CN115683044A - Handheld distance measuring equipment - Google Patents

Abstract

The application discloses handheld distance measuring equipment which comprises a machine body, a distance measuring adapter and a distance measuring module, wherein the distance measuring adapter is fixedly arranged on the machine body, the distance measuring module is detachably arranged on the machine body through the distance measuring adapter, and the distance measuring module is electrically connected with the machine body; the distance measuring module comprises a main shell, a rotating wheel and a fixing block, wherein a convex claw with gradually changed thickness is arranged on the rotating wheel, the convex claw is used for abutting against the distance measuring adapter piece along the thickness direction when the rotating wheel rotates relative to the main shell, the main shell and the rotating wheel move along the direction close to the machine body when the rotating wheel rotates, so that the distance measuring module is connected with the machine body, and the fixing block is used for blocking the main shell when the rotating wheel rotates to a preset position, so that the purpose of fixing the rotating wheel is achieved. Among the above-mentioned hand-held type range unit, range finding module installation and dismantlement convenient and fast, and the positioning accuracy after the equipment is high, simultaneously, can guarantee the parallel uniformity of complete machine optical axis and range finding optical axis, be favorable to guaranteeing the range finding precision.

Description

Handheld distance measuring equipment

Technical Field

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

Background

In the design of handheld imager products, the definition and setting of the distance measurement function are generally divided into a built-in type and a plug-in type. The external hanging distance measurement design can be divided into two types of quick-release distance measurement and non-quick-release distance measurement.

The quick-release distance measurement in the prior art is limited by the influence of an installation form, a machining form and location tolerance and a size tolerance set, a quick-release type distance measurement module is far away from a whole machine, and the possibility of enlarging the angle between the optical axis of the whole machine and the distance measurement optical axis exists, so that the distance measurement accuracy is reduced; the non-quick-dismantling type distance measuring module is troublesome to install, and the outdoor operation is limited. Therefore, a handheld distance measuring device with convenient assembly and disassembly and high distance measuring precision is needed to be provided timely by the technical personnel in the field.

Disclosure of Invention

The utility model aims at providing a hand-held type range unit, the installation is convenient with the dismantlement to the range finding precision is high.

To achieve the above object, the present application provides a handheld ranging apparatus, comprising:

a body;

the distance measuring adapter is fixedly arranged on the machine body;

the range finding module is installed in the fuselage through range finding adaptor detachably to realize going up with the fuselage butt joint back, the range finding module includes:

a main housing;

the rotating wheel is rotatably connected with the main shell; the rotating wheel is provided with a convex claw with gradually changed thickness and is used for abutting against the distance measuring adapter along the thickness direction when the rotating wheel rotates relative to the main shell, so that the main shell and the rotating wheel move along the direction close to the machine body, and the distance measuring module is connected with the machine body;

the fixed block is connected with the rotating wheel and used for clamping the main shell when the rotating wheel rotates to a preset position,

to fix the wheel.

In some embodiments, the distance measuring adapter comprises a base plate and a boss arranged on the base plate, wherein a preset gap is arranged between the boss and the base plate, and the preset gap is used for the protruding claw to extend into.

In some embodiments, the convex claw is provided with a convex edge, the convex edge protrudes towards the inner side of the convex claw, and a leaning surface is arranged between the boss and the bottom plate and is used for being in contact with and abutting against the convex edge so as to block the rotating wheel from rotating.

In some embodiments, two first limiting blocks are arranged on the main shell, a second limiting block and two limiting spaces which are respectively located on two sides of the second limiting block are arranged on the distance measuring adapter, the second limiting block is used for being embedded between the two first limiting blocks, and the two limiting spaces are respectively used for being embedded with the two first limiting blocks so as to fix the main shell.

In some embodiments, the ranging module further comprises:

the pressing wheel is movably arranged in the rotating wheel and is used for abutting against the distance measuring adapter when the rotating wheel rotates;

the first elastic piece is abutted between the pressing wheel and the main shell and used for providing elastic force for the pressing wheel, so that the pressing wheel has a tendency of moving close to the machine body.

