CN208805123U - A kind of land surveying tape measure - Google Patents

Abstract

The utility model discloses a kind of land surveying tape measures, including shell, one end of the shell is connected with box body, and the lower part of the shell other end is arranged with line outlet, offers sliding slot on the shell above line outlet, sliding block is connected on sliding slot, sliding block runs through sliding slot, and one end that sliding block is placed in hull outside is connected with pushing block, and one end that sliding block is placed in enclosure interior is connected with fixture block, enclosure interior is equipped with rotary column close to one end of box body, and the surface of rotary column is connected with roller.This land surveying tape measure is connected with gear by groove engagement, roller is connect with gear, and connect rotary encoder by gear, rotary encoder follows roller to rotate and rotate, and engages the mode of connection, accuracy is higher, ruler rope is pulled, then roller will rotate, and guarantee the accuracy of data；Second positioning ring is uniformly placed in box body, when use takes out, and does not influence the use of ruler rope, while can also increase the number of the second positioning ring, using flexible as needed.

Description

A kind of land surveying tape measure

Technical field

The utility model relates to land surveying technical field, specially a kind of land surveying tape measure.

Background technique

When carrying out land surveying, tape measure in the prior art is primarily present following defect: 1) land surveying is mostly open air Operation, environment is poor and needs dilatory tape, easy to wear using the scale in rear tape for a long time, influences to read；2) due to ruler It takes and needs with scale, so tape to be made into flat long ribbon shape, expend material and increases the weight of entire tape measure, increase The burden of survey crew, in addition, easily-deformable using rear tape for a long time and then influence measurement accuracy；3) in land surveying, have When need to measure one section tens meters of distance, the range of existing tape measure is difficult to reach, although some tape measures can reach the range, Also it is difficult to ensure that tape is indeformable in long range measurements, measurement result is unreliable；4) do not exist in measurement sometimes for measurement Distance between multiple points on same straight line, or needs measure when having the length of camber line of certain radian, use existing volume Ruler needs survey crew constantly to position and run, and measurement accuracy is also difficult to guarantee.

Chinese patent CN202470927U discloses a kind of land surveying tape measure, which includes the box body equipped with opening Be rotatably installed in the intracorporal transfer roller of box, rotatable driving wheel is installed in box body, be wound on transfer roller one end be fixed on turn The other end extends outwardly around driving wheel and finally stretches out the ruler rope of box body on roller, be equipped in box body can rotation to driving wheel into The rotary encoder of link synchronization tracing, driving wheel include main driving wheel and auxiliary driving wheel, and ruler rope successively bypasses main driving wheel and pair Driving wheel simultaneously stretches out box body eventually by outlet；Box body is externally provided with ruler rope positioning mechanism；Ruler rope positioning mechanism includes covering in ruler rope On multiple secondary positioning rings and the master positioning ring that is fixed on ruler rope overhanging end.The structure is simple, deft design, and measurement accuracy is high And range is big, is very suitable for use when land surveying.

Although this application solves the problems in background technique to a certain extent, ruler rope successively bypasses main driving wheel With auxiliary driving wheel and eventually by outlet stretch out box body, pull ruler rope when, main driving wheel if it happens block or there is no Rotation, then cannot accurately calculate distance, while positioning ring is through on ruler rope, when not in use, will affect use, while master positioning ring It is fixed on the connection of ruler rope two, when needing to increase positioning ring, it has not been convenient to increase it.

Utility model content

The purpose of this utility model is to provide a kind of land surveying tape measures, have and calculate accurately, facilitate positioning, use Flexible advantage, solves the problems of the prior art.

To achieve the above object, the utility model provides the following technical solutions: a kind of land surveying tape measure, including shell Body, one end of the shell are connected with box body, and the lower part of the shell other end is arranged with line outlet, open on the shell above line outlet Equipped with sliding slot, sliding block is connected on sliding slot, sliding block runs through sliding slot, and one end that sliding block is placed in hull outside is connected with pushing block, One end that sliding block is placed in enclosure interior is connected with fixture block, and enclosure interior is equipped with rotary column, the surface of rotary column close to one end of box body Be connected with roller, the enclosure interior of rotary column side is equipped with IC chip, be separately installed on the shell above IC chip clearing by Button and display screen, the both ends of the roller are connected separately with first baffle and second baffle, and connection in one week of second baffle is with teeth Line, groove engagement are connected with gear, ruler rope are wound on the roller between first baffle and second baffle, one end of ruler rope is fixed On roller, the other end of ruler rope runs through line outlet, and extends to the outside of shell, and ruler rope is placed in one end connection of hull outside There is the first positioning ring, the gear is movably connected in the inside of shell, and gear is connected with rotation far from the side engagement of groove and compiles Code device, the rotary encoder are fixed on the inside of shell, and rotary encoder and IC chip are electrically connected, the tray interior Deck is connected on bottom surface, engaging has the second positioning ring on deck.

