CN111206827A

CN111206827A - Key capable of confirming state of safety catch of door lock

Info

Publication number: CN111206827A
Application number: CN202010056506.XA
Authority: CN
Inventors: 张北杏
Original assignee: 张北杏
Current assignee: Li Fangfang
Priority date: 2020-01-18
Filing date: 2020-01-18
Publication date: 2020-05-29
Anticipated expiration: 2040-01-18
Also published as: CN111206827B

Abstract

The invention relates to the technical field of keys and discloses a key capable of confirming the state of a safety catch of a door lock. The key capable of confirming the state of the safety bolt of the door lock is used by matching the key handle with the key rod, when the safety bolt is not confirmed to be locked, whether the safety bolt of the door lock is locked or not is confirmed by the state of the key handle and the key rod, the key is taken out, if the key handle and the key rod are in a vertical state, the safety bolt is already locked, if the key handle and the key rod are in a parallel state, the safety bolt is not locked, and the operation process is not different from the ordinary door locking step.

Description

Key capable of confirming state of safety catch of door lock

Technical Field

The invention relates to the technical field of keys, in particular to a key capable of confirming the state of a safety catch of a door lock.

Background

In daily life, people always have the feeling that a safety lock is not locked at home after going out, and whether a safety bolt is locked at a door cannot be confirmed after going out, so that the people are always in an anxiety state, and some people may return home again to confirm whether the safety bolt is locked, which causes time waste.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the key capable of confirming the state of the safety bolt of the door lock, which has the advantage of confirming the state of the safety bolt of the door lock and solves the problem that the state of the safety bolt of the door lock cannot be confirmed.

(II) technical scheme

In order to achieve the purpose of confirming the state of the safety bolt of the door lock, the invention provides the following technical scheme: a key capable of confirming the state of a safety catch of a door lock comprises a key handle, a first movable groove, a second movable groove, a first spring, a pressing block, a push rod, a third movable groove, a second spring, a clamping rod, a fourth movable groove, a rotating rod, a ring groove, a clamping rod and a key rod, wherein the first movable groove is formed in the top of the key handle, the second movable groove which penetrates through the bottom of the first movable groove and extends to the middle of the key handle is formed in the middle of the key handle, the first spring is fixedly connected to the inner bottom wall of the first movable groove, the pressing block which is movably connected with the first movable groove is fixedly connected to the top of the first spring, the push rod which is connected with the second movable groove in an inserting mode is fixedly connected to the bottom of the pressing block, the third movable groove is formed in the top and the middle of the left side of the key handle, the second spring is fixedly connected to the inner side wall of the third movable groove, the clamping rod which is connected with, the middle part of the key handle is movably connected with a rotating rod which is rotatably connected with the movable groove IV, the middle part of the rotating rod is provided with an annular groove, the back surface of the annular groove is provided with a clamping groove, the middle part of the key handle is fixedly connected with a clamping rod which is clamped with the annular groove, and the left side of the rotating rod is fixedly connected with a key rod.

The invention judges whether the safety catch is locked or not by simply and visually observing the positions of the key handle and the key rod, solves the defect that the state of the safety catch of the door lock cannot be determined originally, has smaller clamping rod on the left side of the key handle, can push the clamping rod into the key handle by the side of the lock hole only when a key is inserted into the lock hole, and cannot determine the state of the safety catch of the door lock because the key handle and the key rod rotate when the key is placed in a pocket.

Preferably, the shape of the key handle is cuboid, the material of the key handle is plastic material, and the key handle can rotate 90 degrees to the right.

Preferably, the size of the first movable groove is not smaller than that of the pressing block, the top of the first movable groove is fixedly connected with a limiting block, the second movable groove is cylindrical, and the diameter of the second movable groove is not smaller than that of the ejector rod.

Preferably, the first spring is in an unfolded state in a normal state and the number of the first springs is two, the first spring is in a disc shape according to the shape of the block, and the first spring is in an ejecting state in the normal state.

Preferably, the number of the clamping rods is two, the clamping rod at the top of the left side of the key handle is in an extending state under a normal state, and the other ejector rod is in a compressing state under a normal state.

Preferably, the shape of bull stick is cylindric and the right side fixedly connected with spacing dish of bull stick, and the size of activity groove four is not less than the size of bull stick.

Preferably, the shape of the ring groove is a quarter of a circle, the width of the ring groove is not smaller than that of the ejector rod, and the width of the clamping groove is not smaller than that of the ejector rod.

(III) advantageous effects

Compared with the prior art, the invention provides a key capable of confirming the state of a safety bolt of a door lock, which has the following beneficial effects: the key capable of confirming the state of the safety bolt of the door lock is used by matching the key handle with the key rod, when the safety bolt is not confirmed to be locked, whether the safety bolt of the door lock is locked or not is confirmed by the state of the key handle and the key rod, the key is taken out, if the key handle and the key rod are in a vertical state, the safety bolt is already locked, if the key handle and the key rod are in a parallel state, the safety bolt is not locked, and the operation process is not different from the ordinary door locking step.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view taken along the line A-A of FIG. 1 according to the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

FIG. 4 is a schematic view of the clamping rod of the present invention.

