CN215889667U - Thumb wheel locking device - Google Patents
Thumb wheel locking device Download PDFInfo
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- CN215889667U CN215889667U CN202121626950.7U CN202121626950U CN215889667U CN 215889667 U CN215889667 U CN 215889667U CN 202121626950 U CN202121626950 U CN 202121626950U CN 215889667 U CN215889667 U CN 215889667U
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- 210000003813 thumb Anatomy 0.000 title claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 230000006835 compression Effects 0.000 claims description 16
- 238000007906 compression Methods 0.000 claims description 16
- 210000001503 joint Anatomy 0.000 claims description 13
- 239000004576 sand Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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Abstract
The utility model relates to the field of anti-theft door locks, in particular to a thumb wheel locking device which comprises a lock shell, a first lock cylinder and a second lock cylinder, wherein the lock shell comprises a first placing hole and a second placing hole; a first placing groove and a second placing groove are respectively arranged in the first lock container and the second lock container, the first placing groove and the second placing groove are respectively connected in a sliding manner and fixedly connected with a first sliding block and a second sliding block in the circumferential direction, the first sliding block is provided with a mounting groove, a first elastic piece and a locking pin are arranged in the mounting groove, a clearance hole and a locking groove for the locking pin to penetrate through are respectively arranged on the first placing groove and in the transmission dial wheel, and the transverse position of the mounting groove is positioned between the bottom surface of the first placing groove and the locking groove; the utility model aims to provide a thumb wheel locking device capable of improving the unlocking resistance against violent damage.
Description
Technical Field
The utility model relates to the field of anti-theft door locks, in particular to a thumb wheel locking device.
Background
The lock is a fastener which is placed on a device capable of being opened and closed and is opened by a door key or a secret code, and from ancient times to present, the lock always guards the safety of human beings and human property. At present, most of locks comprise a lock shell and a transmission thumb wheel, and the lock can be unlocked by rotating the transmission thumb wheel, however, the lock picking capability of some lawless persons is higher and higher, and the lawless persons can violently damage the lock shell and then rotate the transmission thumb wheel to achieve the purpose of unlocking.
The device for preventing the transmission thumb wheel from rotating after the door lock is damaged is a problem to be solved by a designer.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a dial wheel locking device which improves the capability of resisting violent damage to unlock.
The technical scheme adopted by the utility model is as follows: a thumb wheel locking device comprises a lock shell, a first lock liner, a second lock liner and a door key, wherein the lock shell comprises a first placing hole and a second placing hole, the first lock liner and the second lock liner are jointly and rotatably connected with a transmission thumb wheel, a positioning groove is formed in the transmission thumb wheel, the first lock liner and the second lock liner are respectively and rotatably connected in the first placing hole and the second placing hole, an identification unlocking device used for locking the first lock liner or/and the second lock liner is arranged on the lock shell, key cavities for inserting the door key are formed in the first lock liner and the second lock liner, and the identification unlocking device can be unlocked when the door key is inserted into the key cavities; a first placing groove and a second placing groove which face opposite are respectively arranged in the first lock container and the second lock container, a first slide block and a second slide block are respectively arranged in the first placing groove and the second placing groove, a first positioning convex strip and a second positioning convex strip are respectively arranged on the first slide block and the second slide block, a first slide groove which is in sliding connection with the first positioning convex strip and a second slide groove which is in sliding connection with the second positioning groove are respectively arranged on the first placing groove and the second placing groove, the first positioning convex strip or/and the second positioning convex strip are/is clamped in the positioning groove, an installation groove is arranged on the side wall of the first slide block, a first elastic piece and a locking pin are arranged in the installation groove in a butting mode, a clearance hole for the locking pin to pass through is arranged on the first placing groove, a locking groove for the pin to extend into is arranged in the transmission shifting wheel, the mounting groove transverse position is located between the first mounting groove bottom surface and the locking groove, and the first elastic piece drives the locking pin to abut against the inner wall of the first mounting groove.
