CN101839096B - Bolt-free lock for anti-theft door - Google Patents

Bolt-free lock for anti-theft door Download PDF

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Publication number
CN101839096B
CN101839096B CN2010101657597A CN201010165759A CN101839096B CN 101839096 B CN101839096 B CN 101839096B CN 2010101657597 A CN2010101657597 A CN 2010101657597A CN 201010165759 A CN201010165759 A CN 201010165759A CN 101839096 B CN101839096 B CN 101839096B
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China
Prior art keywords
lock
bolt
locking
door
driving
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Expired - Fee Related
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CN2010101657597A
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Chinese (zh)
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CN101839096A (en
Inventor
王继文
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李海林
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Priority to CN2010101657597A priority Critical patent/CN101839096B/en
Publication of CN101839096A publication Critical patent/CN101839096A/en
Application granted granted Critical
Publication of CN101839096B publication Critical patent/CN101839096B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention discloses a bolt-free lock for a security door, which comprises a lock body arranged on the door and a fastener arranged on a door frame, and is characterized in that a driving bolt hole is transversely arranged in the lock body, a driving bolt is arranged in the lock body, the driving bolt can stretch and retract in the driving bolt hole in a reciprocating manner, and a bolt groove corresponding to the driving bolt hole is longitudinally arranged in the lock body; the fastener is provided with a lock bolt which can be inserted into the corresponding lock bolt groove, and the lock bolt is provided with a locking mechanism matched with the lock bolt; the invention fundamentally and thoroughly changes the plane structure formed by the timing lock tongue and the door frame lock tongue groove of the traditional security door lock, obviously improves the anti-prying force which can be born by the door, fundamentally prevents thieves from forcibly opening the security door by a door prying mode, uses steel balls for locking, can effectively reduce the friction of a mechanism, prolongs the service life of a lock, and creates a locking mode with more reasonable structure and higher safety factor of the security door.