In some embodiments, the pressing wheel is provided with a convex lug, the convex lug is provided with a through hole, and the distance measuring module further comprises a connecting column, and the connecting column penetrates through the through hole and is connected to the main shell.

In some embodiments, the main shell is provided with a slideway, the rotating wheel is provided with a plurality of salient points distributed along the circumferential direction, and each salient point is screwed into the slideway and can slide along the slideway;

still be equipped with spacing arch on the main casing, spacing arch is equipped with the breach, and detachably is connected with the afterbody separation blade on the runner, and the afterbody separation blade is used for at the breach internal rotation to drive the runner and rotate, restrict the turned position of runner and prevent that the bump from breaking away from the slide simultaneously.

In some embodiments, the main shell is provided with a clamping block, the fixing block is provided with a clamping opening and a limiting hole, the tail blocking piece is provided with a guide pillar, the guide pillar is arranged in the limiting hole, the fixing block moves within a limited range of the limiting hole, and when the rotating wheel rotates to a preset position, the fixing block is pushed so that the clamping opening clamps the clamping block.

In some embodiments, the fixing block is further provided with a clamping groove, the two ends of the clamping groove are large and small in the middle, the tail blocking piece is provided with an accommodating groove, a round ball and a second elastic piece are arranged in the accommodating groove, the round ball is used for sliding along the clamping groove, the second elastic piece is abutted between the round ball and the tail blocking piece, and the second elastic piece is used for providing elastic force for the round ball so that the round ball has a tendency of being separated from the tail blocking piece.

In some embodiments, the distance measuring module further comprises a male head, a female head is arranged on the body, the female head penetrates through the distance measuring adapter, and the distance measuring module is powered on after the female head is in butt joint with the male head.

Compared with the prior art, the handheld distance measuring equipment provided by the embodiment of the application comprises a machine body, a distance measuring adapter and a distance measuring module, wherein the distance measuring adapter is fixedly installed on the machine body, the distance measuring module is detachably installed on the machine body through the distance measuring adapter, and the distance measuring module is electrically connected with the machine body (the distance measuring module is electrically connected with the machine body after being butted). Further, the distance measuring module includes the main casing, runner and fixed block, wherein, the runner rotationally connects the main casing, be equipped with the claw of thickness gradual change on the runner, the claw is used for leaning on the range finding adaptor along the thickness direction when the relative main casing of runner rotates, make main casing and runner move along the direction that is close to the fuselage when the runner rotates, in order to realize that distance measuring module is connected with the fuselage, the runner is connected to the fixed block, the fixed block is used for blocking the main casing when the runner changes to predetermineeing the position, thereby reach the purpose of fixed runner. During the installation, at first, the runner of module of will finding range changes to the position that does not take place the interference with the range finding adaptor, and with range finding mould equipment to the fuselage on, then, rotate the runner, make the convex claw on the runner support and lean on the range finding adaptor, thereby make main shell and runner move along the direction that is close to the fuselage when the runner rotates, in order to realize that the module of finding range is connected with the fuselage, when the runner changes to predetermineeing the position, so that the main shell is blocked to the fixed block through promoting the fixed block, thereby reach the purpose of fixed runner, can be fixed completely to the fuselage with the module of finding range like this. In addition, the disassembly of the ranging module can be completed according to the reverse operation sequence. Compare in traditional range finding module and the inconvenience of installing and removing with the complete machine, and the lower hand-held type range unit of range finding precision, the hand-held type range unit that the embodiment of this application provided, install the range finding module on the fuselage convenient and fast ground, and utilize the rotation of runner and the motion realization of fixed block to the location of range finding module, range finding module installation and dismantlement convenient and fast, and the positioning accuracy after the equipment is high, the range finding module after the equipment passes through the fuselage power supply, meanwhile, adopt above-mentioned mounting means can avoid appearing the complete machine optical axis and the possibility that the angle of range finding optical axis changes, thereby guarantee the parallel uniformity of complete machine optical axis and range finding optical axis, be favorable to guaranteeing the range finding precision.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of a handheld distance measuring device in an embodiment of the present application;

