Self-resilience key

The technical field of

[0001] the invention claims a keystroke device technology field specifically claims an automatic rebound key.

Background technology

[0002] in existing technology the key-press many with the spring structure of the keystroke of the most of the keystroke returning spring are increased around the key-stroke main body of the circular ring or similar shape of rib position of. The rib position is fixed at one end of the key-press seat is set on the rib position of the other end is fixed on the key-press key-press and key-press seat through the connecting rib achieve. Most situation it uses two or several strips of rib position of way is fixed when the key is used the upper and lower pressure in the process of the rib on the lower pressure in the process of the length of not change the position change and it makes the keypad is set on the fixed end of the on the lower pressure in the process of the key-press corresponding to the designed position for excursion caused by the key is easy to turnover.

[0003] current from back spring the key adopts the technology plan of although it is able to a certain range process to meet the automatically rebound of the key-press from the return requirement. But along with the key using time of the long key-press self it is easy to occur plastic deformation when using a period of time after some key appear key lower that can not be extruded out of the spring the phenomenon that the serious influence the using of the key appearance of product and user experience.

The content of invention

[0004] the purpose of this invention is to provide a on the key is pressed in the process does not generate rotate will not deviate key design position of the automatically rebound key.

[0005] the invention has the other purpose is to provide a is set on the deformation of the key and it can effectively prevent keystroke being used in the process of deforming the spring button.

[0006] to reach the purpose of this invention adopts following technical plan:

[0007] from the elastic key comprises key-press and key-press seat the key through at least an elastic suspension arm and said key-press seat is connected with the key-press seat is set with a hollow groove of said suspending arm and said key-press it is composed of said hollow groove are separated in the key pedestal and said button seat are integrally formed.

[0008] further said key passes through two suspending arm and said key-press seat is connected with.

[0009] further comprises a symmetrically set on the press key base on the two ends of the first cantalever; Said first suspension arm comprises located on the two ends of fixed end and the two fixing end the spring is set between the movable end; Each of said fixed end is connected with the key-press seat is connected with the elastic movable end can be with help of the elastic relative to the key-press seat moving; The key through the two symmetrically set with a second suspension arm are respectively connected with at least two said first suspension arm of the elastic movable end.

[0010] further the key are set on the periphery around the key of the second hollow groove said second hollow groove on the key of the first direction of the two opposite ends of the cut off so as to form two second connecting part two said second connecting part is composed of said second cantilever; The second hollow groove of the outer circumference of the second hollow groove are distantly set on the first hollow groove the first hollow groove and the second hollow groove is formed between said first suspension arm of the elastic movable end of the first hollow groove on the key of the second direction of the two opposite ends of the cut off so as to form two the first connecting part said first connecting part of the said first suspension arm the fixed end of the; Said second connecting part and said first connecting part is set with cross.

0011 ] and [ one step two of said first connecting part of connecting line and the key the vertical coincident with axial line; Two said second connecting part of connecting line and the key the level axes of the overlapped.

0012 ] and [ one step two of said first connecting part of connecting line and the key the level axes of the overlapped; Two said second connecting part of connecting line and the key the vertical coincident with axial line.

[0013] further the first direction and the second direction the included angle between the length of the number is more than or equal to 45 degrees and less than or equal to 135 degrees.

[0014] preferably said from the elastic button of the whole body is made of plastic.

[0015] further the first arm and a second suspension arm is set on the deformation the deformation so as to make the key in the nature state under the state of the convex.

[0016] further the deformation of the structure is as follows the first arm and a second suspension arm is composed of the structure is able to make the key the plane of the higher than the key base the plane of the.

[0017] this invention has the beneficial effect is as follows:

[0018] in this invention through changing keypad and keypad piece is set between the first arm and a second suspension arm the relative position relationship can make the key-press on the lower pressure in the process of the lower pressing direction which is vertical with plane on the stress balance so as to key will not be the scheduled position is appeared between shift or rotation user experience good;

[0019] the invention claims a first suspension arm and a second suspension arm is set on the advance distortion it solves the problem that the key is used for a long time in the process of deforming will appear not return spring or the lower part of the phenomenon keys increases the beauty of improving the quality of product.

Specification attached drawing

[0020] picture 1 the invention claims an automatic rebound of the key is simple in structure conventional diagram;

[0021] picture 2 the embodiment of this invention claims an automatic rebound of the key-press solid structure conventional diagram;

[0022] picture 3 the embodiment of this invention claims an automatic rebound of the key top view structure conventional diagram.

