CN212984913U - Reset structure of character wheel coded lock - Google Patents
Reset structure of character wheel coded lock Download PDFInfo
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- CN212984913U CN212984913U CN202021049440.3U CN202021049440U CN212984913U CN 212984913 U CN212984913 U CN 212984913U CN 202021049440 U CN202021049440 U CN 202021049440U CN 212984913 U CN212984913 U CN 212984913U
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- boss
- limiting
- lug
- resetting
- character wheel
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Abstract
The utility model discloses a reset structure of a character wheel coded lock, which comprises a knob with a holding cavity, a character wheel component and a limiting part, wherein the character wheel component is matched with the holding cavity and can synchronously rotate; the character wheel assembly comprises a plurality of character wheels and character wheel shafts, the character wheels comprise a plurality of clamping grooves which are arranged on the periphery of the character wheels at equal angle intervals and cam parts which are arranged on the side surfaces of the character wheels, and the character wheel shafts sequentially penetrate through the character wheels; the limiting part comprises a rotating shaft, a plurality of clamping jaws which are connected to the rotating shaft and arranged opposite to the clamping grooves, a plurality of push rods which are connected to the rotating shaft and arranged opposite to the cam part, and a limiting lug and a resetting lug which are respectively arranged on two sides of the rotating shaft; the bottom of the accommodating cavity is provided with a limiting boss and a resetting boss on the rotating tracks of the limiting lug and the resetting lug respectively, and the limiting boss and the resetting boss are arranged in a staggered mode so as to avoid the limiting lug from contacting with the limiting boss and the resetting lug from contacting with the resetting boss simultaneously. The utility model discloses possess the function that automatic character wheel resets in the use of tool to lock to the stable function, be difficult for receiving the interference.
Description
Technical Field
The utility model relates to a trick lock technical field especially indicates a reset structure of character wheel trick lock.
Background
The character wheel coded lock has the advantages of convenience of an electronic lock and stability of a key mechanical lock, and is wide in application range in the market. The password of the character wheel coded lock in the early market is kept unchanged when the lock is unlocked, and after the lock is locked, the password needs to be actively and manually dialed to be disordered so as to prevent the password from being recognized and broken by others, so that the potential safety hazard of password leakage exists. Therefore, the character wheel coded lock with the automatic character wheel resetting function is designed in the industry, and after the coded lock is unlocked, the character wheel can be restored to an initial state (such as a full display number of 0) under the control of the resetting structure, so that the leakage of codes is avoided.
In the prior art, most of the reset structures utilize the magnetic attraction principle to reset the character wheels, and although the reset is quick, the reset structure is easily interfered by electromagnetic waves, so that the function of the character wheel coded lock is not stable enough.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a reset structure of character wheel trick lock possesses the function that automatic character wheel resets in the use of tool to lock to the stable function, be difficult for receiving the interference.
In order to achieve the above purpose, the solution of the present invention is:
a reset structure of a character wheel coded lock comprises a knob with an accommodating cavity, a character wheel assembly and a limiting piece, wherein the character wheel assembly is matched with the accommodating cavity and can synchronously rotate; the character wheel assembly comprises a plurality of character wheels and character wheel shafts, each character wheel comprises a plurality of clamping grooves which are arranged on the periphery of the character wheel at equal angle intervals and a cam part arranged on the side surface of the character wheel, and each character wheel is sequentially penetrated through by the character wheel shafts; the limiting part comprises a rotating shaft, a plurality of clamping jaws which are connected to the rotating shaft and arranged opposite to the clamping grooves, a plurality of push rods which are connected to the rotating shaft and arranged opposite to the cam part, and a limiting lug and a resetting lug which are respectively arranged on two sides of the rotating shaft; the bottom of the accommodating cavity is provided with a limiting boss and a resetting boss on the rotating tracks of the limiting boss and the resetting boss respectively, and the limiting boss and the resetting boss are arranged in a staggered manner so as to avoid the simultaneous contact of the limiting boss and the simultaneous contact of the resetting boss and the resetting boss; in the relative rotation process of the knob and the print wheel assembly, when the limiting lug is in contact with the limiting boss, the limiting lug is jacked up by the limiting boss to drive the clamping jaw to rotate and be clamped into the clamping groove to limit the print wheel to rotate; when the reset lug is in contact with the reset boss, the reset lug is jacked up by the reset boss to drive the push rod to rotate and push the cam part to rotate so as to reset the print wheel.