FIG. 2 is a schematic structural diagram of the handheld ranging apparatus shown in FIG. 1 after a ranging adapter is assembled with a body;

FIG. 3 is a schematic structural diagram of a distance measuring module of the handheld distance measuring device shown in FIG. 1;

FIG. 4 is an exploded view of the ranging module shown in FIG. 3;

FIG. 5 is a flow chart illustrating the installation of a ranging module in the handheld ranging device shown in FIG. 1;

FIG. 6 is a schematic structural view of the ranging adapter of FIG. 2;

FIG. 7 is a schematic view of a wheel of the distance measuring module shown in FIG. 4;

FIG. 8 is a schematic view of a fixing block of the distance measuring module shown in FIG. 4;

FIG. 9 is a schematic view of a pressure roller in the distance measuring module shown in FIG. 4;

FIG. 10 is a schematic view of a structure for assembling a main housing, a rotating wheel and a fixing block in a distance measuring module;

FIG. 11 is a schematic sectional view of the assembly of the tail baffle and the fixing block in the distance measuring module;

FIG. 12 is a schematic view of the wheel rotating to a certain angle and being placed in the main housing;

FIG. 13 is a schematic view of the assembly of the rotor with the tail flap to the main housing.

Wherein:

10-a fuselage;

101-female head;

20-a ranging adapter;

201-a bottom plate, 202-a boss, 203-a preset gap, 204-a leaning surface, 205-a second limiting block and 206-a limiting space;

30-a distance measuring module;

301-ranging pressing ring, 302-ranging front shell, 303-ranging special-shaped sealing ring, 304-O-shaped sealing ring, 305-ranging laser module, 306-male head, 307-ranging support frame, 308-main shell, 3081-first limit block, 3082-slideway, 3083-limit protrusion, 3084-notch, 3085-fixture block, 309-first elastic element, 310-pinch roller, 3101-circular ring body, 3102-groove, 3103-lug, 3104-through hole, 311-rotating wheel, 3111-convex claw, 3112-convex edge, 3113-convex point, 312-connecting column, 313-tail baffle plate, 3131-accommodating groove, 314-fixing block, 3141-bayonet, 3142-limit hole, 3143-clamping groove, 315-guide column, 316-circular bead, 317-second elastic element, 318-gasket and 319-cover plate.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

In order to enable those skilled in the art to better understand the scheme of the present application, the present application will be described in further detail with reference to the accompanying drawings and the detailed description.

It should be noted that the following directional terms such as "upper end, lower end, left side, right side" and the like are defined based on the drawings of the specification.

Referring to fig. 1 to 13, fig. 1 is a schematic overall structure diagram of a handheld distance measuring device in an embodiment of the present application; FIG. 2 is a schematic structural diagram of the handheld ranging apparatus shown in FIG. 1 after a ranging adapter is assembled with a body; FIG. 3 is a schematic structural diagram of a distance measuring module of the handheld distance measuring device shown in FIG. 1; FIG. 4 is an exploded view of the ranging module shown in FIG. 3; FIG. 5 is a flow chart illustrating the installation of a ranging module in the handheld ranging device shown in FIG. 1; FIG. 6 is a schematic structural view of the ranging adapter of FIG. 2; FIG. 7 is a schematic view of a wheel of the distance measuring module shown in FIG. 4; FIG. 8 is a schematic structural diagram of a fixing block in the distance measuring module shown in FIG. 4; FIG. 9 is a schematic structural diagram of a pressing wheel in the distance measuring module shown in FIG. 4; FIG. 10 is a schematic view of the assembly structure of the main housing, the rotating wheel and the fixing block in the distance measuring module; FIG. 11 is a schematic sectional view of the assembly of the tail baffle and the fixing block in the distance measuring module; FIG. 12 is a schematic view of the wheel rotating to a certain angle and being placed in the main housing; FIG. 13 is a schematic view of the assembly of the rotor with the tail flap to the main housing.

