CN2570402Y - Lock for automobile bonnet - Google Patents

Abstract

The utility model relates to a lock for a front cover of an automobile, which is capable of ensuring safety and reserves an outer ratchet pawl of the existing lock. The utility model is characterized in that the utility model is provided with a rotary lock hook pivoted to a lock body through a middle shaft provided with an opening; the middle shaft is assembled with an opening coil spring. The upper part of the lock hook provided with a hook, and the lower part is provided with a guide sleeve; the interior of the guide sleeve is provided with a compression spring and a positioning pin; a positioning hole is connected to the right side of the positioning pin, and an opening pull wire is connected to the left side of the positioning pin; a hook connected with an inner ratchet pawl of the lock is arranged on the left side of the lock hook. At the moment when a lock catch on the front cover of the automobile is downwards pressed, the lock hook can rotate in 45 DEG around the lock catch and firmly hooks the lock catch, and the positioning pin also enters; the positioning hole arranged on the lock body and the hook on the left side of the lock hook are also hooked by the inner ratchet pawl of the lock, and the safety purpose is achieved.

Description

Hood lock before the automobile

The utility model relates to hood lock before a kind of automobile, especially has alignment pin insure at the full lock device, have the lock hook and the interior ratchet of lock that can rotate to lock, and outer ratchet, the preceding hood lock of automobile are locked in reservation.

At present, hood lock before the known automobile is being fixed snap close on the cover, fixing lock body on the vehicle body, and ratchet is being fixed at the back side of lock body, has two lock hooks and a tension spring to form in the lock body.This lockable mechanism locking and opening, all be to utilize a tension spring to finish, the moment of locking, just possessed the full strength that opens, snap close before the automobile on the cover, just as the arrow that stands on the string of drawing full, the possibility of being gone by ejaculation is all arranged at any time, and locking outer ratchet is the top of single-arm suspension at hood lock, and the safety factor of its interception is not absolutely, so automobile is in the middle of travelling normally, the preceding cover of automobile, the time have the fact opened by the top to occur, many incidents that therefore cause car crash are also arranged, this problem has caused people's great attention, a lot of in the world countries, the way of all using legislation to advise is forced security constraint to these parts, the automobile management department of our country also is specified to these parts one of project of active safety mandatory requirement with reference to No. 113 data of United States of America connection group.

The purpose of this utility model provides a kind ofly has alignment pin to insure, and has in the lock hook that can rotate and the lock ratchet lock, keeps the preceding hood lock of the automobile of locking outer ratchet, and it not only is perfectly safe reliably, can also satisfy to open convenient, flexible requirement.

The utility model is to realize like this, condition at existing snap close on the automobile cover and ratchet nest, on lock body, designed a lock hook that can rotate, lock hook has the axis of opening to be riveted on the lock body by one, assembling on the axis of opening and opening ring spring, this lock hook top is to collude, the bottom is a guide pin bushing, assembling compression spring and alignment pin in the guide pin bushing, the direction that the left side of lock hook opens in backguy, designing on the lock hook can be by colluding that ratchet in the lock catches on, ratchet is fixed on the lock body by pawl axis in the lock, assembling return spring on the pawl axis. when the moment that the preceding cover of automobile presses down, lock hook by automobile before the pressure of snap close on the cover, guiding on lock body is colluded groove, when moving down, lock hook around automobile before 45 ° of snap close rotations on the cover, the firm snap close on the preceding cover of automobile catches on, meanwhile, lock outer ratchet and entered the ratchet nest, lock hook bottom, the alignment pin in the guide pin bushing, also be compressed spring, thrust in the locating hole of design on lock body, ratchet has also caught on the lock hook in the lock, the colluding of the left side, form length and closed state, reached safe and reliable purpose.When will open, the left end of alignment pin is sealing the switch plug, connecting and opening backguy, the other end of backguy is assemblied in scratching on hand of driver's cabin, pulls stingy handgrip alignment pin and pulls out locating hole, rushes open ratchet in the lock, by the ring spring that opens that is assemblied on the axis, snap close on the automobile cover is released lock body by force, form length and open state, satisfied the convenient, flexible condition that opens.

The technical solution of the utility model is to keep the outer ratchet of lock; utilize the lock hook that click-fit can be rotated in the lock; close the preceding cover of automobile; alignment pin is done safeguard protection in the lock, and automobile is used this preceding hood lock, from structure certainly; no matter automobile is in what speed; travel on what road conditions, or else the preceding cover of automobile can be run automatically and be held, and can stop all accidents by the dangerous initiation of these parts.

Below in conjunction with drawings and Examples the utility model is further specified.

To be that this reality is novel close constructional drawing under the state long to Fig. 1.

Among the figure 1, lock hook; 2, lock body; 3, opening axis; 4, open ring spring; 5, guide pin bushing; 6, alignment pin; 7, compression spring; 8, the outer ratchet of lock; 9, switch plug; 10, moving bar; 11, locating hole; 12, open the axis of guide; 13, backguy dop; 14, backguy; 15, ratchet in the lock; 16, return spring; 17, the outer pawl axis of lock; 18, snap close; 20, ratchet return spring in the lock; 21, the snap close guiding is colluded groove.

Snap close (18) and the outer ratchet nest of lock are the known conditions that is fixed on the cover in the drawings, lock body (2), fasten by securing member on the vehicle body of automobile, lock hook (1) is riveted on the lock body by the opening axis, open ring spring (4), be assemblied on the axis (3), collude on lock hook (1) in its force, guide pin bushing (5) and lock hook (1) are one, bottom for lock hook (1), assembling location lock (6) and compression spring (7) in the guide pin bushing (5), lock between outer ratchet (8) and the lock body (2) and assembling a return spring (16), switch plug (9), be riveted on the alignment pin (6), moving bar (10) is assemblied on the lock body (2) by opening the axis of guide (12), left end is assembling backguy (14) right-hand member and is catching on switch plug (9), locating hole (11), open on lock body (2), with lock (6) corresponding position, location, ratchet (15) in the lock, by locking interior ratchet (19), be riveted on the lock body (2), ratchet (15) top colludes in the lock, colluding colluding of lock hook (1) left side, assembling on the sour jujube axle (19) in the lock to return and be spring (20), backguy dop (13) is stuck on the lock body (2), mounted inside backguy (14), and guiding is colluded groove (21) and opened at lock body (2) and lock hook (1) cooperation closed lock (19).

Claims (3)

1, hood lock before a kind of automobile, ratchet outside lock is being fixed at the back side of lock body has a tension spring to haul two lock hooks in lock body, it is characterized in that: assembling a lock hook that can rotate on the lock body of redesign, lock hook is to have the axis of opening to be riveted on the lock body by one, on the axis of opening, assembling and opening ring spring, this lock hook, top is to collude, the bottom is a guide pin bushing, is assembling alignment pin and compression spring in the guide pin bushing, and the left side of lock hook has can be by colluding that ratchet in the lock catches on.

2, according to hood lock before the power 1 described automobile, it is characterized in that: colluding of the left side of lock hook, connecting ratchet in the lock, ratchet in the lock is to be riveted on the lock body by pawl axis, is assembling return spring on the pawl axis.

3, according to hood lock before the right 1 described automobile, the alignment pin in its feature lock hook lower guide cover is sealing the switch plug, is connecting to open backguy, and the right of alignment pin is compressed spring and is connected with locating hole on the lock body by force.