CN109958336B - Anti-falling door lock - Google Patents
Anti-falling door lock Download PDFInfo
- Publication number
- CN109958336B CN109958336B CN201910231769.7A CN201910231769A CN109958336B CN 109958336 B CN109958336 B CN 109958336B CN 201910231769 A CN201910231769 A CN 201910231769A CN 109958336 B CN109958336 B CN 109958336B
- Authority
- CN
- China
- Prior art keywords
- lock
- hole
- boss
- falling
- mandrel
- 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.)
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Links
- 238000009434 installation Methods 0.000 claims description 36
- 230000002265 prevention Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000013016 damping Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- E05B65/00—Locks or fastenings for special use
- E05B65/52—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like
Abstract
The invention discloses an anti-falling door lock with anti-falling function and moderate damping when a key jack is turned, comprising: lock body and lock core, this lock core includes: the central spindle is provided with a pair of limiting protruding parts along the circumferential direction; the lock body is provided with a lock cylinder mounting hole, the bottom wall of the lock cylinder mounting hole is provided with a mandrel through hole, the hole wall of the lock cylinder mounting hole is provided with an annular supporting boss near the bottom wall of the lock cylinder mounting hole, and the annular supporting boss is provided with a pair of in-place bosses matched with the limiting protruding parts along the circumferential direction; the lock core is inserted in the lock core mounting hole, so that the limiting protruding portion is located in the annular supporting boss, the bottom end of the limiting protruding portion abuts against the bottom wall of the lock core mounting hole, the protruding mounting boss penetrates out of the core shaft through hole of the lock body, the anti-falling piece is arranged, and the locking piece is arranged on the anti-falling piece. The anti-falling door lock is suitable for being installed on various cabinet doors, and is particularly suitable for being installed on cabinet doors of various electrical cabinets.
Description
Technical Field
The invention relates to a door lock arranged on various cabinet bodies, in particular to an anti-falling door lock arranged on various cabinet bodies.
Background
Currently, door locks mounted on cabinets comprise: lock body and activity wear to establish the lock core in the lock body, the concrete structure of lock core includes: the lock comprises a mandrel, wherein one end of the mandrel is provided with a key socket thicker than the mandrel, the other end of the mandrel extends out of the lock body and is provided with an extending installation boss, and a pair of limiting protruding parts are arranged on the mandrel along the circumferential direction; a lock core mounting hole matched with the key socket is formed in the lock body, a mandrel through hole matched with the mandrel is formed in the bottom wall of the lock core mounting hole, and a pair of in-place bosses matched with the limiting protruding parts are circumferentially arranged on the wall of the lock core mounting hole; the lock core is inserted in the lock core mounting hole, the bottom end of the limiting protruding portion abuts against the bottom wall of the lock core mounting hole, and the protruding mounting boss penetrates out of the core shaft through hole of the lock body and is provided with a locking plate. In the in-service use, the locking plate can only play the effect of blocking, lock the cabinet door on the cabinet body to can not prevent the cabinet door whereabouts, namely: no anti-falling function exists; in addition, because the lock core has no elasticity in the axial direction, damping is insufficient when the key socket is turned, and the hand feeling is poor during operation.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the anti-falling door lock has an anti-falling function and moderate damping when a key socket is turned.
In order to solve the technical problems, the invention adopts the following technical scheme: an anti-falling door lock, the structure of which comprises: lock body and activity wear to establish the lock core in the lock body, the cover is equipped with the spring on the lock core, the concrete structure of lock core includes: the lock comprises a core shaft, wherein one end of the core shaft is provided with a key socket thicker than the core shaft, the other end of the core shaft extends out of the lock body and is provided with an extending installation boss, a spring placing step is formed between the core shaft and the key socket, and a pair of limiting protruding parts are arranged on the core shaft along the circumferential direction; a lock cylinder mounting hole matched with the key socket is formed in the lock body, a mandrel through hole matched with the mandrel is formed in the bottom wall of the lock cylinder mounting hole, an annular supporting boss for supporting a spring is arranged on the hole wall of the lock cylinder mounting hole near the bottom wall of the lock cylinder mounting hole, and a pair of in-place bosses matched with the limiting protruding parts are arranged on the annular supporting boss along the circumferential direction; the lock core is inserted in the lock core mounting hole after being sleeved with the spring on the mandrel, so that two ends of the spring support are respectively supported on the annular support boss and the spring placing step, the limiting protruding part on the mandrel is positioned in the annular support boss, the bottom end of the limiting protruding part is propped against the bottom wall of the lock core mounting hole of the lock body, the extending mounting boss penetrates out of the mandrel through hole of the lock body and is provided with a falling prevention piece, the falling prevention piece is provided with a locking plate, and the mounting direction of the falling prevention piece is consistent with that of the locking plate, namely: blocking parts at two ends of the locking plate are respectively positioned right above the supporting parts at the corresponding ends of the anti-falling piece.
