CN214540034U

CN214540034U - Handheld electronic range finder

Info

Publication number: CN214540034U
Application number: CN202120147513.0U
Authority: CN
Inventors: 陈振华; 刘章敏; 谢瑞环
Original assignee: China Mapping Technology Hangzhou Co ltd
Current assignee: China Mapping Technology Hangzhou Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-10-29
Anticipated expiration: 2031-01-19

Abstract

The application relates to the technical field of distance measuring equipment, in particular to a handheld electronic distance measuring instrument which comprises a distance measuring instrument body, wherein a barrel is arranged on the distance measuring instrument body, an opening of the barrel deviates from the distance measuring instrument body, and the axial direction of the barrel is the same as the thickness direction of the distance measuring instrument body; the inner wall of the side part of the round barrel is provided with two laser lamps and two through holes for the light beams emitted by the corresponding laser lamps to penetrate through, and the light beams emitted by the two laser lamps extend along the radial direction of the round barrel and are vertical to each other; the center of the inner wall of the bottom of the round barrel is provided with a lifting rope, and the lifting rope is connected with a heavy object for blocking light beams emitted by the two laser lamps. The method and the device can improve the accuracy of measurement.

Description

Handheld electronic range finder

Technical Field

The application relates to the technical field of distance measuring equipment, in particular to a handheld electronic distance measuring instrument.

Background

A handheld electronic distance measuring instrument is an instrument used for distance measurement according to an optical principle and has the advantages of small and exquisite body and convenience in carrying.

In the use of handheld electronic distancer, the transmitting terminal on the distancer body will be to the target outgoing laser beam, and the receiving terminal on the distancer body will receive the laser beam of target reflection, and the time of laser beam from launching to receiving will be measured to the time-recorder on the distancer body to make the display screen on the distancer body can demonstrate the distance from the observer to the target.

However, since the observer holds the rangefinder body for measurement, the observer cannot keep the rangefinder body in a horizontal state well, and thus, there is a deviation between the value measured by the rangefinder body and the actual value, and improvement is required.

SUMMERY OF THE UTILITY MODEL

In order to improve the accuracy of measurement, this application provides a handheld electronic range finder.

The application provides a handheld electronic range finder adopts following technical scheme: a handheld electronic range finder comprises a range finder body, wherein a barrel is arranged on the range finder body, an opening of the barrel deviates from the range finder body, and the axial direction of the barrel is the same as the thickness direction of the range finder body; the inner wall of the side part of the round barrel is provided with two laser lamps and two through holes for the light beams emitted by the corresponding laser lamps to penetrate through, and the light beams emitted by the two laser lamps extend along the radial direction of the round barrel and are vertical to each other; the center of the inner wall of the bottom of the round barrel is provided with a lifting rope, and the lifting rope is connected with a heavy object for blocking light beams emitted by the two laser lamps.

By adopting the technical scheme, when an observer needs to measure the horizontal distance from the observer to a target, the distance meter body is kept horizontal as much as possible, and at the moment, the barrel is approximately in a vertical state; under the action of the gravity of the weight, the lifting rope is in a vertical state; when adjusting the distancer body to the horizontality, the cask will be in vertical state, and the heavy object will be in the inside center department of cask and blocks the light beam that two laser lamps transmitted, and the light beam that the laser lamp transmitted this moment will be unable to follow the through-hole and wear out. Therefore, when an observer cannot observe that the light beam emitted by the laser lamp penetrates out of the through hole, the drum is in a vertical state, and the range finder body is in a horizontal state; therefore, the laser lamp, the lifting rope and the weight are matched, so that the distance measuring instrument body is kept in a horizontal state conveniently, and the measuring accuracy is improved.

Optionally, be equipped with two connecting plates on the outer wall of cask, two connecting plates are kept away from and are all equipped with the projection board that supplies the light beam that the laser lamp that corresponds launched to throw on the one end of cask, and the projection board is the interval setting with the cask.

Through adopting above-mentioned technical scheme, when external light was stronger, the light beam that the laser lamp launched will be difficult for being caught by the observer, and whether the interval between observer's accessible projection board and the cask observes the light beam that the laser lamp launched and projects on the projection board this moment to this judges whether the light beam that the laser lamp launched is worn out from the through-hole, whether the observer of being convenient for confirms fast that the distancer body is in the horizontality.

