CN216209870U

CN216209870U - Hand-held type laser range finder

Info

Publication number: CN216209870U
Application number: CN202122736465.1U
Authority: CN
Inventors: 林芷民; 吕芸; 孙鸣; 陈翔
Original assignee: Chun'an County Land Survey Mapping Planning And Design Co ltd
Current assignee: Chun'an County Land Survey Mapping Planning And Design Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-04-05
Anticipated expiration: 2031-11-10

Abstract

The utility model discloses a handheld laser range finder, which comprises an arc-shaped support, a bearing mechanism and a laser range finder, wherein the arc-shaped support is provided with a bearing mechanism; the inner wall of one side of the arc-shaped support is connected with the outer walls of the two sides of the bearing mechanism in a sliding manner; the outer wall of the bottom end of the bearing mechanism is fixedly connected with the outer wall of the top end of the laser range finder; the arc-shaped bracket comprises a support connecting rod and an arc-shaped connecting rod; the outer wall of the bottom end of the support connecting rod is fixedly connected with the outer wall of the top end of the arc-shaped connecting rod; arc-shaped inner grooves are formed in the outer walls of the two sides of the support connecting rod; a sliding groove is processed on the inner wall of one side of the arc-shaped connecting rod. According to the utility model, the distance measuring device is automatically adjusted to be vertical under the action of gravity through the arc-shaped support, the bearing mechanism and the laser distance meter, so that the phenomenon that the handheld device of a measurer is not vertical to the surface of a measured object is avoided, the measurement accuracy is improved, the arc-shaped inner groove accords with human mechanics, the handheld device of the measurer is convenient, the bearing mechanism is placed in the sliding groove to slide under the action of gravity, and the flexibility of the device is improved.

Description

Hand-held type laser range finder

Technical Field

The utility model relates to the technical field of distance measurement, in particular to a handheld laser distance meter.

Background

Laser range finder's range finding principle can be concluded to measuring light round trip target required time, then calculates the distance through velocity of light and atmospheric refraction coefficient to make the testee plane must be perpendicular with light, at present, among the prior art, handheld laser range finder need measure through that the staff is handheld, can't guarantee to be in the vertical state with the testee plane, influences measuring accurate nature, consequently, needs a handheld laser range finder urgently.

Through the retrieval, chinese patent application number is CN 202022097006.9's patent, discloses a hand-held type laser range finder, including the distancer body, the counter bore has been seted up to the top surface of distancer body, has set firmly the camera lens in the counter bore, and the spout has been seted up to the top surface of distancer body, and the spout counter bore is located the homonymy, and the spout link up with the counter bore, and it is provided with the clean subassembly that is used for wiping the camera lens to slide in the spout.

One of the above-mentioned patents is a hand-held laser rangefinder that has the following disadvantages: the handheld laser range finder needs to be handheld by a worker for measurement, cannot guarantee that the plane of a measured object is in a vertical state, and influences the measurement accuracy.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a handheld laser range finder.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a handheld laser range finder comprises an arc-shaped support, a bearing mechanism and a laser range finder; the inner wall of one side of the arc-shaped support is connected with the outer walls of the two sides of the bearing mechanism in a sliding manner; the outer wall of the bottom end of the bearing mechanism is fixedly connected with the outer wall of the top end of the laser range finder; the arc-shaped bracket comprises a support connecting rod and an arc-shaped connecting rod; the outer wall of the bottom end of the support connecting rod is fixedly connected with the outer wall of the top end of the arc-shaped connecting rod; arc-shaped inner grooves are formed in the outer walls of the two sides of the support connecting rod; a sliding groove is processed on the inner wall of one side of the arc-shaped connecting rod.

Preferably: the bearing mechanism comprises a bearing connecting rod, a first telescopic spring, a first rotating connecting rod, a telescopic connecting plate, a second rotating connecting rod and a second telescopic spring; the outer walls of the two sides of the bearing connecting rod are connected with the inner wall of one side of the sliding groove in a sliding mode.

