CN206519888U

CN206519888U - A kind of screwdriver that may be used as emergency key opening door lock

Info

Publication number: CN206519888U
Application number: CN201720175512.0U
Authority: CN
Inventors: 周小寒
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-02-25
Filing date: 2017-02-25
Publication date: 2017-09-26
Anticipated expiration: 2027-02-25

Abstract

The utility model discloses a kind of screwdriver that may be used as emergency key opening door lock, including screwdriver handle, the first screwdriver bit, the second screwdriver bit and the 3rd screwdriver bit；The rear end of first screwdriver bit, the second screwdriver bit and the 3rd screwdriver bit is adapted to grafting with screwdriver handle respectively；The front end of first screwdriver bit is cambered surface plectrum structure, and the width of cambered surface plectrum structure is more than the width of the first screwdriver bit, and cambered surface plectrum structure is structure as a whole with the first screwdriver bit；The front end of second screwdriver bit is sickle shaped plectrum structure, and sickle shaped plectrum structure is globoidal structure and to be structure as a whole with the second screwdriver bit；The front end of 3rd screwdriver bit is hook-shaped plectrum structure, and hook-shaped plectrum structure is generally aligned in the same plane interior and is structure as a whole with the 3rd screwdriver bit.The utility model is a kind of emergency key easy to use, and the bedroom door that is particularly suitable for use in, the unlatching of wood door lock can replace original-pack key, also replaceable screwdriver bit makees screwdriver and used, multi-functional, portable simple, easy to use, the professional and qualification to user is not required.

Description

A kind of screwdriver that may be used as emergency key opening door lock

Technical field

The utility model is related to a kind of screwdriver, more particularly to a kind of screw that may be used as emergency key opening door lock Knife.

Background technology

In order to play a part of antitheft and protection privacy, most door is designed with safety lock when installing, if forgetting Note band key, door can not be opened, it is necessary to ask locksmith to unlock；At present, the unlocking tool that locksmith uses is more complicated, to locksmith's Professional and technology qualification has higher requirement, otherwise may damage door lock or can not open lock core.

Utility model content

The purpose of this utility model：There is provided a kind of screwdriver that may be used as emergency key opening door lock, it is only necessary to screw The subsidiary screwdriver bit insertion lock core of knife, directly rotation can directly open lock core.

To achieve these goals, the technical solution of the utility model is：

A kind of screwdriver that may be used as emergency key opening door lock, including screwdriver handle, the first screwdriver bit, the second screwdriver bit and 3rd screwdriver bit；The rear end of described the first screwdriver bit, the second screwdriver bit and the 3rd screwdriver bit is adapted to grafting with described screwdriver handle respectively； The front end of the first described screwdriver bit is cambered surface plectrum structure, and the width of described cambered surface plectrum structure is more than described first The width of head, described cambered surface plectrum structure is structure as a whole with the first described screwdriver bit；The front end of the second described screwdriver bit is Sickle shaped plectrum structure, and described sickle shaped plectrum structure is structure as a whole for globoidal structure and with the second described screwdriver bit； The front end of the 3rd described screwdriver bit is hook-shaped plectrum structure, and described hook-shaped plectrum structure is located at same with the 3rd described screwdriver bit Plane is interior and is structure as a whole.

The above-mentioned screwdriver that may be used as emergency key opening door lock, wherein, the front portion of the first described screwdriver bit is slope Shape structure, the nose thickness of described ramp shaped structure is less than rear end thickness, and described ramp shaped structure and described cambered surface plectrum Structural transition is connected.

The above-mentioned screwdriver that may be used as emergency key opening door lock, wherein, the corner of described cambered surface plectrum structure Locate as fillet structure.

The above-mentioned screwdriver that may be used as emergency key opening door lock, wherein, described the first screwdriver bit, the second screwdriver bit and The rear end of 3rd screwdriver bit fixation is tightened by self-clinching fastener and described screwdriver handle.

The utility model is a kind of emergency key easy to use, and the bedroom door that is particularly suitable for use in, the unlatching of wood door lock can Instead of original-pack key, also replaceable screwdriver bit makees screwdriver and used, multi-functional, portable simple, it is easy to use, to the specialty of user Property and qualification are not required.

Brief description of the drawings

Fig. 1 is the main view that a kind of screwdriver that may be used as emergency key opening door lock of the utility model installs the first screwdriver bit Figure.

Fig. 2 is a kind of side view of first screwdriver bit of the screwdriver that may be used as emergency key opening door lock of the utility model Figure.

Fig. 3 is a kind of main view of second screwdriver bit of the screwdriver that may be used as emergency key opening door lock of the utility model Figure.

Fig. 4 is a kind of main view of 3rd screwdriver bit of the screwdriver that may be used as emergency key opening door lock of the utility model Figure.

Embodiment

Embodiment of the present utility model is further illustrated below in conjunction with accompanying drawing.

Refer to shown in accompanying drawing 1 to accompanying drawing 4, a kind of screwdriver that may be used as emergency key opening door lock, including screw Handle of a knife 1, the first screwdriver bit 2, the second screwdriver bit 3 and the 3rd screwdriver bit 4；After described the first screwdriver bit 2, the second screwdriver bit 3 and the 3rd screwdriver bit 4 End is adapted to grafting with described screwdriver handle 1 respectively；The front end of the first described screwdriver bit 2 is cambered surface plectrum structure 21, and described The width of cambered surface plectrum structure 21 be more than the width of the first described screwdriver bit 2, described cambered surface plectrum structure 21 with it is described First screwdriver bit 2 is structure as a whole；The front end of the second described screwdriver bit 3 is sickle shaped plectrum structure 31, and described sickle shaped is dialled Chip architecture 31 is globoidal structure and is structure as a whole with the second described screwdriver bit 3；The front end of the 3rd described screwdriver bit 4 is hook-shaped group Chip architecture 41, described hook-shaped plectrum structure 41 is generally aligned in the same plane interior and is structure as a whole with the 3rd described screwdriver bit 4.