Description

A kind of bolt-free lock that is used for security door
Technical field
The present invention relates to a kind of lockset, particularly a kind of bolt-free lock that is used for security door.
Background technology
All on the market security doors, its latch-up structure are lock body and are installed in the body, and lock body is established some dead bolts, are provided with the dead bolt buckle at the same direction place of the corresponding dead bolt of doorframe; Dead bolt on the door all becomes a plane and straight line with doorframe dead bolt buckle.Its locking principle relies on dead bolt to stretch out in the direct insertion doorframe dead bolt buckle, thereby stops the unlatching of door.The maximum disadvantage of such safe-guard door lock is that dead bolt and dead bolt buckle are on same plane; When the robber adopts the mode of forcing open the door to open by force; Modification or bending appear in dead bolt and dead bolt sharp plate easily; Thereby cause dead bolt in the dead bolt buckle, to be deviate from,, can not fundamentally change the not enough problem of pick-proof performance of such lock mode even set up more dead bolt.
Summary of the invention
In order to overcome the deficiency of prior art, the present invention provide a kind of rational in infrastructure, the pick-proof performance is good, the bolt-free lock that is used for security door.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of bolt-free lock that is used for security door; Comprise and be installed on the lock body on the door and be installed in the fastener on the doorframe; It is characterized in that being horizontally arranged with in the said lock body driving tongue hole; The driving tongue is installed in the lock body, and said driving tongue can be back and forth flexible in driving the tongue hole, is vertically arranged with the set bar groove corresponding with driving the tongue hole in the lock body; Said fastener is provided with the locking bolt that can insert in the corresponding set bar groove, and locking bolt is provided with the locking mechanism that cooperates with locking bolt.
Locking mechanism of the present invention can be arranged on latch recess on the locking bolt, is arranged on the lock hole on the locking bolt or is arranged on the terminal lock hook of locking bolt.
Improvement as technique scheme of the present invention; When locking mechanism is arranged on the latch recess on the locking bolt; Also can be provided with the latch fitting hole in the lock body; Intersect with corresponding driving tongue hole and set bar groove respectively in said latch fitting hole, and the locking piece that cooperates with corresponding locking bolt and driving tongue is installed in the latch fitting hole, and said locking piece can partly insert in the latch recess on the locking bolt under the driving of respective drive tongue.
Locking piece of the present invention can adopt steel ball.
The invention has the beneficial effects as follows: the present invention fundamentally thoroughly changes traditional safe-guard door lock timing dead bolt becomes a plane with the doorframe lock tongue slot structure; Innovation ground proposes on doorframe, to set locking bolt; Locking bolt is vertically inserted in the set bar groove of a upper lock body; Become staggered 90 ° of actions through the driving ligulate of setting again, finally reach the purpose of locking locking bolt.Because in this invention, locking bolt becomes also snap-lock of vertical insertion, mode that it interlocks and locks with lock body on the door; The pick-proof power that door can be born significantly improves; Fundamentally stop the robber and reach the possibility of opening by force, and use the steel ball locking, more can effectively reduce the friction of mechanism through the mode of forcing open the door; Improve lockset application life, the lock mode that a kind of structure of having started security door more rationally, safety factor is higher.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is traditional security door locking state sketch;
Fig. 2 is traditional security door locking state cross-sectional;
Fig. 3 is a lock-out state sketch of the present invention;
Fig. 4 is a lock-out state cross-sectional of the present invention;
Fig. 5 is that locking bolt is installed sketch;
Fig. 6 is the set bar groove sketch;
Fig. 7 is that lock body is opened sketch;
Fig. 8 is the bolt structure sketch of first kind of shape of the present invention;
Fig. 9 is the bolt structure sketch of second kind of shape of the present invention;
Figure 10 is the bolt structure sketch of the third shape of the present invention;
Figure 11 is the bolt structure sketch of the 4th kind of shape of the present invention;
A kind of structure diagram that drives tongue of Figure 12 the present invention;
Figure 13 is the left view of Figure 12;
The another kind of structure diagram that drives tongue of Figure 14 the present invention;
Figure 15 is the left view of Figure 14;
The third drives the structure diagram of tongue Figure 16 the present invention;
Figure 17 is the left view of Figure 16;
The 4th kind of structure diagram that drives tongue of Figure 18 the present invention;
Figure 19 is the left view of Figure 18.
The specific embodiment
With reference to Fig. 3 to Fig. 7, a kind of bolt-free lock that is used for security door disclosed by the invention comprises being installed on the lock body 1 on the door 3 and being installed in the fastener 2 on the doorframe 4; In lock body 1, be horizontally arranged with and drive tongue hole 11; At least one is installed in the lock body 1 drives tongue 12, drive tongue 12 and can adopt like Figure 12, also can adopt other shape to shape shown in Figure 19; Driving tongue 12 can be back and forth flexible in the driving tongue hole 11 of correspondence through the driving mechanism that is arranged in the lock body 1; These driving mechanisms can adopt lock core structure commonly used and the shifting block that cooperates with lock core structure etc., are vertically arranged with the set bar groove 13 corresponding with driving tongue hole 11 in the lock body 1, and are as shown in the figure; Drive tongue 12 corresponding to one and can one set bar groove 13 be set respectively at this upper and lower that drives tongue, the position of set bar groove becomes 90 ° of angles staggered with the driving tongue direction of motion.
As shown in the figure; Fastener 2 is provided with some locking bolts 21 that insert in the corresponding set bar groove 13; Locking bolt 21 can adopt structure as shown in Figs. 8 to 11 and shape, also can adopt other form, as tabular, hook-shaped or the like; Locking bolt 21 is provided with the locking mechanism that cooperates with locking bolt, and this locking mechanism can be the latch recess 211 that is arranged on the locking bolt as shown in the figure.
Be provided with latch fitting hole 14 in the lock body 1; Intersect with corresponding driving tongue hole 11 and set bar groove 13 respectively in latch fitting hole 14; The locking piece 15 that cooperates with corresponding locking bolt and driving tongue is installed in the latch fitting hole 14, and locking piece can partly insert in the latch recess on the locking bolt under the driving of respective drive tongue.What locking piece adopted in this embodiment is steel ball, and locking piece also can adopt other shapes such as pin certainly.
Operating principle of the present invention is: lock body is installed in the door; Lock body is provided with some driving tongues; Each drives the tongue above-below direction and is provided with steel ball, drives tongue and under the driving mechanism effect of lock body, can drive the upper and lower motion of steel ball, and the steel ball direction of motion becomes 90 ° of angles staggered with the driving tongue direction of motion; Lock body vertically is provided with set bar groove at place, steel ball orientation, and this set bar groove becomes vertical 90 ° of angles with lock body; Corresponding set bar groove place, security door surface grooved bore communicates with the lock body set bar groove; The doorframe place is fixed with some locking bolts, and it is latch recess that locking bolt is provided with R type lock hole, R type lock hole accordingly with the steel ball interlock, locking bolt becomes vertical 90 ° of angles with lock body, security door two sides, locking bolt is parallel with set bar groove, set bar groove can insert locking bolt.
At closing time, door becomes vertical 90 ° with lock body, and the locking bolt on the doorframe inserts the set bar groove of offering on the lock body through the slotted eye of offering on the door; Lock body is stretched out in action forward after the set bar groove on the lock body buckles in the locking bolt abreast, and lock body driving tongue drives through mechanism; Promoting steel ball then moves up and down; The R type lock hole that last steel ball gets on the locking bolt is a latch recess, forms staggered snap-lock through the lock of the R type on steel ball and locking bolt hole, thereby stops the unlatching of door.
When opening the door, lock body drives and moves backward after tongue drives through mechanism, and the retraction lock body is removed the locking in the R type lock hole on steel ball and the locking bolt, and door can draw back or push open.
The present invention fundamentally thoroughly changes traditional safe-guard door lock timing dead bolt becomes a plane with the doorframe lock tongue slot structure; Innovation ground proposes on doorframe, to set locking bolt; Make door become vertical 90 ° to insert locking bolt with lock body; Form staggered 90 ° of actions through driving tongue, the steel ball of setting again, finally reach purpose by steel ball lock lock bolt.Because in this invention, door becomes vertical 90 ° to insert the locking bolt snap-lock, the mode of its staggered locking with lock body; The pick-proof power that door can be born significantly improves; Fundamentally stop the robber and reach the possibility of opening by force, use the steel ball locking, more can effectively reduce the friction of mechanism through the mode of forcing open the door; Improve lockset application life, the lock mode that a kind of structure of having started security door more rationally, safety factor is higher.
The above-mentioned just preferred embodiment of the present invention; It is not construed as limiting the invention; The present invention also can have other structural change; Locking mechanism also can adopt and be arranged on the lock hole on the locking bolt or be arranged on the terminal lock hook of locking bolt, the locking form can adopt drive tongue directly with locking bolt on the structure that cooperates of latch recess, perhaps adopt driving tongue and lock hole or be arranged on the structure that the lock hook of locking bolt end cooperates; Latch recess on the locking bolt and driving tongue can carry out the modification of size according to this theory, and the shape of set bar groove can be confirmed according to the shape of locking bolt; The lock fit that drives between tongue and the locking bolt can adopt the form of counteragent to accomplish; As drive the locking that realizes when certain distance is contracted in gyrus lingulais with locking bolt, otherwise, when driving tongue and stretching out certain distance; Promptly remove locking with locking bolt; Or the like, so long as the equalization of doing according to protection scope of the present invention changes and modify, all should still belong in the scope that the present invention contains.