The periphery of the cam part is provided with a contact surface for matching the end part of the push rod.
The limiting boss is provided with a first guiding inclined plane for the limiting lug to be in sliding connection with the limiting lug in a matched mode, and the resetting boss is provided with a second guiding inclined plane for the resetting lug to be in sliding connection with the resetting lug in a matched mode.
The limiting lug is provided with a first sliding connection inclined plane opposite to the first guide inclined plane, and the reset lug is provided with a second sliding connection inclined plane opposite to the second guide inclined plane.
The number of the limit bosses is two, and the limit bosses are arranged on two sides of the reset boss respectively.
The limiting boss is arranged to correspond to the unlocking position and the locking position of the lockset, and the resetting boss is arranged between the unlocking position and the locking position of the lockset.
The angle formed by the push rod and the clamping jaw is larger than 90 degrees.
After the technical scheme is adopted, the utility model discloses a boss and the spacing boss cooperation that resets in locating part and the knob holding chamber, at the rotatory in-process of knob, one of them can contact with the locating part for the jack catch or the push rod of locating part realize spacing or the function that resets, and wherein the contact of push rod and cam portion can make the character wheel reset, thereby possess the function that automatic character wheel resets in the use of tool to lock, and overall structure is the rigidity physical structure, does not receive electromagnetic interference, and the function is more stable.
Drawings
FIG. 1 is a perspective view of a knob according to an embodiment of the present invention;
FIG. 2 is a perspective view of a character wheel assembly and a limiting member according to an embodiment of the present invention;
FIG. 3 is a perspective view of a single print wheel in accordance with an embodiment of the present invention;
FIG. 4 is a schematic view of the embodiment of the present invention for limiting the rotation of the print wheel;
FIG. 5 is a schematic view of the process of resetting the character wheel according to the embodiment of the present invention;
the reference numbers illustrate: a knob 1; an accommodating chamber 11; a limiting boss 12; a first guide slope 121; a reset boss 13; a second guide slope 131; a limiting member 2; a rotating shaft 21; a claw 22; a push rod 23; a limit bump 24; a first sliding contact slope 241; a reset bump 25; a second sliding contact slope 251; a print wheel 3; a card slot 31; a cam portion 32; the contact surface 321; a word wheel axle 4.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
The utility model relates to a reset structure of character wheel trick lock, including knob 1, the cooperation that has holding chamber 11 at holding chamber 11 and synchronous revolution's character wheel subassembly and locating part 2.
The character wheel assembly comprises a plurality of character wheels 3 and character wheel shafts 4, the character wheels 3 comprise a plurality of clamping grooves 31 arranged on the periphery of the character wheels at equal angle intervals and cam parts 32 arranged on the side faces of the character wheels, and the character wheel shafts 4 sequentially penetrate through the character wheels 3.
The limiting member 2 includes a rotating shaft 21, a plurality of claws 22 connected to the rotating shaft 21 and disposed opposite to the engaging grooves 31, a plurality of push rods 23 connected to the rotating shaft 21 and disposed opposite to the cam portions 32, and a limiting protrusion 24 and a reset protrusion 25 respectively disposed at two sides of the rotating shaft 21.
The bottom of the accommodating cavity 11 is provided with a limiting boss 12 and a resetting boss 13 on the rotation tracks of the limiting boss 24 and the resetting boss 25 respectively, and the limiting boss 12 and the resetting boss 13 are arranged in a staggered manner so as to avoid the simultaneous contact of the limiting boss 24 and the limiting boss 12 and the resetting boss 25 and the resetting boss 13.
