CN212515018U - Hand-held type laser range finder - Google Patents

Abstract

The utility model discloses a hand-held type laser range finder, including bottom plate and body, bottom plate and body joint, the fixed symmetry in bottom plate both sides is provided with the riser, and the rotary trough has been seted up to one side on the riser, is provided with the baffle in the rotary trough, and the fixed symmetry in both ends of baffle is provided with the quarter butt, and the quarter butt passes the rotary trough, and quarter butt and rotary trough normal running fit, and the fixed symmetry in up end of riser is provided with the fixed block, and the symmetry is provided with the apron between two risers, and the both ends symmetry of apron is provided with the bull stick, and the bull stick passes the fixed block, and bull stick and fixed block normal running fit, the utility model discloses rational in infrastructure protects laser range finder, avoids harm increase.

Description

Hand-held type laser range finder

Technical Field

The utility model relates to an engineering check out test set technical field, in particular to hand-held type laser range finder.

Background

The laser distance measuring instrument is an instrument for measuring the distance to a target by using a certain parameter of modulated laser. The distance measuring method is divided into a phase method distance measuring instrument and a pulse method distance measuring instrument, the pulse type laser distance measuring instrument emits a pulse laser beam or a sequence of short pulse laser beams to a target when in work, a photoelectric element receives the laser beam reflected by the target, a timer measures the time from the emitting to the receiving of the laser beam, and the distance from an observer to the target is calculated.

Chinese patent application No. CN201820954020.6 discloses a hand-held type laser rangefinder, which comprises a housin, install the range finding subassembly that is used for the range finding on the casing, casing back installs supporting component, supporting component includes two one ends and casing back median line rotation connected's backup pad, casing back still rotates to be connected with turns over the board, be fixed with in the backup pad with turn over the bead of board one end conflict in order to support the casing, install the backup pad at casing back and turn over the supporting component that the board was constituteed, turn over board one end and casing back rotation connection, the other end is contradicted with the bead in the backup pad, with this formation bearing structure, support the casing at a take the altitude, thereby reduce the error when measuring, improve the range finding precision.

Above-mentioned scheme is when implementing, and after using the completion, the user hangs laser range finder at the wrist portion through hanging the rope, however in user's motion process, the laser range finder probably bumps the collision each other with the external world, leads to the display screen to damage, also can make the dust in the air adhere to laser emitter and laser receiver's surface in the motion process, leads to the surface impaired, influences the precision, provides a solution to below the above problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hand-held type laser range finder has and to protect laser range finder, avoids the harm, increase of service life's advantage.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a handheld laser range finder comprises a bottom plate and a body, wherein the bottom plate is clamped with the body, vertical plates are fixedly and symmetrically arranged on two sides of the bottom plate, a rotating groove is formed in one side surface of each vertical plate, a baffle is arranged in each rotating groove, short rods are fixedly and symmetrically arranged at two ends of each baffle and penetrate through the corresponding rotating groove, the short rods are rotationally matched with the corresponding rotating grooves, fixed blocks are fixedly and symmetrically arranged on the upper end surfaces of the vertical plates, a cover plate is symmetrically arranged between the two vertical plates, rotating rods are symmetrically arranged at two ends of each cover plate and penetrate through the corresponding fixed blocks, the rotating rods are rotationally matched with the fixed blocks, a first bevel gear is fixedly arranged at one end of each short rod, a second bevel gear is fixedly arranged at one end of each rotating rod, the first bevel gear is meshed with the second bevel gear, a moving groove is formed in the side surface of each, the utility model discloses a movable wall plate, including U-shaped pole, movable wall plate, return spring, riser, clamping device, U-shaped pole and movable wall plate, the both ends of U-shaped pole are located two movable wall plate insides respectively, U-shaped pole and movable wall plate sliding fit, be provided with the connecting rod in the movable wall plate, the both ends of connecting rod rotate with the one end of baffle and the side of U-shaped pole respectively and are connected, the bottom of movable wall plate is provided with reset spring, reset spring's both ends respectively with movable wall plate U-shaped pole fixed connection, the fixed clamping device that is provided with on the riser, clamping device and U-shaped pole joint, one side of bottom plate is provided with strutting arrangement.