Optionally, the cask rotates to be connected in the distancer body, and the thickness direction of distancer body and the light beam direction that the distancer body launched all are on a parallel with the rotation plane of cask, are equipped with on the distancer body to be used for locking the fixed locking Assembly of cask.

By adopting the technical scheme, when an observer needs to measure the vertical distance from the observer to a target, the barrel is rotated firstly, so that the axial direction of the barrel is parallel to the direction of the light beam emitted by the range finder body, then the barrel is locked and fixed through the locking assembly, and then the range finder body and the barrel are kept vertical as much as possible; if the light beam that the laser lamp launches can't wear out when the through-hole, then show that cask and distancer body are all in vertical state for the vertical distance of observer and target can accurate measurement to the distancer body.

Optionally, locking Assembly is including supplying the barrel to be on a parallel with the distancer body thickness direction in its axis first touch panel of contradicting and supplying the barrel to be on a parallel with the distancer body emitted light beam direction in its axis second touch panel of contradicting, and first touch panel and second touch panel are all located on the distancer body, and first touch panel and second are all slided on the touch panel and are connected with the spliced pole, set up the spliced eye that two spliced poles that supply to correspond pegged graft on the barrel.

Through adopting above-mentioned technical scheme, when the observer need measure self to the horizontal distance of target, contradict the cask rotation in first conflict board, the axial of cask this moment will be on a parallel with distancer body thickness direction, then slide the peg graft in the spliced eye of cask with the peg on the first conflict board for the cask is locked fixedly by the lock, and the distancer body can measure self to the horizontal distance of target this moment.

When the observer need measure self to the vertical distance of target, contradict the cask rotation in second conflict board, the axial of cask this moment will be on a parallel with the light beam direction that the distancer body was launched, then with the inserted bar slip grafting on the second conflict board in the spliced eye of cask for the cask is locked fixedly by the lock, and the vertical distance of self to the target can be measured to the distancer body this moment.

Optionally, the first abutting plate and the second abutting plate are respectively provided with a spring for enabling the insertion rod to be inserted into the insertion hole, one end of the spring is fixedly connected to the insertion rod, and the other end of the spring is fixedly connected to the first abutting plate or the second abutting plate.

By adopting the technical scheme, when the spring is in a natural state, the insertion rod is inserted into the insertion hole, so that the stability of the barrel when being locked and fastened is improved.

Optionally, two equal slip cap is equipped with the sleeve on the laser lamp, sets up the fixed groove that runs through of inlaying of the sleeve that two confessions correspond on the outer wall of cask.

Through adopting above-mentioned technical scheme, because of the sleeve is fixed to be inlayed and to be established at the through groove, the laser lamp inlays and establishes in the sleeve, so guaranteed the stability of laser lamp, and the laser lamp can follow and take out in the sleeve and change convenient operation.

Optionally, a fixing ring is fixedly embedded in the sleeve, and the light beam emitted by the laser lamp penetrates through the inner side of the fixing ring; and a limiting column used for pressing the laser lamp on the end part of the fixing ring is inserted into the sleeve.

Through adopting above-mentioned technical scheme, in the use of laser lamp, spacing post will peg graft in the sleeve and compress tightly the laser lamp on solid fixed ring's terminal surface, has improved the stability of laser lamp, and the light beam that the laser lamp launches will pass solid fixed ring's inboard, has guaranteed the normal use of laser lamp.

Optionally, the side wall of the limiting column is in threaded fit with the inner wall of the sleeve.

Through adopting above-mentioned technical scheme for spacing post is difficult for taking place to rock in the sleeve, has improved spacing post and has compressed tightly the effect to the laser lamp.

To sum up, the application comprises the following beneficial technical effects:

1. due to the arrangement of the laser lamp, the lifting rope and the weight, when an observer cannot observe that the light beam emitted by the laser lamp penetrates out of the through hole, the drum is in a vertical state, the range finder body is in a horizontal state, the operation is convenient, and the measurement accuracy is improved;

2. the arrangement of the projection plate is characterized in that when external light is strong, an observer can observe whether light beams emitted by the laser lamp are projected onto the projection plate or not through the space between the projection plate and the barrel, so that the observer can conveniently and quickly determine whether the distance meter body is in a horizontal state or not;

3. locking Assembly's setting for the cask can be rotatory on the distancer body, and makes the axial direction of cask be on a parallel with the light beam direction that the distancer body launched, and the vertical distance of observer and target can accurately be measured to the distancer body this moment.

