CN116774240B - Combined infrared range finder - Google Patents
Combined infrared range finder Download PDFInfo
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- CN116774240B CN116774240B CN202311083586.8A CN202311083586A CN116774240B CN 116774240 B CN116774240 B CN 116774240B CN 202311083586 A CN202311083586 A CN 202311083586A CN 116774240 B CN116774240 B CN 116774240B
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- 238000012545 processing Methods 0.000 claims abstract description 8
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 238000013507 mapping Methods 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of structural improvement of surveying and mapping devices, and aims to solve the technical problem that an integrated structure of an existing tripod type infrared distance measuring device is too long and inconvenient to carry and arrange in field surveying and mapping work. The utility model discloses a combined infrared distance measuring device, which is a foldable and unfolding combined infrared distance measuring device formed by combining a shell, a base, an upright post, a sleeve, an infrared emitter, an infrared receiver, a signal processing circuit, a control circuit, a display and a folding supporting structure, and can be quickly stored in a container formed by the shell and the base. The utility model has the beneficial effects that the device can perform ranging work in the storage and unfolding state, effectively controls the volume of the integrated structure of the tripod type infrared range finder, ensures that the whole tripod type infrared range finder is more convenient to carry and arrange, and can be better suitable for field ranging work.
Description
Technical Field
The utility model relates to the technical field of structural improvement of surveying and mapping devices, in particular to a combined infrared range finder.
Background
The surveying and mapping device is an instrument for realizing various aspects of orientation, ranging, angle measurement, height measurement, image measurement, photogrammetry and the like in the measuring work. In the surveying and mapping device, the infrared range finder is an important range finding tool, and mainly comprises a handheld infrared range finder and a tripod type infrared range finder, wherein the handheld infrared range finder has the advantages of convenience in carrying and flexibility in operation, is easily influenced by human factors during measurement, and is unstable in measurement accuracy; the tripod type infrared range finder has good stability, is not easy to be interfered by external factors during measurement, and has reliable precision. However, tripod-type infrared rangefinder is relatively bulky and has poor portability.
The existing tripod type infrared distance meter mainly comprises an instrument box, a tripod and an infrared distance meter, wherein the instrument box is mainly used for protecting and containing the infrared distance meter, the tripod is mainly used for placing and supporting the infrared distance meter, and the infrared distance meter is used for measuring the distance; that is, the three units of the instrument box, the tripod and the infrared distance measuring instrument are essential elements forming the tripod-type infrared distance measuring instrument, and are indispensable; the instrument box, the tripod and the infrared distance measuring instrument are independent of each other, and the instrument box, the tripod and the infrared distance measuring instrument are required to be carried and carried respectively in actual work, so that the working strength of a user is increased.
To solve the above problems, a person skilled in the art has proposed a patent name: the utility model relates to a portable surveying instrument (the surveying instrument comprises a tripod type infrared distance measuring instrument), which has the following publication number: CN216131699U, the technical scheme of this utility model is that a screw is embedded into a strip-shaped box, the screw is used to rotate to drive a first slider and a second slider to move along the opposite or opposite direction of the screw, and then the lower end of a first connecting rod and the lower end of a second connecting rod are driven to move along the opposite or opposite direction of the screw, the upper end of the first connecting rod and the upper end of the second connecting rod jointly drive a supporting plate to move up and down, so as to realize the effect that the surveying instrument body rises out of the strip-shaped box or falls down and is accommodated in the strip-shaped box. According to the technical scheme, the surveying instrument and the box body are effectively combined into a whole, and the parts of the product can be fully retracted into the box body by rotating the lead screw, so that the space occupied by the product is saved, the product is convenient to carry, and the surveying instrument body is placed into the box body, so that the protection of the surveying instrument body is realized; meanwhile, a user can back up the product through the braces, so that the portability of the product is further improved.
However, although the above-mentioned utility model patent can realize the effect of integrating the infrared distance measuring instrument, the box body and the supporting frame into an integrated structure to improve the portability, the above-mentioned utility model patent still has obvious problems in the process of realizing specifically.
