CN107130857B - Dual-purpose security door lock - Google Patents

Dual-purpose security door lock Download PDF

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Publication number
CN107130857B
CN107130857B CN201710445133.3A CN201710445133A CN107130857B CN 107130857 B CN107130857 B CN 107130857B CN 201710445133 A CN201710445133 A CN 201710445133A CN 107130857 B CN107130857 B CN 107130857B
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China
Prior art keywords
lock
hole
shell
spring bolt
shaft
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Application number
CN201710445133.3A
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Chinese (zh)
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CN107130857A (en
Inventor
张卫
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Individual
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Individual
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Priority to CN201710445133.3A priority Critical patent/CN107130857B/en
Publication of CN107130857A publication Critical patent/CN107130857A/en
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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/14—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other
    • E05B63/146—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other locks with two or more bolts, each bolt itself being a tumbler
    • 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
    • E05B15/10—Bolts of locks or night latches
    • 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
    • E05B15/10—Bolts of locks or night latches
    • E05B15/108—Bolts with multiple head
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/22—Means for operating or controlling lock or fastening device accessories, i.e. other than the fastening members, e.g. switches, indicators
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
    • E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
    • E05C17/04—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing
    • E05C17/12—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Patch Boards (AREA)
  • Pinball Game Machines (AREA)

Abstract

A dual-purpose security door lock. The lock shell is of a rectangular box body structure, and a left box plate and a front box plate of the lock shell are provided with transverse through grooves. The main spring bolt and the auxiliary spring bolt are transversely arranged in the lock shell side by side, the left end of the main spring bolt is connected in a through hole in the left shell plate of the lock shell, and the right end of the main spring bolt is connected with the right shell plate of the lock shell through a spring. The left end of the auxiliary spring bolt is connected in the through groove on the left shell plate of the lock shell, the right end of the main spring bolt is connected with the right shell plate of the lock shell through a hinge, the auxiliary spring bolt corresponds to the through groove on the lock shell, and the main spring bolt is connected with the auxiliary spring bolt through a clutch device. When the switch button drives the left ends of the main lock tongue and the auxiliary lock tongue to synchronously enter the lock hole on the lock head, the door can be locked. The auxiliary lock tongue is rotated through the selection button, when the T-shaped head at the front end of the auxiliary lock tongue is staggered with the lock hole on the lock head, the main lock tongue can be separated from the auxiliary lock tongue, the main lock tongue is opened at the moment and the door is pushed open, and the limiting rod can rotate out along the through groove on the lock shell and limit the opening of the door.

