CN214376348U

CN214376348U - Computer input device for engineering cost

Info

Publication number: CN214376348U
Application number: CN202120782834.8U
Authority: CN
Inventors: 王英
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-10-08
Anticipated expiration: 2031-04-16

Abstract

The utility model relates to an engineering cost field specifically is a calculation input device for engineering cost, including the keyboard body, the top rear side fixed mounting of keyboard body has the end plate, spacing slot has all been seted up to the preceding lateral wall both sides of keyboard body, the inner chamber of spacing slot is pegged graft and is had spacing inserted block, the top of keyboard body is provided with the housing, the bottom both ends face of housing respectively with two sets of the top fixed connection of spacing inserted block. The utility model discloses a detachable grafting of housing and keyboard body is through housing rear end face and end plate laminating to can prevent effectively that the dust from invading, and then effectively protect the keyboard, easy dismounting is swift moreover, does not influence the use of keyboard, and is comparatively practical, is fit for extensively promoting and using.

Description

Computer input device for engineering cost

Technical Field

The utility model relates to an engineering cost field specifically is an engineering cost uses calculation input device.

Background

The engineering cost specialty is one of hot specialties newly added by education departments according to the requirements of national economy and social development, and is a new subject developed from the building engineering management specialty on the basis of economics, management science and civil engineering. At present, almost all projects from start-up to completion require full-range budgets including start-up budget, project progress fund, project completion settlement and the like, and no matter owners or construction units or third-party cost consulting mechanisms have to possess own core budgeters, so that the demand of project cost professionals is very large, and the development opportunities are wide.

Present engineering cost is when carrying out the budget, often need use the computer to operate, thereby need the keyboard to input various information, present keyboard is at the in-process that uses, need carry out angle regulation, current keyboard often adjusts through the stabilizer blade of keyboard bottom, adjust the precision low, the suitability is poor, and current keyboard is in order to prevent the dust invasion, often protect in arranging the storage case in through with the keyboard, but the dismouting is very inconvenient, and storage case and keyboard fixed connection, thereby when dismantling the top and use the keyboard, because the structure of storage case, the keyboard operation is very inconvenient. Therefore, a project cost calculation input device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a calculation input device for engineering cost 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: a computer input device for engineering cost comprises a keyboard body, wherein an end plate is fixedly arranged on the rear side of the top of the keyboard body;

the keyboard comprises a keyboard body and is characterized in that limiting slots are formed in two sides of the front side wall of the keyboard body, limiting insertion blocks are inserted into inner cavities of the limiting slots in an inserted mode, a cover shell is arranged at the top of the keyboard body, and two end faces of the bottom of the cover shell are fixedly connected with the tops of the two groups of limiting insertion blocks respectively.

As a preferred embodiment of the present invention, the rear end face of the limiting insertion block is fixed with a rubber pad.

As an optimal implementation manner of the utility model, the rear end fixed mounting of keyboard body has the fixed plate, the lead screw has been run through at the top of fixed plate, the tail end fixedly connected with cladding ball of lead screw, the activity of cladding ball is pegged graft in the inner chamber of cladding piece, the bottom fixedly connected with extension board of cladding piece and the bottom veneer of extension board have the cushion.

As an optimized embodiment of the present invention, the bottom four corners of the keyboard body are fixedly mounted with rubber blocks.

As a preferred embodiment of the present invention, the top of the fixing plate is provided with a threaded hole adapted to the screw rod, and the screw rod runs through the threaded hole and the threaded engagement.

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

1. the utility model discloses a calculation input device for engineering cost through the detachable grafting of housing and keyboard body, through housing rear end face and end plate laminating to can effectively prevent the dust invasion, and then effectively protect the keyboard, easy dismounting is swift moreover, does not influence the use of keyboard.

2. The utility model discloses a calculation input device for engineering cost can drive the extension board through rotatory lead screw and carry out the adjusting position to can adjust the inclination of keyboard, adjust the precision height moreover, thereby make keyboard body convenient to use more after adjusting, strong adaptability.

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 schematic view of the overall structure of the electric calculator for construction cost of the present invention;

FIG. 2 is a schematic view of the structure of the housing of the electric calculator input device for construction cost according to the present invention;

fig. 3 is the rear end face structure diagram of the keyboard body of the computer input device for engineering cost of the utility model.

In the figure: 1. a keyboard body; 2. a housing; 3. an end plate; 4. limiting slots; 5. limiting the inserting block; 6. a rubber pad; 7. a fixing plate; 8. a screw rod; 9. coating the ball; 10. coating the block; 11. and (4) a support plate.

