CN214818000U - Clamp for detecting illuminance of classroom writing board - Google Patents
Clamp for detecting illuminance of classroom writing board Download PDFInfo
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- CN214818000U CN214818000U CN202120984607.3U CN202120984607U CN214818000U CN 214818000 U CN214818000 U CN 214818000U CN 202120984607 U CN202120984607 U CN 202120984607U CN 214818000 U CN214818000 U CN 214818000U
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- 239000000523 sample Substances 0.000 claims abstract description 32
- 238000005286 illumination Methods 0.000 claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a clamp for classroom writing board illumination detection, which comprises a clamp body, wherein the clamp body is provided with a containing cavity for containing an illumination tester probe, a fastening device for fixing the illumination tester probe and a positioning device for positioning the illumination tester probe are arranged on the cavity of the containing cavity, and a telescopic device is arranged on the cavity of the containing cavity; fastener, including two threaded rods and a pull rod of setting on the anchor clamps body, pull rod and threaded rod evenly distributed are in the anchor clamps body outside, set up flutedly on the anchor clamps body, pull rod and anchor clamps body sliding connection, pull rod and threaded rod are close to the one end that holds the chamber and all extend to holding intracavity and fixedly connected with locating plate, the utility model discloses be provided with fastener among the device, be convenient for fix not unidimensional illumination tester's probe, and the practicality is strong.
Description
Technical Field
The utility model belongs to the technical field of mechanical fixture, concretely relates to classroom clipboard illuminance detects anchor clamps.
Background
The classroom illumination finished by new construction, reconstruction and extension is subjected to field detection before formal start, and specific detection items are not less than indexes such as desk surface illumination and uniformity, writing board surface illumination and uniformity, glare, hundred-lux illumination power density, color temperature, color rendering index and the like. Illuminance refers to the degree to which an object is illuminated, expressed in terms of the amount of light received per unit area. The illuminance tester is a special instrument for measuring illuminance.
The traditional illuminance measurement method is to fix a position the horizontal coordinate and the vertical coordinate of a writing board through a steel tape, the time consumption is long, the fixing is not accurate, the reproducibility is poor, the measurement precision is influenced, a detector needs to stand in front of the writing board for a long time and place a probe of a handheld illuminance tester at the designated position of the writing board during measurement, the writing board is easily polluted, the measurement operation is inconvenient to be completed by a single person, the labor is wasted, and the time and unsafe factors for detection can be increased because the uppermost-row measurement point of the writing board is higher.
In view of the above problems, an improved classroom tablet illuminance detection fixture is now devised.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anchor clamps that classroom clipboard illuminance detected to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a classroom clipboard illuminance detection's anchor clamps, includes the anchor clamps body, be equipped with the chamber that holds that is used for holding the illuminance tester probe on the anchor clamps body it is used for carrying out the fastener fixed to the illuminance tester probe to be equipped with on the cavity that holds the chamber, and is used for carrying out the positioner who fixes a position to the illuminance tester probe, is equipped with the telescoping device on the cavity that holds the chamber.
Fastener, including two threaded rods and a pull rod of setting on the anchor clamps body, pull rod and threaded rod evenly distributed are on anchor clamps body lateral wall, pull rod and threaded rod are close to the one end that holds the chamber and all extend to holding intracavity and fixedly connected with locating plate, anchor clamps body is inside to be seted up flutedly in pull rod through department, the inside one end of keeping away from and holding the chamber of recess is provided with the stopper with recess inner wall fixed connection, the one end that the locating plate was kept away from to the pull rod is provided with the pull ring, the one end that the locating plate was kept away from to the threaded rod is provided with the knob.
The pull rod penetrates through the limiting block, a spring is sleeved at the position, located at the lower end of the limiting block, of the pull rod, and the spring is located in the groove.
