CN110296645B - Eccentric checking fixture detection block locking mechanism - Google Patents
Eccentric checking fixture detection block locking mechanism Download PDFInfo
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- CN110296645B CN110296645B CN201910709720.8A CN201910709720A CN110296645B CN 110296645 B CN110296645 B CN 110296645B CN 201910709720 A CN201910709720 A CN 201910709720A CN 110296645 B CN110296645 B CN 110296645B
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- movable block
- eccentric
- advancing
- fixed plate
- locking mechanism
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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
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a locking mechanism of an eccentric checking fixture detection block, which relates to the technical field of checking equipment and comprises a base, a fixed plate, a movable block, a rotating shaft and an eccentric driving and reversing rod; the fixed plate is fixed on the base, and a movable block accommodating groove is formed in the fixed plate; the movable block is arranged in the movable block accommodating groove and is movably connected with the fixed plate through a rotating shaft; the eccentric advancing and retreating rod is arranged on the movable block, and the tail end of the eccentric advancing and retreating rod penetrates through the movable block and extends to be matched with the fixed plate on the back side of the movable block; the eccentric type advancing and retreating rod is driven by rotation, the movable block takes the rotating shaft as a rotating shaft, and the movable block is in rotary motion in the movable block accommodating groove of the fixed plate. The locking mechanism of the eccentric checking fixture detection block provided by the invention not only can realize the locking function of the detection block, but also has the advantages of convenience in operation, time and labor conservation, prolonged service life, low cost, no need of frequent replacement and the like.
Description
Technical Field
The invention relates to the technical field of inspection equipment, in particular to a quick locking device for a detection block of an inspection device, and particularly relates to a locking mechanism for a detection block of an eccentric inspection device.
Background
The checking fixture is special checking equipment for measuring and evaluating the size and quality of parts. After the part is accurately fixed on the checking fixture, the hole site, the molded surface and the periphery of the part are checked by visual inspection or by means of checking tools such as a measuring meter, a caliper and a checking pin, and the geometric parameters of the part can be reasonably measured. The surface difference and the seam allowance around the part are detected through a detection block, a detection block mechanism is fixed on a detection tool, the proportion control of the length of a positioning part and the whole length is considered, the repeatability precision and the strength are ensured, and meanwhile, the resetting property is required, and the operation is convenient.
The locking function of the current detection block of the detection tool is realized by adopting a screw-thread fit screwing mode, the movable block needs to be put down and screwed for detection when detection is carried out, and the movable block is unscrewed and opened when detection is not needed. This mode is troublesome poeration, wastes time and energy to, because the screw thread is very easily twisted bad, the frequency of later stage maintenance change also will greatly increased, and the cost risees thereupon.
Disclosure of Invention
The invention mainly aims to provide an eccentric checking fixture detection block locking mechanism, and aims to solve the problems of troublesome operation, time and labor waste, high maintenance and replacement frequency and high cost caused by the adoption of a thread matching and screwing mode in the use process of the conventional checking fixture detection block locking mechanism.
In order to achieve the above object, the present invention provides an eccentric checking fixture detecting block locking mechanism, comprising:
a base;
the fixed plate is fixed on the base and is provided with a movable block accommodating groove;
the movable block is arranged in the movable block accommodating groove and is movably connected with the fixed plate through a rotating shaft;
the eccentric advancing and retreating rod is arranged on the movable block, and the tail end of the eccentric advancing and retreating rod penetrates through the movable block and extends to be matched with the fixed plate on the back side of the movable block;
when the eccentric advancing and retreating rod rotates relative to the movable block, the movable block rotates in the movable block accommodating groove of the fixed plate by taking the rotating shaft as a rotating shaft.
Optionally, the base is provided with a plurality of first bolt holes, and first bolts are matched in the first bolt holes; the base is installed on examining the utensil body through the cooperation of first bolt hole and first bolt.
Optionally, the base is further provided with a second bolt hole, and a second bolt is matched in the second bolt hole; the base is fixed with the fixing plate at the upper end of the base through the matching of the second bolt hole and the second bolt.
