CN217877523U - Ultra-thin formula stay cord meter - Google Patents
Ultra-thin formula stay cord meter Download PDFInfo
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- CN217877523U CN217877523U CN202220997179.2U CN202220997179U CN217877523U CN 217877523 U CN217877523 U CN 217877523U CN 202220997179 U CN202220997179 U CN 202220997179U CN 217877523 U CN217877523 U CN 217877523U
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Abstract
The utility model discloses an ultra-thin formula stay cord meter relates to stay cord sensor technical field, including the stay cord meter, be equipped with the shell of acting as go-between on the stay cord meter, the shell of acting as go-between embeds there is the reel, the reel central part is connected with the magnet steel, the opposite face of magnet steel is equipped with the PCB circuit board, through setting up the reel in acting as go-between when using, magnet steel and PCB circuit board, very big whole volume that has reduced equipment for no longer receive installation space's restriction, application range is more extensive, also improved waterproof simultaneously, dustproof ability, avoided the dust to attach and cover the circuit board, lead to the signal to send the mistake.
Description
Technical Field
The utility model relates to a stay cord sensor technical field especially relates to an ultra-thin formula stay cord meter.
Background
The pull rope displacement sensor is also called a pull rope sensor, a pull rope electronic ruler and a pull rope encoder. The pull rope displacement sensor is a delicate structure of the linear displacement sensor, fully combines the advantages of an angle sensor and the linear displacement sensor, and is a sensor with small installation size, compact structure, large measurement stroke and high precision, and the stroke is different from hundreds of millimeters to dozens of meters.
The existing pull rope sensor adopts a mechanical structure mode of an encoder and a pull rope shell, has large appearance, cannot be used in a place with limited installation space, is waterproof and poor in dustproof performance, can be easily wetted after being used for a certain time, is easily attached and shielded by dust to cause the condition of sensor signal error, adopts a 2-point calibration mode, has low precision of a middle linear part, and is easy to have the conditions of hop count and leakage count.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model discloses through set up reel, magnet steel and PCB circuit board in acting as go-between when using, greatly reduced the whole volume of equipment for no longer receive installation space's restriction, application range is more extensive, has also improved waterproof, dustproof ability simultaneously, has avoided the dust to attach and has shielded the circuit board, leads to the signal to send the mistake.
The above technical purpose of the present invention can be achieved by the following technical solutions: the pull rope meter is characterized by comprising a pull rope meter, wherein a pull rope shell is arranged on the pull rope meter, a reel is arranged in the pull rope shell, the central part of the reel is connected with magnetic steel, and a PCB circuit board is arranged on the opposite surface of the magnetic steel.
Through adopting above-mentioned technical scheme, can guarantee to utilize the reel to drive the magnet steel and rotate, the rotation of magnet steel produces the pivoted magnetic field angle and changes, and the PCB circuit board perception goes to the magnetic field angle of change, through calculating output displacement value, carries out the embeds reel, magnet steel, PCB circuit board simultaneously, has reduced the whole volume of stay cord meter and has improved waterproof and dustproof ability.
The utility model provides an ultra-thin formula stay cord meter, the shell that draws wire is close to reel one side and is connected with the spring holder, the spring holder is close to reel one side and is equipped with the coil spring, a coil spring end is connected with the spring holder, the other end of coil spring with the reel is connected.
Through adopting above-mentioned technical scheme, can guarantee to utilize the spring on the spring holder, dynamics when can controlling the wire reel stay cord and carry out reaction force to the wire reel when receiving the rope, let it playback again.
The utility model provides an ultra-thin formula stay cord meter, the spring holder middle part is equipped with the center circle, be equipped with the bearing in the center circle, the bearing excircle is connected with the center circle.
Through adopting above-mentioned technical scheme, can guarantee to utilize the center circle to be connected bearing and spring holder.
The utility model provides an ultra-thin formula stay cord meter, the reel middle part is equipped with the ka tai, the ka tai clamp in circle in the bearing.
Through adopting above-mentioned technical scheme, can guarantee to utilize the ka tai to be connected bearing and reel, let the reel rotate around the bearing.
The utility model provides an ultra-thin formula stay cord meter, the last stay cord that winds of reel, the one end of stay cord is fixed in on the reel, is connected with the stay wire head on the other end.
Through adopting above-mentioned technical scheme, can guarantee to utilize the stay wire head to be connected with the testee, the stay cord can drive the rotation of reel simultaneously.
An ultra-thin type stay cord meter, the edge of reel is equipped with the card rope groove.
Through adopting above-mentioned technical scheme, can guarantee to utilize the card grooving can be with the stay cord restriction on the reel, prevent that the stay cord from droing from the reel.
To sum up, the beneficial technical effects of the utility model are that:
(1) The utilization sets up reel, magnet steel and PCB circuit board in the guyed shell, has reduced the holistic volume of stay cord meter, has improved the scope of use place, has improved the holistic waterproof of stay cord meter, dirt-proof ability simultaneously, prevents that the circuit board from also being attached by the dust easily and covers, causes the condition of sensor signal error.
(2) Utilize the coil spring can control the line dynamics of walking of stay cord, make things convenient for the recovery of stay cord simultaneously.
(3) The pull rope shell is connected with the spring seat in a split mode, and therefore maintenance of the pull rope meter is facilitated.
Drawings
Fig. 1 is a schematic view of the internal structure of a pull rope meter of the present invention;
fig. 2 is another perspective view of the present invention;
fig. 3 is an enlarged schematic view of part a of the present invention.
Reference numerals are as follows: 1. a pull rope meter; 2. a wire drawing head; 3. a reel; 4. a coil spring; 5. a bearing; 6. magnetic steel; 7. a PCB circuit board; 8. a spring seat; 9. a guyed shell; 10. a fastening part; 11. a central circle; 12. clamping a platform; 13. rope clamping grooves.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying examples.
It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the description of the embodiments, the terms "disposed," "connected," and the like are to be construed broadly unless otherwise explicitly specified or limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or through an intervening medium, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
Referring to the attached drawings 1 and 2, the ultrathin stay meter 1 comprises a stay meter 1, wherein the stay meter 1 is provided with a stay wire shell 9, the right side of the stay wire shell 9 is connected with a spring seat 8 through a bolt, a stay wire head 2 is arranged outside the stay wire shell, and the stay wire head 2 is connected with a stay wire.
Referring to fig. 3, a reel 3 is arranged in a pull-line housing 9, a rope clamping groove 13 is formed in the edge of the reel 3, a pull rope is wound in the rope clamping groove 13, one end of the pull rope is fixed to the reel 3, the other end of the pull rope is connected with a pull-line head 2, a clamping table 12 is arranged in the middle of the reel 3, a clamping portion 10 is arranged on the outer side of the clamping table 12, a magnetic steel 6 is installed at the center of one side, far away from the clamping table 12, of the reel 3, an opposite face of the magnetic steel 6 is arranged on a PCB circuit board 7, the PCB circuit board 7 is fixed to the wall of the pull-line housing 9, and a gap with a certain distance is reserved between the PCB circuit board 7 and the magnetic steel 6.
Referring to fig. 3, the spring seat 8 is connected with coil springs 4 at the upper and lower ends of one side of the reel 3, one end of each coil spring 4 is connected with the spring seat 8, the other end of each coil spring 4 is connected with a clamping portion 10 on the stay wire casing 9, a central circle 11 is arranged in the middle of the spring seat 8, a bearing 5 is arranged in the central circle 11, the outer circle of the bearing 5 is connected with the central circle 11, and the inner circle of the bearing 5 is connected with a clamping table 12 of the stay wire casing 9.
When the pull wire meter is used, the pull wire head 2 connected with the pull wire is connected with a tested object and moves along with the tested object, the pull wire meter 1 is fixed, the pull wire moves along with the tested object under the pull wire of the tested object to drive the reel 3 to start rotating, meanwhile, the coil spring 4 is driven to roll up, the reel 3 drives the magnetic steel 6 in the middle to rotate, the magnetic steel 6 generates a magnetic field by utilizing the characteristics of the magnetic steel 6, the magnetic field rotates along with the magnetic steel 6 in an angle mode, then, a chip arranged on the PCB (printed circuit board) 7 right opposite to the magnetic steel 6 induces the rotating angle of the magnetic field, the rotating angle change data of the single circle of the roller is obtained, the displacement value is calculated and output through a single-chip microcomputer on the PCB (printed circuit board) 7, after the test, a reverse force is formed when the coil spring 4 rolls up, when the pull wire head 2 returns, the wire can be rewound onto the reel 3, and the pull wire can be reset again.
The reel 3, the magnetic steel 6, the PCB 7, the bearing 5 and the coil spring 4 are internally sealed, so that the integral protection level is improved to be high and can reach IP 66-IP 68, the dustproof and waterproof performance is better, the use in severe environment can be realized, and the use in environment of minus 40-125 ℃ is supported.
By connecting the reel 3 to the bearing 5, the output stability and no jump can be maintained, and the response speed and the precision can be high, which are favorable for the quick pulling operation of the pull head 2.
It should be noted that when the reel 3 rotates, the outer circle of the bearing 5 remains stationary, and the inner circle of the bearing 5 rotates with the catch 12 of the reel 3.
It should be noted that when the PCB 7 is connected to the wire-drawing housing 9, the outer circle of the PCB 7 is glued to the wire-drawing housing 9.
It should be noted that the magnetic steel 6 is fixedly connected to the reel 3.
The working principle of the embodiment is as follows: stay cord drives reel 3 along with the measured object removes and begins to rotate under the pull wire of measured object, drive coil spring 4 involution simultaneously, reel 3 drives the magnet steel 6 rotation at middle part, magnet steel 6 utilizes self characteristic to produce the magnetic field, the magnetic field carries out angle rotation along with magnet steel 6, chip induction magnetic field rotation angle on the PCB circuit board 7 that sets up just opposite at magnet steel 6 after that, obtain gyro wheel single circle rotation angle change data, calculate output displacement numerical value through the monolithic microcomputer on PCB circuit board 7, form a counter force when ending the test back because coil spring 4 involution, the line can be rewound on reel 3 when the stay cord head 2 is back away, make it return to the position again.
The above, only do the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model should be covered within the protection scope of the utility model.
Claims (6)
1. The utility model provides an ultra-thin formula stay cord meter which characterized in that: including stay cord meter (1), be equipped with stay wire shell (9) on stay cord meter (1), it has reel (3) to embed in stay wire shell (9), reel (3) central part is connected with magnet steel (6), the opposite face of magnet steel (6) is equipped with PCB circuit board (7).
2. The ultra-thin pull-cord meter of claim 1, wherein: stay cord shell (9) are close to reel (3) one side and are connected with spring holder (8), spring holder (8) are close to reel (3) one side and are equipped with spring coiling (4), spring coiling (4) one end is connected with spring holder (8), the other end of spring coiling (4) with reel (3) are connected.
3. The ultra-thin pull-cord meter of claim 2, wherein: the spring seat (8) middle part is equipped with central circle (11), be equipped with bearing (5) in central circle (11), bearing (5) excircle is connected with central circle (11).
4. The ultra-thin pull-cord meter of claim 3, wherein: a clamping table (12) is arranged in the middle of the reel (3), and the clamping table (12) is clamped in the inner circle of the bearing (5).
5. The ultra-thin pull-cord meter of claim 1, wherein: the pull rope is wound on the winding wheel (3), one end of the pull rope is fixed on the winding wheel (3), and the other end of the pull rope is connected with the wire drawing head (2).
6. The ultra-thin pull-cord meter of claim 1, wherein: the edge of the reel (3) is provided with a rope clamping groove (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220997179.2U CN217877523U (en) | 2022-04-27 | 2022-04-27 | Ultra-thin formula stay cord meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220997179.2U CN217877523U (en) | 2022-04-27 | 2022-04-27 | Ultra-thin formula stay cord meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217877523U true CN217877523U (en) | 2022-11-22 |
Family
ID=84090297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220997179.2U Active CN217877523U (en) | 2022-04-27 | 2022-04-27 | Ultra-thin formula stay cord meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217877523U (en) |
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2022
- 2022-04-27 CN CN202220997179.2U patent/CN217877523U/en active Active
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