CN107386806B - Safety device interlocked by mechanical key - Google Patents
Safety device interlocked by mechanical key Download PDFInfo
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- CN107386806B CN107386806B CN201710727795.XA CN201710727795A CN107386806B CN 107386806 B CN107386806 B CN 107386806B CN 201710727795 A CN201710727795 A CN 201710727795A CN 107386806 B CN107386806 B CN 107386806B
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B35/00—Locks for use with special keys or a plurality of keys ; keys therefor
- E05B35/08—Locks for use with special keys or a plurality of keys ; keys therefor operable by a plurality of keys
- E05B35/12—Locks for use with special keys or a plurality of keys ; keys therefor operable by a plurality of keys requiring the use of two keys, e.g. safe-deposit locks
-
- 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
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention relates to the technical field of mechanical locks, in particular to a safety device interlocked by a mechanical key, which comprises a lock body and a lock bolt and is characterized in that: the lock body and the lock bolt are in a mechanical key interlocking structure; the lock body comprises a main key, a lock cylinder, a lock shell and a lock core; the lock bolt comprises a lock bolt, a lock bolt pressure head, a lock bolt pressing device and an auxiliary key, wherein the lock bolt, the lock bolt pressure head, the lock bolt pressing device and the auxiliary key are arranged in the lock shell; when the auxiliary cylinder of the lock tongue rotates to the lock tongue groove embedded in the lock cylinder, the connection between the linear convex block of the lock cylinder and the two grooves of the lock cylinder is crossed, and the main key cannot rotate; when the auxiliary cylinder of the lock tongue rotates to the position where the other arc surface groove is opposite to the lock tongue groove of the lock cylinder, the main key can drive the lock cylinder to rotate until the two lugs of the main key correspond to the two grooves of the lock cylinder, and the main key can be pulled out at the moment. Compared with the prior art, the invention has the advantages of small volume, high safety factor, simple installation and use, reliable work and low price.
Description
Technical Field
The invention relates to the technical field of mechanical locks, in particular to a safety device interlocked by a mechanical key.
Background
At present, the industrial safety is more and more concerned and emphasized by people, and technical means for solving the industrial safety problem are more and more, but a lot of improvements and defects exist in the industrial safety door lock problem.
The traditional industrial door lock does not have the interlocking function, or is not suitable for industrial environments such as unsuitable or expensive electric components, limited spatial arrangement, explosion hazard and the like. Therefore, the invention is necessary to provide a safety device of the mechanical key interlock, which has the advantages of small volume, high safety factor, simple installation and use and reliable work.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a mechanical key interlocking structure which is small in size, safe and reliable to use, convenient to install and ingenious in structure.
In order to realize the above-mentioned purpose, design a safety device that mechanical key interlocked, including lock body and set bar, its characterized in that: the lock body and the lock bolt are in a mechanical key interlocking structure;
the lock body comprises a main key, a lock cylinder, a lock shell and a lock cylinder;
the main key comprises a handle part and a disc part fixedly connected with the handle part, wherein a linear groove is formed in the bottom of the disc part, two convex blocks are symmetrically arranged on the outer wall of the disc part, and a connecting line between the two convex blocks is in the same direction as the linear groove;
one end part of the inner wall of the lock cylinder is provided with a circle of annular edge, and grooves for accommodating the two lugs are symmetrically arranged on the annular edge; the inner diameter of the annular edge is smaller than the distance between the outer end points of the two lugs, and the distance between the outer end points of the two grooves is larger than or equal to the distance between the outer end points of the two lugs;
the lock core adopts a main cylinder, a linear convex block matched with a linear groove is arranged on one end face of the main cylinder, and a lock tongue groove with an arc surface is arranged on the outer wall of the main cylinder, is perpendicular to the direction of a bus of the main cylinder and is parallel to the radial direction of the main cylinder;
