CN2475993Y

CN2475993Y - Multifunctional levelling rod

Info

Publication number: CN2475993Y
Application number: CN 01239440
Authority: CN
Inventors: 沈永康
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-05-18
Filing date: 2001-05-18
Publication date: 2002-02-06
Anticipated expiration: 2011-05-18

Abstract

The utility model relates to the technology field of a multiple functions level ruler which is designed for the convenience of the measurement. comprising: a level ruler body, a level bubble and a steel tape, which is characterized in that the said level ruler body includes a main ruler body and a secondary ruler body, the middle of the secondary ruler body is empty which can accommodate the main ruler. The secondary ruler body and the main ruler body is connected and fixed by the shaft active type on the side far from the steel tape, inside the main ruler body, the gears of the shaft connect and drive the synchronous belt wheel by the gear transmission mechanism. A belt is installed between the synchronous belt wheel and the idle wheel which can change the angle of the main ruler and secondary ruler into the digital display, a display window is installed on the main ruler body correspondingly which is supplied to read the angle number. The utility model has advantages of reasonable structure, convenient use and multiple functions, suitable for the popularization and application in the level ruler.

Description

Multifunction level meter

The utility model relates to the especially technical field of multifunction level meter of a kind of survey instrument.

Development along with society, construction work is had higher requirement, more because the bigger industry characteristic of building operation flowability, customer requirement can have a kind of multi-functional, and it is easy to carry, the product that adaptability is stronger emerges, and general traditional multifunction level meter has been difficult to satisfy user's demand.It as the patent No. 98238695.8 Chinese patent " multifunction level meter ", this multifunction level meter, comprise that by a cross section be rectangular strip chi plate, be respectively equipped with air level and constitute on a side end face of the upper surface middle part of this chi plate and chi plate, its technical characterictic is to be carved with the size scale line on the upper surface of this chi plate; End side internal fixation at the chi plate is provided with a tape measure; The anterior end surface of chi plate is provided with a level inclination measuring appliance that is made of automatic vertical needle of Weight type and the angle dial that is mated; On the anterior end surface of chi plate, also be provided with a compass, promptly be provided with the grid azimuth measuring appliance that constitutes by compass pointer and the rotating angle dial that is mated.It as the patent No. 00203250.3 Chinese patent " comprehensive surveyor's staff ", it comprises chi body, base and airtight container, airtight container is transparent circle and lacks shape, be fixed on the base and embed on the chi body, adorn liquid in the airtight container and leave minute bubbles, there is a centre mark at the center, outside, the inclined-plane subscript angle index of base indent.Can measure the horizontal sextant angle of any oblique line, and can once measure surface level, simple in structure, easy and simple to handle, and cost is low, and intuitive and reliable.All there are some shortcomings in they, as the intuitive that takes measurement of an angle is poor, need coil quarter with automatic vertical needle and angle to cooperate or bubble cooperates with angle index and could use, and use not really convenient and swift.Function is also less, generally only takes measurement of an angle, and levelness, verticality, length etc., and do not have the compasses function.

Primary and foremost purpose of the present utility model just is that providing a kind of at above-mentioned prior art present situation can directly show angle, measures fast multifunction level meter easy to use.

Second purpose of the present utility model is to provide a kind of have compasses function, multifunction level meter easy to carry.

Primary and foremost purpose of the present utility model is achieved in that this multifunction level meter, it includes surveyor's staff chi body, air level, steel tape, at surveyor's staff chi body one end steel tape is housed, surveyor's staff chi body also is equipped with air level simultaneously, it is characterized in that described surveyor's staff chi body is divided into main scale body and secondary chi body, in the middle of the secondary chi body is empty, can hold the main scale body hide into, and at a end away from steel tape, secondary chi body and main scale body adopt movable being connected and fixed of axle, in the main scale body, this axle cogs and connects the drive synchronous pulley by gear drive, have between synchronous pulley and the idle pulley angle angle between main scale body and the secondary chi body is converted into the belt that numeral shows, on the main scale body, have display window accordingly for people's reading angular numeral.

Second purpose of the present utility model is achieved in that it is on above-mentioned basis, be fixed with fixed block at secondary chi end of body, the fixed block side has containing hole, built-in scriber, end face socket connection cover plate then, the opening of pulling out for steel tape is opened in the fixed block another side, have the jack that inserts for scriber at fixed block and steel tape end face, their rear side has screw, cooperate with the mounting hole of major-minor chi body side surface, with screw fixed block and steel tape are fixed on the secondary main scale body, can cooperate with scriber in the jack again simultaneously, their tightenings can be lived.

Multifunction level meter of the present utility model has the following advantages, it can directly read the angle number of degrees that the major-minor chi presents in the display window of main scale body, measure quick, easy to use, and production and assembly are convenient, measuring accuracy is better, can eliminate the degree of tightness error of the play and the belt of gear, and can measure surface level, vertical plane, and use tape measure length, designed the compasses function especially, easy to use, each annex is easy to carry, and the reasonable in design compactness is adapted at applying on the multifunction level meter.

Description of drawings.

The schematic appearance of Fig. 1 multifunction level meter;

The front view of Fig. 2 multifunction level meter (folded position);

The partial sectional view of Fig. 3 multifunction level meter;

The connection cut-open view of Fig. 4 major-minor chi body;

The cut-open view of Fig. 5 fixed block.

Below in conjunction with description of drawings embodiment of the present utility model is described in further detail.