Drawings

FIG. 1 is a schematic structural diagram of a distance meter body for measuring horizontal distance in the embodiment of the present application;

FIG. 2 is a schematic structural view showing a drum and locking assembly in an embodiment of the present application;

FIG. 3 is a schematic sectional view showing the inside of the drum in the embodiment of the present application;

fig. 4 is a schematic structural diagram of the distance measuring instrument body for measuring vertical distance in the embodiment of the present application.

Reference numerals: 1. a rangefinder body; 11. a fixing plate; 2. a barrel; 21. a through hole; 22. a connecting plate; 23. a projection plate; 24. a through groove; 25. a sleeve; 26. a fixing ring; 27. a limiting column; 271. a handle; 28. a horizontal axis; 29. inserting holes; 3. a lifting rope; 4. a weight; 5. a laser light; 6. a locking assembly; 61. a first touch panel; 62. a second touch panel; 621. perforating holes; 63. a plug rod; 631. a guide surface; 64. a spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses handheld electronic range finder. As shown in figure 1, a handheld electronic range finder, including distancer body 1, the thickness direction of distancer body 1 is mutually perpendicular with the light beam direction of distancer body 1 transmission, and the back of distancer body 1 is fixed with two fixed plates 11, is equipped with cask 2 between two fixed plates 11, and the opening of cask 2 deviates from in distancer body 1, and the axial of cask 2 is the same with the thickness direction of distancer body 1.

As shown in fig. 2 and 3, a lifting rope 3 is arranged in the barrel 2, one end of the lifting rope 3 is fixedly connected to the center of the inner wall of the bottom of the barrel 2, and the other end of the lifting rope 3 is fixedly connected with a spherical weight 4. The lifting rope 3 will be in a vertical position under the weight of the weight 4 itself.

As shown in fig. 2 and 3, the inner wall of the side portion of the drum 2 is provided with two laser lamps 5 and two through holes 21, the laser lamps 5 correspond to the through holes 21 one by one, the light beams emitted by the two laser lamps 5 extend along the radial direction of the drum 2 and are perpendicular to each other, and the two through holes 21 extend along the radial direction of the drum 2 and are perpendicular to each other. When distancer body 1 is not in the horizontality, cask 2 will not be in vertical state, and heavy object 4 will not be in the inside center department of cask 2, and the light beam that laser lamp 5 emitted will wear out from through-hole 21 this moment for the observer can judge fast that distancer body 1 is not in the horizontality.

When adjusting distancer body 1 to the horizontality, cask 2 will be in vertical state, and heavy object 4 will be in the inside center department of cask 2 and blocks the light beam that two laser lamp 5 launched, and the light beam that laser lamp 5 launched will be unable to wear out from through-hole 21 this moment for the observer can judge rapidly that distancer body 1 is in the horizontality, and has improved measuring accuracy.

As shown in fig. 2 and 3, two connecting plates 22 are arranged outside the barrel 2, one ends of the two connecting plates 22 are fixed on the outer wall of the barrel 2, the other ends of the two connecting plates 22 are fixed with projection plates 23, the projection plates 23 are arranged at intervals with the barrel 2, and the projection plates 23 are in one-to-one correspondence with the through holes 21. If the distance measuring instrument body 1 is not in a horizontal state, the light beam emitted by the laser lamp 5 penetrates out of the through hole 21 and is projected onto the projection plate 23; when the external light is poor, an observer can directly observe whether the light beam emitted by the laser lamp 5 passes through the through hole 21; when external light was stronger, the light beam that laser lamp 5 sent will be difficult for being caught by the observer, and whether the observer can observe the light beam that laser lamp 5 sent this moment and project on throwing board 23 to this judges whether the light beam that laser lamp 5 sent is worn out from through-hole 21, thereby whether the observer is in the horizontality in the quick definite distancer body of being convenient for.

As shown in fig. 3, two through grooves 24 radially extending along the drum 2 are formed in the outer wall of the drum 2, the through grooves 24 correspond to the through holes 21 one by one, the through grooves 24 and the through holes 21 are coaxially arranged, sleeves 25 are fixedly embedded in the two through grooves 24, and the laser lamp 5 is slidably embedded in the sleeves 25, so that the laser lamp 5 can be conveniently replaced.

