CN108426589A - A kind of anti-vibration pull rod sensor - Google Patents
A kind of anti-vibration pull rod sensor Download PDFInfo
- Publication number
- CN108426589A CN108426589A CN201810421331.0A CN201810421331A CN108426589A CN 108426589 A CN108426589 A CN 108426589A CN 201810421331 A CN201810421331 A CN 201810421331A CN 108426589 A CN108426589 A CN 108426589A
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- China
- Prior art keywords
- axis
- pull rod
- sliding block
- hole
- resistance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000009713 electroplating Methods 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 239000012212 insulator Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The present invention provides a kind of anti-vibration pull rod sensors, including shell, guiding axis, resistance axis, conductive shaft, pull rod, sliding block and conductive contact blade, wherein, the guiding axis, resistance axis, conductive shaft is separately fixed on the shell, the shell is equipped with tension rod thru-hole, the pull rod is arranged on the tension rod thru-hole, the pull rod is connect with the sliding block, the pull rod, guiding axis, resistance axis, conductive shaft is parallel, the sliding block is to be slidably connected with the guiding axis, the conductive contact blade is arranged on the sliding block, the conductive contact blade respectively with the resistance axis, conductive shaft is pressed into contact with.The beneficial effects of the invention are as follows:Sliding block is slided along guiding axis, and under the conditions of vibrations, the contacting points position of conductive contact blade and resistance axis, conductive shaft can be held essentially constant, and the output signal for being conducive to sensor keeps stablizing, and ensure that the precision of sensor, has highly resistance vibratility.
Description
Technical field
The present invention relates to sensor more particularly to a kind of anti-vibration pull rod sensors.
Background technology
With the development of modern industry manufacturing technology, the fields such as aerospace, military project, detection, industry manufacture are to sensor
Demand it is increasing, it is also higher and higher to required precision, while the demand of the sensor to working in the presence of a harsh environment is also got over
Come bigger, such as high temperature, low temperature, strong motion environment.
The difficult point that high-precision sensor makes at present is in high intensity vibration environment(As aircraft sensors, aviation sensing,
Big machinery etc.)Down or in working long hours, sliding contact is easy poor contact with resistance wire, to influence sensor
Precision and service life.These, which make difficult point, causes the production requirement of high accuracy displacement sensor high, and Costco Wholesale is high,
Therefore, how a kind of preferable sensor of anti-shake performance is provided, is those skilled in the art's technical problem urgently to be resolved hurrily.
Invention content
In order to solve the problems in the prior art, the present invention provides a kind of anti-vibration pull rod sensors.
The present invention provides a kind of anti-vibration pull rod sensor, including shell, guiding axis, resistance axis, conductive shaft, pull rod,
Sliding block and conductive contact blade, wherein the guiding axis, resistance axis, conductive shaft are separately fixed on the shell, are set on the shell
There are tension rod thru-hole, the pull rod to be arranged on the tension rod thru-hole, the pull rod is connect with the sliding block, the pull rod, guiding
Axis, resistance axis, conductive shaft are parallel, and the sliding block is to be slidably connected with the guiding axis, and the conductive contact blade is arranged described
On sliding block, the conductive contact blade is pressed into contact with the resistance axis, conductive shaft respectively.
As a further improvement on the present invention, the shell be equipped with seal cavity, the guiding axis, resistance axis, conductive shaft,
Sliding block and conductive contact blade are arranged in the seal cavity, and the tension rod thru-hole is connected with the seal cavity, the drawing
Bar is fixedly connected across the tension rod thru-hole with the sliding block.
As a further improvement on the present invention, the shell includes the straight cylinder and cover of both ends open, the straight cylinder
Both ends be tightly connected to form the seal cavity by the cover, the guiding axis, resistance axis, conductive shaft respectively with it is described
The central axis of straight cylinder is parallel, and the central axis of the pull rod and the straight cylinder coincides.
As a further improvement on the present invention, the guiding axis has two and opposite along the central axis of the seal cavity
Claim setting, the pull rod and the central axis of the seal cavity coincide.
As a further improvement on the present invention, the side of the sliding block is equipped with positioning pilot hole, and the other side of the sliding block is set
There is movable guide hole, wherein a guiding axis passes through the positioning pilot hole, another guiding axis to be led across the activity
Hole.
As a further improvement on the present invention, the positioning pilot hole is circular hole, and the activity guide hole is slotted hole or U-shaped
Hole.
As a further improvement on the present invention, two guiding axis are between the circumferential direction of the central axis of the seal cavity
It is arranged every 180 degree, two guiding axis, a resistance axis, a conductive shaft are along the center of the seal cavity
Circumferentially-spaced 90 degree of settings of axis.
As a further improvement on the present invention, the sliding block is insulator, the conductive contact blade at least two panels and difference
Be fixed on the upper and lower surface of the sliding block, be inserted with conducting connecting part on the sliding block, the conducting connecting part respectively with fixation
In the conductive contact blade conducting of the upper and lower surface of the sliding block.
As a further improvement on the present invention, the upper and lower surface of the sliding block is respectively fixed with four conductive contact blades.
As a further improvement on the present invention, the electroplating surface of the conductive shaft has the conductive layer of high conductivity, the electricity
Resistance axis is the insulating bar that surface wrap has alloy resistance wire.
The beneficial effects of the invention are as follows:Through the above scheme, sliding block is slided along guiding axis, under the conditions of vibrations, conductive contact blade
It can be held essentially constant with the contacting points position of resistance axis, conductive shaft, the output signal for being conducive to sensor keeps stablizing, and protects
The precision of sensor has been demonstrate,proved, there is highly resistance vibratility.
Description of the drawings
Fig. 1 is a kind of stereogram of anti-vibration pull rod sensor of the present invention (straight cylinder has been hidden).
Fig. 2 is a kind of main view cut away view of anti-vibration pull rod sensor of the present invention.
Specific implementation mode
The invention will be further described for explanation and specific implementation mode below in conjunction with the accompanying drawings.
As shown in Figure 1 to Figure 2, a kind of anti-vibration pull rod sensor, including shell 1, guiding axis 2, resistance axis 3, conductive shaft
4, pull rod 5, sliding block 6 and conductive contact blade 7, wherein the guiding axis 2, resistance axis 3, conductive shaft 4 are separately fixed at the shell 1
On, the shell 1 is equipped with tension rod thru-hole, and the pull rod 5 is arranged on the tension rod thru-hole, the pull rod 5 and the sliding block 6
Connection, the pull rod 5, guiding axis 2, resistance axis 3, conductive shaft 4 are parallel, and the sliding block 6 is that sliding connects with the guiding axis 2
It connects, the conductive contact blade 7 is arranged on the sliding block 6, and the conductive contact blade 7 is compressed with the resistance axis 3, conductive shaft 4 respectively
Contact, the conductive contact blade 7 are metal contact piece, and 7 tail end of the conductive contact blade is fixed on sliding block 6, and head end is close to 2 He of resistance axis
Conductive shaft 4, sliding block 6 can on guiding axis 2 parallel sliding.
As shown in Figure 1 to Figure 2, the shell 1 is equipped with seal cavity, the guiding axis 2, resistance axis 3, conductive shaft 4, sliding block
6 and conductive contact blade 7 be arranged in the seal cavity, the tension rod thru-hole is connected with the seal cavity, the pull rod 5
It is fixedly connected with the sliding block 6 across the tension rod thru-hole.
As shown in Figure 1 to Figure 2, the shell 1 includes the straight cylinder and cover of both ends open, the both ends of the straight cylinder 1
Be tightly connected to form the seal cavity by the cover, rubber seal and flange sleeve, the guiding axis 2, resistance axis 3,
Conductive shaft 4 is parallel with the central axis of the straight cylinder respectively, and the pull rod 5 is mutually be overlapped with the central axis of the straight cylinder
It closes.
As shown in Figure 1 to Figure 2, the guiding axis 2 has two and along the symmetrical setting of the central axis of the straight cylinder, institute
It is two circular shafts parallel to each other to state guiding axis 2, and aluminium alloy, stainless may be used in the centerline axis parallel of axis and shell 1
The materials such as steel, ceramics are made.
As shown in Figure 1 to Figure 2, the side of the sliding block 6 is equipped with positioning pilot hole, and the other side of the sliding block 6 is equipped with activity
Guide hole a, wherein guiding axis 2 passes through the positioning pilot hole, another guiding axis 2 to pass through the movable guide hole.
As shown in Figure 1 to Figure 2, the positioning pilot hole is circular hole 61, and the activity guide hole is slotted hole or U-shaped hole 61.
As shown in Figure 1 to Figure 2, two guiding axis 2 are set along the circumferentially-spaced 180 degree of the central axis of the straight cylinder
It sets, the week of two guiding axis, 2, resistance axis, a 3, central axis of the conductive shaft 4 along the straight cylinder
To the setting of 90 degree of interval.
As shown in Figure 1 to Figure 2, the sliding block 6 is insulator, and at least two panels of the conductive contact blade 7 is simultaneously separately fixed at
The upper and lower surface of the sliding block 6, is inserted with conducting connecting part on the sliding block 6, the conducting connecting part respectively be fixed on institute
The conductive contact blade 7 for stating the upper and lower surface of sliding block 6 is connected, and the quantity of the conductive contact blade 7 is 4-12 pieces, the quantity of conductive contact blade 7
It is preferred that 4,8 and 12, conducting connecting part is preferably brass screws, and brass screws is inserted among sliding block 6, serves as conducting wire use, connects
Lead to upper and lower conductive contact blade 7.
As shown in Figure 1 to Figure 2, the upper and lower surface of the sliding block 6 is respectively fixed with four conductive contact blades 7, and altogether eight
Piece each four up and down, is close to conductive shaft 4 and resistance axis 3, is slided on resistance axis 3 and conductive shaft 4.
As shown in Figure 1 to Figure 2, it is one that the electroplating surface of the conductive shaft 4, which has the conductive layer of high conductivity, the conductive shaft,
Root conduction pole, can be in the metal of one floor height conductivity of electroplating surface, and such as gold, silver, copper, the resistance axis 3 is surface wrap
The insulating bar for having alloy resistance wire is connected by conductive contact blade 7 and conductive shaft 4, provides the resistance needed for sensor.
A kind of anti-vibration pull rod sensor provided by the invention, conductive contact blade 7 are tightly attached on resistance axis 3 and conductive shaft 4, sliding
The parallel sliding on guiding axis 2 of block 6, precision assembly between each component, this structure can ensure that the sensor shakes in high intensity
Normal operating conditions is kept under environment, precision is high, and service life is long.
A kind of anti-vibration pull rod sensor provided by the invention, has the following advantages:
1, multiple conductive contact blades 7 are close to resistance axis 3 and conductive shaft 4, ensure that and are well contacted between conductive contact blade 7 and resistance axis 3,
The possibility smaller that conductive contact blade 7 is disconnected with resistance axis 3, the service life is longer for sensor.
2,7 head end of each conductive contact blade is close to conductive shaft 4 and resistance axis 3 respectively, and tail end is fixed on sliding block 6, and sliding block 6 exists
Parallel sliding on guiding axis 2, under vibrations process, conductive contact blade 7 is protected substantially with the contacting points position of resistance axis 3 and conductive shaft 4
Hold constant, the output signal of sensor keeps stablizing, and ensure that the precision of sensor.Therefore the sensor of this structure has height
Anti-vibration resistance.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
The specific implementation of the present invention is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to the present invention's
Protection domain.
Claims (10)
1. a kind of anti-vibration pull rod sensor, it is characterised in that:Including shell, guiding axis, resistance axis, conductive shaft, pull rod, sliding block
And conductive contact blade, wherein the guiding axis, resistance axis, conductive shaft are separately fixed on the shell, and the shell, which is equipped with, to be drawn
Rod through-hole, the pull rod are arranged on the tension rod thru-hole, and the pull rod is connect with the sliding block, the pull rod, guiding axis, electricity
It is parallel to hinder axis, conductive shaft, the sliding block is to be slidably connected with the guiding axis, and the conductive contact blade is arranged in the sliding block
On, the conductive contact blade is pressed into contact with the resistance axis, conductive shaft respectively.
2. anti-vibration pull rod sensor according to claim 1, it is characterised in that:The shell is equipped with seal cavity, institute
It states guiding axis, resistance axis, conductive shaft, sliding block and conductive contact blade to be arranged in the seal cavity, the tension rod thru-hole and institute
It states seal cavity to be connected, the pull rod is fixedly connected across the tension rod thru-hole with the sliding block.
3. anti-vibration pull rod sensor according to claim 2, it is characterised in that:The shell includes the straight of both ends open
The both ends of cylinder and cover, the straight cylinder are tightly connected to form the seal cavity by the cover, the guiding axis, electricity
It is parallel with the central axis of the straight cylinder respectively to hinder axis, conductive shaft, the central axis phase of the pull rod and the straight cylinder
It overlaps.
4. anti-vibration pull rod sensor according to claim 2, it is characterised in that:The guiding axis has two and along described
The symmetrical setting of central axis of seal cavity, the pull rod and the central axis of the seal cavity coincide.
5. anti-vibration pull rod sensor according to claim 4, it is characterised in that:The side of the sliding block is equipped with positioning and leads
The other side in hole, the sliding block is equipped with movable guide hole, wherein a guiding axis passes through the positioning pilot hole, described in another
Guiding axis passes through the movable guide hole.
6. anti-vibration pull rod sensor according to claim 5, it is characterised in that:The positioning pilot hole is circular hole, described
Movable guide hole is slotted hole or U-shaped hole.
7. anti-vibration pull rod sensor according to claim 5, it is characterised in that:Two guiding axis are along the sealing
The circumferentially-spaced 180 degree of the central axis of cavity is arranged, two guiding axis, a resistance axis, a conduction
Circumferentially-spaced 90 degree setting of the axis along the central axis of the seal cavity.
8. anti-vibration pull rod sensor according to claim 1, it is characterised in that:The sliding block is insulator, described to lead
Electric contact point at least two panels and the upper and lower surface for being separately fixed at the sliding block are inserted with conducting connecting part on the sliding block, institute
Conducting connecting part is stated to be connected with the conductive contact blade for the upper and lower surface for being fixed on the sliding block respectively.
9. anti-vibration pull rod sensor according to claim 8, it is characterised in that:The upper and lower surface of the sliding block is solid respectively
Surely there are four conductive contact blades.
10. anti-vibration pull rod sensor according to claim 1, it is characterised in that:The electroplating surface of the conductive shaft has
The conductive layer of high conductivity, the resistance axis are the insulating bar that surface wrap has alloy resistance wire.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810421331.0A CN108426589A (en) | 2018-05-04 | 2018-05-04 | A kind of anti-vibration pull rod sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810421331.0A CN108426589A (en) | 2018-05-04 | 2018-05-04 | A kind of anti-vibration pull rod sensor |
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CN108426589A true CN108426589A (en) | 2018-08-21 |
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CN201810421331.0A Pending CN108426589A (en) | 2018-05-04 | 2018-05-04 | A kind of anti-vibration pull rod sensor |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201348494Y (en) * | 2009-01-23 | 2009-11-18 | 上海沃巴弗电子科技有限公司 | Straight-line displacement sensor |
US20120306513A1 (en) * | 2011-06-03 | 2012-12-06 | Hamilton Sundstrand Corporation | High temperature position sensor |
CN106482623A (en) * | 2016-10-21 | 2017-03-08 | 安徽沃巴弗电子科技有限公司 | A kind of slider type linear displacement transducer |
CN106524889A (en) * | 2016-10-21 | 2017-03-22 | 安徽沃巴弗电子科技有限公司 | Pull rod linear displacement sensor |
CN206450175U (en) * | 2017-01-16 | 2017-08-29 | 深圳市益源精密电路有限公司 | A kind of resistance-type precise displacement sensor |
CN208313324U (en) * | 2018-05-04 | 2019-01-01 | 深圳市昌龙盛机电技术有限公司 | A kind of anti-vibration pull rod sensor |
-
2018
- 2018-05-04 CN CN201810421331.0A patent/CN108426589A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201348494Y (en) * | 2009-01-23 | 2009-11-18 | 上海沃巴弗电子科技有限公司 | Straight-line displacement sensor |
US20120306513A1 (en) * | 2011-06-03 | 2012-12-06 | Hamilton Sundstrand Corporation | High temperature position sensor |
CN106482623A (en) * | 2016-10-21 | 2017-03-08 | 安徽沃巴弗电子科技有限公司 | A kind of slider type linear displacement transducer |
CN106524889A (en) * | 2016-10-21 | 2017-03-22 | 安徽沃巴弗电子科技有限公司 | Pull rod linear displacement sensor |
CN206450175U (en) * | 2017-01-16 | 2017-08-29 | 深圳市益源精密电路有限公司 | A kind of resistance-type precise displacement sensor |
CN208313324U (en) * | 2018-05-04 | 2019-01-01 | 深圳市昌龙盛机电技术有限公司 | A kind of anti-vibration pull rod sensor |
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Application publication date: 20180821 |