Firstly, in order to ensure that the infrared distance measuring instrument can be lifted to the height of normal test (generally 1.4-1.5 meters), the first connecting rod and the second connecting rod must have enough lengths, that is, the lengths of the first connecting rod and the second connecting rod are larger than 1.5 meters, and the first connecting rod and the second connecting rod are contained in a box body after the mapping work is completed, and the first connecting rod and the second connecting rod are kept parallel to the screw rod, so that the containing requirements of the first connecting rod, the second connecting rod and the screw rod are met, the length of the box body adopted in the utility model patent cannot be smaller than 3 meters, and the whole box body is too long, so that great inconvenience still exists in the field carrying and transporting process;
secondly, head rod, second connecting rod and lead screw all are as the base according to the box, and the box is too long, just can satisfy the requirement of putting of box at the comparatively level ground that needs in the survey and drawing process, this just has increased more restriction for open-air survey and drawing work, the field survey and drawing work of practical that can't be better, more can't satisfy actual work demand.
Disclosure of Invention
The utility model aims to solve the problems and designs a combined infrared range finder.
The combined infrared range finder comprises a base, a shell and an infrared range finding unit, wherein the base is of a plate-shaped structure, the shell is a transparent cylindrical shell with openings at the upper end and the lower end, a buckle cover is arranged at the opening of the upper end of the shell, the shape and the size of the base are matched with those of the opening of the lower end of the shell, the opening of the lower end of the shell can cover the base, a stand column is fixedly arranged on the upper surface of the base, the length value of the stand column is matched with the length value of the shell and ensures that the stand column can be arranged in the shell, the length direction of the stand column is perpendicular to the upper surface of the base, the central line of the stand column is parallel to or coincident with the central line of the base, the infrared range finding unit is sleeved on the stand column, the infrared range finding unit can slide on the stand column, when the infrared range finding unit is in an ascending state, the shell is separated from the base, the infrared range finding unit can be unfolded to form a tripod type infrared range finding structure, and when the infrared range finding unit is in a folding state, and the infrared range finding unit can be folded.
Be equipped with a plurality of openings on the edge of base, the opening communicates the upper surface and the lower surface of base, its lower extreme homoenergetic is embedded a plurality of under the state of expansion or accomodating of infrared range finding unit still includes a plurality of bolts, a plurality of the bolt with a plurality of the opening is the one-to-one's relation, be equipped with the screw hole on the internal surface of opening, the bolt can run through the lateral wall of shell with the lower extreme of infrared range finding unit inserts with it corresponds the opening, the bolt can with correspond in the opening the screw hole forms detachable threaded connection.
The novel infrared distance measuring device is characterized in that a rubber sealing layer is arranged on the inner surface of the lower end opening of the shell, when the opening of the lower end of the shell is sleeved on the base, the inner surface of the lower end opening of the shell is in interference fit with the side surface of the base through the rubber sealing layer, the upper end opening of the shell is detachably connected with the buckle cover through threads, the upper end of the infrared distance measuring unit is close to the lower surface of the buckle cover when the infrared distance measuring unit is in a storage state, after the buckle cover is detached, the upper end of the infrared distance measuring unit can be exposed out of the upper end opening of the shell, a handle is arranged on the outer side surface of the shell, and the base is of a circular, rectangular or polygonal plate-shaped structure.
The infrared ranging unit comprises a sleeve, the sleeve is a long pipe with a closed upper end and an open lower end, the shape and the size of an inner hole of the sleeve are matched with those of the upright post, the sleeve is sleeved on the upright post, the inner surface of the sleeve can form interference fit with the side surface of the upright post, patterns for increasing friction force are arranged on the inner surface of the sleeve, a supporting plate is detachably arranged at the upper end of the sleeve, the outer edge of the supporting plate is attached to the inner surface of the shell, the upper surface of the supporting plate is close to the upper end opening of the shell, an infrared emitter and an infrared receiver are arranged on the upper surface of the supporting plate, a signal processing circuit and a control circuit are arranged on the lower surface of the supporting plate, a display is arranged on the outer side surface of the sleeve, the sleeve can lift and slide along the length direction of the upright post, a plurality of folding supporting structures are arranged on the outer side surface of the sleeve, the folding supporting structures are in one-to-one correspondence relation with a plurality of openings, when the sleeve is in a descending state, the lower end opening of the sleeve is attached to the inner surface of the shell, the supporting plate is close to the upper end opening of the supporting plate, the supporting structure is in a plurality of folding structures, the folding structures can be inserted into the supporting structures and can be inserted into the supporting structures through the folding structures and can be folded into the supporting structures to form through the threaded holes after the supporting structures; when the sleeve is in a rising state, the shell is separated from the base, the folding support structure is unfolded and clamped into the corresponding notch, the bolt penetrates through the folding support structure and then is inserted into the corresponding threaded hole to form detachable threaded connection, and the folding support structure is kept in an unfolded state under the limitation of the bolt.