As shown in fig. 3, a fixing ring 26 and a limiting column 27 are arranged in the sleeve 25, the fixing ring 26 is fixedly embedded in the sleeve 25, and the side wall of the limiting column 27 is in threaded fit with the inner wall of the sleeve 25. After the laser lamp 5 is placed into the sleeve 25, the limiting column 27 is in threaded fit with the inner wall of the sleeve 25, the limiting column 27 compresses the laser lamp 5 on the end face of the fixing ring 26, the laser lamp 5 is kept stable, light beams emitted by the laser lamp 5 penetrate through the inner side of the fixing ring 26, and normal use of the laser lamp 5 is guaranteed.

As shown in fig. 3, it should be noted that a handle 271 is fixed on one end of the position-limiting column 27 away from the fixing ring 26, and the position-limiting column 27 can be conveniently rotated by the handle 271.

As shown in fig. 1 and 2, the drum 2 is rotatably connected to the two fixing plates 11 by a horizontal shaft 28, and the axial direction of the horizontal shaft 28 is perpendicular to the thickness direction of the rangefinder body 1 and the direction of the light beam emitted from the rangefinder body 1. Be equipped with locking Assembly 6 on distancer body 1, locking Assembly 6 includes mutually perpendicular's first touch panel 61 and second touch panel 62, and first touch panel 61 and second touch panel 62 are all fixed on two fixed plates 11.

As shown in fig. 3 and 4, when the barrel 2 rotates to abut against the first abutting plate 61, the axial direction of the barrel 2 is parallel to the thickness direction of the distance measuring apparatus body 1, and the distance measuring apparatus body 1 can measure the horizontal distance from itself to the target. When cask 2 is rotatory to be contradicted in second touch panel 62, the axial of cask 2 will be on a parallel with the light beam direction that distancer body 1 launched, and self to the vertical distance of target can be measured to distancer body 1 this moment, has improved the commonality of this application.

As shown in fig. 3, two insertion holes 29 are formed on the outer wall of the bottom of the barrel 2. All seted up on first touch panel 61 and the second touch panel 62 and worn to establish hole 621, it has peg graft 63 to all slide in two worn to establish holes 621, and peg graft 63 is used for pegging graft in spliced eye 29 to make cask 2 locked fixed on first touch panel 61 or second touch panel 62.

As shown in fig. 3, one end of each of the two plugging rods 63 for being plugged in the plugging hole 29 is provided with a guide surface 631 disposed in an inclined manner, and each of the two plugging rods 63 is wound with a spring 64, one end of each spring 64 is fixedly connected to the corresponding plugging rod 63, and the other end of each spring 64 is fixedly connected to the corresponding first contact plate 61 or the corresponding second contact plate 62. When the barrel 2 is rotated to the first abutting plate 61 or the second abutting plate 62, the outer wall of the bottom of the barrel 2 is pressed against the guide surface 631, the outer wall of the bottom of the barrel 2 moves on the guide surface 631, so that the insertion rod 63 gradually sinks into the through hole 621, and the spring 64 gradually deforms; when the barrel 2 abuts against the first abutting plate 61 or the second abutting plate 62, the inserting hole 29 corresponds to the through hole 621, and at this time, the spring 64 returns to the natural state and urges the inserting rod 63 to be inserted into the inserting hole 29, so that the barrel 2 is locked and fixed.

The implementation principle of the handheld electronic range finder in the embodiment of the application is as follows: when an observer needs to measure the horizontal distance from the observer to a target, the drum 2 is rotated towards the first contact plate 61, the outer wall of the bottom of the drum 2 is pressed against the guide surface 631, so that the insertion rod 63 gradually sinks into the through hole 621, and the spring 64 gradually deforms; when the barrel 2 abuts against the first abutting plate 61, the insertion hole 29 corresponds to the through hole 621, the spring 64 returns to the natural state and urges the insertion rod 63 to be inserted into the insertion hole 29, the barrel 2 is locked and fixed, and the axial direction of the barrel 2 is parallel to the thickness direction of the range finder body 1. Then keeping the range finder body 1 as horizontal as possible, and at the moment, the barrel 2 is approximately in a vertical state; when the observer can not observe the light beam emitted by the laser lamp 5 to penetrate out of the through hole 21, the drum 2 is in a vertical state, and the range finder body 1 is in a horizontal state, so that the measuring accuracy is improved.

