CN211258103U

CN211258103U - Key capable of preventing forgetting to pull out

Info

Publication number: CN211258103U
Application number: CN201922031809.1U
Authority: CN
Inventors: 吴琅先
Original assignee: Yiwu Sumin Lock Industry Co ltd
Current assignee: Yiwu Sumin Lock Industry Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-08-14
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses a prevent forgetting key of pulling out, its technical scheme main points are: a key capable of preventing forgetting to pull out comprises a key rod and a key handle, wherein an elastic piece is arranged on the key handle, the key rod penetrates through the elastic piece, a protective cover is movably connected onto the key handle, a sucker is arranged at one end, far away from the key handle, of the protective cover, a first abutting plate is arranged on the protective cover, a second abutting plate is arranged on the key handle, a torsion spring is arranged on the key handle, and two ends of the torsion spring abut against the first abutting plate and the second abutting plate respectively. The utility model discloses a prevent forgetting key of pulling out forgets the back of pulling out the key, and the key can rotate back initial position by oneself and pop out to play the warning effect.

Description

Key capable of preventing forgetting to pull out

Technical Field

The utility model relates to a key field, more specifically say, it relates to a prevent forgetting key of pulling out.

Background

The key is a common unlocking tool in people's life, and the material for making the key mainly comprises copper, zinc, aluminum, iron and other metals. In daily life, people often forget to pull out a key after unlocking the lock with the key.

In order to solve the above problems, the chinese patent publication No. CN202164876U discloses an anti-forgetting key, which comprises a key body and a spring, wherein the upper end of a key rod of the key body is made into a cylindrical shape, and the spring is installed through a pin. However, in real life, the key needs to be rotated after being inserted into the keyhole to unlock the lock, and the key cannot be ejected out under the elastic action of the spring when the key is not rotated back to the initial position.

A new solution is therefore proposed to solve this problem.

SUMMERY OF THE UTILITY MODEL

To prior art existence in the actual life, need rotate after inserting the lockhole with the key and just can open the lock, and the key can't pop out not enough under the elastic action of spring when not turning back initial position with the key, the utility model aims to provide a forget the back of extracting the key, the key can rotate back initial position by oneself and pop out to play the key of preventing forgetting to extract the effect of reminding.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a prevent forgetting key of pulling out, includes key pole, key handle, be equipped with the elastic component on the key handle, the key pole runs through the elastic component, swing joint has the safety cover on the key handle, the one end of keeping away from the key handle on the safety cover is equipped with the sucking disc, be equipped with first butt plate on the safety cover, be equipped with the second butt plate on the key handle, be equipped with the torsional spring on the key handle, the both ends of torsional spring offset with first butt plate, second butt plate respectively.

By adopting the technical scheme, the key comprises a key rod for unlocking and a key handle convenient for rotating the key rod, wherein the key handle is provided with an elastic piece, the key rod penetrates through the elastic piece, and when the key rod is inserted into a lock hole, the elastic piece is pressed to generate elastic deformation; the key handle is movably connected with a protective cover, one end of the protective cover, which is far away from the key handle, is provided with a sucker, and when the key rod is inserted into the lock hole, the sucker is sucked on the lock; the protective cover is provided with a first abutting plate, the key handle is provided with a second abutting plate, the key handle is provided with a torsion spring, two ends of the torsion spring abut against the first abutting plate and the second abutting plate respectively, and when the key rod is inserted into the lock hole and the key handle is rotated to unlock the lock, the first abutting plate and the second abutting plate are close to each other at the moment so that two ends of the torsion spring are close to each other to generate torsion; when the key is forgotten to be pulled out, the key handle drives the key rod to rotate under the action of the torsion force of the torsion spring, and the key rod is separated from the lock hole and falls on the ground under the action of the elastic piece, so that the generated sound plays a role in reminding.

The utility model discloses further set up to: the protective cover is provided with a cavity for accommodating the key handle and the key rod, one end of the key rod, which is close to the key handle, is provided with a first fixing piece which is abutted against the elastic piece, and the first abutting plate and the second abutting plate do not interfere with the movement of the first fixing piece.

Through adopting above-mentioned technical scheme, be equipped with the cavity that holds key handle, key pole on the guard shield, adopt built-in mode messenger such as key pole, key handle, torsional spring can not influence the state of torsional spring, the one end that is close to the key handle on the key pole is equipped with the first mounting that offsets with the elastic component and makes the elastic component can not produce the interference with the torsional spring, and through the design to the size of first mounting messenger when the key pole removes in the guard shield first support board, second support board can not produce the interference to first mounting.

