CN208477521U - A kind of project cost special calculator - Google Patents

Abstract

The utility model discloses a kind of project cost special calculators, including calculator body, fixed block is fixedly connected at the top of the calculator body, the quantity of the fixed block is two, the opposite face of two fixed blocks offers threaded hole, the internal activity of the threaded hole is connected with shaft, the surface activity of the shaft is socketed with male-pipe, the male-pipe is threaded in the inside of threaded hole, the surface of the male-pipe offers through slot, the surface fixing sleeve of the shaft is connected to lid, the lid is located at the centre of two fixed blocks, the lid is overlapped on the front of calculator body, the front of the calculator body opens up fluted, the bottom of the groove inner wall is fixedly connected with spring.By setting shaft, male-pipe, spring and gag lever post, solve the problems, such as that the lid of project cost special calculator is separated with calculator body causes to be not easy to protect keys of computer the utility model.

Description

A kind of project cost special calculator

Technical field

The utility model relates to calculator technical field, specially a kind of project cost special calculator.

Background technique

Project cost, which refers to, carries out the full payment that a certain engineering construction is spent, and core content is investment estimate, sets Budgetary estimate, amendment budgetary estimate, working drawing budget, Engineering Settlement and budget needed for the completion of projects etc. are counted, the staff for being engaged in project cost commonly uses Calculating instrument be exactly calculator.

When the expense for calculating project cost calculates, staff can carry calculator, in order to avoid key is worn, So there is lid, the lid of most of calculator is separated with calculator in the prior art, is easy to be missed, keys of computer is then It cannot be protected.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of project cost special calculator, solves engineering The lid of cost special calculator is separated with calculator body leads to be not easy to the problem of protecting keys of computer.

(2) technical solution

To achieve the above object, the utility model provides the following technical solutions: a kind of project cost special calculator, including Calculator body is fixedly connected with fixed block at the top of the calculator body, and the quantity of the fixed block is two, two institutes The opposite face for stating fixed block offers threaded hole, and the internal activity of the threaded hole is connected with shaft, the surface of the shaft Movable sleeve is connected to male-pipe, and the male-pipe is threaded in the inside of threaded hole, and the surface of the male-pipe opens up There is through slot, the surface fixing sleeve of the shaft is connected to lid, and the lid is located at the centre of two fixed blocks, the lid overlap joint In the front of calculator body, the front of the calculator body opens up fluted, and the bottom of the groove inner wall is fixedly connected There is spring, the inner wall of the groove and the surface activity of motion bar connect, and the bottom of the motion bar offers circular hole, the bullet Spring is fixedly connected on the top of circular-hole internal-wall, and the surface of the spring is flexibly connected with the inner wall of circular hole, and the lid is overlapped on The bottom of the top of motion bar, the lid and calculator body has been respectively fixedly connected with buckle.

Preferably, the front of the lid is fixedly connected with rubber pad, and the rubber pad is located at the surface of buckle.

Preferably, the back side of the lid is fixedly connected with pellosil, and the back side of the pellosil offers key slot.

Preferably, the shape of the threaded hole front elevational view is isosceles trapezoid, and the quantity of the through slot is six.

Preferably, the quantity of the spring and motion bar is two, and two springs and motion bar are respectively in terms of Vertical line where calculating device body central is that symmetry axis is symmetrical.

(3) beneficial effect

The utility model provides a kind of project cost special calculator, have it is following the utility model has the advantages that

(1), the utility model is by setting shaft, male-pipe, spring and gag lever post, when using calculator, by two A buckle separation drives motion bar to pop up, lid is driven to pop up by the spring reset that lid squeezes, lid overturning, If just turning male-pipe to the inside of threaded hole to allowing lid slowly to overturn, the inner wall of threaded hole is opened up to be round table-like, Inside diameter is less than the diameter of male-pipe, extruding of the screwed pipe by threaded hole, and the male-pipe that surface has opened up through slot is received Contracting, jam-packed shaft, when lid is bounced, flip angle becomes smaller, and has achieved the effect that be easy to use and place lid, has solved work The lid of journey cost special calculator is separated with calculator body leads to be not easy to the problem of protecting keys of computer.

(2), the utility model is by setting pellosil and rubber pad, and in lid overturning, lid front falls in desktop appearance Easy damaged, rubber pad can prevent from damaging, and pellosil is covered on the surface of key, avoid the friction between lid and key, Achieve the effect that protect key and lid.

Detailed description of the invention

Fig. 1 is the utility model front view；

Fig. 2 is the utility model top cross-sectional view；

Fig. 3 is front elevational view at the utility model male-pipe position；

Fig. 4 is rearview at the utility model position of cap；

Fig. 5 is that figure is cutd open on the right side at the utility model male-pipe position；

Fig. 6 is front view at the utility model male-pipe position；

Fig. 7 is schematic enlarged-scale view at A in the utility model Fig. 1.