one surface of the lock shell is provided with an accommodating groove for accommodating the lock cylinder and the lock barrel; the side wall of the lock shell vertical to the accommodating groove is provided with another accommodating groove;
the lock cylinder is embedded into the accommodating groove, the lock cylinder is positioned in the accommodating groove and sleeved on one end face of the lock cylinder, which is provided with a linear convex block, and is bolted with the lock shell, and the linear groove of the main key is connected with the linear convex block of the lock cylinder in a nested manner;
the lock bolt comprises a lock bolt, a lock bolt pressure head, a lock bolt pressing device and an auxiliary key which are arranged in the lock shell;
the spring bolt adopts an auxiliary cylinder, one end face of the auxiliary cylinder is provided with an elastic spring bolt pressing device, the outer wall of the auxiliary cylinder is provided with another arc surface groove for accommodating the local outer wall of the main cylinder, and the other end face of the auxiliary cylinder is provided with a spring bolt groove;
the auxiliary key comprises a lock rod, a lock rod spring and a spring pressing cap, wherein the spring pressing cap is arranged at one end of the lock rod, an auxiliary lock tongue portion is arranged at the other end of the lock rod, a check ring is further arranged on the lock rod close to the auxiliary lock tongue portion, and the lock rod between the check ring and the spring pressing cap is sleeved with the lock rod spring;
the bolt pressure head is cylindrical, and the outer end of the cylindrical outer wall is provided with a circle of flange; the bolt pressure head is provided with a through hole for accommodating a local lock rod along the axial direction;
the lock rod between the auxiliary lock tongue part of the auxiliary key and the retainer ring penetrates into the through hole of the lock tongue pressure head, and the auxiliary lock tongue part is positioned outside one end of the lock tongue pressure head; the auxiliary bolt part is embedded into the bolt groove of the bolt;
the lock bolt of the lock bolt penetrates into the lock shell from the other accommodating groove, the lock bolt pressing device is pressed against the inner wall of the lock shell, the auxiliary cylinder at the groove of the other arc surface of the lock bolt is embedded into the lock bolt groove of the lock cylinder, the lock cylinder and the auxiliary cylinder are crossed, and the flange of the lock bolt pressure head is positioned outside the other accommodating groove;
when the auxiliary cylinder of the lock tongue rotates to the lock tongue groove embedded in the lock cylinder, the connection between the linear convex block of the lock cylinder and the two grooves of the lock cylinder is crossed, and the main key cannot rotate;
when the auxiliary cylinder of the lock tongue rotates to the position where the other arc surface groove is opposite to the lock tongue groove of the lock cylinder, the main key can drive the lock cylinder to rotate until the two lugs of the main key correspond to the two grooves of the lock cylinder, and the main key can be pulled out at the moment.
The lock bolt is provided with a lock cylinder limiting device;
the lock core limiting device is characterized in that a notch is formed in the outer wall of the main cylinder opposite to the lock tongue groove along the alignment line of the main cylinder, one end of a limiting rod is connected to the notch in a bolted mode, a limiting head is arranged at the other end of the limiting rod, and the limiting head is connected to the inner wall of the lock shell in a bolted mode.
The arc included angle of the notch is 90 degrees.
The lock tongue is also provided with a lock tongue limiting device;
the bolt limiting device is characterized in that another opening is arranged at the other end face, close to the auxiliary cylinder, opposite to the groove of the other arc surface along the alignment line of the bolt limiting device, one end of another limiting column is bolted in the other opening, and the other end of the other limiting column is bolted on the shell wall at the corresponding position of the lock shell.
The arc included angle of the other opening is 90 degrees.
The spring bolt pressing device comprises a T-shaped cylinder and a spring, the head of the T-shaped cylinder is nested on the lock shell, and the spring is sleeved on the T-shaped cylinder between the head of the T-shaped cylinder and one end face of the auxiliary cylinder.
The lock rod between the flange and the lock rod spring is provided with an auxiliary key fixing seat.
The auxiliary lock tongue part and the lock rod are in a T shape.
And a fin-shaped handle part is arranged on the outer wall of the spring pressing cap.