The utility model discloses further set up to: one end of the key handle, which is close to the key rod, is provided with a second fixing piece attached to the inner wall of the protective cover, the second fixing piece is fixedly connected with the second abutting plate, and a cylinder fixedly connected with the torsion spring is arranged between the first fixing piece and the second fixing piece.

Through adopting above-mentioned technical scheme, the one end that is close to the key rod on the key handle is equipped with the second mounting with the laminating of safety cover inner wall, makes key handle, key rod can keep steady in the safety cover, and second mounting and second support board fixed connection make can make the key handle take place to rotate under the torsional force of torsional spring, is equipped with the cylinder between first mounting, second mounting and is used for installing the torsional spring.

The utility model discloses further set up to: the first abutting plate, the second abutting plate, the key handle, the first fixing piece and the second fixing piece are all made of alloy containing copper, iron and zinc.

Through adopting above-mentioned technical scheme, first board, second are supported board, key handle, first mounting, second mounting all adopt the alloy that contains copper, iron, zinc to make, and this kind of alloy is the material of preparation key pole simultaneously, and the raw materials is abundant conveniently takes, makes above mechanism have higher intensity simultaneously, and durable can send comparatively crisp sound in order to arouse the people's of unblanking attention when the key handle drops on the ground simultaneously.

The utility model discloses further set up to: the side wall of the second fixing piece and the inner wall of the protection cover are both processed through polishing.

Through adopting above-mentioned technical scheme, the lateral wall of second mounting all passes through polishing treatment with the inner wall of safety cover, makes the second mounting can smooth and easy slip under the effect of elastic component, can not receive the hindrance of burr etc. and make key handle, key-lever etc. can't drop on the ground and play the effect of reminding.

The utility model discloses further set up to: and a cover body is clamped at one end of the protective cover close to the key handle.

Through adopting above-mentioned technical scheme, the one end joint that is close to the key handle on the safety cover has the lid, makes key handle, key pole etc. can not break away from in the safety cover when not using the key.

The utility model discloses further set up to: and a rubber layer is arranged at one end of the key handle, which is far away from the key rod.

Through adopting above-mentioned technical scheme, be equipped with the rubber layer in the one end of keeping away from the key pole on the key, make can keep the travelling comfort of feeling when pressing key handle and inserting the key pole into the lockhole.

The utility model discloses further set up to: the sucker is provided with an annular groove and is made of a silica gel material.

Through adopting above-mentioned technical scheme, be equipped with annular recess on the sucking disc, and the sucking disc adopts silica gel material to make, makes can adsorb the safety cover on the lock with the air escape in the recess when pressing the safety cover on the lock.

To sum up, the utility model discloses following beneficial effect has:

1. through setting up safety cover, first butt board, second butt board, torsional spring, sucking disc, make the safety cover fix on the lock under the effect of sucking disc, make when will forget to extract the key, the key handle can drive the key pole and take place the gyration under the effect of the torsional force of torsional spring to make the key pole break away from the lockhole and fall on the ground under the effect of elastic component, make the sound that produces play the effect of reminding.

2. The first abutting plate, the second abutting plate, the key handle, the first fixing piece and the second fixing piece are all made of alloy containing copper, iron and zinc, the alloy is made of materials for manufacturing the key rod, raw materials are rich and convenient to take, the mechanism has high strength and durability, and meanwhile the key handle can make crisp sound to attract attention of an unlocking person when falling on the ground.

Drawings

Fig. 1 is a schematic structural diagram of an anti-forgetting key, which is used for embodying the overall structural design;

fig. 2 is a cross-sectional view of a key for preventing forgetting to pull out, which is used for embodying the structural design of the inside of a protective cover;

fig. 3 is a schematic structural diagram of a key capable of preventing forgetting to pull out, which is used for embodying structural design on a key handle and a key rod.

In the figure: 1. a key handle; 2. a protective cover; 3. a key lever; 4. an elastic member; 5. a cover body; 6. a cavity; 7. a second resisting plate; 8. a torsion spring; 9. a first fixing member; 10. a suction cup; 11. a groove; 12. a first resisting plate; 13. a second fixing member; 14. a rubber layer; 15. a column.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A key for preventing forgetting to pull out is disclosed, as shown in fig. 1, fig. 2 and fig. 3, and comprises a protective cover 2, a cavity 6 is arranged in the protective cover 2, a second fixing piece 13 attached to the inner wall of the protective cover 2 is arranged in the protective cover 2, and the side wall of the second fixing piece 13 and the inner wall of the protective cover 2 are both polished, so that the movement of the second fixing piece 13 is not influenced by the obstruction of burrs and the like; a key handle 1 is arranged on the second fixing piece 13, a cylinder 15 is arranged at one end of the key handle 1, which is far away from the key handle 1, a first fixing piece 9 is arranged at one end of the cylinder 15, which is far away from the second fixing piece 13, a key rod 3 is arranged at one end of the first fixing piece 9, which is far away from the cylinder 15, an elastic piece 4 is arranged on the first fixing piece 9, and the key rod 3 penetrates through the elastic piece 4; a sucker 10 is arranged at one end, far away from the key handle 1, of the protective cover 2, an annular groove 11 is formed in the sucker 10, and the sucker 10 is made of silica gel materials, so that air in the groove 11 can be discharged when the protective cover 2 is pressed on the lock, and the protective cover 2 is adsorbed on the lock; the protective cover 2 is provided with a first abutting plate 12, the key handle 1 is provided with a second abutting plate 7, the key handle 1 is provided with a torsion spring 8, and two ends of the torsion spring 8 abut against the first abutting plate 12 and the second abutting plate 7 respectively.