The concrete installation modes of the anti-falling piece, the extending installation boss and the locking piece are as follows: the anti-falling device is characterized in that at least one rotation stopping surface is arranged on the extending installation boss, a mandrel installation hole matched with the extending installation boss is formed in one side of the anti-falling piece, a lock piece installation boss is arranged on the other side of the anti-falling piece, at least one rotation stopping surface is arranged on the lock piece installation boss, a lock piece installation hole matched with the lock piece installation boss is formed in the lock piece, a fastening through hole communicated with the mandrel installation hole is formed in the lock piece installation boss, a fastening threaded hole is formed in the end face of the extending installation boss in an inward manner, and a fastening screw sleeved with a flat pad penetrates through the fastening through hole in the lock piece installation boss and is tightened in the fastening threaded hole in the extending installation boss.
In one preferable scheme, in the anti-falling door lock, the fastening screw is further sleeved with a spring pad before the fastening screw is sleeved with the flat pad.
In one preferable scheme, in the anti-falling door lock, an installation protruding part matched with a spring is arranged on the position, close to the key socket, of the core shaft, and the spring is sleeved on the installation protruding part.
In one preferable scheme, in the anti-falling door lock, the lock body is provided with a mounting cap edge at a position of a bead corresponding to a key socket of the lock cylinder, and the lock body is provided with mounting threads matched with the mounting nut at a position close to the mounting cap edge.
The beneficial effects of the invention are as follows: according to the anti-falling piece, the anti-falling piece matched with the locking piece is arranged below the locking piece, so that the supporting parts at the two ends of the anti-falling piece can be just clamped in the corresponding notch when the locking piece is locked, a jacking function is achieved on the cabinet door, and the cabinet door is effectively prevented from falling down; in addition, the spring sleeved on the mandrel increases damping when the key jack is turned, and the hand feeling of opening and closing the anti-falling door lock by the key is greatly improved.
Drawings
Fig. 1 is a schematic structural view of the anti-falling door lock according to the present invention.
FIG. 2 is a schematic cross-sectional view of A-A in FIG. 1.
Fig. 3 is a schematic perspective view of the anti-falling door lock according to the present invention.
The reference numerals in fig. 1 to 3 are: 1. the lock body, 10, the installation cap edge, 11, lock core mounting hole, 12, annular support boss, 13, mounting screw thread, 2, mounting nut, 3, lock core, 30, key socket, 31, dabber, 311, spacing bellying, 312, installation bellying, 32, stretch out the installation boss, 4, anti-falling piece, 41, locking plate installation boss, 5, locking plate, 6, flat pad, 7, fastening screw, 8, locking piece, 9, spring, 10, installation cap edge.
Detailed Description
A specific embodiment of a fall arrest door lock according to the present invention will be described in detail with reference to fig. 1 to 3.
