CN212105470U - Coded lock core and coded lock with same - Google Patents
Coded lock core and coded lock with same Download PDFInfo
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- CN212105470U CN212105470U CN202020662397.1U CN202020662397U CN212105470U CN 212105470 U CN212105470 U CN 212105470U CN 202020662397 U CN202020662397 U CN 202020662397U CN 212105470 U CN212105470 U CN 212105470U
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- 230000000694 effects Effects 0.000 claims description 17
- 239000011258 core-shell material Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention provides a coded lock, comprising a lock body and a lock beam, wherein the lock body is provided with a jack for inserting the lock beam, the lock body comprises a lock core, a shell and at least one lock pin, the lock beam is provided with a clamping groove for clamping the lock pin, the shell is provided with a groove for embedding the lock core and a sliding groove for moving the lock pin, the lock pin is clamped in the sliding groove and moves in the shell along the axial direction of the sliding groove, the sliding groove is communicated with the jack, the shell is internally provided with an elastic part for pushing the lock pin towards the clamping groove of the lock beam, one end of the lock pin far away from the jack is provided with a moving space for moving the lock pin, in the scheme, a lock tongue of the lock core is separated from the moving space under the correct state of the lock core code, the lock beam extrudes the lock pin in the process of pulling the lock beam, the opening is more convenient.
Description
Technical Field
The utility model belongs to the technical field of the theftproof tool to lock, especially, relate to a trick lock.
Background
U type trick lock generally includes lock body and U-shaped lock beam, because the lock beam adopts the U-shaped structure, consequently call U-shaped trick lock, the U-shaped trick lock structure on the existing market is gone into in the draw-in groove of lock beam through the locking piece activity card on the lock body, the lock body is in under the shutting state lock body and the joint between the lock beam together, the lock body password is right down through pressing the press head on the lock body, make the lock piece on the lock body break away from the restriction of lock beam draw-in groove and make and can part between lock body and the lock beam, realize unblanking.
The publication No. CN103850539A discloses a password device and a U-shaped password lock, in which a pressing head is required to be pressed to open the lock when the password is correct, which is troublesome to operate and inconvenient to open, and since the pressing head is exposed, an illegal person knows that the lock can be opened by pressing, and often the pressing head is hit by brute force to open the lock, which is relatively simple to open.
SUMMERY OF THE UTILITY MODEL
The invention aims to solve the technical problem of how to conveniently open the coded lock.
The utility model discloses a realize through following technical scheme:
a password lock core comprises a password wheel, a notch wheel with a notch, a wheel shaft, a lock tongue plate and a core shell, wherein the password wheel is sleeved outside the notch wheel and is movably clamped and matched with the notch wheel; when the other positions in the circumferential direction of one of the gap wheels are in contact with the lock tongue plate, the lock tongue plate is pressed downwards, and the lock core is in a locking state.
The lock tongue plate is provided with a through groove for the password wheel to pass through, a spring is arranged between the lower end of the lock tongue plate and the bottom of the core shell, and the lock tongue plate elastically abuts against the notch wheel through the upper end of the spring acting piece.
The password wheel and the notch wheel are movably clamped through a tooth-shaped structure, and are in a linkage state when meshed with each other; when the password wheel is disengaged from the notch wheel, the password wheel rotates relative to the notch wheel.
The wheel shaft is movably connected with the core shell, and a spring which enables the notch wheel and the wheel shaft to integrally move in the opposite direction of the tripping direction of the password wheel is arranged between the notch wheel and the core shell outside the wheel shaft.
The utility model provides a coded lock, includes lock body and lock beam, is equipped with on the lock body and supplies lock beam male jack, the lock body include lock core, shell and an at least lockpin, be equipped with the draw-in groove that supplies the lockpin card to go into on the lock beam, be equipped with the recess that supplies the lock core embedding on the shell and supply the spout of lockpin activity, the lockpin joint in this spout and along spout axial activity in the shell, and spout and recess intercommunication, spout and jack intercommunication are equipped with the elastic component that pushes away the lockpin to lock beam draw-in groove direction in the shell, the lockpin is kept away from jack one end and is had the activity space that supplies the lockpin activity, the spring bolt of lock core moves about to this activity space under the shutting state, the spring bolt of lock core is outside this activity. According to the scheme, the lock tongue of the lock cylinder is separated from the movable space when the password of the lock cylinder is correct, the lock beam extrudes the lock pin in the process of pulling the lock beam, and finally the lock beam is separated from the limit of the lock pin, so that the lock beam and the lock body can be directly separated when the password of the lock cylinder is correct, other parts do not need to be operated, and the lock is more convenient to open.
The lock pin is provided with a limit groove, the lock core is provided with a limit part clamped into the lock pin limit groove, and the limit part is clamped into the limit groove to limit the movable distance of the lock pin.