Description

Dual-purpose security door lock
Technical Field
The invention relates to a door lock, in particular to a dual-purpose security door lock capable of locking a door and limiting opening of the door.
Background
At present, the known door lock can only be used for locking a door, and other safety limiting devices can only be installed if the door is limited to be opened.
Disclosure of Invention
In order to overcome the defect that the existing door lock can only be used for locking a door, the invention provides the dual-purpose security door lock which can lock the door in a traditional mode and can also perform safe limiting on the opening of the door, thereby meeting the requirements of preventing burglary and forced entering.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention comprises a lock head, a lock shell, a switch button, a main bolt, a gear, a rack, a selection button, an auxiliary bolt, a roll shaft, a limiting rod and a spring.
The lock shell is of a rectangular box body structure, a longitudinal rectangular hole is formed in the upper end of a left box plate of the lock shell, two left and right corresponding shaft holes are formed in the lower end of the left box plate and the lower end of the right box plate of the lock shell respectively, an upper shaft hole and a lower shaft hole are formed in a front box plate of the lock shell, a transverse through groove is formed in the left box plate of the lock shell and the front box plate, and the through groove is a strip-shaped through groove which is used for connecting the shaft hole of the left box plate with the shaft hole of the lower end of the front box plate and penetrates through the lock shell. The main spring bolt is the rectangular cylinder structure, sets up the rectangle through-hole that runs through the front and back cylinder on the main spring bolt, and the lower extreme hole limit of rectangle through-hole sets up to the rack, and the main spring bolt transversely sets up in the lock shell, and the left end connection of main spring bolt is in the rectangular hole on the left boxboard of lock shell, and the right-hand member head of main spring bolt passes through the spring and is connected with the right boxboard of lock shell. The gear is arranged in the rectangular through hole of the main bolt and meshed with the rack, the switch button is connected to the outer spindle head of the rotating shaft, and the inner spindle head of the rotating shaft penetrates through the spindle hole in the upper end of the front box plate of the lock shell and is connected with the gear in the lock shell. The roller is cylindrical structure, and the roller setting is in the lock shell and parallel with the main spring bolt, and the left journal of roller passes through the bearing and is connected with the lock shell, offers the breach that communicates with the cross groove on the lock shell on the bearing. The right shaft neck of the roll shaft is connected with a shaft hole on the right box plate of the lock shell, and the right shaft head of the roll shaft is connected with a selection button outside the lock shell. An accommodating groove corresponding to the through groove on the lock shell is formed in the left end of the roller shaft, and a sliding groove vertically communicated with the accommodating groove is formed in the column wall of the roller shaft along the axis of the roller shaft. The limiting rod is of a flat cylindrical structure matched with the containing groove in the roller shaft, the limiting rod is arranged in the containing groove, the right end head of the limiting rod is matched with the sliding groove in the roller shaft through a cylindrical pin, the left end head of the limiting rod is connected with an auxiliary lock tongue, the auxiliary lock tongue is of a T-shaped structure formed by a transverse column and an upright column, the upright column and the limiting rod are coaxially connected in series on the auxiliary lock tongue, and the transverse column on the auxiliary lock tongue is parallel to the cylindrical pin on the limiting rod. The main lock tongue is provided with a convex tenon, a mortise matched with the tenon is arranged on one cylindrical surface of the limiting rod, and the mortise is of a groove type structure. The lock head is of a rectangular box body structure, a main lock hole matched with the main lock tongue is formed in the upper end of the right box plate of the lock head, the main lock hole is a longitudinal rectangular hole, an auxiliary lock hole matched with the auxiliary lock tongue is formed in the lower end of the right box plate of the lock head, and the auxiliary lock hole is a transverse rectangular hole. The lock head is connected to the door frame, and the lock shell is connected to the door leaf.
