CN219607933U - Helmet goggles angle detection device that opens and shuts - Google Patents
Helmet goggles angle detection device that opens and shuts Download PDFInfo
- Publication number
- CN219607933U CN219607933U CN202320695068.0U CN202320695068U CN219607933U CN 219607933 U CN219607933 U CN 219607933U CN 202320695068 U CN202320695068 U CN 202320695068U CN 219607933 U CN219607933 U CN 219607933U
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- gauge block
- ruler
- block
- lifting rod
- detection device
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model discloses a helmet goggles opening and closing angle detection device, which comprises a gauge block, a lifting rod and a base; the lifting rod is vertically arranged on the base, the top end of the lifting rod is connected with the left end of a fixing rod which is horizontally arranged, the inside of the gauge block is hollow, the gauge block is sleeved at the right end of the fixing rod, and the gauge block is in sliding connection with the fixing rod; the gauge block is provided with an L-shaped right-angle positioning ruler, an L-shaped calibration block and a magnetic attraction ruler, the bottom of the horizontal section of the L-shaped right-angle positioning ruler is attached to the top of the gauge block, the inner side of the vertical section is attached to one side surface of the gauge block, the L-shaped calibration block is attached to the other side surface of the gauge block, the top of the horizontal section of the L-shaped calibration block is attached to the bottom of the horizontal section of the L-shaped right-angle positioning ruler, the side edge of the magnetic attraction ruler is attached to the inner side of the vertical section of the L-shaped calibration block, and the magnetic attraction ruler is perpendicular to the gauge block; the lower end of the outer part of the gauge block and the right side of the magnetic suction ruler are both provided with length scales, the right end of the gauge block is a zero scale end, and the bottom of the magnetic suction ruler is a zero scale end. Whether the opening and closing angle of the helmet accords with the national standard can be detected rapidly, and detection precision is provided.
Description
Technical Field
The utility model belongs to the field of helmet detection, and relates to a helmet goggles opening and closing angle detection device.
Background
The helmet needs to detect the relevant performance of the helmet before entering the market, and the opening and closing angle of the goggles of the helmet is one of detection items of national standard GB811-2022 of the helmet for motorcycle passengers. When the helmet goggles are opened to the uppermost end, the opening and closing angle between the connecting line of the highest end point of the upper edge of the goggles and the lowest end point of the lower edge of the goggles and the horizontal line is more than or equal to 5 degrees. At present, an angle meter is generally used for measurement, and the uncertainty of a test is large and the reproducibility is poor due to shaking of hands during measurement. And because the goggles are arc-shaped, the upper edge of the goggles always approaches the helmet when reaching the uppermost end, and the measurement by using a ruler is difficult.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides the helmet goggles opening and closing angle detection device which is convenient to operate, can rapidly detect whether the opening and closing angle of the helmet meets the national standard, and provides detection precision.
In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:
an opening and closing angle detection device of helmet goggles comprises a gauge block, a lifting rod and a base;
the lifting rod is vertically arranged on the base, the top end of the lifting rod is connected with the left end of a fixing rod which is horizontally arranged, the inside of the gauge block is hollow, the gauge block is sleeved at the right end of the fixing rod, and the gauge block is in sliding connection with the fixing rod;
the gauge block is provided with an L-shaped right-angle positioning ruler, an L-shaped calibration block and a magnetic attraction ruler, the bottom of the horizontal section of the L-shaped right-angle positioning ruler is attached to the top of the gauge block, the inner side of the vertical section is attached to one side surface of the gauge block, the horizontal section and the vertical section of the L-shaped calibration block are attached to the other side surface of the gauge block, the top of the horizontal section of the L-shaped calibration block is attached to the bottom of the horizontal section of the L-shaped right-angle positioning ruler, the side edge of the magnetic attraction ruler is attached to the inner side of the vertical section of the L-shaped calibration block, and the magnetic attraction ruler is perpendicular to the gauge block;
the magnetic straight ruler, the L-shaped right-angle positioning ruler and the L-shaped calibration block are made of magnetic materials, length scales are arranged at the lower end of the outer portion of the gauge block and the right side of the magnetic straight ruler, the right end of the gauge block is a zero scale end, and the bottom of the magnetic straight ruler is a zero scale end.
Preferably, the top surface of the base is provided with a vertical protruding column, the lifting rod is hollow, the lifting rod is coated on the protruding column and is in sliding connection with the protruding column, a first threaded through hole is formed in the lifting rod, a fastening screw is in threaded connection with the threaded through hole, and the lifting rod penetrates through the threaded through hole to be in contact with the protruding column.
