CN110630093A - Door lock with safety unlocking device - Google Patents
Door lock with safety unlocking device Download PDFInfo
- Publication number
- CN110630093A CN110630093A CN201911044632.7A CN201911044632A CN110630093A CN 110630093 A CN110630093 A CN 110630093A CN 201911044632 A CN201911044632 A CN 201911044632A CN 110630093 A CN110630093 A CN 110630093A
- Authority
- CN
- China
- Prior art keywords
- square shaft
- handle
- push rod
- unlocking device
- 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.)
- Pending
Links
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 6
- 241000282326 Felis catus Species 0.000 abstract description 12
- 230000002265 prevention Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B13/00—Devices preventing the key or the handle or both from being used
- E05B13/002—Devices preventing the key or the handle or both from being used locking the handle
- E05B13/004—Devices preventing the key or the handle or both from being used locking the handle by locking the spindle, follower, or the like
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/0033—Spindles for handles, e.g. square spindles
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B3/00—Fastening knobs or handles to lock or latch parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses a door lock with a safety unlocking device, which comprises a lock body, a square shaft and a handle, wherein the lock body, the square shaft and the handle are arranged in a door body, one end of the square shaft is inserted into the lock body and is linked with the lock body, the other end of the square shaft extends out of the door body, a clutch component is arranged in the handle, when the safety unlocking device is in a locking state, the clutch component is connected with the square shaft, the square shaft is linked with the handle to unlock the door lock, when the safety unlocking device is in an unlocking state, the clutch component is separated from the square shaft, and the square shaft and the handle are in a free state and. According to the door lock with the safety unlocking device, the square shaft and the push rod are designed into the clutch structure, the push rod is pushed, the push rod is matched with the square shaft, the door lock is unlocked by rotating the handle, otherwise the rear handle of the door lock is in a free state, the potential safety hazard that a lawbreaker opens the door through a cat eye is effectively prevented, and the safety of the intelligent door lock is greatly improved.
Description
Technical Field
The invention relates to the technical field of door locks, in particular to a door lock with a safety unlocking device.
Background
With the development and progress of the era, smart home becomes the trend of the development of the era, the traditional household articles gradually quit the historical stage, and the smart home becomes a life concept of a new era. Along with the popularization of intelligent lock, people's property safety can be better protected to a certain extent to intelligent lock, but intelligent lock also has certain limitation.
The intelligent door lock prevents the function that the cat eye opened the door, mainly embodies and can prevent that the thief from opening interior lock through the cat eye hole, and then opens the door, and the intelligent door lock prevents that the cat eye function has increased the security of lock. The mode of realizing the cat eye prevention function of the existing door lock is mainly divided into two modes of mechanical cat eye prevention and electronic cat eye prevention, the cat eye prevention function is mainly realized by arranging a relevant induction device on the inner door lock to be separated from and connected with a switch, and the door opening function is started when a human body presses a certain key; the mechanical cat eye prevention is realized by arranging a mechanical switch and a structure on a handle or a panel, so that the function of preventing the cat eye is realized.
The existing mechanical door lock for preventing the peephole has a complex structure and is difficult to operate, and the cost of the door lock is greatly improved.
Disclosure of Invention
The present invention is directed to a door lock with a safety unlocking device to solve the technical problems mentioned in the background art.
In order to achieve the above purpose, the specific technical solution of the door lock with the safety unlocking device of the present invention is as follows:
the utility model provides a lock with safety unlocking device, including installing the lock body in the door body, square shaft and handle, square shaft one end inserts the lock body and with the lock body interlock, the square shaft other end stretches out outside the door body, set up clutch assembly in the handle, when safety unlocking device is in the lock-out state, clutch assembly and square shaft joint, the square shaft links with the handle in order to open the lock, when safety unlocking device is in the unlock-out state, clutch assembly breaks away from with the square shaft, the square shaft is in the unable lock of opening of free state with the handle.
Further, clutch components includes the push rod, and the tip of push rod sets up spacing post, the cross-section of spacing post is trilateral, quadrangle, hexagon, and the tip setting of square shaft holds the spacing hole of push rod, promotes the push rod and makes spacing post move into spacing hole to make square shaft and push rod interlock.
Furthermore, the opening of the limiting hole is a conical surface, and the diameter of the conical surface is gradually increased along the direction close to the opening.
