CN209281337U - A kind of expandable and contractible keyboard - Google Patents

Abstract

The utility model discloses a kind of expandable and contractible keyboards, belong to computer equipment field.A kind of expandable and contractible keyboard, including the first keyboard body, the second keyboard body, third keyboard body, inner wall slidably connects sliding axle on the right side of second keyboard body, the first spring is socketed on sliding axle, second keyboard body internal slide is connected with first connecting rod, the right end of first connecting rod is fixedly connected with the first pressing plate, and the left end of first connecting rod is connected with latch corresponding with tooth socket by pin shaft；The right end of third keyboard body is connected with air bag, air bag is connected with piston/cylinder by sealing pipeline, piston is slidably connected in piston/cylinder, piston right end is fixedly connected with gag lever post, third spring is socketed on gag lever post, piston/cylinder roof is connected with gas bleeder valve, and gas bleeder valve is connected with discouraged button by second connecting rod；This device can be folded twice, greatly save space when carrying, and be easy to use.

Description

A kind of expandable and contractible keyboard

Technical field

The utility model relates to computer equipment technical field more particularly to a kind of expandable and contractible keyboards.

Background technique

Keyboard is the most common computer input device, it is widely used on microcomputer and various terminal equipment.

Computer operator inputs various instructions, data to computer by keyboard, directs the computer's work；Computer Operating condition be output to display, operator can be easily using keyboard and display and computer dialog, to program It modifies, edit, control and observe the operation of computer；The existing general length of keyboard is fixed, and general computor-keyboard is all It cannot be folded, occupied space when carrying, so needing a kind of expandable and contractible keyboard to solve the above problems.

Utility model content

Purpose of the utility model is to solve deficiencies in the prior art, and a kind of expandable and contractible keyboard proposed.

To achieve the goals above, the utility model adopts the technical scheme that

A kind of expandable and contractible keyboard, including the first keyboard body, the second keyboard body, third keyboard body, first key Disk ontology, the second keyboard body are respectively connected with keyboard on third keyboard body, and second keyboard body is closed by first Page is connected to the left end of the first keyboard body, and the third keyboard body is by the second hinge connection on the right side of the first keyboard body End, the second keyboard body right side inner wall slidably connect sliding axle, several tooth sockets, the cunning are offered on the sliding axle The first spring is socketed on moving axis, and the first both ends of the spring offsets respectively at sliding axle and the second keyboard body inner wall, it is described Second keyboard body internal slide is connected with first connecting rod, and the right end of the first connecting rod is fixedly connected with the first pressing plate, and institute State and be connected with second spring between the first pressing plate and the second keyboard body, the left end of the first connecting rod by pin shaft be connected with The corresponding latch of tooth socket；The right end of the third keyboard body is connected with air bag, and the air bag is connected with work by sealing pipeline Plug cylinder body, slidably connects piston in the piston/cylinder, and the piston right end is fixedly connected with gag lever post, on the gag lever post It is socketed with third spring, and its both ends is connected with piston/cylinder inner wall and piston respectively, the piston/cylinder roof is connected with Gas bleeder valve, the gas bleeder valve are connected with discouraged button by second connecting rod, are connected with the 4th spring in the discouraged button.

Preferably, the left end of second keyboard body offers the first groove corresponding with gag lever post, and keyboard is facilitated to exist Clamping when packing up between third keyboard body and the second keyboard body.

Preferably, first keyboard body both ends are opened up there are two the second groove corresponding with sliding axle, in keyboard exhibition Keyboard clamping is made by the groove at the first keyboard body both ends when opening use.

Preferably, second keyboard body, third keyboard body bottom are separately connected supporting leg, prop up keyboard, side Just it uses.

Preferably, second keyboard body and third keyboard body are connected with knob, and the knob is fixed with sliding axle It is connected, slides sliding axle by knob, to release locking.