Preferably: the inner walls of the two sides of the bearing connecting rod are provided with built-in grooves; the inner walls of two sides of the top of the built-in groove are fixedly connected with the outer wall of one end of the first expansion spring; the outer wall of the other end of the first extension spring is fixedly connected with the outer wall of one side of the extension connecting plate; the outer wall of the other side of the telescopic connecting plate is rotatably connected with the outer wall of one side of the first rotating connecting rod.

Preferred for the present invention are: the inner walls of two sides of the bottom of the built-in groove are fixedly connected with the outer wall of one end of the second telescopic spring; the outer wall of the other end of the second telescopic spring is fixedly connected with the outer wall of one side of the telescopic connecting plate; the outer wall of the other side of the telescopic connecting plate is rotatably connected with the outer wall of one side of the second rotating connecting rod.

As a preferable aspect of the present invention: the laser range finder comprises a range finder body and a simulation round head; the outer wall of the top end of the range finder body is fixedly connected to the outer wall of the bottom end of the bearing connecting rod.

As a preferable aspect of the present invention: the outer wall of one side of the range finder body is provided with a laser emitting head; the outer wall of one side of the simulated round head is fixedly connected to the outer wall of the other side of the range finder body.

The utility model has the beneficial effects that:

1. through arc support, bear mechanism, laser range finder with range unit automatically regulated vertical state under the action of gravity, avoid the phenomenon of staff's handset and testee surface out of plumb, improve measuring accuracy, the arc inside groove accords with human mechanics, makes things convenient for staff's handset, will bear the weight of the mechanism and place and slide under the effect of gravity in the sliding groove, improves the device flexibility.

2. Through first rotating connecting rod, the arc connecting rod is pressed from both sides to the second rotating connecting rod and is slided, prevent that bearing mechanism area laser range finder from the arc support landing, when not using, can make flexible even board shrink to inside through extruding first rotating connecting rod, the shrink of second rotating connecting rod is in built-in groove, can take out bearing mechanism this moment, laser range finder takes out from the arc support, also can place second rotating connecting rod or first rotating connecting rod in the sliding groove, thereby with bearing mechanism, laser range finder fixes in the arc support, can not take place to remove, and is convenient to carry, the flexibility of improving the device.

3. Laser emission head on the distancer body is used for launching laser and measures the distance, and the simulation button head is then the balance of guaranteeing distancer body both sides, ensures that laser distancer adjusts the balance according to self gravity in the arc support, reaches with testee surface vertically function, improves measured accuracy.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a handheld laser range finder provided by the utility model;

FIG. 2 is a schematic view of an arc-shaped support of a hand-held laser range finder according to the present invention;

FIG. 3 is a schematic cross-sectional view of a support mechanism of a hand-held laser rangefinder according to the present invention;

fig. 4 is a schematic diagram of a laser range finder of a handheld laser range finder according to the present invention.

In the figure: 1-arc support, 101-support connecting rod, 102-arc inner groove, 103-arc connecting rod, 104-sliding groove, 2-bearing mechanism, 201-bearing connecting rod, 202-inner groove, 203-first extension spring, 204-first rotating connecting rod, 205-extension connecting plate, 206-second rotating connecting rod, 207-second extension spring, 3-laser range finder, 301-range finder body, 302-laser emitting head, 303-simulated round head.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not to be construed as limiting the device, structure, or element to which reference is made to have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1:

a hand-held laser range finder is shown in figures 1 and 2 and comprises an arc-shaped support 1, a bearing mechanism 2 and a laser range finder 3; the inner wall of one side of the arc-shaped support 1 is connected with the outer walls of two sides of the bearing mechanism 2 in a sliding manner; the outer wall of the bottom end of the bearing mechanism 2 is fixedly connected with the outer wall of the top end of the laser range finder 3; the arc-shaped bracket 1 comprises a support connecting rod 101 and an arc-shaped connecting rod 103; the outer wall of the bottom end of the supporting connecting rod 101 is fixedly connected with the outer wall of the top end of the arc-shaped connecting rod 103; arc-shaped inner grooves 102 are formed in the outer walls of the two sides of the supporting connecting rod 101; a sliding groove 104 is processed on the inner wall of one side of the arc connecting rod 103; through arc support 1, bearing mechanism 2, laser range finder 3 with range unit automatically regulated vertical state under the action of gravity, avoid the phenomenon of surveying personnel handheld device and testee surface out of plumb, improve measuring accuracy, arc inside groove 102 accords with human mechanics, makes things convenient for surveying personnel handheld device, will bear mechanism 2 and place and slide under the effect of gravity in the chute 104, improves the device flexibility.

In order to ensure the effectiveness of the operation of the carrying mechanism 2, as shown in fig. 3, the carrying mechanism 2 includes a carrying link 201, a first telescopic spring 203, a first rotating link 204, a telescopic link plate 205, a second rotating link 206, and a second telescopic spring 207; the outer walls of two sides of the bearing connecting rod 201 are connected with the inner wall of one side of the sliding chute 104 in a sliding way; built-in grooves 202 are processed on the inner walls of the two sides of the bearing connecting rod 201; the inner walls of the two sides of the top of the built-in groove 202 are fixedly connected with the outer wall of one end of the first extension spring 203; the outer wall of the other end of the first extension spring 203 is fixedly connected with the outer wall of one side of the extension connecting plate 205; the outer wall of the other side of the telescopic connecting plate 205 is rotatably connected with the outer wall of one side of the first rotating connecting rod 204; the inner walls of the two sides of the bottom of the built-in groove 202 are fixedly connected with the outer wall of one end of the second expansion spring 207; the outer wall of the other end of the second expansion spring 207 is fixedly connected to the outer wall of one side of the expansion connecting plate 205; the outer wall of the other side of the telescopic connecting plate 205 is rotatably connected with the outer wall of one side of the second rotating connecting rod 206; the arc-shaped connecting rod 103 is clamped by the first rotating connecting rod 204 and the second rotating connecting rod 206 to slide, the bearing mechanism 2 is prevented from sliding off the arc-shaped support 1 with the laser range finder 3, when the laser range finder is not used, the telescopic connecting plate 205 can be retracted towards the inside by squeezing the first rotating connecting rod 204, the first rotating connecting rod 204 and the second rotating connecting rod 206 are retracted in the built-in groove 202, at the moment, the bearing mechanism 2 and the laser range finder 3 can be taken out of the arc-shaped support 1, the second rotating connecting rod 206 or the first rotating connecting rod 204 can also be placed in the sliding groove 104, and therefore the bearing mechanism 2 and the laser range finder 3 are fixed in the arc-shaped support 1 and cannot move, the laser range finder is convenient to carry and the flexibility of the device is improved.

In order to ensure the working effectiveness of the laser range finder 3, as shown in fig. 4, the laser range finder 3 includes a range finder body 301 and an analog round head 303; the outer wall of the top end of the range finder body 301 is fixedly connected to the outer wall of the bottom end of the bearing connecting rod 201; the outer wall of one side of the range finder body 301 is provided with a laser emitting head 302; the outer wall of one side of the simulated round head 303 is fixedly connected with the outer wall of the other side of the range finder body 301; laser emission head 302 on distancer body 301 is used for launching laser measuring distance, and simulation button head 303 then guarantees the balance of distancer body 301 both sides, ensures that laser distancer 3 adjusts the balance according to self gravity in arc support 1, reaches and measured object surface vertically function, improves measured accuracy.

