CN218922579U

CN218922579U - Metering verification calibrating device of height measuring instrument

Info

Publication number: CN218922579U
Application number: CN202222735539.4U
Authority: CN
Inventors: 秦颖
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-04-28
Anticipated expiration: 2032-10-17

Abstract

The utility model discloses a metering verification calibration device of a height measuring instrument, and relates to the technical field of calibration. The device comprises a first rotating rod and a second rotating rod, wherein limiting mechanisms used for fixing the length are arranged at the inner parts of the first rotating rod and the second rotating rod. According to the height measuring instrument, through the arrangement of the first rotating rod and the second rotating rod, when the height measuring instrument is calibrated, the upper end and the lower end of the first rotating rod and the lower end of the second rotating rod are abutted against the measuring part of the height measuring instrument by unfolding the first rotating rod and the second rotating rod, an operator is prevented from holding the laser distance measuring instrument during calibration, the hand shake of the operator is avoided, the measuring error is reduced, meanwhile, the lengths of the first rotating rod and the second rotating rod are prolonged through the first extending rod and the second extending rod, the compatibility of the height measuring instrument is improved, fine adjustment of the height is realized through the threaded rod matched with the threaded hole, the measuring precision is further ensured, and the measuring precision of the height measuring instrument is improved.

Description

Metering verification calibrating device of height measuring instrument

Technical Field

The utility model relates to the technical field of calibration, in particular to a metering verification calibration device of a height measuring instrument.

Background

Along with the development of economy and the improvement of living standard, people pay more attention to various body data of the people, such as weight, height and the like; by analyzing the weight data and the height data, the body type, the obesity and other conditions of a person can be roughly judged, and the long-term weight data change can be used as an important index of the change of the physical health condition of the person; so, people are paying more attention to their own height and weight data.

At present, when calibrating the height measuring instrument, the distance from the top of the height measuring instrument to the measuring bearing platform is often measured by adopting the laser distance measuring instrument, so that the height calibration is realized, an operator is required to hold the laser distance measuring instrument in the hand during the calibration, thereby the hand shake of the operator during the calibration is caused, the error of the laser distance measuring instrument during the measurement is increased, the accuracy of the height measuring instrument is further reduced, and the metering verification calibration device for the height measuring instrument is provided.

Disclosure of Invention

The utility model aims at: in order to solve the problem that the hand shake exists in an operator during calibration, so that the error of a laser range finder during measurement is increased, the utility model provides a metering verification calibration device for a height measuring instrument.

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides a survey metrological verification calibrating device of height appearance, includes first dwang and second dwang, first dwang and second dwang internal portion all are provided with the stop gear who is used for fixed length, first dwang and second dwang bottom are provided with the joint mechanism that is used for fixed, the second dwang outside is provided with the fixed establishment who is used for accomodating.

Further, a first sliding hole is formed in the top of the first rotating rod, and a first telescopic rod is connected inside the first sliding hole in a sliding mode.

Further, the second sliding hole has been seted up at second dwang top, the inside sliding connection second telescopic link of second sliding hole, the screw hole has all been seted up on first telescopic link and second telescopic link top, the screw hole is inside all to rotate and is connected with the threaded rod, the equal rotation in threaded rod top is connected with the connecting plate, connecting plate opposite face one end all fixedly connected with laser range finder.

Further, the fixing mechanism comprises a rotating shaft, the rotating shafts are respectively fixed at the front end and the rear end of the first rotating rod and the front end and the rear end of the second rotating rod, and the outer sides of the front end and the rear end of the rotating shaft are rotationally connected with fixing frames.

Further, stop gear includes stop spring, stop spring is at the inside fixed connection of first dwang and second dwang, both ends all fixedly connected with stopper around the stop spring, a plurality of spacing holes have been seted up to first dwang and second dwang front side, a plurality of spacing holes from top to bottom evenly distributed, and spacing hole and stopper looks adaptation.

Further, joint mechanism includes T shape connecting block and fixed slot, T shape connecting block top and first dwang are fixed mutually, the equal fixedly connected with fixed strip in both ends of bottom around the T shape connecting block, the fixed slot is seted up in the second dwang bottom, the inside sliding connection of fixed slot has the sliding frame, the equal fixedly connected with sliding spring in both sides around the sliding frame left end, and sliding spring left end and second dwang are fixed mutually, sliding frame right-hand member fixedly connected with presses the pole, and presses the pole to slide in the inside of second dwang, a plurality of logical grooves have all been seted up to fixed strip and sliding frame bottom, a plurality of logical groove is by controlling to right evenly distributed, and fixed strip and logical groove length are the same.

