CN200967460Y - Flat tube plug hole self-locking type automobile theft-proof lock - Google Patents

Abstract

The utility model discloses a flat-tube jack self-locked automobile anti-theft lock applied to lock the steering wheel of automobile, and comprises a lock body (1), a lock head (7), a lock-core component (5), a lock pull rod (6) and a lock hook (8). The lock-core component is positioned in the lock head; the flat-tube lock pull rod (6) is telescoped in the flat-tube lock body (1); a plurality of through-holes (10) are provided at the interface between the lock pull rod (6) and the lock tongue (9) of the lock-core component (5); a spring (3) and a steel ball (2) whose positions are corresponding to the position of the lock-core component (5) are positioned in the lock head (7); the steel ball can prop the through-holes of the lock pull rod. The lock tongue of the lock-core component of the utility model can directly be inserted in the through-holes of the lock pull rod and practice locking, therefore, the joint of the lock pull rod and the lock tongue will not suffer from wearing, the lock is reliable and firm and the safety and service life of the invention are respectively improved and prolonged. Besides, the flat-tube covered joint of the lock body and the lock pull rod endows the invention with suitable fit clearance, smooth operation and good concentricity.

Description

Flat-tube type jack self-locking type automobile anti-theft lock

One, technical field

The utility model relates to a kind of anti-theft column lock, specifically relates to be used to pin on a kind of automobile the anti-theft column lock of bearing circle.

Two, background technology

Existing automobile anti-theft lock adopts the lock pull bar of squama nodular mostly, and the squama joint that utilizes the dead bolt of the lock core assembly in the tapered end to press closer the lock pull bar is sentenced and fixed the lock pull bar, finishes the locking to vehicle steering.This anti-theft column lock in use, the squama joint place of lock pull bar, with the contact point of the dead bolt of lock core assembly owing to often contact, rub and be worn easily, be unfavorable for locking fixing of pull bar, influenced the safety performance of anti-theft column lock.

Three, utility model content

The purpose of this utility model is to overcome above-mentioned deficiency, and a kind of flat-tube type jack self-locking type automobile anti-theft lock that contact point can not be worn, safety performance is good of locking the dead bolt of pull bar and lock core assembly is provided.

The purpose of this utility model realizes by following technical solution: a kind of flat-tube type jack self-locking type automobile anti-theft lock, comprise lock body, tapered end, lock core assembly, lock pull bar, latch hook, the lock core assembly is contained in the tapered end, and described lock body, lock pull bar are flat-tube type, and the lock drag link sleeve is in lock body; The lock pull bar, with the contact surface of the dead bolt of lock core assembly on be provided with several open-works, also be equipped with in the described tapered end and lock core module position corresponding spring and steel ball, this steel ball can withstand the open-work on the lock pull bar.

After adopting the utility model structure, when the lock pull bar spurs in lock body, after withstanding open-work on the lock pull bar and position by steel ball earlier, again the dead bolt of lock core assembly directly is inserted in the open-work on the lock pull bar and locks.Therefore, the utility model compared with prior art, the contact point of the dead bolt of lock pull bar and lock core assembly just can not be worn, the product locking is reliable, firm, has improved safety performance, prolongs its service life.And lock body, lock pull bar are the flat-tube type socket, and tolerance clearance is suitable, and operation is sliding smooth, good concentricity.

Four, description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail.

Fig. 1 is the structural representation (cutaway drawing) of the utility model flat-tube type jack self-locking type automobile anti-theft lock.

Fig. 2 is the birds-eye view (overall diagram) of Fig. 1.

Five, the specific embodiment

With reference to Fig. 1, Fig. 2 as can be known, the utility model flat-tube type jack self-locking type automobile anti-theft lock comprises lock body 1, tapered end 7, lock core assembly 5, lock pull bar 6, latch hook 8, and lock core assembly 5 is contained in the tapered end 7, described lock body 1, lock pull bar 6 are flat-tube type, and lock pull bar 6 is enclosed within the lock body 1; Lock pull bar 6, with the contact surface of the dead bolt 9 of lock core assembly 5 on be provided with several open-works 10, also be equipped with in the described tapered end 7 and lock core assembly 5 position corresponding spring 3 and steel ball 2, this steel ball 2 can withstand the open-work 10 on the lock pull bar 6.

Wherein latch hook 8 is two pairs, a pair of being contained on the lock body 1, and another is to being contained on the lock pull bar 6; When steel ball 2 withstands the some open-work of lock on the pull bar 6 and positions, the dead bolt 9 of lock core assembly 5 just in time can insert another open-work on the lock-bit bar 6, be that steel ball 2, dead bolt 9 will make the steel ball accurate positioning in correspondence with each other with the position of open-work 10, the insertion of dead bolt is also wanted accurately.

In order to strengthen the firmness that connects of lock body and tapered end, described lock body 1 and tapered end 7 have one-piece construction (be lock body and tapered end embedding be one and firm firm).Because the requirement on the manufacture craft of the one-piece construction of lock body and tapered end is provided with passage in the described tapered end 7, and the stopple 4 that pushes up mutually with described spring 3 is housed in the passage.Be in the tapered end 7, be provided with passage with the corresponding position, position of lock core assembly 5, stopple 4, spring 3, steel ball 2 are housed in the passage successively, this steel ball 2 can withstand the open-work 10 on the lock pull bar 6, availablely above the stopple seals with the tapered end identical materials.As shown in Figure 1.

Principle of work of the present utility model is: when the lock pull bar spurs in lock body, after earlier withstanding a open-work on the lock pull bar and position by steel ball, again the dead bolt of lock core assembly directly is inserted in another open-work on the lock pull bar and locks, thereby tightly hook bearing circle on the automobile by two pairs of latch hooks.The user need not to finely tune and gets final product accurate locking, easy to operate practicality, and the product anti-theft security is functional, prolongs its service life.

Claims (3)

1, a kind of flat-tube type jack self-locking type automobile anti-theft lock, comprise lock body (1), tapered end (7), lock core assembly (5), lock pull bar (6), latch hook (8), lock core assembly (5) is contained in the tapered end (7), it is characterized in that: described lock body (1), lock pull bar (6) are enclosed within the lock body (1) for flat-tube type, lock pull bar (6); Lock pull bar (6), with the contact surface of the dead bolt (9) of lock core assembly (5) on be provided with several open-works (10), also be equipped with in the described tapered end (7) and lock core assembly (5) position corresponding spring (3) and steel ball (2), this steel ball (2) can withstand the open-work (10) on the lock pull bar (6).

2, flat-tube type jack self-locking type automobile anti-theft lock as claimed in claim 1 is characterized in that: described lock body (1) has one-piece construction with tapered end (7).

3, flat-tube type jack self-locking type automobile anti-theft lock as claimed in claim 2, it is characterized in that: described tapered end is provided with passage in (7), and the stopple (4) that pushes up mutually with spring (3) is housed in the passage.

Images