CN2077018U - Bicycle cipher lock - Google Patents

Abstract

The utility model discloses a cipher lock for a bicycle without a key. The cipher lock is suitable for various bicycles. The cipher lock is characterized in that the upper part of a lock body is provided with a cipher shaft sleeve and four cipher cards and is concentric with a lock core shaft, and the cipher shaft sleeve is fixed on a lock casing. More than five digitals with the 8 shape can be graved uniformly on each cipher card, the digitals can be rewritten, and the cipher can be changed. The bicycle lock can be opened and closed smartly by adjusting the cipher on a cipher window, and the original problems that the key and the lock body are separated and the key has inconvenient storage and is lost easily can be solved.

Description

Bicycle cipher lock

The utility model relates to a kind of bicycle coded lock without key.

At present, the bicycle lock that people use, no matter be vertical or horizontal, key is all stayed in the lock core when unblanking by bike; When parking lock is locked, key is transferred to.Because key separates with lock body and uses very inconveniently, also easily key is lost because of carelessness slightly.Losing key is to make very pain in the neck of car owner.

The purpose of this utility model is to avoid above-mentioned weak point of the prior art and a kind of bicycle coded lock without key is provided.It adopts the form of password can open and close bicycle lock neatly, can change at any time password according to owner's needs again, so just can exempt the worry that car owner's fearness is lost key.

The purpose of this utility model is achieved in that at the topmost of lock body installs the cipher control structure that a cover control lock opens and closes.It is formed by a password axle sleeve, four password cards with the lock core shaft of four teeth.Password axle sleeve direct-axis mind-set is opened a groove, the outer square structure of circle in adopt less than head part in the left side; Each password card direct-axis mind-set is all opened a notch; The password card can put at coded shaft and rotate freely; The password axle sleeve is fixed on the lock housing by locator card.Password card, password axle sleeve are all with concentric with the lock core shaft of four teeth; Lock core shaft can move back and forth in the password axle sleeve under the situation of alignment password.Cryptography architecture is surrounded by last lock housing and following lock housing, has a password window in the top of lock body, and the direct-axis mind-set is at center intercropping one mark fine rule, so that password accurately aligns the central marker fine rule on the password window.The password card should expose password window a little.All make a call to numeral " 8 " shape more than five on each password card equably, and retouch into different numerals, one of them digital aligned notches with colour.With the notch of four password cards pairing four passwords that numeral promptly is this lock of alignment notch in order.Change password if desired, also can change at any time password.This lock opens and closes lock by adjustment, centering password.

The utility model is not because of only need adding any other part in cipher control structure of topmost installation of lock body, and its structure is than also uncomplicated with the structure of key switching lock originally, so just avoided owing to make the many troubles that open the lock with the key and cause.Owing to can change, increased the confidentiality of this bicycle coded lock in addition to password.

Concrete structure of the present utility model is provided by following examples and accompanying drawing.

Accompanying drawing is a structural representation of the present utility model.

Describe detail and the working condition that the utility model proposes in detail below in conjunction with accompanying drawing.

This device comprises a cipher control structure, and its position is in lock body the top, and it is made up of a password axle sleeve (2) and four password cards (1); Password axle sleeve (2) direct-axis mind-set is opened a groove on just, the outer square structure of circle in adopt less than head part in the left side is so that the position of holddown groove; Each password card direct-axis mind-set is all opened a notch; The password card can rotate freely on password axle sleeve (2).Password axle sleeve (2) is fixed on the lock housing (4) by locator card (3).Password card (1), password axle sleeve (2) are all concentric with the lock core shaft (6) with four teeth, and lock core shaft (6) can move back and forth in password axle sleeve (2) under the situation of alignment password.Solid rivet (7), tubular rivet (8) and hoop cap (9) will go up lock housing (4) and following lock housing (5) is fixed together.(10) be extension spring, the higher authorities are connected with lock core shaft (6), and following is connected with solid rivet (7) in lock housing.Cryptography architecture is surrounded by last lock housing (4) and following lock housing (5), opens a password window in the top of lock body, and the direct-axis mind-set is made a mark fine rule on the password window in the plane, axle center of lock core shaft (6), so that the accurate centering of password; Password card (1) should expose password window a little.Make a call to numeral " 8 " shape more than five on each password card (1) equably, and use with a kind of colour and retouch into different numerals, one of them numeral must aligned notches.In order with after the alignment of the notch of four password cards (1), pairing four passwords that numeral promptly is this lock of notch.When changing password if desired, only need the original code numeral is wiped, use the color identical to coat new numeral with original numeral.Four numerals can change entirely, also can only change one of them or several numeral gets final product, and form new password.After changing password, original code has lost effect to this lock, just must use new password when opening and closing lock again.

When unblanking on password window with behind the mark fine rule on the alignment of the horizontal line adjustment in the middle of four password figures " 8 " window, lock is promptly opened automatically.Earlier with four password alignment, again lock core shaft (6) is fastened during locking, password is dialled disorderly to be about to lock then and pinned.Can open and close lock by new password again after changing password if need to change password, method is the same with original code.

Claims (6)

1, a kind of bicycle coded lock of forming by last lock housing (4) and following lock housing (5), the top that it is characterized in that lock body is equipped with a password axle sleeve (2), four password cards (1) that can rotate freely are installed on it, on the lock core shaft (6) of password axle sleeve (2) the inside, four teeth are arranged.

2, bicycle coded lock according to claim 1 is characterized in that password axle sleeve (2) and password card (1) are all concentric with lock core shaft (6).

3, bicycle coded lock according to claim 1 is characterized in that password axle sleeve (2) card (3) that is positioned is fixed on the lock housing (4).

4, bicycle coded lock according to claim 1, it is characterized in that the cipher control structure by last lock housing (4) and down lock (5) surround, only open the password window of a center tape label fine rule topmost in lock housing, a little is advisable password card (1) to expose password window.

5, bicycle coded lock according to claim 1 is characterized in that all carving equably on each password card (1) numeral " 8 " shape more than five, one of them digital aligned notches.

6, bicycle coded lock according to claim 5 is characterized in that each numeral " 8 " shape can rewrite different numerals.