The folding supporting structure comprises an upper supporting leg and a lower supporting leg, one end of the upper supporting leg is movably connected with the lower end of the outer side face of the sleeve through a pin shaft, the other end of the upper supporting leg is movably connected with one end of the lower supporting leg through a connecting rod, the other end of the lower supporting leg is a tip, the length value of the upper supporting leg is matched with that of the sleeve, the length value of the lower supporting leg is larger than that of the upper supporting leg, through holes are formed in the upper end of the lower supporting leg and the lower end of the lower supporting leg, when the upper supporting leg and the lower supporting leg are folded and folded, the lower end of the lower supporting leg is clamped into the corresponding notch, the bolt penetrates through the through hole in the lower end of the lower supporting leg and is inserted into the corresponding threaded hole to form detachable threaded connection, and when the upper supporting leg and the lower supporting leg are unfolded, the upper end of the lower supporting leg is clamped into the corresponding notch, and the bolt penetrates through the upper end of the lower supporting leg and is inserted into the threaded hole to form detachable threaded connection.
The upper supporting leg and the lower supporting leg are round bars or rectangular bars, one end of the connecting rod is movably connected with the other end of the upper supporting leg through a pin shaft, the other end of the connecting rod is movably connected with one end of the lower supporting leg through a pin shaft, the pin shafts at two ends of the connecting rod are respectively in interference fit with the other end of the upper supporting leg and one end of the lower supporting leg, and when the upper supporting leg or the lower supporting leg rotates around the pin shaft, friction force for preventing rotation is generated.
The size of the lower supporting leg is matched with the size of the corresponding opening, when the lower supporting leg is clamped into the corresponding opening, the opening clamps and fixes the lower supporting leg, and a plurality of openings are distributed along the edge of the base in equal angles.
The shape of the notch is U-shaped, the number of the notch is not less than three, the inner surface of the notch is a vertical surface or an inclined surface, and the length direction of the threaded hole is vertical to the inner surface of the notch.
The telescopic connecting device comprises a base, and is characterized in that a plurality of connecting ropes are arranged between the lower end opening of the sleeve and the upper surface of the base, one end of each connecting rope is detachably connected with the lower end opening of the sleeve, the other end of each connecting rope is detachably connected with the upper surface of the base, and the length value of each connecting rope is smaller than that of each upright post.
The locking bolt is arranged on the side surface of the sleeve, penetrates through the side wall of the sleeve and is in threaded connection with the side wall of the sleeve, one end of the locking bolt can extend into the inner cavity of the sleeve and lock the upright post, the length direction of the locking bolt is perpendicular to the length direction of the sleeve, and the locking bolt is close to the opening at the lower end of the sleeve.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the technical scheme, the foldable and unfolding tripod type infrared ranging structure is formed by utilizing the sleeve, the folding supporting structure, the supporting plate, the infrared emitter, the infrared receiver, the signal processing circuit, the control circuit and the display which are arranged on the supporting plate on the basis of the structures of the base and the upright post, and the sleeve and the folding supporting structure can be stored into a container formed by the shell and the base when folded, so that the volume of the integrated structure of the tripod type infrared ranging device is effectively controlled, the portability of the tripod type infrared ranging device is improved, and convenience is provided for surveying and mapping work;
2. according to the technical scheme of the device, after the shell is disassembled, the expansion and arrangement of the mapping device can be realized rapidly in a mode of pulling up the sleeve and expanding the supporting legs, so that the working efficiency of mapping work is improved, and the use requirements of staff can be met better;
3. in the process of unfolding and arranging, the technical scheme of the utility model has lower requirements on the terrain, can be better suitable for field mapping work, and has wider application range;
4. according to the technical scheme, under the state of folding and storage, the infrared emitter and the infrared receiver can be exposed to directly perform ranging operation in a mode of removing the buckle cover, the mode of ranging operation is more flexible, and the requirements of field mapping work can be better met.