The end surface of the lock bolt pressure head far away from the auxiliary cylinder side is provided with a conical groove along the axial direction.
Compared with the prior art, the invention has the advantages of small volume, high safety factor, simple installation and use, reliable work and low price.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a perspective view of the present invention.
Figure 3 is a perspective view of the lock housing of the present invention.
Fig. 4 is a perspective view of the master key of the present invention.
Fig. 5 is a bottom perspective view of the lock cylinder of the present invention.
FIG. 6 is a top perspective view of the lock cylinder of the present invention.
FIG. 7 is
Fig. 8 is a perspective view of the locking tongue of the present invention.
Fig. 9 is a perspective view of the deadbolt head of the present invention.
FIG. 10 is a perspective view of the locking lever and secondary locking tongue portion of the present invention.
Fig. 11 is a perspective view of the assembled deadbolt and deadbolt head of the present invention.
Fig. 12 is a perspective view of the latch bolt of the present invention from another perspective after assembly with the latch bolt ram.
Fig. 13 is a perspective view of the assist key of the present invention.
Fig. 14 is a perspective view of the latch of the present invention.
Fig. 15 is a perspective view of another view of the latch of the present invention.
Figure 16 is a perspective view of the lock body and lock bolt of the present invention in a locked condition.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and examples.
Example 1
Referring to fig. 1-16, a safety device interlocked by a mechanical key comprises a lock body and a lock bolt, and is characterized in that: the lock body and the lock bolt are in a mechanical key interlocking structure;
the lock body comprises a main key 1, a lock cylinder 2, a lock shell 3 and a lock cylinder 9;
the main key 1 comprises a handle part 1-1 and a disc part 1-2 fixedly connected with the handle part 1-1, wherein the bottom of the disc part 1-2 is provided with a linear groove 1-4, the outer wall of the disc part 1-2 is symmetrically provided with two convex blocks 1-3, and the connecting line between the two convex blocks 1-3 is in the same direction as the linear groove 1-4;
one end part of the inner wall of the lock cylinder 2 is provided with a ring of annular edge 2-2, and the annular edge 2-2 is symmetrically provided with grooves 2-1 for accommodating two lugs 1-3; the inner diameter of the annular edge 2-2 is smaller than the distance between the outer end points of the two lugs 1-3, and the distance between the outer end points of the two grooves 2-1 is larger than or equal to the distance between the outer end points of the two lugs 1-3;
the lock core 9 adopts a main cylinder 9-4, a linear convex block 9-1 matched with a linear groove 1-4 is arranged on one end face of the main cylinder 9-4, and a bolt groove 9-2 with an arc surface is arranged on the outer wall of the main cylinder 9-4, is vertical to the direction of a bus of the main cylinder 9-4 and is parallel to the radial direction of the main cylinder 9-4;
one surface of the lock shell 3 is provided with an accommodating groove 3-1 for accommodating the lock cylinder 9 and the lock cylinder 2; the side wall of the lock shell 3 vertical to the accommodating groove 3-1 is provided with another accommodating groove 3-2;
the lock cylinder 9 is embedded into the accommodating groove 3-1, the lock cylinder 2 is positioned in the accommodating groove 3-1 and sleeved on one end face of the lock cylinder 9 provided with the linear convex block 9-1 to be bolted with the lock shell 3, and the linear groove 1-4 of the main key 1 is nested and connected with the linear convex block 9-1 of the lock cylinder 9;
the lock bolt comprises a lock bolt 10, a lock bolt pressure head 4, a lock bolt pressing device 13 and an auxiliary key which are arranged in a lock shell 3;
the lock tongue 10 adopts an auxiliary cylinder 10-1, one end surface of the auxiliary cylinder 10-1 is provided with an elastic lock tongue pressing device 13, the outer wall of the auxiliary cylinder 10-1 is provided with another arc surface groove 10-2 for accommodating the local outer wall of the main cylinder 9-4, and the other end surface of the auxiliary cylinder 10-1 is provided with a lock tongue groove 10-3;