The embodiment of the application provides a hand-held type distance measuring equipment, including fuselage 10, range finding adaptor 20 and range finding module 30, wherein, range finding adaptor 20 fixed mounting in fuselage 10, range finding module 30 installs in fuselage 10 through range finding adaptor 20 detachably, and range finding module 30 is connected with fuselage 10 electricity.

It should be noted that, the electrical connection between the distance measuring module 30 and the body 10 means that the distance measuring module 30 is electrically connected to the body 10 after being butted, in order to electrically connect the distance measuring module 30 and the body 10, the distance measuring module 30 further includes a male head 306 (including a plurality of ejector pins), the male head 306 is mounted on the distance measuring support 307, correspondingly, the body 10 is provided with a female head 101 (including a plurality of ejector pins) corresponding to the male head 306, and the distance measuring module 30 is electrically connected to the body 10 through the butting of the male head 306 and the female head 101.

Further, the distance measuring module 30 includes a main housing 308, a rotating wheel 311 and a fixing block 314, wherein the rotating wheel 311 is rotatably connected to the main housing 308, the rotating wheel 311 is configured to rotate relative to the main housing 308 around an axis in a first direction, a claw 3111 with gradually changing thickness is disposed on the rotating wheel 311, the claw 3111 is configured to abut against the distance measuring adaptor 20 along the thickness direction when the rotating wheel 311 rotates relative to the main housing 308, so that the main housing 308 and the rotating wheel 311 move along a direction close to the body 10 when the rotating wheel 311 rotates, so as to connect the distance measuring module 30 to the body 10, the fixing block 314 is connected to the rotating wheel 311, and the fixing block 314 is configured to block the main housing 308 when the rotating wheel 311 rotates to a preset position, thereby achieving the purpose of fixing the rotating wheel 311, and meanwhile, the fixing block 314 also has a function of a shifting piece, that is, the tail portion of the fixing block 314 is shifted to drive the rotating wheel 311 to rotate.

During the installation, at first, the runner 311 with the distance measuring module 30 rotates to the position that does not take place the interference with the range finding adaptor 20, and install the distance measuring module 30 to fuselage 10 on, then, rotate runner 311, make the protruding claw 3111 on the runner 311 support and lean on the range finding adaptor 20, thereby make main shell 308 and runner 311 move along the direction that is close to fuselage 10 when runner 311 rotates, in order to realize that distance measuring module 30 is connected with fuselage 10, when runner 311 rotates to preset position, through promoting fixed block 314 so that main shell 308 is blocked to fixed block 314, thereby reach the purpose of fixed runner 311, can be fixed completely to fuselage 10 with distance measuring module 30 like this.

In addition, the distance measuring module 30 can be disassembled in the reverse order of the above operations, that is, during the disassembling, the connection between the fixing block 314 and the main shell 308 is released, and then the connection between the rotating wheel 311 and the distance measuring adapter 20 is released.

It should be noted that the preset position is a position where the rotating wheel 311 rotates to a position where the distance measuring adapter 20 contacts the limit structure on the convex claw 3111, thereby preventing the rotating wheel 311 from further rotating.

Meanwhile, the first direction may be determined by a rotation direction of the wheel 311, and preferably, the first direction may be an X-axis direction as shown in fig. 1.

Compare in the inconvenient handheld ranging apparatus that just range finding precision is lower of traditional range finding module 30 and complete machine assembly and disassembly, the handheld ranging apparatus that this application embodiment provided, install range finding module 30 on fuselage 10 convenient and fast ground, and utilize the rotation of runner 311 and the location of fixed block 314's motion realization to range finding module 30, range finding module 30 installation and dismantlement convenient and fast, and the positioning accuracy after the equipment is high, range finding module 30 after the equipment passes through the fuselage 10 power supply, meanwhile, adopt above-mentioned mounting means can avoid appearing the complete machine optical axis and the possibility that the angle of range finding optical axis changes, thereby guarantee the parallel uniformity of complete machine optical axis and range finding optical axis, be favorable to guaranteeing the range finding precision.