When a door key is not inserted into the first lock liner or the second lock liner, the first lock liner is locked in the first mounting hole, the second lock liner is locked in the second mounting hole, the first sliding block, the second sliding block and the transmission shifting piece are circumferentially fixed, the mounting groove is transversely positioned between the bottom surface of the first mounting groove and the locking groove, when the second lock liner and the second mounting hole are damaged, the locking pin penetrates through the clearance hole and extends into the locking groove in the process of taking out the first sliding block to realize the fixed connection of the first mounting hole, the first lock liner, the first sliding block and the transmission shifting piece, and the transmission shifting wheel is prevented from being forcibly rotated, so that the anti-theft door has an anti-theft function.
Further, a second elastic piece is arranged between the first arranging groove and the first sliding block in a butt joint mode, and the second elastic piece drives the first sliding block, the second sliding block and the bottom face of the second arranging groove to be sequentially mutually in butt joint.
When the second lock cylinder and the second placing hole are damaged, the second elastic piece can drive the first sliding block to slide, so that the locking pin automatically penetrates through the clearance hole and extends into the locking groove, the transmission shifting wheel is automatically locked, and the anti-theft performance of the anti-theft lock is further enhanced.
Furthermore, the second elastic piece is a tower-shaped compression spring, and a connecting column connected with one end of the tower-shaped compression spring is arranged on the first sliding block.
The tower-shaped compression spring can effectively relieve vertical and horizontal impact force, one end of the tower-shaped compression spring is connected with the connecting column, the connecting state is very stable, the second elastic piece is effectively prevented from being separated from the working position in the process of being damaged, and the anti-theft function can be effectively realized.
Furthermore, the identification unlocking device comprises a plurality of pairs of first blades and second blades which are attached to each other, and repulsion springs which are abutted to drive the first blades and the second blades to be away from each other, and a plurality of blade grooves for the sliding connection of the first blades and the second blades are formed in the first lock cylinder and the second lock cylinder; the first blade and the second blade are respectively provided with an identification hole for a door key to pass through, two side edges of the door key are respectively provided with a tooth pattern, and the first blade and the second blade are respectively provided with an identification bulge for abutting against the tooth pattern; seted up on first lock courage and the second lock courage and moved back a mouthful groove, it is provided with a plurality of and keeps away the vacancy portion to move back to communicate between mouthful groove and the key chamber, it is provided with third elastic component and set bar to move back mouthful inslot butt, all be provided with the joint groove that supplies the set bar joint in first arrangement hole and the second arrangement hole, first blade and second blade bottom are provided with the butt joint groove, and only when all butt joint grooves are a sharp setting after the door key inserts, the set bar can break away from joint groove and butt income butt joint inslot.
The first lock cylinder, the transmission dial wheel and the second lock cylinder are all rotated to the same circumferential position when a door key is inserted and pulled out at each time, so that the clearance hole is automatically aligned with the dead lock groove, and the anti-theft function is easier to realize.
Further, discernment unlocking device includes that a plurality of matches post, compression leg, fourth elastic component, be provided with slide channel in the lock shell, be provided with the matching passageway of inside and outside intercommunication on first lock courage and the second lock courage, matching passageway and slide channel can align and cross sectional shape is the same, slide channel sliding connection compression leg all the time, matching passageway sliding connection matches the post all the time, is provided with the matching groove that supplies to match the discernment of post butt on the door key, and door key inserts the back and matches post and the mutual butt department of compression leg is located on the arcuation face at first lock courage or second lock courage surface place.
The utility model utilizes the design of combining the spring lock and the blade lock, greatly increases the difficulty of the tilting lock and ensures that the anti-theft effect of the utility model is better.
Furthermore, one end of the first positioning convex strip, which is close to the second positioning convex strip, is arranged in an arc-shaped surface; one end of the second positioning convex strip, which is close to the first positioning convex strip, is arranged in an arc-shaped surface.
The situation that the first sliding block and the second sliding block are blocked in the moving process is reduced, so that the use of the utility model is more convenient.
Compared with the prior art, the utility model has the following beneficial effects:
1. when the second lock core and the second placing hole are damaged, the locking pin penetrates through the clearance hole and extends into the locking groove in the process of taking out the first sliding block, so that the first placing hole, the first lock core, the first sliding block and the transmission shifting piece are fixedly connected, the transmission shifting wheel is prevented from being forcibly rotated, and the anti-theft function is achieved.