A cover body 5 is clamped at one end of the protective cover 2 close to the key handle 1, so that the key handle 1, the key rod 3 and the like can not be separated from the protective cover 2 when a key is not used; a rubber layer 14 is arranged at one end of the key, which is far away from the key rod 3, so that the key can keep comfortable hand feeling when the key handle 1 is pressed to insert the key rod 3 into a lock hole; the first abutting plate 12, the second abutting plate 7, the key handle 1, the first fixing piece 9 and the second fixing piece 13 are all made of alloy containing copper, iron and zinc, the alloy is made of materials for manufacturing the key rod 3, raw materials are rich and convenient to take, meanwhile, the mechanism has high strength and durability, and meanwhile, the key handle 1 can make crisp sound to draw attention of an unlocking person when falling on the ground.

When the lock needs to be unlocked, the cover body 5 is taken down, the key rod 3 is aligned to the lock hole, the key rod 3 is inserted into the lock hole through the pressing rubber layer 14, the protective cover 2 can be pressed simultaneously under the interference action of the first abutting plate 12 and the second fixing piece 13 on the protective cover 2, the protective cover 2 is adsorbed on the lock through the sucking disc 10, the key handle 1 is rotated to drive the key rod 3 to rotate for unlocking, and meanwhile, the second abutting plate 7 is driven to approach the first abutting plate 12 to enable the two ends of the torsion spring 8 to approach each other to generate torsion; when the key is forgotten to be pulled out, the protective cover 2 is adsorbed on the lock, so that the key handle 1 can drive the key rod 3 to rotate under the action of the torsional force of the torsional spring 8, and the key rod 3 is separated from the lock hole and falls on the ground under the action of the elastic piece 4, so that the generated sound plays a role in reminding.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a prevent key of forgetting to pull out, includes key pole (3), key handle (1), be equipped with elastic component (4) on key handle (1), elastic component (4), its characterized in that are run through in key pole (3): swing joint has safety cover (2) on key handle (1), the one end of keeping away from key handle (1) on safety cover (2) is equipped with sucking disc (10), be equipped with first butt board (12) on safety cover (2), be equipped with the second on key handle (1) and butt board (7), be equipped with torsional spring (8) on key handle (1), the both ends of torsional spring (8) offset with first butt board (12), second butt board (7) respectively.

2. An anti-forgetting key according to claim 1, characterized in that: be equipped with on safety cover (2) and be used for holding cavity (6) of key handle (1), key pole (3), the one end that is close to key handle (1) on key pole (3) is equipped with first mounting (9) that offsets with elastic component (4), first butt board (12), second butt board (7) do not interfere the removal of first mounting (9).

3. An anti-forgetting key according to claim 2, characterized in that: one end of the key handle (1) close to the key rod (3) is provided with a second fixing piece (13) attached to the inner wall of the protective cover (2), the second fixing piece (13) is fixedly connected with the second abutting plate (7), and a cylinder (15) fixedly connected with the torsion spring (8) is arranged between the first fixing piece (9) and the second fixing piece (13).

4. An anti-forgetting key according to claim 3, characterized in that: the first abutting plate (12), the second abutting plate (7), the key handle (1), the first fixing piece (9) and the second fixing piece (13) are all made of alloy containing copper, iron and zinc.

5. An anti-forgetting key according to claim 3, characterized in that: the side wall of the second fixing piece (13) and the inner wall of the protective cover (2) are both processed through polishing.

6. An anti-forgetting key according to claim 1, characterized in that: a cover body (5) is clamped at one end, close to the key handle (1), of the protective cover (2).

7. An anti-forgetting key according to claim 1, characterized in that: a rubber layer (14) is arranged at one end of the key handle (1) far away from the key rod (3).

8. An anti-forgetting key according to claim 1, characterized in that: the novel sucker is characterized in that an annular groove (11) is formed in the sucker (10), and the sucker (10) is made of a silica gel material.