Furthermore, the end face of the limit column is coaxially provided with an extension column, the extension column is arranged in the limit hole, the cross section of the extension column is circular, and the cross section of the extension column is an inscribed circle of the cross section of the limit column.
Further, the door lock further comprises a guide block, a circular through hole is formed in the guide block, a cylindrical coupling column is arranged at the end of the square shaft, a limiting hole is formed in the coupling column, the coupling column is inserted into the guide block, a push rod is arranged on the other side of the guide block, and the limiting column of the push rod is inserted into the guide block.
Further, the lock still includes the interlock structure that is used for push rod and handle interlock, and the handle is including covering handle protecgulum and the handle back lid together, and the handle protecgulum sets up the through-hole, and the push rod tip sets up the hood, and the hood is arranged in the through-hole.
Further, the hood is fixedly connected with the button, the button is arranged in the through hole, the button is provided with a linkage structure, the linkage structure is a guide rib arranged on the outer wall of the button and a guide groove arranged at the through hole, or the linkage structure is a guide groove arranged on the outer wall of the button and a lug arranged at the through hole.
Furthermore, the linkage structure is a guide rib arranged on the outer wall of the top cap and a guide groove arranged at the through hole, or the linkage structure is a guide groove arranged on the outer wall of the top cap and a lug arranged at the through hole.
Further, the lock still includes interior door plant, and the guide block passes interior door plant and fixes with the lid behind the handle, and the lid is hollow structure behind the handle, sets up annular baffle in the lid behind the handle, and in the spacing post of push rod passed annular baffle and inserted the guide block, cup jointed the second reset spring on the push rod between annular baffle and the hood, kept away from baffle one side of guide block direction and set up the gasket, the tip and the gasket of second reset spring are connected.
Further, the side wall of the square shaft is provided with an outward positioning lug, the positioning lug is abutted to the guide block, the square shaft is sleeved with a first return spring, one end of the first return spring is connected with the positioning lug, and the other end of the first return spring is abutted to the lock body.
The door lock with the safety unlocking device has the following advantages that:
according to the door lock with the safety unlocking device, the square shaft and the push rod are designed into the clutch structure, the push rod is pushed, the push rod is matched with the square shaft, the door lock is unlocked by rotating the handle, otherwise the rear handle of the door lock is in a free state, the potential safety hazard that a lawbreaker opens the door through a cat eye is effectively prevented, and the safety of the intelligent door lock is greatly improved.
Drawings
FIG. 1 is an exploded view of the door lock of the present invention;
FIG. 2 is a cross-sectional view of the door lock of the present invention;
FIG. 3 is a schematic structural view of a square shaft according to the present invention;
fig. 4 is a schematic structural diagram of the push rod of the present invention.
The reference numbers in the figures illustrate: 1. a lock body; 11. an insertion hole; 2. an inner door panel; 3. a handle rear cover; 31. a handle front cover; 4. a square shaft; 41. a coupling post; 42. a limiting hole; 43. a conical surface; 44. positioning the bump; 5. a first return spring; 6. a guide block; 7. a push rod; 71. a limiting column; 72. a top cap; 8. a button; 9. a second return spring; 10. and (7) a gasket.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, a door lock with a safety unlocking device of the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-2, the door lock with a safety unlocking device of the present invention includes a lock body 1, a square shaft 4 and a handle installed in a door body, one end of the square shaft 4 is inserted into the lock body 1 and is linked with the lock body 1, the other end of the square shaft 4 extends out of the door body, a clutch assembly is arranged in the handle, when the safety unlocking device is in a locked state, the clutch assembly is engaged with the square shaft 4, the square shaft 4 is linked with the handle to unlock the door lock, when the safety unlocking device is in an unlocked state, the clutch assembly is disengaged from the square shaft 4, and the square shaft 4 and the handle are in a free state and cannot unlock the door lock.
The clutch assembly comprises a push rod 7, as shown in fig. 4, the end of the push rod 7 is provided with a limit column 71, the cross section of the limit column 71 is of a structure of a triangle, a quadrangle, a hexagon and the like, the end of the square shaft 4 is provided with a limit hole 42 for accommodating the push rod 7, and the push rod 7 is pushed to enable the limit column 71 to move into the limit hole 42 so as to enable the square shaft 4 to be matched with the lock body 1.
