CN219528687U - Character wheel coded lock - Google Patents
Character wheel coded lock Download PDFInfo
- Publication number
- CN219528687U CN219528687U CN202320643174.4U CN202320643174U CN219528687U CN 219528687 U CN219528687 U CN 219528687U CN 202320643174 U CN202320643174 U CN 202320643174U CN 219528687 U CN219528687 U CN 219528687U
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- China
- Prior art keywords
- reset
- knob
- character wheel
- wheel assembly
- deflector rod
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- 238000000034 method Methods 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims abstract description 9
- 230000009471 action Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
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- Mechanical Control Devices (AREA)
Abstract
The utility model provides a character wheel coded lock, which comprises a knob and a character wheel assembly, wherein the knob and the character wheel assembly can rotate relatively, a containing cavity for containing the character wheel assembly is arranged in the knob, the character wheel assembly comprises a positioning piece, and a deflector rod is arranged on the positioning piece; the reset cam is elastically fixed on the knob and can rotate synchronously with the knob, is suitable for being connected with the deflector rod and is configured to be always in contact with the deflector rod in the movement process of driving the deflector rod, so that the deflector rod can be attached to the lowest end of the cam on the character wheel assembly. Through the utility model, the character wheel code changing is stable and accurate, and the torsion force becomes controllable during unlocking.
Description
Technical Field
The utility model relates to the technical field of coded locks, in particular to a character wheel coded lock.
Background
The prior cam mechanism code-changing coded lock finally drives the character wheel to change the codes by means of gradual change reset convex blocks. For example, CN 217735147U discloses a resetting auxiliary structure of a character wheel coded lock, which comprises a knob capable of rotating relatively and a character wheel assembly, wherein a containing cavity for containing the character wheel assembly is arranged in the middle of the knob, the character wheel assembly comprises a positioning piece, and a deflector rod is arranged on the positioning piece; the reset lug can synchronously rotate with the knob, the reset lug comprises a reset surface and a guide surface which are connected in a matched manner, the guide surface is positioned beside the reset surface, and the reset surface is positioned at the highest position of the reset lug; the auxiliary guide block can move relative to the reset convex block, and the supporting surface of the auxiliary guide block can be positioned beside the reset surface; the deflector rod is connected with the reset convex block in a matched mode, and the deflector rod can be connected with the reset surface and the supporting surface of the auxiliary guide block in a matched mode after the deflector rod is tilted through the guide surface. However, in the actual process, since the reset bump is characterized on the knob, and the sizes of all parts have tolerance, the gap between the deflector rod and the character wheel cannot be accurately controlled, so that the character wheel becomes unstable and inaccurate in code changing, and the unlocking torque force is uncontrollable.
Disclosure of Invention
Therefore, the present utility model is directed to a combination lock for a print wheel, so as to solve the problem that the print wheel is unstable and inaccurate due to the fact that the reset protrusion is on the knob and the tolerance exists between the dimensions of each part, and the gap between the shift lever and the print wheel cannot be controlled accurately.
The utility model adopts the following scheme: the utility model provides a character wheel coded lock, which comprises a knob and a character wheel assembly, wherein the knob and the character wheel assembly can rotate relatively, a containing cavity for containing the character wheel assembly is arranged in the knob, the character wheel assembly comprises a positioning piece, and a deflector rod is arranged on the positioning piece; the reset cam is elastically fixed on the knob and can rotate synchronously with the knob, is suitable for being connected with the deflector rod and is configured to be always in contact with the deflector rod in the movement process of driving the deflector rod, so that the deflector rod can be attached to the lowest end of the cam on the character wheel assembly.
Further, a mounting block is arranged on the knob, the reset lug is fixed on the mounting block, and an elastic piece is arranged between the reset lug and the mounting block so that the reset lug can be elastically adjusted up and down on the mounting block.
Further, the elastic piece is a spring.
Further, the installation block top is provided with the erection column, the elastic component is installed on the erection column, reset the lug bottom be provided with the mounting groove of erection column looks adaptation.
Further, the reset bump comprises a reset surface and a guide surface which are connected in a matched mode, the guide surface is located at the side of the reset surface, and the distance between the reset surface and the base of the knob is higher than that between the guide surface and the base of the knob.
Further, the guide surface is a curved surface or an inclined surface.
Further, the character wheel assembly is provided with a cam, the deflector rod is connected below the cam, and the deflector rod is suitable for driving the cam to move.
Further, the deflector rod comprises a stirring block and a connecting block, wherein the connecting block is suitable for being connected with the reset convex block, and the stirring block is suitable for being kept connected with the cam.
Further, the novel lock further comprises a lock handle, the lock handle is connected with the knob, and a reset torsion spring is arranged between the lock handle and the knob.