In the figure: 1 key handle, 2 activity groove one, 3 activity groove two, 4 spring one, 5 according to piece, 6 ejector pins, 7 activity groove three, 8 spring two, 9 kellies, 10 activity groove four, 11 bull sticks, 12 annular, 13 draw-in grooves, 14 fixture blocks, 15 key levers.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a key for confirming the state of a safety catch of a door lock comprises a key handle 1, a first movable groove 2, a second movable groove 3, a first spring 4, a pressing block 5, a top rod 6, a third movable groove 7, a second spring 8, a clamping rod 9, a fourth movable groove 10, a rotating rod 11, a ring groove 12, a clamping groove 13, a clamping block 14 and a key rod 15, wherein the key handle 1 is cuboid and is made of a plastic material, the key handle 1 can rotate rightwards for 90 degrees, the top of the key handle 1 is provided with the first movable groove 2, the first movable groove 2 plays a role in facilitating the up-and-down movement of the pressing block 5, the size of the first movable groove 2 is not smaller than the size of the pressing block 5, the top of the first movable groove 2 is fixedly connected with a limiting block, the second movable groove 3 is cylindrical and is not smaller than the diameter of the top rod 6, the middle part of the key handle 1 is provided with the second movable groove 3 penetrating through the bottom of the first movable groove 2 and extending to the middle part, the movable groove II 3 plays a role in facilitating the up-and-down movement of the ejector rod 6, the inner bottom wall of the movable groove I2 is fixedly connected with a spring I4, the spring I4 is a compression spring, the spring I4 plays a role in enabling the pressing block 5 to keep a popup state under the condition of no stress, the spring I4 is in an unfolding state under a normal state, the number of the spring I4 is two, the pressing block 5 is in a disc shape, the pressing block 5 is in an ejecting state under the normal state, the top of the spring I4 is fixedly connected with the pressing block 5 movably connected with the movable groove I2, the bottom of the pressing block 5 is fixedly connected with the ejector rod 6 inserted with the movable groove II 3, the bottom of the ejector rod 6 is in an arc shape and is the same as the curved surface of the annular groove 12, the top and the middle of the left side of the key handle 1 are both provided with a movable groove III 7, the right inner side wall of the movable groove III 7 is, the left side of the spring II 8 is fixedly connected with two clamping rods 9 which are sleeved with the movable groove III 7, the number of the clamping rods 9 is two, the clamping rod 9 at the top of the left side of the key handle 1 is in an extending state under a normal state, the other ejector rod 9 is in a compressing state under a normal state, the middle part of the key handle 1 is provided with a movable groove IV 10 which penetrates through and extends to the left side of the key handle 1, the movable groove IV 10 plays a role of facilitating the rotation of the rotating rod 11 in the middle part of the key handle 1, the middle part of the key handle 1 is movably connected with a rotating rod 11 which is rotatably connected with the movable groove IV 10, the rotating rod 11 is cylindrical, the right side of the rotating rod 11 is fixedly connected with a limiting disc, the size of the movable groove IV 10 is not smaller than that of the rotating rod 11, the middle part of the rotating rod 11 is provided with a ring groove 12, the ring groove 12 is three-quarters of a circle, the width, the back of the ring groove 12 is provided with a clamping groove 13, the middle part of the key handle 1 is fixedly connected with a clamping block 14 clamped with the ring groove 12, the left side of the rotating rod 11 is fixedly connected with a key rod 15, and the surface of the key rod 15 is provided with a groove matched with the lock.

The invention judges whether the safety catch is locked or not by simply and visually observing the positions of the key handle 1 and the key rod 15, solves the defect that the state of the safety catch of the door lock cannot be determined originally, and the clamping rod 9 on the left side of the key handle 1 is small, so that the clamping rod 9 can be pushed into the key handle 1 by the side of the lock hole only when the key is inserted into the lock hole, and when the key is placed in a pocket, the situation that the state of the safety catch of the door lock cannot be determined because the key handle 1 and the key rod 15 rotate is avoided.

