CN209874689U - Unlocking structure by inserting key from bottom of fingerprint lock - Google Patents
Unlocking structure by inserting key from bottom of fingerprint lock Download PDFInfo
- Publication number
- CN209874689U CN209874689U CN201920327499.5U CN201920327499U CN209874689U CN 209874689 U CN209874689 U CN 209874689U CN 201920327499 U CN201920327499 U CN 201920327499U CN 209874689 U CN209874689 U CN 209874689U
- Authority
- CN
- China
- Prior art keywords
- gear
- square shaft
- shaft sleeve
- square
- lock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims 4
- 238000009434 installation Methods 0.000 abstract 1
- 230000007246 mechanism Effects 0.000 description 4
- 238000005034 decoration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- Lock And Its Accessories (AREA)
Abstract
The utility model discloses an unlocking structure for inserting a key from the bottom of a fingerprint lock, which comprises a lock surface, a lock core and a gear box assembly, wherein the gear box assembly comprises a square shaft, a square shaft sleeve, a gear upper cover, a gear lower cover, a driven gear and a driving gear, wherein the gear lower cover is covered with the gear upper cover; the gear upper cover is provided with a shaft sleeve hole, the square shaft sleeve is rotatably arranged in the shaft sleeve hole, the bottom of the square shaft sleeve is provided with a first tooth-shaped part meshed with the driven gear, the top of the square shaft sleeve is provided with a square hole, and the square shaft is fixedly arranged in the square hole; the driven gear is rotatably arranged in the gear upper cover, the driven gear is provided with a second tooth-shaped part which is meshed with the driving gear, the lock cylinder is mutually inserted with one end of the driving gear, and the gear lower cover and the lock surface are mutually fixed. Its advantage is that the outside key inserts the lock core and rotates, and the lock core passes through the driving gear, and driven gear drives the square shaft cover rotatory, and the square shaft cover drives the square shaft rotation to realize unblanking, the structure modularization, easy installation, it is stable, reliable.
Description
Technical Field
The utility model belongs to the technical field of the lock technique and specifically relates to a key structure of unblanking is inserted from fingerprint lock bottom.
Background
At present, most of key unlocking mechanisms of locks on the market are arranged on the front side, lock cylinder holes are exposed or a cover is added, the lock cylinder holes of the key unlocking mechanisms are easy to see and then are opened technically, so that the key unlocking mechanisms are easy to technically unlock and are not anti-theft.
In addition, some key unlocking mechanisms are placed at the bottom of the fingerprint lock, but the structure is not anti-insertion, and the needle is used for jacking from the lower end, so that the fingerprint lock can be unlocked, or the structure is complicated, the modularization is not realized, and the fingerprint lock is unstable.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the not enough of prior art, provide a structure of unblanking is inserted to key from fingerprint lock bottom.
The utility model discloses a technical scheme:
a key is inserted from the bottom of a fingerprint lock to unlock the structure, which comprises a lock surface, a lock cylinder and a gear box assembly, wherein the gear box assembly comprises a square shaft, a square shaft sleeve, a gear upper cover, a gear lower cover, a driven gear and a driving gear, wherein the gear lower cover is covered with the gear upper cover; the gear upper cover is provided with a shaft sleeve hole, the square shaft sleeve is rotatably arranged in the shaft sleeve hole, the bottom of the square shaft sleeve is provided with a first tooth-shaped part meshed with the driven gear, the top of the square shaft sleeve is provided with a square hole, and the square shaft is fixedly arranged in the square hole; the driven gear is rotatably arranged in the gear upper cover, the driven gear is provided with a second tooth-shaped part meshed with the driving gear, the lock cylinder is mutually inserted with one end of the driving gear, and the gear lower cover and the lock surface are mutually fixed.
One preferred scheme is that the square shaft sleeve is provided with a threaded hole communicated with the square hole, and a headless screw for fixing the square shaft is arranged in the threaded hole.
In a preferred embodiment, the first tooth-shaped portion is a spur gear, the second tooth-shaped portion is parallel to the driven gear, the second tooth-shaped portion is a helical gear, and the driving gear is a helical gear.
The utility model provides a be equipped with the fixed column in the gear lower cover, the lateral wall of fixed column is equipped with the constant head tank, the one end butt of driving gear is in the constant head tank, the top of fixed column and driven gear's main shaft butt.
One preferred scheme is that the gear upper cover penetrates through a positioning hole, and a positioning shaft of the driven gear is rotatably arranged in the positioning hole.
One preferred scheme is that one end of the driving gear is provided with a flat groove, one end of the lock cylinder is provided with a flat boss inserted into the flat groove, and the flat boss of the lock cylinder is inserted into the flat groove of the driving gear.
