TW201425706A - Combination lock can avoid the password to be tested out - Google Patents

Abstract

The invention relates to a combination lock which can avoid the password thereof to be tested out. The combination lock includes a lock body, a plurality of dial sets mounted on the lock body, a movable rod mounted on the lock body and configured to move laterally relative to the lock body, and a button mounted on the lock body for pushing the movable rod to move laterally. Each of the dial sets has a dial wheel and a number changing plate located in the dial wheel. The movable rod is passed through a hole of each of the number changing plates and has a plurality of convex teeth. Each of the number changing plates has a plurality of shallow grooves on a side surface thereof and arranged on the peripheral of the hole thereof. Each of the shallow grooves can be used to receive the convex teeth of the movable rod. And, while incorrect passwords on the dial wheels are entered and the button is pushed to move the movable rod, at least one of the convex teeth is engaged to one the shallow grooves on one of the number changing plates so that the one of the number changing plates with the corresponding dial wheel are stuck by the convex teeth of the movable rod and are not allow to be rotated.

Description

A number lock that prevents the password from being tested

The present invention relates to a combination lock, and more particularly to a combination lock that can prevent a password used for unlocking from being tested.

The fifth and sixth figures show a conventional number lock 9 which includes a lock body 90 and a lock hook 91, a movable rod 92, a plurality of number wheel sets 93, a button 94, a snap member 95 and a spring. 96. The lock body 90 includes a first seat body 901, a second seat body 902, and two fixing bolts 900 for connecting the two to each other without being separated. The first base 901 and the second base 902 each have a locking hole 903, 904 for receiving both ends of the locking hook 91. The movable rod 92 is a sliding groove 905 disposed on the second base 902 in a laterally movable manner. The movable rod 92 has a plurality of convex teeth 921 arranged at intervals and arranged in a row. Each of the number wheel sets 93 is sleeved on the second base body 902, and each of the number wheel sets 93 includes a number wheel 930 and a dial plate 931, a positioning plate 934, and the dial wheel 930. An elastic member 935 disposed on the positioning disk 934. Each of the dials 931 has a slot 932 for the passage of the protruding teeth 921.

Referring to FIG. 7 , the button 94 is laterally movably disposed on the first base 901 and has a side opposite to one end of the movable rod 92 . The latching member 95 is fastened to the movable rod 92 . It is located above the lock hole 904. The spring 96 is disposed in the second base 902 and has one end abutting the other end of the movable rod 92 and the other end abutting against an inner wall surface of the second base 902.

The seventh figure shows that the number lock is in a locked state, and the number wheel 930 is dialed to a position where an incorrect password is displayed. At this time, the partial convex teeth 921 of the movable rod 92 are blocked by a side surface 931a of the corresponding dial plate 931. Therefore, pressing the button 94 can only push the movable rod 92 to move laterally by a small distance, so that the The movable lever 92 is laterally moved to a position sufficient for the latching member 95 to release the lock hook 91. When the number wheel 930 is turned to a position where a correct password is displayed, the dials 931 are rotated to a position in which the slots 932 are arranged in a row. At this time, the movable lever 92 All of the convex teeth 921 are opposite to the corresponding slots 932 of the dial 931. Therefore, pressing the button 94 can push the movable rod 92 to move laterally to the position where the latch 95 releases the lock 91. As shown in the eighth figure, at this time, the lock hook 91 can be pulled upward from the second seat body 902, so that the number lock enters an unlocked state.

As shown in the sixth figure, since the side surface 931a of each of the dials 931 of the combination lock 9 is a plane, when the combination lock 9 is in the locked state as shown in the seventh figure and the button 94 is pressed When they are staying, the number wheels 930 can still be dialed. Thus, as long as the button 94 is pressed while the button 94 is pressed, the correct password can be tested and the lock can be unlocked.

The present invention provides a new combination lock, which is mainly such that the number wheel on the dial cannot be rotated when it is in the locked state and its button is pressed, so that it is impossible to dial the number wheel while holding the button This method opens the number lock.