2. When the second lock cylinder and the second placing hole are damaged, the second elastic piece can drive the first sliding block to slide, so that the locking pin automatically penetrates through the clearance hole and extends into the locking groove, the transmission shifting wheel is automatically locked, and the anti-theft performance of the anti-theft lock is further enhanced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of the complete structure of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic view of the destroyed structure of the present invention;
FIG. 5 is a schematic view of the destroyed internal structure of the present invention;
FIG. 6 is a schematic view of a first bladder member of the present invention;
FIG. 7 is a partial schematic structural view of the present invention;
FIG. 8 is a schematic view of a drive wheel assembly of the present invention;
the label information of the utility model is as follows:
1. a lock case; 2. a first lock cylinder; 3. a second lock core; 4. a door key; 5. a first placement hole; 6. a second placement hole; 7. a transmission dial wheel; 8. a positioning groove; 9. a key cavity; 10. a first placement groove; 11. a second placement groove; 12. a first slider; 13. a second slider; 14. a first positioning convex strip; 15. a second positioning convex strip; 16. a first chute; 17. a second chute; 18. mounting grooves; 19. a first elastic member; 20. locking the pin; 21. avoiding a void; 22. a locking groove; 23. a second elastic member; 24. connecting columns; 25. a first blade; 26. a second blade; 27. a repulsive force spring; 28. identifying a hole; 29. tooth pattern; 30. identifying the bumps; 31. a receding groove; 32. an evacuation section; 33. a third elastic member; 34. a lock bolt; 35. a clamping groove; 36. a butt joint groove; 37. a matching column; 38. pressing the column; 39. a fourth elastic member; 40. a slide channel; 41. a matching channel; 42. a matching groove; 43. a vane groove.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 8 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 2: a thumb wheel locking device comprises a lock shell 1, a first lock liner 2, a second lock liner 3 and a door key 4, wherein the lock shell 1 comprises a first placing hole 5 and a second placing hole 6, the first lock liner 2 and the second lock liner 3 are jointly and rotatably connected with a transmission thumb wheel 7, a positioning groove 8 is formed in the transmission thumb wheel 7, the first lock liner 2 and the second lock liner 3 are respectively and rotatably connected into the first placing hole 5 and the second placing hole 6, an identification unlocking device for locking the first lock liner 2 or/and the second lock liner 3 is arranged on the lock shell 1, key cavities 9 for inserting the door keys 4 are formed in the first lock liner 2 and the second lock liner 3, and the identification unlocking device can be unlocked when the door keys 4 are inserted into the key cavities 9; a first placing groove 10 and a second placing groove 11 which face to each other are respectively arranged in the first lock container 2 and the second lock container 3, a first sliding block 12 and a second sliding block 13 are respectively arranged in the first placing groove 10 and the second placing groove 11, a first positioning convex strip 14 and a second positioning convex strip 15 are respectively arranged on the first sliding block 12 and the second sliding block 13, a first sliding groove 16 connected with the first positioning convex strip 14 in a sliding manner and a second sliding groove 17 connected with the second positioning groove 8 in a sliding manner are respectively arranged on the first placing groove 10 and the second placing groove 11, preferably, the first sliding groove 16 is connected with the end part of the first placing groove 10, and preferably, the second sliding groove 17 is connected with the end part of the second placing groove 11; first location sand grip 14 or second location sand grip 15 joint in positioning groove 8, mounting groove 18 has been seted up on the first slider 12 lateral wall, the butt is provided with first elastic component 19 and slides and is provided with dead lock pin 20 in the mounting groove 18, set up the clearance hole 21 that supplies dead lock pin 20 to pass on the first resettlement groove 10, the dead lock groove 22 that supplies the pin to stretch into is seted up to transmission thumb wheel 7 inside, 18 lateral position in mounting groove is located between first resettlement groove 10 bottom surface and the dead lock groove 22, the dead lock pin 20 butt of first elastic component 19 drive lock is on first resettlement groove 10 inner wall.