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. 1-3, the present invention provides a technical solution: a computer input device for engineering cost comprises a keyboard body 1, wherein an end plate 3 is fixedly arranged on the rear side of the top of the keyboard body 1;

spacing slot 4 has all been seted up to the preceding lateral wall both sides of keyboard body 1, and spacing inserted block 5 has been pegged graft to spacing slot 4's inner chamber, and the top of keyboard body 1 is provided with housing 2, and the bottom both ends face of housing 2 respectively with the top fixed connection of two sets of spacing inserted block 5.

In this embodiment, peg graft through housing 2 and keyboard body 1 to easy dismounting dismantles the back simultaneously, can not influence keyboard body 1 and operates, can effectively prevent dust simultaneously, avoids the dust invasion.

In this embodiment, in order to seal with end plate 3, avoid the dust invasion, the fixed rubber pad 6 that glues of the rear end face of spacing inserted block 5.

In this embodiment, for the convenience of adjusting the inclination of keyboard body 1 and adjust the precision height, the rear end fixed mounting of keyboard body 1 has fixed plate 7, lead screw 8 has been run through at the top of fixed plate 7, the tail end fixedly connected with cladding ball 9 of lead screw 8, cladding ball 9 activity is pegged graft in the inner chamber of cladding piece 10, the bottom fixedly connected with extension board 11 of cladding piece 10 and the bottom veneer of extension board 11 have the cushion, cushion 11 can prevent to appear sliding, cladding ball 9 and cladding piece 10's effect simultaneously, make extension board 11 can level and smooth support in the desktop.

In this embodiment, in order to prevent the whole keyboard body 1 from sliding, the rubber blocks are fixedly mounted at the four corners of the bottom of the keyboard body 1.

In this embodiment, the top of the fixing plate 7 is provided with a threaded hole adapted to the screw rod 8, and the screw rod 8 penetrates through the threaded hole and is in threaded engagement, so that the screw rod 8 can be in threaded drive with the fixing plate 7.

The working principle is as follows: at first peg graft in the spacing slot 4 that corresponds with the spacing inserted block 5 of housing 2 bottom both sides, then promote housing 2 and make the rear end face of housing 2 laminate in the surface of end plate 3, thereby make the 6 laminating end plate 3 of rubber pad, make and to seal, thereby avoid the dust invasion, simultaneously when needs use, directly take out housing 3 from, then rotatory lead screw 8 makes extension board 11 support in the desktop, thereby it carries out angle modulation to drive keyboard body 1, the regulation precision is high, thereby make the angle of slope, more suitable staff uses, make the operation get up convenient and fast more, the device simple structure, and convenient for operation, therefore, the clothes hanger is strong in practicability.

In addition, the utility model relates to a part that engineering cost used electric calculation input device includes is the parts that general standard component or field technician know, its structure and principle all can learn through the technical manual or learn through conventional experimental method for this technical staff, in this device idle department, with all electrical parts in the aforesaid, its control computer and the power that indicates power component, electrical part and adaptation are connected through the wire, concrete connecting means, should refer to in the following theory of operation, electric connection is accomplished to the precedence work order between each electrical part, its detailed connecting means, for field well-known technology, theory of operation and process are mainly introduced in the following, do not explain electrical control.

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

1. The utility model provides a calculation input device for engineering cost, includes keyboard body (1), its characterized in that: an end plate (3) is fixedly arranged on the rear side of the top of the keyboard body (1);

the keyboard comprises a keyboard body (1), and is characterized in that limiting slots (4) are formed in two sides of the front side wall of the keyboard body (1), limiting insertion blocks (5) are inserted into inner cavities of the limiting slots (4), a housing (2) is arranged at the top of the keyboard body (1), and two end faces of the bottom of the housing (2) are fixedly connected with the tops of the two limiting insertion blocks (5) respectively.

2. A construction cost electricity input apparatus according to claim 1, wherein: and a rubber pad (6) is fixedly glued on the rear end face of the limiting insertion block (5).

3. A construction cost electricity input apparatus according to claim 1, wherein: the keyboard comprises a keyboard body (1) and is characterized in that a fixing plate (7) is fixedly mounted at the rear end of the keyboard body (1), a lead screw (8) penetrates through the top of the fixing plate (7), a coating ball (9) is fixedly connected to the tail end of the lead screw (8), the coating ball (9) is movably inserted into an inner cavity of a coating block (10), and a supporting plate (11) is fixedly connected to the bottom of the coating block (10) and the bottom of the supporting plate (11) is glued with a rubber mat.

4. A construction cost electricity input apparatus according to claim 1, wherein: the keyboard body (1) is characterized in that rubber blocks are fixedly arranged at four corners of the bottom of the keyboard body.

5. A construction cost electricity input apparatus according to claim 3, wherein: the top of the fixing plate (7) is provided with a threaded hole matched with the screw rod (8), and the screw rod (8) penetrates through the threaded hole and is in threaded engagement.