Optionally, the fixed plate is specifically a "U" template that the opening is towards side, and upper and lower end communicates, and the inside of "U" template constitutes the movable block holding tank, has held the movable block in the movable block holding tank.
Optionally, the plate body of the fixed plate is provided with an eccentric advancing and retreating rod insertion hole and a movable block fixing part insertion hole; the eccentric advancing and retreating rod insertion hole is in insertion fit with the tail end of the eccentric advancing and retreating rod extending to the fixed plate, and the movable block fixing part insertion groove is in insertion fit with a movable block fixing part additionally arranged on the movable block.
Optionally, the movable block specifically is the movable block of a vertical setting, and the bottom of movable block rotates with the one end of rotation axis and links to each other, and the other end of rotation axis rotates with the fixed plate and links to each other.
Optionally, the movable block comprises a movable block body and a movable block fixing part; the middle part of the movable block body is provided with the eccentric type advancing and retreating rod which is vertical to the movable block body, and the back part of the movable block body is provided with the movable block fixing part; when the movable block is completely reset into the movable block accommodating groove, the movable block and the fixed plate are fixedly inserted into the corresponding movable block fixing part insertion groove on the fixed plate through the movable block fixing part.
Optionally, the eccentric advancing and retreating rod specifically comprises:
rotating the handle;
one end of the eccentric wheel is fixedly connected with the rotating handle;
one end of the driving and reversing rod is fixedly connected with the other end of the eccentric wheel, and the other end of the driving and reversing rod transversely penetrates through the movable block and extends towards the direction of the fixed plate;
the sleeve is sleeved on the periphery of the eccentric wheel and the advancing and retreating rod, and sequentially comprises a sleeve advancing and retreating part, a first sleeve fixing part, a second sleeve fixing part and an eccentric wheel motion track part from far to near by taking the rotary handle as a reference object; the first sleeve fixing part is fixed in the movable block, the second sleeve fixing part is fixed outside the movable block, the sleeve advancing and retreating part and the first sleeve fixing part are connected in a telescopic mode, and the eccentric wheel motion track part and the second sleeve fixing part are movably connected in a telescopic mode.
Optionally, an inclined groove is formed in the motion track part of the eccentric wheel, and a limiting rod is arranged on the eccentric wheel; the limiting rod moves in the chute along the track of the chute to drive the eccentric wheel to rotate eccentrically.
Alternatively, the sleeve advancing-retreating portion may be telescopically moved between the eccentric advancing-retreating rod insertion hole of the fixed plate and the first sleeve fixing portion by eccentric rotation of the eccentric wheel.
According to the technical scheme, the movable block can rotate in the movable block accommodating groove of the fixed plate by taking the rotating shaft as the rotating shaft through rotating the eccentric advancing and retreating rod, so that the locking and unlocking of the locking mechanism can be quickly completed; the quick locking mechanism not only can realize the locking function of the detection block, but also has the advantages of convenient operation, time and labor saving, prolonged service life, low cost, no need of frequent replacement and the like.
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 overall structure diagram of an eccentric gauge detection block locking mechanism in a closed state according to an embodiment of the invention;
FIG. 2 is a detail view of a fixing plate of the locking mechanism of the eccentric gauge detection block in FIG. 1;
FIG. 3 is a detail view of a movable block of the eccentric gauge detection block locking mechanism of FIG. 1;
FIG. 4 is a schematic structural view of an eccentric advancing and retreating rod of the eccentric checking fixture detection block locking mechanism in FIG. 1;
FIG. 5 is a half sectional view of an eccentric advancing/retreating lever of the eccentric gauge detection block locking mechanism of FIG. 1;
FIG. 6 is a schematic view of a sleeve structure of a locking mechanism of the eccentric gauge detection block in FIG. 1;
FIG. 7 is a structural view of the eccentric advancing/retreating rod of the eccentric checking fixture detecting block locking mechanism of FIG. 1 with the sleeve removed.
The reference numbers illustrate:
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, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. 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 locking function of the current detection block of the detection tool is realized by adopting a screw-thread fit screwing mode, the movable block is required to be put down and screwed for detection when detection is carried out, and the movable block is opened quickly when unscrewing when detection is not required. This mode is troublesome poeration, wastes time and energy to, because the screw thread is very easily twisted bad, the frequency of later stage maintenance change also will greatly increased, and the cost risees thereupon.
In view of this, the present invention provides an eccentric checking fixture detecting block locking mechanism, and fig. 1 to 4 are embodiments of the eccentric checking fixture detecting block locking mechanism provided by the present invention. Referring to fig. 1 to 4, the eccentric checking fixture detecting block locking mechanism includes a base 1, a fixed plate 2, a movable block 3, a rotating shaft 4 and an eccentric advancing and retreating rod 5; wherein, the fixed plate 2 is fixed on the base 1, and the fixed plate 2 is provided with a movable block accommodating groove 21; the movable block 3 is arranged in the movable block accommodating groove 21 and is movably connected with the fixed plate 2 through the rotating shaft 4; the eccentric advancing and retreating rod 5 is installed on the movable block 3, and the tail end of the eccentric advancing and retreating rod passes through the movable block 3 and extends to be matched with the fixed plate 2 on the back side of the movable block 3. When the eccentric advancing-retreating lever 5 rotates relative to the movable block 3, the movable block 3 rotates in the movable block accommodating groove 21 of the fixed plate 2 about the rotation shaft 4.
Referring to fig. 1 to 3, in the present embodiment, a plurality of first bolt holes 11 and second bolt holes 12 are formed in a base 1, a first bolt (not shown) is fitted in the first bolt hole 11, and a second bolt (not shown) is fitted in the second bolt hole 12; the base 1 is installed on the checking fixture body through the cooperation of the first bolt hole 11 and the first bolt, and is fixed with the fixing plate 2 at the upper end through the cooperation of the second bolt hole 12 and the second bolt.
Referring to fig. 1 and 2, in the present embodiment, the fixing plate 2 is a U-shaped plate with an opening facing to a side and upper and lower ends communicating with each other, a movable block accommodating groove 21 is formed inside the U-shaped plate, and the movable block 3 is accommodated in the movable block accommodating groove 21. In addition, an eccentric advancing/retreating rod insertion hole 22 and a movable block fixing portion insertion groove 23 are further provided in the plate body of the fixed plate 2, the eccentric advancing/retreating rod insertion hole 22 is fitted to the end of the eccentric advancing/retreating rod 5 extending to the fixed plate 2, and the movable block fixing portion insertion groove 23 is fitted to a movable block fixing portion 32 provided separately in the movable block 3.
Referring to fig. 1 and 3, in the present embodiment, the movable block 3 is a vertically disposed movable block 3, a bottom end of the movable block 3 is rotatably connected to the rotating shaft 4, and two ends of the rotating shaft 4 are rotatably connected to the fixed plate 2. The movable block 3 includes a movable block body 31 and a movable block fixing portion 32, wherein an eccentric advancing/retreating lever 5 is installed at the center of the movable block body 31 in a direction perpendicular to the movable block body, and the movable block fixing portion 32 is installed at the back of the movable block body 31. When the movable block 3 is completely restored to the movable block accommodating groove 21, the movable block 3 and the fixed plate 2 are inserted and matched with the corresponding movable block fixing part insertion groove 23 on the fixed plate 2 through the movable block fixing part 32 to be limited and fixed.
Referring to fig. 1, 4 to 7, in the present embodiment, the eccentric advancing/retreating rod 5 includes a rotary handle 51, an eccentric wheel 52, an advancing/retreating rod 53, and a sleeve 54 sleeved on the outer periphery of the eccentric wheel 52 and the advancing/retreating rod 53; one end of the eccentric wheel 52 is fixedly connected with the rotating handle 51; one end of the advancing-retreating rod 53 is fixedly connected to the other end of the eccentric 52, and the other end thereof extends across the movable block 3 toward the fixed plate 2. With the rotary handle 51 as a reference, as shown in fig. 5 and 6, the sleeve 54 sequentially comprises a sleeve advancing and retreating portion 541, a first sleeve fixing portion 542, a second sleeve fixing portion 543 and an eccentric wheel movement track portion 544 from far to near; the first sleeve fixing portion 542 is fixed inside the movable block 3, the second sleeve fixing portion 543 is fixed outside the movable block 3, and the sleeve moving portion 541 and the first sleeve fixing portion 542, the eccentric wheel moving track portion 544 and the second sleeve fixing portion 543 are movably connected in a telescopic manner. Meanwhile, an inclined groove 5441 is formed on the eccentric wheel motion track part 544, and a limiting rod 521 is arranged on the eccentric wheel 52; the limiting rod 521 moves along the trajectory of the inclined groove 5441 to drive the eccentric wheel 52 to eccentrically rotate. Further, the sleeve advancing-retreating portion 541 makes telescopic movement between the eccentric advancing-retreating lever insertion hole 22 of the fixed plate 2 and the first sleeve fixing portion 542 by the eccentric rotation of the eccentric wheel 52.