The limiting groove is a notch processed on the lock pin. The setting of breach prevents that the lockpin is rotatory, plays the effect that prevents that the elastic component from droing.
The lock pin is provided with a hole groove for the elastic piece to be embedded in.
The number of the lock pins is two, the lock pins are symmetrically arranged, and the elastic piece is arranged between the two lock pins.
The shell is provided with at least one locking pin mounting hole which is coaxial with the sliding groove, and the locking pin is placed in the mounting hole during mounting.
The end part of the lock pin and/or the lock beam clamping groove are/is provided with an inclined plane in the unlocking moving direction.
The lock core is a rotary disc type lock core.
The shell is provided with a movable groove for the movement of a lock tongue of the lock cylinder, and the lock cylinder is provided with a shielding part for shielding the movable groove.
The utility model has the advantages that: the invention prevents the lock core from being damaged by violence opening by designing the bolt part to move up and down,
through set up the lockpin on the shell to set up the elastic component that promotes the lockpin and kick-back, make the lock core can directly unblank lock body and lock beam separation under the correct condition of password, unblank convenient and fast.
Drawings
Fig. 1 is a schematic view of a connection structure of a lock body and a lock beam of the present invention;
fig. 2 is a top view of the lock body of the present invention;
FIG. 3 is a cross-sectional view of the lock body housing of the present invention;
FIG. 4 is a schematic view of the connection structure between the lock body housing and the lock pin of the present invention;
FIG. 5 is a schematic view of the lock pin of the present invention;
fig. 6 is a front view of the lock cylinder of the present invention;
fig. 7 is a schematic structural view of the lock cylinder of the present invention in a locked state;
fig. 8 is a schematic structural view of the lock cylinder of the present invention in an unlocked state;
FIG. 9 is a front view of the code wheel in the lock core of the present invention;
fig. 10 is a schematic view of a connection structure of a code adjusting wheel and a shaft lever in the lock cylinder of the present invention;
fig. 11 is a schematic structural diagram of the password wheel of the present invention.
Detailed Description
The present invention will be further described with reference to the following examples.
Examples
As shown in fig. 1-11, the combination lock is a U-shaped combination lock, and includes a lock body 1 and a lock beam 2, the lock body 1 is provided with a jack 11 for inserting the lock beam 2, the lock beam 2 is inserted into the jack 11 of the lock body 1 for locking, and is pulled out for unlocking, wherein the inner wall of the lock beam 2 is provided with a slot 21, the lock body 1 includes a lock cylinder 12, a housing 13 and a lock pin 14, in this embodiment, two lock pins are used, or only one lock pin is used, the housing 13 is provided with a groove 131 for inserting the lock cylinder 12 and a sliding slot 132 for moving the lock pin 14, the lock pin 14 is clamped in the sliding slot 132 and moves axially along the sliding slot 132 in the housing 13, and the sliding slot 132 is communicated with the groove 131, the sliding slot 132 is communicated with the groove 131 not only for allowing the lock tongue 123 to be clamped between the two lock pins 14, but also plays a role in that the limiting portion 121 of the lock cylinder 12 is clamped so as to limit, the sliding groove 132 is communicated with the insertion hole 11, the two lock pins 14 are symmetrically arranged, the end parts of the two lock pins 14 in the opposite directions are elastically abutted to the clamping groove 21 of the lock beam 2, the elasticity between the two lock pins is realized through a spring, the spring is arranged between the two lock pins 14, one end of each lock pin 14, which is far away from the insertion hole 11, is provided with a movable space 16 for the movement of the lock pin 14, namely, the movable space 16 is arranged between the two lock pins 14, the lock tongue of the lock cylinder 12 moves into the movable space 16 in a locking state, and the lock tongue of the lock cylinder 12 moves out of the movable space 16 in an unlocking.
In order to prevent the lock core from being unlocked by violence in the embodiment, the lock core in the embodiment includes a password wheel 124, a notch wheel 125 with a notch, a wheel shaft 126, a lock tongue plate 127 and a core shell 128, the password wheel 124 is sleeved outside the notch wheel 125 and movably clamped and matched with the notch wheel 125, the notch wheel 125 is sleeved on the wheel shaft 126, the password wheel 124 and the notch wheel 125 are in linkage and matching in a normal state, a lock tongue is arranged at the end of the lock tongue plate 127, the lock tongue plate 127 is hinged with the core shell 128, the lock tongue part of the lock tongue plate 127 moves up and down when moving, the lock tongue plate 127 moves up when the notch parts of all the notch wheels 125 are aligned with the lock tongue plate 127, and the lock core is in an unlocking; when the other circumferential position of one of the notch wheels 125 is pressed against the lock tongue plate 127, the lock tongue plate 127 is pressed downwards, and the lock core is in a locking state. When the lock is unlocked by applying violence along the pressing direction of the traditional button, the lock tongue plate 127 and the core shell 128 adopt a hinged connection mode and an up-and-down motion mode, so that the lock can bear larger violence, and the violent unlocking is difficult.
