Infrared distance meter

Abstract

The utility model discloses an infrared range finder, and relates to the related technical field of range finders. The utility model provides an infrared distance meter. The infrared distance meter comprises an infrared distance meter main body, an adapter piece, a telescopic rod and a fixing piece, the telescopic rod is rotationally connected with the fixing piece, and one end of the telescopic rod is rotationally connected with the adapter piece. With the center of gravity of the infrared range finder main body as the center of symmetry, limiting grooves are symmetrically formed in the two oppositely arranged side walls of the infrared range finder main body, and each limiting groove is composed of two limiting protrusions and the side walls of the infrared range finder main body. Two clamping protrusions are arranged on the adapter piece, and the clamping protrusions are connected with the limiting grooves in a clamped mode. According to the utility model, the technical problems that the use distance range is limited and measurement errors are easily generated due to position offset when the infrared distance meter is operated in a handheld manner are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to range finder technical field, concretely relates to an infrared range finder. BACKGROUND

[0002] Infrared range finder is the phase type photoelectric range finder with infrared light as light source, usually adopts gallium arsenide light emitting diode as light source, and its light intensity changes with the injected electric signal, so it has the double functions of light source and modulator, its measuring range is shorter, mostly within 5 kilometers, because infrared range finder light source is semiconductorized, electronic circuit is gradually integrated, and ranging process is automated, therefore, the instrument has the advantages of small volume, light weight, simple operation, fast ranging speed and high precision, and is widely applied to water conservancy, mine, city planning and military engineering measurement, but some disadvantages exist in actual use.

[0003] When the operator holds the infrared range finder to work, because the volume of the infrared range finder is limited, and the operating range of the operator's hand holding is small, the use range of the measurement of the infrared range finder is limited.Moreover, when the operator holds the infrared range finder to work, the operator is difficult to accurately control the position of the range finder, the range finder is prone to skew, and when the range finder is skewed, the measurement is not accurate enough, and the measurement error is large. UTILITY MODEL CONTENTS

[0004] The utility model discloses a infrared range finder, solve the technical problem of limited distance range when handheld operation infrared range finder, and the position deviation is easy to produce measurement error.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] The utility model provides a infrared range finder, including infrared range finder main part, adapter piece, telescopic link and fixed part, the telescopic link with fixed part rotation is connected, and one end of telescopic link with adapter piece rotation is connected, with the gravity center of infrared range finder main part as the symmetry center, the two lateral walls of infrared range finder main part relative arrangement symmetry set up limit slot, the limit slot is formed by two limit protrusions and the lateral wall of infrared range finder main part, be provided with two clamping protrusions on adapter piece, clamping protrusion with limit slot clamping.

[0007] In operation, the distance measuring function is provided by the infrared distance measuring instrument body, and the distance between the infrared distance measuring instrument body and the operator can be changed by changing the length of the telescopic rod, so that the use distance range of the infrared distance measuring instrument can be expanded. The two side walls of the infrared distance measuring instrument body are symmetrically provided with limiting grooves, and the center of gravity of the infrared distance measuring instrument body is used as the symmetric center. The center of gravity of the infrared distance measuring instrument body and the adapter coincide by clamping the clamping protrusions and the limiting grooves, so that the infrared distance measuring instrument body remains horizontal under the action of gravity to avoid measurement errors caused by position deviation. The position of the infrared distance measuring instrument can also be fixed by the fixing member to prevent the infrared distance measuring instrument from tilting forward and backward, thereby further avoiding measurement errors caused by position deviation, and solving the technical problems of limited use distance range and easy measurement errors caused by position deviation when operating the infrared distance measuring instrument by hand.

[0008] Optionally, the bottom of each of the two limiting grooves is provided with a mounting hole, and the mounting hole is located at the center of the limiting groove. The adapter is detachably connected to the infrared distance measuring instrument body through the mounting hole.

[0009] Specifically, the center axis in the mounting hole passes through the center of gravity of the infrared distance measuring instrument body, further ensuring that the center of gravity of the infrared distance measuring instrument body and the adapter coincide.

[0010] Optionally, the adapter is further provided with an adapter protrusion, and the adapter is rotatably connected to the telescopic rod through the adapter protrusion.

[0011] Optionally, an adapter through hole is formed at one end of the adapter away from the adapter protrusion, a screw rod is inserted into the adapter through hole, the screw rod extends into the adapter, the screw rod in the adapter is threadedly connected to the mounting hole, and the bottom end of the screw rod is fixedly connected with a knob.

