CN204407221U - A kind of agricultural economic analysis keyboard structure of improvement - Google Patents
A kind of agricultural economic analysis keyboard structure of improvement Download PDFInfo
- Publication number
- CN204407221U CN204407221U CN201520129267.0U CN201520129267U CN204407221U CN 204407221 U CN204407221 U CN 204407221U CN 201520129267 U CN201520129267 U CN 201520129267U CN 204407221 U CN204407221 U CN 204407221U
- Authority
- CN
- China
- Prior art keywords
- elastic portion
- spring
- movable contact
- base
- contact spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Push-Button Switches (AREA)
Abstract
The utility model discloses a kind of agricultural economic analysis keyboard structure of improvement, comprise base, base is fixed with static contact, base connects crown cap by spring body, the bottom of top cap is provided with movable contact spring, movable contact spring and static contact selective exposure, described top cap is connected with movable contact spring by supporting mechanism, supporting mechanism comprises spring leaf, spring leaf comprises the first elastic portion that head and the tail connect, second elastic portion and the 3rd elastic portion, the top of the second elastic portion is provided with skewed slot, rubber layer is provided with in skewed slot, the sidewall of the first elastic portion is fixed with resilient support arms, bottom and the rubber layer of resilient support arms are slidably matched, the side slip contact of the 3rd elastic portion has an arc-shaped limit block, arc-shaped limit block is connected on base by the first spring body, the arranged outside of the first spring body has adjusting bolt.The utility model can improve the deficiencies in the prior art, can adjust key journey and keystroke dynamics flexibly, long service life.
Description
Technical field
The utility model relates to the electronic equipment used in a kind of agricultural economic analysis work, especially a kind of agricultural economic analysis keyboard structure of improvement.
Background technology
The research of agricultural economy is an important process of development China modern agriculture.Carry out in statistical research process in Ge great scientific research institutions to agricultural economy, using computer to carry out process to Various types of data is a routine work, and the smooth degree of the input equipment use of computer has directly had influence on the efficiency of agricultural economic research work.Chinese utility model patent CN 204102768 U discloses a kind of improved keyboard mechanical axis switch, improves the reliability of mechanical axis switch.But the mechanical axis switch of this structure in use cannot operating key journey and keystroke dynamics flexibly, and in high-frequency data input is formed, error rate for input is higher.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of agricultural economic analysis keyboard structure of improvement, can solve the deficiencies in the prior art, can adjust key journey and keystroke dynamics flexibly, long service life.
For solving the problems of the technologies described above, technical solution adopted in the utility model is as follows.
A kind of agricultural economic analysis keyboard structure of improvement, comprise base, base is fixed with static contact, base connects crown cap by spring body, the bottom of top cap is provided with movable contact spring, movable contact spring and static contact selective exposure, described top cap is connected with movable contact spring by supporting mechanism, supporting mechanism comprises spring leaf, spring leaf comprises the first elastic portion that head and the tail connect, second elastic portion and the 3rd elastic portion, first elastic portion tilts upward setting, and be fixedly connected with top cap, second elastic portion is horizontally disposed with, 3rd elastic portion is vertically arranged, the bottom of the 3rd elastic portion is fixedly connected with movable contact spring, the top of the second elastic portion is provided with skewed slot, rubber layer is provided with in skewed slot, the sidewall of the first elastic portion is fixed with resilient support arms, bottom and the rubber layer of resilient support arms are slidably matched, the side slip contact of the 3rd elastic portion has an arc-shaped limit block, arc-shaped limit block is connected on base by the first spring body, the arranged outside of the first spring body has adjusting bolt, the top of movable contact spring is arc, the top of movable contact spring is fixedly connected with the 3rd elastic portion, the bottom surface of movable contact spring is provided with the first groove, and the bilateral symmetry of the first groove is provided with the first flange, and the end face of static contact is provided with the second flange and the second groove that match with the first groove and the first flange.
