CN217318363U

CN217318363U - Chain saw with range finding function

Info

Publication number: CN217318363U
Application number: CN202122980841.1U
Authority: CN
Inventors: 刘明福; 田学军; 樊晋江; 黄泽法; 陈志坚
Original assignee: Ningbo Mingjun Industry And Trade Co ltd
Current assignee: Ningbo Mingjun Industry And Trade Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-08-30
Anticipated expiration: 2031-11-29

Abstract

The utility model relates to a chain saw discloses a chain saw with range finding function, including: the cutting tool is arranged on the machine body; the distance measuring device is rotatably arranged on the machine body, a preset distance is reserved between the rotating center of the distance measuring device and the cutting tool, and the distance measuring device is used for measuring the distance between a certain point on the object to be cut and the distance measuring device. The utility model has the advantages that the chain saw is provided with the distance measuring device on the machine body, the distance measuring device measures the distance between the edge of the object to be cut and the cutting tool through the distance measuring instrument, the measurement of the size of the object to be cut is realized, other tools (a ruler and a marking tool) are not needed for assisting in marking, and the cutting operation is convenient to complete; and the cutting size measured by the distance measuring instrument is accurate.

Description

Chain saw with range finding function

Technical Field

The utility model relates to a chain saw technical field especially relates to a chain saw with range finding function.

Background

When cutting wood with an electric chain saw, a garden tool is used to cut the wood into a certain length, and the traditional method is to measure the wood with a measuring tape or a measuring tape, then to scribe lines, and finally to cut the scribed lines with the electric chain saw, so as to obtain the required length of the wood. The method firstly has low cutting efficiency, needs measurement, then scribes and finally cuts, so that the time consumption is more, secondly has more required tools (needs rulers and scribing tools), and secondly has poor cutting precision, and because of artificial scribing, the measurement and scribing errors are easy to occur, so the cutting precision is not high.

SUMMERY OF THE UTILITY MODEL

Not enough to the above-mentioned that prior art exists, the utility model aims to solve the technical problem that a chain saw with range finding function that cuts efficiently, the cutting size is accurate is proposed.

The utility model provides a technical scheme that its technical problem adopted is, provides a chain saw with range finding function, including:

the cutting tool is arranged on the machine body;

the distance measuring device is rotatably arranged on the machine body, a preset distance is reserved between the rotating center of the distance measuring device and the cutting tool, and the distance measuring device is used for measuring the distance between a certain point on an object to be cut and the distance measuring device.

Further, be equipped with the fixing base on the organism, range unit includes mount pad and distancer, the one end of mount pad rotationally sets up on the fixing base, the distancer sets up the mount pad is kept away from on the one end of fixing base.

Furthermore, a through hole is formed in the fixing seat, a rotating shaft is arranged on the mounting seat, the rotating shaft is movably arranged in the through hole in a penetrating manner, and the rotating shaft is a rotating center of the distance measuring device; the cutting tool is a saw disc, the rotating shaft is arranged right above the saw disc, and the axis of the rotating shaft and the saw disc are positioned on the same plane.

Further, the distance measuring instrument can emit light beams, and the light beams can irradiate the object to be cut to form a visible light spot; the distance meter can measure the distance between the visible light spot and the saw disc.

Furthermore, a guide groove is formed in the fixing seat in the circumferential direction around the through hole, a guide column is arranged on the mounting seat, and the guide column is movably arranged in the guide groove.

Furthermore, the guide post fixing device further comprises a fastening piece, the fastening piece is sleeved on one end, far away from the installation seat, of the guide post, and the fastening piece can be abutted against the fixing seat.

Further, the distance measuring instrument is a laser distance measuring instrument, and the laser distance measuring instrument is used for measuring the distance between the distance measuring instrument and an object to be cut by emitting and receiving laser.

Further, the distancer is infrared distance measuring instrument, infrared distance measuring instrument measures the distance between the distancer and the object to be cut by emitting and receiving infrared rays.

Further, the visible light spots are arranged linearly.

Furthermore, a display screen is further arranged on the distance measuring instrument, and the display screen can display the numerical value of the distance between the visible light spot and the saw disc.

Compared with the prior art, the utility model discloses following beneficial effect has at least:

in the utility model, the chain saw is provided with the distance measuring device on the machine body, the distance measuring device is positioned above the cutting tool (saw disc), a preset distance (which is a fixed value) is arranged between the rotating center of the distance measuring device and the cutting tool, the distance measuring device can measure the distance between the object to be cut and the distance measuring device, and further the distance between the edge of the object to be cut and the cutting tool is measured, so that the measurement of the size of the object to be cut is realized, the auxiliary scribing of other tools (ruler and scribing tool) is not needed, the cutting operation is convenient to complete, and the measured cutting size is accurate; the distance measuring device can be rotatably arranged on the machine body, and the size of the required cutting dimension can be changed by adjusting the rotating angle of the distance measuring device, so that the use is convenient; the distance measuring instrument forms a visible light spot on the object by emitting laser (or infrared rays), when the distance measuring instrument is used, the visible light spot is only required to be aligned to the edge of the object, the distance between the cutting tool and the visible light spot is the size required to be cut, and the object with the required length and size is cut; the size positioning is fast, and the cutting efficiency is high.

Drawings

Fig. 1 is a schematic structural diagram of the chain saw with distance measuring function of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 3 is an exploded view of FIG. 1;

FIG. 4 is a schematic view of the chain saw cutting an object to be cut;

fig. 5 is a top view of fig. 4.

In the figure:

1. a body; 10. a cutting tool; 11. a fixed seat; 110. a through hole; 111. a guide groove; 2. a distance measuring device; 20. a mounting base; 200. a rotating shaft; 201. a guide post; 21. a range finder; 210. a light beam; 211. visible light spots; 212. a display screen; 3. a fastener; 4. an object to be cut; o, a rotation center; h. presetting a distance; b. the distance between the center of rotation and the visible light spot; a. an included angle; l, the size to be cut.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 5, a chain saw with a distance measuring function includes: the machine body 1 is provided with a cutting tool 10; the distance measuring device 2 is rotatably arranged on the machine body 1, a preset distance h is reserved between the rotating center O of the distance measuring device 2 and the cutting tool 10, and the distance measuring device 2 is used for measuring the distance between a certain point on the object 4 to be cut and the distance measuring device 2. Specifically, this cutting means 10 is the saw disc that saw chain and mounting disc formed, range unit 2 sets up the top at the saw disc, this range unit 2 is through measuring the distance between waiting to cut object 4 (wood) and range unit 2, combine together with preset distance h and can draw the saw disc and wait to cut the distance between the measuring point on the object 4, and then obtain waiting of object and cut size L, make this chain saw have the range finding function, the object cutting operation of being convenient for, and guarantee the precision of cutting size.

The distance measuring device 2 comprises a mounting seat 20 and a distance measuring instrument 21, wherein the mounting seat 11 is arranged on the machine body 1, one end of the mounting seat 20 is rotatably arranged on the fixing seat 11, and the distance measuring instrument 21 is arranged at one end, far away from the fixing seat 11, of the mounting seat 20; the fixed seat 11 is provided with a through hole 110, the mounting seat 20 is provided with a rotating shaft 200, the rotating shaft 200 movably penetrates through the through hole 110, and the rotating shaft 200 is a rotating center O of the distance measuring device 2; the rotating shaft 200 is arranged right above the saw disc, and the axis of the rotating shaft 200 and the saw disc are on the same plane.

In this embodiment, the distance measuring device 21 can emit a light beam 210, and the light beam 210 can irradiate the object 4 to be cut to form a visible light spot 211; the distance meter 21 can measure the distance between the visible light spot 211 and the saw disc. Specifically, the distance measuring instrument 21 can rotate around the rotating shaft 200, and the distance between the rotating center O and the visible light spot 211 irradiated on the object 4 to be cut can be changed by rotating the distance measuring device 2, wherein the distance between the irradiation port of the distance measuring instrument 21 and the rotating center is a fixed value, and the distance between the distance measuring instrument 21 and the object 4 to be cut is measured by the distance measuring instrument 21, so as to obtain the size L to be cut of the object 4 to be cut.

As shown in fig. 3, the chain saw further includes a fastener 3, a guide groove 111 is formed in the fixing base 11 around the circumference of the through hole 110, a guide post 201 is arranged on the mounting base 20, and the guide post 201 is movably arranged in the guide groove 111; the fastening piece 3 is in threaded connection with the guide column 201, the fastening piece 3 is sleeved on one end of the guide column 201 far away from the mounting seat 20, and the fastening piece 3 can be abutted against the fixed seat 11. When the rotation angle of the distance measuring device 2 needs to be adjusted, the fastening member 3 is loosened, the guide post 201 slides along the guide groove 111, and the fastening member 3 is used for fastening the fixed seat 11 and the mounting seat 20.

In actual use, the distance measuring instrument 21 can be a laser distance measuring instrument 21, the laser distance measuring instrument 21 is an instrument for accurately measuring the distance to a target by using laser, and the laser distance measuring instrument 21 measures the distance between the rotating shaft 200 and the object 4 to be cut by emitting and receiving the laser; or the distance meter 21 is an infrared distance meter 21, and the infrared distance meter 21 measures the distance between the rotating shaft 200 and the object 4 to be cut by emitting and receiving infrared rays. The distance between the rotating shaft 200 and the distance meter 21 is a fixed value, and the distance between the rotating center O and the visible light spot 211 can be obtained by adding the size measured by the distance meter 21; the laser (or infrared) distance measuring instrument 21 is used for measuring distance, the distance measurement is accurate, the weight is light, the size is small, and the chain saw is convenient to move.

In this embodiment, the visible light spots 211 are linearly arranged, that is, when the light beam 210 emitted by the distance meter 21 irradiates the object 4 to be cut, the linearly arranged visible light spots 211 are convenient for the observation of human eyes, so that the light spots can be easily aligned with the edge of the object 4 to be cut.

In addition, still be equipped with the display screen 212 on distancer 21, display screen 212 can show the numerical value of visible light spot 211 and saw disc interval, and this numerical value is the size L of waiting to cut that will cut promptly, can directly perceived, quick reading through display screen 212.

The working principle of the chain saw with the distance measuring function is as follows: firstly, the rotation center O of the distance measuring device 2 and the saw disc are on the same vertical plane (usually the saw disc is perpendicular to the surface of an object to be cut), the preset distance between the rotation center O and the saw disc is h, the distance between the rotation center O and the visible light spot 211 is b, and the distance b can be obtained by adding the distance between the distance measuring instrument 21 and the visible light spot 211 (measured by the distance measuring instrument 21) and the distance between the distance measuring instrument 21 and the rotation center O (which is a fixed value); the dimension L to be cut of the object, h and b, forms a triangular structure, and the pythagorean theorem shows that cos α is h/b, and thus α is arccos (h/b), and tg α is L/h, and therefore L is h tg α, and the above formula is substituted into L h tg (arccos (h/b)), so that the size of the dimension L to be cut can be obtained; in practical use, the algorithm can be implanted into an internal chip of the laser (or infrared) range finder 21 in advance, so that the horizontal dimension L to be cut can be easily obtained when the range finder 21 rotates around the rotation center O, and the dimension L to be cut displayed on the display screen 212 can be clearly observed through the display screen 212 on the range finder 21; when the required size is met, the fastener 3 is screwed, length cutting can be carried out after all adjustment is finished, during cutting, the visible light spots 211 are aligned with the edge of wood, and the size cut by the saw disc is the size required by people.

In the scheme, the distance measuring device 2 is suitable for hand tools such as electric chain saws, circular saws and the like, and can be used in occasions of automatically measuring and adjusting the length; the complicated operations of measuring and marking off during sawing are saved, the sawing size is accurate, the efficiency is high, the structure is compact, and the operation is convenient to handle.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Furthermore, the descriptions in the present application as to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "secured" are to be construed broadly, and thus, for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

Claims

1. A chain saw with range finding function, characterized in that including:

the cutting tool is arranged on the machine body;

2. A chain saw with a distance measuring function as recited in claim 1, wherein a fixed seat is provided on the machine body, the distance measuring device comprises a mounting seat and a distance measuring instrument, one end of the mounting seat is rotatably arranged on the fixed seat, and the distance measuring instrument is arranged on one end of the mounting seat far away from the fixed seat.

3. The chain saw with the distance measuring function as recited in claim 2, wherein a through hole is formed in the fixing base, a rotating shaft is arranged on the mounting base, the rotating shaft is movably arranged in the through hole in a penetrating manner, and the rotating shaft is a rotating center of the distance measuring device; the cutting tool is a saw disc, the rotating shaft is arranged right above the saw disc, and the axis of the rotating shaft and the saw disc are positioned on the same plane.

4. The chain saw with the distance measuring function as recited in claim 3, wherein the distance measuring instrument can emit a light beam, and the light beam can irradiate an object to be cut to form a visible light spot; the distance meter can measure the distance between the visible light spot and the saw disc.

5. A chain saw with a distance measuring function as recited in claim 3, wherein a guide groove is formed in the fixing base around the circumference of the through hole, and a guide post is movably disposed in the guide groove and provided on the mounting base.

6. A chain saw with a distance measuring function as recited in claim 5, further comprising a fastening member, wherein the fastening member is sleeved on one end of the guide post away from the mounting seat, and the fastening member can abut against the fixed seat.

7. A chain saw with distance measuring function as recited in claim 3, wherein the distance measuring instrument is a laser distance measuring instrument which measures the distance between the distance measuring instrument and the object to be cut by emitting and receiving laser light.

8. A chain saw with a distance measuring function according to claim 3, wherein the distance measuring instrument is an infrared distance measuring instrument which measures a distance between the distance measuring instrument and an object to be cut by emitting and receiving infrared rays.

9. A chain saw with a distance measuring function as recited in claim 4, wherein the visible light spot is linearly arranged.

10. A chain saw with a distance measuring function according to claim 4, wherein a display screen is further arranged on the distance measuring instrument, and the display screen can display the value of the distance between the visible light spot and the saw disc.