When the door is closed, the switch knob drives the main spring bolt, the tenon on the main spring bolt synchronously drives the limiting rod through the mortise on the limiting rod, and when the left end of the main spring bolt and the cross column on the auxiliary spring bolt respectively enter the main lock hole and the auxiliary lock hole on the lock head, the door can be locked. When the door is opened in a limiting mode, the roller shaft is rotated through the selection button, when the accommodating groove in the roller shaft is aligned with the through groove in the lock shell, the transverse column on the auxiliary lock tongue can be staggered with the auxiliary lock hole in the lock head, and the mortise in the limiting rod is separated from the tenon in the main lock tongue. When the main spring bolt is opened again and the door is pushed open, the limiting rod can rotate out through the notch on the supporting seat and the through groove on the lock shell and is matched with the sliding groove and the cylindrical pin to limit the opening of the door. When the door is opened, the roller shaft and the limiting rod are rotated through the selection button, when the transverse column on the auxiliary lock tongue is aligned with the auxiliary lock hole on the lock head, the main lock tongue and the auxiliary lock tongue are reversely driven through the switch button, and then the door can be opened.
The invention has the advantages that the door can be locked in a traditional mode, and the opening of the door can be safely limited, so that the requirements of preventing burglary and forced entry are met.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is an enlarged view of a-a section of fig. 1.
Fig. 4 is an enlarged view of a section B-B of fig. 1.
Fig. 5 is an enlarged cross-sectional view of C-C of fig. 1.
Fig. 6 is a schematic structural view of fig. 5 when the pair of lock tongues is twisted.
Fig. 7 is a schematic structural view of fig. 6 when the limit opening is performed.
Fig. 8 is an enlarged view of the section D-D of fig. 2.
Fig. 9 is a schematic structural view of fig. 8 when the auxiliary bolt is twisted and the main bolt is opened.
Fig. 10 is a schematic structural view of fig. 8 when the main bolt and the sub-bolt are opened simultaneously.
In the figure: 1. a lock head. 2. A lock shell. 3. A switch knob. 4. A selection button. 5. And (4) passing through the groove. 6. The main spring bolt. 7. Vice spring bolt. 8. And a secondary lock hole. 9. And (4) a main lock hole. 10. A limiting rod. 11. And (4) a roll shaft. 12. A supporting seat. 13. An accommodating groove. 14. And (7) a cylindrical pin. 15. A mortise. 16. A chute. 17. A rack. 18. A gear. 19. A spring. 20. A tenon.
Detailed Description
In fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 8, the lock case 2 is a rectangular box structure, a longitudinal rectangular hole is provided at the upper end of the left box plate of the lock case 2, two corresponding shaft holes are provided at the lower ends of the left and right box plates of the lock case 2, an upper shaft hole and a lower shaft hole are provided on the front box plate of the lock case 2, a transverse through groove 5 is provided on the left box plate and the front box plate of the lock case 2, and the through groove 5 is a strip-shaped through groove connecting the shaft holes of the left box plate and the lower shaft hole of the front box plate and penetrating through the lock case 2. The main spring bolt 6 is the rectangular cylinder structure, sets up the rectangle through-hole that runs through the front and back cylinder on main spring bolt 6, and the lower extreme hole limit of rectangle through-hole sets up to rack 17, and main spring bolt 6 transversely sets up in locking shell 2, and the left end connection of main spring bolt 6 is in the rectangular hole on the left boxboard of locking