CN2832584Y - Movable chair backrest locking device of tractor and low speed car - Google Patents
Movable chair backrest locking device of tractor and low speed car Download PDFInfo
- Publication number
- CN2832584Y CN2832584Y CN 200520087466 CN200520087466U CN2832584Y CN 2832584 Y CN2832584 Y CN 2832584Y CN 200520087466 CN200520087466 CN 200520087466 CN 200520087466 U CN200520087466 U CN 200520087466U CN 2832584 Y CN2832584 Y CN 2832584Y
- Authority
- CN
- China
- Prior art keywords
- backrest
- seat
- locking
- seat frame
- fixed plates
- 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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- Seats For Vehicles (AREA)
Abstract
The utility model discloses a movable chair backrest locking device of a tractor and a low speed car, which comprises fixed plates of a seat frame fixedly arranged at both sides of a seat frame; locking discs of a backrest are arranged at the inner sides of the fixed plates of a seat frame by hinge shafts; a plurality of plow grooves are arranged at the lower ends of the locking discs of a backrest; rocker arms hinged at the inner sides of the fixed plates of a seat frame are arranged under the hinge shafts; locking shafts of the plow grooves which correspond to the plow grooves are arranged at the end parts of horizontal arms of the rocker arms; the end parts of the vertical arms of the rocker arms are connected with locking springs of which other ends are connected to the fixed plates of a seat frame; handles stretched forward are fixedly connected to hinged positions of the rocker arms; shaft shoulders are arranged at the end parts of the locking shafts of the plow grooves. Compared with the locking device arranged at a single surface, the utility model which is provided with the locking devices of the backrest arranged at both sides of chair has the advantages of firm and reliable structure, high safety coefficient, no safety hazard, simple structure, convenience for mass production and low cost.
Description
Technical field
The utility model relates to a kind of blocking device that is used for trac., low-speed cars seat movable back.
Background technology
Trac., low-speed cars seat majority adopt the fixed type backrests at present, and seat can only be regulated whole front and back, and backrest can not be regulated.For improving the traveling comfort of seat, the problem of having a short interval behind the solution driver fatigue, have backrest is changed into is movable adjustable, but adopt the single face blocking device, because specific installation site and the environment for use of seat on trac., low-speed cars, the backrest of this single face locking form is unreliable, easily causes potential safety hazard, jeopardizes the chaufeur personal safety.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of safe and reliable trac., low-speed cars seat movable back blocking device.
For solving the problems of the technologies described above, the utility model comprises the seat skeletal fixation plate that is installed in skeleton both sides, seat, and its constructional feature is by jointed shaft the backrest locking disk to be installed in the inboard of seat skeletal fixation plate, and backrest locking disk lower end has a plurality of grooves; The rocking arm that is hinged on skeletal fixation plate inboard, seat is installed below jointed shaft; the end of the horizontal arm of rocking arm is fixed with and the cooresponding channel locks dead axle of groove; the end of the vertical arm of rocking arm is connected with the locking spring; the other end of locking spring is connected on the seat skeletal fixation plate, is connected with the handle that protracts at the hinge point place of rocking arm.
The end of described channel locks dead axle is provided with the shaft shoulder.
Be provided with the backrest adapter plate between backrest and backrest locking disk, the backrest adapter plate is provided with and the cooresponding positioning groove of backrest locking disk.
After adopting said structure, owing to be provided with the backrest blocking device in the both sides of seat, compare with the single face blocking device, its sound construction, reliable, the safety factor height, adopt locking spring locking rocker arm, the channel locks dead axle can oneself not deviate from, no potential safety hazard, simultaneously, have a plurality of grooves in backrest locking disk lower end, seat can fold, tilt, and seat takes up room little when bulk transport, and is provided with the shaft shoulder in the end of channel locks dead axle, prevent that the channel locks dead axle from deviating from groove, reliability further improves.And the parts of this device are blanked part, and are simple in structure, are convenient to produce in enormous quantities, and productive costs is low.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail:
The structural representation that Fig. 1 analyses and observe from the centre for the utility model;
Fig. 2 is the A-A local structure scheme drawing of Fig. 1.