The front portion of the first described screwdriver bit 2 is ramp shaped structure 22, and the nose thickness of described ramp shaped structure 22 is less than rear end Thickness, and described ramp shaped structure 22 is connected with the described transition of cambered surface plectrum structure 21.Ramp shaped structure 22 depresses lock core list So that the first screwdriver bit 2 is smoothly inserted inside lock core.

The edge of described cambered surface plectrum structure 21 is fillet structure.

The rear end of described the first screwdriver bit 2, the second screwdriver bit 3 and the 3rd screwdriver bit 4 passes through self-clinching fastener and described screwdriver Handle 1 tightens fixation.

In use, the cambered surface plectrum structure 21 of the first screwdriver bit 2 is used for withstanding the jump ring inside lock core and directly band movable lock core Plectrum, rear portion can be inserted directly into screwdriver handle 1, can tighten fixation with screwdriver self-clinching fastener, can be used to open internal band elasticity The spring lock of jump ring.

The sickle shaped plectrum structure 31 of the arc of second screwdriver bit 3 one letter lock core of convenient insertion, rear portion can be inserted directly into screw Handle of a knife 1, can tighten fixation with screwdriver self-clinching fastener.By the edge of a knife of sickle shaped plectrum structure 31 upward, using knife back handle as point From word spring lock central point insertion, center is kept, internal Clip Reed is held out against and directly drives plectrum rotation to open.

The size of the hook-shaped plectrum structure 41 of 3rd screwdriver bit 4 is pressed onto the lock core marble and is advisable that can visit, and coordinating can rotation lock The small pin for the case of core, lock core inner shrapnel is all visited be pressed onto the location of shell fragment, lock core when lock core is opened with hook-shaped plectrum structure 41 Rotatably open.

Other screwdriver bits, such as cross can be also equipped with, the conventional screwdriver bit such as word.

The utility model can be directed across the key pins in lock core, shell fragment, through lock core penetralia, direct revotating card Spring, drives plectrum, opens single head cylinder drawback lock.The utility model is broken the normal procedure, and crosses jump ring inside key directly band movable lock core Plectrum, also replaceable different screwdriver bit, which is visited, presses lock core shell fragment to imitate key flute profile opening lock master to correct position, can also do manual labour Conventional screwdriver is equipped with, and realizes multifunctional combination.

In description of the present utility model, it is to be understood that term " front end ", " width ", " rear end ", " front portion ", " interior Portion ", " thickness ", " rear portion ", " on ", " orientation or position relationship of the instruction such as " center " be based on orientation shown in the drawings or position Relation, is for only for ease of description the utility model and simplifies description, rather than indicate or imply that the device or element of meaning must There must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.

In addition, term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying phase To importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second ", " the 3rd " are defined At least one this feature can be expressed or be implicitly included to feature.

In the utility model, unless otherwise clearly defined and limited, term " grafting ", " insertion ", " connection ", " Gu Calmly ", the term such as " tightening " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally； Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, can be with It is connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For this area For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.

In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " can be First and second features are directly contacted, or the first and second features pass through intermediary mediate contact.

In summary, the utility model is a kind of emergency key easy to use, the bedroom door that is particularly suitable for use in, wood door lock Unlatching, original-pack key can be replaced, also replaceable screwdriver bit makees screwdriver and used, multi-functional, portable simple, it is easy to use, to making The professional and qualification of user is not required.

Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, The equivalent structure transformation that every utilization the utility model description is made, or it is directly or indirectly related with other are attached to The technical field of product, is similarly included in scope of patent protection of the present utility model.

Claims

1. a kind of screwdriver that may be used as emergency key opening door lock, it is characterised in that：Including screwdriver handle, the first screwdriver bit, Second screwdriver bit and the 3rd screwdriver bit；The rear end of described the first screwdriver bit, the second screwdriver bit and the 3rd screwdriver bit respectively with described screwdriver Handle is adapted to grafting；The front end of the first described screwdriver bit is cambered surface plectrum structure, and the width of described cambered surface plectrum structure is more than The width of the first described screwdriver bit, described cambered surface plectrum structure is structure as a whole with the first described screwdriver bit；Described second The front end of screwdriver bit is sickle shaped plectrum structure, and described sickle shaped plectrum structure for globoidal structure and with the second described screwdriver bit It is structure as a whole；The front end of the 3rd described screwdriver bit is hook-shaped plectrum structure, described hook-shaped plectrum structure and the described the 3rd Screwdriver bit is generally aligned in the same plane interior and is structure as a whole.

2. the screwdriver according to claim 1 that may be used as emergency key opening door lock, it is characterised in that：Described The front portion of one screwdriver bit is ramp shaped structure, and the nose thickness of described ramp shaped structure is less than rear end thickness, and described ramp shaped structure It is connected with described cambered surface plectrum structural transition.

3. the screwdriver according to claim 2 that may be used as emergency key opening door lock, it is characterised in that：Described arc The edge of face plectrum structure is fillet structure.

4. the screwdriver according to claim 1 that may be used as emergency key opening door lock, it is characterised in that：Described The rear end of one screwdriver bit, the second screwdriver bit and the 3rd screwdriver bit fixation is tightened by self-clinching fastener and described screwdriver handle.