It should be noted that a distance measurement assembly is arranged in the main casing 308, and specifically includes a distance measurement pressing ring 301, a distance measurement front casing 302, a distance measurement special-shaped sealing ring 303, an O-shaped sealing ring 304 and a distance measurement laser module 305, and the distance measurement pressing ring 301, the distance measurement front casing 302, the distance measurement special-shaped sealing ring 303, the O-shaped sealing ring 304 and the distance measurement laser module 305 are assembled in the main casing 308, and other parts of the distance measurement assembly are well known by those skilled in the art and are not expanded herein.

In some embodiments, to facilitate the matching of the distance measuring adapter 20 with the claw 3111, the distance measuring adapter 20 includes a base plate 201 and a boss 202 disposed on the base plate 201, the boss 202 is correspondingly matched with the claw 3111, a predetermined gap 203 is disposed between the boss 202 and the base plate 201, and the predetermined gap 203 is used for the claw 3111 to extend into.

Preferably, the runner 311 is provided with two claws 3111 (or two or more claws 3111), the two claws 3111 are distributed along the circumferential direction of the runner 311, the runner 311 is integrally formed in a thin-walled cylindrical structure, the two claws 3111 are integrally formed on the inner wall of the runner 311 and extend from the inner wall to the center of the circle, and the connecting line of the two claws 3111 passes through the center of the runner 311.

Further, the thickness of any one of the claws 3111 is tapered in the direction in which the runner 311 rotates at the time of assembly. For example, when the distance measuring module 30 is assembled with the body 10, the rotating direction of the wheel 311 is clockwise, and the thicknesses of the two claws 3111 are both tapered clockwise.

Corresponding to the two claws 3111, the distance measuring adapter 20 includes two bosses 202, and a predetermined gap 203 for the claws 3111 to extend into is provided between any boss 202 and the base plate 201. The dimension of the predetermined gap 203 in the first direction is larger than the maximum thickness of the claw 3111.

It can be understood that the two gradually-changing-thickness convex claws 3111 are respectively matched with the two bosses 202 of the distance measuring adapter 20, so that the boss 202 contacts the thinner part of the convex claw 3111 and then contacts the thicker part of the convex claw 3111 during the rotation process of the rotating wheel 311. In this way, with the body 10 and the ranging adapter 20 as stationary reference points (both are fixed), during the rotation of the wheel 311, the wheel 311 and the main shell 308 can move in a direction close to the body 10, thereby completing the assembly of the ranging module 30 and the body 10.

In some embodiments, in order to limit the rotation of the wheel 311, a protruding edge 3112 is provided on any one of the claws 3111, the protruding edge 3112 protrudes towards the inner side of the claw 3111, and correspondingly, a leaning surface 204 is provided between the boss 202 and the bottom plate 201, and the leaning surface 204 is used for contacting against the protruding edge 3112 to block the rotation of the wheel 311.

Specifically, the ledge 3112 is integrally formed at the portion of the claw 3111 having the largest thickness, and the ledge 3112 is raised along the inner side of the claw 3111, where the inner side is the side of the ledge 3112 closer to the other ledge 3112; the abutment surface 204 of the boss 202 is located inside the predetermined gap 203, and the abutment surface 204 may be a filler block structure between the boss 202 and the bottom plate 201.

Thus, in the rotating process of the rotating wheel 311, the boss 202 contacts the thinner portion of the claw 3111 first and then contacts the thicker portion of the claw 3111 until the leaning surface 204 on the boss 202 contacts the protruding edge 3112 on the claw 3111, and the rotating wheel 311 cannot rotate continuously, at this time, the fixing block 314 can be pushed towards the main shell 308, so that the main shell 308 is clamped with the fixing block 314, and the purpose of fixing the rotating wheel 311 is achieved.

In some embodiments, in order to position the main casing 308, two first limiting blocks 3081 are arranged on the main casing 308, the two first limiting blocks 3081 are arranged oppositely and extend along a first direction, correspondingly, the ranging adapter 20 is provided with a second limiting block 205 and two limiting spaces 206, the two limiting spaces 206 are respectively located on two sides of the second limiting block 205, the second limiting block 205 is used for being embedded between the two first limiting blocks 3081, and the two limiting spaces 206 are respectively used for being embedded with the two first limiting blocks 3081 to fix the main casing 308.