Drawings
FIG. 1 is a schematic diagram of a combined infrared range finder according to the present utility model;
fig. 2 is a schematic cross-sectional view of embodiment 1 of the present utility model in a folded storage state;
FIG. 3 is a schematic view showing the structure of embodiment 1 of the present utility model in the unfolded state (when the inner surface of the opening is a vertical surface);
FIG. 4 is a schematic view showing the structure of embodiment 1 of the present utility model in the unfolded state (when the inner surface of the opening is inclined surface);
FIG. 5 is a schematic view of the structure of the base of the present utility model;
fig. 6 is a schematic view showing the structure of embodiment 2 of the present utility model in an expanded state;
fig. 7 is a schematic view showing the structure of embodiment 2 of the present utility model in a folded storage state;
FIG. 8 is a schematic view of the structure of the combination of the buckle cover, base and housing of the present utility model;
fig. 9 is a schematic structural view of embodiment 4 of the present utility model;
in the figure, 1, a base; 2. a housing; 3. a column; 4. a notch; 5. a threaded hole; 6. a bolt; 7. a grip; 8. a sleeve; 9. a support plate; 10. an upper support leg; 11. a lower support leg; 12. a connecting rod; 13. a connecting rope; 14. a locking bolt; 15. a strip-shaped protrusion; 16. and (5) opening holes.
Detailed Description
Embodiments of the present utility model will be described in detail below with reference to the attached drawings, as shown in fig. 1 to 9;
example 1:
the embodiment 1 of the utility model discloses a combined infrared range finder, which comprises a base 1 and a shell 2, wherein the base 1 is of a plate-shaped structure, the shell 2 is a cylindrical shell with openings at the upper end and the lower end, the shape and the size of the base 1 are matched with those of the openings at the lower end of the shell 2, a buckle cover is arranged at the opening at the upper end of the shell 2, the opening at the lower end of the shell 2 is sleeved on the base 1, a stand column 3 is fixedly arranged on the upper surface of the base 1, the length direction of the stand column 3 is perpendicular to the upper surface of the base 1, the central line of the stand column 3 is parallel or coincident with the central line of the base 1, a plurality of openings 4 are formed in the edge of the base 1, the openings 4 are used for communicating the upper surface with the lower surface of the base 1, threaded holes 5 are formed in the inner surface of the openings 4, a plurality of bolts 6 are in one-to-one correspondence with the threaded holes 5 in the openings 4, and the bolts 6 can penetrate through the side wall of the shell 2 and be inserted into the corresponding threaded holes 5 to form detachable threaded connection, and the whole device is shown in figures 1, 5 and 8.
In embodiment 1, a rubber sealing layer is disposed on the inner surface of the lower end opening of the housing 2, when the opening of the lower end of the housing 2 is sleeved on the base 1, the inner surface of the lower end opening of the housing 2 forms interference fit with the side surface of the base 1 through the rubber sealing layer, the upper end opening of the housing 2 is detachably connected with the buckle closure through threads, a grip 7 is disposed on the outer side surface of the housing 2, and the base 1 is in a circular, rectangular or polygonal plate structure.