The specific embodiment
With reference to accompanying drawing, this trac., low-speed cars seat movable back blocking device comprise the seat skeletal fixation plate 4 that is installed in skeleton both sides, seat, inboard at seat skeletal fixation plate 4 is equipped with backrest locking disk 2 by jointed shaft 3, backrest locking disk 2 can rotate around jointed shaft 3, and backrest locking disk 2 lower ends have a plurality of grooves 10; The rocking arm 6 that is hinged on skeletal fixation plate 4 inboards, seat is installed below jointed shaft 3; rocking arm 6 is installed between seat skeletal fixation plate 4 and the backrest locking disk 2; end of the horizontal arm of rocking arm 6 is fixed with and groove 10 cooresponding channel locks dead axles 5; end of the vertical arm of rocking arm 6 is connected with locking spring 7; other end of locking spring 7 is connected on the seat skeletal fixation plate 4; be connected with the handle 8 that protracts at the hinge point place of rocking arm 6; rocking arm 6; handle 8 is hinged by fixed pin shaft 9 and seat skeletal fixation plate 4; wherein; between handle 8 and the rocking arm 6 for captiveing joint; and rocking arm 6 together with between handle 8 and the seat skeletal fixation plate 4 for being rotationally connected; handle 8 is in the outside of seat skeletal fixation plate 4; by pulling handle 8, can make channel locks dead axle 5 and groove 10 disengagings or locks.Be provided with the shaft shoulder 11 in the end of channel locks dead axle 5, prevent that the channel locks dead axle from deviating from groove, be provided with backrest adapter plate 1 between backrest and backrest locking disk 2, backrest adapter plate 1 is provided with and backrest locking disk 2 cooresponding positioning grooves, and it is more convenient that backrest is installed.
Claims (3)
1, a kind of trac., low-speed cars seat movable back blocking device, comprise the seat skeletal fixation plate (4) that is installed in skeleton both sides, seat, it is characterized in that by jointed shaft (3) backrest locking disk (2) being installed in the inboard of seat skeletal fixation plate (4), backrest locking disk (2) lower end has a plurality of grooves (10); The rocking arm (6) that is hinged on seat skeletal fixation plate (4) inboard is installed in the below of jointed shaft (3); the end of the horizontal arm of rocking arm (6) is fixed with and the cooresponding channel locks dead axle of groove (10) (5); the end of the vertical arm of rocking arm (6) is connected with locking spring (7); the other end of locking spring (7) is connected on the seat skeletal fixation plate (4), is connected with the handle (8) that protracts at the hinge point place of rocking arm (6).
2, trac. according to claim 1, low-speed cars seat movable back blocking device is characterized in that the end of described channel locks dead axle (5) is provided with the shaft shoulder (11).
3, trac. according to claim 1, low-speed cars seat movable back blocking device, it is characterized in that being provided with backrest adapter plate (1) between backrest and backrest locking disk (2), backrest adapter plate (1) is provided with and the cooresponding positioning groove of backrest locking disk (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520087466 CN2832584Y (en) | 2005-09-22 | 2005-09-22 | Movable chair backrest locking device of tractor and low speed car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520087466 CN2832584Y (en) | 2005-09-22 | 2005-09-22 | Movable chair backrest locking device of tractor and low speed car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2832584Y true CN2832584Y (en) | 2006-11-01 |
Family
ID=37196900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520087466 Expired - Fee Related CN2832584Y (en) | 2005-09-22 | 2005-09-22 | Movable chair backrest locking device of tractor and low speed car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2832584Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104260659A (en) * | 2014-09-29 | 2015-01-07 | 上海延锋江森座椅有限公司 | Locking mechanism |
| CN107298040A (en) * | 2017-07-21 | 2017-10-27 | 厦门佳松工贸有限公司 | One kind leans against adjustable seat |
| CN108583383A (en) * | 2018-05-29 | 2018-09-28 | 江苏敏安电动汽车有限公司 | Seat-ejection system, seat and vehicle |
| CN108891607A (en) * | 2018-08-07 | 2018-11-27 | 晨龙飞机（荆门）有限公司 | A kind of aircraft inner cavity adjusts the regulating device of chair |
-
2005
- 2005-09-22 CN CN 200520087466 patent/CN2832584Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104260659A (en) * | 2014-09-29 | 2015-01-07 | 上海延锋江森座椅有限公司 | Locking mechanism |
| CN104260659B (en) * | 2014-09-29 | 2016-08-24 | 上海延锋江森座椅有限公司 | A kind of locking mechanism |
| CN107298040A (en) * | 2017-07-21 | 2017-10-27 | 厦门佳松工贸有限公司 | One kind leans against adjustable seat |
| CN108583383A (en) * | 2018-05-29 | 2018-09-28 | 江苏敏安电动汽车有限公司 | Seat-ejection system, seat and vehicle |
| CN108583383B (en) * | 2018-05-29 | 2023-09-12 | 江苏敏安电动汽车有限公司 | Seat ejection system, seat and vehicle |
| CN108891607A (en) * | 2018-08-07 | 2018-11-27 | 晨龙飞机（荆门）有限公司 | A kind of aircraft inner cavity adjusts the regulating device of chair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061101 Termination date: 20091022 |