Preferably, the reset button and display screen are electrically connected with IC chip.

Preferably, the line outlet is connected with conduit close to one end of enclosure interior, and one end of conduit extends to roller The lower section of cylinder.

Preferably, the conduit, which is located on the position below fixture block, offers jack.

Preferably, the roller is equipped with rolling-up mechanism.

Preferably, the diameter of second positioning ring is greater than the diameter of the first positioning ring.

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

1, this land surveying tape measure is connected with gear by groove engagement, roller is connect with gear, and pass through gear Rotary encoder is connected, rotary encoder follows roller to rotate and rotate, engages the mode of connection, and accuracy is higher, pulls ruler Rope, then roller will rotate, and guarantee the accuracy of data.

2, the second positioning ring is uniformly placed in box body by this land surveying tape measure, and when use takes out, and does not influence ruler rope Use, while can also increase the number of the second positioning ring as needed, the diameter of using flexible, the second positioning ring is greater than first Positioning ring, it is easy for installation.

Detailed description of the invention

Fig. 1 is the overall structure figure of the utility model；

Fig. 2 is the roller installation diagram of the utility model.

In figure: 1, shell；11, line outlet；12, sliding slot；13, sliding block；14, pushing block；15, fixture block；16, rotary column；17, it resets Button；18, display screen；19, conduit；2, box body；21, deck；22, the second positioning ring；3, roller；31, first baffle；32, Second baffle；33, groove；34, ruler rope；35, the first positioning ring；4, IC chip；5, gear；6, rotary encoder.

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.

A kind of land surveying tape measure referring to FIG. 1-2, including shell 1, one end of shell 1 are connected with box body 2, shell 1 The lower part of the other end is arranged with line outlet 11, offers sliding slot 12 on the shell 1 of 11 top of line outlet, is flexibly connected on sliding slot 12 There is sliding block 13, sliding block 13 runs through sliding slot 12, and one end that sliding block 13 is placed in outside shell 1 is connected with pushing block 14, and sliding block 13 is placed in shell One end inside body 1 is connected with fixture block 15, and pushing block 14 controls sliding block 13 and moves up and down, for driving fixture block 15 to move up and down, Gu The position of scale rope 34,1 inside of shell are equipped with rotary column 16 close to one end of box body 2, and the surface of rotary column 16 is connected with roller 3, IC chip 4 is installed inside the shell 1 of 16 side of rotary column, is separately installed with 17 He of reset button on the shell 1 of 4 top of IC chip Display screen 18, reset button 17 and display screen 18 are electrically connected with IC chip 4, are respectively used to clearing and display distance, roller 3 Both ends be connected separately with first baffle 31 and second baffle 32, limit the winding position of ruler rope 34, one week of second baffle 32 It is connected with groove 33, the engagement of groove 33 is connected with gear 5, is wound on the roller 3 between first baffle 31 and second baffle 32 Ruler rope 34, one end of ruler rope 34 are fixed on roller 3, and roller 3 is equipped with rolling-up mechanism, and return wind spring automatic winding can be used, Settable hand crank is wound manually, and the other end of ruler rope 34 runs through line outlet 11, and extends to the outside of shell 1, out The one end of line mouth 11 inside shell 1 is connected with conduit 19, and one end of conduit 19 extends to the lower section of roller 3, conducting wire Pipe 19 is used to limit the position of ruler rope 34, and conduit 19, which is located on the position of 15 lower section of fixture block, offers jack, and fixture block 15 moves down When run through jack, ruler rope 34 can be compacted, the position of fixed ruler rope 34 places accidentally to draw and causes to calculate apart from mistake, and ruler rope 34 is set One end outside shell 1 is connected with the first positioning ring 35, and gear 5 is movably connected in the inside of shell 1, and roller gear 5 is far from tooth The side engagement of line 33 is connected with rotary encoder 6, and when ruler rope 34 being pulled to measure, roller 3 can be rotated, band moving gear 5 with With rotation, while rotary encoder 6 rotates, and rotary encoder 6 is fixed on the inside of shell 1, rotary encoder 6 and IC chip 4 It is electrically connected, IC chip 4 is rotated according to rotary encoder 6 calculates the length for pulling out ruler rope 34, calculating distance, inside box body 2 Deck 21 is connected on bottom surface, engaging has the second positioning ring 22 on deck 21, and the diameter of the second positioning ring 22 is greater than the first positioning The diameter of ring 35, the second positioning ring 22 are placed in box body 2, and when use takes out, and do not influence the use of ruler rope 34, while can root According to the number for needing peace to wear the second positioning ring 22, using flexible.