[0023] image in attached drawing mark is:

[0024] 1 the key-press seat; According to the key; 3 the first hollow groove; Second hollow slot 4; 6 the first connecting part; 7 the second connecting part; 14 first suspension arm; A second suspension arm 15; 18 fixed end; 19 elastic movable end.

Specific implementing manner

[0025] a lower surface of the attached drawing and the specific implementing manner to further explain the technology scheme of the invention.

[0026] embodiment a

0027 [ 1-3 ] such as image is displayed the invention claims an automatic rebound the button comprises the key press seat 2 i and key said key 2 through it comprises at least one elastic suspension arm and said key-press seat i is connected with the key-press seat i is set on the hollow groove of said suspending arm and said key 2 from said hollow groove are separated and the key-press seat i is set on the said key i a seat body forms. The embodiment of an automatic rebound of the key button 2 through the two suspending arm and said key-press seat is connected with the i are respectively the first hanging arms 14 and a second suspension arm 15. Said first suspension arm 14 it is composed of the two ends of the fixed end of the 18 and the two fixing ends 18 between the elastic movable end 19; Each of said fixed end 18 is connected with the key-press seat i is connected with the elastic movable end 19 can be with help of the elastic relative to the key-press seat i moving; Said key 2 through the two symmetrically set with a second suspension arm 15 is separately connected to two said first suspension arm 14 of the elastic movable end 19 such structure it can ensure that the key at the lower press direction is vertical on the plane of the stress balance. Wherein said key 2 is rectangular or circular button the button claims a spring button of the whole body is made of plastic.

[0028] further said key 2 are set on the periphery around the key 2 second hollow slot 4 the second hollow slot 4 on the key 2 the first direction of the two opposite ends of the cut off so as to form two second connecting part 7 two said second connecting part is composed of 7 and the second suspension arm 15; On the second hollow slot 4 of the outer circumference of the second hollow slot 4 is set with space the first hollow groove the first hollow groove 3 and second hollow slot 4 is formed between said first suspension arm 14 of the elastic movable end 19 the first hollow groove 3 on the key 2 the second direction of the two opposite ends of the cut off so as to form two the first connecting part 6 said first connecting part 6 of the said first suspension arm 14 the fixed end of the 18; Said second connecting part 7 and the first connecting part 6 distributed crosswise are set in said key 2 the key press seat 1 said first suspension arm 14 the second suspension arm 15 is a whole structure. Wherein said first direction and the second direction the included angle between the length of the number is more than or equal to 45 degrees and less than or equal to 135 degrees.

[0029] the embodiment of the two one of the first connecting part 6 of the connecting wire and said key 2 the level axes of the overlapped; Two said second connecting part 7 of the connecting wire and said key 2 the vertical coincident with axial line the adjacent first connecting part of the 6 and the second connecting part 7 the included angle between the degree of 90 degrees. The structure design it can make the key-press on the lower pressure in the process of the lower pressing direction which is vertical with plane on the stress balance so as to key will not be the scheduled position is appeared between shift or rotation user experience good.

[0030] in order to ensure the longer using life of the said first suspension arm 14 and a second suspension arm 15 is set on the deformation the deformation so as to make said key 2 in the nature state under the state of the convex. Wherein the deformation of the structure is as follows said first suspension arm 14 and a second suspension arm 15 is composed of the structure is able to make said key 2 the plane of the higher than the key-press seat i the plane of the said first suspension arm 14 and / or the second suspension arm 15 the plane of the higher than the key base the plane of the i. The deformation of the device solves the problem that the key using for a long period in the process of deforming will appear not return spring or the lower part of the phenomenon keys increases the beauty of improving the quality of product.

[0031] embodiment second

[0032] the embodiment of the embodiment of a difference between the embodiment of the first direction and the second direction the included angle between the length of the number of 75°.

[0033] embodiments of three

[0034] the embodiment of the embodiment of a difference between the embodiment of the two said first connecting part of connecting line and the key the vertical coincident with axial line; Two said second connecting part of connecting line and the key the level axes of the overlapped.

0035 ] and [ is combined with specific embodiment of this invention claims the technical theory of. The description it is in order to release the principle of this invention can not be in any way of interpreted as the protection range of the limitation of. Based on the position of the explanation of the field of technology of the operator does not need to pay creative labour can be associated to the other specific embodiments the method will fall into the invention claims a protection range.