As shown in fig. 1, 2 and 3, the anti-falling door lock according to the present invention includes: lock body 1 and activity wear to establish the lock core 3 in lock body 1, lock core 3 include: the lock comprises a mandrel 31, wherein a key socket 30 thicker than the mandrel 31 is arranged at one end of the mandrel 31, the other end of the mandrel 31 extends out of the lock body 1 and is provided with an extending installation boss 32, a spring placing step is formed between the mandrel 31 and the key socket 30, and a pair of limiting protruding parts 311 are arranged on the mandrel 31 along the circumferential direction; the lock body 1 is provided with a lock cylinder placement hole 11 matched with the key socket 30, the bottom wall of the lock cylinder placement hole 11 is provided with a mandrel through hole matched with the mandrel 31, the hole wall of the lock cylinder placement hole 11 is provided with an annular supporting boss 12 for supporting a spring near the bottom wall of the lock cylinder placement hole, the annular supporting boss 12 is provided with a pair of in-place bosses matched with the limiting boss 311 along the circumferential direction (the in-place bosses belong to the conventional technology in the field and are not shown in the figure), and the in-place bosses are matched with the limiting boss 311 to control the rotation angle of the lock cylinder 3 in the lock body 1); the lock core 3 is inserted in the lock core mounting hole 11 after the spring 9 is sleeved on the mandrel 31, so that two ends supported by the spring 9 are respectively supported on the annular supporting boss 12 and the spring placing step, a pair of limiting protruding parts 311 on the mandrel 31 are positioned in the annular supporting boss 12, the bottom ends of the limiting protruding parts are propped against the bottom wall of the lock core mounting hole 11 of the lock body 1, the extending mounting boss 32 penetrates out of the mandrel through hole of the lock body 1 and is provided with the anti-falling piece 4, the anti-falling piece 4 is provided with the locking piece 5, and the mounting direction of the anti-falling piece 4 is consistent with that of the locking piece 5, namely: blocking parts at two ends of the locking plate 5 are respectively positioned right above the supporting parts at the corresponding ends of the anti-falling piece 4; the concrete installation modes of the anti-falling piece 4, the extending installation boss 32 and the locking piece 5 are as follows: the anti-falling plate 32 is provided with at least one rotation stopping surface (generally, the cross section of the anti-falling plate is quadrilateral, namely, four rotation stopping surfaces are arranged, which belongs to the conventional technology in the field, and not shown in the figure), one side of the anti-falling plate 4 is provided with a mandrel mounting hole matched with the extending mounting boss 32, the other side of the anti-falling plate is provided with a lock plate mounting boss 41, the lock plate mounting boss 41 is provided with at least one rotation stopping surface (generally, the cross section of the anti-falling plate is quadrilateral, namely, four rotation stopping surfaces are arranged, which belongs to the conventional technology in the field, not shown in the figure), the lock plate 5 is provided with a lock plate mounting hole matched with the lock plate mounting boss 41, the lock plate mounting boss 41 is provided with a fastening through hole communicated with the mandrel mounting hole, the end surface of the extending mounting boss 32 is internally provided with a fastening threaded hole, and the fastening screw 7 sleeved with the flat pad 6 penetrates through the fastening through hole in the lock plate mounting boss 41 and is tightened in the fastening threaded hole on the extending mounting boss 32. In the embodiment, the mandrel 31 is provided with a mounting protruding part 312 matched with the spring 9 near the key socket 30, and the spring 9 is sleeved on the mounting protruding part 312; the lock body 1 is provided with a mounting cap edge 10 at a bead corresponding to the lock cylinder key socket 30, and the lock body 1 is provided with mounting threads 13 matched with the mounting nut 2 at a position close to the mounting cap edge 10.
In practical application, the fastening screw 7 is further sleeved with a spring pad before the flat pad 6 is sleeved, so that the fastening screw 7 can better tighten the locking plate 5 and the anti-falling plate 4 on the protruding installation boss 32 of the lock cylinder 3.
When the anti-falling device is used, a key is inserted into the key jack 30 to close the cabinet door, then the key is turned, so that the locking plate 5 is locked on the lock piece 8, at the moment, the supporting parts at the two ends of the anti-falling piece 4 are just clamped in the corresponding notch of the lock piece 8, so that the anti-falling device plays a role in propping the cabinet door, and the falling of the cabinet door is effectively prevented; in addition, the spring 9 sleeved on the mandrel 31 increases the damping when the key socket 30 is turned, and greatly improves the hand feeling during operation.
The foregoing description is only illustrative of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, but rather the equivalent variations and modifications in shape, construction, characteristics and spirit according to the scope of the claims should be construed to be included in the scope of the claims.