[0012] The knob can facilitate the operator to apply force to adjust the tightness of the screw rod, so as to realize the detachable connection of the infrared distance measuring instrument body and the adapter through the threaded connection of the screw rod and the mounting hole. In addition, the threaded connection can enhance the connection strength between the infrared distance measuring instrument body and the adapter on the basis of the clamping of the clamping groove, so as to prevent the infrared distance measuring instrument body and the adapter from being separated during use, thereby ensuring the stability and safety of the infrared distance measuring instrument during use.

[0013] Optionally, the telescopic rod comprises a holding portion and a telescopic portion connected to each other, the holding portion is rotatably connected to the fixing member, and one end of the telescopic portion away from the holding portion is rotatably connected to the adapter protrusion. The holding portion can be conveniently held by the operator to control the telescopic rod, and the telescopic portion is used to adjust the distance of the infrared distance measuring instrument body in the horizontal direction to facilitate the operation of the infrared distance measuring instrument.

[0014] Optionally, a chuck is arranged on the side of the holding part, a plug-through hole is arranged on the fixing member, a clamping groove is arranged on the inner wall of the plug-through hole, and the chuck is clamped with the clamping groove. The fixing member is detachably connected with the telescopic rod through the plug-through hole, and is detachably connected in the clamping groove through the chuck, so that the relative position between the fixing member and the holding part is limited, and the infrared range finder is used at a long distance.

[0015] Optionally, a support plate is arranged on the end of the fixing member away from the plug-through hole, and the length of the support plate is equal to the length of the infrared range finder body. The length of the support plate and the length of the infrared range finder body refer to the distance of the long side of the support plate and the long side of the infrared range finder body in the horizontal plane projection. In the use process, the two side surfaces of the support plate and the infrared range finder body perpendicular to the horizontal plane are located in the same plane, so that the position of the infrared range finder body can be accurately controlled by adjusting the position of the support plate, and the operation is facilitated and the position accuracy of the infrared range finder is improved.

[0016] Optionally, a side plate is arranged on the side of the support plate close to the plug-through hole, and the side plate abuts against the fixing member. The side plate can limit the position of the fixing member, so that the support plate and the fixing member maintain a perpendicular state in the use process.

[0017] Optionally, a baffle plate is arranged on the end of the fixing member away from the telescopic rod.

[0018] Optionally, the side of the baffle plate close to the infrared range finder body is flush with the side of the fixing member close to the infrared range finder body.

[0019] The support plate is arranged on the two sides of the fixing member through the two side plates, so that the fixing member does not deviate from the support plate. The support plate is limited by the baffle plate, so that the support plate is prevented from slipping off the fixing member. In the work, the lower part of the fixing member is attached to a fixed position, and then the support plate is attached to the fixed position, so that the test head of the infrared range finder body is perpendicular to the measured surface, and the infrared range finder is prevented from deviating in the measurement process, and the measurement accuracy of the range finder is ensured.

[0020] Compared with the prior art, the utility model has the advantages that:

[0021] In operation, the distance measuring function is provided by the infrared distance measuring instrument body, and the distance between the infrared distance measuring instrument body and the operator can be changed by changing the extension length of the telescopic rod, so that the use distance range of the infrared distance measuring instrument can be expanded. The two side walls of the infrared distance measuring instrument body are symmetrically provided with limiting grooves, and the center of gravity of the infrared distance measuring instrument body is used as the symmetric center. The center of gravity of the infrared distance measuring instrument body and the adapter can be coincided by the clamping of the clamping protrusions and the limiting grooves, so that the infrared distance measuring instrument body can be kept in a horizontal position under the action of gravity, so as to avoid measurement errors caused by position deviation. The position of the infrared distance measuring instrument can also be fixed by the fixing member to prevent the infrared distance measuring instrument from tilting forward and backward, so as to further avoid measurement errors caused by position deviation, thereby solving the technical problems of limited use distance range and easy measurement errors caused by position deviation when the infrared distance measuring instrument is operated by hand. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 A schematic assembly structure diagram of the infrared distance measuring instrument is provided.

[0023] Figure 2 A schematic structure diagram of the infrared distance measuring instrument body is provided.

[0024] Figure 3 A schematic structure diagram of the adapter is provided.

[0025] Figure 4 A schematic structure diagram of the telescopic rod is provided.

[0026] Figure 5 A schematic structure diagram of the fixing member is provided.

[0027] REFERENCE NUMERALS:

[0028] 1, infrared distance measuring instrument body; 101, limiting groove; 102, limiting protrusion; 103, mounting hole; 2, adapter; 201, clamping protrusion; 202, adapter protrusion; 203, adapter through hole; 204, screw; 205, knob; 3, telescopic rod; 301, holding part; 302, telescopic part; 303, chuck; 4, fixing member; 401, plug-in through hole; 402, clamping groove; 403, support plate; 404, side plate; 405, baffle. DETAILED DESCRIPTION

[0029] To solve the above technical problems, the present application provides an infrared distance measuring instrument, and the technical scheme and examples of the present application will be described in detail in conjunction with the drawings.

[0030] The technical scheme adopted by the present application is as follows:

[0031] The utility model is described in detail below through specific embodiments, which are exemplary and intended to explain the utility model and cannot be understood as limiting the utility model.

[0032] Please refer to Figures 1-5 As shown in the figure, the utility model provides an infrared range finder, including infrared range finder main part 1, adapter 2, telescopic link 3 and fixed part 4. Telescopic link 3 is rotatably connected with fixed part 4, and one end of telescopic link 3 is rotatably connected with adapter 2. With the gravity center of infrared range finder main part 1 as the center of symmetry, two side walls oppositely arranged on infrared range finder main part 1 are symmetrically provided with limiting grooves 101, and the limiting grooves 101 are composed of two limiting protrusions 102 and the side wall of infrared range finder main part 1. Two clamping protrusions 201 are arranged on adapter 2, and the clamping protrusions 201 are clamped with the limiting grooves 101.

[0033] When working, the ranging function is provided through infrared range finder main part 1, and by changing the telescopic length of telescopic link 3, the position distance between infrared range finder main part 1 and the operator can be changed, so that the use distance range of the infrared range finder can be expanded. With the gravity center of infrared range finder main part 1 as the center of symmetry, the two side walls oppositely arranged on infrared range finder main part 1 are symmetrically provided with limiting grooves 101, and by clamping the clamping protrusions 201 with the limiting grooves 101, the gravity centers of the infrared ranging main body and the adapter 2 can be coincided, so that the infrared ranging main body can keep horizontal position under the action of gravity, so as to avoid the measurement error caused by the position deviation. The position of the infrared range finder can also be fixed and limited by the fixed part 4, so as to prevent the infrared range finder from tilting forward and backward, so as to further avoid the measurement error caused by the position deviation, and thus solve the technical problems of limited use distance range and easy measurement error caused by position deviation when operating the infrared range finder by hand.

[0034] As shown in the figure, Figure 1 And Figure 2 As shown in the figure, the two limiting grooves 101 are provided with mounting holes 103 at the bottom, the mounting holes 103 are located at the center position of the limiting grooves 101, and the adapter 2 is detachably connected with the infrared range finder main part 1 through the mounting holes 103.

[0035] Specifically, the center axis line in the mounting hole 103 passes through the gravity center of the infrared range finder main part 1, further ensuring that the gravity centers of the infrared ranging main body and the adapter 2 are coincided.

[0036] Referring to Figure 1 And Figure 3 The adapter 2 is further provided with an adapter protrusion 202, and the adapter 2 is rotatably connected with the telescopic link 3 through the adapter protrusion 202.

[0037] The telescopic rod 3 is rotationally connected with the adapter protrusion 202, and under the gravity of the infrared range finder main body 1, the weight on both sides of the infrared range finder main body 1 is the same, so that the infrared range finder main body 1 remains horizontal when the telescopic rod 3 is horizontally arranged, and the position that the infrared range finder main body 1 can reach is changed when the telescopic rod 3 is telescoped, so that the infrared range finder main body 1 can be better applied to distance measurement of objects that cannot be directly held by various operators. The telescopic rod 3 is rotationally connected with a fixing member 4 at an end away from the adapter protrusion 202, and the telescopic rod 3 is attached to a windowsill or other table top through the fixing member 4, so as to cooperate to prevent the infrared range finder main body 1 from being skewed during measurement.