In the embodiment, when in use, a measurer holds the arc-shaped inner groove 102 by the arc-shaped inner groove 102, installs the bearing mechanism 2 and the laser range finder 3 in the arc-shaped support 1, presses the first rotating connecting rod 204 during measurement, so that the first expanding spring 203 and the second expanding spring 207 carry the expanding connecting plate 205 and the second rotating connecting rod 206 to retract into the built-in groove 202, then adjusts the height of the bearing connecting rod 201, so that the arc-shaped connecting rod 103 is clamped between the first rotating connecting rod 204 and the second rotating connecting rod 206 when the first rotating connecting rod 204 and the second rotating connecting rod 206 extend out, the first rotating connecting rod 204 and the second rotating connecting rod 206 can rotate on the arc-shaped connecting rod 103, so that the bearing mechanism 2 slides on the arc-shaped support 1, the measurer only needs to point to the surface of a measured object, the range finder body 301 and the bearing connecting rod 201 enable the range finder body 301 to slide along 4.3 under the self gravity, and ensure that the range finder body 301 always keeps parallel with the ground under the balance of the simulated round head 303 and the laser emitting head 302, and the surface of the object to be measured is parallel, so that the measurement accuracy is improved.

The above description is for the purpose of illustrating the preferred embodiments of the present invention and is not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed, and all modifications, equivalents, and improvements that may occur to those skilled in the art and that fall within the spirit and scope of the utility model are intended to be embraced therein.

Claims

1. A handheld laser range finder comprises an arc-shaped support (1), a bearing mechanism (2) and a laser range finder (3), and is characterized in that the inner wall of one side of the arc-shaped support (1) is connected with the outer walls of two sides of the bearing mechanism (2) in a sliding manner; the outer wall of the bottom end of the bearing mechanism (2) is fixedly connected with the outer wall of the top end of the laser range finder (3); the arc-shaped bracket (1) comprises a support connecting rod (101) and an arc-shaped connecting rod (103); the outer wall of the bottom end of the support connecting rod (101) is fixedly connected with the outer wall of the top end of the arc-shaped connecting rod (103); arc-shaped inner grooves (102) are formed in the outer walls of the two sides of the supporting connecting rod (101); a sliding groove (104) is processed on the inner wall of one side of the arc connecting rod (103).

2. The hand-held laser rangefinder according to claim 1, characterized in that the carrier mechanism (2) comprises a carrier link (201), a first telescopic spring (203), a first rotary link (204), a telescopic link plate (205), a second rotary link (206), a second telescopic spring (207); the outer walls of two sides of the bearing connecting rod (201) are connected with the inner wall of one side of the sliding groove (104) in a sliding way.

3. The hand-held laser range finder as claimed in claim 2, wherein the inner wall of the bearing link (201) is machined with built-in grooves (202); the inner walls of two sides of the top of the built-in groove (202) are fixedly connected with the outer wall of one end of the first extension spring (203); the outer wall of the other end of the first extension spring (203) is fixedly connected with the outer wall of one side of the extension connecting plate (205); the outer wall of the other side of the telescopic connecting plate (205) is rotatably connected with the outer wall of one side of the first rotating connecting rod (204).

4. The hand-held laser range finder as claimed in claim 3, wherein the inner walls of both sides of the bottom of said built-in groove (202) are fixedly connected to the outer wall of one end of the second expansion spring (207); the outer wall of the other end of the second expansion spring (207) is fixedly connected with the outer wall of one side of the expansion connecting plate (205); the outer wall of the other side of the telescopic connecting plate (205) is rotatably connected with the outer wall of one side of the second rotating connecting rod (206).

5. A hand-held laser rangefinder according to claim 4, characterized in that the laser rangefinder (3) comprises a rangefinder body (301), an analogue knob (303); the outer wall of the top end of the range finder body (301) is fixedly connected with the outer wall of the bottom end of the bearing connecting rod (201).

6. The hand-held laser range finder as claimed in claim 5, wherein the outer wall of one side of the range finder body (301) is provided with a laser emitting head (302); the outer wall of one side of the simulated round head (303) is fixedly connected to the outer wall of the other side of the range finder body (301).