Compared with prior art, the utility model provides a kind of expandable and contractible keyboard, have it is following the utility model has the advantages that

(1) expandable and contractible keyboard, by folding the second keyboard body, when touching the first keyboard body, by the The pushing of one pressing plate makes first connecting rod that latch be driven to lift, so that the first spring makes sliding axle insertion the under the action of elastic force Two grooves play locking effect, and third keyboard body is same as above, and slide rotation axis to the left by knob when packing up, make the first key Disk ontology is separated with the second keyboard body, and second spring slides first connecting rod to the right under the effect of elasticity after separating, thus Stick into latch in card slot, contacting in the second keyboard body with third keyboard body makes, by the extruding to air bag, make piston to It is mobile, and then stick into gag lever post in the first groove, play the role of locking, keeps gas bleeder valve discouraged by the button that loses heart when use, Retract gag lever post under the action of third spring force, this device can be folded twice, when carrying greatly Space is saved, is easy to use；

(2) expandable and contractible keyboard offers the first groove by the left end of second keyboard body, keyboard is facilitated to receive Clamping when rising between third keyboard body and the second keyboard body；

(3) expandable and contractible keyboard, is opened up by the first keyboard body both ends there are two the second groove, is unfolded to use in keyboard When keyboard clamping made by the groove at the first keyboard body both ends；

(4) expandable and contractible keyboard is separately connected supporting leg by the second keyboard body, third keyboard body bottom, makes key Disk is propped up, and is easy to use；

(5) expandable and contractible keyboard is connected with knob by the second keyboard body and third keyboard body, described to shake hands and slide Moving axis is fixedly linked, and slides sliding axle by knob, to release locking.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of expandable and contractible keyboard structural schematic diagram one；

Fig. 2 be the utility model proposes a kind of expandable and contractible keyboard structural schematic diagram two；

Fig. 3 be the utility model proposes a kind of expandable and contractible keyboard part A structural schematic diagram；

Fig. 4 be the utility model proposes a kind of expandable and contractible keyboard part B structural schematic diagram；

Fig. 5 be the utility model proposes a kind of expandable and contractible keyboard C portion structural schematic diagram.

In figure: 1, the first keyboard body；2, the second groove；3, keyboard；4, the second hinge；5, the first hinge；6, Two keyboard bodies；7, supporting leg；8, third keyboard body；9, sliding axle；10, tooth socket；11, the first pressing plate；12, second spring； 13, first connecting rod；14, latch；15, the first spring；16, it shakes hands；17, lose heart button；18, the 4th spring；19, second connecting rod； 20, gas bleeder valve；21, air bag；22, piston；23, third spring；24, gag lever post；25, piston/cylinder；26, sealing pipeline；27, One groove.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

Referring to Fig.1-5, a kind of expandable and contractible keyboard, including the first keyboard body 1, the second keyboard body 6, third keyboard body 8, the first keyboard body 1, the second keyboard body 6 are respectively connected with keyboard 3, the second keyboard body 6 on third keyboard body 8 The left end of the first keyboard body 1 is connected to by the first hinge 5, third keyboard body 8 is connected to the first key by the second hinge 4 The right end of disk ontology 1,6 right side inner wall of the second keyboard body slidably connect sliding axle 9, several tooth sockets are offered on sliding axle 9 10, be socketed with the first spring 15 on sliding axle 9, and 15 both ends of the first spring respectively at in sliding axle 9 and the second keyboard body 6 Wall offsets, and 6 internal slide of the second keyboard body is connected with first connecting rod 13, and the right end of first connecting rod 13 is fixedly connected with the first pressure Plate 11, and second spring 12 is connected between the first pressing plate 11 and the second keyboard body 6, the left end of first connecting rod 13 passes through pin shaft It is connected with latch 14 corresponding with tooth socket 10；The right end of third keyboard body 8 is connected with air bag 21, and air bag 21 passes through sealing pipeline 26 are connected with piston/cylinder 25, and piston 22 is slidably connected in piston/cylinder 25, and 22 right end of piston is fixedly connected with gag lever post 24, Third spring 23 is socketed on gag lever post 24, and its both ends is connected with 25 inner wall of piston/cylinder and piston 22 respectively, piston/cylinder 25 roofs are connected with gas bleeder valve 20, and gas bleeder valve 20 is connected with discouraged button 17 by second connecting rod 19, connection in the button 17 that loses heart There is the 4th spring 18.