Synthesize above-mentioned technical scheme, the beneficial effects of the utility model: an external key is inserted into the lock cylinder and rotates, the lock cylinder drives the square shaft sleeve to rotate through the driving gear and the driven gear, and the square shaft sleeve drives the square shaft to rotate, so that unlocking is realized; the driven gear, the driving gear, the square shaft sleeve, the gear lower cover and the gear upper cover are assembled to form a gear box combination, the gear box combination is locked and fixed with the lock surface through a gear box screw, and the gear box combination is modular in structure, easy to install, stable and reliable; the lock core bottom is prevented inserting and is unblanked, and the lock core hole is hidden.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is an exploded view of the present invention;
fig. 3 is a cross-sectional view of the present invention.
Detailed Description
For the purpose of illustrating the spirit and purposes of the present invention, the present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 3, the key-inserting unlocking structure comprises a lock face 10, a lock cylinder 70 and a gear box assembly; the gear box assembly comprises a square shaft 20, a square shaft sleeve 30, a gear upper cover 41, a gear lower cover 42 covered with the gear upper cover 41, a driven gear 50 and a driving gear 60; the gear upper cover 41 is provided with a shaft sleeve hole 43, the square shaft sleeve 30 is rotatably arranged in the shaft sleeve hole 43, the bottom of the square shaft sleeve 30 is provided with a first tooth-shaped part 31 which is meshed with the driven gear 50, the top of the square shaft sleeve is provided with a square hole 32, and the square shaft 20 is fixedly arranged in the square hole 32; the driven gear 50 is rotatably disposed in the gear upper cover 41, the driven gear 50 is provided with a second tooth portion 61 engaged with the driving gear 60, the lock cylinder 70 is inserted into one end of the driving gear 60, and the gear lower cover 42 is fixed to the lock surface 10. The square shaft 20, the square shaft sleeve 30, the gear upper cover 41, the gear lower cover 42, the driven gear 50 and the driving gear 60 are assembled to form a gear box assembly, and then the gear box assembly is locked with the locking surface 10 through gear box screws. When a key is inserted from the bottom of the lock cylinder 70 to rotate, the front end of the lock cylinder rotates to drive the driving gear 60 to rotate, the helical teeth of the driving gear 60 are meshed with the second toothed portion 61 to drive the driven gear 50 to rotate in the vertical direction, the straight teeth of the driven gear 50 are meshed with the first toothed portion 31 to drive the square shaft sleeve 30 to rotate, and the square shaft sleeve 30 rotates to drive the square shaft 20 to rotate; the square shaft 20 extends into the square hole of the lock body in the door, and drives the square hole of the lock body to rotate so as to unlock the lock. Key and lock core 70 drive the driving gear 60 rotates, is a rotating-structure, even from indicating the utility model discloses a bottom is punched and is stretched into the needle-like thing, or breaks lock core 70, also can't unblank, and the security is high.
As shown in fig. 1 to 3, the square boss 30 is provided with a screw hole penetrating the square hole 32, and a headless screw 33 for fixing the square shaft 20 is provided in the screw hole.
As shown in fig. 1 to 3, the first tooth-shaped portion 31 is a spur gear, the second tooth-shaped portion 61 is parallel to the driven gear 50, the second tooth-shaped portion 61 is a helical gear, and the driving gear 60 is a helical gear.
As shown in fig. 1 to 3, the gear upper cover 41 has a positioning hole 44 formed therethrough, and a positioning shaft of the driven gear 50 is rotatably disposed in the positioning hole 44.
As shown in fig. 1 to 3, a flat groove 61 is formed at one end of the driving gear 60, a flat boss 71 inserted into the flat groove 61 is formed at one end of the key cylinder 70, and the flat boss 71 of the key cylinder 70 is inserted into the flat groove 61 of the driving gear 60.
As shown in fig. 1 to 3, the square shaft 20 is placed in the square hole 32 of the square shaft sleeve 30 and is locked and fixed by a headless screw 33; the square shaft sleeve 30 is provided with a straight gear, the driven gear 50 is also a straight gear, and the straight gear of the square shaft sleeve 30 is meshed with the driven gear 50; the driven gear 50 is provided with a second tooth-shaped part 61 which is meshed with the driving gear 60, the second tooth-shaped part 61 and the driving gear 60 are helical gears, and the second tooth-shaped part 61 and the driving gear 60 are meshed with each other; the gear upper cover 41 is provided with a shaft sleeve hole 43 and a positioning hole 44, the positioning hole 44 is used for positioning a main shaft of the driven gear 50, the square shaft sleeve 30 is rotatably arranged in the shaft sleeve hole 43, the gear upper cover 41 and the gear lower cover 42 are fixed through four gear box screws to form a gear box body, the gear box body is arranged in the front side of the front face, one end of the driving gear 60 is provided with a flat groove 61, one end of the lock cylinder 70 is provided with a flat boss 71 inserted into the flat groove 61, the flat boss 71 of the lock cylinder 70 is inserted into the flat groove 61 of the driving gear 60, and the lock cylinder 70 is locked and fixed with the lock face 10 through two lock cylinder fixing.
