CN203419013U - Turnover lock device of safety car chair - Google Patents

Abstract

The utility model discloses a turnover lock device of a safety car chair. The turnover lock device is composed of a main lock and an auxiliary lock. Lock bodies of the main lock and the auxiliary lock are L-shaped. Vertical portions of the lock bodies are fixed with a chair back, and horizontal portions of the lock bodies are fixed with a seat. The main lock and the auxiliary lock are in linkage through a steel cable. The main lock comprises a base plate, a main lever handle and a tension spring. The auxiliary lock comprises a base plate, an auxiliary lever handle and a tension spring. The upper portions of the base plates are connected with an upper arm, a shaft sleeve is arranged in the middle of the upper arm, and a bayonet is arranged on the lower portion of the upper arm. Through the novel lever handles, functions of rapid unlocking and linked unlocking of a turnover lock of the car chair are realized, and safety in riding is improved.

Description

A kind of safety vehicle seat folding lock device

Technical field

The utility model relates to automotive seat folding lock technical field, particularly relates to a kind of safety vehicle seat folding lock device.

Background technology

Folding lock is to realize a kind of device that motor vehicle seat back is connected with seat, radical function is locking, turnover and restricting vehicle back of seat angle, tradition folding lock device is, on seat both sides, a pair of folding lock is installed, wherein a side all has forward latch functions backward to backrest, the side of unblanking, opposite side only has limit function backward to backrest, makes backrest in spacing incomplete state, in the time of automobile emergency brake, just there is serious potential safety hazard in master lock single spacing.

Utility model content

In order to overcome above-mentioned the deficiencies in the prior art, the utility model provides a kind of safety vehicle seat folding lock device, can effectively solve due to spacing this problem of the potential safety hazard not exclusively causing.

The technical scheme that the utility model adopts is: a kind of safety vehicle seat folding lock device, by master key and secondary lock, formed, lock body is L-type, vertical position is fixed with the chair back, horizontal position is fixed with seat support, master key and secondary lock is to realize interlock by cable wire, its feature is: master lock mainly comprises base plate, the main handle of removing, extension spring, secondary lock mainly comprises base plate, pair is removed handle, extension spring, base plate top connects upper arm, upper arm middle part is provided with axle sleeve, bottom has bayonet socket, bayonet socket is made as erietiform, in little outer large structure can adapt to the manufacturing errors of the part that cooperatively interacts and can clamp and self-locking.

Described master removes being unblanked to remove by Y type and the main STATEMENT OF FEDERALLY SPONSORED of unblanking forms, main removing being connected with base plate by main center shaft, and the main STATEMENT OF FEDERALLY SPONSORED of unblanking is provided with secondary lock drive branch, main removing is provided with lock pin afterbody, lock pin and main removing between handle are combined to form draw-in groove, are stuck in lockpin hole, prevent lock pin play.

Described pair is removed unblanked by pair STATEMENT OF FEDERALLY SPONSORED and the pair connecting element of unblanking to link is formed, pair is removed being fixed on base plate by sub-center axle, and rotate centered by sub-center axle, the pair STATEMENT OF FEDERALLY SPONSORED of unblanking is provided with Bei Dai branch, pair is removed afterbody is provided with to lock pin, lock pin and pair are removed between handle and are combined to form draw-in groove, are stuck in lockpin hole, prevent lock pin play.

Described extension spring upper end is fixed on base plate, lower end connect main remove or pair remove upper, band pendulum lock pin upward movement, lock pin springs in the bayonet socket of upper arm, realize main remove or the pair self-return function of removing handle.

Chair back connecting bore, lockpin hole, seat support connecting bore are set on described base plate, and the base plate back side is provided with baffle plate, and when the chair back is toppled over backward, baffle plate props up upper arm bottom, the amplitude that the restriction chair back is toppled over.