The opening of the limiting hole 42 is a conical surface 43, and the diameter of the conical surface 43 gradually increases along the direction close to the opening, so that the limiting column 71 is smoothly inserted into the limiting hole 42.
In addition, the end face of the limit column 71 is coaxially provided with an extension column, the extension column is arranged in the limit hole 42, the cross section of the extension column is circular, preferably, the cross section of the extension column is an inscribed circle of the cross section of the limit column 71, the push rod 7 is separated from the square shaft 4 when the push rod 7 is not pressed, the push rod 7 is more smoothly inserted into the limit hole 42 when the push rod 7 is pressed, and the push rod 7 is linked with the square shaft 4.
Clutch module still includes guide block 6, set up circular through-hole in the guide block 6, 4 tip of square shaft set up cylindrical coupling post 41, set up spacing hole 42 on the coupling post 41, coupling post 41 inserts in guide block 6, the opposite side of guide block 6 sets up push rod 7, push rod 7 tip inserts in the guide block 6 from the opposite side, through the distance of control push rod 7 with square shaft 4, thereby realize the separation and reunion of push rod 7 with square shaft 4, and then realize the interlock of square shaft 4 and push rod 7.
The handle includes lid 3 and handle protecgulum 31 behind the handle, the lock still includes interior door plant 2, guide block 6 passes interior door plant 2 and is fixed with lid 3 behind the handle, lid 3 behind the handle is closed to handle protecgulum 31 lid, lid 3 is hollow structure behind the handle, set up annular baffle in the lid 3 behind the handle, push rod 7's spacing post 71 inserts in guide block 6 through annular baffle, handle protecgulum 31 sets up the through-hole, push rod 7 tip sets up hood 72, in the through-hole is arranged in to hood 72, set up the interlock structure on the hood 72, so that push rod 7 and handle interlock.
The linkage structure is a guide rib arranged on the outer wall of the top cap 72 and a guide groove arranged at the through hole of the handle front cover 31, or the linkage structure is a guide groove arranged on the outer wall of the top cap 72 and a projection arranged at the through hole of the handle front cover 31. The guide ribs or the guide grooves are uniformly distributed on the outer wall of the top cap 72 and are arranged in the direction parallel to the axis of the push rod 7.
A second return spring 9 is sleeved on the push rod 7 between the partition plate and the top cap 72, a gasket 10 is arranged on one side of the partition plate far away from the direction of the guide block 6, and the end part of the second return spring 9 is connected with the gasket 10. The push button 8 is pushed, and the coupling column 41 of the push rod 7 is arranged in the limit hole 42, so that the push rod 7 is linked with the square shaft 4.
Besides, the tip and the button 8 fixed connection of push rod 7, in the through-hole was arranged in to button 8, set up the interlock structure on the button 8, the interlock structure is for setting up the guide bar at the 8 outer walls of button and setting up the guide way in through-hole department, perhaps the interlock structure is for setting up the guide way and the lug of setting in through-hole department at the 8 outer walls of button, or button 8 is other non-circular structures such as quadrangle, hexagon, also can play the effect that the button rotation leads to unblanking failure when preventing unblanking.
In order to prevent square shaft 4 and guide block 6 from breaking away from, as shown in fig. 3, the lateral wall of square shaft 4 sets up outside locating convex block 44, locating convex block 44 and guide block 6 butt, first reset spring 5 is established to the cover on the square shaft 4, the one end and the locating convex block 44 of first reset spring 5 are connected, the other end and the lock body 1 butt of first reset spring 5, when making push rod 7 break away from with square shaft 4, the square shaft 4 withstands the switching-over module all the time, consequently, can guarantee that square shaft 4 and guide block 6 can not break away from the connection.
During assembly, the gasket 10, the second return spring 9 and the push rod 7 are sequentially installed with the handle rear cover 3 to form an assembly, so that one end of the second return spring 9 is attached to the gasket 10, and the other end of the second return spring is attached to the top cap 72 on the push rod 7. A button 8 and a handle front cover 31 are arranged on the components, so that the button 8 is subjected to the pretightening force of the second return spring 9 and protrudes outwards, and the handle is installed; if the button 8 is released after being pressed, the button 8 can automatically rebound and reset by virtue of the pre-tightening force of the second return spring 9. Secondly, the guide block 6, the inner door panel 2 and the handle are fixedly installed, wherein the guide block 6 and the handle can be fixed in a mode of screwing from the side surface or in other modes; thirdly, a square shaft 4 and a first return spring 5 are sequentially arranged in a guide block 6 of the inner door panel 2, so that a coupling column 41 on the square shaft 4 is inserted into a round hole of the guide block 6, and one end of the first return spring 5 is attached to a positioning boss 44 on the square shaft 4; finally, install interior door plant 2 on the door body for square shaft 4 passes the through-hole on the door body and inserts in the patchhole 11 that lock body 1 corresponds, and first reset spring 5 one end top is on the location boss 44 on square shaft 4, and the other end top is on lock body 1, makes square shaft 4 withstand guide block 6 all the time, consequently can guarantee that square shaft 4 and guide block 6 can not break away from the connection.