It should be noted that, in the rotating process of the rotating wheel 311, along with the movement of the rotating wheel 311 and the main shell 308 along the direction close to the body 10, on one hand, the male head 306 on the main shell 308 and the female head 101 on the body 10 complete the butt joint and power up, and on the other hand, the two first limiting blocks 3081 on the main shell 308 are respectively embedded with the two limiting spaces 206, so that the main shell 308 can be fixed to the body 10.

In some embodiments, the distance measuring module 30 further includes a pressing wheel 310 and a first elastic member 309, wherein the pressing wheel 310 is movably installed inside the rotating wheel 311, and the pressing wheel 310 is used for abutting against the distance measuring adapter 20 when the rotating wheel 311 rotates; the first elastic members 309 abut between the pressing wheel 310 and the main casing 308, and the first elastic members 309 are used for providing elastic force to the pressing wheel 310, so that the pressing wheel 310 has a tendency to move close to the body 10.

Specifically, the first elastic element 309 may be a wave spring, during the rotation of the rotating wheel 311, the end surface of the boss 202 of the distance measuring adapter 20 presses the pressing wheel 310, and as the rotating wheel 311 and the main casing 308 move in the direction close to the body 10, the pressing wheel 310 moves in the direction away from the body 10, and the wave spring is compressed, so that the wave spring can provide an elastic force to the pressing wheel 310, which not only enables the pressing wheel 310 to have a tendency of moving close to the body 10 (the distance measuring adapter 20 always abuts against the inner wall of the protruding claw 3111 on the rotating wheel 311), but also facilitates the detachment of the distance measuring module 30 (after the protruding claw 3111 on the rotating wheel 311 releases the limit on the boss 202 of the distance measuring adapter 20, the distance measuring module 30 automatically pops out under the effect of the elastic force).

In addition, the wave spring can obtain good hand feeling in the operation process, and is convenient and labor-saving.

In some embodiments, to facilitate guiding the puck 310, the puck 310 is provided with two lugs 3103, the number of the lugs 3103 is preferably two, each of the two lugs 3103 is provided with a through hole 3104, and correspondingly, the distance measuring module 30 further comprises two connecting posts 312, and the two connecting posts 312 respectively pass through the two through holes 3104 and are connected to the main shell 308.

The two attachment posts 312 can act as guides to ensure that the puck 310 moves along its axis (the first direction). The ends of the two connecting posts 312 are provided with annular protrusions for preventing the pressing wheel 310 from being separated from the connecting posts 312.

In some embodiments, to facilitate the sliding of the wheel 311, a sliding channel 3082 is provided on the main housing 308, and a plurality of protrusions 3113 (the number of the protrusions 3113 is preferably four) are provided on the wheel 311, and each protrusion 3113 is screwed into the sliding channel 3082 and can slide along the sliding channel 3082.

Correspondingly, the main shell 308 is further provided with a limiting protrusion 3083, the limiting protrusion 3083 is provided with a notch 3084, the rotating wheel 311 is detachably connected with a tail blocking piece 313, and the tail blocking piece 313 is used for rotating in the notch 3084 to drive the rotating wheel 311 to rotate, and meanwhile, the rotating position of the rotating wheel 311 is limited and the salient point 3113 is prevented from being separated from the slide way 3082.

Specifically, the wheel 311 is rotated to a certain angle and put into the main casing 308, as shown in fig. 12; then, the rotating wheel 311 is rotated to a position 180 degrees parallel to the main shaft (optical axis of the whole machine), the 4 salient points 3113 of the rotating wheel 311 are rotated into the slideway 3082, and then the tail baffle 313 is mounted on the rotating wheel 311, so that the rotating wheel 311 can slide on the track at the limited position, as shown in fig. 13.