In the embodiment 1, the infrared ranging unit comprises a sleeve 8, the sleeve 8 is a long pipe with a closed upper end and an open lower end, the shape and the size of an inner hole of the sleeve 8 are matched with those of the upright 3, the sleeve 8 is sleeved on the upright 3, the inner surface of the sleeve 8 can form interference fit with the side surface of the upright 3, the inner surface of the sleeve 8 is provided with friction-increasing patterns, the length value of the sleeve 8 is larger than that of the upright 3, the upper end of the sleeve 8 is detachably provided with a supporting plate 9, the outer edge of the supporting plate 9 is attached to the inner surface of the shell 2, the upper surface of the supporting plate 9 is close to the upper end opening of the shell 2, an infrared emitter and an infrared receiver are mounted on the upper surface of the supporting plate 9, wherein the infrared emitter usually adopts an infrared light emitting diode (IR LED) as a light source, can generate infrared light signals with certain frequency and power and irradiate the infrared signals onto a target object, the infrared receiver usually adopts a diode or a photosensitive tube as a photosensitive element, and can receive infrared light signals reflected by the target object and convert the infrared light signals into the infrared signals; a signal processing circuit and a control circuit are installed on the lower surface of the supporting plate 9, wherein the signal processing circuit is used for amplifying, filtering and processing the received infrared light signals so as to improve the measurement precision and stability, and the control circuit is used for: the control circuit is used for controlling and triggering the infrared transmitter and the receiver so as to ensure the normal work of the infrared ranging sensor; a display is arranged on the outer side surface of the sleeve 8 and is used for displaying or outputting the measured distance information; the sleeve 8 can lift and slide along the length direction of the upright post 3, a plurality of folding support structures are arranged on the side surface of the sleeve 8, the folding support structures are in one-to-one correspondence with the openings 4, when the sleeve 8 is in a descending state, the lower end opening of the sleeve 8 is close to the upper surface of the base 1, the folding support structures are folded and clamped into the openings 4 corresponding to the folding support structures, the shell 2 can be buckled on the base 1 and cover the sleeve 8, the support plate 9 and the folding support structures, the bolts 6 can penetrate through the folding support structures and are inserted into the threaded holes 5 to form detachable threaded connection after penetrating through the side wall of the shell 2, the folding support structures are kept in a folding state under the limitation of the bolts 6, the state of the whole device is as shown in fig. 2, in the state, the upper surface of the support plate 9 is close to the lower surface of the buckle cover, after the buckle cover is disassembled, the infrared emitter and the infrared receiver on the upper surface of the support plate 9 can be exposed out of the upper end opening of the shell 2, and at the moment, a worker can directly carry out infrared ranging work through the whole handheld infrared range finder; when the sleeve 8 is in the ascending state, the shell 2 is separated from the base 1, the lower port of the sleeve 8 is upwards close to the upper end face of the upright post 3, the folding support structure is unfolded and clamped into the corresponding notch 4, the bolt 6 penetrates through the folding support structure and then is inserted into the threaded hole 5 to form detachable threaded connection, the folding support structure is kept in the unfolded state under the limitation of the bolt 6, and the whole device is in a tripod type infrared ranging structure, and the state of the device is shown in figures 3 and 4.
In embodiment 1, the folding support structure includes an upper support leg 10 and a lower support leg 11, one end of the upper support leg 10 is movably connected with the lower end of the outer side surface of the sleeve 8 through a pin shaft, the other end of the upper support leg 10 is movably connected with one end of the lower support leg 11 through a connecting rod 12, the other end of the lower support leg 11 is pointed, the length value of the upper support leg 10 is not smaller than that of the sleeve 8, the length value of the lower support leg 11 is larger than that of the upper support leg 10, through holes are formed in the upper end of the lower support leg 11 and the lower end of the lower support leg 11, when the upper support leg 10 and the lower support leg 11 are folded and retracted, the lower end of the lower support leg 11 is clamped into the corresponding notch 4, the bolt 6 penetrates through the through hole of the lower end of the lower support leg 11 and is inserted into the threaded hole 5 to form a detachable threaded connection, and when the upper support leg 10 and the lower support leg 11 are unfolded, the upper end of the bolt 6 penetrates through the through hole of the lower support leg 11 and is inserted into the corresponding notch 4.
In embodiment 1, the upper support leg 10 and the lower support leg 11 are round rods or square rods or rods with polygonal cross sections, one end of the connecting rod 12 is movably connected with the other end of the upper support leg 10 through a pin shaft, the other end of the connecting rod 12 is movably connected with one end of the lower support leg 11 through a pin shaft, the pin shafts at two ends of the connecting rod 12 respectively form interference fit with the other end of the upper support leg 10 and one end of the lower support leg 11, and when the upper support leg 10 or the lower support leg 11 rotates around the pin shaft, friction force for preventing rotation is generated.
It should be noted that the dimensions of the lower supporting leg 11 are matched with those of the corresponding notch 4, when the lower supporting leg 11 is clamped into the corresponding notch 4, the notch 4 clamps and fixes the lower supporting leg 11, a plurality of notches 4 are distributed along the edge of the base 1 in equal angles, the shape of the notch 4 is U-shaped, the number of the notches 4 is not less than three, the inner surface of the notch 4 is a vertical surface or an inclined surface, and the length direction of the threaded hole 5 is kept vertical to the inner surface of the notch 4; when the inner surface of the notch 4 is a vertical surface, the lower support leg 11 is in a vertical state after being clamped into the notch 4, and the bolt 6 horizontally penetrates through the lower support leg 11 and is inserted into the threaded hole 5 to be fixed, and the state of the whole device is shown in fig. 3; when the inner surface of the notch 4 is inclined, the lower support leg 11 is inclined against the inner surface of the notch 4 after being clamped into the notch 4, the bolt 6 obliquely penetrates through the lower support leg 11 and is inserted into the threaded hole 5 to be fixed, and the state of the whole device is shown in fig. 4.
In addition, in embodiment 1, a plurality of connecting ropes 13 are arranged between the lower end opening of the sleeve 8 and the upper surface of the base 1, one end of each connecting rope 13 is detachably connected with the lower end opening of the sleeve 8, the other end of each connecting rope 13 is detachably connected with the upper surface of the base 1, and the length value of each connecting rope 13 is smaller than that of each upright post 3; the locking bolt 14 is arranged on the side surface of the sleeve 8, the locking bolt 14 penetrates through the side wall of the sleeve 8 and is in threaded connection with the side wall of the sleeve 8, one end of the locking bolt 14 can extend into the inner cavity of the sleeve 8, the length direction of the locking bolt 14 is perpendicular to the length direction of the sleeve 8, and the locking bolt 14 is close to the lower end opening of the sleeve 8.
Example 2:
in the embodiment 2 of the utility model, an upper supporting leg 10 and a connecting rod 12 are removed, the length of a lower supporting leg 11 is prolonged, one end of the lower supporting leg 11 is movably connected with the lower end of the outer side surface of a sleeve pipe 8 through a pin shaft, the other end of the lower supporting leg 11 is pointed, the length value of the lower supporting leg 11 is larger than that of the sleeve pipe 8, an infrared emitter and an infrared receiver are arranged on the upper surface of the sleeve pipe 8, a signal processing circuit, a control circuit and a display are arranged on the outer side surface of the sleeve pipe 8, a buckle cover is buckled at an opening of the upper end of a shell 2, the buckle cover is not connected with the opening of the upper end of the shell 2 through threads, but is connected and detached through a plug-in mode, a plurality of holes 16 are formed in the buckle cover, the number and the positions of the holes 16 are in one-to-one correspondence with the lower end of the lower supporting leg 11, after the lower supporting leg 11 is turned upwards around the pin shaft, the other end of the lower supporting leg 11 is upwards aligned with the corresponding hole 16 on the shell 2, as the lower supporting leg 11 is folded up, the lower supporting leg 11 is influenced by folding, a supporting plate 9 is in a folded state, the lower supporting leg is obliquely matched with the upper supporting leg 9, and the lower supporting leg is obliquely matched with the upper supporting leg 9 through the corresponding hole 2 through the threaded hole 6 when the corresponding to the threaded hole 5 is formed, and the lower supporting leg 2 is obliquely arranged through the corresponding to the shell 2 through the threaded hole 5 when the threaded hole, and the device is in a position shown in the figure, when the lower supporting device is inserted through the lower supporting device is in a position and can be inserted through the corresponding hole through the threaded hole 5. The lower supporting leg 11 is provided with a through hole, the position of the through hole corresponds to the position of the notch 4, the lower supporting leg 11 can be clamped into the corresponding notch 4 after being turned downwards around the pin shaft to be unfolded, the inner surface of the notch 4 is an inclined surface, the lower supporting leg 11 can be attached to the inclined inner surface after being clamped into the notch 4, at the moment, the length direction of the threaded hole 5 is perpendicular to the inclined surface, and the bolt 6 penetrates through the through hole in the lower supporting leg 11 in an inclined mode and is inserted into the threaded hole 5 to form detachable threaded connection, so that the whole device is shown in fig. 6. Otherwise, the same as in example 1 was used.
Example 3:
the embodiment 3 of the utility model discloses a combined infrared range finder, which comprises a base 1 and a shell 2, wherein the shell 2 is a cylindrical shell 2, the base 1 is a circular plate, the lower end opening of the shell 2 is in threaded connection with the base 1 in a detachable connection mode, threads are arranged on the inner surface of the lower end opening of the shell 2 and a rubber sealing layer is removed, threads are also arranged on the side surface of the base 1, the lower end opening of the shell 2 is in threaded connection with the side surface of the base 1 in a screwing mode, a bolt 6 is positioned in a notch 4 corresponding to the bolt 6, and the bolt 6 can be inserted into a threaded hole 5 corresponding to the bolt 6 to form detachable threaded connection. The same as in example 1 applies to the other cases.
Example 4:
in the embodiment 4 of the utility model, a strip-shaped protrusion 15 is arranged on the inner surface of an opening at the lower end of a shell 2, a plurality of strip-shaped protrusions 15 are in one-to-one correspondence with a plurality of openings 4, when the opening at the lower end of the shell 2 is sleeved on a base 1, the strip-shaped protrusions 15 are embedded into the corresponding openings 4, a bolt 6 can penetrate through the side wall of the shell 2 and the strip-shaped protrusions 15 and is inserted into a corresponding threaded hole 5 to form detachable threaded connection, and the state of the whole device is shown in fig. 9.
It should be noted that when the sleeve 8 is in the descending state, the plurality of upper supporting legs 10 are folded and retracted and are adhered to the outer side surface of the sleeve 8, the plurality of lower supporting legs 11 are clamped into the corresponding notch 4, the casing 2 can be buckled on the base 1 and covers the sleeve 8, the supporting plate 9, the plurality of upper supporting legs 10 and the plurality of lower supporting legs 11, the strip-shaped protrusions 15 are embedded into the corresponding notch 4, the strip-shaped protrusions 15 are matched with the inner surfaces of the notches 4 to clamp and fix the lower supporting legs 11, the bolts 6 penetrate through the side walls of the casing 2, the strip-shaped protrusions 15 and the lower supporting legs 11 and then are inserted into the threaded holes 5 to form detachable threaded connection, and the upper supporting legs 10 and the lower supporting legs 11 are kept in the folding and retracted state under the limitation of the bolts 6. Otherwise, the same as in example 1 was used.
The above technical solution only represents the preferred technical solution of the present utility model, and some changes that may be made by those skilled in the art to some parts of the technical solution represent the principles of the present utility model, and the technical solution falls within the scope of the present utility model.
Claims (6)
1. The utility model provides a combination type infrared range finder, includes base (1), shell (2) and infrared range finding unit, shell (2) are upper end and the equal open-ended transparent tube-shape casing of lower extreme, the upper end opening part installation buckle closure of shell (2), the lower extreme opening part of shell (2) can entangle base (1), a serial communication port, upper surface fixed mounting stand (3) of base (1), stand (3) can be arranged in shell (2), infrared range finding unit cover is in on stand (3), infrared range finding unit can be in slide on stand (3), when infrared range finding unit is in the state of rising, shell (2) with base (1) separation, infrared range finding unit can expand and form tripod type infrared range finding structure, when infrared range finding unit is in the state of falling, infrared range finding unit can pack up, shell (2) can cover range finding infrared range finding unit and place in stand (3), be equipped with a plurality of openings (4) are in the same way as one by one or a plurality of openings (4) are formed in the base (1), a plurality of openings (4) are opened up to one by the side, the top surface of the base (4) is equipped with a plurality of openings (4) are opened up to be connected with each other, the infrared distance measuring device is characterized in that a threaded hole (5) is formed in the inner surface of the opening (4), the bolt (6) can penetrate through the side wall of the shell (2) and the lower end of the infrared distance measuring unit and is inserted into the opening (4) corresponding to the infrared distance measuring unit, the bolt (6) can form detachable threaded connection with the threaded hole (5) in the corresponding opening (4), the upper end opening of the shell (2) is detachably connected with the buckle closure through threads, the upper end of the infrared distance measuring unit is close to the lower surface of the buckle closure in a storage state, after the buckle closure is detached, the upper end of the infrared distance measuring unit can be exposed out of the upper end opening of the shell (2), a handle (7) is arranged on the outer side surface of the shell (2), and the base (1) is of a circular, rectangular or polygonal plate-shaped structure;
