CN114754658B - Flatness measuring tool - Google Patents
Flatness measuring tool Download PDFInfo
- Publication number
- CN114754658B CN114754658B CN202210677653.8A CN202210677653A CN114754658B CN 114754658 B CN114754658 B CN 114754658B CN 202210677653 A CN202210677653 A CN 202210677653A CN 114754658 B CN114754658 B CN 114754658B
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- Prior art keywords
- base
- rod
- dial indicator
- clamping
- detachably connected
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/28—Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to the technical field of detection tools and discloses a flatness measuring tool which comprises a base, a plurality of clamping pieces, a fixing assembly and a dial indicator, wherein the clamping pieces are arranged on the base; the clamping pieces are arranged on the base and are arranged at intervals, and the clamping pieces are used for clamping a product on the base; the fixing assembly is detachably connected to the base and is arranged at intervals with the clamping pieces; the dial indicator is connected with one end of the fixing component far away from the base; wherein, fixed subassembly with the back is connected to the base, the percentage table is pressed close to and is located product on the base, so that the percentage table is right the product is measured. The technical scheme of the invention can shorten the measurement period and meet the field measurement requirement.
Description
Technical Field
The invention relates to the technical field of detection tools, in particular to a flatness measuring tool.
Background
Electronic product generally sets up the heat dissipation part in order to give off the heat, and the flatness is not conform to the surperficial unevenness of the heat dissipation part of requirement for the heat dissipation part can not closely laminate with electronic product's CPU, leads to electronic product's radiating effect relatively poor, therefore the plane degree direct influence of heat dissipation part is to electronic product complete machine's performance.
The flatness requirement of the electronic product is within 0.05mm, the precision requirement is high, in order to detect the flatness of the electronic product, the heat dissipation part which does not meet the requirement is prevented from being installed in the electronic product, the flatness is generally measured on the heat dissipation part by a three-dimensional image measuring instrument, but the three-dimensional image measuring instrument is complex in measurement, long in period and incapable of meeting the measurement requirement of field detection.
Disclosure of Invention
The invention mainly aims to provide a flatness measuring tool, which aims to shorten the measuring period and meet the measuring requirement of field detection.
In order to achieve the above object, the present invention provides a flatness measuring tool, including:
a base;
the clamping pieces are arranged on the base and are arranged at intervals, and the clamping pieces are used for clamping a product on the base;
the fixing assembly is detachably connected to the base and is arranged at intervals with the clamping pieces;
the dial indicator is connected with one end, far away from the base, of the fixing component;
wherein, fixed subassembly with the back is connected to the base, the percentage table is pressed close to and is located product on the base, so that the percentage table is right the product is measured.
In one embodiment, the securing assembly comprises:
the fixed rod is detachably connected to the base;
the rotating part is detachably connected with one end, far away from the base, of the fixed rod, and is arranged at an included angle with the fixed rod; the dial indicator is connected with one end, far away from the fixed rod, of the rotating piece, so that the rotating piece drives the dial indicator to rotate relative to the base.
In one embodiment, the rotating member includes:
the bracket is detachably connected with one end, far away from the base, of the fixed rod;
the fixed seat is detachably connected with one end, far away from the fixed rod, of the bracket;
the indexing disc is rotatably connected to one side, back to the support, of the fixed seat; the dial indicator is connected with one side, back to the fixed seat, of the dividing plate, so that the dividing plate drives the dial indicator to rotate relative to the base.
In one embodiment, a clamping hole, a clamping seam and a screw hole are formed in one end, away from the fixed seat, of the support, the clamping hole, the clamping seam and the screw hole are sequentially communicated, the clamping seam extends to the edge of the support, and the screw hole and the clamping hole are arranged at intervals;
the fixing assembly further comprises a screw, one end, far away from the base, of the fixing rod penetrates through the clamping hole, the screw penetrates through the screw hole and the clamping seam in sequence, and therefore the fixing rod can be detachably connected with the support.
