CN109029317A - A kind of testing agency - Google Patents

A kind of testing agency Download PDF

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Publication number
CN109029317A
CN109029317A CN201810917708.1A CN201810917708A CN109029317A CN 109029317 A CN109029317 A CN 109029317A CN 201810917708 A CN201810917708 A CN 201810917708A CN 109029317 A CN109029317 A CN 109029317A
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CN
China
Prior art keywords
measuring head
mounting portion
locating rod
piece
testing agency
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Granted
Application number
CN201810917708.1A
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Chinese (zh)
Other versions
CN109029317B (en
Inventor
王梦阳
赵雪滨
邓寿彪
徐江涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Goertek Inc
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Goertek Inc
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Priority to CN201810917708.1A priority Critical patent/CN109029317B/en
Publication of CN109029317A publication Critical patent/CN109029317A/en
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Publication of CN109029317B publication Critical patent/CN109029317B/en
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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant

Abstract

The invention discloses a kind of testing agencies.The testing agency includes that at least two locating rods and measuring head corresponding with the locating rod quantity, the measuring head are telescopically disposed in the locating rod;And wedge piece, the wedge piece includes inclined-plane, and one end of the measuring head is abutted with the inclined-plane, and the wedge piece is configured to slide relative to the measuring head, so that the other end of the measuring head is stretched out from the locating rod, to abut with the inner wall of measured piece.Testing agency provided by the invention, it is higher to the testing efficiency of the elasticity of soft box body.

Description

A kind of testing agency
Technical field
The present invention relates to mechanical device technical fields, more particularly, to a kind of testing agency.
Background technique
With the rapid development of wireless technology, all kinds of radio-based electronic devices obtain extensive concern.For example, TWS (True Wireless Stereo, true wireless headset) it is a kind of widely applied wireless device.Wireless device multi-pass is crossed with intelligence eventually The connection of the terminal devices such as end for user to provide terminal attached application, for example, being that user plays smart phone using wireless headset In music.Wireless device does not have connection, its internal battery power supply is needed, to maintain normal use.In general, using filling Electric box is that wireless device is charged and stored.
Charging box is placed on when being circulated in carrier, because the inner wall of circulation carrier is soft silica gel material, and is profiling Face, therefore, the consistency of carrier size are not easy to control, be easy to cause the low excessive compression to charging box shell, deform it Greatly, the case where causing charging box inner assembly to damage appearance.Meanwhile because the hardness of soft silica gel material there is also difference, The extruding force that different carriers form charging box is more difficult with uniformity.
Currently, more control the extruding force of its formation to charging box using dimensional measurement is carried out to carrier, but This method cannot reflect the problem of carrier elasticity completely.Accordingly, it is desirable to provide a kind of new technical solution, on solving State problem.
Summary of the invention
It is an object of the present invention to provide a kind of new solutions of the testing agency of elasticity test.
According to the first aspect of the invention, a kind of testing agency is provided, which includes
At least two locating rods and measuring head corresponding with the locating rod quantity, the measuring head are telescopically arranged In the locating rod;And
Wedge piece, the wedge piece include inclined-plane, and one end of the measuring head is abutted with the inclined-plane, the wedge piece quilt Be configured to slide relative to the measuring head so that the other end of the measuring head is stretched out from the locating rod, with be tested The inner wall of part abuts.
Optionally, the bracket for further including bottom plate and being arranged on the bottom plate, the bracket include mounting portion and are used for The mounting portion is supported on the support portion on the bottom plate;
The locating rod is slidably disposed on the mounting portion, and is configured to adjust the measuring head opposite The distance of the mounting portion;Described wider one end of wedge piece diameter is connected with push rod, and the push rod is slidably disposed on institute It states on mounting portion;
It further include driving device, the driving device is configured to that the relatively described mounting portion of the push rod is driven to move It is dynamic.
Optionally, there are two the measuring head settings, the two sides on the wedge piece inclined-plane are symmetrically distributed in;Two described fixed Position bar is connected by positioning plate, and the end that the push rod is connected on the wedge piece is provided with pushing plate, and the positioning plate is located at Between the mounting portion and the pushing plate, the pushing plate is able to drive the positioning plate when mobile towards the mounting portion and moves It is dynamic.
Optionally, it is at least partially provided with external screw thread in the locating rod, is arranged on the male thread portion of the locating rod There is nut, the nut is configured to form limit to the opposite sliding between the locating rod and the mounting portion.
Optionally, locating piece is provided on the bottom plate, the locating piece is configurable for limiting measured piece described Position on bottom plate.
Optionally, telescopic direction is provided with scale in the measuring head.
Optionally, the end face of the measuring head abutted with the wedge piece is parallel with the inclined-plane of the wedge piece.
Optionally, the measuring head includes the slide post being slidably connected with locating rod, and is arranged on slide post and court To the contact head of measured piece side wall, the contact head is made of rubber material.
Optionally, fin is formed on the inclined-plane of the wedge piece, the two sides recess of the fin is formed with and locating rod Parallel step surface;One end that the locating rod protrudes into measured piece is provided with annular mounting portion, and the measuring head passes through the ring Shape mounting portion is connected on the fin, and corresponding with the step surface of the fin two sides position of the annular mounting portion is extended There is sliding wall.
Optionally, the driving device is cylinder, and the cylinder is connected with air pressure regulator.
Disclosed one embodiment according to the present invention is higher to the testing efficiency of the elasticity of soft box body.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even With its explanation together principle for explaining the present invention.
Fig. 1 is the schematic diagram for the detection device that specific embodiments of the present invention provide;
Fig. 2 is the cross-sectional view for the detection device that specific embodiments of the present invention provide;
Fig. 3 is the cross-sectional view for the detection device that specific embodiments of the present invention provide;
Fig. 4 is the cross-sectional view for the detection device that specific embodiments of the present invention provide;
Fig. 5 is the partial enlarged view for the detection device that specific embodiments of the present invention provide;
Fig. 6 is the partial enlarged view for the detection device that specific embodiments of the present invention provide.
Wherein:
11- locating rod, 12- wedge piece, 13- measuring head, 14- push rod, 15- positioning plate, 16- pushing plate, 17- mounting portion, 18- support portion, 19- bottom plate, 20- measured piece, 21- locating piece, 22- air pressure regulator, 23 fins, 24- travelling arm, 25- ring Shape mounting portion, 26- step surface, 27- nut, 28- slide post, 29- contact head.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
The present invention provides a kind of testing agencies, as shown in Figure 1, include 12, two locating rods 11 of wedge piece and with it is fixed The corresponding measuring head 13 of position 11 quantity of bar.
Specifically, a measuring head 13 is respectively arranged in two locating rods 11, the telescopic setting of measuring head 13 is fixed On the bar 11 of position, measuring head 13 can be put under the drive of locating rod 11 in the tubular measured piece 20 of side wall, and can be led to The side wall that measuring head 13 is crossed to measured piece 20 applies an extruding force towards side wall perimeter.Wedge piece 12 includes two ends of connection The inclined-plane in face, one end of measuring head 13 and the inclined-plane of wedge piece 12 are slidably connected, inner wall of the other end towards measured piece 20, wedge shape Part 12 can the sliding of relative measurement head under outer power drive.
As shown in Figure 3-4, measuring head 13 is connected on 12 inclined-plane of wedge piece close to the lesser one end of diameter, and wedge piece 12 exists Under outer power drive, the one end being relatively large in diameter is made to slide to measuring head 13, drives and do mutually between measuring head 13 from movement, from locating rod 11 Upper stretching, by the side wall of measured piece 20 outwardly against making to form extruding force between side wall and measuring head 13.It is provided due to external force Driving force be it is certain, when the extruding force between measuring head 13 and side wall is excessive, stop between measuring head 13 and wedge piece 12 Opposite sliding, the driving force that extruding force and driving device between measuring head 13 and side wall provide reach equilibrium state.
Detection device provided by the invention can make to be done between measuring head 13 mutually from movement using wedge piece 12, thus will The side wall of measured piece 20 outwardly against.What thrust and measuring head 13 when wedge piece 12 pushes measuring head 13 to be displaced outwardly received When extruding force is identical, the driving force that extruding force and driving device between measuring head 13 and side wall provide reaches equilibrium state, wedge 12 stop motion of shape part.At this point, can judge measured piece 20 by checking the mobile distance of 13 relative positioning bar 11 of measuring head Deformation size, and then can judge the elasticity of measured piece 20.Detection method is simple, easy to operate, high-efficient.
Further, which further includes driving device, which is configured to provide preset drive 12 relative measurement head 13 of power drive wedge piece is slided.Optionally, driving device is cylinder, as shown in Figure 1, cylinder also connects It is connected to air pressure regulator 22, air pressure regulator 22 is arranged on bottom plate 19, facilitates operation.Those skilled in the art can be with Other driving devices are selected, for example, electric cylinders, motor etc., all schemes that can reach similar technology effect, belong to of the invention Protection scope.
As shown in Figure 1, the testing agency further includes bottom plate 19 and the bracket that is arranged on bottom plate 19, which includes peace Dress portion 17 and support portion 18 for being supported on mounting portion 17 on bottom plate 19.Specifically, locating rod 11 is mounted slidably On mounting portion 17, by adjusting the relative position between locating rod 11 and mounting portion 17, it can control positioned at 11 end of locating rod The distance between the measuring head 13 in portion and mounting portion 17, and then realize that control measuring head 13 protrudes into the position of measured piece 20.In addition, The wider one end of 12 diameter of wedge piece is connected with push rod 14, and push rod 14 is slidably disposed on mounting portion 17, driving device energy Enough driving push rods 14 are moved relative to mounting portion 17, and then wedge piece 12 is driven to be moved.
Specifically, the corresponding two sides for being distributed in 12 inclined-plane of wedge piece of two measuring heads 13, it is fixed that two locating rods 11 pass through Position plate 15 connects, and the end that push rod 14 is connected on wedge piece 12 is provided with pushing plate 16, and positioning plate 15 is located at mounting portion 17 and pushes away Between movable plate 16.Wherein, be provided with the through-hole passed through for locating rod 11 on positioning plate 15, locating rod 11 pass through after through-hole with positioning Plate 15 is fixedly connected, and when push rod 14 moves up, the pushing plate 16 being arranged on push rod 14 is abutted with positioning plate 15, to drive Locating rod 11 moves up.After locating rod 11 drives measuring head 13 to be moved to preset height, make locating rod 11 and mounting portion 17 is relatively fixed, since two measuring heads 13 are located on 12 inclined-plane of wedge piece close to the shorter one end of diameter, is capable of forming to wedge The limit of shape part 12 makes wedge piece 12 not keep original height in driving device driving.
Further, it is at least partially provided with external screw thread in locating rod 11, is provided on the male thread portion of locating rod 11 Nut 27, nut 27 are configured to form limit to the opposite sliding between locating rod 11 and mounting portion 17.Specifically, when After measuring head 13 is located at preset height, limit is formed to the opposite sliding between locating rod 11 and mounting portion 17 by nut 27, Make locating rod 11 that can not continue to move down.After nut is limited, locating rod 11 can also be moved up with respect to mounting portion 17. Furthermore, it is possible to by position of the adjusting nut 27 in locating rod 11, to realize the adjusting to 13 height of measuring head.This field Technical staff can also form the limit to locating rod 11 using other structures, for example, after measuring head 13 is located at preset height, It is all by realizing the limit to locating rod 11 in locating rod 11 and one locating piece of position sandwiched that just face flushes of mounting portion 17 It is the scheme that can reach similar technology effect, belongs to protection scope of the present invention.
Further, locating piece 21 is provided on bottom plate 19, locating piece 21 is used to form horizontal direction to measured piece 20 Limit, improve the stability when being detected of measured piece 20, improve the accuracy of testing result.Wherein, locating piece 21 can Mobile setting is on bottom plate 19, to play the role of limit to various sizes of measured piece 20.
Further, as shown in figure 5, being provided with scale in measuring head 13, after testing agency completes detection operation, Neng Gouzhi The mobile distance of the 13 relative positioning bar 11 of reading measuring head of sight, improves detection efficiency.
Further, the end face of the one end of measuring head 13 abutted with wedge piece 12 is parallel with the inclined-plane of wedge piece 12, makes The end face of measuring head 13 can be sufficiently bonded with wedge piece 12, convenient for being slided between measuring head 13 and wedge piece 12, meanwhile, also can The side wall of the substantially vertical measured piece 20 of the thrust for generating wedge piece 12 to measuring head 13, improves the accurate of testing result Degree.
As shown in figure 5, measuring head 13 includes the slide post 28 being slidably connected with locating rod 11, and it is arranged in slide post 28 It is upper and towards the contact head of measured piece side wall 29.Preferably, contact head 29 is made of rubber material, and the diameter of contact head 29 compared with It is small, it can be avoided contact head 29 and 20 inner wall of measured piece caused to scratch and squeeze trace, improve the stability of detection device.Together When, it is abutted using the lesser contact head 29 of diameter with the side wall of measured piece 20, after measuring head 13 can be made to generate extruding to side wall The deformation amplification that side wall generates, preferably to observe the elasticity of measured piece 20, the preset driving force of driving device can also be with Smaller, saving testing cost is set.Wherein, scale is arranged on the outer surface of slide post 28.Contact head 29 can also be Other flexible materials, the application are without limitation.
As shown in fig. 6, being formed with fin 23 on the inclined-plane of wedge piece 12, the two sides recess of fin 23 is formed with and locating rod 11 parallel step surfaces 26, one end that locating rod 11 protrudes into measured piece 20 are provided with annular mounting portion 25, and measuring head 13 passes through ring Shape mounting portion 25 is connected on fin 23, and annular mounting portion 25 position corresponding with the step surface 26 of 23 two sides of fin, which is extended, to be had Sliding wall 24.Fin 23 forms limit when moving forward to measuring head 13 on left and right directions with the travelling arm 24 for being located at its two sides Position avoids generating double swerve when measuring head 13 is mobile, improves the measurement accuracy of detection device.
Optionally, there are three locating rod 11 and measuring head 13 can be respectively set, wedge piece 12 mutually is distributed in 120 ° Around;Alternatively, being mutually distributed in around wedge piece 12 in 90 °, together there are four locating rod 11 and measuring head 13 can be respectively set When multiple positions of 20 side wall of measured piece are detected, improve measurement accuracy and authenticity.The application is to locating rod 11 and surveys The quantity for measuring head 13 with no restrictions, can be set to more.Those skilled in the art, which can according to need, to be configured, all numbers Transformation in amount belongs to the protection scope of the application.
Fig. 2-4 shows the workflow of detection device provided by the invention.
As shown in Fig. 2, carrying out detection preparation, the air pressure of cylinder is set using air pressure regulator 22;By push rod 14 Lift, so that driving measuring head 13 to be in lifts state, so that measured piece 20 to be placed on bottom plate 19, then passes through fixed block 21 are fixed on measured piece 20 on bottom plate 19;
It is postponed as shown in figure 3, measured piece 20 is placed on check bit, push rod 14 is unclamped, measuring head 13 moves down, and works as shifting After moving the predeterminated position in measured piece 20, limit is formed between locating rod 11 and mounting portion 17, measuring head 13 is fixed on pre- If height;
As shown in figure 4, protruding into measured piece 20 in measuring head 13 and after preset height, air pressure is adjusted in starting in advance Cylinder works, and driving wedge piece 12 moves down, and squeezes so that measuring head 13 be made to form side wall.When extruding force and driving After the driving dynamic balance of device, the scale in measuring head 13 is read, and then the big of 20 elasticity of measured piece is judged according to scale value It is small, complete detection.
Although some specific embodiments of the invention are described in detail by example, the skill of this field Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair Bright range is defined by the following claims.

Claims (10)

1. a kind of testing agency characterized by comprising
At least two locating rods and measuring head corresponding with the locating rod quantity, the measuring head are telescopically disposed in institute It states in locating rod;And
Wedge piece, the wedge piece include inclined-plane, and one end of the measuring head is abutted with the inclined-plane, and the wedge piece is configured For that can be slided relative to the measuring head so that the other end of the measuring head is stretched out from the locating rod, with measured piece Inner wall abuts.
2. testing agency according to claim 1, which is characterized in that further include bottom plate and the branch that is arranged on the bottom plate Frame, the bracket include mounting portion and the support portion for being supported on the mounting portion on the bottom plate;
The locating rod is slidably disposed on the mounting portion, and it is relatively described to be configured to adjust the measuring head The distance of mounting portion;Described wider one end of wedge piece diameter is connected with push rod, and the push rod is slidably disposed on the peace In dress portion;
It further include driving device, the driving device is configured to drive the push rod mobile relative to the mounting portion.
3. testing agency according to claim 2, which is characterized in that there are two the measuring head settings, is symmetrically distributed in The two sides on the wedge piece inclined-plane;Two locating rods are connected by positioning plate, connect the push rod on the wedge piece End is provided with pushing plate, and the positioning plate is between the mounting portion and the pushing plate, and the pushing plate is described in Mounting portion is able to drive the positioning plate when mobile mobile.
4. testing agency according to claim 2, which is characterized in that be at least partially provided with outer spiral shell in the locating rod Line, is provided with nut on the male thread portion of the locating rod, the nut be configured to the locating rod with it is described Opposite sliding between mounting portion forms limit.
5. testing agency according to claim 2, which is characterized in that be provided with locating piece, the positioning on the bottom plate Block is configurable for limiting position of the measured piece on the bottom plate.
6. testing agency according to claim 1, which is characterized in that telescopic direction is provided with quarter in the measuring head Degree.
7. testing agency according to claim 1, which is characterized in that the end of the measuring head abutted with the wedge piece Face is parallel with the inclined-plane of the wedge piece.
8. testing agency according to claim 1, which is characterized in that the measuring head includes being slidably connected with locating rod Slide post, and be arranged on slide post and towards the contact head of measured piece side wall, the contact head is made of rubber material.
9. testing agency according to claim 1, which is characterized in that be formed with fin, institute on the inclined-plane of the wedge piece The two sides recess for stating fin is formed with the step surface parallel with locating rod;One end that the locating rod protrudes into measured piece is provided with ring Shape mounting portion, the measuring head pass through the annular mounting portion and are connected on the fin, the annular mounting portion and the rib The corresponding position of the step surface of piece two sides, which is extended, sliding wall.
10. testing agency according to claim 2, which is characterized in that the driving device is cylinder, the cylinder connection There is air pressure regulator.
CN201810917708.1A 2018-08-13 2018-08-13 Detection mechanism Active CN109029317B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112082521A (en) * 2020-09-17 2020-12-15 江苏徐工工程机械研究院有限公司 Cylinder inner hole spiral line detection device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05312563A (en) * 1992-05-08 1993-11-22 Seiko Instr Inc Microscope
US6575430B1 (en) * 2002-04-10 2003-06-10 National Coupling Company, Inc. Hydraulic coupling with dovetail seal having multiple radial sealing surfaces
CN203587020U (en) * 2013-11-21 2014-05-07 沈阳黎明航空发动机(集团)有限责任公司 Profile tolerance measuring device for inner molding surface
CN104067086A (en) * 2012-01-20 2014-09-24 三菱重工业株式会社 Hole-shape measuring apparatus and hole-shape measuring method
CN106705798A (en) * 2017-03-08 2017-05-24 重庆大学 Tooth thickness measuring tool for annular gear
CN108332694A (en) * 2018-01-19 2018-07-27 南昌首诺科技有限公司 A kind of prevention of geological disaster Size of Crack detection device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05312563A (en) * 1992-05-08 1993-11-22 Seiko Instr Inc Microscope
US6575430B1 (en) * 2002-04-10 2003-06-10 National Coupling Company, Inc. Hydraulic coupling with dovetail seal having multiple radial sealing surfaces
CN104067086A (en) * 2012-01-20 2014-09-24 三菱重工业株式会社 Hole-shape measuring apparatus and hole-shape measuring method
CN203587020U (en) * 2013-11-21 2014-05-07 沈阳黎明航空发动机(集团)有限责任公司 Profile tolerance measuring device for inner molding surface
CN106705798A (en) * 2017-03-08 2017-05-24 重庆大学 Tooth thickness measuring tool for annular gear
CN108332694A (en) * 2018-01-19 2018-07-27 南昌首诺科技有限公司 A kind of prevention of geological disaster Size of Crack detection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112082521A (en) * 2020-09-17 2020-12-15 江苏徐工工程机械研究院有限公司 Cylinder inner hole spiral line detection device

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