Anticipate as shown in the figure, this kind multifunction level meter, it includes surveyor's staff chi body, air level, steel tape 6, at surveyor's staff chi body one end steel tape 6 is housed, surveyor's staff chi body also is equipped with air level simultaneously, air level is divided into horizontal levelling bubble 3 and vertical air level 4 again, outside surface table scale length scale at the chi body, to be convenient for measuring length, these are much the same as traditional multifunction level meter, here no longer be described in detail, its special character is surveyor's staff chi body is divided into main scale body 1 and secondary chi body 2, the main scale body is the tubing of mesopore, the cross section is rectangular, secondary chi body is made up of both sides side plate 17, and the centre is empty, can hold the main scale body, and allow it hide into, at the end away from steel tape, secondary chi body and main scale body adopt movable being connected and fixed of axle, and its structure is lined with friction disc 18 for axle place surface of contact between main scale body and secondary chi body, pass with one 14, this axle one end becomes fixed head simultaneously, other end system external thread, and a knob 15 is threaded, when tightening knob, can lock the angle of main scale body and secondary chi body, be convenient for measuring angle, and when unclamping knob, main scale body and secondary chi body can be amounted to, be convenient for carrying.In the main scale body, this axle cogs and is joint shaft gear, joint shaft gear is by the annular wheel on the spline connection driving gear 13, driving gear again with duplicate gear 12 on pinion, and the pinion on the gear wheel of duplicate gear 12 and the synchronous pulley 11, being mounted with simultaneously paired clamping plate 9 in main scale body 1 keeps relative position to be fixed on the main scale body each gear, this fixed sturcture is realized on producing easily, connect drive synchronous pulley 11 by the said gear gear train, have between synchronous pulley 11 and the idle pulley 7 the angle angle between main scale body and the secondary chi body is converted into the belt 8 that numeral shows, on the main scale body, have display window 16 accordingly for people's reading angular numeral, to be convenient for people to read numeral, so it measures quick, and is easy to use.In order to improve the precision of measurement, cup spring 10 is arranged to be used for eliminating the gear play between synchronous pulley 11 and its stationary shaft, and idle pulley 7 fixing oneself clamping plate and fix the garden post spring 21 that is provided with nervous belt between the clamping plate of each gear, make belt keep certain tensity, to reduce error.The location of main scale body and secondary chi body is folding for convenience, and the main scale body has register pin 24 in an abaxial end side surface, has the opening locating slot 23 that cooperates with register pin accordingly on the side of secondary chi body.Itself also has the compasses function, its structure is such, secondary chi end of body is fixed with plastics fixed block 19, the fixed block side has two containing holes, built-in two scribers 5 different in size of difference, end face socket connection cover plate 20 then, the opening 22 of pulling out for steel tape is opened in the fixed block another side, have the jack 25 that inserts for scriber at fixed block and steel tape end face, their rear side has screw, cooperates with the mounting hole of major-minor chi body side surface, with screw fixed block and steel tape is fixed on the secondary main scale body, can cooperate with scriber in the jack again simultaneously, their tightenings can be lived.So this project organization compactness, parts are easy to carry.Chi body material adopts aluminum alloy materials, and surface plastic spraying is both artistic and practical.

Claims

1, a kind of multifunction level meter, it includes surveyor's staff chi body, air level, steel tape (6), at surveyor's staff chi body one end steel tape is housed, surveyor's staff chi body also is equipped with air level simultaneously, it is characterized in that described surveyor's staff chi body is divided into main scale body (1) and secondary chi body (2), in the middle of the secondary chi body is empty, can hold the main scale body hide into, and at a end away from steel tape, secondary chi body and main scale body adopt movable being connected and fixed of axle, in the main scale body, this axle cogs and connects drive synchronous pulley (11) by gear drive, have between synchronous pulley and the idle pulley (7) the angle angle between main scale body and the secondary chi body is converted into the belt (8) that numeral shows, on the main scale body, have display window (16) accordingly for the reading angular numeral.

2, multifunction level meter as claimed in claim 1, it is characterized in that described gear drive is that gear is a joint shaft gear, joint shaft gear connects annular wheel on the driving gear (13) by spline, driving gear again with duplicate gear (12) on pinion, and the pinion on the gear wheel of duplicate gear and the synchronous pulley (11) is mounted with paired clamping plate (9) simultaneously and keeps relative position to be fixed on the main scale body each gear in the main scale body.

3, multifunction level meter as claimed in claim 2 is characterized in that the cup spring (10) that is used for eliminating the gear play is arranged between described synchronous pulley (11) and its stationary shaft.

4, multifunction level meter as claimed in claim 2, it is characterized in that described idle pulley (7) its fixing oneself clamping plate and fix the garden post spring (21) that is provided with nervous belt between the clamping plate of each gear.

5, multifunction level meter as claimed in claim 1, it is characterized in that being lined with friction disc (18) at axle place surface of contact between described main scale body (1) and the secondary chi body (2), this axle one end axle head becomes fixed head simultaneously, another axle head system external thread, and a knob (15) is threaded.

6, multifunction level meter as claimed in claim 1 is characterized in that described main scale body (1) has register pin (24) in an abaxial end side surface, has the opening locating slot (23) that cooperates with register pin accordingly on the side of secondary chi body.

7, multifunction level meter as claimed in claim 1, it is characterized in that described secondary chi body (2) end is fixed with fixed block (19), the fixed block side has containing hole, built-in scriber (5), end face socket connection cover plate (20) then, the opening (22) of pulling out for steel tape is opened in the fixed block another side, have the jack that inserts for scriber at fixed block and steel tape end face, their rear side has screw, cooperate with the mounting hole of major-minor chi body side surface, with screw fixed block and steel tape are fixed on the secondary main scale body, can cooperate with scriber in the jack again simultaneously, their tightenings can be lived.

8, multifunction level meter as claimed in claim 1 is characterized in that last setting of described main scale body (1) is fixed with horizontal levelling bubble (3) and vertical air level (4), and the external face of secondary chi is marked with the length scale.