By adopting the technical scheme, the U-shaped rod is pulled to move along the moving groove, the moving groove can play a limiting role on the U-shaped rod, so that the U-shaped rod moves more stably, the U-shaped rod moves to drive the connecting rod to move, the connecting rod drives the baffle to rotate, so that the laser emitter and the laser receiver of the body are leaked out by the baffle, meanwhile, the baffle rotates to drive the short rod to rotate, the short rod drives the bevel gear to rotate, the bevel gear drives the bevel gear II which is meshed with each other to rotate, the bevel gear II drives the rotating rod to rotate, the rotating rod drives the cover plate to rotate, the cover plate rotates to leak the keys on the body, a user can conveniently operate the body, the U-shaped rod moves to compress the reset spring, the reset spring generates elasticity, the U-shaped rod continues to move, the clamping device can clamp the U-shaped rod, so that the U-shaped rod is fixed, prop up the bottom plate through strutting arrangement, after detecting the completion, pack up strutting arrangement, open latch device again, reset spring with the U-shaped pole backstepping for apron and baffle are closed again, opening the stay cord device, and the user uses the stay cord device conveniently to take.

Preferably, the clamping device comprises a clamping block, a clamping plate and a clamping spring, the clamping block is fixedly connected with the side face of the vertical plate, the clamping plate is matched with the clamping block in a rotating mode, the clamping spring is located between the clamping plate and the vertical plate, and the two ends of the clamping spring are fixedly connected with the vertical plate and the clamping plate.

Adopt above-mentioned technical scheme, pulling U-shaped pole, the U-shaped pole slides inside the shifting chute, when U-shaped pole and joint board contact, the U-shaped pole lifts up the one end of joint board, make can accompany and rotate round the joint piece, can compress the joint spring when the joint board rotates simultaneously, make the joint spring produce elasticity, after the U-shaped pole passed the one end of joint board, thereby the elasticity of joint spring makes the joint board resume the normal position and fix the U-shaped pole through the joint board, press the other end of joint board once more, the joint board rotates, make the joint board remove the limiting displacement to the U-shaped pole, make the U-shaped pole can freely remove.

As preferred, strutting arrangement includes backup pad, branch, threaded rod, support ring and montant, evenly seted up in the backup pad and held the groove, branch is located and holds inslot portion, hold groove and branch normal running fit, threaded rod and backup pad normal running fit, the support ring is arranged in the outer arc surface of threaded rod, threaded rod and support ring screw-thread fit, the one end of montant and the outer arc surface sliding connection of support ring, the other end and the branch normal running fit of montant

Adopt above-mentioned technical scheme, rotate the support ring, the support ring reciprocates along the threaded rod, and the support ring drives the montant and removes, and the montant will drive the shrink pole and rotate for branch shifts out from holding the inslot portion, supports the backup pad through a branch pole, and the design of a plurality of backup pads has improved the stability of support, and can satisfy different high demands.

Preferably, the stay cord device includes the stay cord box, collects roller, ratchet, stay cord board, torsional spring and connects the rope, it is located inside the stay cord box to collect the roller, collect roller and stay cord box normal running fit, the ratchet cover is located the one end of the outer arc surface of collecting the roller, the both ends of connecting the rope are fixed in the outer arc surface of collecting the roller, the hourglass export has been seted up to one side of stay cord box, the intermediate part of connecting the rope passes the hourglass export, the stay cord board is located inside the stay cord box, stay cord board and ratchet joint, stay cord board and stay cord box normal running fit, the torsional spring is located between stay cord board and the stay cord box, the both ends and stay cord board and stay cord box fixed connection of torsional spring, the stay cord box is passed to the one end of stay cord board.

Adopt above-mentioned technical scheme, rotate the stay cord board, the stay cord board rotates and drives the torsional spring compression, make the torsional spring produce torsion, when the stay cord board rotates, stay cord board and ratchet separation, the rope is connected in the pulling simultaneously, it drives the collection roller rotation to connect the rope, make and connect the rope and spill through the breach, when connecting the rope and reaching suitable length, loosen the stay cord board, the torsion of torsional spring drives the stay cord board and rotates, make torsional spring and ratchet mutually support, the trouble of manual reset has been avoided, when stay cord board and ratchet cooperate, the stay cord board plays limiting displacement to the ratchet, make and connect the rope can not stretched once more, when needs are withdrawed and are connected the rope, through rotating the collection roller, the collection roller rotates and makes the connection rope collect on the surface of collecting the roller, accomplish the collection of connecting the rope.

Preferably, a protective frame is sleeved outside the first bevel gear and the second bevel gear, and the protective frame is fixedly connected with the vertical plate.

By adopting the technical scheme, the protective frame protects the first bevel gear and the second bevel gear, so that external sundries are prevented from falling into the first bevel gear and the second bevel gear, the first bevel gear and the second bevel gear are prevented from being damaged, the service lives of the first bevel gear and the second bevel gear are prolonged, and meanwhile, the hands of a user are prevented from touching the first bevel gear and the second bevel gear, and the safety is improved.

Preferably, a protective sponge is fixedly arranged on one side of the baffle.

Adopt above-mentioned technical scheme, when the baffle closed, the protection sponge can be attached on the surface of the laser emitter of body and laser receiver, protects through the sponge, has avoided the injury of hard material to the surface of laser emitter and laser receiver, and the sponge can effective surface simultaneously, improves laser range finder's accuracy.

Preferably, one side of the rope pulling box is provided with a rotating wheel, one end of the rotating wheel penetrates through the rope pulling box, and the rotating wheel is fixedly connected with the collecting roller.

By adopting the technical scheme, the rotating wheel is convenient for a user to rotate the collecting roller, and the rotating wheel can reduce the force applied by the user, so that the user can more easily rotate the collecting roller.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is another schematic structural view of the embodiment;

FIG. 3 is a top view of the embodiment;

FIG. 4 is a cross-sectional view of a pull cord arrangement;

fig. 5 is a sectional view of the bezel.

Reference numerals: 1. a base plate; 2. a body; 3. a vertical plate; 4. rotating the groove; 5. a baffle plate; 6. a short bar; 7. a fixed block; 8. a cover plate; 9. a rotating rod; 10. a first bevel gear; 11. a second bevel gear; 12. a moving groove; 13. a U-shaped rod; 14. a connecting rod; 15. a return spring; 16. a clamping device; 17. a support device; 18. a rope pulling device; 19. a clamping block; 20. a clamping and connecting plate; 21. clamping a spring; 22. a support plate; 23. a strut; 24. a threaded rod; 25. a support ring; 26. a vertical rod; 27. a containing groove; 29. a rope pulling box; 30. a collection roller; 31. a ratchet wheel; 32. a rope pulling plate; 33. a torsion spring; 34. connecting ropes; 35. a leakage outlet; 36. a protective frame; 37. a protective sponge; 38. a rotating wheel.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

As shown in fig. 1 to 5, a hand-held laser range finder comprises a bottom plate 1 and a body 2, wherein the bottom plate 1 and the body 2 are clamped, vertical plates 3 are fixedly and symmetrically arranged on two sides of the bottom plate 1, moving grooves 12 are formed in the side surfaces of the vertical plates 3, a U-shaped rod 13 is arranged on one side of the bottom plate 1, two ends of the U-shaped rod 13 are respectively positioned in the two moving grooves 12, the U-shaped rod 13 is in sliding fit with the moving grooves 12, connecting rods 14 are arranged in the moving grooves 12, one end of each connecting rod 14 is rotatably connected with the side surfaces of the U-shaped rod 13, a return spring 15 is arranged at the bottom of each moving groove 12, two ends of each return spring 15 are respectively fixedly connected with the moving grooves 12 and the U-shaped rods 13, a clamping device 16 is fixedly arranged on the vertical plate 3, the clamping device 16 is clamped with the U-shaped rods 13, the clamping device 16 comprises a clamping, clamping plate 20 and joint piece 19 normal running fit, joint spring 21 is located between clamping plate 20 and riser 3, and the both ends and riser 3 and the clamping plate 20 fixed connection of clamping spring 21.

Pulling U-shaped pole 13, U-shaped pole 13 moves along shifting chute 12, shifting chute 12 can play limiting displacement to U-shaped pole 13, make U-shaped pole 13 remove more stably, U-shaped pole 13 removes and drives connecting rod 14 and removes, and U-shaped pole 13 removes and can compress reset spring 15, make reset spring 15 produce elasticity, continue to move U-shaped pole 13, when U-shaped pole 13 and joint plate 20 contact, U-shaped pole 13 lifts up the one end of joint plate 20, make can join together and rotate around joint piece 19, can compress joint spring 21 when joint plate 20 rotates simultaneously, make joint spring 21 produce elasticity, after U-shaped pole 13 passes the one end of joint plate 20, joint spring 21's elasticity makes joint plate 20 resume the normal position thereby fix U-shaped pole 13 through joint plate 20.

A rotating groove 4 is formed in one side face of the vertical plate 3, a baffle plate 5 is arranged in the rotating groove 4, short rods 6 are fixedly and symmetrically arranged at two ends of the baffle plate 5, the short rods 6 penetrate through the rotating groove 4, the short rods 6 are in rotating fit with the rotating groove 4, one end of a connecting rod 14 is rotatably connected with one end of the baffle plate 5, fixed blocks 7 are fixedly and symmetrically arranged on the upper end face of the vertical plate 3, a cover plate 8 is symmetrically arranged between the two vertical plates 3, rotating rods 9 are symmetrically arranged at two ends of the cover plate 8, the rotating rods 9 penetrate through the fixed blocks 7, the rotating rods 9 are in rotating fit with the fixed blocks 7, a bevel gear I10 is fixedly arranged at one end of the short rods 6, a bevel gear II 11 is fixedly arranged at one end of the rotating rods 9, the bevel gear I10 is meshed with the bevel gear II 11, a protective frame 36 is sleeved outside the bevel gear I10 and the bevel gear II, the damage to the first bevel gear 10 and the second bevel gear 11 is avoided because external sundries fall into the first bevel gear 10 and the second bevel gear 11, the service lives of the first bevel gear 10 and the second bevel gear 11 are prolonged, and meanwhile the fact that the hands of a user touch the first bevel gear 10 and the second bevel gear 11 is avoided, and the safety is improved.

Connecting rod 14 drives baffle 5 and rotates for baffle 5 spills the laser emitter and the laser receiver of body 2, and baffle 5 rotates simultaneously and drives quarter butt 6 and rotate, and quarter butt 6 drives bevel gear 10 and rotates, and bevel gear 10 drives two 11 rotations of engaged with bevel gear, and two 11 drive bull stick 9 of bevel gear rotate, and bull stick 9 drives apron 8 and rotates, and 8 rotations of apron spill the button on the body 2, and the person of facilitating the use operates body 2.

One side of bottom plate 1 is provided with strutting arrangement 17, strutting arrangement 17 and 1 fixed connection of bottom plate, strutting arrangement 17 includes backup pad 22, branch 23, threaded rod 24, support ring 25 and montant 26, evenly seted up on backup pad 22 and held groove 27, branch 23 is located and holds inside groove 27, hold groove 27 and branch 23 normal running fit, threaded rod 24 and backup pad 22 normal running fit, support ring 25 arranges in the outer arc face of threaded rod 24, threaded rod 24 and support ring 25 screw-thread fit, the one end of montant 26 and the outer arc face sliding connection of support ring 25, the other end and the branch 23 normal running fit of montant 26.

Rotate the support ring 25, the support ring 25 reciprocates along threaded rod 24, and the support ring 25 drives montant 26 and removes, and montant 26 will drive the shrink pole and rotate for branch 23 shifts out from holding groove 27 inside, supports backup pad 22 through branch 23, and the design of a plurality of backup pads 22 has improved the stability of support, and can satisfy different high demands.