Preferably, the two opposite surfaces of the lifting rod top end extend upwards, the two opposite surfaces of the fixing rod left end extend leftwards, the extending part of the lifting rod top end is attached to the extending part of the fixing rod left end, the extending part of the lifting rod top end and the extending part of the fixing rod left end are respectively provided with a second threaded through hole, and nuts are connected after quincuncial screws are arranged in the threaded holes and penetrate through the four second threaded through holes, so that the lifting rod top end and the fixing rod left end are connected.
Further, the extending part at the top end of the lifting rod is in cross fit with the extending part at the left end of the fixing rod.
Further, a bubble level is arranged on the gauge block.
Preferably, both sides of the fixed rod close to the right end and both sides of the gauge block close to the left end are provided with limiting blocks.
Preferably, the bottom of the base is provided with a plurality of wheels.
Preferably, the accuracy of the length scale is 1mm.
Preferably, the upper end of the inside of the gauge block and the upper part of the right end of the fixed rod are provided with guide rails which are matched with each other.
Compared with the prior art, the utility model has the following beneficial effects:
the lifting rod is arranged on the base, the vertical height can be adjusted, the gauge block is in sliding connection with the fixed rod, the gauge block can be horizontally moved, the 0 scale at the right end of the gauge block is enabled to contact the N point of the goggles to be detected, the magnetic attraction ruler is enabled to be vertical to the gauge block through the L-shaped right-angle positioning ruler and the L-shaped calibration block, the magnetic attraction ruler can be conveniently adjusted by magnetic materials, the magnetic attraction ruler can be adjusted in the horizontal and vertical directions, the 0 scale at the bottom of the magnetic attraction ruler is enabled to contact the M point of the goggles to be detected, the opening and closing angle of the helmet goggles is calculated through reading the scale degrees on the gauge block and the magnetic attraction ruler, the operation is convenient, whether the opening and closing angle of the helmet meets the national standard or not can be rapidly detected, and the detection precision is provided.
Furthermore, the levelness of the fixing rod can be adjusted by installing the plum blossom screws through the screw holes, so that the detection accuracy is ensured.
Further, the bubble level facilitates adjustment of the levelness of the fixing rod.
Further, the stopper can prevent that the gauge block from falling off with the dead lever.
Drawings
FIG. 1 is a schematic diagram of a detecting device according to the present utility model;
FIG. 2 is a cross-sectional view taken along line A-A in FIG. 1 in accordance with the present utility model;
fig. 3 is a schematic diagram of the detection device according to the present utility model.
Wherein: 1-gauge block; 2-lifting rods; 3-a base; 4-a magnetic suction ruler; 5-a guide rail; 6-fixing rods; 7-fastening a screw; the plum blossom screw is arranged in the 8-screw hole; 9-L-shaped positioning ruler; a 10-L calibration block; 11-bubble level; 12-limiting blocks.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all 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 the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in figure 1, the utility model relates to a helmet goggles opening and closing angle detection device, which comprises a gauge block 1, a lifting rod 2 and a base 3.
The base 3 is provided with wheels, and the position of the base is adjusted by sliding relative to the platform on the platform.
The bottom end of the lifting rod 2 is slidably arranged on the protruding column of the base 3, specifically: the lifting rod 2 is hollow, is coated on a protruding column on the left side of the base 3, is in sliding connection with the lifting rod, and vertically moves relative to the base 3, a first threaded through hole is formed in the lifting rod 2, a fastening screw 7 is in threaded connection with the threaded through hole, and penetrates through the threaded through hole to be in contact with the protruding column of the base 3, so that the lifting rod 2 is fixed.
The lifter 2 top is connected with the dead lever 6 left end that the level set up, and two opposite faces on lifter 2 top extend the setting upwards, and two opposite faces on dead lever 6 left end extend the setting towards the left side, and the extension on lifter 2 top is crossed and is laminated with the extension on dead lever 6 left end, and the extension on lifter 2 top all is provided with the second screw through-hole with the extension on dead lever 6 left end, adopts screw dress plum blossom screw 8 to pass behind four second screw through-holes and nut connection, is connected lifter 2 top and dead lever 6 left end to can carry out horizontal angle adjustment.
The magnetic suction ruler 4 is arranged outside the gauge block 1. The magnetic suction ruler 4 is fixed on the outer surface of the gauge block 1 through magnetic force. The gauge block 1 is hollow and sleeved at the right end of the fixed rod 6, a guide rail 5 matched with each other is arranged at the upper end of the gauge block 1 and the upper part of the right end of the fixed rod 6, and the gauge block 1 slides relative to the fixed rod 6. The lower end of the outer part of the gauge block 1 is provided with length scales.
The length scale is arranged at the lower end of the outer part of the gauge block 1, the precision is 1mm, the right end of the gauge block 1 is a zero scale end, and the total measuring range of the right end of the gauge block 1 from the left end is 0mm-200mm. The gauge block 1 is made of magnetic attraction metal. The magnetic attraction ruler 4 is made of magnetic attraction materials, length scales are arranged on the right side, the accuracy is 1mm, the length scales are fixed on the surface of the gauge block 1 through magnetic attraction of the gauge block 1, and the bottom of the magnetic attraction ruler 4 is a zero scale end. During testing, the 0 scale of the gauge block 1 is contacted with the N point of the goggles specified in the national standard GB811-2022, and the zero scale of the magnetic straight ruler 4 is contacted with the M point of the goggles specified in the national standard GB 811-2022. The perpendicular intersection of the gauge block 1 and the magnetic attraction ruler 4 is the length measured by the actual magnetic attraction ruler 4 and the gauge block 1.
The gauge block 1 is provided with a bubble level 11, and is horizontally leveled before testing. The fixing rod 6 is adjusted by using the plum blossom screw 8 arranged in the screw hole to carry out horizontal calibration. And after the screw hole is loosened and the plum blossom screw 8 is arranged to adjust the position, the screw hole is fastened and the plum blossom screw 8 is arranged to keep the gauge block 1 horizontal until the level gauge 11 is horizontal.
As shown in fig. 2, an L-shaped right angle positioning ruler 9 and an L-shaped calibration block 10 are arranged on the gauge block 1, the L-shaped right angle positioning ruler 9 and the L-shaped calibration block 10 are made of magnetic materials, and the inner corner region of the L-shaped right angle positioning ruler 9 is attached to the L-shaped calibration block 10 and the gauge block 1, specifically: the bottom of the horizontal section of the L-shaped right-angle positioning ruler 9 is attached to the top of the gauge block 1, the inner side of the vertical section is attached to one side surface of the gauge block 1, the horizontal section and the vertical section of the L-shaped calibration block 10 are attached to the other side surface of the gauge block 1, and the top of the horizontal section of the L-shaped calibration block 10 is attached to the bottom of the horizontal section of the L-shaped right-angle positioning ruler 9; the top of the magnetic ruler 4 is attached to the inner corner region of the L-shaped calibration block 10, specifically: the side edge of the magnetic straight ruler 4 is attached to the inner side of the vertical section of the L-shaped calibration block 10.
The L-shaped right angle positioning ruler 9 and the L-shaped calibration block 10 are made of magnetic materials. Before testing, the L-shaped positioning ruler 9 is placed at the upper end of the gauge block and is perpendicular to the gauge block 1, the L-shaped calibration block 10 is placed close to the L-shaped positioning ruler 9, and in order to ensure that the upper end of the L-shaped calibration block 10 is horizontal and is flush with the upper edge of the gauge block 1, the magnetic attraction ruler 4 is closely attached to the other end of the L-shaped right-angle positioning ruler 9, and the magnetic attraction ruler 4 is perpendicularly calibrated, so that the scales of the magnetic attraction ruler 4 are perpendicular to the scales of the gauge block 1.
Limiting blocks 12 are arranged on two sides of the fixed rod 6 close to the right end and two sides of the gauge block 1 close to the left end, so that the gauge block 1 is limited when sliding, and the gauge block 1 is prevented from falling off from the fixed rod 6.
The bottom of the base 3 is provided with a plurality of wheels which are symmetrically distributed along the bottom plate, so that the base 3 is ensured to be stable. When the opening and closing angles of the goggles are used for testing a plurality of identical samples, after the test is finished on one helmet, the base 3 is moved to replace the helmet. The next helmet test can be directly tested, and the working efficiency is improved.
The detection device is used for detecting the opening and closing angle of the helmet goggles, and comprises the following steps: the helmet goggles are lifted to the limit position and placed under the gauge block 1, the fixing rod 6 is leveled, the lifting rod 2 moves vertically relative to the base 3, after the fact that the bottom of the gauge block 1 is parallel to the upper edge of the goggles to be tested is confirmed, the lifting rod 2 is fixed by the locking fastening screw 7, the position of the gauge block 1 on the fixing rod 6 is adjusted, the 0 scale at the right end of the gauge block 1 contacts the N point of the goggles to be tested, the L-shaped calibration block 10 moves along the length direction of the L-shaped right angle positioning ruler 9 and the gauge block 1 and keeps fit all the time, the horizontal direction position of the magnetic attraction ruler 4 is adjusted, the magnetic attraction ruler 4 and the vertical section of the L-shaped calibration block 10 are vertically moved along the vertical section while the vertical section is always attached, the 0 scale at the bottom of the magnetic attraction ruler 4 contacts the M point of the goggles to be tested, and the opening and closing angle of the goggles is calculated by reading the scale degrees on the gauge block 1 and the magnetic attraction ruler 4 according to the formula angle = arctan gauge block 1 size reading.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided will be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but instead should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are incorporated herein by reference for the purpose of completeness. The omission of any aspect of the subject matter disclosed herein in the preceding claims is not intended to forego such subject matter, nor should the applicant not be considered to be a part of the disclosed subject matter.
Claims (9)
1. The helmet goggles opening and closing angle detection device is characterized by comprising a gauge block (1), a lifting rod (2) and a base (3);
the lifting rod (2) is vertically arranged on the base (3), the top end of the lifting rod (2) is connected with the left end of a fixed rod (6) which is horizontally arranged, the inside of the gauge block (1) is hollow, the gauge block (1) is sleeved at the right end of the fixed rod (6), and the gauge block (1) is in sliding connection with the fixed rod (6);
an L-shaped right angle positioning ruler (9), an L-shaped calibration block (10) and a magnetic attraction ruler (4) are arranged on the gauge block (1), the bottom of the horizontal section of the L-shaped right angle positioning ruler (9) is attached to the top of the gauge block (1), the inner side of the vertical section is attached to one side surface of the gauge block (1), the horizontal section and the vertical section of the L-shaped calibration block (10) are attached to the other side surface of the gauge block (1), the top of the horizontal section of the L-shaped calibration block (10) is attached to the bottom of the horizontal section of the L-shaped right angle positioning ruler (9), the side edge of the magnetic attraction ruler (4) is attached to the inner side of the vertical section of the L-shaped calibration block (10), and the magnetic attraction ruler (4) is perpendicular to the gauge block (1);
the magnetic straight ruler (4), the L-shaped right-angle positioning ruler (9) and the L-shaped calibration block (10) are made of magnetic materials, length scales are arranged at the lower end of the outer part of the gauge block (1) and the right side of the magnetic straight ruler (4), the right end of the gauge block (1) is a zero scale end, and the bottom of the magnetic straight ruler (4) is a zero scale end.
2. The helmet visor opening and closing angle detection device according to claim 1, wherein a vertical protruding column is arranged on the top surface of the base (3), the lifting rod (2) is hollow and is coated on the protruding column, the lifting rod and the protruding column are in sliding connection, a first threaded through hole is formed in the lifting rod (2), and a fastening screw (7) is in threaded connection with the threaded through hole and penetrates through the threaded through hole to be in contact with the protruding column.
3. The helmet visor opening and closing angle detection device according to claim 1, wherein two opposite faces at the top end of the lifting rod (2) are arranged in an upward extending manner, two opposite faces at the left end of the fixing rod (6) are arranged in a leftward extending manner, an extending portion at the top end of the lifting rod (2) is attached to an extending portion at the left end of the fixing rod (6), second threaded through holes are formed in the extending portion at the top end of the lifting rod (2) and an extending portion at the left end of the fixing rod (6), nuts are connected after quincuncial screws (8) are arranged in the threaded holes and penetrate through the four second threaded through holes, and the top end of the lifting rod (2) is connected with the left end of the fixing rod (6).
4. A helmet visor opening and closing angle detection device according to claim 3, wherein the extending portion of the top end of the lifting rod (2) is cross-fitted with the extending portion of the left end of the fixing rod (6).
5. A helmet visor opening and closing angle detection device according to claim 3, characterized in that the gauge block (1) is provided with a bubble level (11).
6. The helmet visor opening and closing angle detection device according to claim 1, wherein limiting blocks (12) are arranged on both sides of the fixing rod (6) close to the right end and both sides of the gauge block (1) close to the left end.
7. Helmet visor opening and closing angle detection device according to claim 1, characterized in that the bottom of the base (3) is provided with wheels.
8. The helmet visor opening and closing angle detection device according to claim 1, wherein the accuracy of the length scale is 1mm.
9. The helmet visor opening and closing angle detection device according to claim 1, wherein a guide rail (5) which is matched with each other is arranged at the upper end of the inside of the gauge block (1) and the upper part of the right end of the fixed rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320695068.0U CN219607933U (en) | 2023-03-31 | 2023-03-31 | Helmet goggles angle detection device that opens and shuts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320695068.0U CN219607933U (en) | 2023-03-31 | 2023-03-31 | Helmet goggles angle detection device that opens and shuts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219607933U true CN219607933U (en) | 2023-08-29 |
Family
ID=87744376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320695068.0U Active CN219607933U (en) | 2023-03-31 | 2023-03-31 | Helmet goggles angle detection device that opens and shuts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219607933U (en) |
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2023
- 2023-03-31 CN CN202320695068.0U patent/CN219607933U/en active Active
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