In figure: 1 calculator body, 2 fixed blocks, 3 threaded holes, 4 shafts, 5 male-pipes, 6 through slots, 7 lids, 8 grooves, 9 Spring, 10 motion bars, 11 circular holes, 12 buckles, 13 rubber pads, 14 pellosils, 15 key slots.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in figures 1 to 6, the utility model provides a kind of technical solution: a kind of project cost special calculator, including meter Device ontology 1 is calculated, the top of calculator body 1 is fixedly connected with fixed block 2, and fixed block 2 is stationarily connected to the top of calculator body 1 The unit of plastic in portion, the quantity of fixed block 2 are two, and the opposite face of two fixed blocks 2 offers threaded hole 3,3 inner wall of threaded hole Shape it is in a circular table shape, threaded hole 3 closer to the opposite face of two fixed blocks 2 position diameter with regard to smaller, the inside of threaded hole 3 It is connected with shaft 4, the surface activity of shaft 4 is socketed with male-pipe 5, and male-pipe 5 is round tube made of plastics, outer spiral shell Line pipe 5 is threaded in the inside of threaded hole 3, and the surface of male-pipe 5 offers through slot 6, opens up the male-pipe of through slot 6 5 is deformable, and the shape of 3 front elevational view of threaded hole is isosceles trapezoid, the position small closer to the diameter to threaded hole 3 of male-pipe 5, Male-pipe 5 shrinks smaller, and shaft 4 is tighter, and the quantity of through slot 6 is six, and the surface fixing sleeve of shaft 4 is connected to lid 7, lid Son 7 is located at the centre of two fixed blocks 2, and lid 7 is overlapped on the front of calculator body 1, and the front of calculator body 1 offers Groove 8, the bottom of 8 inner wall of groove are fixedly connected with spring 9, and lid 7 covers at the front of calculator body 1 spring 9 by lid 7 Squeeze and be in contraction state, the inner wall of groove 8 connect with the surface activity of motion bar 10, motion bar 10 when spring 9 bounces not Outside being exposed to, the quantity of spring 9 and motion bar 10 is two, and two springs 9 and motion bar 10 are respectively with calculator Vertical line where 1 center of ontology is that symmetry axis is symmetrical, and the bottom of motion bar 10 offers circular hole 11, and spring 9 is fixed to be connected It connects at the top of 11 inner wall of circular hole, the surface of spring 9 is flexibly connected with the inner wall of circular hole 11, and lid 7 is overlapped on motion bar 10 The bottom of top, lid 7 and calculator body 1 has been respectively fixedly connected with buckle 12, and buckle 12 is two pole compositions, pole Bottom is set as spherical shape, and when the two, which is staggered, to be overlapped, buckle 12, which becomes, to be stuck, and the front of lid 7 is fixedly connected with rubber pad 13, rubber pad 13 can play buffer function when front is fallen on desk after lid is overturn, and rubber pad 13 is located at buckle 12 Surface, the back side of lid 7 are fixedly connected with pellosil 14, and the back side of pellosil 14 offers key slot 15, key slot 15 with Key is adapted, protect key not with lid friction.

When in use, when shaft 4 loosens, the buckle 12 being connected together is separated, is answered by the spring 9 that lid 7 squeezes Position drives motion bar 10 to pop up, and lid 7 is driven to pop up, and front directly falls in desktop after lid 7 is overturn, and lid 7 is just Face falls in desktop and is easy to damage, and rubber pad 13 can prevent from damaging, if to allow lid 7 slowly overturn, just by male-pipe 5 to The inside of threaded hole 3 turns, and the inner wall of threaded hole 3 opens up to be round table-like, and inside diameter is less than the diameter of male-pipe 5, outer spiral shell Extruding of the line pipe 5 by threaded hole 3, surface have opened up the male-pipe 5 of through slot 6 to contract, and shaft 4 is by jam-packed, no longer pine Dynamic, when lid 7 is bounced, flip angle becomes smaller, and staff just digs lid 7, lid 7 cover calculator body 1 just When face, pellosil 14 is covered on the surface of key, avoids the friction between lid 7 and key.

It can to sum up obtain, the utility model solves engineering by setting shaft 4, male-pipe 5, spring 9 and gag lever post 10 The lid of cost special calculator is separated with calculator body 1 leads to be not easy to the problem of protecting keys of computer.

It should be noted that, in this document, such as the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of project cost special calculator, including calculator body (1), it is characterised in that: the calculator body (1) Top is fixedly connected with fixed block (2), and the quantity of the fixed block (2) is two, and the opposite face of two fixed blocks (2) is equal It offers threaded hole (3), the internal activity of the threaded hole (3) is connected with shaft (4), the surface activity set of the shaft (4) It is connected to male-pipe (5), the male-pipe (5) is threaded in the inside of threaded hole (3), the table of the male-pipe (5) Face offers through slot (6), and the surface fixing sleeve of the shaft (4) is connected to lid (7), and the lid (7) is located at two fixed blocks (2) centre, the lid (7) are overlapped on the front of calculator body (1), and the front of the calculator body (1) offers The bottom of groove (8), groove (8) inner wall is fixedly connected with spring (9), the inner wall of the groove (8) and motion bar (10) Surface activity connection, the bottom of the motion bar (10) offers circular hole (11), and the spring (9) is fixedly connected on circular hole (11) surface at the top of inner wall, the spring (9) is flexibly connected with the inner wall of circular hole (11), and the lid (7) is overlapped on work The bottom of the top of lever (10), the lid (7) and calculator body (1) has been respectively fixedly connected with buckle (12).

2. a kind of project cost special calculator according to claim 1, it is characterised in that: the front of the lid (7) It is fixedly connected with rubber pad (13), the rubber pad (13) is located at the surface of buckle (12).

3. a kind of project cost special calculator according to claim 1, it is characterised in that: the back side of the lid (7) It is fixedly connected with pellosil (14), the back side of the pellosil (14) offers key slot (15).

4. a kind of project cost special calculator according to claim 1, it is characterised in that: the threaded hole (3) is just being cutd open The shape of figure is isosceles trapezoid, and the quantity of the through slot (6) is six.

5. a kind of project cost special calculator according to claim 1, it is characterised in that: the spring (9) and activity The quantity of bar (10) is two, and two springs (9) and motion bar (10) are respectively with calculator body (1) center place Vertical line be symmetry axis it is symmetrical.