The working principle is as follows: in the initial state, the key handle 1 and the key rod 15 are in a horizontal state, when the door is closed, the key rod 15 is inserted into the lock hole, the clamping rod 9 at the top is pushed into the key handle 1 by the edge of the lock hole, at the moment, the key handle 1 can rotate, the key handle 1 is rotated, the pressing block 5 is not pressed, the safety catch is locked, when the key handle 1 and the key rod 15 are rotated to the bottom, the clamping rod 9 at the middle is rotated to the top, the clamping rod 9 at the top is rotated to the middle, at the moment, the pressing block 5 is pressed again, the ejector rod 6 is clamped into the clamping groove 13, the key handle 1 drives the key rod 15 to rotate together, the key handle 1 and the key rod 15 are prevented from rotating, a key is extracted, the clamping rod 9 rotated to the top is popped up under the action of the second spring 8, the key handle 1 and the key rod 15 are relatively fixed and kept in a mutually vertical state, when whether the safety catch is locked or not determined, if the key handle 1 and the key rod 15 are in a vertical state, the safety catch is locked, if the key handle 1 and the key rod 15 are in a parallel state, the safety catch is unlocked, the safety catch is simple and intuitive, when the door is opened, a key is inserted into a lock hole, the edge of the lock hole of the clamping rod 9 at the top is pushed into the key handle 1, the key is rotated towards the opposite direction of the door closing direction, the pressing block 5 is not pressed in the rotating process, the clamping rod 9 at the top is rotated to the middle part, the clamping rod 9 at the middle part is rotated to the top part, due to the action of the clamping block 14, the key handle 1 can be rotated 90 degrees back and forth, in the process of rotating the key by opening the door, the key handle 1 and the key rod 15 can be rotated back to the horizontal state from the vertical state to each other, the key is pulled out, the clamping rod 9 rotated to the top is ejected under the action of the spring II 8, so that the key handle 1 and the key rod, the steps can be repeated for repeated use.

In summary, the key capable of confirming the state of the door lock safety bolt is used by matching the key handle 1 with the key rod 15, when the safety bolt is not confirmed to be locked, whether the door lock safety bolt is locked or not is confirmed by the states of the key handle 1 and the key rod 15, the key is taken out, if the key handle 1 and the key rod 15 are in the vertical state, the safety bolt is locked, if the key handle 1 and the key rod 15 are in the parallel state, the safety bolt is not locked, and the operation process is not different from the ordinary door locking steps, so that the method is simple and intuitive, and the effect of confirming the state of the door lock safety bolt is achieved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A key for confirming the state of a safety catch of a door lock, comprising a key handle (1), characterized in that: the novel key handle is characterized by further comprising a first movable groove (2), a second movable groove (3), a first spring (4), a pressing block (5), a push rod (6), a third movable groove (7), a second spring (8), a clamping rod (9), a fourth movable groove (10), a rotating rod (11), an annular groove (12), a clamping groove (13), a clamping block (14) and a key rod (15), wherein the first movable groove (2) is formed in the top of the key handle (1), the second movable groove (3) which penetrates through the bottom of the first movable groove (2) and extends to the middle of the key handle (1) is formed in the middle of the key handle (1), the first spring (4) is fixedly connected to the inner bottom wall of the first movable groove (2), the pressing block (5) which is movably connected with the first movable groove (2) is fixedly connected to the top of the first spring (4), the push rod (6) which is connected with the second movable groove (3) in an inserting mode is fixedly connected to the bottom of the pressing block (5), and the third movable, the right inner side wall of the third movable groove (7) is fixedly connected with a second spring (8), the left side of the second spring (8) is fixedly connected with a clamping rod (9) which is sleeved with the third movable groove (7), the middle of the key handle (1) is provided with a fourth movable groove (10) which runs through and extends to the left side of the key handle (1), the middle of the key handle (1) is movably connected with a rotating rod (11) which is rotatably connected with the fourth movable groove (10), the middle of the rotating rod (11) is provided with an annular groove (12), the back of the annular groove (12) is provided with a clamping groove (13), the middle of the key handle (1) is fixedly connected with a clamping block (14) which is clamped with the annular groove (12), and the left side of the rotating rod (11).

2. A key for confirming the state of a safety bolt of a door lock according to claim 1, wherein: the shape of key handle (1) is the cuboid and the material of key handle (1) is the plastic material, and key handle (1) can rotate 90 degrees right.

3. A key for confirming the state of a safety bolt of a door lock according to claim 1, wherein: the size of the first movable groove (2) is not smaller than that of the pressing block (5), the top of the first movable groove (2) is fixedly connected with a limiting block, the second movable groove (3) is cylindrical, and the diameter of the second movable groove (3) is not smaller than that of the ejector rod (6).

4. A key for confirming the state of a safety bolt of a door lock according to claim 1, wherein: the first springs (4) are in an unfolded state in a normal state, the number of the first springs (4) is two, the pressing blocks (5) are disc-shaped, and the pressing blocks (5) are in an ejection state in the normal state.

5. A key for confirming the state of a safety bolt of a door lock according to claim 1, wherein: the number of the clamping rods (9) is two, the clamping rods (9) at the top of the left side of the key handle (1) are in an extending state in a normal state, and the other ejector rod (9) is in a compressing state in a normal state.