The working principle is as follows:
when the rotating handle 51 is rotated, the movement track of the eccentric wheel 52 in the sleeve 54 is eccentric, so that the advancing/retreating rod 53 can be rotated outwards, and at this time, the sleeve advancing/retreating portion 541 moves into the first sleeve fixing portion 542 and retreats from the eccentric advancing/retreating rod insertion hole 22, the eccentric wheel movement track portion 544 is separated from the second sleeve fixing portion 543, and the mechanism is in a non-detection state;
the movable block 3 is pushed into the fixed plate 2, the handle 51 is rotated in the opposite direction, the sleeve advancing and retreating part 541 moves into the eccentric advancing and retreating rod insertion hole 22, and at this time, the movable block fixing part 32 is matched with the movable block fixing part insertion groove 23 for locking, so that the quick locking of the detection block is completed, and the detection block is in a detection state.
In the technical scheme of the embodiment, the movable block 3 can rotate in the movable block accommodating groove 21 of the fixed plate 2 by taking the rotating shaft 4 as a rotating shaft through rotating the eccentric advancing and retreating rod 5, so that the locking and unlocking of the locking mechanism can be quickly completed; adopt quick locking mechanism of this embodiment, can not only realize detecting piece locking function, still have convenient operation, labour saving and time saving, life extension, with low costs, need not frequently change advantage such as simultaneously.
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 (9)
1. The utility model provides an eccentric formula is examined utensil and is detected piece locking mechanism which characterized in that includes:
a base;
the fixed plate is fixed on the base and is provided with a movable block accommodating groove;
the movable block is arranged in the movable block accommodating groove and is movably connected with the fixed plate through a rotating shaft;
the eccentric advancing and retreating rod is arranged on the movable block, and the tail end of the eccentric advancing and retreating rod penetrates through the movable block and extends to be matched with the fixed plate on the back side of the movable block;
when the eccentric advancing and retreating rod rotates relative to the movable block, the movable block takes the rotating shaft as a rotating shaft and rotates in the movable block accommodating groove of the fixed plate;
the eccentric advancing and retreating rod specifically comprises:
rotating the handle;
one end of the eccentric wheel is fixedly connected with the rotating handle;
one end of the driving and reversing rod is fixedly connected with the other end of the eccentric wheel, and the other end of the driving and reversing rod transversely penetrates through the movable block and extends towards the direction of the fixed plate;
the sleeve is sleeved on the periphery of the eccentric wheel and the advancing and retreating rod, and sequentially comprises a sleeve advancing and retreating part, a first sleeve fixing part, a second sleeve fixing part and an eccentric wheel motion track part from far to near by taking the rotary handle as a reference object; the first sleeve fixing part is fixed in the movable block, the second sleeve fixing part is fixed outside the movable block, the sleeve advancing and retreating part and the first sleeve fixing part are connected in a telescopic mode, and the eccentric wheel motion track part and the second sleeve fixing part are movably connected in a telescopic mode.
2. The eccentric checking fixture detecting block locking mechanism according to claim 1, wherein the base is provided with a plurality of first bolt holes, and first bolts are matched in the first bolt holes; the base is installed on examining the utensil body through the cooperation of first bolt hole and first bolt.
3. The eccentric checking fixture detection block locking mechanism according to claim 1, wherein the base is further provided with a second bolt hole, and a second bolt is matched in the second bolt hole; the base is fixed with the fixing plate at the upper end of the base through the matching of the second bolt hole and the second bolt.