The positioning device comprises four grooves which are uniformly distributed on the outer side wall of the clamp body, positioning pins are arranged in the grooves in a rotating mode and comprise sleeves and sliding rods, one end of each sleeve is arranged in each groove through hinging, the inner wall of the other end of each sleeve is connected with a pull rod in a sliding mode, and scale marks are arranged on the sleeves and the pull rods.
The number of the drawing rods is 1-3, and the adjacent drawing rods are in telescopic connection.
The telescopic device is a telescopic rod, and the telescopic rod is rotatably connected with the side wall of the clamp body through a universal head.
The one end that anchor clamps body was kept away from to the telescopic link is provided with the rubber handle.
And a cushion pad is arranged on the surface of the positioning plate.
The telescopic link is made of aluminum alloy materials.
The positioning foot is made of plastic materials.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the utility model is provided with a positioning component, when in use, the probe of the illumination tester is put into the middle position of the accommodating cavity, the knob is rotated to drive the threaded rod to rotate, thereby driving the positioning plate fixedly connected with the threaded rod to move until the positioning plate is contacted with the probe of the illumination tester, under the action of the spring, the positioning plate fixedly connected with the pull rod can be always abutted against the probe of the illumination tester, thereby clamping and fixing the probe of the illumination tester, improving the clamping effect, being convenient for measurement, simultaneously being suitable for clamping and fixing the probes with different sizes and different shapes, when only needing the first positioning, the probe of the illumination tester is fixed in the accommodating cavity of the clamp, and the adjustment is not needed again at the back, thereby preventing the phenomenon that the position of the probe of the illumination tester deviates due to the hand shake of a tester, and pulling the pull ring in the direction far away from the accommodating cavity after the measurement is finished, the pull rod can be driven to move towards the direction far away from the positioning plate, so that the probe is removed from being fixed, the device is convenient to disassemble, and the practicability of the device is improved.
2) The utility model discloses in the device the anchor clamps body outside be provided with four location feet that the interval equals, through adjusting the length of four location feet, be convenient for fix a position the check point, can reduce measuring error simultaneously, single can accomplish the measurement operation simultaneously, practice thrift the manpower, the telescopic link rotates with the anchor clamps body through universal head to be connected, be convenient for adjust the angle of telescopic link, prevent to shelter from observing the sight, improve the travelling comfort of use, the length homoenergetic of telescopic link and location foot is adjusted, and whole light in weight, portable, the practicality is strong; the locating foot can realize the upset of the biggest 90 in the articulated recess mutually, will fix a position the foot and all overturn 90 degrees (rotate towards the rear side wall of the chamber that holds that the recess corresponds) when not measuring and be convenient for accomodate and deposit.
3) The utility model discloses the device can realize once fixing a position when using, and one row is measurable, can practice thrift a large amount of check-out time, and the location of every point all is unique, and measurement reproducibility is high, improves measurement accuracy, reduces the chance of measurement personnel and classroom clipboard direct contact simultaneously, reduces the contaminated probability of clipboard, and the practicality is strong.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the middle clamp body of the present invention.
Fig. 3 is a schematic structural view of the interior of the clamp body of the present invention.
Fig. 4 is the schematic structural diagram of the measured writing board side pressed close to the positioning foot in the fixture of the present invention.
Fig. 5 is a bottom view of the positioning leg of the clamp of the present invention.
Fig. 6 is a schematic structural view of the working state of the clamp of the present invention.
The clamp comprises a clamp body 11, a telescopic rod 12, a containing cavity 13, a threaded rod 14, a positioning plate 15, a knob 16, a groove 17, a pull rod 18, a limiting block 19, a spring 20, a pull ring 21, a positioning pin 22 and an illuminance tester probe 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 6, the clamp for detecting the illuminance of the classroom writing board in the embodiment includes a clamp body 11, a containing cavity 13 for containing a probe of an illuminance tester is arranged on the clamp body 11, a fastening device for fixing the probe of the illuminance tester and a positioning device for positioning the probe of the illuminance tester are arranged on a cavity of the containing cavity 13, and a telescopic device is arranged on the cavity of the containing cavity 13.
