CN203730538U - Replaceable mosaic type flexible hinge fixing structure - Google Patents
Replaceable mosaic type flexible hinge fixing structure Download PDFInfo
- Publication number
- CN203730538U CN203730538U CN201420143085.4U CN201420143085U CN203730538U CN 203730538 U CN203730538 U CN 203730538U CN 201420143085 U CN201420143085 U CN 201420143085U CN 203730538 U CN203730538 U CN 203730538U
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- CN
- China
- Prior art keywords
- flexible hinge
- motion block
- static frame
- straight line
- boss
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- Expired - Fee Related
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Abstract
The utility model discloses a replaceable mosaic type flexible hinge fixing structure which comprises a plurality of flexible hinges, a movable block, a static framework and piezoelectric ceramic; the flexible hinges are at least four and in two groups, each two flexible hinges are opposite to each other, and the flexible hinges are distributed symmetrically; the two ends of the flexible hinges are connected with the movable block and the static framework respectively; the piezoelectric ceramic is positioned on the medial axis of the movable block and the static framework and mounted between the movable block and the static framework; the movable block is driven to reciprocate by the piezoelectric ceramic under the supporting of the flexible hinges. The replaceable mosaic type flexible hinge fixing structure provided by the utility model is easy to mount and dismount, convenient to adjust and replace, reasonable in design, compact in structure, firm in fixation, and convenient and practical in use, and is used for ultra-precise micro-motion structures or devices.
Description
Technical field
The utility model relates to a kind of removable inserted flexible hinge fixed structure.
Background technique
In knife rest in ultra-precise micro displacement platform or sharp knife servomechanism in grand micro-composite motion platform, there is flexible hinge structure, utilize the resiliently deformable of material to carry out the fine motion of implementation platform.General flexible hinge and micromotion platform and static supporting structure one.Conventionally in an integral material, go out above-mentioned three parts by line cutting process, simple and compact for structure.Owing to need to realizing by flexible hinge generation resiliently deformable the function of micromotion platform motion, therefore flexible hinge is most important part in above-mentioned three parts.
Flexible hinge and micromotion platform and static supporting structure one process, the problem causing is that flexible hinge cannot be changed separately, if need to change performance and the parameter of flexible hinge, as change physical dimension or conversion materials more, will total all again process, only local replacing flexible hinge, cause waste of material and process time excessive cycle.If flexible hinge, micromotion platform and static supporting structure are independently processed, the assembly method fastening with plain screw combines several parts, has the problems such as the large and assembly precision of assembly parts volume is low.Also there is hidden danger in reliability and stability.
Summary of the invention
For the problem of the flexible hinge of entirety processing and the fastening assembly flexible hinge of plain screw, it is a kind of easy for installation that the purpose of this utility model is to provide, removable inserted flexible hinge fixed structure.The utility model is reasonable in design, convenient and practical.
The removable inserted flexible hinge fixed structure of one that the utility model provides, comprises several flexible hinges 1, motion block 7, static frame 13 and piezoelectric constant 14; 1 at least 4 of described flexible hinge, is divided into two groups, relative between two, symmetrical; The two ends of flexible hinge 1 connect respectively motion block 7 and static frame 13; Described piezoelectric constant 14 is positioned on the medial axis of motion block 7 and static frame 13, and it is arranged between motion block 7 and static frame 13, and motion block 7 drives reciprocating by piezoelectric constant 14 under the support of flexible hinge 1.
The cross section of described flexible hinge 1 is Z-shaped, comprise mobile jib portion, straight line neck 5, boss 2 and hinge part, the two ends of mobile jib portion are perpendicular and are the straight line neck 5 of mirror-image structure symmetry, and the end of straight line neck 5 is boss 2, and at least 2 pairs of mobile jib concave arcs 6 that cut in mobile jib portion are hinge parts; On straight line neck 5, have two flexible hinge through holes 15 at least; In described motion block 7 and static frame 13, respectively have 4 grooves 8 at least, groove 8 comprises concave arc 9 and straight walls 11, boss 2 in flexible hinge 1 is embedded in respectively in the concave arc 9 of motion block 7 and static frame 13, and the straight line neck 5 in flexible hinge 1 is embedded in respectively in the straight walls 11 of motion block 7 and static frame 13; Flexible hinge 1 is fastening by bolt 4 with motion block 7 and static frame 13.