As shown in fig. 1, 3, 4, 5, 8: when the door key 4 is not inserted into the first lock core 2 or the second lock core 3, the first lock core 2 is locked in the first placement hole 5, the second lock core 3 is locked in the second placement hole 6, the first slide block 12, the second slide block 13 and the transmission shifting piece are circumferentially fixed, the installation groove 18 is transversely positioned between the bottom surface of the first placement groove 10 and the locking groove 22, when the second lock core 3 and the second placement hole 6 are damaged, the locking pin 20 penetrates through the clearance hole 21 and extends into the locking groove 22 in the process of taking out the first slide block 12, so that the fixed connection of the first placement hole 5, the first lock core 2, the first slide block 12 and the transmission shifting piece is realized, the transmission shifting wheel 7 is prevented from being forcibly rotated, and the anti-theft function is realized.
When the anti-theft door lock is used, the anti-theft door lock needs to be installed on a door, and when the first placing hole 5 and the first lock liner 2 are installed in the door and face towards the inner side, the anti-theft door lock has an anti-theft function for the lock picking action of damaging the door from the outside to the inside; in contrast, when the first placing hole 5 and the first lock liner 2 are installed in the door and face outwards, the anti-theft lock has an anti-theft function for the lock picking behavior damaged outwards from the door; in addition, when the second slide block 13 is also provided with the mounting groove 18, the first elastic element 19 and the locking pin 20, and the second mounting groove 11 is provided with the corresponding clearance hole 21 and the corresponding locking groove 22, the anti-theft lock can play a role in anti-theft regardless of the lock picking action caused by the damage from the outside to the inside of the door or from the inside to the outside of the door.
A second elastic piece 23 is arranged between the first placing groove 10 and the first sliding block 12 in an abutting mode, and the second elastic piece 23 drives the bottom surfaces of the first sliding block 12, the second sliding block 13 and the second placing groove 11 to sequentially abut against each other; when the second lock cylinder 3 and the second placing hole 6 are damaged, the second elastic piece 23 can drive the first sliding block 12 to slide, so that the locking pin 20 automatically penetrates through the clearance hole 21 and extends into the locking groove 22, and the transmission shifting wheel 7 is automatically locked, thereby further enhancing the anti-theft performance of the utility model; the second elastic part 23 is a tower-shaped compression spring, and a connecting column 24 connected with one end of the tower-shaped compression spring is arranged on the first sliding block 12; the tower-shaped compression spring can effectively relieve vertical and horizontal impact force, one end of the tower-shaped compression spring is connected with the connecting column 24, the connecting state is very stable, the second elastic piece 23 is effectively prevented from being separated from the working position in the process of being damaged, and the anti-theft function can be effectively realized.
As shown in fig. 6 and 7: the identification unlocking device comprises a plurality of pairs of first blades 25 and second blades 26 which are attached to each other, and a repulsive force spring 27 which drives the first blades 25 and the second blades 26 to be away from each other in an abutting mode, wherein a plurality of blade grooves 43 for slidably connecting the pair of first blades 25 and the pair of second blades 26 are formed in the first lock cylinder 2 and the second lock cylinder 3; the first blade 25 and the second blade 26 are both provided with identification holes 28 for the door key 4 to pass through, both side edges of the door key 4 are both provided with teeth 29, and the first blade 25 and the second blade 26 are both provided with identification protrusions 30 for abutting against the teeth 29; the first lock container 2 and the second lock container 3 are provided with a receding groove 31, a plurality of clearance parts 32 are communicated between the receding groove 31 and the key cavity 9, a third elastic part 33 and a lock bolt 34 are arranged in the receding groove 31 in an abutting mode, clamping grooves 35 for clamping the lock bolt 34 are arranged in the first placing hole 5 and the second placing hole 6, butt joint grooves 36 are arranged at the bottoms of the first blade 25 and the second blade 26, and the lock bolt 34 can be separated from the clamping grooves 35 and abutted into the butt joint grooves 36 only when all the butt joint grooves 36 are arranged in a straight line after the door key 4 is inserted; the first lock cylinder 2, the transmission thumb wheel 7 and the second lock cylinder 3 are all rotated to the same circumferential position when the door key 4 is inserted and pulled out at every time, so that the clearance hole 21 is automatically aligned with the dead lock groove 22, and the anti-theft function is easier to realize.