Preferably, the fastening device of this embodiment includes two threaded rods 14 and a pull rod 18 that set up on anchor clamps body 11, pull rod 18 and threaded rod 14 evenly distributed are on anchor clamps body 11 lateral wall, pull rod 18 and threaded rod 14 are close to the one end that holds chamber 13 and all extend to holding chamber 13 in and fixedly connected with locating plate 15, anchor clamps body 11 is inside to be seted up recess 17 in pull rod 18 department of running through, the inside one end of keeping away from holding chamber 13 of recess 17 is provided with stopper 19 with recess 17 inner wall fixed connection, the one end that locating plate 15 was kept away from to pull rod 18 is provided with pull ring 21, the one end that locating plate 15 was kept away from to threaded rod 14 is provided with knob 16.
Preferably, the pull rod 18 passes through the limit block 19, a spring 20 is sleeved on the lower end of the pull rod at the limit block 19, and the spring 20 is located in the groove 17. Under the effect of spring, with the fixed locating plate of being connected of pull rod can all the time with the probe butt of illumination tester, after the measurement is accomplished the direction pulling pull ring of keeping away from and holding the chamber, can drive the pull rod and remove to the direction of keeping away from the locating plate to remove the fixed of probe, convenient to detach.
As further preferred, this embodiment positioner, including four recesses of evenly distributed on 11 lateral walls of anchor clamps, all rotate in the recess and be provided with location foot 22, location foot 22 includes sleeve and slide bar, and sleeve one end sets up in the recess through articulated, sleeve other end inner wall sliding connection has the pull pole, all be provided with the scale mark on sleeve and the pull pole. Through the length of adjusting four location feet, be convenient for fix a position the check point, single can accomplish measurement operation simultaneously, practices thrift the manpower, and can realize once fixing a position when using, and one row of measurable can practice thrift a large amount of check-out time.
Preferably, the number of the drawing rods is 1-3, and adjacent drawing rods are telescopically connected.
Preferably, the telescopic device in this embodiment is a telescopic rod 12, and the telescopic rod 12 is rotatably connected with the side wall of the clamp body 11 through a universal head. The one end that anchor clamps body 11 was kept away from to telescopic link 12 is provided with the rubber handle, can adjust the angle of telescopic link, prevents to shelter from the observation sight, improves the travelling comfort of using.
Preferably, the surface of the positioning plate 15 of the present embodiment is provided with a cushion pad, so as to protect the probe and prevent the surface of the probe from being worn during the process of fixing the probe.
As a further preferred option, in the present embodiment, the telescopic rod 12 is made of an aluminum alloy material, the positioning leg 22 is made of a plastic material, and the length of the telescopic rod and the length of the positioning leg can be adjusted.
The utility model discloses a theory of operation is: when in use, the probe 23 of the illumination tester is placed in the middle position of the accommodating cavity, the knob is rotated to drive the threaded rod to rotate, so that the positioning plate fixedly connected with the threaded rod is driven to move until the positioning plate is contacted with the probe of the illumination tester, the positioning plate fixedly connected with the pull rod can be always abutted against the probe of the illumination tester under the action of the spring, so that the probe of the illumination tester is clamped and fixed, the clamping effect can be improved, the length and the width of the writing board are observed and measured, the number of roughly required measuring points is calculated, the detecting points can be conveniently positioned by adjusting the lengths of four positioning pins, a large amount of detection time can be saved, the device is placed at the upper left corner of the writing board to start detection, corresponding data is recorded, the next detecting point can be positioned according to marks left by the rubber pad during previous detection in sequence, and the structure is simple, convenient operation and strong practicability.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention.