As preferably, the outer ledge of described movable contact spring is provided with limiting stand, and base is provided with the through hole corresponding with limiting stand, in through hole, selectivity is plugged with gag lever post.
As preferably, the top selectivity of described top cap is fixed with silica gel contact, is fixed bottom silica gel contact by sucker and top cap.
The beneficial effect adopting technique scheme to bring is: static contact and movable contact spring are designed to upper and lower contact structures by the utility model, and supporting mechanism is provided with above movable contact spring, effectively can improve the useful life of contact and a comfortable button touch feeling is provided.Top cap is pressed downwards in process, first elastic portion bends, resilient support arms is driven to carry out slide displacement at skewed slot, in the process that resilient support arms is subjected to displacement, the contact site of resilient support arms and the second elastic portion constantly changes, the stress point of the second elastic portion is constantly changed, can avoid certain fixing stress point of the second elastic portion that serious elastic deformation occurs tired.Be slidably matched by the bottom of resilient support arms and rubber layer, the damping sense of knocking and producing in the cap process of top can also be improved.Arc-shaped limit block can limit the amount of elastic deformation of the 3rd elastic portion, thus realizes the effect of regulating key key journey and dynamics.The contact-making surface of movable contact spring and static contact is designed to awave arcwall face, can improve contact area, avoids the wearing and tearing that some contact point excessive friction of contact-making surface causes.When some button needs temporarily to shield, by grafting gag lever post in through hole, use gag lever post limiting stand is supported, thus make button cannot under by, realize function of shielding.Some conventional button arranges silica gel contact, not only can reduce for top cap wearing and tearing can also improve touch system input time accuracy rate.
Accompanying drawing explanation
Fig. 1 is the structure chart of the utility model embodiment.
In figure: 1, base; 2, static contact; 3, spring body; 4, cap is pushed up; 5, movable contact spring; 6, the first elastic portion; 7, the second elastic portion; 8, the 3rd elastic portion; 9, skewed slot; 10, rubber layer; 11, resilient support arms; 12, arc-shaped limit block; 13, the first spring body; 14, adjusting bolt; 15, the first groove; 16, the first flange; 17, the second flange; 18, the second groove; 19, limiting stand; 20, through hole; 21, gag lever post; 22, silica gel contact; 23, sucker; 24, arc-shaped spring piece; 25, the second spring body.
Embodiment
The standardized element used in the utility model all can be commercially, shaped piece all can carry out customized according to specification with the record of accompanying drawing, the concrete connected mode of each part all adopts the conventional means such as bolt, rivet, welding, stickup ripe in prior art, is not described in detail in this.
With reference to Fig. 1, the utility model embodiment comprises base 1, base 1 is fixed with static contact 2, base 1 connects crown cap 4 by spring body 3, the bottom of top cap 4 is provided with movable contact spring 5, movable contact spring 5 and static contact 2 selective exposure, described top cap 4 is connected with movable contact spring 5 by supporting mechanism, supporting mechanism comprises spring leaf, spring leaf comprises the first elastic portion 6 that head and the tail connect, second elastic portion 7 and the 3rd elastic portion 8, first elastic portion 6 tilts upward setting, and be fixedly connected with top cap 4, second elastic portion 7 is horizontally disposed with, 3rd elastic portion 8 is vertically arranged, the bottom of the 3rd elastic portion 8 is fixedly connected with movable contact spring 5, the top of the second elastic portion 7 is provided with skewed slot 9, rubber layer 10 is provided with in skewed slot 9, the sidewall of the first elastic portion 6 is fixed with resilient support arms 11, bottom and the rubber layer 10 of resilient support arms 11 are slidably matched, the side slip contact of the 3rd elastic portion 8 has an arc-shaped limit block 12, arc-shaped limit block 12 is connected on base 1 by the first spring body 13, the arranged outside of the first spring body 13 has adjusting bolt 14, the top of movable contact spring 5 is arc, the top of movable contact spring 5 is fixedly connected with the 3rd elastic portion 8, the bottom surface of movable contact spring 5 is provided with the first groove 15, the bilateral symmetry of the first groove 15 is provided with the first flange 16, and the end face of static contact 2 is provided with the