the auxiliary key comprises a lock rod 6, a lock rod spring 7 and a spring pressing cap 8, wherein the spring pressing cap 8 is arranged at one end of the lock rod 6, an auxiliary lock tongue 6-1 is arranged at the other end of the lock rod 6, a check ring 6-2 is also arranged on the lock rod 6 close to the auxiliary lock tongue 6-1, and the lock rod spring 7 is sleeved on the lock rod 6 between the check ring 6-2 and the spring pressing cap 8;
the bolt pressure head 4 is cylindrical, and the outer end of the cylindrical outer wall is provided with a circle of flange 4-1; the bolt pressure head 4 is provided with a through hole 4-2 for accommodating a local lock rod 6 along the axial direction;
the lock rod 6 between the auxiliary lock tongue 6-1 of the auxiliary key and the retainer ring 6-2 penetrates into the through hole 4-2 of the lock tongue pressure head 4, and the auxiliary lock tongue 6-1 is positioned outside one end of the lock tongue pressure head 4; the auxiliary bolt part 6-1 is embedded into the bolt groove 10-3 of the bolt 10;
the lock bolt 10 of the lock bolt penetrates into the lock shell 3 from the other accommodating groove 3-2, the lock bolt pressing device 13 is pressed against the inner wall of the lock shell 3, the auxiliary cylinder 10-1 at the other arc surface groove 10-2 of the lock bolt 10 is embedded into the lock bolt groove 9-2 of the lock cylinder 9, the lock cylinder 9 and the auxiliary cylinder 10-1 are crossed, and the flange of the lock bolt pressure head 4 is positioned outside the other accommodating groove 3-2; in the scheme, a lock tongue pressure head 4 is bolted with a lock shell 3 at the other accommodating groove 3-2 by adopting a stud 4-5, and refer to fig. 1, fig. 2, fig. 11 and fig. 12;
when the auxiliary cylinder 10-1 of the lock tongue 10 rotates to the lock tongue groove 9-2 embedded in the lock cylinder 9, the connection between the linear convex block 9-1 of the lock cylinder 9 and the two grooves 2-1 of the lock cylinder 2 is crossed, and the main key 1 cannot rotate;
when the auxiliary cylinder 10-1 of the lock tongue 10 rotates to the position that the other arc surface groove 10-2 is opposite to the lock tongue groove 9-2 of the lock cylinder 9, the main key 1 can drive the lock cylinder 9 to rotate until the two lugs 1-3 of the main key 1 correspond to the two grooves 2-1 of the lock cylinder 2, and at the moment, the main key 1 can be pulled out.
Thus, when the master key 1 is inserted to open a locked door or cover, the throw can be rotated a certain angle away from the lock body while the master key 1 is locked to the lock body. The main key 1 and the auxiliary key can respectively operate the lock cylinder 9 and the bolt 10 to complete intersecting or non-intersecting connection, and the lock body and the lock bolt can be separated if and only if the lock cylinder 9 intersects the bolt 10. When the lock body is separated from the lock bolt, the lock core 9 penetrates through the lock bolt 10, the lock bolt 10 is not in inertia contact with the lock core 9, and the main key 1 is locked on the lock core 9 at the moment. When the lock cylinder 9 penetrates through the lock tongue 10, the lock rod 6 is rotated clockwise, at the moment, the other arc surface groove 10-2 of the lock tongue 10 is attached to the outer wall of the cylinder at the lock tongue groove 9-2 of the lock cylinder 9, and the lock bolt is separated from the lock body. After the lock bolt is separated from the lock body, the lock bolt is tensioned under the action of the lock bolt pressing device 13, and the lock bolt is prevented from loosening or rotating.
Furthermore, the lock bolt is provided with a lock core limiting device 11; the lock core limiting device 11 is characterized in that an opening 9-3 is formed in the outer wall of the main cylinder 9-4 on the opposite side of the bolt groove 9-2 along the alignment line of the main cylinder, one end of a limiting rod 11-1 is bolted in the opening 9-3, the other end of the limiting rod 11-1 is provided with a limiting head 11-2, and the limiting head 11-2 is bolted with the inner wall of the lock shell 3.