Claims (10)
1. The utility model provides a classroom clipboard illuminance detection's anchor clamps, includes anchor clamps body (11), its characterized in that, be equipped with chamber (13) that holds that is used for holding the illuminance tester probe on anchor clamps body (11) hold and be equipped with on the cavity that holds chamber (13) and be used for carrying out the fastener fixed to the illuminance tester probe, and be used for carrying out the positioner who fixes a position to the illuminance tester probe, be equipped with the telescoping device on the cavity that holds chamber (13).
2. The fixture for classroom tablet illumination detection as recited in claim 1, wherein the fixture further comprises a light source, the fastening device comprises two threaded rods (14) arranged on the clamp body (11) and a pull rod (18), the pull rod (18) and the threaded rod (14) are uniformly distributed on the side wall of the clamp body (11), one ends of the pull rod (18) and the threaded rod (14) close to the containing cavity (13) extend into the containing cavity (13) and are fixedly connected with a positioning plate (15), a groove (17) is arranged in the clamp body (11) at the penetrating position of the pull rod (18), a limiting block (19) fixedly connected with the inner wall of the groove (17) is arranged at one end of the inner part of the groove (17) far away from the accommodating cavity (13), a pull ring (21) is arranged at one end of the pull rod (18) far away from the positioning plate (15), and a knob (16) is arranged at one end of the threaded rod (14) far away from the positioning plate (15).
3. The clamp for detecting the illuminance of the classroom writing board as recited in claim 2, wherein the pull rod (18) passes through the limiting block (19), a spring (20) is sleeved on the lower end of the limiting block (19), and the spring (20) is positioned in the groove (17).
4. The clamp for detecting the illuminance of a classroom writing board as defined in claim 1, wherein the positioning device comprises four grooves evenly distributed on the outer side wall of the clamp body (11), the grooves are all rotatably provided with positioning feet (22), the positioning feet (22) comprise a sleeve and a sliding rod, one end of the sleeve is arranged in the groove through hinging, the inner wall of the other end of the sleeve is slidably connected with a pulling rod, and the sleeve and the pulling rod are both provided with scale marks.
5. The classroom tablet illumination detection fixture as recited in claim 4, wherein the number of the pull rods is 1-3, and adjacent pull rods are telescopically connected.
6. The classroom tablet illumination detection fixture as defined in claim 1, wherein the telescoping device is a telescoping rod (12), and the telescoping rod (12) is rotatably connected to the sidewall of the fixture body (11) through a universal joint.
7. The clamp for detecting the illuminance of a classroom writing board as recited in claim 6, wherein a rubber handle is disposed at one end of the telescopic rod (12) far away from the clamp body (11).
8. The fixture for illuminance detection of the classroom writing board as recited in claim 2, wherein the surface of the positioning plate (15) is provided with a cushion.
9. The classroom tablet illumination detection fixture as defined in claim 6, wherein the telescoping rod (12) is made of aluminum alloy.
10. The fixture for illuminance detection of the classroom writing board as recited in claim 4, wherein the positioning foot (22) is made of plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120984607.3U CN214818000U (en) | 2021-05-10 | 2021-05-10 | Clamp for detecting illuminance of classroom writing board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120984607.3U CN214818000U (en) | 2021-05-10 | 2021-05-10 | Clamp for detecting illuminance of classroom writing board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214818000U true CN214818000U (en) | 2021-11-23 |
Family
ID=78772904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120984607.3U Active CN214818000U (en) | 2021-05-10 | 2021-05-10 | Clamp for detecting illuminance of classroom writing board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214818000U (en) |
-
2021
- 2021-05-10 CN CN202120984607.3U patent/CN214818000U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A fixture for detecting the illumination of classroom writing boards Granted publication date: 20211123 Pledgee: Agricultural Bank of China Limited Shanghai pilot Free Trade Zone New Area Branch Pledgor: Shanghai haomi Construction Engineering Technology Service Co.,Ltd. Registration number: Y2024980000891 |