In order to ensure that the lock tongue plate 127 is not blocked by the password wheel 124 when moving up and down, a through groove for the password wheel 124 to pass through is arranged on the lock tongue plate 127, in order to ensure that the lock tongue plate 127 can automatically move upwards when the lock tongue plate 127 is in an unlocked state, a spring is arranged between the lower end of the lock tongue plate 127 and the bottom of the core shell 128, and the upper end of the lock tongue plate 127 is elastically abutted against the notch wheel 125 by the lock tongue plate 127 under the action of the spring. The bolt plate 127 is automatically reset to be unlocked, so that the bolt part of the bolt plate 127 is automatically separated from the movable space 16.
The password wheel 124 and the notch wheel 125 are movably clamped through a tooth-shaped structure, and when the password wheel 124 is meshed with the notch wheel 125 through the tooth-shaped structure, the password wheel 124 and the notch wheel 125 are in a linkage state; the combination wheel 124 rotates relative to the notch wheel 125 when the combination wheel 124 is disengaged from the notch wheel 125. In this embodiment, the inner teeth of the code wheel 124 and the outer teeth of the notch wheel 125 are both distributed in an annular array on the corresponding code wheel 124 or notch wheel 125, and in order to ensure that the code wheel 124 can be locked every time it rotates one number, the number of teeth is optimally controlled to 10 teeth.
The axle 126 is movably connected with the core shell 128, and a spring is arranged between the notch wheel 125 and the core shell 128 outside the axle 126 to move the notch wheel 125 and the axle 126 integrally in the reverse direction of the tripping direction of the password wheel 124. When the password needs to be changed, the axle 126 is pushed to one side to enable the notch wheel 125 and the password wheel 124 to be disengaged, then the password wheel 124 is rotated to a corresponding number range according to the password number set as required, and then the axle 126 is released to be reset through a spring, so that the password can be successfully changed.
In order to prevent the two lock pins 14 from deviating to one direction, if the lock beam 2 deviates to one direction, the lock beam cannot be inserted into the lock beam, and therefore the lock beam needs to be kept at a middle position, in the embodiment, a limiting groove 141 is arranged on at least one lock pin 14, in the embodiment, limiting grooves 141 are arranged on the two lock pins 14, a limiting part 121 clamped into the limiting groove 141 of the lock pin 14 is arranged on the lock core 12, and after the limiting part 121 is clamped into the limiting groove 141, the moving distance of the lock pin 14 is limited. The length of the limiting groove 141 is larger than the length of the limiting part 121, so that the lock pin 14 can move at a certain distance, and the limiting part is a square extending in the up-down direction on the lock cylinder base in the embodiment. In the embodiment, the part of the semicircle of the sliding groove 132 where the sliding groove 132 meets the groove 131 coincides with the groove 131, so that the position-limiting part 121 of the lock cylinder 12 is directly inserted into the position-limiting groove 141 of the lock pin 14 after the lock cylinder 12 is installed, and the lock pin 14 does not radially move in the sliding groove 132.
Preferably, the limiting groove 141 is a notch formed in the lock pin 14, in this embodiment, an installation groove 142 is formed in the end of the lock pin 14, the installation groove 142 is a stepped structure formed by cutting off a portion smaller than a semicircle at the end of the lock pin 14, and two ends of the elastic member 15 respectively abut against the installation groove 142. The notch can limit the moving distance of the lock pin 14 and prevent the lock pin 14 from rotating, thereby preventing the elastic piece 15 from falling off.
In order to install the latch 14 into the housing 13, at least one latch 14 installation hole 133 is provided on the housing 13 coaxially with the slide groove 132, the latch 14 is inserted into the installation hole 133 when installed, and the pin installation hole 133 is communicated with the insertion hole 11.
In this embodiment for lock body 1 can with the separation that the lock beam 2 is lighter, the tip of lockpin 14 and the activity direction of unblanking of lock beam 2 draw-in groove 21 all are equipped with the inclined plane, and the inclined plane can play better guide effect, is convenient for promote lockpin 14 inward movement to light unblanking.
The lock cylinder 12 in this embodiment is a rotary disc type lock cylinder 12, and the lock cylinder 12 has the same structure as a cipher device in the background art, and will not be described in detail herein.