In one embodiment, the outer circumferential wall of the indexing disk is provided with a handle.
In one embodiment, the rotating member further comprises:
the mounting seat is connected with one side, back to the support, of the index plate; the mounting seat is provided with a sliding groove;
one end of the connecting rod is provided with a limiting bulge, and the limiting bulge is connected in the sliding groove in a sliding manner so that the connecting rod is connected to the mounting seat in a sliding manner; one end of the connecting rod, which is far away from the sliding groove, is detachably connected with the dial indicator.
In one embodiment, a stopping portion is disposed on a groove wall of the sliding groove, and the stopping portion is used for limiting the position of the limiting protrusion in the sliding groove.
In one embodiment, the connecting rod comprises a first rod section and a second rod section connected with the first rod section, and the second rod section and the first rod section are arranged at an included angle; the first rod section is provided with the limiting bulge, and the dial indicator is detachably connected with the second rod section.
In an embodiment, the connecting rod further comprises a grabbing rod section, and the grabbing rod section is connected with the second rod section and arranged at an included angle with the second rod section.
In one embodiment, the gripping rod segment has an L-shaped longitudinal cross-sectional shape.
The flatness measuring tool in the technical scheme of the invention comprises a base, a plurality of clamping pieces, a fixing assembly and a dial indicator; the clamping pieces are arranged on the base at intervals and used for clamping a product on the base; the fixing assembly is detachably connected to the base and is arranged at intervals with the clamping pieces; the dial indicator is connected with one end of the fixing component far away from the base; so, after the user only needed to fix the product with a plurality of clamping pieces of flatness measurement frock, afterwards through the percentage table of being connected with fixed subassembly and the surface contact of product, utilize the measuring staff of percentage table to detect the surface flatness data of product, whole measuring process expends time shorter, shortens the measurement cycle of product greatly, and the volume and the weight of flatness measurement frock are less for the flatness measurement frock is easily transported, thereby satisfies on-the-spot measurement demand.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of a view angle of the flatness measuring tool of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a left side view of the flatness measuring fixture of the present invention;
FIG. 4 is a schematic structural view of the flatness measuring tool according to the present invention after the fixing assembly and the dial indicator are assembled;
FIG. 5 is a schematic structural view of a mounting seat of the flatness measuring tool of the present invention;
FIG. 6 is a schematic structural view of a connecting rod of the flatness measuring tool of the present invention;
fig. 7 is a schematic structural view of a bracket of a fixing assembly of the flatness measuring apparatus according to the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) | |
| 10 | |
323a | Handle (CN) | |
| 20 | |
33 | Screw (screw) | |
| 30 | |
324 | |
|
| 31 | |
| Sliding chute | |
| 32 | |
324b | Stop |
|
| 321 | |
325 | Connecting |
|
| | Fastening hole | 325a | |
|
| | Card slot | 3251 | |
|
| | Screw hole | 3252 | |
|
| 322 | Fixed |
3253 | Grabbing |
|
| 323 | |
40 | Dial indicator |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a flatness measuring tool.
In the embodiment of the present invention, referring to fig. 1, 3 and 4, the flatness measuring tool includes a base 10, a plurality of clamping members 20, a fixing assembly 30 and a dial indicator 40; the clamping pieces 20 are arranged on the base 10, the clamping pieces 20 are arranged at intervals, and the clamping pieces 20 are used for clamping a product on the base 10; the fixing assembly 30 is detachably connected to the base 10 and is spaced apart from the clamping members 20; the dial indicator 40 is connected with one end of the fixing component 30 far away from the base 10; wherein, after the fixing component 30 is connected with the base 10, the dial indicator 40 is close to the product on the base 10, so that the dial indicator 40 measures the product.
In the present embodiment, the dial indicator 40 operates on the principle that a small linear movement of a measuring rod caused by a measured scale is converted into a conversion of a pointer on a dial through gear transmission and expansion, and then the large and small of the measured scale is read.
Before measuring the product, the user dismantles fixed subassembly 30 from base 10 earlier, place the product on base 10 again, connect fixed subassembly 30 on base 10 afterwards, the product of placing on base 10 is pressed from both sides tightly through a plurality of clamping pieces 20, so, fixed subassembly 30 drives the product that percentage table 40 is pressed close to on the base 10, and then can let the surface contact of the measuring staff of percentage table 40 and product, there is tiny removal when the measuring staff at the surface contact in-process with the product, the pointer of percentage table 40 also can appear changing on the calibrated scale, thereby can read out the plane degree data of product fast.
The clamping piece 20 of this embodiment is the quick clamp, and all quick clamp press the position that attaches and be the internal screw lock of product and attach the position, have guaranteed authenticity and the accuracy of flatness measurement frock.
In this embodiment, after a user only needs to fix a product with a plurality of clamping pieces 20 of the flatness measurement tool, the dial indicator 40 connected with the fixing component 30 is then contacted with the surface of the product, the measuring rod of the dial indicator 40 is used for detecting the surface flatness data of the product, the whole measurement process consumes short time, the measurement period of the product is greatly shortened, the size and the weight of the flatness measurement tool are small, the flatness measurement tool is easy to transport, and the measurement requirement of field detection is met.
In one embodiment, referring to fig. 1, 3 and 4, the fixing assembly 30 includes a fixing rod 31 and a rotating member 32, the fixing rod 31 is detachably connected to the base 10; the rotating part 32 is detachably connected with one end of the fixed rod 31 far away from the base 10 and forms an included angle with the fixed rod 31; the dial indicator 40 is connected to an end of the rotating member 32 away from the fixing rod 31, so that the rotating member 32 drives the dial indicator 40 to rotate relative to the base 10.
In this embodiment, the fixing rod 31 is detachably connected to the base 10, so that the fixing member 30 and the dial indicator 40 can be detached from the base 10, thereby facilitating a user to place a product on the base 10. Through set up rotation piece 32 on dead lever 31, utilize rotation piece 32 to be connected with percentage table 40, so set up, place on base 10 when the product, fixed subassembly 30 connects the back on base 10, the relative base 10 of percentage table 40 accessible rotation piece 32 rotates, and then adjustment percentage table 40 is along the angle of horizontal direction, let percentage table 40 can follow the different positions on the surface of different angle direction contact products, and then increase percentage table 40's detection range, thereby let the plane degree measure frock detect more accurately.
In an embodiment, referring to fig. 1, 3 and 4, the rotating member 32 includes a bracket 321, a fixing base 322 and an index plate 323, wherein the bracket 321 is detachably connected to an end of the fixing rod 31 away from the base 10; the fixed seat 322 is detachably connected with one end of the bracket 321 far away from the fixed rod 31; the dividing plate 323 is rotatably connected to one side of the fixed seat 322, which is back to the bracket 321; the dial indicator 40 is connected with one side of the dividing plate 323, which is back to the fixed seat 322, so that the dividing plate 323 drives the dial indicator 40 to rotate relative to the base 10.
In this embodiment, when a product is placed on the base 10, the dial indicator 40 contacts with the surface of the product, and a user only needs to manually rotate the index plate 323, and the index plate 323 drives the dial indicator 40 to rotate, so as to adjust the angle of the dial indicator 40 along the horizontal direction; so, the flatness measurement tool does not need to be connected in addition in whole measurement process and just can function, only needs user manual operation can accomplish percentage table 40's position adjustment, and the user of being convenient for can all use the flatness measurement tool in any scene to let the flatness measurement tool satisfy the measurement demand of witnessed inspections more easily.
Optionally, the circumferential side wall of the fixing rod 31 of this embodiment is provided with 2 planes, the planes are used for preventing the support 321 from rotating relative to the fixing rod 31, and the support 321 can only move up and down on the fixing rod 31, so as to ensure that the index plate 323 and the dial indicator 40 are at the center of the product.
