CN214278935U - Calculator for engineering budget statistics - Google Patents

Abstract

The utility model relates to a calculator technical field discloses a calculator that engineering budget statistics used, the camera includes a supporting plate, the equal fixedly connected with L type rubber fixed block in both sides about the top of backup pad, two be equipped with the calculator body between the L type rubber fixed block, two all peg graft between the both ends about L type rubber fixed block and have the rubber fixed strip. The utility model discloses a backup pad, the setting of semi-circular notch and elastic fixation bandage, with putting of finger order in the semi-circular notch, then overlap the elastic fixation bandage on the back of the hand, thereby spacing backup pad and calculator body at the hand, make things convenient for operating personnel to take hold the calculator body, thereby can effectively prevent to miss and bump the result that influences the calculation, and thereby take out in can L type rubber fixed block through the rubber fixed strip, further the convenience is dismantled and is installed the calculator body, and is comparatively practical, and is suitable for extensively promoting and using.

Description

Calculator for engineering budget statistics

Technical Field

The utility model relates to a calculator technical field specifically is a calculator that engineering budget statistics used.

Background

Project planning is the planning of the income and expense of a project over a period of time in the future. The calculator is generally an 'electronic calculator', and a handheld machine capable of performing mathematical operations of the calculator has an integrated circuit chip, but has a simple structure, is much simpler than a modern computer, has weaker functions, is more convenient and cheap, can be widely applied to commercial transactions, is one of necessary office supplies, and often needs to be used because engineering budget needs a large amount of calculation data.

In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved: when the existing calculator is used, the existing calculator is inconvenient to hold by hands, and is easy to touch a number key by mistake to influence the result of engineering budget, so that the calculator for engineering budget statistics is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a calculator that engineering budget statistics used has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a calculator that engineering budget statistics used, includes the backup pad, the equal fixedly connected with L type rubber fixed block in both sides about the top of backup pad, two be equipped with the calculator body between the L type rubber fixed block, two all peg graft between the both ends of controlling of L type rubber fixed block and have the rubber fixed strip, four the same semi-circular notches have been seted up to the bottom of backup pad, the bottom fixed connection elastic fixation bandage of backup pad, the inner chamber fixedly connected with battery of backup pad, two the equal fixedly connected with LED bulb of the relative one end of L type rubber fixed block, the top fixed mounting of L type rubber fixed block has the switch, the switch is through battery and LED bulb electric series connection.

As an optimized embodiment of the utility model, four the equal fixedly connected with foam-rubber cushion of inner chamber of semicircular notch.

As a preferred embodiment of the present invention, the supporting plate is a plastic plate.

As an embodiment of the present invention, the charging hole has been opened on the side wall of the supporting plate, and the charging hole is electrically connected in series with the storage battery through a wire.

As a preferred embodiment of the present invention, the side wall of the supporting plate is fixedly connected with a connecting rope, and the connecting rope is fixedly connected with a sealing plug.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model relates to a calculator that engineering budget statistics used, through the backup pad, the setting of semi-circular notch and elastic fixation bandage, with putting in the semi-circular notch of finger order, then overlap the elastic fixation bandage on the back of the hand, thereby spacing at the hand with backup pad and calculator body, make things convenient for operating personnel to hold the calculator body, thereby can effectively prevent to miss and bump the result that influences the calculation, and thereby take out in can L type rubber fixed block through the rubber fixed strip, further the convenience is dismantled and is installed the calculator body.

2. The utility model relates to a calculator that engineering budget statistics was used, through the setting of foam-rubber cushion to can effectively increase operating personnel finger and put the travelling comfort in the semicircular groove mouth.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a top view of a calculator for engineering budget statistics according to the present invention;

fig. 2 is a side view of a calculator for engineering budget statistics according to the present invention.

In the figure: 1. a support plate; 2. a rubber fixing strip; 3. an L-shaped rubber fixing block; 4. a switch; 5. a calculator body; 6. a storage battery; 7. an LED bulb; 8. a semicircular notch; 9. a sponge cushion; 10. elastic fixing bandages; 11. a charging hole; 12. connecting ropes; 13. and (4) sealing the plug.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-2, the present invention provides a technical solution: a calculator for engineering budget statistics comprises a supporting plate 1, wherein the upper side and the lower side of the top of the supporting plate 1 are fixedly connected with L-shaped rubber fixing blocks 3, a calculator body 5 is arranged between the two L-shaped rubber fixing blocks 3, rubber fixing strips 2 are inserted between the left end and the right end of the two L-shaped rubber fixing blocks 3, the bottom of the supporting plate 1 is provided with four identical semicircular notches 8, the bottom of the supporting plate 1 is fixedly connected with an elastic fixing bandage 10, an inner cavity of the supporting plate 1 is fixedly connected with a storage battery 6, the opposite ends of the two L-shaped rubber fixing blocks 3 are fixedly connected with LED bulbs 7, the top of each L-shaped rubber fixing block 3 is fixedly provided with a switch 4, the switch 4 is electrically connected with the LED bulbs 7 in series through the storage battery 6, and the arrangement of the supporting plate 1, the semicircular notches 8 and the elastic fixing bandage 10, put in semi-circular notch 8 with pointing the order, then overlap elastic fixation bandage 10 on the back of the hand to with backup pad 1 and calculator body 5 spacing in hand, make things convenient for operating personnel to hold calculator body 5, thereby can effectively prevent the mistake and bump the result that the influence calculated, and thereby take out in can L type rubber fixed block 3 through rubber fixed strip 2, further convenient dismantles and installs calculator body 5.

In this embodiment (as shown in fig. 2), four equal fixedly connected with foam-rubber cushion 9 of inner chamber of semi-circular notch 8, through the setting of foam-rubber cushion 9 to can effectively increase operating personnel's finger and put travelling comfort in semi-circular notch 8.

In this embodiment (please refer to fig. 1), the supporting plate 1 is a plastic plate, and the weight of the supporting plate 1 can be effectively reduced by the arrangement of the plastic plate, so as to further reduce the weight of the device held by the operator.

In this embodiment (see fig. 2), a charging hole 11 is formed in a side wall of the supporting plate 1, the charging hole 11 is electrically connected in series with the storage battery 6 through a wire, and the storage battery 6 can be conveniently charged through the arrangement of the charging hole 11.

In this embodiment (see fig. 2), a connecting rope 12 is fixedly connected to a side wall of the supporting plate 1, a sealing plug 13 is fixedly connected to the connecting rope 12, and the sealing plug 13 is arranged, so that the charging hole 11 when not in use can be plugged, and the service life of the charging hole 11 is further prolonged.

It should be noted that the utility model relates to a calculator for engineering budget statistics, which comprises a support plate 1, a rubber fixing strip 2, an L-shaped rubber fixing block 3, a switch 4, a calculator body 5, a storage battery 6, an LED bulb 7, a semicircular notch 8, a spongy cushion 9, an elastic fixing bandage 10, a charging hole 11, a connecting rope 12 and a sealing plug 13, wherein the components are all universal standard components or components known by technicians in the field, the structure and principle of the calculator can be known by technical manuals or conventional experimental methods, when in work, fingers are sequentially placed in the semicircular notch 8, then the elastic fixing bandage 10 is sleeved on the back of a hand, so that the support plate 1 and the calculator body 5 are limited on the hand, an operator can conveniently hold the calculator body 5, therefore, the calculation result can be effectively prevented from being influenced by mistaken touch, and the L-shaped rubber fixing block 3 can be taken out through the rubber fixing strip 2, further convenient dismantlement and the installation to calculator body 5, through the setting of foam-rubber cushion 9 to can effectively increase operating personnel and point and put travelling comfort in semi-circular notch 8.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. Calculator for engineering budget statistics, comprising a support plate (1), characterized in that: equal fixedly connected with L type rubber fixed block (3) in both sides about the top of backup pad (1), two be equipped with calculator body (5) between L type rubber fixed block (3), two all peg graft between the both ends of controlling of L type rubber fixed block (3) and have rubber fixed strip (2), four the same semi-circular notch (8) have been seted up to the bottom of backup pad (1), the bottom fixed connection of backup pad (1) has elastic fixed bandage (10), the inner chamber fixedly connected with battery (6) of backup pad (1), two the equal fixedly connected with LED bulb (7) of the relative one end of L type rubber fixed block (3), the top fixed mounting of L type rubber fixed block (3) has switch (4), switch (4) are established ties through battery (6) and LED bulb (7) electrical property.

2. The calculator for engineering budget statistics according to claim 1, wherein: the inner cavities of the four semicircular notches (8) are fixedly connected with sponge cushions (9).

3. The calculator for engineering budget statistics according to claim 1, wherein: the supporting plate (1) is a plastic plate.

4. The calculator for engineering budget statistics according to claim 1, wherein: charging holes (11) are formed in the side wall of the supporting plate (1), and the charging holes (11) are electrically connected with the storage battery (6) in series through conducting wires.

5. The calculator for engineering budget statistics according to claim 1, wherein: the side wall of the supporting plate (1) is fixedly connected with a connecting rope (12), and the connecting rope (12) is fixedly connected with a sealing plug (13).

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