When an observer needs to measure the vertical distance from the observer to a target, the drum 2 is rotated towards the second contact plate 62, the outer wall of the bottom of the drum 2 is pressed against the guide surface 631, so that the insertion rod 63 gradually sinks into the through hole 621, and the spring 64 gradually deforms; when the barrel 2 abuts against the second abutting plate 62, the inserting hole 29 corresponds to the through hole 621, the spring 64 returns to the natural state and urges the inserting rod 63 to be inserted into the inserting hole 29, the barrel 2 is locked and fixed, and the axial direction of the barrel 2 is parallel to the direction of the light beam emitted by the range finder body 1. Then the distance measuring instrument body 1 is kept vertical as much as possible, and the barrel 2 is approximately in a vertical state at the moment; when the observer can not observe the light beam emitted by the laser lamp 5 and penetrates out of the through hole 21, the drum 2 is in a vertical state, and the range finder body 1 is in a vertical state, so that the measuring accuracy is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A handheld electronic range finder, includes range finder body (1), its characterized in that: a barrel (2) is arranged on the range finder body (1), the opening of the barrel (2) deviates from the range finder body (1), and the axial direction of the barrel (2) is the same as the thickness direction of the range finder body (1); the inner wall of the side part of the round barrel (2) is provided with two laser lamps (5) and two through holes (21) for the light beams emitted by the corresponding laser lamps (5) to penetrate through, and the light beams emitted by the two laser lamps (5) extend along the radial direction of the round barrel (2) and are mutually vertical; a lifting rope (3) is arranged at the center of the inner wall of the bottom of the barrel (2), and a heavy object (4) used for blocking light beams emitted by the two laser lamps (5) is connected to the lifting rope (3).

2. A hand-held electronic rangefinder as claimed in claim 1, wherein: be equipped with two connecting plates (22) on the outer wall of cask (2), one of keeping away from cask (2) is served in two connecting plates (22) and all is equipped with projection board (23) that the light beam that supplies laser lamp (5) that correspond throws, and projection board (23) are the interval with cask (2) and set up.

3. A hand-held electronic rangefinder as claimed in claim 1, wherein: cask (2) rotate to be connected in distancer body (1), and the thickness direction of distancer body (1) and the light beam direction of distancer body (1) transmission all are on a parallel with the rotation plane of cask (2), are equipped with on distancer body (1) to be used for locking fixed locking Assembly (6) with cask (2).

4. A hand-held electronic rangefinder according to claim 3, wherein: locking Assembly (6) are including supplying first conflict board (61) that barrel (2) contradict when its axis is on a parallel with distancer body (1) thickness direction and supplying second conflict board (62) that barrel (2) contradict when its axis is on a parallel with distancer body (1) the light beam direction of transmission, first conflict board (61) and second are supported touch board (62) and all are located distancer body (1), first conflict board (61) and second are supported touch board (62) and go up all to slide and are connected with spliced pole (63), offer spliced eye (29) that two confession corresponding spliced pole (63) were pegged graft on barrel (2).

5. A hand-held electronic rangefinder according to claim 4, wherein: and the first abutting plate (61) and the second abutting plate (62) are respectively provided with a spring (64) for promoting the insertion rod (63) to be inserted in the insertion hole (29), one end of the spring (64) is fixedly connected to the insertion rod (63), and the other end of the spring (64) is fixedly connected to the first abutting plate (61) or the second abutting plate (62).

6. A hand-held electronic rangefinder as claimed in claim 1, wherein: two all slide to overlap on laser lamp (5) and be equipped with sleeve (25), set up on the outer wall of cask (2) two confession sleeves (25) that correspond and fix the groove (24) that runs through of inlaying and establishing.

7. A hand-held electronic rangefinder according to claim 6, wherein: a fixing ring (26) is fixedly embedded in the sleeve (25), and light beams emitted by the laser lamp (5) penetrate through the inner side of the fixing ring (26); a limiting column (27) used for pressing the laser lamp (5) on the end part of the fixing ring (26) is also inserted into the sleeve (25).

8. A hand-held electronic rangefinder according to claim 7, wherein: the side wall of the limiting column (27) is in threaded fit with the inner wall of the sleeve (25).