When detecting the completion back, the antiport ring 25, make branch 23 withdraw and hold inside groove 27, press the other end of moving joint board 20 once more, joint board 20 rotates, make joint board 20 remove the limiting displacement to U-shaped pole 13, make U-shaped pole 13 can freely remove, reset spring 15's elasticity pushes back U-shaped pole 13, make apron 8 and baffle 5 close again, the fixed protection sponge 37 that is provided with in one side of baffle 5, when baffle 5 closes, protection sponge 37 can be attached on body 2's laser emitter and laser receiver's surface, protect through the sponge, the injury of hard material to laser emitter and laser receiver's surface has been avoided, the sponge can effective surface simultaneously, improve laser range finder's accuracy.

The upper end surface of the bottom plate 1 is fixedly provided with a rope pulling device 18, the rope pulling device 18 is respectively and fixedly connected with one end of the two vertical plates 3, the rope pulling device 18 comprises a rope pulling box 29, a collecting roller 30 and a ratchet wheel 31, stay cord board 32, torsional spring 33 and connection rope 34, it is inside that collection roller 30 is located the stay cord box 29, collect roller 30 and stay cord box 29 normal running fit, the one end of the outer arc surface of collection roller 30 is located to the ratchet 31 cover, the outer arc surface of collection roller 30 is fixed in at the both ends of connecting rope 34, hourglass export 35 has been seted up to one side of stay cord box 29, the intermediate part of connecting rope 34 passes hourglass export 35, stay cord board 32 is located inside the stay cord box 29, stay cord board 32 and ratchet 31 joint, stay cord board 32 and stay cord box 29 normal running fit, torsional spring 33 is located between stay cord board 32 and the stay cord box 29, the both ends and stay cord board 32 and the stay cord box 29 fixed connection of torsional spring 33, stay cord box 29 is passed to the one end of stay cord board 32.

Rotating the rope pulling plate 32, the rope pulling plate 32 rotates to drive the torsion spring 33 to compress, so that the torsion spring 33 generates torsion, when the rope pulling plate 32 rotates, the rope pulling plate 32 is separated from the ratchet wheel 31, the connecting rope 34 is pulled at the same time, the connecting rope 34 drives the collecting roller 30 to rotate, so that the connecting rope 34 leaks out through the leakage port 35, when the connecting rope 34 reaches a proper length, the rope pulling plate 32 is loosened, the torsion of the torsion spring 33 drives the rope pulling plate 32 to rotate, so that the torsion spring 33 and the ratchet wheel 31 are mutually matched, the trouble of manual reset is avoided, when the rope pulling plate 32 is matched with the ratchet wheel 31, the rope pulling plate 32 plays a limiting role on the ratchet wheel 31, so that the connecting rope 34 cannot be stretched again, when the connecting rope 34 needs to be withdrawn, by rotating the collecting roller 30, one side of the rope pulling box 29 is provided with the rotating wheel 38, one end of the rotating wheel 38 penetrates through the rope pulling box 29, the rotating wheel, and the rotating wheel 38 can reduce the force applied by the user, so that the user can rotate the collecting roller 30 more easily, and the collecting roller 30 rotates to collect the connecting rope 34 on the surface of the collecting roller 30, thereby completing the collection of the connecting rope 34.

Claims (7)

