CN201310248Y - Double-system lock - Google Patents

Abstract

The utility model provides a double-system lock, comprising: a lock shell, a combination lock mechanism and a key lock mechanism. The lock shell has a panel, the inner side of the panel is convexly provided with a retaining wall, the combination lock mechanism is installed in the lock shell and has a plurality of number wheels, the number wheels are respectively pivotally sleeved with wheel sleeves, and are sleeved together by a lock core rod, a spring is respectively sleeved between the wheel sleeves, one end of the wheel sleeve is respectively formed with a flat portion and a lug, the push piece is provided with a plurality of abutting portions, the two ends of the spring are respectively pressed against the lug and the abutting portion, and the retaining wall abuts against one end of the lug; when the number wheel is not rotated to the correct position, the retaining wall will stop at the lug of the sleeve, and the user must use the correct number before locking or changing the number.

Description

double lock

technical field

The utility model relates to a lock structure, in particular to a double system lock which has a combination lock mechanism and a key lock mechanism and can brake together.

Background technique

Locks are widely used in daily life. Traditionally seen locks have a structure in which a key cooperates with a lock body, and the lock body is opened or locked by a key to achieve the purpose of anti-theft. However, if the key is lost in this kind of lock equipped with a key, there is a problem that the lock body cannot be opened smoothly, which causes inconvenience in use. Therefore, there is a dual system lock that utilizes a combination lock mechanism and a key lock mechanism to open and close. When the correct key is used to unlock the lock, if there is no key, the number wheel in the combination lock mechanism can be used to rotate to the correct number. And drive the lock core to unlock by turning the twist head in the key lock mechanism, so it is not necessary to use a key to unlock, which provides convenience to the user.

The above-mentioned existing double system lock has no major problems in structure, and also provides considerable convenience in operation, but there is a problem that the lock body does not need the correct number to set a new number by using the twist head in the unlocked state. Therefore, the safe or locker using this kind of double system lock is often arbitrarily fiddled with the digital wheel, causing the owner of the locked safe or locker to use the combination lock mechanism to open it. It is quite inconvenient to use a key or ask a locksmith to forcibly unlock the lock.

Utility model content

The technical problem to be solved by the utility model is to provide a dual system lock, which can provide the user with the correct key to unlock the lock or the correct number to unlock the lock. At the same time, an additional protection is provided to prevent the digital wheel from being locked or changing the set number due to random dialing.

In order to solve the problems of the technologies described above, the embodiments of the utility model provide technical solutions as follows:

A double system lock, comprising: a lock case, which has a panel, the panel is provided with a perforation and a plurality of windows, the inner side of the panel is protruded with a plurality of blocking walls; a combination lock mechanism, which is installed on the lock Inside the shell, there is a displaceable push piece and a plurality of number wheels, the push piece is provided with a plurality of ports, one end of the number wheel corresponds to the window and the port respectively, and the number wheel The wheel sleeves are respectively pivoted, and are threaded together by a lock core rod, and a spring is set between the wheel sleeves, and a flat part and a lug located on one side of the flat part are formed at one end of the wheel sleeves. The push piece is provided with a plurality of abutting parts, the two ends of the spring are respectively pressed against the lug and the abutting part, and the blocking wall is abutted against one end of the lug; and a key lock mechanism, It passes through the lock case and corresponds to the through hole. The key lock mechanism has a lock core that is sheathed and rotatable, a lock core sleeve and a twisting head that protrudes from the lock case. There is a flat straight surface and an arc surface, and the flat straight surface and the arc surface of the lock core can be respectively abutted against the push piece through rotation, and the edge surface of the lock core sleeve has a sliding groove and two opposite holes. One end of the lock core rod has a receiving part, and the receiving part is movably accommodated in the sliding groove and the two holes.

The utility model has the following beneficial effects:

The utility model cooperates with the lock case, the combination lock mechanism and the key lock mechanism, so that the user can unlock the lock by using the correct key or the correct number. At the same time, an additional protection is provided to prevent the digital wheel from being locked or the number changed due to random dialing.

In order to further understand the features and technical contents of the present utility model, please refer to the following detailed description and accompanying drawings of the present utility model. However, the accompanying drawings are for reference and illustration only, and are not intended to limit the present utility model.

Description of drawings

Fig. 1 is the perspective view of the utility model dual system lock.

Fig. 2 is a three-dimensional exploded view of the double system lock of the present invention.

Fig. 3 is a perspective view of the dual lock panel of the present invention.

Fig. 4 is a schematic diagram of the action of the dual lock of the present invention when the handle is turned.

Fig. 5 is a schematic diagram of the action of the dual lock of the present invention being rotated by a key.

Fig. 6 is a schematic diagram of another movement of the dual lock of the present invention to be rotated by a key.