shell 2, and the right-hand member end of main spring bolt 6 passes through spring 19 and is connected with the right boxboard of locking shell 2. The gear 18 is arranged in the rectangular through hole of the main bolt 6 and meshed with the rack 17, the switch knob 3 is connected to the outer spindle head of the rotating shaft, and the inner spindle head of the rotating shaft penetrates through the axle hole at the upper end of the front box plate of the lock shell 2 and is connected with the gear 18 in the lock shell 2. The roller shaft 11 is of a cylindrical structure, the roller shaft 11 is arranged in the lock shell 2 and is parallel to the main bolt 6, a left shaft neck of the roller shaft 11 is connected with the lock shell 2 through a supporting seat 12, and a notch communicated with the through groove 5 on the lock shell 2 is formed in the supporting seat 12. The right journal of the roll shaft 11 is connected with the shaft hole on the right box plate of the lock shell 2, and the right shaft head of the roll shaft 11 is connected with the selection button 4 outside the lock shell 2. An accommodating groove 13 corresponding to the through groove 5 on the lock shell 2 is formed at the left end of the roller shaft 11, and a sliding groove 16 vertically communicated with the accommodating groove 13 is formed on the column wall of the roller shaft 11 along the axis of the roller shaft 11. The limiting rod 10 is of a flat cylindrical structure matched with an accommodating groove 13 in the roller shaft 11, the limiting rod 10 is arranged in the accommodating groove 13, the right end of the limiting rod 10 is matched with a sliding groove 16 in the roller shaft 11 through a cylindrical pin 14, the left end of the limiting rod 10 is connected with an auxiliary lock tongue 7, the auxiliary lock tongue 7 is of a T-shaped structure formed by a transverse column and a vertical column, the vertical column on the auxiliary lock tongue 7 is coaxially connected with the limiting rod 10 in series, and the transverse column on the auxiliary lock tongue 7 is parallel to the cylindrical pin 14 on the limiting rod 10. The main bolt 6 is provided with a convex tenon 20, a cylindrical surface of the limiting rod 10 is provided with a mortise 15 matched with the tenon 20, and the mortise 15 is of a groove type structure. The lock head 1 is of a rectangular box body structure, a main lock hole 9 matched with the main lock tongue 6 is formed in the upper end of the right box plate of the lock head 1, the main lock hole 9 is a longitudinal rectangular hole, an auxiliary lock hole 8 matched with the auxiliary lock tongue 7 is formed in the lower end of the right box plate of the lock head 1, and the auxiliary lock hole 8 is a transverse rectangular hole. The tapered end 1 is connected on the door frame, and lock shell 2 is connected on the door leaf.
In fig. 5, 6, 7, 8, 9, and 10, when the door is closed, the switch knob 3 drives the main bolt 6, the tenon 20 on the main bolt 6 drives the limit rod 10 synchronously through the mortise 15 on the limit rod 10, and when the left end of the main bolt 6 and the cross post on the auxiliary bolt 7 enter the main lock hole 9 and the auxiliary lock hole 8 of the lock head 1, the door can be locked. When the door is opened in a limiting mode, the roller shaft 11 is rotated through the selection button 4, when the accommodating groove 13 in the roller shaft 11 is aligned with the through groove 5 in the lock shell 2, the transverse column on the auxiliary lock tongue 7 can be staggered with the auxiliary lock hole 8 in the lock head 1, and the mortise 15 in the limiting rod 10 is separated from the tenon 20 in the main lock tongue 6. When the main bolt 6 is opened again and the door is pushed open, the limiting rod 10 can rotate out through the notch on the supporting seat 12 and the through groove 5 on the lock shell 2 and limit the opening of the door by matching with the sliding groove 16 and the cylindrical pin 14. When the door is opened, the roller shaft 11 and the limiting rod 10 are rotated through the selection button 4, when a transverse column on the auxiliary lock tongue 7 is aligned with the auxiliary lock hole 8 on the lock head 1, the main lock tongue 6 and the auxiliary lock tongue 7 are reversely driven through the switch button 3, and then the door can be opened.