The beneficial effects of the utility model are as follows:

according to the height measuring instrument, through the arrangement of the first rotating rod and the second rotating rod, when the height measuring instrument is calibrated, the upper end and the lower end of the first rotating rod and the lower end of the second rotating rod are abutted against the measuring part of the height measuring instrument by unfolding the first rotating rod and the second rotating rod, an operator is prevented from holding the laser distance measuring instrument during calibration, the hand shake of the operator is avoided, the measuring error is reduced, meanwhile, the lengths of the first rotating rod and the second rotating rod are prolonged through the first extending rod and the second extending rod, the compatibility of the height measuring instrument is improved, fine adjustment of the height is realized through the threaded rod matched with the threaded hole, the measuring precision is further ensured, and the measuring precision of the height measuring instrument is improved.

Through the setting of joint mechanism, realized expanding first dwang and second dwang and pass through the slip frame and be connected first dwang and second dwang under the cooperation of T shape connecting block, avoided first dwang and second dwang rotation to lead to measurement data to produce the error when using to the precision of calibration has been ensured.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is an expanded state view of the first and second rotating levers of the present utility model;

FIG. 3 is a partial cross-sectional view of a first rotary lever of the present utility model;

FIG. 4 is an enlarged view of portion A of FIG. 3 in accordance with the present utility model;

FIG. 5 is an enlarged view of the clamping mechanism of the present utility model;

FIG. 6 is a side cross-sectional view of the spacing mechanism of the present utility model;

reference numerals: 1. a first rotating lever; 101. a first telescopic rod; 102. a threaded rod; 103. a connecting plate; 104. a laser range finder; 2. a second rotating lever; 201. a second telescopic rod; 3. a fixing mechanism; 301. a rotating shaft; 302. a fixed frame; 4. a limiting mechanism; 401. a limiting hole; 402. a limiting block; 403. a limit spring; 5. a clamping mechanism; 501. a T-shaped connecting block; 502. a fixing groove; 503. a sliding frame; 504. a through groove; 505. a sliding spring; 506. pressing the pressing rod.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

The electrical components are all connected with an external main controller and 220V mains supply, and the main controller can be conventional known equipment for controlling a computer and the like.

In describing embodiments of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of description and simplification of description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

As shown in fig. 1 to 6, a metering calibration device for a height measuring instrument comprises a first rotating rod 1 and a second rotating rod 2, wherein limiting mechanisms 4 for fixing the length are respectively arranged at the inner parts of the first rotating rod 1 and the second rotating rod 2, a clamping mechanism 5 for fixing is arranged at the bottom of the first rotating rod 1 and the bottom of the second rotating rod 2, a fixing mechanism 3 for accommodating is arranged at the outer side of the second rotating rod 2, in the embodiment, when the height measuring instrument is required to be calibrated by using the device, limiting of the first rotating rod 1 and the second rotating rod 2 is firstly relieved through the fixing mechanism 3, then the first rotating rod 1 and the second rotating rod 2 are unfolded, so that the first rotating rod 1 and the second rotating rod 2 are bent through the clamping mechanism 5, the first rotating rod 1 and the second rotating rod 2 cannot be calibrated, finally, after the calibration is completed, the first rotating rod 1 and the second rotating rod 2 are connected through the clamping mechanism 5, the first rotating rod 1 and the second rotating rod 2 can be conveniently accommodated, and the first rotating rod 1 and the second rotating rod 2 can be conveniently folded, and the first rotating rod 1 and the second rotating rod 2 can be prevented from being folded, and the first rotating rod 2 can be conveniently folded, and the first rotating rod 1 and the second rotating rod 2 can be prevented from being conveniently folded, and the first rotating rod 1 and the first rotating rod 2 and the rotating rod 2 can be conveniently folded and the rotating rod 2.

As shown in fig. 1, 2, 3, 5 and 6, a first sliding hole is formed in the top of the first rotating rod 1, a first telescopic rod 101 is slidably connected in the first sliding hole, and in this embodiment, the length of the first rotating rod 1 is prolonged by matching the first telescopic rod 101 with a limiting mechanism 4 during calibration, so that the compatibility of the device is improved.

As shown in fig. 1, 2, 3, 5 and 6, the second sliding hole is provided at the top of the second rotating rod 2, the second telescopic rod 201 is connected to the second sliding hole in a sliding manner, the threaded holes are provided at the top ends of the first telescopic rod 101 and the second telescopic rod 201, the threaded rods 102 are connected to the threaded holes in a rotating manner, the connecting plates 103 are connected to the top of the threaded rods 102 in a rotating manner, the laser range finders 104 are fixedly connected to one ends of the opposite surfaces of the connecting plates 103, in this embodiment, the length of the second rotating rod 2 is prolonged through the second rotating rod 2 in cooperation with the limiting mechanism 4 during calibration, compatibility of the device is improved, fine adjustment is performed through the length of the threaded rods 102, calibration accuracy is ensured, and the height measuring instrument is calibrated through the laser range finders 104 after adjustment.

As shown in fig. 1, 2, 3, 5 and 6, the fixing mechanism 3 includes a rotation shaft 301, the rotation shaft 301 is fixed at the front and rear ends of the first rotation rod 1 and the second rotation rod 2, respectively, the outer sides of the front and rear ends of the rotation shaft 301 are rotatably connected with a fixing frame 302, in this embodiment, when the first rotation rod 1 and the second rotation rod 2 are stored, the fixing frame 302 is rotated first, so that the fixing frame 302 limits the first rotation rod 1 and the second rotation rod 2, the first rotation rod 1 and the second rotation rod 2 are prevented from being unfolded, when the first rotation rod 1 and the second rotation rod 2 need to be unfolded, the fixing frame 302 is rotated reversely, so that the fixing frame 302 is turned to the side of the second rotation rod 2 from the outer side of the first rotation rod 1, and the limit of the second rotation rod 2 is released, and the first rotation rod 1 and the second rotation rod 2 can be unfolded.

As shown in fig. 1, 2, 3, 6, stop mechanism 4 includes stop spring 403, stop spring 403 is at the inside fixed connection of first dwang 1 and second dwang 2, both ends all fixedly connected with stopper 402 around stop spring 403, a plurality of spacing holes 401 have been seted up to first dwang 1 and second dwang 2 front side, a plurality of spacing holes 401 down evenly distributed, and spacing holes 401 and stopper 402 looks adaptation, in this embodiment, the length of threaded rod 102 is greater than the interval length of adjacent spacing holes 401, when the length of first dwang 1 and second dwang 2 needs to be prolonged, first pinch stopper 402, thereby stopper 402 moves in opposite directions, make stopper 402 break away from spacing holes 401, and then release the spacing to first telescopic link 101 and second telescopic link 201, be convenient for take out the length of first dwang 1 and second telescopic link 201 change first dwang 1, after adjusting to suitable length, at first with stopper 402 and spacing holes 401 align, simultaneously with stopper 402 from inside with the spacing holes 401 under the promotion of stop spring 403, thereby the first telescopic link 101 and second telescopic link 201 have been avoided calibrating the first telescopic link 101 and second telescopic link 201 when the first telescopic link 101 and second telescopic link 201.

As shown in fig. 1, 3, 4 and 5, the clamping mechanism 5 comprises a T-shaped connecting block 501 and a fixing groove 502, the top end of the T-shaped connecting block 501 is fixed with the first rotating rod 1, both ends of the front and back bottom ends of the T-shaped connecting block 501 are fixedly connected with fixing strips, the fixing groove 502 is arranged at the bottom end of the second rotating rod 2, a sliding frame 503 is slidingly connected inside the fixing groove 502, both front and back sides of the left end of the sliding frame 503 are fixedly connected with a sliding spring 505, and the left end of the sliding spring 505 is fixed with the second rotating rod 2, the right end of the sliding frame 503 is fixedly connected with a pressing rod 506, the pressing rod 506 slides in the second rotating rod 2, the bottom of the fixed bar and the sliding frame 503 are provided with a plurality of through grooves 504, the plurality of through grooves 504 are uniformly distributed from left to right, the lengths of the fixed bar and the through grooves 504 are the same, in this embodiment, the fixing bar and the sliding frame 503 form a plurality of corresponding fixing blocks under the division of the through groove 504, the buckling connection is formed by the staggering of the fixing blocks when the first rotating rod 1 and the second rotating rod 2 are fixed, so that the first rotating rod 1 and the second rotating rod 2 are prevented from continuing to rotate after being unfolded, after the first and second

rotating levers

1 and 2 are unfolded, the pressing lever 506 is first pressed, so that the pressing lever 506 pushes the sliding frame 503 to move inside the fixing groove 502, so that the through groove 504 at the bottom end of the sliding frame 503 is aligned with the fixing bar, and the fixing bar is inserted into the through groove 504 at the bottom end of the sliding frame 503, and after the insertion is completed, the pressing bar 506 is released, the sliding frame 503 is driven to move reversely by the pushing of the sliding spring 505, so that the through groove 504 at the bottom end of the sliding frame 503 is staggered with the fixing strip, and finally the first rotating rod 1 and the second rotating rod 2 are fixed under the cooperation of the sliding frame 503 and the fixing strip, avoiding rotation of the first and second

rotatable levers

1, 2 during use ensures the stability of the device in use.

In sum, when the height measuring instrument needs to be calibrated by using the device, firstly, the limit of the first rotating rod 1 and the second rotating rod 2 is released by the fixing mechanism 3, then the first rotating rod 1 and the second rotating rod 2 are unfolded, so that the first rotating rod 1 and the second rotating rod 2 are fixed by the clamping mechanism 5, the situation that the first rotating rod 1 and the second rotating rod 2 are bent when in use, and cannot be calibrated is avoided, finally, the height measuring instrument is calibrated by the unfolded device, after the calibration is finished, the first rotating rod 1 and the second rotating rod 2 are connected by the clamping mechanism 5, so that the first rotating rod 1 and the second rotating rod 2 can be folded and stored, the length of the device is shortened, the carrying and the transportation are convenient, meanwhile, the first rotating rod 1 and the second rotating rod 2 are fixed by the fixing mechanism 3, the first rotating rod 1 and the second rotating rod 2 are prevented from being unfolded after being stored, the first rotating rod 1 and the second rotating rod 2 are damaged, the length of the first rotating rod 1 is prolonged through the first telescopic rod 101 matched with the limiting mechanism 4 during calibration, the compatibility of the device is improved, the length of the second rotating rod 2 is prolonged through the second rotating rod 2 matched with the limiting mechanism 4 during calibration, the compatibility of the device is improved, fine adjustment is performed through the length of the threaded rod 102, the accuracy of calibration is ensured, the height measuring instrument is calibrated through the laser distance meter 104 after the adjustment is completed, when the first rotating rod 1 and the second rotating rod 2 are accommodated, the fixing frame 302 is rotated firstly, the first rotating rod 1 and the second rotating rod 2 are limited by the fixing frame 302, the first rotating rod 1 and the second rotating rod 2 are prevented from being unfolded, when the first rotating rod 1 and the second rotating rod 2 are required to be unfolded, the fixing frame 302 is rotated reversely first, the fixed frame 302 is turned to the second rotating rod 2 from the outer side of the first rotating rod 1, so that the limit of the first rotating rod 1 and the second rotating rod 2 is released, the first rotating rod 1 and the second rotating rod 2 can be unfolded, the length of the threaded rod 102 is larger than the distance length of the adjacent limit holes 401, when the length of the first rotating rod 1 and the second rotating rod 2 needs to be prolonged, the limit block 402 is firstly pinched, the limit block 402 is accordingly moved towards each other, the limit block 402 is separated from the limit holes 401, the limit of the first telescopic rod 101 and the second telescopic rod 201 is further released, the first telescopic rod 101 and the second telescopic rod 201 are conveniently pulled out, the length of the first rotating rod 1 and the second rotating rod 2 is conveniently changed, after the first rotating rod 1 and the second rotating rod 2 are adjusted to be suitable, the limit block 402 is firstly aligned with the limit holes 401, and the limit block 402 is pushed out of the limit holes 401 under the pushing of the limit springs 403, thereby the limiting block 402 is matched with the limiting hole 401, so that the first telescopic rod 101 and the second telescopic rod 201 are limited, the first telescopic rod 101 and the second telescopic rod 201 are prevented from sliding during calibration, the calibration precision is ensured, the fixing bars and the sliding frame 503 are divided into a plurality of corresponding fixing blocks under the division of the through grooves 504, the first rotating rod 1 and the second rotating rod 2 are prevented from continuing to rotate after being unfolded through the staggered formation buckling of the fixing blocks during fixing, after the first rotating rod 1 and the second rotating rod 2 are unfolded, the pressing bar 506 is pressed at first, the sliding frame 503 is pushed to move in the fixing grooves 502 by the pressing bar 506, the through grooves 504 at the bottom end of the sliding frame 503 are aligned with the fixing bars, the fixing bars are inserted into the through grooves 504 at the bottom end of the sliding frame 503, the pressing bar 506 is released after the insertion is completed, the sliding frame 503 is driven to move reversely under the pushing of the sliding spring 505, therefore, the through groove 504 at the bottom end of the sliding frame 503 is staggered with the fixing strip, and finally the first rotating rod 1 and the second rotating rod 2 are fixed under the cooperation of the sliding frame 503 and the fixing strip, so that the first rotating rod 1 and the second rotating rod 2 are prevented from rotating when in use, and the use stability of the device is ensured.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a survey metrological verification calibrating device of height appearance, its characterized in that, including first dwang (1) and second dwang (2), first dwang (1) and second dwang (2) internal portion all are provided with stop gear (4) that are used for fixed length, first dwang (1) and second dwang (2) bottom are provided with joint mechanism (5) that are used for fixed, second dwang (2) outside is provided with fixed establishment (3) that are used for accomodating.

2. The metrological calibration device of a height measuring instrument according to claim 1, wherein a first sliding hole is formed in the top of the first rotating rod (1), and a first telescopic rod (101) is slidably connected to the inside of the first sliding hole.

3. The metering calibration device for the height measuring instrument according to claim 2, wherein a second sliding hole is formed in the top of the second rotating rod (2), the second sliding hole is internally connected with a second telescopic rod (201) in a sliding mode, threaded holes are formed in the tops of the first telescopic rod (101) and the second telescopic rod (201), threaded rods (102) are rotatably connected in the threaded holes, connecting plates (103) are rotatably connected to the tops of the threaded rods (102), and laser range finders (104) are fixedly connected to one ends of opposite faces of the connecting plates (103).

4. A metrological calibration device for a height measuring instrument according to claim 3, wherein the fixing mechanism (3) comprises a rotating shaft (301), the rotating shaft (301) is respectively fixed at the front end and the rear end of the first rotating rod (1) and the second rotating rod (2), and a fixing frame (302) is rotatably connected to the outer sides of the front end and the rear end of the rotating shaft (301).

5. The metering calibration device for the height measuring instrument according to claim 1, wherein the limiting mechanism (4) comprises a limiting spring (403), the limiting spring (403) is fixedly connected inside the first rotating rod (1) and the second rotating rod (2), limiting blocks (402) are fixedly connected to the front end and the rear end of the limiting spring (403), a plurality of limiting holes (401) are formed in the front sides of the first rotating rod (1) and the second rotating rod (2), the limiting holes (401) are uniformly distributed from top to bottom, and the limiting holes (401) are matched with the limiting blocks (402).

6. The metering calibration device for the height measuring instrument according to claim 1, wherein the clamping mechanism (5) comprises a T-shaped connecting block (501) and a fixing groove (502), the top end of the T-shaped connecting block (501) is fixed with a first rotating rod (1), fixing strips are fixedly connected to the two ends of the front bottom end and the rear bottom end of the T-shaped connecting block (501), the fixing groove (502) is formed in the bottom end of a second rotating rod (2), a sliding frame (503) is slidably connected to the inside of the fixing groove (502), sliding springs (505) are fixedly connected to the front side and the rear side of the left end of the sliding frame (503), the left end of the sliding springs (505) are fixed with the second rotating rod (2), the right end of the sliding frame (503) is fixedly connected with a pressing rod (506), the pressing rod (506) slides in the inside of the second rotating rod (2), a plurality of through grooves (504) are uniformly distributed from left to right, and the lengths of the through grooves (504) are identical to the fixing strips.