Fig. 7 is another action schematic diagram of the dual lock of the present invention turning with a key.

Explanation of main component symbols

1 lock case

11 panels

111 perforations

112 windows

113 retaining wall

12 base

121 elastic parts

1211 bump

122 perforations

2 combination lock mechanism

21 push piece

Port 211

212 abutment part

22 number wheel

221 groove

23 springs

24 wheel sets

241 Plane Department

242 lugs

2421 convex rib

25 locking rod

251 Storage Department

26 springs

3 key lock mechanism

31 lock heart

311 key hole

312 straight face

313 arc surface

32 lock sleeve

321 chute

322 holes

33 twist head

34 handles

Detailed ways

In order to make the technical problems, technical solutions and advantages to be solved by the embodiments of the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

Please refer to Fig. 1 to Fig. 4, the utility model provides a kind of dual system lock, and it is the dual system lock that has key lock mechanism and combination lock mechanism concurrently, and this dual system lock includes a lock case 1, a combination lock mechanism 2 And a key lock mechanism 3.

The lock case 1 has a panel 11 and a base 12 that engage with each other correspondingly. The panel 11 is rectangular and has a perforation 111 . The panel 11 is provided with several windows 112 equidistantly arranged on the surface. The inner wall of the panel 11 is located between the windows 112 and is provided with several elongated retaining walls 113 . The base 12 is formed with another perforation 122 relative to the perforation 111 of the panel 11, and the base 12 is provided with several equidistantly arranged elastic members 121. The elastic members 121 are made of suitable elastic materials such as plastic or rubber. As a result, the end of each elastic member 121 is provided with a protruding point 1211, and the protruding point 1211 is pressed against the other end edge surface of the corresponding number wheel 22, so as to prevent it from rotating arbitrarily when dialing or not dialing.

The combination lock mechanism 2 is installed in the base 12, and a push piece 21 and a plurality of number wheels 22 are installed from the base 12 to the direction of the panel 11 in sequence, and each number wheel 22 is respectively pivoted with a round cover 24 in sequence, and then Each number wheel 22 and the wheel cover 24 are fitted together by a lock core rod 25 , and a spring 23 is respectively sleeved between the wheel cover 24 .

The push piece 21 can be formed by stamping and bending a metal plate integrally. It is displaceably installed in the base 12 and has a plurality of openings 211 arranged equidistantly. The wheel cover 24 is extended with a plurality of abutting portions 212 arranged equidistantly. The abutting portions 212 are U-shaped, and the abutting portions 212 abut against the wheel cover 24 .

One end of each number wheel 22 respectively passes through the opening 211 of the corresponding push piece 21 , and the edge surface is exposed out of the window 112 of the panel 11 . In addition, one end of the wheel sleeve 24 is formed with a plane portion 241, a circular lug 242 formed on the side edge of the plane portion 241, and a plurality of ribs 2421 extending on the edge of the lug 242, and the lug 242 can resist Lean against the blocking wall 113 on the panel 11 .

The abutting portion 212 of the push piece 21 is respectively located between the wheel casings 24, and displaceably abuts against the end edge of the wheel casing 24, and the two ends of each spring 23 are respectively pressed against the abutting portion 212 and the lug 242 , so that each wheel sleeve 24 is elastically displaced, and the abutting portion 212 of the push piece 21 can abut against the lug 242 of the adjacent wheel sleeve 24 .

Several grooves 221 are arranged inside the number wheel 22 , and the convex ribs 2421 can cooperate with the grooves 221 so that the hubs of the number wheel 22 are positioned outside the wheel housing 24 .

In addition, one end of the locking rod 25 penetrates into the base 12 and is further sleeved with another spring 26 , while the other end forms a hemispherical accommodating portion 251 . One end of the spring 26 is pressed against the inner end surface of the base 12 , and the other end is pressed against the abutting portion 212 of the push piece 21 .

The key lock mechanism 3 passes through the lock case 1 and the combination lock mechanism 2 , and corresponds to the perforation 111 of the panel 11 , having the function of a general key lock. Furthermore, the key lock mechanism 3 has a lock core 31 , a lock core sleeve 32 , a twist head 33 protruding from the panel 11 , and a twist head 33 pivotally mounted on the twist head, which are assembled and sleeved in sequence and can rotate respectively. The handle 34 on the 33. And the lock core 31 has a keyhole 311, and the edge surface of the lock core 31 is provided with two flat surfaces 312 and two arc surfaces 313 that are symmetrical to each other on the same rotation path, and correspond to one end of the push piece 21, so that the lock core 31 When rotated, the straight surface 312 and the arc surface 313 can abut against one end of the push piece 21 respectively, so that the push piece 21 can be displaced. And the rear end of the lock core 31 protrudes out of the base 12, and then can be connected with a deadbolt piece (not shown). The pushing piece 21 can be elastically returned to its original position by utilizing the active force of the above-mentioned spring 26 , and at the same time, the adjacent wheel sleeve 24 can be pushed back through the abutting portion 212 .