In the relative rotation process of the knob 1 and the character wheel assembly, when the limiting lug 24 is in contact with the limiting boss 12, the limiting lug 24 is jacked up by the limiting boss 12 to drive the clamping jaw 22 to rotate and be clamped into the clamping groove 31 to limit the rotation of the character wheel 3; when the reset lug 25 contacts the reset boss 13, the reset lug 25 is jacked up by the reset boss 13, and drives the push rod 23 to rotate and pushes the cam part 32 to rotate so as to reset the print wheel 3.
Referring to fig. 1-3, a specific embodiment of the present invention is shown.
The outer periphery of the cam portion 32 is provided with a contact surface 321 for the end of the push rod 23 to engage, and when the end of the push rod 23 abuts against the outer periphery of the cam portion 32, if the end of the push rod 23 is not on the contact surface 321, the cam portion 32 is pushed to rotate around the print wheel shaft 4 until the end of the push rod 23 abuts against the contact surface 321, that is, the print wheel 3 returns to the initial state.
The limiting boss 12 is provided with a first guiding inclined plane 121 for the limiting lug 24 to be in sliding contact and matched, so that the limiting lug 24 is in contact with the limiting boss 12 to realize smooth transition, and the operation hand feeling of a user is improved; the same is true; the reset boss 13 is provided with a second guiding inclined plane 131 for the sliding fit of the reset lug 25.
The limit protrusion 24 is provided with a first sliding contact inclined surface 241 opposite to the first guide inclined surface 121, and the reset protrusion 25 is provided with a second sliding contact inclined surface 251 opposite to the second guide inclined surface 131.
The number of the limit bosses 12 is two, and the limit bosses are respectively arranged at two sides of the reset boss 13, so that in the rotation process of the knob 1, once reset is realized, the rotation of the character wheels 3 is immediately limited, and the numbers of all the character wheels 3 are kept consistent.
The limit boss 12 is arranged corresponding to the unlocking position and the locking position of the lockset, and the reset boss 13 is arranged between the unlocking position and the locking position of the lockset.
The angle formed by the push rod 23 and the claw 22 is larger than 90 degrees, so that when one of the push rod and the claw is contacted with the print wheel 3 (the cam part 32 or the clamping groove 31), the other push rod and the claw are certainly separated from the print wheel 3, and the functions realized by the push rod and the claw are not interfered with each other.
In practical use, the character wheel assembly can be provided with a base, the limiting part 2 is installed on the base to enable the limiting part and the character wheel assembly to rotate synchronously, the base can be installed on a panel of the lock, and the panel is rotatably matched with the rotation.
Referring to fig. 4, in a normal state, the limiting convex block 24 contacts the limiting convex table 12, the limiting convex block 24 is jacked up by the limiting convex table 12, the clamping jaw 22 descends and is clamped into the clamping groove 31 of the character wheel 3, so that the character wheel 3 cannot rotate freely, and the character wheel 3 is shifted to rotate only when a user inputs a password; referring to fig. 5, when the reset protrusion 25 contacts the reset boss 13 during the process of unlocking or locking by rotating the knob 1 by the user, the reset protrusion 25 is pushed up by the reset boss 13, the push rod 23 is turned up and abuts against the outer periphery of the cam portion 32, and if the end of the push rod 23 is not on the contact surface 321, the cam portion 32 is pushed to rotate until the end of the push rod 23 abuts against the contact surface 321, so that the character wheel 3 is reset.
Through the scheme, the utility model discloses a boss 13 and the cooperation of spacing boss 12 reset in locating part 2 and the 1 holding chamber 11 of knob, at the rotation in-process of knob 1, one of them can contact with locating part 2, make jack catch 22 or the push rod 23 of locating part 2 realize spacing or the function that resets, wherein push rod 23 can make character wheel 3 reset with the contact of cam portion 32, thereby possess the function that automatic character wheel 3 resets in the use of tool to lock, and overall structure is the rigidity physical structure, do not receive electromagnetic interference, the function is more stable.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.
Claims (7)
1. The utility model provides a reset structure of character wheel trick lock which characterized in that: the device comprises a knob with an accommodating cavity, a character wheel assembly and a limiting piece, wherein the character wheel assembly is matched with the accommodating cavity and can synchronously rotate;
the character wheel assembly comprises a plurality of character wheels and character wheel shafts, each character wheel comprises a plurality of clamping grooves which are arranged on the periphery of the character wheel at equal angle intervals and a cam part arranged on the side surface of the character wheel, and each character wheel is sequentially penetrated through by the character wheel shafts;
the limiting part comprises a rotating shaft, a plurality of clamping jaws which are connected to the rotating shaft and arranged opposite to the clamping grooves, a plurality of push rods which are connected to the rotating shaft and arranged opposite to the cam part, and a limiting lug and a resetting lug which are respectively arranged on two sides of the rotating shaft;
the bottom of the accommodating cavity is provided with a limiting boss and a resetting boss on the rotating tracks of the limiting boss and the resetting boss respectively, and the limiting boss and the resetting boss are arranged in a staggered manner so as to avoid the simultaneous contact of the limiting boss and the simultaneous contact of the resetting boss and the resetting boss;
in the relative rotation process of the knob and the print wheel assembly, when the limiting lug is in contact with the limiting boss, the limiting lug is jacked up by the limiting boss to drive the clamping jaw to rotate and be clamped into the clamping groove to limit the print wheel to rotate; when the reset lug is in contact with the reset boss, the reset lug is jacked up by the reset boss to drive the push rod to rotate and push the cam part to rotate so as to reset the print wheel.
2. The reset structure of a combination wheel lock as claimed in claim 1, wherein:
the periphery of the cam part is provided with a contact surface for matching the end part of the push rod.
3. The reset structure of a combination wheel lock as claimed in claim 1, wherein:
the limiting boss is provided with a first guiding inclined plane for the limiting lug to be in sliding connection with the limiting lug in a matched mode, and the resetting boss is provided with a second guiding inclined plane for the resetting lug to be in sliding connection with the resetting lug in a matched mode.
4. The reset structure of a combination wheel lock as claimed in claim 3, wherein:
the limiting lug is provided with a first sliding connection inclined plane opposite to the first guide inclined plane, and the reset lug is provided with a second sliding connection inclined plane opposite to the second guide inclined plane.
5. The reset structure of a character wheel combination lock as claimed in any one of claims 1, 3 or 4, wherein:
the number of the limit bosses is two, and the limit bosses are arranged on two sides of the reset boss respectively.
6. The reset structure of a combination wheel lock as claimed in claim 5, wherein:
the limiting boss is arranged to correspond to the unlocking position and the locking position of the lockset, and the resetting boss is arranged between the unlocking position and the locking position of the lockset.
7. The reset structure of a combination wheel lock as claimed in claim 1, wherein:
the angle formed by the push rod and the clamping jaw is larger than 90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021049440.3U CN212984913U (en) | 2020-06-09 | 2020-06-09 | Reset structure of character wheel coded lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021049440.3U CN212984913U (en) | 2020-06-09 | 2020-06-09 | Reset structure of character wheel coded lock |
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| Publication Number | Publication Date |
|---|---|
| CN212984913U true CN212984913U (en) | 2021-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021049440.3U Active CN212984913U (en) | 2020-06-09 | 2020-06-09 | Reset structure of character wheel coded lock |
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| CN (1) | CN212984913U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024007353A1 (en) * | 2022-07-08 | 2024-01-11 | 厦门美科安防科技股份有限公司 | Auxiliary structure for resetting number wheel combination lock |
-
2020
- 2020-06-09 CN CN202021049440.3U patent/CN212984913U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024007353A1 (en) * | 2022-07-08 | 2024-01-11 | 厦门美科安防科技股份有限公司 | Auxiliary structure for resetting number wheel combination lock |
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