As shown in fig. 1 to 3, a fixing column 62 is disposed in the gear lower cover 42, a positioning groove 63 is disposed on a side wall of the fixing column 62, one end of the driving gear abuts against the positioning groove 63, and a top of the fixing column 62 abuts against the main shaft 51 of the driven gear 50.
As shown in fig. 1 to 3, the driven gear 50, the driving gear 60, the square shaft sleeve 30, the gear lower cover 42 and the gear upper cover 41 form a gear box combination after being assembled, the gear box combination is locked and fixed with the lock surface 10 through gear box screws, and the structure is modular, easy to install, stable and reliable.
As shown in fig. 1 to 3, when a key is inserted from the bottom of the key cylinder and rotated, the key cylinder drives the driving gear 60 to rotate, the driving gear 60 is meshed with the second toothed portion 61 and drives the second toothed portion 61 to rotate, the second toothed portion 61 and the driven gear 50 rotate synchronously, the driven gear 50 is meshed with the first toothed portion 31, so as to drive the square shaft sleeve 30 to rotate, and the square shaft sleeve 30 rotates to drive the square shaft 20 to rotate, so as to achieve unlocking.
The above is a detailed implementation manner of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (6)
1. A key is inserted from the bottom of a fingerprint lock to unlock the structure, which is characterized by comprising a lock surface, a lock cylinder and a gear box assembly, wherein the gear box assembly comprises a square shaft, a square shaft sleeve, a gear upper cover, a gear lower cover, a driven gear and a driving gear, wherein the gear lower cover is covered with the gear upper cover; the gear upper cover is provided with a shaft sleeve hole, the square shaft sleeve is rotatably arranged in the shaft sleeve hole, the bottom of the square shaft sleeve is provided with a first tooth-shaped part meshed with the driven gear, the top of the square shaft sleeve is provided with a square hole, and the square shaft is fixedly arranged in the square hole; the driven gear is rotatably arranged in the gear upper cover, the driven gear is provided with a second tooth-shaped part meshed with the driving gear, the lock cylinder is mutually inserted with one end of the driving gear, and the gear lower cover and the lock surface are mutually fixed.
2. The fingerprint lock bottom key insertion unlocking structure according to claim 1, wherein the square shaft sleeve is provided with a threaded hole which is communicated with the square hole, and a headless screw for fixing the square shaft is arranged in the threaded hole.
3. The key insertion unlocking structure of claim 1, wherein the first tooth-shaped portion is a spur gear, the second tooth-shaped portion is parallel to the driven gear, the second tooth-shaped portion is a helical gear, and the driving gear is a helical gear.
4. The bottom key insertion unlocking structure of the fingerprint lock according to claim 1, wherein a fixed column is arranged in the gear lower cover, a positioning groove is arranged on the side wall of the fixed column, one end of the driving gear abuts against the positioning groove, and the top of the fixed column abuts against the main shaft of the driven gear.
5. The bottom key insertion unlocking structure of claim 1, wherein the gear upper cover has a positioning hole through it, and the positioning shaft of the driven gear is rotatably disposed in the positioning hole.
6. The fingerprint lock with a key inserted from the bottom thereof as claimed in claim 1, wherein said driving gear has a flat slot at one end thereof, said lock cylinder has a flat boss inserted into said flat slot at one end thereof, and said flat boss of said lock cylinder is inserted into said flat slot of said driving gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920327499.5U CN209874689U (en) | 2019-03-13 | 2019-03-13 | Unlocking structure by inserting key from bottom of fingerprint lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920327499.5U CN209874689U (en) | 2019-03-13 | 2019-03-13 | Unlocking structure by inserting key from bottom of fingerprint lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209874689U true CN209874689U (en) | 2019-12-31 |
Family
ID=68955557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920327499.5U Expired - Fee Related CN209874689U (en) | 2019-03-13 | 2019-03-13 | Unlocking structure by inserting key from bottom of fingerprint lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209874689U (en) |
-
2019
- 2019-03-13 CN CN201920327499.5U patent/CN209874689U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |