CN209821825U - Special calculator keyboard for financial and economic examinations - Google Patents
Special calculator keyboard for financial and economic examinations Download PDFInfo
- Publication number
- CN209821825U CN209821825U CN201920684342.8U CN201920684342U CN209821825U CN 209821825 U CN209821825 U CN 209821825U CN 201920684342 U CN201920684342 U CN 201920684342U CN 209821825 U CN209821825 U CN 209821825U
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- Prior art keywords
- rebounding
- key
- key board
- keys
- groove
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- Expired - Fee Related
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Abstract
The utility model discloses a calculator keyboard special for finance and economics examinations, which comprises a key board, a rebounding mechanism and a protection mechanism, wherein the inner side of the key board is provided with a number key and function keys, the function keys are distributed around the outer side of the number key, the inner side of the top end of the key board is provided with a display screen, and the top end of the number key is provided with a rubber sleeve; the rebounding mechanism is arranged between the number keys and the key board and comprises a support at the bottom of the key board, a rebounding groove is formed between the support and the bottom ends of the number keys in a surrounding mode, rebounding plates are arranged on the surfaces of the two sides of the bottom ends of the number keys, a rebounding spring is arranged inside the rebounding groove, and the bottom end of the rebounding spring contacts the rebounding groove; through setting up the resilience mechanism in the keypad bottom, can ensure that the button sinks after stable rebound, install the guide tube around the keypad upper surface button moreover, make the button receive after pressing can not sink to the keypad, avoided the condition that the button was blockked by the keypad to take place.
Description
Technical Field
The utility model belongs to the technical field of the keyboard, concretely relates to special calculator keyboard of finance and economics class examination.
Background
The keyboard is the most common and main input device, and english letters, numbers, punctuations and the like can be input into the computer through the keyboard, so as to send commands, input data and the like to the computer. At the same time, the keyboard can also be used for data input of the calculator.
When the existing calculator keyboard for the examination is used, the keys are required to be pressed frequently and are directly sunk below the key board when the keys are pressed excessively, so that the situation that the keys are clamped by the key board and cannot be rebounded is possibly caused, and the examination of students is influenced; and often the rubber sleeve is sleeved outside the key to protect the key, but no resilient means is arranged between the traditional rubber sleeve and the key, so that the protection effect is unsatisfactory, and once the calculator falls to the ground carelessly, the key is easy to be damaged, so that the special calculator keyboard for the financial and financial examinations is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a calculator keyboard special for financial and economic examinations, which aims to solve the problems that when the calculator keyboard for the prior examinations proposed in the background art is used, the keys are frequently pressed and are directly sunk below the key board when the keys are pressed excessively, so that the keys are possibly clamped by the key board and cannot be rebounded, thereby influencing the examinations of students; and often the cover has the rubber sleeve in order to protect the button outside the button, but does not have resilient mounting between traditional rubber sleeve and the button, and the protection effect is not fully satisfactory, in case the calculator falls to the ground carelessly, makes the impaired problem of button easily.
In order to achieve the above object, the utility model provides a following technical scheme: a calculator keyboard special for financial and economic examinations comprises a key board, a springback mechanism and a protection mechanism, wherein the inner side of the key board is provided with numeric keys and function keys, the function keys are distributed around the outer sides of the numeric keys, the inner side of the top end of the key board is provided with a display screen, and the top end of the numeric keys is provided with a rubber sleeve;
the rebounding mechanism is arranged between the number keys and the key board and comprises a support at the bottom of the key board, a rebounding groove is formed between the support and the bottom ends of the number keys in a surrounding mode, rebounding plates are arranged on the surfaces of the two sides of the bottom ends of the number keys, a rebounding spring is arranged inside the rebounding groove, the bottom end of the rebounding spring is in contact with the rebounding groove, the top end of the rebounding spring is in contact with the rebounding plate, and a guide cylinder is arranged on the outer side of any number key on the upper surface of the key;
protection mechanism installs between numerical key and rubber sleeve, protection mechanism includes the inside movable groove of numerical key, the inside in movable groove is provided with buffer spring, and buffer spring's top and rubber sleeve contact, buffer spring's bottom and numerical key contact, the both sides in movable groove are provided with the spacing groove, the position department that the bottom both sides of rubber sleeve correspond the spacing groove is provided with the stopper.
Preferably, the rubber sleeve and the number keys are connected by the buffer spring after being clamped and limited by the limiting block and the limiting groove.
Preferably, the rebounding plate and the number keys are of an integrated structure, and the support and the key plate are of an integrated structure.
Preferably, the cross section of the guide cylinder is of a 'return' type structure, and the guide cylinder and the key plate are of an integrated structure.
Preferably, the number keys and the key board are connected by the rebound springs after penetrating through the key board through the bottom ends of the number keys.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, through setting up the resilience mechanism in the keypad bottom, can ensure that the button is settled and is later stablized to rebound, install the guide tube around keypad upper surface button moreover, make the button receive can not sink into the keypad after pressing down once, avoided the condition that the button was blockked by the keypad to take place.
2. The utility model discloses in, through the buffer gear who sets up between rubber sleeve and button, can prevent the button directly to strike ground when the calculator carelessly falls to the ground, play the effect of buffering impact force, effectively protected the button.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the rebounding mechanism of the present invention;
FIG. 3 is a schematic structural view of the buffering mechanism of the present invention;
in the figure: 1. a keypad; 2. a guide cylinder; 3. a function key; 4. a number key; 5. a display screen; 6. a rubber sleeve; 7. a support; 8. a rebound spring; 9. a rebound groove; 10. a rebound board; 11. a limiting block; 12. a limiting groove; 13. a movable groove; 14. a buffer spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a calculator keyboard special for financial and economic examinations comprises a key board 1, a rebounding mechanism and a protecting mechanism, wherein the inner side of the key board 1 is provided with numeric keys 4 and function keys 3, the function keys 3 are distributed around the outer sides of the numeric keys 4, the inner side of the top end of the key board 1 is provided with a display screen 5, and the top end of the numeric keys 4 is provided with a rubber sleeve 6;
the rebounding mechanism is arranged between the number keys 4 and the key board 1 and comprises a support 7 at the bottom of the key board 1, a rebounding groove 9 is formed between the support 7 and the bottom ends of the number keys 4 in a surrounding mode, rebounding plates 10 are arranged on the surfaces of the two sides of the bottom ends of the number keys 4, rebounding springs 8 are arranged inside the rebounding grooves 9, the bottom ends of the rebounding springs 8 are in contact with the rebounding grooves 9, the top ends of the rebounding plates 10 are in contact with the rebounding plates, and guide cylinders 2 are arranged on the outer sides of any number key 4 on the upper;
protection machanism installs between numerical key 4 and rubber sleeve 6, and protection machanism includes the inside movable groove 13 of numerical key 4, and the inside of movable groove 13 is provided with buffer spring 14, and buffer spring 14's top and the contact of rubber sleeve 6, and buffer spring 14's bottom and numerical key 4 contact, and the both sides of movable groove 13 are provided with spacing groove 12, and the position department that the bottom both sides of rubber sleeve 6 correspond spacing groove 12 is provided with stopper 11.
In order to facilitate connection of the rubber sleeve 6, in this embodiment, preferably, the rubber sleeve 6 and the number keys 4 are connected by the buffer spring 14 after being clamped and limited by the limiting block 11 and the limiting groove 12.
In order to make the rebounding plate 10 and the number keys 4 tightly combined, in the present embodiment, it is preferable that the rebounding plate 10 and the number keys 4 are integrally formed, and the support 7 and the key plate 1 are integrally formed.
In order to stably combine the guide cylinder 2 and the key plate 1, in the present embodiment, it is preferable that the cross section of the guide cylinder 2 is a "return" type structure, and the guide cylinder 2 and the key plate 1 are an integral structure.
In order to make the number keys 4 stably rebound, in the embodiment, it is preferable that the number keys 4 and the key board 1 are connected by the rebound spring 8 after the bottom ends of the number keys 4 pass through the key board 1.
