CN209312023U

CN209312023U - A kind of function calculators such as anti-error key height

Info

Publication number: CN209312023U
Application number: CN201920172408.5U
Authority: CN
Inventors: 苏媛
Original assignee: Shandong Vocational College of Industry
Current assignee: Shandong Vocational College of Industry
Priority date: 2019-01-31
Filing date: 2019-01-31
Publication date: 2019-08-27
Anticipated expiration: 2029-01-31

Abstract

The utility model provides a kind of function calculators such as anti-error key height, including calculator body, the calculator body includes key, the key periphery is equipped with the anti-error of annular setting and presses retaining ring, the anti-error wall thickness for pressing retaining ring is 1-1.5mm, the anti-error retaining ring top of pressing is equipped with the cambered surface to lower recess, upper surface is concordant under normal conditions or is higher than key upper surface 1mm under normal conditions with key for the extreme lower position of the anti-error cambered surface to lower recess of pressing retaining ring, the anti-error retaining ring of pressing is rectangular configuration, the arcwall face is located at anti-error four vertically arranged top side walls for pressing retaining ring of rectangular configuration, the extreme lower position height of arcwall face on four side walls is consistent.The utility model, which has, to be protected each keyboard by protrusion at keyboard position key periphery finger is anti-error, and convex barrier is pressed by anti-in finger side, effectively prevent accidentally by; only face-key when, key could integrally be pressed, improve computational accuracy; using effect is simple to manufacture, low in cost.

Description

A kind of function calculators such as anti-error key height

Technical field

The utility model relates to high calculator technical field more particularly to a kind of it be able to carry out high function and calculate just Take the function calculators such as formula technology device, in particular to a kind of anti-error key height.

Background technique

It is well known that high function calculator can be improved calculating speed, working efficiency, either routine use are improved, Or some numbers examinations difficult to understand, be all allow using one kind do not have the calculator of memory storage function and network savvy, it is this Calculator general structure is fairly simple, such as capable D991ES function calculator, Casio FX-991CN X function calculator, Yi Da When FC-82ESC function calculator etc., to there is keyboard smaller more, key be easy to appear accidentally by the problem of.

The above-mentioned calculator structure is roughly the same, fraction display screen is reserved in of such a size calculator body, rest part is all It is key, since the calculation formula and function key of design are relatively more, many function keys are arranged relatively small, for some hands Refer to relatively thick user, is easy when pressing one of key, finger can inadvertently touch the key on the key periphery, such as Fruit is without influencing entire calculated result note that may cause serious error in data.

Summary of the invention

The technical problems to be solved in the utility model is provided a kind of anti-error for existing deficiencies in the technology The function calculators such as key height, the calculator keyboard position is anti-error by protrusion in key periphery finger, protects to each keyboard Convex barrier is pressed by anti-in shield, finger side, effectively prevent accidentally by, only face-key when, key could integrally be pressed, be improved Computational accuracy, using effect are simple to manufacture, low in cost.

The technical solution of the utility model is to provide a kind of function calculators such as following anti-error key height, including meter Device ontology is calculated, the calculator body includes key, and the key periphery is equipped with the anti-error of annular setting and presses retaining ring, described anti-error The wall thickness for pressing retaining ring is 1-1.5mm, it is described it is anti-error press the cambered surface being equipped at the top of retaining ring to lower recess, it is described that anti-error to press retaining ring downward Upper surface is concordant under normal conditions or is higher than key upper surface 1mm under normal conditions with key for the extreme lower position of the cambered surface of recess, described anti-error Pressing retaining ring is rectangular configuration, and the arcwall face is located at anti-error four vertically arranged top side walls for pressing retaining ring of rectangular configuration, The extreme lower position height of arcwall face on four side walls is consistent.

Preferably, anti-error be integrated by retaining ring with calculator body upper housing is molded or described anti-error Pressing retaining ring and calculator body upper housing is separate structure, is bonded by glue.Using the technical program, made of integrated injection molding Equipment mainly for not producing also, can modify calculator upper shell mould, can be with for the calculator sold It individually produces anti-error by retaining ring with calculator body upper housing separate structure.