Furthermore, the arc included angle of the notch is 90 degrees. When the master key is inserted to open the locked door or cover, the throw is rotated 90 degrees out of the lock body while the master key 1 is locked to the lock body.
Furthermore, the lock tongue is also provided with a lock tongue limiting device 12; the bolt limiting device 12 is characterized in that another opening 10-4 is arranged along the alignment line at the other end face, close to the auxiliary cylinder 10-1, of the opposite side of the other arc surface groove 10-2, one end of another limiting column 12-1 is connected in the other opening 10-4 in a bolted mode, and the other end of the other limiting column 12-1 is connected to the wall of the corresponding part of the lock shell 3 in a bolted mode.
Furthermore, the arc included angle of the other opening 10-4 is 90 degrees. When the auxiliary key operates the bolt, the bolt can only be opened by rotating 90 degrees clockwise or closed by rotating 90 degrees anticlockwise under the constraint of the bolt limiting device 12.
Furthermore, the bolt pressing device 13 comprises a T-shaped cylinder and a spring 13-1, the head of the T-shaped cylinder is nested on the lock shell 3, and the spring 13-1 is sleeved on the T-shaped cylinder between the head of the T-shaped cylinder and one end face of the auxiliary cylinder 10-1.
Furthermore, a lock rod 6 positioned between the flange 4-1 and the lock rod spring 7 is provided with an auxiliary key fixing seat 5.
Furthermore, the auxiliary lock tongue portion 6-1 and the lock rod 6 are in a T shape.
Furthermore, a fin-shaped handle part 8-1 is arranged on the outer wall of the spring pressing cap 8, so that the operation is convenient.
Furthermore, the end face of the bolt pressing head 4 far away from the side of the auxiliary cylinder 10-1 is provided with a conical groove 4-3 along the axial direction, so that the retainer ring 6-2 can be conveniently accommodated.
Claims (8)
1. The utility model provides a safety device of mechanical key interlocking, includes lock body and set bar which characterized in that: the lock body and the lock bolt are in a mechanical key interlocking structure;
the lock body comprises a main key (1), a lock cylinder (2), a lock shell (3) and a lock cylinder (9);
the master key (1) comprises a handle part (1-1) and a disc part (1-2) fixedly connected with the handle part (1-1), wherein the bottom of the disc part (1-2) is provided with a linear groove (1-4), the outer wall of the disc part (1-2) is symmetrically provided with two convex blocks (1-3), and a connecting line between the two convex blocks (1-3) is in the same direction as the linear groove (1-4);
one end part of the inner wall of the lock cylinder (2) is provided with a ring of annular edge (2-2), and grooves (2-1) for accommodating two lugs (1-3) are symmetrically arranged on the annular edge (2-2); the inner diameter of the annular edge (2-2) is smaller than the distance between the outer end points of the two lugs (1-3), and the distance between the outer end points of the two grooves (2-1) is larger than or equal to the distance between the outer end points of the two lugs (1-3);
the lock core (9) adopts a main cylinder (9-4), a linear convex block (9-1) matched with a linear groove (1-4) is arranged on one end surface of the main cylinder (9-4), and a bolt groove (9-2) with a circular arc surface is arranged on the outer wall of the main cylinder (9-4), is vertical to the direction of a bus of the main cylinder (9-4) and is parallel to the radial direction of the main cylinder (9-4);
one surface of the lock shell (3) is provided with an accommodating groove (3-1) for accommodating the lock cylinder (9) and the lock cylinder (2); the side wall of the lock shell (3) which is vertical to the accommodating groove (3-1) is provided with another accommodating groove (3-2);
the lock cylinder (9) is embedded into the accommodating groove (3-1), the lock cylinder (2) is positioned in the accommodating groove (3-1) and sleeved on one end face, provided with the linear convex block (9-1), of the lock cylinder (9) to be bolted with the lock shell (3), and the linear groove (1-4) of the main key (1) is connected with the linear convex block (9-1) of the lock cylinder (9) in a nesting manner;
the lock bolt comprises a lock bolt (10), a lock bolt pressure head (4), a lock bolt pressing device (13) and an auxiliary key, wherein the lock bolt is arranged in the lock shell (3);
the lock tongue (10) adopts an auxiliary cylinder (10-1), one end face of the auxiliary cylinder (10-1) is provided with an elastic lock tongue pressing device (13), the outer wall of the auxiliary cylinder (10-1) is provided with another arc surface groove (10-2) for accommodating the local outer wall of the main cylinder (9-4), and the other end face of the auxiliary cylinder (10-1) is provided with a lock tongue groove (10-3); the bolt pressing device (13) comprises a T-shaped cylinder and a spring (13-1), the head of the T-shaped cylinder is nested on the lock shell (3), and the spring (13-1) is sleeved on the T-shaped cylinder between the head of the T-shaped cylinder and one end face of the auxiliary cylinder (10-1);
the auxiliary key comprises a lock rod (6), a lock rod spring (7) and a spring pressing cap (8), wherein the spring pressing cap (8) is arranged at one end of the lock rod (6), an auxiliary lock tongue portion (6-1) is arranged at the other end of the lock rod (6), a check ring (6-2) is further arranged on the lock rod (6) close to the auxiliary lock tongue portion (6-1), and the lock rod (6) between the check ring (6-2) and the spring pressing cap (8) is sleeved with the lock rod spring (7);
the bolt pressure head (4) is cylindrical, and the outer end of the cylindrical outer wall is provided with a circle of flange (4-1); the lock tongue pressure head (4) is provided with a through hole (4-2) for accommodating a local lock rod (6) along the axial direction;
the lock rod (6) between the auxiliary lock tongue part (6-1) of the auxiliary key and the retainer ring (6-2) penetrates into the through hole (4-2) of the lock tongue pressure head (4), and the auxiliary lock tongue part (6-1) is positioned outside one end of the lock tongue pressure head (4); the auxiliary bolt locking part (6-1) is embedded into a bolt groove (10-3) of the bolt (10); the auxiliary lock tongue part (6-1) and the lock rod (6) are in a T shape;
the lock bolt (10) of the lock bolt penetrates into the lock shell (3) from the other accommodating groove (3-2), the lock bolt pressing device (13) abuts against the inner wall of the lock shell (3), an auxiliary cylinder (10-1) at the position of the other arc surface groove (10-2) of the lock bolt (10) is embedded into the lock bolt groove (9-2) of the lock cylinder (9), the lock cylinder (9) and the auxiliary cylinder (10-1) are in a cross shape, and the flange of the lock bolt pressure head (4) is positioned outside the other accommodating groove (3-2);
when the auxiliary cylinder (10-1) of the bolt (10) rotates to be embedded into the bolt groove (9-2) of the lock cylinder (9), the connection between the linear convex block (9-1) of the lock cylinder (9) and the two grooves (2-1) of the lock cylinder (2) is crossed, and the master key (1) cannot rotate;
when the auxiliary cylinder (10-1) of the lock tongue (10) rotates to the position where the other arc surface groove (10-2) faces the lock tongue groove (9-2) of the lock cylinder (9), the main key (1) can drive the lock cylinder (9) to rotate until the two lugs (1-3) of the main key (1) correspond to the two grooves (2-1) of the lock cylinder (2), and the main key (1) can be pulled out at the moment.
2. A mechanical key interlock safety device as defined in claim 1, wherein:
the lock bolt is provided with a lock cylinder limiting device (11);
the lock core limiting device (11) is characterized in that an opening (9-3) is formed in the outer wall of a main cylinder (9-4) on the opposite side of a bolt groove (9-2) along a directrix of the main cylinder, one end of a limiting rod (11-1) is bolted in the opening (9-3), a limiting head (11-2) is arranged at the other end of the limiting rod (11-1), and the limiting head (11-2) is bolted with the inner wall of a lock shell (3).