Compared with prior art, the beneficial effects of the utility model are: above-mentioned automobile folding lock has been realized the linkage of unlocking of automotive seat the right and left folding lock, make foldable seat backrest convenient, and left and right folding lock is equipped with position limiting structure, strengthened occupant's safety, eliminated safe hidden trouble.

Accompanying drawing explanation

Fig. 1 is the structural representation of the utility model master lock.

Fig. 2 is the structural representation of the utility model secondary lock.

Fig. 3 is the detailed structure schematic diagram that the utility model master removes handle.

Fig. 4 is the detailed structure schematic diagram that utility model pair is removed handle.

Fig. 5 is the lateral plan that the utility model master removes handle.

Fig. 6 is the lateral plan that the utility model pair is removed handle.

In figure 1 for base plate, 2 be main remove, 3 for extension spring, 4 for pair remove, 5 for upper arm, 6 for chair back connecting bore, 7 for seat support connecting bore, 8 for lockpin hole, 9 for bayonet socket, 10 for baffle plate, 11 for axle sleeve, 12 for Y type unblank to remove, 13 be the main STATEMENT OF FEDERALLY SPONSORED of unblanking, 14 for secondary lock drive branch, 15 is that main center shaft, 16 is that lock pin, 17 is unblanked STATEMENT OF FEDERALLY SPONSORED, 18 for pair unblank to link connecting element, 19Wei Beidai branch, 20 is sub-center axle for pair, 21 is draw-in groove.

The specific embodiment

Below in conjunction with accompanying drawing, the utility model is further illustrated.

A kind of safety vehicle seat folding lock device, by master key and secondary lock, formed, lock body is L-type, and vertical position is fixed with the chair back, and horizontal position is fixed with seat support, master key and secondary lock is to realize interlock by cable wire, its feature is: master lock mainly comprises base plate 1, main removes 2, extension spring 3, and secondary lock mainly comprises that base plate 1, pair are removed 4, extension spring 3, base plate 1 top connection upper arm 5, upper arm 5 middle parts are provided with axle sleeve 11, and bottom has bayonet socket 9.

Chair back connecting bore 6, lockpin hole 8, seat support connecting bore 7 are set on described base plate 1, and base plate 1 back side is provided with baffle plate 10, and when the chair back is toppled over backward, baffle plate 10 props up upper arm 5 bottoms, the amplitude that the restriction chair back is toppled over.

Described master removes to be unblanked to remove by Y type 2 and forms with the main STATEMENT OF FEDERALLY SPONSORED 13 of unblanking 12, main removing is connected with base plate 1 by main center shaft 15 2, the main STATEMENT OF FEDERALLY SPONSORED 13 of unblanking is provided with secondary lock and drives branch 14, main removing is provided with lock pin 16 2 afterbodys, lock pin 16 and main removing between 2 are combined to form draw-in groove 21, be stuck in lockpin hole 8, prevent lock pin 16 plaies.

Described pair is removed and is consisted of pair STATEMENT OF FEDERALLY SPONSORED 17 and the pair connecting element 18 of unblanking to link of unblanking 4, pair is removed and is fixed on base plate 1 by sub-center axle 20 4, and rotate centered by sub-center axle 20, the pair STATEMENT OF FEDERALLY SPONSORED 17 of unblanking is provided with Bei Dai branch 19, pair is removed 4 afterbodys is provided with to lock pin 16, lock pin 16 and pair are removed between 4 and are combined to form draw-in groove 21, are stuck in lockpin hole 8, prevent lock pin 16 plaies.

Described extension spring 3 upper ends are fixed on base plate 1, lower end connect main remove 2 or pair remove on 4, band pendulum lock pin 16 upward movements, lock pin 16 springs in the bayonet socket 9 of upper arm 5, realize master remove 2 or pair remove the self-return function 4.

Embodiment: the utility model when mounted, base plate 1 and seat support is fixing by seat support connecting bore 7, and the axle sleeve 11 of upper arm 5 is stuck in chair back connecting bore 6, and the bayonet socket 9 of upper arm 5 bottoms is clamped lock pin 16, then with screw, pass chair back connecting bore 6, complete lock body fixing with the chair back; With cable wire two ends connect respectively main remove the secondary lock on 2 drive branch 14 and secondary remove 4 be driven branch 19, complete the interlock installation of master key and secondary lock.