Preferably, anti-error retaining ring and the calculator body upper housing pressed is separate structure, the anti-error retaining ring of pressing leads to Cross ABS plastic be molded or it is described it is anti-error formed by retaining ring by iron plate punching, flange cold stamping, including with calculator The bottom plate of ontology upper housing connection, the anti-of bore periphery is arranged in for the through-hole to match with key on bottom plate is arranged in Accidentally press retaining ring.Using the technical program, the high calculator having been sold out can be upgraded, client directly buys and oneself Calculator model it is matched it is anti-error press retaining ring, go back oneself to paste on the high calculator bought before by glue, New equipment is not needed to buy.

Preferably, the anti-error side wall for pressing retaining ring and key edge spacing are 0.5-1mm.For some adjacent relatively close Key, an anti-error side wall for pressing retaining ring is shared between two neighboring key.

Preferably, the key upper surface is equipped with the Keyboard pad of silica gel material.Belong to accessory structure, it can be according to making With requiring to match.

Preferably, being equipped with one or two anti-error side wall for pressing retaining ring between two neighboring key.For some adjacent Closer key shares an anti-error side wall for pressing retaining ring between two neighboring key.

Using the technical program the utility model has the advantages that the calculator keyboard position key periphery finger it is anti-error by protrusion, it is right Each keyboard is protected, and convex barrier is pressed by anti-in finger side, effectively prevent accidentally by, only face-key when, could will be by Key is integrally pressed, and improves computational accuracy, using effect is simple to manufacture, and low in cost, in addition anti-error also act as by retaining ring prevents hand Refer to key exert oneself it is excessive cause keys of computer to damage, the certain barrier effect of opponent's fingering row.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the function calculators such as anti-error key height.

Fig. 2 is the schematic cross-section in Fig. 1 at A-A.

Fig. 3 is the schematic cross-section in Fig. 1 at B-B.

Fig. 4 presses structural schematic diagram between retaining ring and key to be anti-error.

Fig. 5 is that M goes out enlarged drawing in Fig. 2.

Fig. 6 be designed with calculator body upper housing separate structure anti-error press retaining ring structural schematic diagram.

Specific embodiment

For purposes of illustration only, 1-6 with reference to the accompanying drawing, makees specifically the function calculators such as the anti-error key height of utility model It is bright.

Embodiment 1: a kind of function calculators such as anti-error key height, including calculator body 1, the calculator body 1 are wrapped Key 2 is included, 2 periphery of key is equipped with the anti-error of annular setting and presses retaining ring 3, and the anti-error wall thickness for pressing retaining ring 3 is 1- 1.5mm, it is described it is anti-error press the cambered surface 4 being equipped at the top of retaining ring 3 to lower recess, it is described anti-error to press cambered surface 4 of the retaining ring 3 to lower recess Upper surface is concordant under normal conditions or is higher than the upper surface 1mm under normal conditions of key 2 with key 2 for extreme lower position, since human finger is with convex Position out, it by the height of retaining ring is also that can be prevented by arriving using the technical program, first that keytop, which is slightly lower than anti-error, It accidentally presses, second using the anti-error barrier effect also acted as by retaining ring to finger, prevents firmly excessive during finger key, causes Key is more than preset displacement to bottom offset, and caused keyboard damages.

The anti-error retaining ring 3 of pressing is rectangular configuration, is mainly rectangular configuration according to the key majority of current keyboard, if Key is circle, and the described anti-error retaining ring design of pressing is consistent with key, and arcwall face anti-error is intermittently set circular as on retaining ring It sets, the present embodiment uses rectangle key, and anti-error four for pressing retaining ring 3 that the arcwall face is located at rectangular configuration are vertically arranged Top side wall, the extreme lower position height of the arcwall face on four side walls is consistent；It is described anti-error to press retaining ring 3 and calculator sheet 1 upper housing of body be integrated be molded or it is described it is anti-error by retaining ring 3 and 1 upper housing of calculator body be separate structure, pass through Glue bonding；The anti-error side wall for pressing retaining ring 3 and 2 edge spacing of key are 0.5-1mm；It is equipped between two neighboring key 2 One or two anti-error side wall for pressing retaining ring 3.