The course of work: in use, pulling out ruler rope 34 by the first positioning ring 35, roller 3 can be rotated, band moving gear 5 Rotation being followed, while rotary encoder 6 rotates, IC chip 4 is rotated according to rotary encoder 6 calculates the length for pulling out ruler rope 34, Calculate distance, display screen 18 presents the data to user, under pushing block 14 control sliding block 13 and move up and down, for driving fixture block 15 move up and down, the position of fixed ruler rope 34, after use, are cleared data by reset button 17, and multiple spot broken line is needed to survey When amount, the second positioning ring 22 can be taken out, be inserted on ruler rope 34 from one end of the first positioning ring 35, be easy to use positioning.

In summary: this land surveying tape measure is connected with gear 5 by the engagement of groove 33, roller 3 and gear 5 is connected It connecing, and rotary encoder 6 is connected by gear 5, rotary encoder 6 follows roller 3 to rotate and rotate, engages the mode of connection, Accuracy is higher, pulls ruler rope 34, then roller 3 will rotate, and guarantee the accuracy of data；By the unified placement of the second positioning ring 22 In box body 2, when use, is taken out, and does not influence the use of ruler rope 34, while can also increase of the second positioning ring 22 as needed Number, using flexible, the diameter of the second positioning ring 22 is greater than the first positioning ring 35, easy for installation.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, 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 (6)

1. a kind of land surveying tape measure, including shell (1), it is characterised in that: one end of the shell (1) is connected with box body (2), the lower part of shell (1) other end is arranged with line outlet (11), offers sliding slot on the shell (1) above line outlet (11) (12), it is connected with sliding block (13) on sliding slot (12), sliding block (13) runs through sliding slot (12), and sliding block (13) is placed in shell (1) outside The one end in portion is connected with pushing block (14), and sliding block (13) is placed in the internal one end of shell (1) and is connected with fixture block (15), in shell (1) Portion is equipped with rotary column (16) close to one end of box body (2), and the surface of rotary column (16) is connected with roller (3), rotary column (16) side It is equipped with IC chip (4), reset button (17) is separately installed on the shell (1) above IC chip (4) and shows inside shell (1) Display screen (18), the both ends of the roller (3) are connected separately with first baffle (31) and second baffle (32), second baffle (32) It is connected within one week groove (33), groove (33) engagement is connected with gear (5), between first baffle (31) and second baffle (32) It is wound on roller (3) ruler rope (34), one end of ruler rope (34) is fixed on roller (3), and the other end of ruler rope (34) is through out Line mouth (11), and the outside of shell (1) is extended to, ruler rope (34) is placed in the external one end of shell (1) and is connected with the first positioning ring (35), the gear (5) is movably connected in the inside of shell (1), and gear (5) is connected with rotation far from the side engagement of groove (33) Turn encoder (6), the rotary encoder (6) is fixed on the inside of shell (1), and rotary encoder (6) and IC chip (4) are electrically Connection, the box body (2) are connected with deck (21) on internal bottom surface, and engaging has the second positioning ring (22) on deck (21).

2. a kind of land surveying tape measure according to claim 1, it is characterised in that: the reset button (17) and display Shield (18) to be electrically connected with IC chip (4).

3. a kind of land surveying tape measure according to claim 1, it is characterised in that: the line outlet (11) is close to shell (1) internal one end is connected with conduit (19), and one end of conduit (19) extends to the lower section of roller (3).

4. a kind of land surveying tape measure according to claim 3, it is characterised in that: the conduit (19) is located at fixture block (15) jack is offered on the position below.

5. a kind of land surveying tape measure according to claim 1, it is characterised in that: the roller (3) is equipped with winder Structure.

6. a kind of land surveying tape measure according to claim 1, it is characterised in that: second positioning ring (22) it is straight Diameter is greater than the diameter of the first positioning ring (35).