4. The eccentric checking fixture detecting block locking mechanism according to any one of claims 1 to 3, wherein the fixing plate is a U-shaped plate with an opening facing to a side and upper and lower ends communicating with each other, the inside of the U-shaped plate forms a moving block accommodating groove, and the moving block is accommodated in the moving block accommodating groove.
5. The eccentric checking fixture detecting block locking mechanism according to claim 4, wherein the plate body of the fixed plate is provided with an eccentric advancing and retreating rod insertion hole and a movable block fixing part insertion groove; the eccentric advancing and retreating rod insertion hole is in insertion fit with the tail end of the eccentric advancing and retreating rod extending to the fixed plate, and the movable block fixing part insertion groove is in insertion fit with a movable block fixing part additionally arranged on the movable block.
6. The eccentric checking fixture detecting block locking mechanism according to any one of claims 1 to 3, wherein the movable block is a vertically arranged movable block, the bottom end of the movable block is rotatably connected with one end of a rotating shaft, and the other end of the rotating shaft is rotatably connected with the fixed plate.
7. The eccentric inspection tool detection block locking mechanism of claim 6, wherein the movable block comprises a movable block body and a movable block fixing part; the middle part of the movable block body is provided with the eccentric type advancing and retreating rod which is vertical to the movable block body, and the back part of the movable block body is provided with the movable block fixing part; when the movable block is completely reset into the movable block accommodating groove, the movable block and the fixed plate are fixedly inserted into the corresponding movable block fixing part insertion groove on the fixed plate through the movable block fixing part.
8. The eccentric inspection tool detection block locking mechanism according to claim 1, wherein the eccentric wheel is provided with a chute on the motion track part and a limit rod on the eccentric wheel; the limiting rod moves in the chute along the track of the chute to drive the eccentric wheel to rotate eccentrically.
9. The eccentric gauge detection block locking mechanism according to claim 8, wherein the sleeve advancing and retreating portion performs a telescopic motion between the eccentric advancing and retreating rod insertion hole of the fixing plate and the first sleeve fixing portion under eccentric rotation of the eccentric wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910709720.8A CN110296645B (en) | 2019-07-31 | 2019-07-31 | Eccentric checking fixture detection block locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910709720.8A CN110296645B (en) | 2019-07-31 | 2019-07-31 | Eccentric checking fixture detection block locking mechanism |
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| Publication Number | Publication Date |
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| CN110296645A CN110296645A (en) | 2019-10-01 |
| CN110296645B true CN110296645B (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910709720.8A Active CN110296645B (en) | 2019-07-31 | 2019-07-31 | Eccentric checking fixture detection block locking mechanism |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247910A (en) * | 2016-08-27 | 2016-12-21 | 周家全 | A kind of process of rotating dog change detection difference eccentric throw |
| CN206321195U (en) * | 2016-12-31 | 2017-07-11 | 马鞍山威泰机电有限公司 | A kind of axiality detection device of power-assisted steering motor housing |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4781351A (en) * | 1987-04-06 | 1988-11-01 | Nicholas Parapetti | Device for adjustably supporting a dial indicator |
| JP2007139743A (en) * | 2005-10-21 | 2007-06-07 | Jst Mfg Co Ltd | Inspection device for manual crimp tool |
| CN205254573U (en) * | 2015-12-22 | 2016-05-25 | 重庆标准件工业公司 | Multi -functional drilling frock of fastener |
| CN106066139A (en) * | 2016-05-26 | 2016-11-02 | 奇瑞汽车股份有限公司 | A kind of cubing switching mechanism with limit function |
-
2019
- 2019-07-31 CN CN201910709720.8A patent/CN110296645B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247910A (en) * | 2016-08-27 | 2016-12-21 | 周家全 | A kind of process of rotating dog change detection difference eccentric throw |
| CN206321195U (en) * | 2016-12-31 | 2017-07-11 | 马鞍山威泰机电有限公司 | A kind of axiality detection device of power-assisted steering motor housing |
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| CN110296645A (en) | 2019-10-01 |
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