Embodiment 2: on the basis of embodiment, anti-error retaining ring 3 and 1 upper housing of calculator body pressed is separate structure, It is described it is anti-error be molded by retaining ring 3 by ABS plastic or it is described it is anti-error by retaining ring 3 by iron plate punching, flange cold stamping It forms, including the bottom plate 3.1 being connect with 1 upper housing of calculator body, with for matching on bottom plate 3.1 with key 2 is arranged in Through-hole 3.2, the anti-error by retaining ring 3 of 3.2 periphery of through-hole is set；According to requirements, 2 upper surface of key can also be spread Keyboard pad equipped with silica gel material.

The calculator keyboard position is anti-error by protrusion in key periphery finger, protects to each keyboard, finger side Press convex barrier by anti-, effectively prevent accidentally by, only face-key when, key could integrally be pressed, improve computational accuracy, make With effect, be simple to manufacture, it is low in cost, in addition it is anti-error also acted as by retaining ring prevent finger key exert oneself it is excessive cause calculator by Key damage, the certain barrier effect of opponent's fingering row.

In the above-described embodiments, the preferred forms of the utility model are described, it is obvious that in the utility model Inventive concept under, many variations can be still made, here, it should be noted that being made under the inventive concept of the utility model Any change all will fall within the protection scope of the utility model.

Claims

1. the function calculators such as a kind of anti-error key height, it is characterized in that: including calculator body (1), the calculator body (1) Including key (2), key (2) periphery is equipped with anti-error the pressing retaining ring (3) of annular setting, the anti-error wall for pressing retaining ring (3) Thickness is 1-1.5mm, it is described it is anti-error press the cambered surface (4) being equipped at the top of retaining ring (3) to lower recess, it is described that anti-error to press retaining ring (3) downward Upper surface is concordant under normal conditions or is higher than key (2) upper surface 1mm under normal conditions with key (2) for the extreme lower position of the cambered surface (4) of recess, Described anti-error press retaining ring (3) are rectangular configuration, and anti-error four for pressing retaining ring (3) that the cambered surface (4) is located at rectangular configuration are vertical The extreme lower position height of the top side wall of setting, the cambered surface (4) on four side walls is consistent.

2. function calculators such as anti-error key height according to claim 1, it is characterized in that: it is described it is anti-error press retaining ring (3) with Calculator body (1) upper housing, which is integrated, to be molded or described anti-error by retaining ring (3) and calculator body (1) upper housing For separate structure, bonded by glue.

3. function calculators such as anti-error key height according to claim 2, it is characterized in that: it is described it is anti-error press retaining ring (3) with Calculator body (1) upper housing is separate structure, described anti-error to be molded by retaining ring (3) by ABS plastic or described anti- It is accidentally formed by retaining ring (3) by iron plate punching, flange cold stamping, including the bottom plate being connect with calculator body (1) upper housing (3.1), with the through-hole (3.2) to match with key (2) to be arranged on bottom plate (3.1), it is arranged on through-hole (3.2) periphery It is anti-error to press retaining ring (3).

4. function calculators such as anti-error key height according to claim 1, it is characterized in that: the anti-error retaining ring (3) of pressing Side wall and key (2) edge spacing are 0.5-1mm.

5. the function calculators such as anti-error key height according to claim 1, it is characterized in that: the key (2) upper surface is spread Keyboard pad equipped with silica gel material.

6. the function calculators such as anti-error key height according to claim 1, it is characterized in that: between two neighboring key (2) Equipped with one or two anti-error side wall for pressing retaining ring (3).