The utility model discloses a theory of operation and use flow: the calculator is started by pressing the function key 3 with the hand, then press the number key 4 to input digital information, press the function key 3 again to operate, the result that reachs at last can be at the surface display of display screen 5, when the number key 4 receives to press, because there is guide cylinder 2 in the outside of number key 4, even the top that the numerical key 4 the at utmost sinks also can not be in the bottom of keypad 1, numerical key 4 card in the bottom of keypad 1 has been avoided, and when the number key 4 pushed down, stopper 11 extrudees rebound spring 8, and rebound spring 8 can kick-back behind the hand and make number key 4 stably reset, and when the calculator carelessly falls to the ground, rubber sleeve 6 can contact ground at first, and the inside buffer spring 14 of number key 4 can support rubber sleeve 6 and cushion the impulsive force, thereby reach the purpose of protecting number key 4.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A calculator keyboard special for financial examinations comprises a key board (1), and is characterized in that: the key board is characterized by further comprising a rebounding mechanism and a protecting mechanism, wherein the inner side of the key board (1) is provided with a number key (4) and function keys (3), the function keys (3) are distributed around the outer side of the number key (4), the inner side of the top end of the key board (1) is provided with a display screen (5), and the top end of the number key (4) is provided with a rubber sleeve (6);
the rebounding mechanism is installed between the number keys (4) and the key board (1), the rebounding mechanism comprises a support (7) at the bottom of the key board (1), a rebounding groove (9) is defined between the support (7) and the bottom ends of the number keys (4), rebounding plates (10) are arranged on the surfaces of two sides of the bottom ends of the number keys (4), rebounding springs (8) are arranged inside the rebounding grooves (9), the bottom ends of the rebounding springs (8) are in contact with the rebounding groove (9), the top ends of the rebounding springs are in contact with the rebounding plates (10), and guide cylinders (2) are arranged on the outer sides of any number key (4) on the upper surface of the key board (1);
protection mechanism installs between numerical key (4) and rubber sleeve (6), protection mechanism includes numerical key (4) inside movable groove (13), the inside of movable groove (13) is provided with buffer spring (14), and the top and the rubber sleeve (6) contact of buffer spring (14), and the bottom and the numerical key (4) contact of buffer spring (14), the both sides of movable groove (13) are provided with spacing groove (12), the position department that the bottom both sides of rubber sleeve (6) correspond spacing groove (12) is provided with stopper (11).
2. The calculator keyboard special for financial examinations according to claim 1, wherein: the rubber sleeve (6) and the number keys (4) are connected by a buffer spring (14) after being clamped and limited by a limiting block (11) and a limiting groove (12).
3. The calculator keyboard special for financial examinations according to claim 1, wherein: the rebounding plate (10) and the number keys (4) are of an integrated structure, and the support (7) and the key plate (1) are of an integrated structure.
4. The calculator keyboard special for financial examinations according to claim 1, wherein: the cross section of the guide cylinder (2) is of a 'return' type structure, and the guide cylinder (2) and the key board (1) are of an integrated structure.
5. The calculator keyboard special for financial examinations according to claim 1, wherein: the number keys (4) are connected with the key board (1) through the rebound springs (8) after the bottom ends of the number keys (4) penetrate through the key board (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920684342.8U CN209821825U (en) | 2019-05-14 | 2019-05-14 | Special calculator keyboard for financial and economic examinations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920684342.8U CN209821825U (en) | 2019-05-14 | 2019-05-14 | Special calculator keyboard for financial and economic examinations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209821825U true CN209821825U (en) | 2019-12-20 |
Family
ID=68883529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920684342.8U Expired - Fee Related CN209821825U (en) | 2019-05-14 | 2019-05-14 | Special calculator keyboard for financial and economic examinations |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209821825U (en) |
-
2019
- 2019-05-14 CN CN201920684342.8U patent/CN209821825U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211119 Address after: 350200 zone a, 4th floor, dream seeking Park, Fuzhou Institute of foreign studies, Shouzhan Town, Changle District, Fuzhou City, Fujian Province 0409 Patentee after: Fuzhou Rongsen Digital Square Technology Co.,Ltd. Address before: No.28 Yuhuan Road, Shouzhan New District, Changle City, Fuzhou City, Fujian Province Patentee before: FUZHOU College OF FOREIGN STUDIES AND TRADE |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |