CN105697502A - Clearance-free mounting mechanism with adjustable hole site and mounting method - Google Patents
Clearance-free mounting mechanism with adjustable hole site and mounting method Download PDFInfo
- Publication number
- CN105697502A CN105697502A CN201610168439.4A CN201610168439A CN105697502A CN 105697502 A CN105697502 A CN 105697502A CN 201610168439 A CN201610168439 A CN 201610168439A CN 105697502 A CN105697502 A CN 105697502A
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- Prior art keywords
- hole
- eccentric
- installing mechanism
- installation
- round platform
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- 230000007246 mechanism Effects 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims description 10
- 238000009434 installation Methods 0.000 claims description 37
- 230000008901 benefit Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/005—Set screws; Locking means therefor
Abstract
The invention discloses a clearance-free mounting mechanism with an adjustable hole site. The clearance-free mounting mechanism comprises a T-shaped circular truncated cone, a cylindrical structure and a shaft pin screw, wherein the T-shaped circular truncated cone consists of a large cylindrical part and a small cylindrical part; the outside diameter of the small cylindrical part is identical with the aperture of a mounting through hole; a first eccentric through hole is formed in the T-shaped circular truncated cone; the outside diameter of the cylindrical structure is identical with that of the first eccentric through hole; a second eccentric through hole is formed in the cylindrical structure; the shaft pin screw sequentially consists of a screw head, a cylindrical section and a thread section; the outside diameter of the cylindrical section is smaller than that of the screw head and is identical with the aperture of the second eccentric through hole; the thread section is matched with a threaded hole; the cylindrical structure is arranged in the first eccentric through hole; the small cylindrical part of the T-shaped circular truncated cone is arranged in the mounting through hole; and the shaft pin screw sequentially penetrates through the second eccentric through hole and is screwed into the threaded hole. According to the clearance-free mounting mechanism disclosed by the invention, the structure is simple and reliable; the coaxiality of the mounting through hole and the threaded hole can be adjusted conveniently and continuously at high precision, an obvious clearance between the mounting through hole and the screw can be eliminated, and the stability of the relative position relationship of parts is guaranteed.
Description
Technical field
The present invention relates to attachment structure technical field, be specifically related to a kind of adjustable gapless installing mechanism in position, hole and installation method。
Background technology
Screw is that two zero (portion) parts realize installing the most universal way connected, and its premise is to process installation through hole and the screwed hole of coupling on zero (portion) part respectively。Zero (portion) part generally there are multiple installation through hole or screwed hole, it is limited to the existence of mismachining tolerance, relative position between through hole, screwed hole has certain error, and along with the increase of pitch of holes, the increasing of hole count, through hole, screwed hole not concentric problem that this error causes are more and more obvious。For solving the problems referred to above, ensure to install frequently with the method expanding through-hole diameter or working special-shaped hole, but it is introduced into new problem equally: the through hole of expansion or profiled holes are that the part relative changing of the relative positions in linkage interface provides movement clearance, when being subject to the vibration in direction along linkage interface face, high precision position relation between the two will not exist, and such as benchmark class part, optical component bearing etc. are intolerable by this。Also there is the way of interstitital texture glue in above-mentioned movement clearance, but this will make this structure no longer have adjustability, have impact on the multiplexing of part and dismounting process。
Summary of the invention
In order to solve the problems referred to above, the invention provides the adjustable gapless installing mechanism in a kind of position, hole, for a part to be installed is installed to a base element, described part to be installed is provided with installation through hole, described base element is provided with screwed hole, it is characterized in that, the adjustable gapless installing mechanism in position, described hole includes:
T-shaped round platform, is made up of big column part and small column part, and the external diameter of described small column part is identical with the aperture of described installation through hole；Described T-shaped round platform is additionally provided with the first eccentric through-hole；
Column structure, its external diameter is identical with the external diameter of described first eccentric through-hole；Described column structure is additionally provided with the second eccentric through-hole；
Pivot pin screw, is made up of head of screw, cylindrical section and thread segment order；Described cylindrical section external diameter is less than the external diameter of described head of screw, and identical with the aperture of described second eccentric through-hole；The diameter of described thread segment is less than the diameter of described cylindrical section, and described thread segment and described screwed hole match；
Described column structure is arranged in described first eccentric through-hole, and the small column part of described T-shaped round platform is installed in described installation through hole；After described pivot pin screw described second eccentric through-hole of traverse in screwed hole described in precession, described cylindrical section is positioned at described second eccentric through-hole, and described thread segment and described screwed hole are connected。
It is preferred that described installation through hole and described screwed hole are each perpendicular to the installation linkage interface of described part to be installed and base element。
It is preferred that between described small column part with described installation through hole, between described column structure and described first eccentric through-hole, coordinate for small-gap suture between described cylindrical section and described second eccentric through-hole。
It is preferred that the length of described small column part is identical with the length of described installation through hole。
It is preferred that the length of described column structure is less than or equal to the length of described T-shaped round platform。
It is preferred that also include spring washer, flat shim, described spring washer and flat shim order are set on described cylindrical section, and are pressed between the upper surface of described head of screw lower surface and described T-shaped round platform。
It is preferred that the length of described cylindrical section is less than or equal to the summation of the thickness of the length of described T-shaped round platform, the thickness of described spring washer and described flat shim。
It is preferred that coordinating between the inner ring of described flat shim and described cylindrical section is matched in clearance, the external diameter of described flat shim is identical with the external diameter of described big column part。
It is preferred that the offset of the first eccentric through-hole is identical with the offset of the second eccentric through-hole on described column structure on described T-shaped round platform。
Present invention also offers position, a kind of hole adjustable the installation method of gapless installing mechanism, adopt position, hole as above adjustable gapless installing mechanism, installation steps include:
A, column structure is installed in the first eccentric through-hole of T-shaped round platform, and makes the eccentric direction of the second eccentric through-hole on column structure and the first bias make eccentric direction consistent, then put in entirety in the installation through hole of part to be installed；
The T-shaped round platform of b, unitary rotation and column structure, until the screwed hole on the second fully aligned base element of eccentric through-hole on column structure；
C, last, pivot pin screw is sequentially passed through spring washer, flat shim and the second eccentric through-hole and is screwed in screwed hole and fastens。
Due to the fact that the above technical scheme of employing, so as to compared with prior art, have the following advantages that and good effect:
(1) the adjustable gapless installing mechanism in position, hole provided by the invention, simple and reliable in structure, can adjust the axiality installing through hole with screwed hole conveniently, in high precision, continuously；
(2) the adjustable gapless installing mechanism in position, hole provided by the invention, can eliminate the obvious gap installed between through hole and screw, strengthens the mechanical performance of junction, it is ensured that between part, relative position relation stablizes。
Accompanying drawing explanation
In conjunction with accompanying drawing, by hereafter state detailed description, the above-mentioned and other feature and advantage of the present invention can be more clearly understood that, wherein:
Fig. 1 is the structural representation of the adjustable gapless installing mechanism in position, hole provided by the invention；
Fig. 2 is the fundamental diagram of the adjustable gapless installing mechanism in position, hole provided by the invention。
Symbol description:
1-part to be installed
2-base element
3-T type round platform
4-cylinder
5-pivot pin screw
6-spring washer
7-flat shim
Detailed description of the invention
Referring to the accompanying drawing illustrating the embodiment of the present invention, the present invention is described in more detail。But, the present invention can realize in many different forms, and should not be construed as by restriction of the embodiment of proposition at this。On the contrary, it is proposed to these embodiments are to reach fully and complete disclosure, and make those skilled in the art understand the scope of the present invention completely。In these accompanying drawings, for clarity sake, it is possible to be exaggerated size and the relative size in layer and region。
With reference to Fig. 1, the invention provides the adjustable gapless installing mechanism in a kind of position, hole, for a part 1 to be installed is installed to a base element 2, part 1 to be installed is provided with installation through hole, being provided with screwed hole on base element 2, installation through hole and screwed hole are each perpendicular to the installation linkage interface of described part to be installed and base element；This position, hole adjustable gapless installing mechanism mainly includes T-shaped round platform 3, column structure 4 and pivot pin screw 5, and T-shaped round platform 3 is placed in installation through hole, and column structure 4 is placed in T-shaped round platform 3, after pivot pin screw 5 traverse column structure 4 in precession tapped through hole。
Wherein, T-shaped round platform 3 is made up of big column part and small column part, and the diameter of big column part is more than the diameter of small column part, and the external diameter of big column part is identical with the aperture installing through hole, in order to carries out coordinating and installs；Wherein, the length of small column part is identical with the length installing through hole；Being additionally provided with one first eccentric through-hole on T-shaped round platform 3, the first eccentric through-hole runs through whole T-shaped round platform 3。
The length of column structure 4 is identical less than or equal to the length of T-shaped round platform 3, the external diameter of column structure 4 and the internal diameter of the first eccentric through-hole, in order to carries out coordinating and installs；Being additionally provided with one second eccentric through-hole on column structure 4, the second eccentric through-hole runs through whole column structure 4；Preferably, the offset of the second eccentric through-hole and the bias two of the first eccentric through-hole are identical。
Column structure 4 is installed in the first eccentric through-hole, and the T-shaped round platform 3 being provided with column structure 4 is co-mounted to install in through hole, and makes small column part be positioned at installation through hole, and the lower surface of big column part is pressed on the upper surface of part 1 to be installed。And, small column part with install between through hole, be small-gap suture between column structure 4 and the first eccentric through-hole and coordinate。
Pivot pin screw 5 is made up of head of screw, cylindrical section and thread segment order；Wherein, the external diameter of head of screw is more than the external diameter of cylindrical section, and the external diameter of cylindrical section is more than the external diameter of thread segment；The external diameter of cylindrical section and the aperture of the second eccentric through-hole are identical, in order to coordinate and install；Thread segment also matches with screwed hole。When installation, turning T-type round platform 3 and column structure 4 respectively so that the second eccentric through-hole is coaxial with screwed hole, pivot pin screw 5 is after the second eccentric through-hole, in thread segment precession screwed hole, coordinates for small-gap suture between cylindrical section and the second eccentric through-hole。
The adjustable gapless installing mechanism in this position, hole also includes spring washer 6 and flat shim 7, spring washer 6 and flat shim 7 order are set on the cylindrical section of pivot pin screw, and pivot pin screw 5 is screwed in the screwed hole of base element 2 after sequentially passing through spring washer 6, flat shim the 7, second eccentric through-hole；Wherein, spring washer 6 can be selected for standard component；Flat shim 7 can be selected for annular plate-like structural member, for adopting matched in clearance between endoporus and the pivot pin screw 5 cylindrical section external diameter of flat shim 7, it is preferred that the external diameter of flat shim 7 is identical with the external diameter of the big column part of T-shaped round platform 3。In the present embodiment, the length of the cylindrical section of pivot pin screw 5 is less than or equal to the summation of the length of T-shaped round platform, spring washer 6 thickness and flat shim 7 thickness。
Present invention also offers position, a kind of hole adjustable the installation method of gapless installing mechanism, adopt position, hole as above adjustable gapless installing mechanism, installation steps include:
A, column structure is installed in the first eccentric through-hole of T-shaped round platform, and makes the eccentric direction of the second eccentric through-hole on column structure and the first bias make eccentric direction consistent, then put in entirety in the installation through hole of part to be installed；
The T-shaped round platform of b, unitary rotation and column structure, until the screwed hole on the second fully aligned base element of eccentric through-hole on column structure；
C, last, pivot pin screw is sequentially passed through spring washer, flat shim and the second eccentric through-hole and is screwed in screwed hole and fastens。
The adjustable gapless installing mechanism in position, hole provided by the invention and installation method, structurally simple and reliable, can facilitate, adjust the axiality installing through hole with screwed hole in high precision, continuously, the obvious gap installed between through hole and screw can be eliminated again, strengthen the mechanical performance of junction, it is ensured that stablizing of part relative position relation。
With reference to Fig. 2, below the operation principle of the present invention is described further:
The center of circle be O fixing circle in comprise in one circle, the center of circle is A, and line segment OA length is definite value e；Middle circle comprises a roundlet, and the center of circle is B, and line segment AB and line segment OA is isometric and length is constant。Line segment OA arbitrarily can rotate around O point, and line segment AB also arbitrarily can rotate around A point simultaneously。Obviously, line segment AB and AO can overlap, and now B point overlaps with O point；When the extended line of AB and OA overlaps, OB length is maximum, and for 2e, and all B points making OB value be 2e form a full circle；And when OB length be positioned at (0,2e) interior time, line segment OA, line segment AB and line segment OB can form equilateral triangle。In sum, by rationally rotating line segment OA and line segment AB, can make B point be in O point be the center of circle, optional position in the circle of radius 2e。
If the middle circle of to be the fixing circle of O, the center of circle be in center of circle A is regarded as external cylindrical surface and the inner hole surface of T-shaped round platform small column part, the roundlet of to be the middle circle of A, the center of circle be in the center of circle simultaneously B regards external cylindrical surface and the inner hole surface of column structure as；Then column structure embeds and is installed on T-shaped round platform, rotating cylindrical structure and T-shaped round platform, and the endoporus of column structure can be made to adjust motion relative to the cylindrical of T-shaped round platform, adjusting range be with fixing point O be the center of circle, radius be 2e border circular areas。
Below the present invention is applied in the installation of concrete part, is further described:
The adjustable gapless mounting structure in position, hole, including part to be installed, base element, T-shaped round platform, column structure, pivot pin screw, spring washer and flat shim；
Wherein, the installing hole on part to be installed isThrough hole, installation place thickness is 8mm；
Connecting hole on base element is the screwed hole of M6-6H, and screw thread is not less than 16mm deeply, there is eccentric throw 0.4mm during installation between the installing hole of part 1 to be installed and the screwed hole of base element 2；
The external diameter of the small column part of T-shaped round platform isThis segment length is 8mm；The external diameter of big column part isThis segment length is 4mm；The diameter of the first eccentric through-hole isThe axis of the first eccentric through-hole is 0.5mm relative to the offset of the axis of small column part；
The outside diameter of column structure isOverall length is 11.8mm, and the diameter of the second eccentric through-hole isSecond eccentric through-hole is 0.5mm relative to the offset of the axis of column structure；
The cylindrical section external diameter of pivot pin screw isThis segment length 17mm；The screw thread of thread segment is M6-6g, and length is 15mm；Spring washer 6 is conformance with standard QJ2963.2, specification is the standard component of 8；The diameter of bore of flat shim 7 isOutside diameter isThickness is 3mm。
Those skilled in the art should be understood that the present invention can be implemented without departing from the spirit or scope of itself with other concrete forms many。Although having been described for the case study on implementation of the present invention, it should be understood that the present invention should not be limited to these embodiments, those skilled in the art can change and modifications as made within the spirit and scope of the present invention that appended claims defines。
Claims (10)
1. the adjustable gapless installing mechanism in position, a hole, for a part to be installed is installed to a base element, described part to be installed is provided with installation through hole, described base element is provided with screwed hole, it is characterized in that, the adjustable gapless installing mechanism in position, described hole includes:
T-shaped round platform, is made up of big column part and small column part, and the external diameter of described small column part is identical with the aperture of described installation through hole；Described T-shaped round platform is additionally provided with the first eccentric through-hole；
Column structure, its external diameter is identical with the external diameter of described first eccentric through-hole；Described column structure is additionally provided with the second eccentric through-hole；
Pivot pin screw, is made up of head of screw, cylindrical section and thread segment order；Described cylindrical section external diameter is less than the external diameter of described head of screw, and identical with the aperture of described second eccentric through-hole；The diameter of described thread segment is less than the diameter of described cylindrical section, and described thread segment and described screwed hole match；
Described column structure is arranged in described first eccentric through-hole, and the small column part of described T-shaped round platform is installed in described installation through hole；After described pivot pin screw described second eccentric through-hole of traverse in screwed hole described in precession, described cylindrical section is positioned at described second eccentric through-hole, and described thread segment and described screwed hole are connected。
2. the adjustable gapless installing mechanism in position, hole according to claim 1, it is characterised in that described installation through hole and described screwed hole are each perpendicular to the installation linkage interface of described part to be installed and base element。