second flange 17 and the second groove 18 matched with the first groove 15 and the first flange 16.Static contact 2 and movable contact spring 5 are designed to upper and lower contact structures by the present embodiment, and are provided with supporting mechanism above movable contact spring 5, effectively can improve the useful life of contact and provide a comfortable button touch feeling.Top cap 4 is pressed downwards in process, first elastic portion 6 bends, resilient support arms 11 is driven to carry out slide displacement at skewed slot 9, in the process that resilient support arms 11 is subjected to displacement, the contact site of resilient support arms 11 and the second elastic portion 7 constantly changes, the stress point of the second elastic portion 7 is constantly changed, can avoid certain fixing stress point of the second elastic portion 7 that serious elastic deformation occurs tired.Be slidably matched by the bottom of resilient support arms 11 and rubber layer 10, the damping sense of knocking and producing in cap 4 process of top can also be improved.Arc-shaped limit block 12 can limit the amount of elastic deformation of the 3rd elastic portion 8, thus realizes the effect of regulating key key journey and dynamics.Movable contact spring 5 is designed to awave arcwall face with the contact-making surface of static contact 2, can improve contact area, avoid the wearing and tearing that some contact point excessive friction of contact-making surface causes.The outer ledge of movable contact spring 5 is provided with limiting stand 19, and base 1 is provided with the through hole 20 corresponding with limiting stand, in through hole 20, selectivity is plugged with gag lever post 21.When some button needs temporarily to shield, by grafting gag lever post 21 in through hole 20, use gag lever post 21 pairs of limiting stands 19 to support, thus make button cannot under by, realize function of shielding.The top selectivity of top cap 4 is fixed with silica gel contact 22, is fixed bottom silica gel contact 22 by sucker 23 and top cap 4.Some conventional button arranges silica gel contact 22, not only can reduce for top cap 4 wearing and tearing can also improve touch system input time accuracy rate.
In addition, the first elastic portion 6, second elastic portion 7 and the 3rd elastic portion 8 are linked together by the mode of integrated molding.The junction of the first elastic portion 6 and the second elastic portion 7 is provided with arc-shaped spring piece 24, and the outside of arc-shaped spring piece 24 is connected in the second elastic portion 7 by the second spring body 25.Arc-shaped spring piece 24 can reduce the flexural fatigue degree of the first elastic portion 6 and the second elastic portion 7 connecting portion, and the second spring body 25 can reduce the uneven problem of deformation power that arc-shaped spring piece 24 brings.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. the agricultural economic analysis keyboard structure improved, comprise base (1), base (1) is fixed with static contact (2), base (1) connects crown cap (4) by spring body (3), the bottom on top cap (4) is provided with movable contact spring (5), movable contact spring (5) and static contact (2) selective exposure, it is characterized in that: described top cap (4) is connected with movable contact spring (5) by supporting mechanism, supporting mechanism comprises spring leaf, spring leaf comprises the first elastic portion (6) that head and the tail connect, second elastic portion (7) and the 3rd elastic portion (8), first elastic portion (6) tilts upward setting, and be fixedly connected with top cap (4), second elastic portion (7) is horizontally disposed with, 3rd elastic portion (8) is vertically arranged, the bottom of the 3rd elastic portion (8) is fixedly connected with movable contact spring (5), the top of the second elastic portion (7) is provided with skewed slot (9), rubber layer (10) is provided with in skewed slot (9), the sidewall of the first elastic portion (6) is fixed with resilient support arms (11), bottom and the rubber layer (10) of resilient support arms (11) are slidably matched, the side slip contact of the 3rd elastic portion (8) has an arc-shaped limit block (12), arc-shaped limit block (12) is connected on base (1) by the first spring body (13), the arranged outside of the first spring body (13) has adjusting bolt (14), the top of movable contact spring (5) is arc, the top of movable contact spring (5) is fixedly connected with the 3rd elastic portion (8), the bottom surface of movable contact spring (5) is provided with the first groove (15), the bilateral symmetry of the first groove (15) is provided with the first flange (16), and the end face of static contact (2) is provided with the second flange (17) and the second groove (18) that match with the first groove (15) and the first flange (16).