[0038] As shown in Figures 1-3 , an adapter 2 is provided with an adapter socket 203 at an end away from the adapter protrusion 202, and a screw rod 204 is inserted into the adapter socket 203. The screw rod 204 extends into the adapter 2, and the screw rod 204 in the adapter 2 is threadedly connected with the mounting hole 103. The bottom end of the screw rod 204 is fixedly connected with a knob 205.

[0039] The knob 205 can facilitate the operator to apply force to adjust the tightness of the screw rod 204, so as to realize detachable connection of the infrared range finder main body 1 and the adapter 2 through the threaded connection of the screw rod 204 and the mounting hole 103. In addition, the threaded connection can enhance the connection strength between the infrared range finder main body 1 and the adapter 2 on the basis of the clamping of the clamping groove 402, so as to prevent the infrared range finder main body 1 and the adapter 2 from being separated during use, thereby ensuring the stability and safety of the infrared range finder during use.

[0040] Referring to Figure 1 and Figure 4 , the telescopic rod 3 comprises a holding portion 301 and a telescopic portion 302 connected with each other. The holding portion 301 is rotationally connected with the fixing member 4, and the telescopic portion 302 is rotationally connected with the adapter protrusion 202 at an end away from the holding portion 301. The holding portion 301 can facilitate the operator to hold and control the telescopic rod 3, and the telescopic portion 302 is used to adjust the distance of the infrared range finder main body 1 in the horizontal direction, so as to facilitate the operation of the infrared range finder.

[0041] As shown in Figure 4 , a chuck 303 is arranged on the periphery of the holding portion 301. The fixing member 4 is provided with an insertion through hole 401, and the inner wall of the insertion through hole 401 is provided with a clamping groove 402. The chuck 303 is clamped with the clamping groove 402. The fixing member 4 is detachably connected with the telescopic rod 3 through the insertion through hole 401, and is detachably connected in the clamping groove 402 through the chuck 303, so as to limit the relative position between the fixing member 4 and the holding portion 301, thereby facilitating the long-distance use of the infrared range finder.

[0042] Referring to Figure 1 and Figure 5The end of the fixing member 4 away from the plug-in through hole 401 is slidably provided with a support plate 403, and the length of the support plate 403 is equal to the length of the infrared range finder body 1. The length of the support plate and the length of the infrared range finder body 1 refer to the distance of the long side of the support plate 403 and the infrared range finder body 1 in the horizontal plane projection. In the use process, the support plate 403 and the two side surfaces of the infrared range finder body 1 perpendicular to the horizontal plane are located in the same plane, so that the position of the infrared range finder body 1 can be accurately controlled by adjusting the position of the support plate 403, so as to facilitate operation and improve the position accuracy of the infrared range finder.

[0043] As shown in Figure 5 , the side plate 404 is provided on the side of the support plate 403 close to the plug-in through hole 401, and the side plate 404 abuts against the fixing member 4. The side plate 404 can limit the fixing member 4 to ensure that the support plate 403 and the fixing member 4 remain perpendicular to each other during use.

[0044] Referring to Figure 5 , the fixing member 4 is provided with a baffle plate 405 away from the telescopic rod 3.

[0045] As shown in Figure 5 , the side of the baffle plate 405 close to the infrared range finder body 1 is flush with the side of the fixing member 4 close to the infrared range finder body 1.

[0046] The support plate 403 is provided on both sides of the fixing member 4 through the two side plates 404, so that the fixing member 4 does not skew with the support plate 403. The support plate 403 is limited by the baffle plate 405 to prevent the support plate 403 from slipping off the fixing member 4. In work, the lower part of the fixing member 4 is attached to a fixed position, and then the support plate 403 is attached to the fixed position, so that the test head of the infrared range finder body 1 is perpendicular to the measured surface, which better prevents the range finder from skewing during measurement, and ensures the accuracy of the range finder measurement. After measurement, the reading on the infrared range finder body 1 is obtained, and the size of the infrared range finder body 1 is fixed. The reading on the infrared range finder body 1 and the thickness of the infrared range finder body 1 itself are added, and the distance between the two measured objects can be obtained. The thickness of the infrared range finder body 1 itself is the distance of the short side of the infrared range finder body 1 in the horizontal plane projection.