In detail, the number lock of the present invention which can prevent the password from being tested mainly comprises a lock body, a movable rod can be laterally moved in the lock body, and has a plurality of convex teeth arranged in a row at intervals; a button is disposed in the lock body for pushing the movable rod to move laterally; a plurality of number wheel sets are attached to the lock body, and the loop is sleeved on the periphery of the movable rod, and each number wheel set has a number The wheel and the dial are located in the dial. In particular, one side of each of the dials is directly opposite each of the teeth of the movable rod, and each side of each of the dials has a plurality of shallow grooves, each of which is sufficient for the activity The corresponding convex teeth on the rod are engaged, so that when the number wheel is turned to a position where an incorrect password is displayed and the button is pressed to push the movable rod, the movable rod has at least one convex tooth system Snap into a shallow slot on the corresponding dial.

Preferably, the surface of each of the number wheels is formed with a plurality of numbers, and the number of shallow slots on each of the above-mentioned dials is the same as the number of the number on the number wheel to which it belongs, and each dial The positions of the shallow grooves on the top correspond to the positions of the numbers on the number wheel to which they belong.

The number lock that can prevent the password from being tested is set by the shallow slot, so that the number lock is in the locked state and the number wheel is still unable to be dialed when the button is pressed, thereby solving the conventional number. The lock will be used by the minded person to test the correct password by pressing and holding the button while dialing its number wheel.

Other inventive aspects and more detailed technical and functional descriptions of the present invention are disclosed in the following description.

The first and second figures show a preferred embodiment of the combination lock 1 of the present invention. The combination lock 1 is a single lock, and includes a lock body 10 and a lock hook 11, a movable rod 12, a plurality of number wheel sets 13, a button 14, a buckle member 15, and a spring 16. The lock body 10 includes a first seat body 101, a second seat body 102, and two fixing bolts 100 for connecting the two to each other without being separated. The first base body 101 and the second base body 102 each have a locking hole 103, 104 for receiving the two ends of the locking hook 11 respectively. The movable rod 12 is a slide groove 105 disposed on the second base body 102 so as to be laterally movable, and passes through the number wheel sets 13. The movable rod 12 has a plurality of convex teeth 121 arranged at intervals and arranged in a row. Each of the number wheel sets 13 is sleeved on the second base body 102, and each of the number wheel sets 13 includes a number wheel 130 and a dial plate 131, a positioning plate 134, and a dial plate 131. An elastic member 135 disposed on the positioning plate 134. Each of the dials 131 has a slot 132 for the passage of the teeth 121.

In this preferred implementation, the structure of the combination lock 1 is substantially the same as the conventional number lock mentioned in the column of the prior art. Therefore, with regard to the process of unlocking, locking, etc. of the combination lock 1, please refer to the prior art. The column and the corresponding schema are not described here.

Referring to the third figure, different from the past, one side surface 131a of each of the change dials 131 of the present invention has a plurality of shallow grooves 133 ringing around the periphery of the through hole 136. The through hole 136 of each of the change dials 131 is for the movable rod 12 to pass. Each of the shallow grooves 133 on each of the shifting plates 131 is sufficient to receive the corresponding convex teeth 121 on the movable rod 12. Preferably, the surface of each of the number wheels 130 is formed with a plurality of numbers, and the number of the shallow grooves 133 on each of the change dials 131 is the same as the number of the numbers on the number wheel 130 to which it belongs, and each of the number dials The positions of the shallow grooves 133 on the 131 are each corresponding to the position of the number on the number wheel 130 to which it belongs. Thus, when the number wheel 130 is dialed to a position where a set of incorrect passwords is displayed and the button 14 is pressed to push the movable rod 12, as shown in the fourth figure, the movable rod 12 has at least A convex tooth 121 is a shallow groove 133 which is inserted into one of the change plates 131. At this time, the convex tooth 121 is restricted by the opposite sides of the shallow groove 133, so that the one of the change plates 131 and The number wheel 130 is thus stuck and cannot be rotated. In this example, if each of the incorrect passwords is incorrect, this means that the slots 132 of each of the dials 131 are all staggered from their corresponding teeth 121. In this case, if the button When 14 is pressed, each of the protruding teeth 121 on the movable lever 12 is respectively engaged in a shallow groove 133 on its corresponding dial 131.

In any case, it can be seen from the above description that any shallow groove 133 on any of the change dials 131 is simply inserted by the corresponding convex tooth 121 on the movable rod 12, indicating any of the change dials 131 and their respective numbers. The wheel 130 cannot be rotated. Thus, as long as the combination lock 1 is in the locked state, no one can open the number lock 1 by pressing the button 14 while dialing the number wheel 130.

Compared with the prior art, the combination lock of the present invention can be easily tested by the setting of the shallow groove 133, that is, the conventional number lock can be easily used by a person with a heart to press and hold the button and dial the number wheel to test it. The problem with its correct password.

In any event, anyone can obtain sufficient teaching from the description of the above examples, and it is understood that the present invention is indeed different from the prior art, and is industrially usable and progressive. It is the invention that has indeed met the patent requirements and has filed an application in accordance with the law.

1, 9. . . Combination lock

10, 90. . . Lock body

101, 901. . . First body

102, 902. . . Second body

100, 900. . . Fixing bolt

103, 104, 903, 904. . . keyhole

105, 905. . . Chute

11, 91. . . Lock hook

12, 92. . . Movable rod

121, 921. . . Convex tooth

13, 93. . . Number wheel set

130, 930. . . Number wheel

131, 931. . . Change dial

131a. . . side

132, 932. . . Cogging

133. . . Shallow groove

134,934. . . Positioning plate

135, 935. . . Elastic component

136. . . Through hole

14, 94. . . Button

15, 95. . . Fastener

16,96. . . spring

The first figure is a perspective view of a preferred embodiment of the combination lock of the present invention.

The second drawing is an exploded perspective view of the preferred embodiment.

The third drawing is a plan enlarged view of the dial of the preferred embodiment.

The fourth drawing is a schematic cross-sectional view of the preferred embodiment.

The fifth figure is a perspective view of a conventional number lock.

The sixth figure is an exploded perspective view of the conventional number lock.

The seventh drawing is a schematic cross-sectional view (closed state) of the preferred embodiment.

The eighth drawing is a schematic cross-sectional view (unlocked state) of the preferred embodiment.

131. . . Change dial

131a. . . side

132. . . Cogging

133. . . Shallow groove

136. . . Through hole

Claims (2)

A number lock that prevents passwords from being tested, including:
a lock hook;
a lock body having two lock holes for respectively receiving the two ends of the lock hook;
a movable rod, which is laterally movable in the lock body, and has a plurality of convex teeth arranged in a row;
a button disposed in the lock body for pushing the movable rod to move laterally;
The plurality of number wheel sets are disposed on the lock body, and the snare is sleeved on the outer periphery of the movable rod, and each of the number wheel sets has a number wheel and a change dial set in the number wheel, each change dial One side of each of the movable rods is opposite to each of the convex teeth of the movable rod, and each side of each of the variable dials has a plurality of shallow grooves, each of which is sufficient for the corresponding convex teeth on the movable rod to be engaged So that when the number wheel is dialed to a position where an incorrect password is displayed and the button is pressed to push the movable rod, at least one convex tooth on the movable rod is engaged on the corresponding dial In a shallow slot. The number lock for avoiding the password being tested as described in claim 1 of the patent scope, wherein each number wheel has a number of numbers formed on the surface thereof, and the number of shallow slots on each dial is the same as the number to which it belongs. The number of numbers on the wheel, and the position of the shallow slots on each of the change dials each correspond to the position of the number on the number wheel to which it belongs.