The beneficial effects are that:
the utility model adopts an independent reset lug mechanism, the reset lug can automatically adjust the height according to the requirement when unlocking, the gap between the deflector rod and the cam of the character wheel assembly is controlled, in the unlocking process, the reset lug drives the deflector rod to move, the deflector rod drives the character wheel cam to change codes gradually and orderly, when the highest point of the reset lug is reached, the deflector rod drives the character wheel cam to the lowest point, the code changing achieves the effect, the reset lug can automatically adjust the height in the character wheel driving process, when the highest point of the reset lug is reached, the gap between the deflector rod and the character wheel cam is controlled, the joint state is kept, the character wheel code changing is stable and accurate, and simultaneously the torsion force becomes controllable when unlocking.
On the other hand, the utility model also adds a turning technology in the existing lock body fixing mode, adds a reset torsion spring at the joint of the knob and the lock handle, and can automatically turn to a locking state under the action of the reset torsion spring after the rotary knob is unlocked, thereby realizing the unlocking automatic reset function.
Drawings
FIG. 1 is an exploded view of a combination lock for a print wheel according to an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of a combination lock for a character wheel according to an embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional view of a combination lock of a character wheel according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a reset bump of a combination lock for a wheel and a shifter when the reset bump is not connected to the shifter in accordance with an embodiment of the present utility model;
FIG. 5 is a schematic diagram of the structure of the reset bump of the combination lock for a character wheel when connected with a shifting lever according to the embodiment of the utility model;
FIG. 6 is a schematic view of the appearance of a combination lock for a character wheel according to an embodiment of the present utility model;
icon: knob 1, word wheel subassembly 2, cam 21, reset lug 3, guide surface 31, reset surface 32, spring 4, installation piece 5, driving lever 6, connecting block 61, driving piece 62, lock handle 7, lock seat 8, reset torsion spring 9.
Detailed Description
Examples
Referring to fig. 1 to 6, the present embodiment provides a combination lock for a print wheel, which includes a knob 1 and a print wheel assembly 2 that can rotate relatively, wherein a receiving cavity for placing the print wheel assembly 2 is provided in the knob 1, the print wheel assembly 2 includes a positioning member, and a shift lever 6 is provided on the positioning member; the dial wheel assembly further comprises a reset lug 3, wherein the reset lug 3 is elastically fixed on the knob 1 and can rotate synchronously with the knob 1, the reset lug 3 is suitable for being connected with the dial rod 6 and is configured to be always in contact with the dial rod 6 in the process of driving the dial rod 6 to move, so that the dial rod 6 can be attached to the lowest end of the cam 21 on the word wheel assembly 2.
In this embodiment, the knob 1 may be turned to drive the reset bump 3 to rotate, where the reset bump 3 is provided with a reset surface 32 and a guide surface 31 that are connected in a matching manner, the guide surface 31 is located beside the reset surface 32, and the reset surface 32 is located at the highest position of the reset bump 3, that is, the distance between the reset surface 32 and the base of the knob 1 is greater than the distance between the guide surface 31 and the base of the knob 1; the guide surface 31 is configured as a curved surface or an inclined surface, so that when in use, the guide surface 31 can be contacted with the deflector rod 6, thereby driving the deflector rod 6 to rotate so as to drive the cam 21 arranged on the character wheel assembly 2 to rotate, and when the deflector rod 6 moves to the reset surface 32, an automatic code changing effect is realized. The technology of how to perform automatic coding in the character wheel assembly 2 is known in the art, and will not be described in detail herein, for example, reference may be made to chinese patent No.: 201922402453.8, a character wheel coded lock.
As shown in fig. 1 to 3, in this embodiment, a mounting block 5 is disposed on the knob 1, the reset bump 3 is fixed on the mounting block 5, and an elastic member is disposed between the reset bump 3 and the mounting block 5, so that the reset bump 3 can be elastically adjusted up and down on the mounting block 5. Here, the elastic member may be provided as a spring 4, and the specific shape of the mounting block 5 is not limited, and it can be used for fixedly mounting the spring 4, so as to play a supporting role on the reset bump 3, specifically, in an embodiment, a mounting post is provided above the mounting block 5, the spring 4 is mounted on the mounting post, a mounting groove adapted to the mounting post is provided at the bottom of the reset bump 3, and the reset bump 3 is mounted on the mounting post sleeved with the spring 4. By fixing the reset lug 3 on the mounting block 5 with the spring 4, and compressing the spring 4, the reset lug 3 always maintains an upward pretightening force, when the reset lug 3 and the deflector rod 6 start to be in moving connection, the reset lug 3 is subjected to downward pressure which is larger than the pretightening force of the spring 4, and the deflector rod 6 continuously rotates through the action of the guide surface 31 so as to drive the character wheel assembly 2 to move. When the shift lever 6 reaches the reset surface 32 of the reset lug 3, the lowest point of the cam 21 of the character wheel assembly 2 is contacted with the shift lever 6, so that the code changing effect is achieved. In the process of driving the character wheel, the reset lug 3 can automatically adjust the height under the action of the spring 4, when the deflector rod 6 is in contact with the reset surface 32 of the reset lug 3, the deflector rod 6 and the lowest surface of the cam 21 always keep a fitting state at the moment, namely, the gap between the deflector rod 6 and the lowest surface of the cam 21 is effectively controlled, so that the character wheel becomes stable and accurate in code changing, and simultaneously, the torsion force becomes controllable during unlocking.
As shown in fig. 3 to 5, in the present embodiment, the word wheel assembly 2 is provided with a cam 21, the shift lever 6 is connected below the cam 21, the shift lever 6 is adapted to drive the cam 21 to move, and the shift lever 6 includes a shift block 62 and a connection block 61, the connection block 61 is adapted to be connected with the reset bump 3, and the shift block 62 is adapted to be connected with the cam 21. In this arrangement, the shift lever 6 may rotate on the positioning member of the knob 1, and the reset bump 3 drives the rotation of the knob 1 by driving the connection block 61, so as to drive the shift block 62 to shift the cam 21; in this embodiment, since the elastic member is disposed at the bottom of the reset bump 3, the reset bump 3 can always press the toggle block 62 against the cam 21 in the rotation process, so that a gap between the toggle block 62 and the cam 21 due to abrasion or installation error is effectively controlled. Here, the connection block 61 may be connected adjacent to the toggle block 62, and the height of the connection block is lower than that of the toggle block 62, so that the connection block 61 can be preferentially contacted with the reset bump 3 when the knob 1 rotates.
As shown in connection with fig. 1 to 3, in some implementations, the combination lock further includes a lock handle 7, the lock handle 7 is connected to the knob 1, and a reset torsion spring 9 is disposed between the lock handle 7 and the knob 1. Here, the lock handle 7 is mounted on the lock base 8, when the lock handle 7 is driven to rotate, the reset torsion spring 9 is also screwed, and when the lock handle 7 cancels the rotation force, the lock handle 7 automatically returns to the original position under the restoring force of the reset torsion spring 9. According to the scheme, a turning technology is added in an existing lock body fixing mode, a reset torsion spring 9 is added at the joint of a knob 1 and a lock handle 7, and after the knob 1 is turned to unlock, the lock can automatically turn to a locked state under the action of the reset torsion spring 9, so that the unlocking automatic reset function is realized.
Through the scheme of the utility model, the character wheel code changing is stable and accurate, the unlocking torque force is controlled, and the character wheel can automatically return to the locking position after unlocking, so that the automatic resetting function is realized.
It should be understood that: the above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model.
The description of the drawings in the embodiments above illustrates only certain embodiments of the utility model and should not be taken as limiting the scope, since other related drawings may be made by those of ordinary skill in the art without the benefit of the inventive faculty.
Claims (9)
1. The character wheel coded lock comprises a knob and a character wheel assembly, wherein the knob and the character wheel assembly can rotate relatively, a containing cavity for containing the character wheel assembly is formed in the knob, the character wheel assembly comprises a positioning piece, and a deflector rod is arranged on the positioning piece; the method is characterized in that: the reset cam is elastically fixed on the knob and can rotate synchronously with the knob, is suitable for being connected with the deflector rod and is configured to be always in contact with the deflector rod in the movement process of driving the deflector rod, so that the deflector rod can be attached to the lowest end of the cam on the character wheel assembly.
2. The character wheel coded lock according to claim 1, wherein a mounting block is provided on the knob, the reset bump is fixed on the mounting block, and an elastic member is provided between the reset bump and the mounting block so that the reset bump can be elastically adjusted up and down on the mounting block.
3. The combination lock of claim 2, wherein the resilient member is a spring.
4. The character wheel coded lock according to claim 2, wherein a mounting column is arranged above the mounting block, the elastic piece is mounted on the mounting column, and a mounting groove matched with the mounting column is formed in the bottom of the reset protruding block.
5. The combination lock of claim 2, wherein the reset protrusion includes a reset surface and a guide surface cooperatively coupled, the guide surface being located laterally of the reset surface, a distance between the reset surface and the base of the knob being greater than a distance between the guide surface and the base of the knob.
6. The combination lock of claim 5, wherein the guide surface is curved or beveled.
7. The combination lock of claim 1, wherein the wheel assembly is provided with a cam, the lever is connected below the cam, and the lever is adapted to drive the cam.
8. The combination lock of claim 7, wherein the lever includes a toggle block and a connecting block, the connecting block adapted to connect with the reset bump, the toggle block adapted to remain connected with the cam.
9. The combination lock of claim 1, further comprising a lock handle, wherein the lock handle is connected to the knob, and wherein a return torsion spring is disposed between the lock handle and the knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320643174.4U CN219528687U (en) | 2023-03-28 | 2023-03-28 | Character wheel coded lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320643174.4U CN219528687U (en) | 2023-03-28 | 2023-03-28 | Character wheel coded lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219528687U true CN219528687U (en) | 2023-08-15 |
Family
ID=87588083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320643174.4U Active CN219528687U (en) | 2023-03-28 | 2023-03-28 | Character wheel coded lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219528687U (en) |
-
2023
- 2023-03-28 CN CN202320643174.4U patent/CN219528687U/en active Active
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