After the installation is finished, after the button 8 is pressed down, the limiting column 71 on the push rod 7 is inserted into the limiting hole 42 on the square shaft 4, the linkage of the handle and the lock body 1 is realized, and the door can be opened by pressing down the handle; if the handle is directly pressed down without pressing the button 8, the push rod 7 and the square shaft 4 are in a free state, so that the handle is not linked with the lock body 1, and the door cannot be opened.
This lock with safe unlocking device designs square shaft 4 and push rod 7 for separation and reunion structure, promotes push rod 7, and push rod 7 and square shaft 4 cooperation rotate handle drive lock and unblank, and the back handle of lock is the free state otherwise, effectively prevents the potential safety hazard that lawless persons opened the door through the cat eye, promotes the security of intelligent lock greatly, this lock simple structure, simple to operate, the installation effectiveness is high.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. The utility model provides a lock with safe unlocking device, including installing lock body (1) in the door body, square shaft (4) and handle, square shaft (4) one end inserts lock body (1) and with lock body (1) interlock, the square shaft (4) other end stretches out outside the door body, set up clutch assembly in the handle, a serial communication port, when safe unlocking device is in the lock-out state, clutch assembly and square shaft joint, square shaft (4) and handle interlock are in order to open the lock, when safe unlocking device is in the unlock state, clutch assembly and square shaft (4) break away from, square shaft (4) and handle are in the unable lock of opening of free state.
2. The door lock with the safety unlocking device according to claim 1, wherein the clutch component comprises a push rod (7), a limit column (71) is arranged at the end of the push rod (7), a limit hole (42) matched with the limit column (71) is arranged at the end of the square shaft (4), and the push rod (7) is pushed to enable the limit column (71) to move into the limit hole (42) so that the square shaft (4) is linked with the push rod (7).
3. The door lock with the safety unlocking device according to claim 2, wherein the cross section of the position-limiting post (71) is a triangle, a quadrangle or a hexagon, the opening of the position-limiting hole (42) is a tapered surface (43), and the diameter of the tapered surface (43) is gradually increased along the direction approaching the opening.
4. The door lock with the safety unlocking device according to claim 2, wherein the end face of the limit post (71) is provided with an extension post coaxially, the extension post is arranged in the limit hole (42), the cross section of the extension post is circular, and the cross section of the extension post is an inscribed circle of the cross section of the limit post (71).
5. The door lock with the safety unlocking device according to claim 2, characterized in that the door lock further comprises a guide block (6), a circular through hole is arranged in the guide block (6), a cylindrical coupling column (41) is arranged at the end of the square shaft (4), a limit hole (42) is arranged on the coupling column (41), the coupling column (41) is inserted into the guide block (6), a push rod (7) is arranged at the other side of the guide block (6), and a limit column (71) of the push rod (7) is inserted into the guide block (6).
6. The door lock with the safety unlocking device according to claim 2, wherein the door lock further comprises a linkage structure for linkage of the push rod (7) and the handle, the handle comprises a handle front cover (31) and a handle rear cover (3) which are covered together, the handle front cover (31) is provided with a through hole, the end part of the push rod (7) is provided with a top cap (72), and the top cap (72) is arranged in the through hole.
7. The door lock with the safety unlocking device according to claim 6, wherein the top cap (72) is fixedly connected with the button (8), the button (8) is arranged in the through hole, the button (8) is provided with a linkage structure, the linkage structure is a guide rib arranged on the outer wall of the button (8) and a guide groove arranged at the through hole, or the linkage structure is a guide groove arranged on the outer wall of the button (8) and a convex block arranged at the through hole.