Claims (7)

1. The utility model provides a dual-purpose security protection lock, it includes tapered end, lock shell, switch button, main spring bolt, option button, vice spring bolt, roller and gag lever post, characterized by: the lock shell is of a rectangular box structure, the upper end of a left box plate of the lock shell is provided with a longitudinal rectangular hole, the lower ends of the left and right box plates of the lock shell are respectively provided with a left shaft hole and a right shaft hole which are mutually corresponding, the front box plate of the lock shell is provided with an upper shaft hole and a lower shaft hole, the left box plate and the front box plate of the lock shell are provided with a transverse groove, a main spring bolt is of a rectangular cylinder structure, the main spring bolt is provided with a rectangular through hole which penetrates through front and rear cylindrical surfaces, the lower end hole edge of the rectangular through hole is provided with a rack, the main spring bolt is transversely arranged in the lock shell, the left end head of the main spring bolt is connected with the rectangular hole on the left box plate of the lock shell, the right end head of the main spring bolt is connected with the right box plate of the lock shell through a spring, a gear is arranged in the rectangular through hole of the main spring bolt and is meshed with the rack, a switch button is connected with an outer shaft head of a rotating shaft, an inner shaft head of the rotating shaft penetrates through the shaft hole at the upper end of the front box plate of the lock shell and is connected with the gear in the lock shell, the roller shaft is of a cylindrical structure, the roller shaft is arranged in the lock shell and is parallel to the main spring bolt, a left shaft neck of the roller shaft is connected with the lock shell through a supporting seat, a notch communicated with a through groove on the lock shell is formed in the supporting seat, a right shaft neck of the roller shaft is connected with a shaft hole on a right box plate of the lock shell, a right shaft head of the roller shaft is connected with a selection button outside the lock shell, an accommodating groove corresponding to the through groove on the lock shell is formed in the left end of the roller shaft, a sliding groove vertically communicated with the accommodating groove is formed in the column wall of the roller shaft along the axis of the roller shaft, the limiting rod is of a flat cylindrical structure matched with the accommodating groove on the roller shaft, the limiting rod is arranged in the accommodating groove, the right end of the limiting rod is connected with the sliding groove on the roller shaft through a cylindrical pin, the left end of the limiting rod is connected with an auxiliary spring bolt, the auxiliary spring bolt is of a T-shaped structure formed by a transverse column and an upright column together, the upright column on the auxiliary spring bolt is coaxially connected in series with the limiting rod, the transverse column on the auxiliary lock tongue is parallel to the cylindrical pin on the limiting rod, the main lock tongue is provided with a convex tenon, a mortise matched with the tenon is arranged on one cylindrical surface of the limiting rod, the lock head is of a rectangular box body structure, the upper end of the right box plate of the lock head is provided with a main lock hole matched with the main lock tongue, and the lower end of the right box plate of the lock head is provided with an auxiliary lock hole matched with the auxiliary lock tongue.
2. The dual-purpose security door lock of claim 1, wherein: the through groove is a strip-shaped through groove which is used for connecting the shaft hole of the left box plate and the shaft hole at the lower end of the front box plate and penetrates through the lock shell.
3. The dual-purpose security door lock of claim 1, wherein: the mortise is of a groove type structure.
4. The dual-purpose security door lock of claim 1, wherein: the main lock hole is a longitudinal rectangular hole.
5. The dual-purpose security door lock of claim 1, wherein: the auxiliary lock hole is a transverse rectangular hole.
6. The dual-purpose security door lock of claim 1, wherein: the lock head is connected to the door frame, and the lock shell is connected to the door leaf.
7. The dual-purpose security door lock of claim 1, wherein: when the accepting groove on the roll shaft is aligned with the through groove on the lock shell, the transverse column on the auxiliary lock tongue can be staggered with the auxiliary lock hole on the lock head, and the mortise on the limiting rod is separated from the tenon on the main lock tongue.
CN201710445133.3A 2017-06-14 2017-06-14 Dual-purpose security door lock Active CN107130857B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710445133.3A CN107130857B (en) 2017-06-14 2017-06-14 Dual-purpose security door lock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710445133.3A CN107130857B (en) 2017-06-14 2017-06-14 Dual-purpose security door lock

Publications (2)

Publication Number Publication Date
CN107130857A CN107130857A (en) 2017-09-05
CN107130857B true CN107130857B (en) 2022-02-15

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CN201710445133.3A Active CN107130857B (en) 2017-06-14 2017-06-14 Dual-purpose security door lock

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107749696B (en) * 2017-11-27 2019-05-21 杭州电子科技大学 A kind of novel swing type micromechanics locking structure

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5865480A (en) * 1996-09-06 1999-02-02 Bain, Jr.; Lincoln Grady Sliding door security and child safety latch
CN101280654A (en) * 2008-04-03 2008-10-08 王宗超 Safe opening controller for casement door and window
CN102606012A (en) * 2012-03-21 2012-07-25 化明杰 Flexible and safe door/window opening device
KR20160106329A (en) * 2015-03-02 2016-09-12 주식회사 이스타시스템 Hinge device for the front door
CN206844855U (en) * 2017-06-14 2018-01-05 张卫 Dual-purpose security protection door lock

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5865480A (en) * 1996-09-06 1999-02-02 Bain, Jr.; Lincoln Grady Sliding door security and child safety latch
CN101280654A (en) * 2008-04-03 2008-10-08 王宗超 Safe opening controller for casement door and window
CN102606012A (en) * 2012-03-21 2012-07-25 化明杰 Flexible and safe door/window opening device
KR20160106329A (en) * 2015-03-02 2016-09-12 주식회사 이스타시스템 Hinge device for the front door
CN206844855U (en) * 2017-06-14 2018-01-05 张卫 Dual-purpose security protection door lock

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