According to the present invention, it is preferable that the two side surfaces of the locking groove 35 form an obtuse angle, and it is preferable that when the locking bolts 34 on the first locking bolt 34 and the second locking bolt 34 are both locked in the locking groove 35, the first positioning protruding strip 14 and the second positioning protruding strip 15 are circumferentially oriented to the same angle.
The identification unlocking device further comprises a plurality of matching columns 37, a pressing column 38 and a fourth elastic piece 39, a sliding channel 40 is arranged in the lock shell 1, matching channels 41 which are communicated with the inside and the outside are arranged on the first lock liner 2 and the second lock liner 3, the matching channels 41 and the sliding channels 40 can be aligned and have the same cross section shape, the sliding channel 40 is always in sliding connection with the pressing column 38, the matching channels 41 are always in sliding connection with the matching columns 37, a matching groove 42 for abutting and identifying the matching columns 37 is arranged on the door key 4, and the abutting positions of the matching columns 37 and the pressing column 38 after the door key 4 is inserted are located on arc surfaces where the first lock liner 2 or the second lock liner 3 and the outer surface are located; the utility model utilizes the design of combining the spring lock and the blade lock, greatly increases the difficulty of the tilting lock and ensures that the anti-theft effect of the utility model is better.
One end of the first positioning convex strip 14 close to the second positioning convex strip 15 is arranged in an arc-shaped surface; one end of the second positioning convex strip 15 close to the first positioning convex strip 14 is arranged in an arc-shaped surface; the situation that the first sliding block 12 and the second sliding block 13 are blocked in the moving process is reduced, so that the use of the utility model is more convenient.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A thumb wheel locking device comprises a lock shell (1), a first lock core (2), a second lock core (3) and a door key (4), the lock shell (1) comprises a first placing hole (5) and a second placing hole (6), the first lock cylinder (2) and the second lock cylinder (3) are jointly and rotatably connected with a transmission dial wheel (7), a positioning groove (8) is arranged in the transmission dial wheel (7), the door lock is characterized in that the first lock liner (2) and the second lock liner (3) are respectively rotatably connected in the first arranging hole (5) and the second arranging hole (6), the lock shell (1) is provided with an identification unlocking device for locking the first lock liner (2) or/and the second lock liner (3), the first lock liner (2) and the second lock liner (3) are respectively provided with a key cavity (9) for inserting the door key (4), and the door key (4) can be inserted into the key cavity (9) to unlock the identification unlocking device; be provided with respectively in first lock courage (2) and second lock courage (3) towards relative first resettlement groove (10) and second resettlement groove (11), be provided with first slider (12) and second slider (13) in first resettlement groove (10) and second resettlement groove (11), be provided with first location sand grip (14) and second location sand grip (15) on first slider (12) and second slider (13) respectively, be provided with respectively on first resettlement groove (10) and second resettlement groove (11) first spout (16) with first location sand grip (14) sliding connection and with second location recess (8) sliding connection's second spout (17), first location sand grip (14) or/and second location sand grip (15) joint in location recess (8), its characterized in that: seted up mounting groove (18) on first slider (12) lateral wall, the butt is provided with first elastic component (19) and slides and is provided with dead lock pin (20) in mounting groove (18), offer on first resettlement groove (10) and supply dead lock pin (20) to pass clearance hole (21), the inside dead lock groove (22) of confession pin stretching into of seting up of transmission thumb wheel (7), mounting groove (18) lateral position is located between first resettlement groove (10) bottom surface and the dead lock groove (22), dead lock pin (20) butt of first elastic component (19) drive lock is on first resettlement groove (10) inner wall.
2. The thumb wheel deadlocking apparatus of claim 1, wherein: a second elastic piece (23) is arranged between the first arranging groove (10) and the first sliding block (12) in a butt joint mode, and the second elastic piece (23) drives the bottom surfaces of the first sliding block (12), the second sliding block (13) and the second arranging groove (11) to be mutually abutted in sequence.
3. The thumb wheel deadlocking apparatus of claim 2, wherein: the second elastic piece (23) is a tower-shaped compression spring, and a connecting column (24) connected with one end of the tower-shaped compression spring is arranged on the first sliding block (12).