2. the agricultural economic analysis keyboard structure of improvement according to claim 1, it is characterized in that: the outer ledge of described movable contact spring (5) is provided with limiting stand (19), base (1) is provided with the through hole (20) corresponding with limiting stand, through hole (20) interior selectivity is plugged with gag lever post (21).
3. the agricultural economic analysis keyboard structure of improvement according to claim 1, it is characterized in that: the top selectivity on described top cap (4) is fixed with silica gel contact (22), silica gel contact (22) bottom is fixed by sucker (23) and top cap (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520129267.0U CN204407221U (en) | 2015-03-06 | 2015-03-06 | A kind of agricultural economic analysis keyboard structure of improvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520129267.0U CN204407221U (en) | 2015-03-06 | 2015-03-06 | A kind of agricultural economic analysis keyboard structure of improvement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204407221U true CN204407221U (en) | 2015-06-17 |
Family
ID=53431059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520129267.0U Expired - Fee Related CN204407221U (en) | 2015-03-06 | 2015-03-06 | A kind of agricultural economic analysis keyboard structure of improvement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204407221U (en) |
-
2015
- 2015-03-06 CN CN201520129267.0U patent/CN204407221U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204407221U (en) | A kind of agricultural economic analysis keyboard structure of improvement | |
| CN203309464U (en) | Touchpad supporting structure | |
| CN203503522U (en) | Elastic press button structure | |
| CN203457288U (en) | Touch-type gesture recognition control device for earphones | |
| CN204883608U (en) | Supporting supplementary health care device of computer mouse | |
| CN204808216U (en) | Pressure sense of touch adjustable calculates key dish | |
| CN206584846U (en) | thin-film keyboard switch | |
| CN209440820U (en) | Pressing machine is used in a kind of production of keycap | |
| CN201900806U (en) | Positioning and marking device for lithium ion battery | |
| JP2018527726A (en) | Fixed movable piece assembly of push key switch | |
| CN202650504U (en) | Feel adjusting device for horizontal type piano keyboard | |
| CN202905497U (en) | Spring sheet applied to touch screen switch | |
| CN207650706U (en) | A kind of notebook Trackpad of integrated picture input function | |
| CN206931060U (en) | Leather sheath keyboard with adsorption support | |
| CN205643053U (en) | Sclerometer with guard action | |
| CN204204281U (en) | Elasticity demonstration device special in a kind of physics teaching | |
| CN220268938U (en) | Interactive terminal convenient to installation | |
| CN215729688U (en) | Multifunctional mouse | |
| CN203644606U (en) | Button device | |
| CN203052122U (en) | Adjustable bracket for tablet personal computer | |
| CN203895314U (en) | Keyboard | |
| CN211264674U (en) | Multi-functional learning tools of english vocabulary | |
| CN203726678U (en) | Novel indirect slide device | |
| CN210702119U (en) | Stamping die for solar cell connecting sheet | |
| CN204856398U (en) | Dactylotheca formula mouse |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yue Kun Inventor after: Liu Yapeng Inventor after: Yang Xianghe Inventor after: Hu Jian Inventor before: Yue Kun Inventor before: Wang Nan Inventor before: Yang Xianghe Inventor before: Hu Jian |
|
| COR | Change of bibliographic data | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20170306 |