1. A hand-held laser range finder comprises a bottom plate (1) and a body (2), wherein the bottom plate (1) and the body (2) are clamped, and is characterized in that vertical plates (3) are fixedly and symmetrically arranged on two sides of the bottom plate (1), a rotary groove (4) is formed in one side face of each vertical plate (3), a baffle (5) is arranged in each rotary groove (4), short rods (6) are fixedly and symmetrically arranged at two ends of each baffle (5), each short rod (6) penetrates through each rotary groove (4), the short rods (6) are in rotating fit with the rotary grooves (4), fixed blocks (7) are fixedly and symmetrically arranged on the upper end faces of the vertical plates (3), a cover plate (8) is symmetrically arranged between the two vertical plates (3), rotary rods (9) are symmetrically arranged at two ends of the cover plate (8), each rotary rod (9) penetrates through the fixed blocks (7), and the rotary rods (9) are in rotating fit with the fixed blocks (7), one end of the short rod (6) is fixedly provided with a first bevel gear (10), one end of the rotating rod (9) is fixedly provided with a second bevel gear (11), the first bevel gear (10) is meshed with the second bevel gear (11), the side surface of the vertical plate (3) is provided with a moving groove (12), one side of the bottom plate (1) is provided with a U-shaped rod (13), two ends of the U-shaped rod (13) are respectively positioned in the two moving grooves (12), the U-shaped rod (13) is in sliding fit with the moving groove (12), a connecting rod (14) is arranged in the moving groove (12), two ends of the connecting rod (14) are respectively and rotatably connected with one end of the baffle plate (5) and the side surface of the U-shaped rod (13), the bottom of the moving groove (12) is provided with a return spring (15), two ends of the return spring (15) are respectively and fixedly connected with the U-shaped rods (13) of the moving, the improved structure of the vertical plate is characterized in that a clamping device (16) is fixedly arranged on the vertical plate (3), the clamping device (16) is clamped with the U-shaped rod (13), a supporting device (17) is arranged on one side of the bottom plate (1), the supporting device (17) is fixedly connected with the bottom plate (1), a pull rope device (18) is fixedly arranged on the upper end face of the bottom plate (1), and the pull rope device (18) is fixedly connected with one end of each of the two vertical plates (3).

2. The hand-held laser range finder according to claim 1, wherein the clamping device (16) comprises a clamping block (19), a clamping plate (20) and a clamping spring (21), the clamping block (19) is fixedly connected with the side surface of the vertical plate (3), the clamping plate (20) is rotatably matched with the clamping block (19), the clamping spring (21) is located between the clamping plate (20) and the vertical plate (3), and two ends of the clamping spring (21) are fixedly connected with the vertical plate (3) and the clamping plate (20).

3. The hand-held laser range finder as claimed in claim 1, wherein the support device (17) comprises a support plate (22), a support rod (23), a threaded rod (24), a support ring (25) and a vertical rod (26), a containing groove (27) has been uniformly formed in the support plate (22), the support rod (23) is located inside the containing groove (27), the containing groove (27) and the support rod (23) are in running fit, the threaded rod (24) and the support plate (22) are in running fit, the support ring (25) is arranged on the outer arc surface of the threaded rod (24), the threaded rod (24) and the support ring (25) are in running fit, one end of the vertical rod (26) is connected with the outer arc surface of the support ring (25) in a sliding manner, and the other end of the vertical rod (26) is in running fit with the support rod (23).

4. The hand-held laser range finder according to claim 1, wherein the rope pulling device (18) comprises a rope pulling box (29), a collecting roller (30), a ratchet (31), a rope pulling plate (32), a torsion spring (33) and a connecting rope (34), the collecting roller (30) is located inside the rope pulling box (29), the collecting roller (30) and the rope pulling box (29) are in running fit, the ratchet (31) is sleeved at one end of the outer arc surface of the collecting roller (30), two ends of the connecting rope (34) are fixed on the outer arc surface of the collecting roller (30), one side of the rope pulling box (29) is provided with a leakage outlet (35), the middle part of the connecting rope (34) passes through the leakage outlet (35), the rope pulling plate (32) is located inside the rope pulling box (29), the rope pulling plate (32) is connected with the ratchet (31) in a clamping manner, the rope pulling plate (32) is in running fit with the rope pulling box (29), the torsion spring (33) is located between the stay rope plate (32) and the stay rope box (29), the two ends of the torsion spring (33) are fixedly connected with the stay rope plate (32) and the stay rope box (29), and one end of the stay rope plate (32) penetrates through the stay rope box (29).

5. The hand-held laser range finder as claimed in claim 1, wherein a protective frame (36) is sleeved outside the bevel gear I (10) and the bevel gear II (11), and the protective frame (36) is fixedly connected with the vertical plate (3).

6. The hand-held laser distance measuring device according to claim 1, wherein a protective sponge (37) is fixedly arranged on one side of the baffle plate (5).

7. The hand-held laser distance measuring device according to claim 4, wherein a rotating wheel (38) is arranged on one side of the rope pulling box (29), one end of the rotating wheel (38) penetrates through the rope pulling box (29), and the rotating wheel (38) is fixedly connected with the collecting roller (30).

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