3. A mechanical key interlock safety device as defined in claim 2, wherein: the arc included angle of the notch (9-3) is 90 degrees.
4. A mechanical key interlock safety device as defined in claim 1, wherein:
the lock tongue is also provided with a lock tongue limiting device (12);
the bolt limiting device (12) is characterized in that another opening (10-4) is arranged at the other end face, close to the auxiliary cylinder (10-1), of the opposite side of the other arc-surface groove (10-2) along the alignment line of the bolt limiting device, one end of another limiting column (12-1) is bolted in the other opening (10-4), and the other end of the other limiting column (12-1) is bolted on the shell wall of the corresponding position of the lock shell (3).
5. A mechanical key interlock safety device as defined in claim 4, wherein: the arc included angle of the other opening (10-4) is 90 degrees.
6. A mechanical key interlock safety device as defined in claim 1, wherein: the lock rod (6) positioned between the flange (4-1) and the lock rod spring (7) is provided with an auxiliary key fixing seat (5).
7. A mechanical key interlock safety device as defined in claim 1, wherein: the outer wall of the spring pressing cap (8) is provided with a fin-shaped handle part (8-1).
8. A mechanical key interlock safety device as defined in claim 1, wherein: the end surface of the bolt pressure head (4) far away from the side of the auxiliary cylinder (10-1) is provided with a conical groove (4-3) along the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710727795.XA CN107386806B (en) | 2017-08-23 | 2017-08-23 | Safety device interlocked by mechanical key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710727795.XA CN107386806B (en) | 2017-08-23 | 2017-08-23 | Safety device interlocked by mechanical key |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107386806A CN107386806A (en) | 2017-11-24 |
| CN107386806B true CN107386806B (en) | 2022-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710727795.XA Active CN107386806B (en) | 2017-08-23 | 2017-08-23 | Safety device interlocked by mechanical key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107386806B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843147B (en) * | 2018-06-29 | 2023-10-31 | 左金连 | Safety anti-theft lock |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6666056B1 (en) * | 2002-09-10 | 2003-12-23 | The United States Of America As Represented By The Secretary Of The Navy | Internal locking device for use on magazine doors |
| CN2858888Y (en) * | 2006-02-10 | 2007-01-17 | 胡晓明 | Safety lock with double-bolt |
| CN2937383Y (en) * | 2006-08-04 | 2007-08-22 | 高炳荣 | Double-head conjoint lock |
| CN201280849Y (en) * | 2008-10-06 | 2009-07-29 | 李蔼炎 | Lock core type mechanical cipher master |
| CN203729678U (en) * | 2014-01-03 | 2014-07-23 | 珠海笨牛领先科技有限公司 | Novel electric door lock |
| CN207296639U (en) * | 2017-08-23 | 2018-05-01 | 上海云统信息科技有限公司 | A kind of safety device of mechanical key interlocking |
-
2017
- 2017-08-23 CN CN201710727795.XA patent/CN107386806B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6666056B1 (en) * | 2002-09-10 | 2003-12-23 | The United States Of America As Represented By The Secretary Of The Navy | Internal locking device for use on magazine doors |
| CN2858888Y (en) * | 2006-02-10 | 2007-01-17 | 胡晓明 | Safety lock with double-bolt |
| CN2937383Y (en) * | 2006-08-04 | 2007-08-22 | 高炳荣 | Double-head conjoint lock |
| CN201280849Y (en) * | 2008-10-06 | 2009-07-29 | 李蔼炎 | Lock core type mechanical cipher master |
| CN203729678U (en) * | 2014-01-03 | 2014-07-23 | 珠海笨牛领先科技有限公司 | Novel electric door lock |
| CN207296639U (en) * | 2017-08-23 | 2018-05-01 | 上海云统信息科技有限公司 | A kind of safety device of mechanical key interlocking |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107386806A (en) | 2017-11-24 |
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