8. The door lock with the safety unlocking device according to claim 6, wherein the interlocking structure is a guide rib provided on the outer wall of the top cap (72) and a guide groove provided at the through hole, or the interlocking structure is a guide groove provided on the outer wall of the top cap (72) and a projection provided at the through hole.
9. The door lock with the safety unlocking device according to claim 6, characterized in that the door lock further comprises an inner door panel (2), the guide block (6) penetrates through the inner door panel (2) to be fixed with the handle rear cover (3), the handle rear cover (3) is of a hollow structure, an annular partition plate is arranged in the handle rear cover (3), a limit column (71) of the push rod (7) penetrates through the annular partition plate to be inserted into the guide block (6), a second reset spring (9) is sleeved on the push rod (7) between the annular partition plate and the top cap (72), a gasket (10) is arranged on one side of the partition plate far away from the direction of the guide block (6), and the end of the second reset spring (9) is connected with the gasket (10).
10. The door lock with the safety unlocking device according to claim 5, wherein the side wall of the square shaft (4) is provided with an outward positioning lug (44), the positioning lug (44) abuts against the guide block (6), the square shaft (4) is sleeved with the first return spring (5), one end of the first return spring (5) is connected with the positioning lug (44), and the other end of the first return spring (5) abuts against the lock body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911044632.7A CN110630093A (en) | 2019-10-30 | 2019-10-30 | Door lock with safety unlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911044632.7A CN110630093A (en) | 2019-10-30 | 2019-10-30 | Door lock with safety unlocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110630093A true CN110630093A (en) | 2019-12-31 |
Family
ID=68978353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911044632.7A Pending CN110630093A (en) | 2019-10-30 | 2019-10-30 | Door lock with safety unlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110630093A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112539003A (en) * | 2020-12-24 | 2021-03-23 | 广州保仕盾智能科技有限公司 | Rear panel of push-pull type intelligent door lock and transmission device thereof |
| CN112780106A (en) * | 2020-11-16 | 2021-05-11 | 广东名门锁业有限公司 | Door lock handle and electronic door lock and door comprising same |
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| CN204609489U (en) * | 2015-02-15 | 2015-09-02 | 王京沪 | Security door handle clutch device |
| CN206245874U (en) * | 2016-11-15 | 2017-06-13 | 中山市惠氏五金科技有限公司 | The anti-opening mechanism of door lock handle |
| CN107100432A (en) * | 2017-07-07 | 2017-08-29 | 杨文成 | A kind of safe-guard door lock panel handle |
| CN209384780U (en) * | 2018-11-02 | 2019-09-13 | 杭州三顾茅庐电子商务有限公司 | Door lock handle |
| CN209443913U (en) * | 2018-11-21 | 2019-09-27 | 公牛集团股份有限公司 | A kind of anti-opal unlocking lockset |
| CN211818662U (en) * | 2019-10-30 | 2020-10-30 | 珠海格力智能装备有限公司 | Door lock with safety unlocking device |
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2019
- 2019-10-30 CN CN201911044632.7A patent/CN110630093A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204609489U (en) * | 2015-02-15 | 2015-09-02 | 王京沪 | Security door handle clutch device |
| CN206245874U (en) * | 2016-11-15 | 2017-06-13 | 中山市惠氏五金科技有限公司 | The anti-opening mechanism of door lock handle |
| CN107100432A (en) * | 2017-07-07 | 2017-08-29 | 杨文成 | A kind of safe-guard door lock panel handle |
| CN209384780U (en) * | 2018-11-02 | 2019-09-13 | 杭州三顾茅庐电子商务有限公司 | Door lock handle |
| CN209443913U (en) * | 2018-11-21 | 2019-09-27 | 公牛集团股份有限公司 | A kind of anti-opal unlocking lockset |
| CN211818662U (en) * | 2019-10-30 | 2020-10-30 | 珠海格力智能装备有限公司 | Door lock with safety unlocking device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780106A (en) * | 2020-11-16 | 2021-05-11 | 广东名门锁业有限公司 | Door lock handle and electronic door lock and door comprising same |
| CN112539003A (en) * | 2020-12-24 | 2021-03-23 | 广州保仕盾智能科技有限公司 | Rear panel of push-pull type intelligent door lock and transmission device thereof |
| CN112539003B (en) * | 2020-12-24 | 2023-07-04 | 广州保仕盾智能科技有限公司 | Rear panel of push-pull intelligent door lock and transmission device thereof |
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