In some embodiments, in order to facilitate the fastening connection between the fixing block 314 and the main housing 308, a fastening block 3085 is disposed on the main housing 308, a bayonet 3141 and a limiting hole 3142 (a waist-shaped hole) are disposed on the fixing block 314, a guide post 315 is disposed on the tail stopper 313, the guide post 315 is disposed in the limiting hole 3142, the fixing block 314 moves within a limited range of the limiting hole 3142, and when the rotating wheel 311 rotates to a predetermined position (the leaning surface 204 on the boss 202 contacts the protruding edge 3112 on the protruding claw 3111, and the rotating wheel 311 cannot rotate continuously), the fixing block 314 is pushed in the second direction, so that the bayonet 3141 fastens the fastening block 3085.

The second direction may be determined by the rotational position of the wheel 311, and preferably, the second direction may be a Y-axis direction as shown in fig. 1.

In some embodiments, the fixing block 314 is further provided with a fastening groove 3143, two ends of the fastening groove 3143 are large and the middle is small, the tail blocking piece 313 is provided with an accommodating groove 3131, the accommodating groove 3131 is provided with a ball 316 and a second elastic member 317, the second elastic member 317 may be a compression spring, the ball 316 is configured to slide along the fastening groove 3143, the second elastic member 317 abuts between the ball 316 and the tail blocking piece 313, and the second elastic member 317 is configured to provide an elastic force to the ball 316, so that the ball 316 has a tendency to be pulled out of the tail blocking piece 313.

Thus, in the initial position, the guide post 315 is located at the left end of the stopper hole 3142, the ball 316 is located at one end of the left side of the engaging groove 3143, the guide post 315 is located at the right end of the stopper hole 3142, and the ball 316 is located at one end of the right side of the engaging groove 3143 as the fixing block 314 moves leftward and completes the engaging connection with the main housing 308.

It is understood that the ball 316 and the second elastic member 317 are arranged to provide a click when the fixing block 314 is completely engaged with the main shell 308, so as to indicate to the worker that the fixing block 314 is completely engaged with the main shell 308.

In addition, the fixing block 314 is further provided with a cover plate 319, the cover plate 319 is connected with the fixing block 314 in a covering mode, a gasket 318 is arranged on the inner side of the cover plate 319, and the gasket 318 is a silica gel gasket.

In some embodiments, to facilitate the assembly of the pressing wheel 310, the pressing wheel 310 includes a ring body 3101, a plurality of grooves 3102 are circumferentially disposed on the ring body 3101, and the grooves 3102 are used to avoid the protrusions 3113 of the rotating wheel 311, so that the pressing wheel 310 can be installed inside the rotating wheel 311.

To sum up, this application embodiment provides a through rotatory fixed hand-held type range unit, and range unit 30 is through X axle direction spacing dress to fuselage 10 to it is fixed after rotating runner 311 (namely around X axle rotation) to a certain position through tail separation blade 313, then, promotes fixed block 314 and moves in Y axle direction, effectively restricts the displacement of range unit 30 in Y axle direction. After installation, the distance measuring module is powered by the complete machine. The parallel degree of X axle between range module 30 and the fuselage 10 is guaranteed through end face contact's mode to the parallel degree of Y axle between range module 30 and the fuselage 10 has been guaranteed through two sets of spacing, can guarantee complete machine optical axis and range finding optical axis's parallel uniformity like this, thereby guarantees the range finding precision.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The handheld ranging device provided by the present application is described in detail above. The principle and the implementation of the present application are explained herein by using specific examples, and the above descriptions of the examples are only used to help understand the scheme and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.

Claims (10)

1. A handheld ranging apparatus, comprising:

a body (10);

the distance measuring adapter (20) is fixedly arranged on the machine body (10);

range finding module (30), through range finding adaptor (20) detachably install in fuselage (10), and with fuselage (10) dock the back and realize going up the electricity, range finding module (30) includes:

a main housing (308);

a wheel (311) rotatably connected to the main housing (308); the rotating wheel (311) is provided with a claw (3111) with gradually changed thickness, and the claw is used for abutting against the distance measuring adapter piece (20) along the thickness direction when the rotating wheel (311) rotates relative to the main shell (308), so that the main shell (308) and the rotating wheel (311) move along the direction close to the machine body (10), and the distance measuring module (30) is connected with the machine body (10);

and the fixing block (314) is connected with the rotating wheel (311) and is used for clamping the main shell (308) when the rotating wheel (311) rotates to a preset position so as to fix the rotating wheel (311).