Described flexible hinge 1 is 4, is " work " font layout and installs.
The arc profile of described boss 2 outer surfaces is convex arcs 3, and its diameter is greater than the width of straight line neck 5.
The width of described mobile jib portion is greater than the width of hinge part.
Boss 2 in described flexible hinge 1 is transition fit with the concave arc 9 of motion block 7 and static frame 13.
In described motion block and static frame, have through hole and tapped hole, it is corresponding with flexible hinge lead to the hole site, and through hole, tapped hole and flexible hinge through hole three holes in motion block and static frame are concentric, and motion block is connected with bolt with the tapped hole in static frame.
The technical solution of the utility model is: flexible hinge 1, motion block 7 and the static frame 13 intending being assembled together are shaped separately respectively by the method for digital control wire-electrode cutting.The two ends of flexible hinge 1 connect respectively motion block 7 and static frame 13.The two ends of flexible hinge 1 are straight line neck 5 and boss 2 structures, the joint of motion block 7 and static frame 13 is corresponding groove 8 structures, straight line neck 5 and boss 2 are inlayed in groove 8, by bolt 4, groove 8 is out of shape again, straight line neck 5 and boss 2 are wrapped, form overall micromotion platform or sharp knife servo saddle.Between motion block 7 and static frame 13, piezoelectric constant 14 or voice coil motor are installed, are provided power that motion block 7 is moved after energising, several symmetrical flexible hinges 1 produce resiliently deformable, guarantee that motion block 7 can be with respect to static frame 13 translations.
Described bolt 4 is out of shape the groove 8 of motion block 7 and static frame 13, and the straight line neck 5 of flexible hinge 1 and boss 2 are wrapped up and clamped, and makes flexible hinge 1 and motion block 7 and static frame 13 be assembled into one.
In mobile jib portion in described flexible hinge 1, by the narrower region 2 being cut into, mobile jib concave arc 6 is formed to hinge part, mobile jib portion width is greater than hinge part width, and resiliently deformable occurs in hinge position.
The cross section of described flexible hinge 1 is Z-shaped, and two ends are mirror-image structure, and the two ends of mobile jib portion are straight line neck 5 and boss 2.The groove 8 of one end of flexible hinge 1 and motion block 7 is inlayed, and the groove 8 of the other end and static frame is inlayed.
The utility model compared with prior art, has the following advantages and beneficial effect:
1) flexible hinge of the present utility model, motion block and static frame can be shaped by Numerical Control Wire Cutting respectively, are then assembled together; The material of each element can be different, can fully meet each element to the demand of material separately.Particularly flexible hinge is easy to installation and removal, is convenient to independent replacing; To meet the demand that in actual using process, the parameter such as the shape to flexible hinge, size, material, rigidity, natural frequency is adjusted.
2) convex arc of the boss of flexible hinge is wrapped up by the concave arc of motion block or static frame inside grooves; Thereby the accurate location while realizing flexible hinge and motion block and static frame assembling.
3) on motion block or static frame groove, straight walls is alignd with the straight line neck of flexible hinge and can apply clamping force, thereby flexible hinge is fixed.
4) in the utility model, by bolt, the groove groove width in motion block or static frame is narrowed, concave arc is out of shape, and wraps up and clamp straight line neck and the boss of flexible hinge, makes flexible hinge and motion block and static frame be assembled into one.
5) unclamp bolt and can pull down flexible hinge, realize the independent and routine replacement of flexible hinge.
The utility model is that a kind of design is ingenious, and function admirable is convenient and practical, easy for installation, changes and is easy to removable inserted flexible hinge fixed structure.
Brief description of the drawings
Fig. 1 is the removable inserted flexible hinge fixed structure schematic diagram of the utility model device.
Fig. 2 is motion block and the static frame schematic diagram of the utility model device.
Fig. 3 is the removable flexible hinge schematic diagram of the utility model device.
Wherein:
1 flexible hinge, 2 boss, 3 convex arcs, 4 bolts, 5 straight line necks, 6 mobile jib concave arcs, 7 motion blocks, 8 grooves, 9 concave arcs, 10 tapped holes, 11 straight walls, 12 through holes, 13 static frame, 14 piezoelectric constant, 15 flexible hinge through holes.
Embodiment
Below in conjunction with accompanying drawing, the utility model is done further and is described in detail:
Structural representation of the present utility model as shown in Figure 1, 2, removable inserted flexible hinge fixed structure of the present utility model, include four flexible hinges 1, motion block 7, piezoelectric constant 14, static frame 13, wherein flexible hinge 1 symmetry is arranged on motion block 7 both sides, and its other end is connected with static frame 13.Piezoelectric constant 14 is arranged on the position, medial axis of motion block 7 and static frame 13, and one end is connected with motion block 7, and the other end is connected with the back rest of static frame 13.Motion block 7 can be reciprocating with respect to static frame 13 with the driving of piezoelectric constant 14 under the support of flexible hinge 1.
The cross section of described flexible hinge 1 is Z-shaped, respectively there is straight line neck 5 and the boss 2 of mirror-image structure symmetry at the two ends of flexible hinge 1, straight line neck 5 and boss 2 are assemblied in respectively in the groove 8 of motion block 7 and static frame 13, and make motion block 7 and the set groove 8 of static frame 13 wrap up and clamp boss 2 and the straight line neck 5 of flexible hinge 1 by bolt 4, make flexible hinge 1 and motion block 7 and static frame 13 be assembled into one; In described motion block 7 and static frame 13, respectively there are 4 grooves 8, groove 8 comprises concave arc 9 and straight walls 11, boss 2 in flexible hinge 1 is embedded in respectively in the concave arc 9 of motion block 7 and static frame 13, and the straight line neck 5 in flexible hinge 1 is embedded in respectively in the straight walls 11 of motion block 7 and static frame 13; Flexible hinge 1 is fastening by bolt 4 with motion block 7 and static frame 13.Boss 2 in described flexible hinge 1 is transition fit with the concave arc 9 of motion block 7 and static frame 13; In the present embodiment, bolt 4 is stay bolt.
In described flexible hinge 1, the arc profile of boss 2 outer surfaces is convex arc 3, and the width of straight line neck 5 is less than the arc profile diameter of convex arc 3.
Described flexible hinge 1 has four, totally eight straight line necks 5 and boss 2.Motion block 7 is corresponding is provided with four grooves 8 corresponding with set four the straight line necks 5 in flexible hinge 1 one end and boss 2.Static frame 13 is also corresponding is provided with the groove 8 corresponding with four straight line necks 5 of the other end and boss 2.
Described flexible hinge 1 and motion block 7 are inlayed after assembling symmetrical with respect to the medial axis of piezoelectric constant 14, a pair of on one side, totally two pairs, are " work " font layout.Flexible hinge 1 is provided with through hole 15, so as when assembling bolt 4 pass.
The set groove 8 of described motion block 7 and static frame 13 comprises concave arc 9 and straight walls 11, and the concave arc of its further groove can tightly wrap up the boss 2 of flexible hinge, and the straight walls 11 of groove tightly clamps the straight line neck 5 of flexible hinge 1.Set straight line neck 5 and the boss 2 of the groove 8 that 13 cuttings of motion block 7 and static frame form and flexible hinge 1 contains mutually, circular arc part on groove has a segment distance the shortest to the outer edge of motion block 7 and static frame 13, the effect of bolt 4 deforms this section circular arc the shortest apart from edge, the arc section of groove tightly wraps up the boss 2 of flexible hinge 1, the straight walls 11 of groove tightly clamps the straight line neck 5 of flexible hinge 1, makes flexible hinge and motion block and static frame 13 be assembled into one.
The convex arc 3 of described flexible hinge 1 is the arc profile that a section of flexible hinge 1 outermost end outer surface exceedes 180 degree; Flexible hinge 1 comprises mobile jib portion, straight line neck 5, boss 2 and hinge part, and the width of hinge part is less than the width of mobile jib portion; The stressed resiliently deformable of part concentrates on narrower hinge part, and mobile jib portion is without distortion.The circular arc at hinge position excessively can avoid stress to concentrate.
In the present embodiment, the material of described flexible hinge 1 can be different from the material of motion block 7 and static frame 13, to pursue whole structure the best.In using process, also can only change flexible hinge as required and other parts are constant.
Working principle of the present utility model is as follows: with the metallic material of different qualities respectively cutting process go out flexible hinge 1, motion block 7 and static frame 13, under the driving of piezoelectric constant 14, motion block 7 is reciprocating with respect to static frame 13 under the support of flexible hinge 1.
Claims (7)
1. a removable inserted flexible hinge fixed structure, is characterized in that: comprise several flexible hinges (1), motion block (7), static frame (13) and piezoelectric constant (14); (1) at least 4 of described flexible hinge, is divided into two groups, relative between two, symmetrical; The two ends of flexible hinge (1) connect respectively motion block (7) and static frame (13); Described piezoelectric constant (14) is positioned on the medial axis of motion block (7) and static frame (13), it is arranged between motion block (7) and static frame (13), and motion block (7) drives reciprocating by piezoelectric constant (14) under the support of flexible hinge (1).
2. removable inserted flexible hinge fixed structure according to claim 1, it is characterized in that: the cross section of described flexible hinge (1) is Z-shaped, comprise mobile jib portion, straight line neck (5), boss (2) and hinge part, the two ends of mobile jib portion are perpendicular and are the straight line neck (5) of mirror-image structure symmetry, the end of straight line neck (5) is boss (2), and at least 2 pairs of mobile jib concave arcs (6) that cut in mobile jib portion are hinge parts; On straight line neck (5), have two flexible hinge through holes (15) at least; In described motion block (7) and static frame (13), respectively have 4 grooves (8) at least, groove (8) comprises concave arc (9) and straight walls (11), boss (2) in flexible hinge (1) is embedded in respectively in the concave arc (9) of motion block (7) and static frame (13), and the straight line neck (5) in flexible hinge (1) is embedded in respectively in the straight walls (11) of motion block (7) and static frame (13); Flexible hinge (1) is fastening by bolt (4) with motion block (7) and static frame (13).
3. removable inserted flexible hinge fixed structure according to claim 1, is characterized in that:
Described flexible hinge (1) is 4, is " work " font layout and installs.
4. removable inserted flexible hinge fixed structure according to claim 2, is characterized in that: the arc profile of described boss (2) outer surface is convex arc (3), and its diameter is greater than the width of straight line neck (5).
5. removable inserted flexible hinge fixed structure according to claim 2, is characterized in that:
The width of described mobile jib portion is greater than the width of hinge part.
6. removable inserted flexible hinge fixed structure according to claim 2, is characterized in that:
Boss (2) in described flexible hinge (1) is transition fit with the concave arc (9) of motion block (7) and static frame (13).
7. removable inserted flexible hinge fixed structure according to claim 2, is characterized in that:
In described motion block and static frame, have through hole and tapped hole, it is corresponding with flexible hinge lead to the hole site, and through hole, tapped hole and flexible hinge through hole three holes in motion block and static frame are concentric, and motion block is connected with bolt with the tapped hole in static frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420143085.4U CN203730538U (en) | 2014-03-27 | 2014-03-27 | Replaceable mosaic type flexible hinge fixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420143085.4U CN203730538U (en) | 2014-03-27 | 2014-03-27 | Replaceable mosaic type flexible hinge fixing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203730538U true CN203730538U (en) | 2014-07-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420143085.4U Expired - Fee Related CN203730538U (en) | 2014-03-27 | 2014-03-27 | Replaceable mosaic type flexible hinge fixing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203730538U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912573A (en) * | 2014-03-27 | 2014-07-09 | 广东工业大学 | Replaceable inlaid-type flexible hinge fixing structure |
| US10221689B1 (en) | 2017-02-08 | 2019-03-05 | Air Liquide Large Industries U.S. Lp | Method for forming and maintaining a fundamentally impervious boundary to very high purity hydrogen in a salt cavern |
-
2014
- 2014-03-27 CN CN201420143085.4U patent/CN203730538U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912573A (en) * | 2014-03-27 | 2014-07-09 | 广东工业大学 | Replaceable inlaid-type flexible hinge fixing structure |
| CN103912573B (en) * | 2014-03-27 | 2016-03-23 | 广东工业大学 | Removable inserted flexible hinge fixed structure |
| US10221689B1 (en) | 2017-02-08 | 2019-03-05 | Air Liquide Large Industries U.S. Lp | Method for forming and maintaining a fundamentally impervious boundary to very high purity hydrogen in a salt cavern |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20170327 |