3. the adjustable gapless installing mechanism in position, hole according to claim 1, it is characterized in that, between described small column part with described installation through hole, between described column structure and described first eccentric through-hole, coordinate for small-gap suture between described cylindrical section and described second eccentric through-hole。
4. the adjustable gapless installing mechanism in position, hole according to claim 1, it is characterised in that the length of described small column part is identical with the length of described installation through hole。
5. the adjustable gapless installing mechanism in position, hole according to claim 1, it is characterised in that the length of described column structure is less than or equal to the length of described T-shaped round platform。
6. the adjustable gapless installing mechanism in position, hole according to claim 1, it is characterized in that, also include spring washer, flat shim, described spring washer and flat shim order to be set on described cylindrical section, and be pressed between the upper surface of described head of screw lower surface and described T-shaped round platform。
7. the adjustable gapless installing mechanism in position, hole according to claim 6, it is characterised in that the length of described cylindrical section is less than or equal to the summation of the thickness of the length of described T-shaped round platform, the thickness of described spring washer and described flat shim。
8. the adjustable gapless installing mechanism in position, hole according to claim 6, it is characterised in that coordinating between the inner ring of described flat shim and described cylindrical section is matched in clearance, the external diameter of described flat shim is identical with the external diameter of described big column part。
9. the adjustable gapless installing mechanism in position, hole according to claim 6, it is characterised in that on described T-shaped round platform, the offset of the first eccentric through-hole is identical with the offset of the second eccentric through-hole on described column structure。
10. position, a hole adjustable the installation method of gapless installing mechanism, it is characterised in that adopt in claim 1-9 the position, hole described in any one adjustable gapless installing mechanism, installation steps include:
A, column structure is installed in the first eccentric through-hole of T-shaped round platform, and makes the eccentric direction of the second eccentric through-hole on column structure and the first bias make eccentric direction consistent, then put in entirety in the installation through hole of part to be installed；
The T-shaped round platform of b, unitary rotation and column structure, until the screwed hole on the second fully aligned base element of eccentric through-hole on column structure；
C, last, pivot pin screw is sequentially passed through spring washer, flat shim and the second eccentric through-hole and is screwed in screwed hole and fastens。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610168439.4A CN105697502A (en) | 2016-03-23 | 2016-03-23 | Clearance-free mounting mechanism with adjustable hole site and mounting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610168439.4A CN105697502A (en) | 2016-03-23 | 2016-03-23 | Clearance-free mounting mechanism with adjustable hole site and mounting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105697502A true CN105697502A (en) | 2016-06-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610168439.4A Pending CN105697502A (en) | 2016-03-23 | 2016-03-23 | Clearance-free mounting mechanism with adjustable hole site and mounting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105697502A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113790203A (en) * | 2021-09-08 | 2021-12-14 | 海盐远洋标准件有限公司 | Eccentricity-adjustable eccentric bolt for automobile engine |
| WO2022051877A1 (en) * | 2020-09-11 | 2022-03-17 | 苏犁 | Bolt pair capable of ajdusting hole position deviation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4309123A (en) * | 1979-10-26 | 1982-01-05 | Rajac Corporation | Method and apparatus for fastening misaligned structural members |
| CN1451355A (en) * | 2002-04-16 | 2003-10-29 | Ge医疗系统环球技术有限公司 | Locator and picture diagnosis apparatus |
| CN202001470U (en) * | 2011-03-15 | 2011-10-05 | 成都飞机设计研究所 | Stepped double eccentric bolt assembly |
| CN204381427U (en) * | 2015-01-12 | 2015-06-10 | 西华大学 | PCB numerical control drilling machine Z axis Connection Block |
| CN204947303U (en) * | 2015-08-07 | 2016-01-06 | 江苏常诚汽车部件有限公司 | A kind of wire harness feed clamp |
-
2016
- 2016-03-23 CN CN201610168439.4A patent/CN105697502A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4309123A (en) * | 1979-10-26 | 1982-01-05 | Rajac Corporation | Method and apparatus for fastening misaligned structural members |
| CN1451355A (en) * | 2002-04-16 | 2003-10-29 | Ge医疗系统环球技术有限公司 | Locator and picture diagnosis apparatus |
| CN202001470U (en) * | 2011-03-15 | 2011-10-05 | 成都飞机设计研究所 | Stepped double eccentric bolt assembly |
| CN204381427U (en) * | 2015-01-12 | 2015-06-10 | 西华大学 | PCB numerical control drilling machine Z axis Connection Block |
| CN204947303U (en) * | 2015-08-07 | 2016-01-06 | 江苏常诚汽车部件有限公司 | A kind of wire harness feed clamp |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022051877A1 (en) * | 2020-09-11 | 2022-03-17 | 苏犁 | Bolt pair capable of ajdusting hole position deviation |
| CN113790203A (en) * | 2021-09-08 | 2021-12-14 | 海盐远洋标准件有限公司 | Eccentricity-adjustable eccentric bolt for automobile engine |
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Application publication date: 20160622 |
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