Claims (5)

1. bolt-free lock that is used for security door; Comprise and be installed on the lock body on the door and be installed in the fastener on the doorframe; It is characterized in that being horizontally arranged with in the said lock body driving tongue hole; The driving tongue is installed in the lock body, and said driving tongue can be back and forth flexible in driving the tongue hole, is vertically arranged with the set bar groove corresponding with driving the tongue hole in the lock body; Said fastener is provided with the locking bolt that can insert in the corresponding set bar groove, and locking bolt is provided with the locking mechanism that cooperates with locking bolt.
2. a kind of bolt-free lock that is used for security door according to claim 1 is characterized in that said locking mechanism is arranged on the latch recess on the locking bolt.
3. a kind of bolt-free lock that is used for security door according to claim 1 is characterized in that said locking mechanism is arranged on the lock hole on the locking bolt or is arranged on the terminal lock hook of locking bolt.
4. a kind of bolt-free lock that is used for security door according to claim 2; It is characterized in that being provided with in the said lock body latch fitting hole; Intersect with corresponding driving tongue hole and set bar groove respectively in said latch fitting hole; The locking piece that cooperates with corresponding locking bolt and driving tongue is installed in the latch fitting hole, and said locking piece can partly insert in the latch recess on the locking bolt under the driving of respective drive tongue.
5. a kind of bolt-free lock that is used for security door according to claim 4 is characterized in that said locking piece is a steel ball.
CN2010101657597A 2010-05-07 2010-05-07 Bolt-free lock for anti-theft door Expired - Fee Related CN101839096B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010101657597A CN101839096B (en) 2010-05-07 2010-05-07 Bolt-free lock for anti-theft door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010101657597A CN101839096B (en) 2010-05-07 2010-05-07 Bolt-free lock for anti-theft door

Publications (2)

Publication Number Publication Date
CN101839096A CN101839096A (en) 2010-09-22
CN101839096B true CN101839096B (en) 2012-03-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010101657597A Expired - Fee Related CN101839096B (en) 2010-05-07 2010-05-07 Bolt-free lock for anti-theft door

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CN (1) CN101839096B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104727661A (en) * 2013-12-18 2015-06-24 宋华 Hidden longitudinal locking antitheft door lock locked with key

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4083211A (en) * 1977-04-18 1978-04-11 Chicago Lock Co. Axial split-pin tumbler-type lock mechanism for a handle lock
CN2053648U (en) * 1989-05-09 1990-02-28 杜新伟 Safety padlock with cross-cylinder and two bolts
CN2221639Y (en) * 1995-05-19 1996-03-06 杨永顺 Self-locking anti-theft lock
CN201714180U (en) * 2010-05-07 2011-01-19 李海林 A boltless lockset for anti-theft doors

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4083211A (en) * 1977-04-18 1978-04-11 Chicago Lock Co. Axial split-pin tumbler-type lock mechanism for a handle lock
CN2053648U (en) * 1989-05-09 1990-02-28 杜新伟 Safety padlock with cross-cylinder and two bolts
CN2221639Y (en) * 1995-05-19 1996-03-06 杨永顺 Self-locking anti-theft lock
CN201714180U (en) * 2010-05-07 2011-01-19 李海林 A boltless lockset for anti-theft doors

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Publication number Publication date
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Granted publication date: 20120328

Termination date: 20130507