[0047] The specific working principle of the utility model is: when installing the infrared range finder main body 1 in the adapter 2, after determining the measuring direction, aligning the mounting hole 103 at the bottom or top of the infrared range finder main body 1 with the adapter jack 203 on the adapter 2, aligning the back of the infrared range finder main body 1 with the rear part in the adapter 2, and setting the upper and lower parts of the adapter 2 between the limiting protrusions 102 at the top and bottom of the infrared range finder main body 1, clamping the adapter 2 on the infrared range finder main body 1, then inserting the top end of the screw rod 204 into the adapter jack 203 at the bottom of the adapter 2, rotating the knob 205 into the mounting hole 103 on the infrared range finder main body 1, and rotating to the point that the knob 205 is tightly fixed with the bottom of the adapter 2, so that the infrared range finder main body 1 and the adapter 2 are installed together, and the assembled infrared range finder is as shown in Figure 1 Then the ranging operation can be carried out, when ranging, starting the infrared range finder main body 1, holding the holding part 301, tightly fixing the lower part of the fixing part 4 to one side of the suitable table top, tightly fixing the supporting plate 403 on the top of the suitable table top, so that the test head of the infrared range finder main body 11 and the measured surface are perpendicular to each other, then drawing out the telescopic rod 3, after drawing out the telescopic rod 3 to the suitable length, the infrared range finder main body 1 reaches the position that the operator's arm cannot reach, and the ranging operation is carried out.

[0048] The above description is only the preferred embodiment of the utility model, and the above specific embodiment is not the limitation of the utility model. Various modifications and changes can be made within the technical concept of the utility model, and any modification, change or equivalent replacement made by the ordinary skilled in the art according to the above description belongs to the protection range of the utility model.

Claims

1. An infrared range finder, characterized by, Including infrared range finder main part (1), adapter (2), telescopic rod (3) and fixed part (4); The telescopic rod (3) is rotatably connected with the fixed part (4), and one end of the telescopic rod (3) is rotatably connected with the adapter (2); With the barycenter of the infrared range finder main part (1) as the symmetric center, the two oppositely arranged side walls of the infrared range finder main part (1) are symmetrically provided with limiting grooves, and the limiting groove (101) is composed of two limiting protrusions (102) and the side wall of the infrared range finder main part; The adapter (2) is provided with two clamping protrusions (201), and the clamping protrusions (201) are clamped with the limiting grooves (101).

2. The infrared range finder of claim 1, wherein, The bottom of each of the two limiting grooves (101) is provided with a mounting hole (103), and the mounting hole (103) is located at the center of the limiting groove (101), and the adapter (2) is detachably connected with the infrared range finder main part (1) through the mounting hole (103).

3. The infrared range finder of claim 2, wherein, The adapter (2) is further provided with an adapter protrusion (202), and the adapter (2) is rotatably connected with the telescopic rod (3) through the adapter protrusion (202).

4. The infrared range finder of claim 3, wherein, An adapter through hole (203) is formed at one end of the adapter (2) away from the adapter protrusion (202), a screw rod (204) is inserted into the adapter through hole (203), the screw rod (204) extends into the adapter (2), and the screw rod (204) in the adapter (2) is threadedly connected with the mounting hole (103), and the bottom end of the screw rod (204) is fixedly connected with a knob (205).

5. The infrared range finder of claim 3, wherein, The telescopic rod (3) comprises a holding part (301) and a telescopic part (302) connected with each other, the holding part (301) is rotatably connected with the fixed part (4), and one end of the telescopic part (302) away from the holding part (301) is rotatably connected with the adapter protrusion (202).

6. The infrared range finder of claim 5, wherein, A chuck (303) is arranged on the side of the holding part (301), an insertion through hole (401) is formed in the fixed part (4), a clamping groove (402) is formed in the inner wall of the insertion through hole (401), and the chuck (303) is clamped with the clamping groove (402).

7. The infrared range finder of claim 6, wherein, A support plate (403) is slidably arranged at one end of the fixed part (4) away from the insertion through hole (401), and the length of the support plate (403) is equal to the length of the infrared range finder main part (1).

8. The infrared range finder of claim 7, wherein, A side plate (404) is arranged on the side of the support plate (403) close to the insertion through hole (401), and the side plate (404) abuts against the fixed part (4).

9. The infrared range finder of claim 8, wherein, A baffle (405) is arranged at one end of the fixed part (4) away from the telescopic rod (3).

10. The infrared range finder of claim 9, wherein, The side of the baffle (405) close to the infrared range finder main part (1) is flush with the side of the fixed part (4) close to the infrared range finder main part (1).

Images