In an embodiment, referring to fig. 1 to 4 and 7, a card hole 321a, a card slit 321b and a screw hole 321c are disposed at one end of the bracket 321 away from the fixing base 322, the card hole 321a, the card slit 321b and the screw hole 321c are sequentially communicated, the card slit 321b extends to an edge of the bracket 321, and the screw hole 321c and the card hole 321a are disposed at an interval; the fixing assembly 30 further includes a screw 33, one end of the fixing rod 31 far away from the base 10 penetrates through the fastening hole 321a, and the screw 33 penetrates through the screw hole 321c and the fastening slit 321b in sequence, so that the fixing rod 31 is detachably connected to the bracket 321.
In this embodiment, the fastening slot 321b is disposed at one end of the bracket 321 away from the fixing base 322, and the fastening hole 321a and the screw hole 321c are respectively disposed at two ends of the fastening slot 321 b; so set up, after dead lever 31 worn to establish card hole 321a, after screw 33 screw in screw hole 321c afterwards, card seam 321b can dwindle, and then lets the aperture of card hole 321a also diminish to lock dead lever 31 in card hole 321a department, realize dead lever 31 and support 321 can dismantle and be connected, this kind of connection mode of dismantling is simple effective.
Meanwhile, the bracket 321 can be matched and connected with the fixing rod 31 through the clamping hole 321a, and the bracket 321 can be fixed at any height of the fixing rod 31, so that the position of the dial indicator 40 in the vertical direction can be conveniently adjusted, and the dial indicator 40 is closer to the surface of a product on the base 10.
Specifically, the outer circumferential wall of the index plate 323 is provided with a handle 323 a. With the arrangement, a user can grasp the handle 323a and can drive the index plate 323 to rotate more easily by using the handle 323a, so that the rotating speed of the index plate 323 is increased.
In one embodiment, referring to fig. 1 to 6, the rotating member 32 further includes a mounting seat 324 and a connecting rod 325, the mounting seat 324 is connected to a side of the dividing plate 323 facing away from the bracket 321; the mounting base 324 is provided with a chute 324 a; one end of the connecting rod 325 is provided with a limiting bulge 325a, and the limiting bulge 325a is connected in the sliding groove 324a in a sliding manner, so that the connecting rod 325 is connected in the mounting base 324 in a sliding manner; one end of the connecting rod 325, which is far away from the sliding groove 324a, is detachably connected with the dial indicator 40.
In this embodiment, when a product is placed on the base 10, the dial indicator 40 contacts with the surface of the product, and a user only needs to manually drive the limiting protrusion 325a of the connecting rod 325 to slide in the sliding groove 324a of the mounting seat 324, so that the dial indicator 40 connected with the connecting rod 325 can also adjust the position along the extending direction of the sliding groove 324a, the detection range of the dial indicator 40 is further enlarged, and the detection of the flatness measuring tool is more accurate.
Specifically, the index plate 323 is arranged at the center of the product measuring area, after the flatness measuring tool finishes measuring one side, the handle 323a of the index plate 323 is rotated by 90 degrees, the dial indicator 40 rotates by 90 degrees along with the index plate 323, that is, the other side of the product is reached, the flatness of the product is measured again, and after the measurement is finished, the flatness measuring tool is rotated by 90 degrees again until measuring 4 sides of the product is finished.
Optionally, the longitudinal cross-sectional shape of the limiting protrusion 325a is T-shaped, and the longitudinal cross-sectional shape of the sliding groove 324a is T-shaped; of course, in other embodiments, the longitudinal cross-sectional shape of the limiting protrusion 325a and the longitudinal cross-sectional shape of the sliding groove 324a may also be L-shaped or other shapes.
Optionally, a plurality of rotating shafts are disposed on one side of the dividing plate 323 facing the fixing base 322, and the plurality of rotating shafts are rotatably disposed through the fixing base 322, so that the dividing plate 323 is rotatably connected to one side of the fixing base 322 facing away from the bracket 321.
In an embodiment, referring to fig. 1, 4, 5 and 6, the groove wall of the sliding groove 324a is provided with a stopping portion 324b, and the stopping portion 324b is used for limiting the position of the limiting protrusion 325a in the sliding groove 324 a. That is, one end of the sliding groove 324a is provided with the stopping portion 324b, and the other end of the sliding groove 324a is not provided, so that the end, where the stopping portion 324b is not provided, of the sliding groove 324a is a passing end, and thus, when the limiting protrusion 325a slides in the sliding groove 324a, and until the limiting protrusion 325a abuts against the stopping portion 324b, the limiting protrusion 325a cannot slide out of the sliding groove 324a, and further the positions of the connecting rod 325 and the dial indicator 40 are defined, and it is intended to realize the position adjustment of the dial indicator 40 in the extending direction of the sliding groove 324a, and it is further ensured that the dial indicator 40 cannot be disconnected from the mounting seat 324.
Optionally, an elastic layer is disposed on one side of the stopping portion 324b abutting against the limiting protrusion 325a, so that after the elastic layer abuts against the stopping portion 324b, the collision force of the limiting protrusion 325a against the stopping portion 324b is relieved, and the effect of protecting the limiting protrusion 325a is achieved.
In one embodiment, referring to fig. 1, 4, 5 and 6, the connecting rod 325 includes a first rod segment 3251 and a second rod segment 3252 connected to the first rod segment 3251, and the second rod segment 3252 is disposed at an angle to the first rod segment 3251; the first pole section 3251 is provided with a limiting protrusion 325a and the dial indicator 40 is detachably connected with the second pole section 3252.
In this embodiment, the limiting protrusion 325a on the first rod section 3251 is slidably connected to the mounting seat 324, and the second rod section 3252 disposed at an included angle with the first rod section 3251 can be closer to the dial indicator 40, so that the second rod section 3252 can be easily assembled and connected to the dial indicator 40, thereby improving the connection tightness between the connecting rod 325 and the dial indicator 40.
Further, the second rod section 3252 has an L-shaped longitudinal cross-section, such that the connection area between the L-shaped second rod section 3252 and the dial indicator 40 is larger, thereby making the connection between the second rod section 3252 and the dial indicator 40 more stable.
Further, the connecting rod 325 further comprises a grabbing rod section 3253, and the grabbing rod section 3253 is connected with the second rod section 3252 and arranged at an angle with the second rod section 3252. So configured, the user can more easily drive the connecting rod 325 to move along the sliding slot 324a of the mounting seat 324 by grasping the rod section 3253, thereby allowing the connecting rod 325 to move faster.
Optionally, the gripping rod segment 3253 is L-shaped in longitudinal cross-section. The L-shaped grasping rod section 3253 is more easily grasped by the user, thereby increasing the speed of movement of the connecting rod 325.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a flatness measurement frock, its characterized in that, flatness measurement frock includes:
a base;
the clamping pieces are arranged on the base and are arranged at intervals, and the clamping pieces are used for clamping a product on the base;
the fixing assembly is detachably connected to the base and is arranged at intervals with the clamping pieces;
the dial indicator is connected with one end, far away from the base, of the fixing component;
after the fixing component is connected with the base, the dial indicator is close to a product on the base, so that the dial indicator measures the product;
the fixing assembly includes:
the fixed rod is detachably connected to the base;
the rotating piece is detachably connected with one end, far away from the base, of the fixed rod, and is arranged at an included angle with the fixed rod; the dial indicator is connected with one end of the rotating piece, which is far away from the fixed rod, so that the rotating piece drives the dial indicator to rotate relative to the base;
the rotating member includes:
the bracket is detachably connected with one end, far away from the base, of the fixed rod;
the fixed seat is detachably connected with one end, far away from the fixed rod, of the bracket;
the index plate is rotatably connected to one side of the fixed seat, which is back to the bracket; the dial indicator is connected with one side of the dividing plate, which is back to the fixed seat, so that the dividing plate drives the dial indicator to rotate relative to the base;
the rotating member further includes:
the mounting seat is connected with one side, back to the support, of the index plate; the mounting seat is provided with a sliding groove;
one end of the connecting rod is provided with a limiting bulge, and the limiting bulge is connected in the sliding groove in a sliding manner so that the connecting rod is connected in the mounting seat in a sliding manner; one end of the connecting rod, which is far away from the sliding groove, is detachably connected with the dial indicator.
2. The flatness measuring tool according to claim 1, wherein a clamping hole, a clamping seam and a screw hole are formed in one end, away from the fixed seat, of the support, the clamping hole, the clamping seam and the screw hole are sequentially communicated, the clamping seam extends to the edge of the support, and the screw hole and the clamping hole are arranged at intervals;
the fixing assembly further comprises a screw, one end, far away from the base, of the fixing rod penetrates through the clamping hole, the screw penetrates through the screw hole and the clamping seam in sequence, and therefore the fixing rod can be detachably connected with the support.
3. The flatness measuring tool according to claim 1, wherein a handle is arranged on the circumferential outer wall of the index plate.
4. The flatness measuring tool according to claim 1, wherein a stopping portion is provided on a groove wall of the sliding groove, and the stopping portion is used for limiting the position of the limiting protrusion in the sliding groove.
5. The flatness measuring tool according to claim 4, wherein the connecting rod includes a first rod section and a second rod section connected with the first rod section, and the second rod section and the first rod section are arranged at an included angle; the first rod section is provided with the limiting bulge, and the dial indicator is detachably connected with the second rod section.
6. The flatness measuring tool according to claim 5, wherein the connecting rod further comprises a grabbing rod section, and the grabbing rod section is connected with the second rod section and arranged at an included angle with the second rod section.
7. The flatness measuring tool of claim 6 wherein the longitudinal cross-sectional shape of the gripping bar section is L-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210677653.8A CN114754658B (en) | 2022-06-16 | 2022-06-16 | Flatness measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210677653.8A CN114754658B (en) | 2022-06-16 | 2022-06-16 | Flatness measuring tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114754658A CN114754658A (en) | 2022-07-15 |
| CN114754658B true CN114754658B (en) | 2022-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210677653.8A Active CN114754658B (en) | 2022-06-16 | 2022-06-16 | Flatness measuring tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114754658B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4569445A (en) * | 1983-10-19 | 1986-02-11 | At&T Technologies, Inc. | Apparatus for measuring the thickness of disc-like articles |
| CN205482756U (en) * | 2016-01-21 | 2016-08-17 | 苏州市岩金汇电子科技有限公司 | Utensil is examined to sheet metal component plane degree |
| CN207215001U (en) * | 2017-08-11 | 2018-04-10 | 深圳市鑫雅豪智能科技股份有限公司 | A kind of handset mounting flatness checking device |
| CN207730144U (en) * | 2018-01-31 | 2018-08-14 | 重庆鹏鑫达电子科技有限公司 | A kind of handset touch panel surface smoothness detection cubing |
| CN213579122U (en) * | 2020-11-27 | 2021-06-29 | 上海辰基电子科技有限公司 | Flatness detection device |
| CN113155001A (en) * | 2021-05-25 | 2021-07-23 | 河北建设集团天辰建筑工程有限公司 | Flatness measuring device for building engineering construction |
| CN216348341U (en) * | 2021-10-26 | 2022-04-19 | 深圳市荣志成精密机械有限公司 | KSD crosses flatness measuring device for line wheel precision forming |
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2022
- 2022-06-16 CN CN202210677653.8A patent/CN114754658B/en active Active
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| CN114754658A (en) | 2022-07-15 |
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