The left end of second keyboard body 6 offers first groove 27 corresponding with gag lever post 24, facilitates keyboard when packing up Clamping between third keyboard body 8 and the second keyboard body 6.

First keyboard body, 1 both ends are opened up there are two second groove 2 corresponding with sliding axle 9, when keyboard is unfolded to use Make keyboard clamping by second groove 2 at 1 both ends of the first keyboard body.

Second keyboard body 6,8 bottom of third keyboard body are separately connected supporting leg 7, prop up keyboard, are easy to use.

Second keyboard body 6 is connected with knob 16 with third keyboard body 8, and knob 16 is fixedly linked with sliding axle 9, passes through Knob 16 slides sliding axle 9, to release locking.

Working principle: in the utility model, user when in use, by folding the second keyboard body 6, is being touched When the first keyboard body 1, by the pushing of the first pressing plate 11, make first connecting rod 13 that latch 14 be driven to lift, thus the first spring 15 make sliding axle 9 be inserted into the second groove 2 under the action of elastic force plays locking effect, and third keyboard body 8 is same as above, when packing up Sliding axle 9 is slided to the left by knob 16, separates the first keyboard body 1 with the second keyboard body 6, the second bullet after separating Spring 12 slides first connecting rod 13 to the right, so that latch 14 be made to stick into card slot, the second keyboard body 6 with The contact of third keyboard body 8 makes, and by the extruding to air bag 21, makes piston 22 to movement, and then gag lever post 24 is made to stick into first In groove 27, play the role of locking, so that gas bleeder valve 20 is lost heart by the button 17 that loses heart when use, in the work of 23 elastic force of third spring Retract gag lever post 24 under, this device can be folded twice, greatly save space when carrying, convenient It uses.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (5)

1. a kind of expandable and contractible keyboard, including the first keyboard body (1), the second keyboard body (6) and third keyboard body (8), institute It states the first keyboard body (1), the second keyboard body (6), be respectively connected with keyboard (3), feature on third keyboard body (8) It is, second keyboard body (6) is connected to the left end of the first keyboard body (1), the third key by the first hinge (5) Disk ontology (8) is connected to the right end of the first keyboard body (1) by the second hinge (4), on the right side of second keyboard body (6) in Wall slidably connects sliding axle (9), offers several tooth sockets (10) on the sliding axle (9), is socketed on the sliding axle (9) First spring (15), and the first spring (15) both ends offset respectively at sliding axle (9) and the second keyboard body (6) inner wall, institute It states the second keyboard body (6) internal slide to be connected with first connecting rod (13), the right end of the first connecting rod (13) is fixedly connected with First pressing plate (11), and second spring (12) are connected between first pressing plate (11) and the second keyboard body (6), described The left end of one connecting rod (13) is connected with latch (14) corresponding with tooth socket (10) by pin shaft；The third keyboard body (8) Right end is connected with air bag (21), and the air bag (21) is connected with piston/cylinder (25), the piston cylinder by sealing pipeline (26) It is slidably connected piston (22) in body (25), piston (22) right end is fixedly connected with gag lever post (24), the gag lever post (24) it is socketed on third spring (23), and its both ends is connected with piston/cylinder (25) inner wall and piston (22) respectively, the work Plug cylinder body (25) roof is connected with gas bleeder valve (20), and the gas bleeder valve (20) is connected with discouraged button by second connecting rod (19) (17), the 4th spring (18) is connected in the discouraged button (17).

2. a kind of expandable and contractible keyboard according to claim 1, which is characterized in that the left end of second keyboard body (6) Offer the first groove (27) corresponding with gag lever post (24).

3. a kind of expandable and contractible keyboard according to claim 1, which is characterized in that open at the first keyboard body (1) both ends If there are two the second grooves (2) corresponding with sliding axle (9).

4. a kind of expandable and contractible keyboard according to claim 1, which is characterized in that second keyboard body (6), third key Disk ontology (8) bottom is separately connected supporting leg (7).

5. a kind of expandable and contractible keyboard according to claim 1, which is characterized in that second keyboard body (6) and third Keyboard body (8) is connected with knob (16), and the knob (16) is fixedly linked with sliding axle (9).