4. The thumb wheel deadlocking apparatus of claim 1, 2 or 3, wherein: the identification unlocking device comprises a plurality of pairs of first blades (25) and second blades (26) which are attached to each other and a repulsion spring (27) which is abutted to drive the first blades (25) and the second blades (26) to be away from each other, and a plurality of blade grooves (43) for slidably connecting the first blades (25) and the second blades (26) are formed in the first lock cylinder (2) and the second lock cylinder (3); the first blade (25) and the second blade (26) are respectively provided with an identification hole (28) for the door key (4) to pass through, two side edges of the door key (4) are respectively provided with a tooth pattern (29), and the first blade (25) and the second blade (26) are respectively provided with an identification bulge (30) for abutting against the tooth pattern (29); seted up on first lock courage (2) and second lock courage (3) and moved back a mouthful groove (31), it is provided with a plurality of between a mouthful groove (31) and key chamber (9) and keeps away vacancy portion (32) to move back the intercommunication, it is provided with third elastic component (33) and set bar (34) to move back the butt in mouthful groove (31), all be provided with joint groove (35) that supply set bar (34) joint in first place hole (5) and the second place hole (6), first blade (25) and second blade (26) bottom are provided with butt joint groove (36), and only when all butt joint groove (36) were a sharp setting after door key (4) inserted, set bar (34) can break away from joint groove (35) and butt income butt joint groove (36).
5. The thumb wheel deadlocking apparatus of claim 4, wherein: the identification unlocking device comprises a plurality of matching columns (37), compression columns (38) and a fourth elastic piece (39), a sliding channel (40) is arranged in the lock shell (1), a matching channel (41) which is communicated with the inside and the outside is arranged on the first lock container (2) and the second lock container (3), the matching channel (41) and the sliding channel (40) can be aligned and have the same cross section shape, the sliding channel (40) is always in sliding connection with the compression columns (38), the matching channel (41) is always in sliding connection with the matching columns (37), a matching groove (42) for butt identification of the matching columns (37) is arranged on the door key (4), and the mutual butt positions of the matching columns (37) and the compression columns (38) after the door key (4) is inserted are located on the arc-shaped surface where the outer surface of the first lock container (2) or the second lock container (3) is located.
6. The wheel locking apparatus of claim 1, 2, 3 or 5, wherein: one end of the first positioning convex strip (14) close to the second positioning convex strip (15) is arranged in an arc-shaped surface; one end of the second positioning convex strip (15) close to the first positioning convex strip (14) is arranged in an arc-shaped surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121626950.7U CN215889667U (en) | 2021-07-17 | 2021-07-17 | Thumb wheel locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121626950.7U CN215889667U (en) | 2021-07-17 | 2021-07-17 | Thumb wheel locking device |
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| Publication Number | Publication Date |
|---|---|
| CN215889667U true CN215889667U (en) | 2022-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121626950.7U Active CN215889667U (en) | 2021-07-17 | 2021-07-17 | Thumb wheel locking device |
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| CN (1) | CN215889667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114734591A (en) * | 2022-03-04 | 2022-07-12 | 青岛海尔模具有限公司 | Secondary ejection mechanism of injection mold and injection mold |
-
2021
- 2021-07-17 CN CN202121626950.7U patent/CN215889667U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114734591A (en) * | 2022-03-04 | 2022-07-12 | 青岛海尔模具有限公司 | Secondary ejection mechanism of injection mold and injection mold |
| CN114734591B (en) * | 2022-03-04 | 2024-04-12 | 卡奥斯模具(青岛)有限公司 | Injection mold's secondary ejection mechanism and injection mold |
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Effective date of registration: 20231207 Address after: 338000, 4th Floor, Building 3, Phase I Small and Micro Incubation Base, Chengdong Industrial Park, Fenyi County, Xinyu City, Jiangxi Province Patentee after: Jiangxi Mingsheng Lock Industry Co.,Ltd. Address before: 325000 Room 201, building 4, No.1 Chaoxin Road, Lucheng District, Wenzhou City, Zhejiang Province Patentee before: Wenzhou Mingsheng lock Co.,Ltd. |