2. The handheld distance measuring device according to claim 1, wherein the distance measuring adapter (20) comprises a base plate (201) and a boss (202) arranged on the base plate (201), a predetermined gap (203) is arranged between the boss (202) and the base plate (201), and the predetermined gap (203) is used for the protrusion of the claw (3111).

3. A hand-held distance measuring device according to claim 2, wherein said claw (3111) is provided with a rim (3112), said rim (3112) being convex towards the inside of said claw (3111), a rest surface (204) being provided between said boss (202) and said base plate (201), said rest surface (204) being adapted to abut against said rim (3112) to hinder the rotation of said wheel (311).

4. The handheld ranging apparatus according to claim 1, wherein two first limiting blocks (3081) are disposed on the main housing (308), a second limiting block (205) and two limiting spaces (206) respectively located at two sides of the second limiting block (205) are disposed on the ranging adaptor (20), the second limiting block (205) is configured to be embedded between the two first limiting blocks (3081), and the two limiting spaces (206) are respectively configured to be embedded with the two first limiting blocks (3081) to fix the main housing (308).

5. The handheld ranging device as claimed in claim 1, wherein said ranging module (30) further comprises:

the pressing wheel (310) is movably arranged in the rotating wheel (311) and is used for abutting against the distance measuring adapter (20) when the rotating wheel (311) rotates;

the first elastic piece (309) is abutted between the pressing wheel (310) and the main shell (308) and used for providing elastic force for the pressing wheel (310) so that the pressing wheel (310) has a tendency of moving close to the machine body (10).

6. The handheld ranging device as recited in claim 5, wherein the pressing wheel (310) is provided with a convex lug (3103), the convex lug (3103) is provided with a through hole (3104), the ranging module (30) further comprises an attachment post (312), and the attachment post (312) passes through the through hole (3104) and is connected to the main shell (308).

7. A hand-held distance measuring device according to any one of claims 1 to 6, wherein a slide way (3082) is provided on said main housing (308), a plurality of bumps (3113) are provided on said wheel (311) in a circumferential distribution, each bump (3113) is screwed into said slide way (3082) and is slidable along said slide way (3082);

still be equipped with spacing arch (3083) on main casing (308), spacing arch (3083) are equipped with breach (3084), detachably is connected with afterbody separation blade (313) on runner (311), afterbody separation blade (313) are used for in breach (3084) internal rotation, in order to drive runner (311) rotate, the restriction simultaneously the turned position of runner (311) prevents bump (3113) breaks away from slide (3082).

8. The handheld ranging apparatus as claimed in claim 7, wherein a fixture block (3085) is disposed on the main housing (308), a bayonet (3141) and a limiting hole (3142) are disposed on the fixing block (314), a guide post (315) is disposed on the tail blocking plate (313), the guide post (315) is disposed in the limiting hole (3142), the fixing block (314) moves within a limited range of the limiting hole (3142), and when the rotating wheel (311) rotates to a preset position, the fixing block (314) is pushed to enable the bayonet (3141) to clamp the fixture block (3085).

9. The handheld ranging apparatus as claimed in claim 8, wherein the fixing block (314) further has a locking groove (3143), the locking groove (3143) has a large end and a small end, the tail stopper (313) has a receiving groove (3131), a ball (316) and a second elastic member (317) are disposed in the receiving groove (3131), the ball (316) is configured to slide along the locking groove (3143), the second elastic member (317) abuts between the ball (316) and the tail stopper (313), and the second elastic member (317) is configured to provide an elastic force to the ball (316), so that the ball (316) has a tendency to be separated from the tail stopper (313).

10. The handheld ranging device as claimed in claim 1, wherein the ranging module (30) further comprises a male head (306), a female head (101) is arranged on the body (10), the female head (101) penetrates through the ranging adapter (20), and the ranging module (30) is powered on after the female head (101) is connected with the male head (306) in a butt joint mode.

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