Claims (3)
1. A fall arrest door lock, comprising: lock body and activity wear to establish the lock core in the lock body, characterized by: the lock core on the cover be equipped with the spring, the concrete structure of lock core includes: the lock comprises a core shaft, wherein one end of the core shaft is provided with a key socket thicker than the core shaft, the other end of the core shaft extends out of the lock body and is provided with an extending installation boss, a spring placing step is formed between the core shaft and the key socket, and a pair of limiting protruding parts are arranged on the core shaft along the circumferential direction; the lock body is provided with a lock core placement hole matched with the key socket, the bottom wall of the lock core placement hole is provided with a mandrel through hole matched with the mandrel, the hole wall of the lock core placement hole is provided with an annular supporting boss for supporting a spring near the bottom wall of the lock core placement hole, and the annular supporting boss is provided with a pair of in-place bosses matched with the limiting protruding parts along the circumferential direction; the lock core is inserted in the lock core mounting hole after being sleeved with the spring on the mandrel, so that two ends of the spring support are respectively supported on the annular support boss and the spring placing step, the limiting protruding part on the mandrel is positioned in the annular support boss, the bottom end of the limiting protruding part is propped against the bottom wall of the lock core mounting hole of the lock body, the extending mounting boss penetrates out of the mandrel through hole of the lock body and is provided with a falling prevention piece, the falling prevention piece is provided with a locking plate, and the mounting direction of the falling prevention piece is consistent with that of the locking plate, namely: blocking parts at two ends of the locking plate are respectively positioned right above the supporting parts at the corresponding ends of the anti-falling piece; the concrete installation modes of the anti-falling piece, the extending installation boss and the locking piece are as follows: the anti-falling device comprises an anti-falling piece, a mandrel, a locking plate mounting boss, a locking plate mounting hole, a fastening through hole, a fastening screw and a fastening screw, wherein the anti-falling piece is provided with at least one rotation stopping surface on one side, the mandrel is provided with the locking plate mounting hole matched with the anti-falling piece, the locking plate mounting boss is provided with the locking plate mounting hole matched with the locking plate mounting boss, the locking plate mounting boss is provided with the fastening through hole communicated with the mandrel mounting hole, the end face of the anti-falling piece is provided with the fastening threaded hole inwards, and the fastening screw sleeved with the flat pad penetrates through the fastening through hole in the locking plate mounting boss and is tightened in the fastening threaded hole on the extending mounting boss; the core shaft is provided with an installation protruding part matched with the spring at a position close to the key socket, and the spring is sleeved on the installation protruding part.
2. The fall arrest door lock as claimed in claim 1, wherein: the fastening screw is also sleeved with a spring pad before being sleeved with the flat pad.
3. A fall arrest door lock according to claim 1 or 2, wherein: the lock body be provided with the installation cap edge in the corresponding edge department of lock core key socket, the lock body be provided with the installation screw thread with installation nut matched with in being close to installation cap edge department.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910231769.7A CN109958336B (en) | 2019-03-26 | 2019-03-26 | Anti-falling door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910231769.7A CN109958336B (en) | 2019-03-26 | 2019-03-26 | Anti-falling door lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109958336A CN109958336A (en) | 2019-07-02 |
| CN109958336B true CN109958336B (en) | 2024-01-26 |
Family
ID=67024888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910231769.7A Active CN109958336B (en) | 2019-03-26 | 2019-03-26 | Anti-falling door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109958336B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111593953A (en) * | 2020-04-26 | 2020-08-28 | 北京航天福道高技术股份有限公司 | Shear lock |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2343275Y (en) * | 1998-09-03 | 1999-10-13 | 李明 | Wedge pliers braking type fall-prevention safety lock |
| WO2006094416A1 (en) * | 2005-03-08 | 2006-09-14 | Keso Ag | Rotatable lock cylinder for a security lock |
| CN101559267A (en) * | 2008-04-18 | 2009-10-21 | 陈锦鹏 | Device and system for preventing falling |
| CN105201302A (en) * | 2014-06-21 | 2015-12-30 | 倪国森 | Anti-theft and anti-falling coded lock of window |
| CN209942445U (en) * | 2019-03-26 | 2020-01-14 | 江苏天翔电气有限公司 | Anti-falling door lock |
-
2019
- 2019-03-26 CN CN201910231769.7A patent/CN109958336B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2343275Y (en) * | 1998-09-03 | 1999-10-13 | 李明 | Wedge pliers braking type fall-prevention safety lock |
| WO2006094416A1 (en) * | 2005-03-08 | 2006-09-14 | Keso Ag | Rotatable lock cylinder for a security lock |
| CN101559267A (en) * | 2008-04-18 | 2009-10-21 | 陈锦鹏 | Device and system for preventing falling |
| WO2009127142A1 (en) * | 2008-04-18 | 2009-10-22 | Chen Jinpeng | An anti-falling device and system |
| CN105201302A (en) * | 2014-06-21 | 2015-12-30 | 倪国森 | Anti-theft and anti-falling coded lock of window |
| CN209942445U (en) * | 2019-03-26 | 2020-01-14 | 江苏天翔电气有限公司 | Anti-falling door lock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109958336A (en) | 2019-07-02 |
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