CN202124014U - Movable back protective net for semi-trailer - Google Patents
Movable back protective net for semi-trailer Download PDFInfo
- Publication number
- CN202124014U CN202124014U CN2011201994463U CN201120199446U CN202124014U CN 202124014 U CN202124014 U CN 202124014U CN 2011201994463 U CN2011201994463 U CN 2011201994463U CN 201120199446 U CN201120199446 U CN 201120199446U CN 202124014 U CN202124014 U CN 202124014U
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- CN
- China
- Prior art keywords
- back protection
- protection
- lower section
- hinge
- trailer
- 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
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Abstract
The utility model relates to the technical field of back protection devices of transport vehicles and particularly relates to a movable back protective net for a semi-trailer, comprising a vertical brace and a transverse brace, wherein the vertical brace is divided into an upper section and a lower section, a hinge is arranged between the upper section and the lower section, a positive stop block is arranged at one side of the opening and closing part of the hinge, the top of the upper section of the vertical brace is connected with a girder, and the bottom end of the lower section of the vertical brace is connected with the transverse brace. With the adoption of the movable back protective net for the semi-trailer, the vertical brace is divided into the upper section and the lower section, and the upper section and the lower section are connected through the hinge and form a turnable structure, thereby when the movable back protective net meets an object higher than the ground and collides with back protection, the back protection automatically turns up; after avoiding the ground object, the back protection is pulled back in situ by a tension spring, thereby damage of the back protection is avoided, and the damage replacement rate of the back protection is reduced; and through the positive stop block and the tension spring, during the driving process of a vehicle, the back protection keeps a vertical state when not colliding with the object higher than the ground and has the protection action to a following vehicle.
Description
Technical field
The utility model relates to a kind of back protective device technical field of transport vehicle, the movable back of particularly a kind of superimposed trailer grille guard.
Background technology
If superimposed trailer is not installed the rear defence protection unit under steam; In case front vehicle and trailer knock into the back; Can cause the safety air bag and the safety strap of front vehicle malfunctioning; Bring fatal harm can for the rear chaufeur, in order to prevent the generation of above-mentioned pernicious traffic accident, national legislation stipulates that clearly superimposed trailer must install the back protective device.The back protective device of superimposed trailer is generally taked after pushing up superimposed trailer on the back protection main body, to seal the frame lower edge in the market, and is integrally welded with the superimposed trailer longeron, protective device after the welding back-up block that tilts is again reinforced.The structure of protective device is movable not behind this kind superimposed trailer; When in the vehicle operating process, running into object above ground level like this, there is the danger that bumps with back protection stull, causes back protective device distortion; Not only do not have protective action, also influence the crossing ability of superimposed trailer.
The utility model content
The back protective device runs into object above ground level through the difficult technologies problem to the utility model in the superimposed trailer driving process in order to solve, and the movable back of a kind of superimposed trailer grille guard is provided,
It is following that the utility model solves the problems of the technologies described above the technical scheme of being taked:
The movable back of a kind of superimposed trailer grille guard comprises upright support and stull, and said upright support is divided into two sections, is provided with hinge between the two sections, and opening and closing place one side of hinge is established a limiting stopper; The epimere top of said upright support is connected with crossbeam, and the hypomere bottom is connected with stull.
Establish an extension spring between said upright support and the crossbeam.
The upright support of the utility model is divided into two sections, is connected by hinge, forms turning structure; Running into object above ground level and rear defence hair care gives birth to when colliding; Back protection can be dug automatically, avoid ground object after, extension spring retracts original position with back protection; Avoid damaging the back protection, reduce the damage turnover rate of back protection.Make vehicle in driving process through limiting stopper and extension spring, back protection does not keep plumbness when not running into object above ground level, and the back car is played a protective role.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the lateral plan of the utility model.
The specific embodiment
The utility model provides the movable back of a kind of superimposed trailer grille guard, comprises upright support 2 and stull 1, and said upright support 2 is divided into two sections, is provided with hinge 7 between following two sections, and opening and closing place one side of hinge 7 is established a limiting stopper 4; The epimere top of said upright support 2 is connected with crossbeam 3, and the hypomere bottom is connected with stull 1, welding extension spring adapter plate 5 in the said upright support 1; Extension spring adapter plate 5 connects extension spring 6, and the other end of extension spring 6 connects crossbeam 3, forms turning structure; Run into object above ground level and rear defence hair care and give birth to when colliding, back protection can be dug automatically, makes vehicle in driving process through limiting stopper 4 and extension spring 6; Back protection does not keep plumbness when not running into object above ground level, and the back car is played a protective role.
Claims (2)
1. the movable back of a superimposed trailer grille guard comprises upright support and stull, and it is characterized in that: said upright support (2) is divided into two sections, is provided with hinge (7) between the two sections, and opening and closing place one side of hinge (7) is established a limiting stopper (4); The epimere top of said upright support (2) is connected with crossbeam (3), and the hypomere bottom is connected with stull (1).
2. the movable back of a kind of superimposed trailer as claimed in claim 1 grille guard is characterized in that: establish an extension spring (6) between said upright support (2) and the crossbeam (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201994463U CN202124014U (en) | 2011-06-14 | 2011-06-14 | Movable back protective net for semi-trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201994463U CN202124014U (en) | 2011-06-14 | 2011-06-14 | Movable back protective net for semi-trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202124014U true CN202124014U (en) | 2012-01-25 |
Family
ID=45487083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201994463U Expired - Fee Related CN202124014U (en) | 2011-06-14 | 2011-06-14 | Movable back protective net for semi-trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202124014U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107150649A (en) * | 2017-06-29 | 2017-09-12 | 陕西汽车集团有限责任公司 | Semitrailer folding rear |
| CN112977317A (en) * | 2019-12-13 | 2021-06-18 | 北汽福田汽车股份有限公司 | Vehicle and rear lower part protection device thereof |
-
2011
- 2011-06-14 CN CN2011201994463U patent/CN202124014U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107150649A (en) * | 2017-06-29 | 2017-09-12 | 陕西汽车集团有限责任公司 | Semitrailer folding rear |
| CN112977317A (en) * | 2019-12-13 | 2021-06-18 | 北汽福田汽车股份有限公司 | Vehicle and rear lower part protection device thereof |
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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: 20120125 Termination date: 20140614 |
|
| EXPY | Termination of patent right or utility model |