the infrared ranging unit comprises a sleeve (8), the sleeve (8) is sleeved on the upright post (3), the inner surface of the sleeve (8) can form interference fit with the side surface of the upright post (3), a supporting plate (9) is detachably arranged at the upper end of the sleeve (8), the outer edge of the supporting plate (9) is attached to the inner surface of the shell (2), the upper surface of the supporting plate (9) is close to an upper end opening of the shell (2), an infrared emitter and an infrared receiver are arranged on the upper surface of the supporting plate (9), a signal processing circuit and a control circuit are arranged on the lower surface of the supporting plate (9), a display is arranged on the outer side surface of the sleeve (8), a plurality of folding supporting structures are arranged on the outer side surface of the sleeve (8) in a one-to-one correspondence relationship with the openings (4), when the sleeve (8) is in a descending state, the folding supporting structures are folded and clamped into the corresponding openings (4), the supporting structures can be buckled on the shell (2) and can be inserted into the supporting structures (1) and the threaded holes (5) through the supporting structures, the folding support structure is kept in a folded state under the limitation of the bolt (6); when the sleeve (8) is in a rising state, the shell (2) is separated from the base (1), the folding support structure is unfolded and clamped into the corresponding notch (4), the bolt (6) penetrates through the folding support structure and then is inserted into the threaded hole (5) to form detachable threaded connection, the folding support structure is kept in an unfolded state under the limitation of the bolt (6), the folding support structure comprises an upper support leg (10) and a lower support leg (11), one end of the upper support leg (10) is movably connected with the lower end of the outer side face of the sleeve (8) through a pin shaft, the other end of the upper support leg (10) is movably connected with one end of the lower support leg (11) through a connecting rod (12), the other end of the lower support leg (11) is a tip, the length value of the lower support leg (11) is larger than that of the upper support leg (10), through holes are formed in the upper end of the lower support leg (11) and the lower end of the lower support leg (11), when the upper support leg (10) and the lower support leg (11) are clamped into the threaded hole (11) and the threaded hole (5) are correspondingly inserted into the threaded hole (4), when the upper supporting leg (10) and the lower supporting leg (11) are unfolded, the upper end of the lower supporting leg (11) is clamped into the corresponding notch (4), and the bolt (6) penetrates through the through hole at the upper end of the lower supporting leg (11) and is inserted into the threaded hole (5) to form detachable threaded connection.
2. The combined infrared range finder according to claim 1, wherein one end of the connecting rod (12) is movably connected with the other end of the upper supporting leg (10) through a pin shaft, the other end of the connecting rod (12) is movably connected with one end of the lower supporting leg (11) through a pin shaft, the pin shafts at two ends of the connecting rod (12) respectively form interference fit with the other end of the upper supporting leg (10) and one end of the lower supporting leg (11), and when the upper supporting leg (10) or the lower supporting leg (11) rotates around the pin shaft, friction force for preventing rotation is generated.
3. A combined infrared range finder according to claim 2, characterized in that the dimensions of the lower support leg (11) are matched with the dimensions of the corresponding gap (4), and that the gap (4) clamps and fixes the lower support leg (11) when the lower support leg (11) is snapped into the corresponding gap (4).
4. A combined infrared range finder according to claim 3, wherein a plurality of the notches (4) are equiangularly distributed along the edge of the base (1), the shape of the notches (4) is a "U" shape, the number of the notches (4) is not less than three, the inner surface of the notch (4) is a vertical surface or an inclined surface, and the length direction of the threaded hole (5) is kept vertical to the inner surface of the notch (4).
5. A combined infrared range finder according to any one of claims 1-4, characterized in that a plurality of connecting ropes (13) are arranged between the lower end opening of the sleeve (8) and the upper surface of the base (1), one end of each connecting rope (13) is detachably connected with the lower end opening of the sleeve (8), the other end of each connecting rope (13) is detachably connected with the upper surface of the base (1), and the length value of each connecting rope (13) is smaller than that of each upright (3).
6. The combined infrared range finder according to claim 5, wherein a locking bolt (14) is mounted on the side surface of the sleeve (8), the locking bolt (14) penetrates through the side wall of the sleeve (8) and is in threaded connection with the side wall of the sleeve (8), one end of the locking bolt (14) can extend into the inner cavity of the sleeve (8) and lock the upright post (3), and the locking bolt (14) is close to the lower end opening of the sleeve (8).
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