During normal use after the utility model installation, the link closely bottom bayonet 9 of upper arm 5 of master key and secondary lock lock pin 16, locking back of seat for vehicle, when automobile raises speed fast, the baffle plate 10 of base plate 1 props up upper arm 5 bottoms, coordinates the link closely structure of upper arm 5 of lock pin 16, effectively prevents that the chair back from too receding; When automobile emergency brake, the link closely structure of upper arm 5 of lock pin 16, effectively prevents that the chair back from too turning forward.

When needing release, only need upwards pull Y type unblanks to remove 12, main removing can depart from the lock pin of master key and secondary lock 16 bayonet socket 9 of upper arm 5 secondary the removing of 2 interlocks 4 simultaneously, chair back seat turns down forward, vacate more space in car, after the chair back and seat support laminating, on the chair back, can place more article, increase interior space.

The utility model, by using the novel handlebar device of removing, has been realized the function of automobile folding lock quick release and linkage of unlocking, has increased Ride safety.

Claims (5)

1. a safety vehicle seat folding lock device, by master key and secondary lock, formed, lock body is L-type, vertical position is fixed with the chair back, horizontal position is fixed with seat support, master key and secondary lock is to realize interlock by cable wire, its feature is: master lock mainly comprises base plate (1), main removing (2), extension spring (3), secondary lock mainly comprises base plate (1), pair is removed (4), extension spring (3), base plate (1) top connects upper arm (5), upper arm (5) middle part is provided with axle sleeve (11), bottom has bayonet socket (9), bayonet socket (9) is made as erietiform, in little outer large structure can adapt to the manufacturing errors of the part that cooperatively interacts and can clamp and self-locking.

2. according to the safety vehicle seat folding lock device described in claim 1, its feature is: described master removes (2) to be unblanked to remove by Y type (12) and the main STATEMENT OF FEDERALLY SPONSORED (13) of unblanking are formed, main removing is connected by main center shaft (15) (2) with base plate (1), the main STATEMENT OF FEDERALLY SPONSORED (13) of unblanking is provided with secondary lock and drives branch (14), main removing is provided with lock pin (16) (2) afterbody, lock pin (16) and main removing being combined to form draw-in groove (21) between (2), be stuck in lockpin hole (8), prevent lock pin (16) play.

3. according to the safety vehicle seat folding lock device described in claim 1, its feature is: described pair is removed (4) by pair STATEMENT OF FEDERALLY SPONSORED (17) and pair connecting element (18) formation of unblanking to link of unblanking, pair is removed (4) is fixed on base plate (1) by sub-center axle (20), and rotate centered by sub-center axle (20), the pair STATEMENT OF FEDERALLY SPONSORED (17) of unblanking is provided with Bei Dai branch (19), pair is removed (4) afterbody is provided with to lock pin (16), lock pin (16) and pair are removed being combined to form draw-in groove (21) between (4), be stuck in lockpin hole (8), prevent lock pin (16) play.

4. according to the safety vehicle seat folding lock device described in claim 1, its feature is: described extension spring (3) upper end is fixed on base plate (1), lower end is connected to main removing (2) or pair is removed on (4), band pendulum lock pin (16) upward movement, lock pin (16) springs in the bayonet socket (9) of upper arm (5), realizes main removing (2) or pair are removed the self-return function of (4).

5. according to the safety vehicle seat folding lock device described in claim 1, its feature is: chair back connecting bore (6), lockpin hole (8), seat support connecting bore (7) are set on described base plate (1), base plate (1) back side is provided with baffle plate (10), when the chair back is toppled over backward, baffle plate (10) props up upper arm (5) bottom, has limited the amplitude that the chair back is toppled over.

Images