In order to enable the lock tongue to be separated from the movable space 16, a movable groove 134 for the lock tongue of the lock cylinder 12 to move is arranged on the housing 13, a shielding portion 122 for shielding the movable groove 134 is arranged on the lock cylinder 12, and the shielding portion 122 and the housing of the lock cylinder 12 are of an integrated structure, so that accidental opening is prevented.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that simple modifications and substitutions by those skilled in the art are within the scope of the present invention without departing from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a password lock core, includes password wheel, breach wheel, shaft, lock tongue board and the core shell that has the breach, and the password wheel cup joints outside the breach wheel and with breach wheel swing joint cooperation, and the breach wheel cup joints on the shaft, password wheel and breach wheel linkage cooperation under the normal condition, the spring bolt locate the tip of lock tongue board, its characterized in that: the lock tongue plate is hinged with the core shell, the lock tongue part moves up and down when the lock tongue plate moves, and the lock tongue plate moves upwards when the notch parts of all notch wheels are aligned with the lock tongue plate, and the lock core is in an unlocking state; when the other positions in the circumferential direction of one of the gap wheels are in contact with the lock tongue plate, the lock tongue plate is pressed downwards, and the lock core is in a locking state.
2. The combination lock cylinder of claim 1, wherein: the lock tongue plate is provided with a through groove for the password wheel to pass through, a spring is arranged between the lower end of the lock tongue plate and the bottom of the core shell, and the lock tongue plate elastically abuts against the notch wheel through the upper end of the spring acting piece.
3. The combination lock cylinder of claim 1, wherein: the password wheel and the notch wheel are movably clamped through a tooth-shaped structure, and are in a linkage state when meshed with each other; when the password wheel is disengaged from the notch wheel, the password wheel rotates relative to the notch wheel.
4. The combination lock cylinder of claim 3, wherein: the wheel shaft is movably connected with the core shell, and a spring which enables the notch wheel and the wheel shaft to integrally move in the opposite direction of the tripping direction of the password wheel is arranged between the notch wheel and the core shell outside the wheel shaft.
5. A combination lock provided with a combination lock core according to any one of claims 1 to 4, comprising a lock body and a lock beam, wherein the lock body is provided with a jack for inserting the lock beam, and the combination lock is characterized in that: the lock body include lock core, shell and an at least lockpin, be equipped with the draw-in groove that supplies the lockpin card to go into on the lock beam, lockpin one end elasticity butt is in this draw-in groove, be equipped with the recess that supplies the lock core embedding and supply the spout of lockpin activity on the shell, lockpin joint in this spout and along spout axial activity in the shell, and spout and recess intercommunication, spout and jack intercommunication, lockpin keep away from jack one end and have the activity space that supplies the lockpin activity, the spring bolt of lock core moves about to this activity space under the shutting state in, the spring bolt of lock core is outside this activity space of activity under the state of unblanking.
6. A combination lock as claimed in claim 5, wherein: the lock pin is provided with a limit groove, the lock core is provided with a limit part clamped into the lock pin limit groove, and the limit part is clamped into the limit groove to limit the movable distance of the lock pin; the limiting groove is a notch processed on the lock pin.
7. A combination lock as claimed in claim 5, wherein: an elastic piece for pushing the lock pin towards the direction of the lock beam clamping groove is arranged in the shell; the lock pin is provided with a hole groove for the elastic piece to be embedded in.
8. A combination lock as claimed in claim 7, wherein: the two lock pins are symmetrically arranged, and the elastic piece is arranged between the two lock pins; the shell is provided with at least one locking pin mounting hole which is coaxial with the sliding groove, and the locking pin is placed in the mounting hole during mounting.
9. A combination lock as claimed in claim 5, wherein: the end part of the lock pin and/or the lock beam clamping groove are/is provided with an inclined plane in the unlocking moving direction.
10. A combination lock as claimed in claim 5, wherein: the shell is provided with a movable groove for the movement of a lock tongue of the lock cylinder, and the lock cylinder is provided with a shielding part for shielding the movable groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020662397.1U CN212105470U (en) | 2020-04-27 | 2020-04-27 | Coded lock core and coded lock with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020662397.1U CN212105470U (en) | 2020-04-27 | 2020-04-27 | Coded lock core and coded lock with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212105470U true CN212105470U (en) | 2020-12-08 |
Family
ID=73613227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020662397.1U Active CN212105470U (en) | 2020-04-27 | 2020-04-27 | Coded lock core and coded lock with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212105470U (en) |
-
2020
- 2020-04-27 CN CN202020662397.1U patent/CN212105470U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240524 Address after: 332000, Group 5, Guiao Village, Donggang Township, Xiushui County, Jiujiang City, Jiangxi Province Patentee after: Jiangxi Jinfeng Security Technology Co.,Ltd. Country or region after: China Address before: No. 06, Group 5, Guiao Village, Donggang Township, Xiushui County, Jiujiang City, Jiangxi Province, 332000 Patentee before: Zhu Hongjun Country or region before: China |
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| TR01 | Transfer of patent right |