The edge of the lock core sleeve 32 is provided with an arc-shaped sliding groove 321 on the inner ring, and two holes 322 corresponding to each other are arranged in the sliding groove 321, and the accommodating part 251 of the above-mentioned lock core rod 25 is movably accommodated. Placed in the chute 321 and the hole 322.

Please refer to Fig. 4, during operation and use, when the user dials the number wheel 22, the wheel cover 24 can be driven to start rotating, and when the number wheel 22 turns to the correct number, it will turn to the flat part 241 of the wheel cover 24. Turn the handle 34 at the same time, so that the wheel cover 24 leaves the retaining wall 113 under the force of the spring 23, and also makes the convex rib 2421 leave the groove 221 of the number wheel 22.

Please refer to Fig. 5 to Fig. 7, and please refer to Fig. 2 together to further illustrate the operation of the utility model. When the user inserts the correct key, the key is inserted into the key hole 311 of the lock core 31. At this time, the push piece 21 is originally in contact with the flat surface 312 of the lock core 31. When the key is turned to drive the lock core 31, the push piece 21 immediately touches the Connected to the arc surface 313, the displacement occurs, and the lock core 31 can simultaneously drive the lock tongue piece to unlock. When the user turns the key again to drive the lock core 31, the push piece 21 can contact the flat surface 312 of the lock core 31 again, and shift again, and the lock core 31 drives the deadbolt piece to lock. In addition, when the user forgets the correct number of the combination lock mechanism 2 , he can also use the key to turn the key lock mechanism 3 to shift the push piece 21 , and then know the correct number by turning the number wheel 22 .

The dual system lock of the utility model can provide the user with the correct key or the correct number to unlock the lock, preventing the operator from not carrying the key or forgetting the number and being unable to unlock. Provide one more protection at the same time, when it is in the unlocked state, dialing the random number wheel 22 arbitrarily can not change the number, but the number wheel 22 of the combination lock mechanism 2 must be turned to the correct number to lock or reset the number, which can be effective Prevent the safe from being locked by others or changing the number.

The foregoing is a preferred embodiment of the present utility model, and it should be pointed out that for those of ordinary skill in the art, some improvements and modifications can be made without departing from the principle of the present utility model. Retouching should also be regarded as the scope of protection of the present utility model.

Claims (6)

1, a kind of Double-actuating lock is characterized in that, comprising:

One lock housing, it has a panel, and this panel is provided with a perforation and an a plurality of window, and the inboard of this panel convexes with a plurality of retaining walls;

One combination lock mechanism, it is installed in this lock housing, and have a displaceable push jack and an a plurality of digit wheel, this push jack is provided with a plurality of ports, described digit wheel one end corresponds to described window and described port respectively, and described digit wheel pivot respectively is with the wheel cover, and be set in together by a lock core rod, and the described inner room of taking turns respectively is arranged with a spring, described cover one end of taking turns respectively is formed with the lug that a planar portions and is positioned at planar portions one side, this push jack is provided with a plurality of butting sections, and described both ends of the spring presses on described lug and described butting section respectively, and described retaining wall is against an end of described lug; And

One key lock mechanism, it is arranged in this lock housing and corresponding to this perforation, this key lock mechanism has a sheathed each other and rotating core, a lock barrel sleeve and protrudes from the outer torq of this lock housing, this core is provided with flat face and arc surface, and the flat face of this core and arc surface are through being connected to this push jack respectively rotationally, this lock barrel sleeve edge mask has a chute and two relative holes, one end of this lock core rod has a holding part, and this holding part is placed in this chute and this two holes movably.

2, Double-actuating lock according to claim 1 is characterized in that, this lock housing also be provided with one with the base of the corresponding joint of this panel.

3, Double-actuating lock according to claim 1 is characterized in that, this push jack is taken turns the cover extension towards this and is provided with the butting section, and this lock core rod further is arranged with another spring, and this another both ends of the spring presses on this lock housing inner face and this butting section respectively.

4, Double-actuating lock according to claim 1 is characterized in that, is equipped with groove in this digit wheel, and described edge face of taking turns cover is extended with the fin that matches, so that each pivot of described digit wheel is placed in described the wheel outside the cover.

5, Double-actuating lock according to claim 2 is characterized in that, this base also convexes with a plurality of elastic components, and described elastic component respectively has a salient point, and this salient point is against the other end of this digit wheel.

6, Double-actuating lock according to claim 1 is characterized in that, is pivoted with the leader on this torq, in order to rotate.

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