBetween card (2) and thick stage clip (8), be provided with pad (13).
4. according to claim 1 a kind of for trailer and being connected of tractor changing ball cover, it is characterized in that described lockButton (3) is that side is L shaped, and snap close (3) rear end is provided with the breach coordinating with latch hook (4);
The lower end of described latch hook (4) is provided with crotch, and described crotch is arranged in the breach of snap close (3).
5. according to claim 1 a kind of for trailer and being connected of tractor changing ball cover, it is characterized in that described lockUpper end one side of hook (4) is movably arranged in handle (5), and installation place is provided with the torsionspring for latch hook (4) elastic rotation(9)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521141355.9U CN205255916U (en) | 2015-12-31 | 2015-12-31 | A connect conversion ball cover for trailer and tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521141355.9U CN205255916U (en) | 2015-12-31 | 2015-12-31 | A connect conversion ball cover for trailer and tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205255916U true CN205255916U (en) | 2016-05-25 |
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ID=55997464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521141355.9U Active CN205255916U (en) | 2015-12-31 | 2015-12-31 | A connect conversion ball cover for trailer and tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205255916U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114379629A (en) * | 2020-10-19 | 2022-04-22 | 东莞沐秦智能科技有限公司 | Trailer |
-
2015
- 2015-12-31 CN CN201521141355.9U patent/CN205255916U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114379629A (en) * | 2020-10-19 | 2022-04-22 | 东莞沐秦智能科技有限公司 | Trailer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A connecting conversion ball cover for trailer and tractor Effective date of registration: 20210802 Granted publication date: 20160525 Pledgee: Bank of China Limited by Share Ltd. Foshan branch Pledgor: FOSHAN KINGHORN MACHINERY Co.,Ltd. Registration number: Y2021440000249 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |