CN102052376A - Fixed bolt - Google Patents
Fixed bolt Download PDFInfo
- Publication number
- CN102052376A CN102052376A CN2009102074070A CN200910207407A CN102052376A CN 102052376 A CN102052376 A CN 102052376A CN 2009102074070 A CN2009102074070 A CN 2009102074070A CN 200910207407 A CN200910207407 A CN 200910207407A CN 102052376 A CN102052376 A CN 102052376A
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- Prior art keywords
- butt joint
- groove
- sleeve pipe
- joint sleeve
- fixing
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Abstract
The invention discloses a fixed bolt which comprises a butt joint sleeve, a pulling cover, an elastic element and a clamping element, wherein the butt joint sleeve at one side of a sleeve body extends to form a fixed part; the interior of a sleeve body is provided with a through groove, an opening and a through hole, and the opening and the through hole are arranged at two sides of the through groove; the inner side wall of the through groove is annularly provided with a positioning part; the outer side of the opening of the butt joint sleeve is provided with the cover body of the pulling cover; the elastic element is arranged in the through groove of the butt joint sleeve; the clamping element is provided with a rod body one side of which is sleeved with the elastic element and then is fixedly connected with the pulling cover; the other side of the rod body extends to form a fixed head pushed and propped by the elastic element; the side wall, which is close to the propping surface, of the fixed head is annularly provided with a propping part, so that the butt joint sleeve is installed on a preinstalled first plate body, and after the fixed head of the clamping element is inserted and fixed in a plurality of clamping holes on a preinstalled second plate body so as to achieve positioning, if the pulling cover is pulled to drive the fixed head of the clamping element to extrude the elastic element, the positioning can be achieved by the fixed head through utilizing the propping part and the positioning part of the through groove of the butt joint sleeve, thus the pulling cover is convenient to disassemble and assemble without continuous application of force.
Description
Technical field
The present invention relates to a kind of fastener, be particularly related to a kind of fixing bolt, when You Zhila covers stressed drive fixing element displacement and compression elastic element, fix positioning part that element can utilize the fixing head outer side wall and dock the positioning part formation that inside pipe casing runs through groove and locate, external force need be continuously applied owing to fix element, and the dismounting operation can be conveniently carried out.
Background technique
There are being many products all can use screw at present or latch is located, as drawer, the product of telescopic construction such as machine plate group, for utilizing latch or latch by slide rail, chute forms the location when moving to special position, the user just can carry out operation under the state that slide rail and chute do not move, as desktop computer, notebook computer, industrial computer, work board etc. utilizes plural device, the equipment of formation that mechanism assembles, then can utilize screw or latch under stacked state, to form the location by plate and plate, allow the plate of a movable dismounting is set on the enclosure location, or allow plural device, mechanism can make things convenient for assembling relatively or dismounting.
Yet, general screw, latch can allow the user produce injured situation touching unintentionally except tip and screw thread, and at each device, when mechanism or sheet material dismounting, need again screw or latch integral body are separated, just often run into the problem that screw or latch are lost in the use, and the user is not if have standby screw, latch, just can't assemble, also can be because of being placed on same position after numerous screws or latch dismounting, and can't find corresponding screw or latch to assemble fixing problem smoothly, and screw or latch need tool using again mostly when dismounting, pattern difference along with screw or latch, the user just need be ready for many instruments, just do not have can't dismounting situation produce, the constantly generation on reality is used because of the problems referred to above and disappearance causes sheet material utilizing screw or latch to make to produce on the stacked location extremely inconvenient disappearance.
Therefore, how to solve existing disappearance, be the direction place of being engaged in this journey improvement that the dealer desires most ardently with not enough.
Summary of the invention
At the deficiencies in the prior art, the objective of the invention is to: a kind of fixing bolt is provided, solve that existing product exists allow easily the user touch unintentionally produce injured, lose easily and need problem such as tool using dismounting.
For achieving the above object, the technical solution used in the present invention is:
A kind of fixing bolt, You Zhike are installed on default each open-work of first plate body for its bolt that is positioned plural clamping hole on default second plate body, it is characterized in that: comprise butt joint sleeve pipe, La Gai, elastic element and fix element, wherein:
Described butt joint sleeve pipe is extended with the fixing part that is installed in the default first plate body open-work in body one side, body inside then is provided with runs through groove, this runs through groove and is respectively equipped with away from fixing part one side and opposite side and is communicated with outside having less width opening and have big width perforation, is equipped with the positioning part running through the groove interior sidewall surface again;
Described drawing is covered with and can docks the lid that overlaps pipe open outer side end face and overlap external diameter of pipe greater than butt joint to pasting;
Described elastic element is installed in butt joint the running through in the groove of sleeve pipe, and elastic element one end supports and running through groove adjacent openings place;
Described fixing element is provided with to be positioned at and runs through groove and can be fixed in the body of rod that draws lid for the postpone of elasticity element housing, the body of rod draw the opposite side of lid then to extend relatively to be subjected to the elastic element the other end promote to stretch out the butt joint cased perforated outer with insert solid on default second plate body fixing head of clamping hole, and be provided with the resisting part that moving card is against butt joint sleeve pipe positioning part at the side wall ring of the contiguous supporting surface of fixing head, make and drive to fix element after drawing the stressed displacement of lid, and when elastic element is fixed the fixing head extruding generation resiliently deformable of element, the resisting part that fixing head is utilized outer periphery with dock the positioning part that inside pipe casing runs through groove and form the location, rely on and draw Gai Buxu to continue the application of force, to reach the effect of conveniently carrying out dismounting.
Wherein: the external diameter of described fixing head is greater than the opening internal diameter and less than running through the groove internal diameter.
Wherein: described butt joint sleeve pipe draws the plane of inclination of covering convergent at outer side wall near drawing the place of lid to be provided with court, and the contiguous butt joint of lid sleeve pipe one side outer periphery are provided with towards the force section of butt joint sleeve pipe convergent.
Wherein: the fixing part of described butt joint sleeve pipe is equipped with plural fixing determining at the outer side wall of contiguous body.
Wherein: described butt joint sleeve pipe is provided with the pushing and pressing face that supports for elasticity element one end running through groove and opening adjacent.
Wherein: the positioning part of described butt joint sleeve pipe is an annular recess, and the resisting part that fixes element is to be equiped with the ring body that can form the location after outer the drawing with the positioning part in the groove, and this ring body is rubber ring, annulus plastic cement pad or metal C type ring.
Wherein: the positioning part of described butt joint sleeve pipe is an internal thread, and the resisting part that fixes element for draw outward and turn after the outside thread of the location of corresponding formation with the positioning part.
Wherein: the described lid that draws lid the side wall centers of contiguous butt joint sleeve pipe be extended with can by the butt joint ferrule openings stretch into or withdraw from run through groove to extension bar, and the body of rod vicinity that fixes element draws the end face of lid to be concaved with for it extension bar is inserted solid docking groove.
Wherein: described fixing element is provided with the supporting surface for the pushing and pressing of the elasticity element the other end at fixing head connecting-rod body place.
Compared with prior art, the beneficial effect that the present invention has is: draw when lid is stressed to be pulled away from the butt joint sleeve pipe, draw lid to drive and fix element and make its fixing head compression elastic element, and the resisting part that makes fixing head with dock the positioning part that inside pipe casing runs through groove and form the location, the then default first plate body desire is fixed on default second plate body by fixing bolt, or when desiring to dismantle after fixing, the user just need not continue the application of force and cover drawing, convenience in the time of can promoting fixing bolt and load and unload more can reach and avoid tool using and prevent the purpose that default first plate body drops and damages.
Description of drawings
Fig. 1 is the stereo appearance figure of preferred embodiment of the present invention;
Fig. 2 is the three-dimensional exploded view of preferred embodiment of the present invention;
Fig. 3 is the side cutaway view of preferred embodiment of the present invention;
Fig. 4 is the side cutaway view after the present invention locatees;
Fig. 5 is the stereo appearance figure after the present invention locatees;
Fig. 6 is the side cutaway view of the present invention when breaking away from;
Fig. 7 is the side cutaway view of another embodiment of the present invention.
Description of reference numerals: 1-docks sleeve pipe; The 11-body; 132-pushes against face; The 111-plane of inclination; The 133-perforation; The 12-fixing part; The 14-positioning part; The 121-fixed block; The 141-groove; 13-runs through groove; The 142-internal thread; The 131-opening; 2-draws lid; The 21-lid; 22-is to extension bar; The 211-force section; The 3-elastic element; 4-fixes element; The 41-body of rod; The 43-resisting part; The 411-docking groove; The 431-groove; The 42-fixing head; The 432-ring body; The 421-supporting surface; The 433-outside thread; 5-first plate body; The 51-open-work; 6-second plate body; The 61-clamping hole.
Embodiment
For reaching above-mentioned purpose and effect, the technology used in the present invention means and structure thereof, drawing now illustrates in detail that with regard to preferred embodiment of the present invention its feature and function are as follows, are beneficial to understand fully.
Seeing also Fig. 1, Fig. 2, shown in Figure 3, is stereo appearance figure, three-dimensional exploded view and the side cutaway view of preferred embodiment of the present invention, finds out by knowing among the figure, it comprises butt joint sleeve pipe 1, draw cover 2, elastic element 3 and fixing element 4, wherein:
Described butt joint sleeve pipe 1 is to be extended with fixing part 12 in body 11 1 sides, and the outer side wall of fixing part 12 contiguous bodys 11 is equipped with plural fixed block 121, body 11 inside then are provided with runs through groove 13, this runs through groove 13 and is provided with the opening 131 that is communicated with the outside and has less width away from fixing part 12 1 sides, and be provided with pushing and pressing face 132 with opening 131 adjacents running through groove 13, run through groove 13 contiguous fixing parts 12 places and then be provided with the perforation 133 that is communicated with outside and the big width of tool, be equipped with positioning part 14 running through groove 13 interior sidewall surface again, its positioning part 14 can be annular recess 141, ring-type projection or plural projection.
Described drawing covered 2 and is provided with greater than butt joint sleeve pipe 1 external diameter and can supports the lid 21 of the nearly opening of close neighbour 131 side end faces, the contiguous butt joint of lid 21 sleeve pipes 1 one side outer periphery are provided with towards the force section 211 of butt joint sleeve pipe 1 convergent, and the side wall centers of lid 21 contiguous butt joint sleeve pipes 1 be extended with can by opening 131 stretch into or withdraw from run through groove 13 to extension bar 22.
Described elastic element 3 is penetrated by 1 perforation 133 of butt joint sleeve pipe and runs through in the groove 13, and elastic element 3 one ends support the pushing and pressing face 132 at butt joint sleeve pipe 1.
Described fixing element 4 is provided with to be penetrated by butt joint sleeve pipe 1 perforation 133 and runs through in the groove 13 and can stretch out the outside body of rod 41 through opening 131, the body of rod 41 is contiguous to be drawn and cover 2 end face and be concaved with for this extension bar 22 slotting solid docking grooves 411, the body of rod 41 then extends with respect to the opposite side of docking groove 411 to have greater than opening 131 internal diameters but less than the fixing head 42 that runs through groove 13 internal diameters, and fixing head 42 connecting-rod bodies 41 places are provided with for the pushing and pressing of elasticity element 3 the other ends and allow fixing head 42 stretch out the supporting surface 421 of butt joint sleeve pipe 1 perforation 133 outsides, and be provided with the resisting part 43 that moving card is against butt joint sleeve pipe 1 positioning part 14 at the side wall ring of the contiguous supporting surfaces 421 of fixing head 42, its resisting part 43 can be and is equiped with ring body 432 in the groove 431, and its ring body 432 can be rubber ring, annulus plastic cement pad or metal C type ring etc.
See also Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, it is the three-dimensional exploded view of preferred embodiment of the present invention, side cutaway view, side cutaway view behind the location and stereo appearance figure, when above-mentioned member uses in assembling, be to dock sleeve pipe 1 earlier, draw and cover 2, elastic element 3 and 4 assemblings of fixing element, penetrate the open-work 51 of default first plate body 5 again with the fixing part 12 of butt joint sleeve pipe 1, and fix in open-work 51 with the plural fixed block 121 of fixing part 12, at this moment, just can abut against at default second plate body 6 presetting first plate body 5, make the fixing head 42 that fixes element 4 align the clamping hole 61 that stretches into default second plate body 6, because default first plate body 5 is provided with plural open-work 51, and also be provided with the plural clamping hole 61 of positive relatively plural open-work 51 on default second plate body 6, just can on default first plate body 5, be installed with butt joint sleeve pipe 1 respectively by plural open-work 51, rely on fixing element 4 to allow default first plate body 5 directly be fixed on default second plate body 6 again.
See also Fig. 2, Fig. 3, Fig. 4, shown in Figure 6, it is the three-dimensional exploded view of preferred embodiment of the present invention, side cutaway view, side cutaway view when side cutaway view behind the location and disengaging, described default first plate body 5 will break away from when presetting second plate body 6, then touch drawing and cover 2 force sections 211 with hand, and the application of force will be drawn and be covered 2 and be pulled away from butt joint sleeve pipe 1 opening 131, draw and cover 2 and just can drive and fix element 4 its body of rod 41 tool docking grooves 411 1 sides are extend out to outside the opening 131, and the fixing head 42 of the body of rod 41 opposite sides just can be left the clamping hole 61 of default second plate body 6, cover 2 and continue to detach when drawing, the ring body 432 that fixes element 4 resisting parts 43 just can with run through groove 13 interior sidewall surface and support the generation resiliently deformable, when resisting part 43 contact butt joint sleeve pipes 1 run through positioning part 14 in the groove 13, just can allow ring body 432 elastic resets of installing on resisting part 43 grooves 431 snap in the groove 141 of positioning part 14, fix element 4 formation location under the state that breaks away from default second plate body, 6 clamping holes 61 and allow, because when fixing element 4 displacements, the supporting surface 421 of fixing head 42 just can push elastic element 3 and produce resiliently deformable, if the application of force is interrupted, the elastic restoring force of elastic element 3 just can promote to fix element 4 and return back in the clamping hole 61 that stretches into default second plate body 6, yet, rely on the positioning part 14 of butt joint sleeve pipe 1 to fasten the formation location relatively for the resisting part 43 that fixes element 4, just can allow draw and cover certain formation location, clamping hole 61 backs that 2 drive fixing elements 4 break away from default second plate body 6, then the user just can utilize singlehanded default first plate body 5 that supports, with the another hand plural fixing bolt on default first plate body 5 is broken away from default second plate body, 6 operations in regular turn again, just can solve one hand can't allow all fixing bolts break away from the problem of default second plate body 6 simultaneously, and do not need tool using, after also can avoiding allowing all fixing bolts break away from default second plate body 6 by both hands, default first plate body 5 directly drops and produces the disappearance of damage.
In addition, when default first plate body 5 will be fixed on default second plate body 6 once more, then after the plural open-work 51 of default first plate body 5 aligns the plural clamping hole 61 of default second plate body 6 mutually, promote again to draw and cover 2 towards 1 displacement of butt joint sleeve pipe, the ring body 432 that then fixes element 4 resisting parts 43 just can leave the groove 141 of butt joint sleeve pipe 1 positioning part 14, and compress and run through groove 13 sidewalls and produce resiliently deformable, at this moment, originally extruded elastic element 3 just can utilize elastic restoring force to promote to fix element 4, the fixing head 42 that fixes element 4 is fixed in the clamping hole 61 of default second plate body 6, just can allow default first plate body 5 be positioned once more on default second plate body 6 with presetting in the plural clamping hole 61 that plural fixing bolt on first plate body 5 is separately fixed at default second plate body 6 in the above described manner.
See also Fig. 3, Fig. 6, shown in Figure 7, it is the side cutaway view of preferred embodiment of the present invention, side cutaway view during disengaging and another embodiment's side cutaway view, find out by knowing among the figure, described butt joint sleeve pipe 1 is positioned at the positioning part 14 of running through groove 13 madial walls and can be internal thread 142, and internal thread 142 is positioned at and runs through groove 13 contiguous perforation 133 places, and 43 of the resisting parts that fixing element 4 is positioned at fixing head 42 can be outside thread 433, and make perforation 133 internal diameters that dock sleeve pipe 1 greater than the external diameter that fixes element 4 outside threads 433, then draw when covering 2 when user's application of force, with driving fixing element 4 synchronous shift outside thread 433 is supported at the internal thread 142 that docks sleeve pipe 1, turn was drawn and cover 2 and the outside thread 433 that fixes element 4 is fixed relatively form at internal thread 142 and locate again this moment, to stretch out the perforation 133 of butt joint sleeve pipe 1 once more when outer and fix element 4, then oppositely turn is drawn and cover 2 and make the outside thread 433 that fixes element 4 break away from the internal thread 142 that docks sleeve pipes 1, and elastic element 3 just can promote to fix element 4 stretches out its fixing head 42.
Because fixing fixing head 42 ends of element 4 does not have pointed, and fixing head 42 ends that stretch out in butt joint sleeve pipe 1 outside do not have screw thread yet, just it is injured to prevent that the user from touching unintentionally, moreover, because of the body of rod 41 that fixes element 4 covers 2 lid 21 for being fixed in to draw, after making that butt joint sleeve pipe 1 is installed in default first plate body 5, fix element 4 losss that can not come off, more need not expend time at the corresponding fixing bolt of searching.
In addition, butt joint sleeve pipe 1 can cover 2 places and is provided with court and draws the plane of inclination 111 of covering 2 convergents near drawing at outer side wall, then cover 2 when being attached to butt joint sleeve pipe 1 when drawing, draw and cover 2 force sections 211 and just can produce one between sleeve pipe 1 plane of inclination 111 and be available for users to hand and abut against smoothly to draw and cover 2 and carry out the space of the application of force with docking, and then can allow the user cover being pulled away from 2 o'clock, have the advantage that makes things convenient for the application of force.
So; the present invention is for being primarily aimed at fixing bolt; cover 2 and the installing of butt joint sleeve pipe 1 opening 131 sides can be drawn; and butt joint sleeve pipe 1 perforation 133 sides be equiped with stretch into the fixing element 4 that runs through in the groove 13 and the body of rod 41 thereof sheathed elastic element 3; 41 of the bodies of rod with draw cover 2 affixed; and run through groove 13 madial walls and fix element 4 opposite side fixing head 42 outer side walls at butt joint sleeve pipe 1 and be respectively equipped with positioning part 14; resisting part 43; make to draw and cover 2 and drive to fix element 4 displacements and behind the compression elastic element 3; can utilize positioning part 14 and resisting part 43 relative formation location; to promote the convenience of carrying out separating operation after fixing bolt is fixed is main key protection point; yet; more than explanation is just illustrative for the purpose of the present invention; and it is nonrestrictive; those of ordinary skills understand; under the situation of the spirit and scope that do not break away from claim and limited, can make many modifications; change or equivalence, but all will fall within protection scope of the present invention.
Claims (9)
1. fixing bolt, You Zhike are installed on default each open-work of first plate body for its bolt that is positioned plural clamping hole on default second plate body, it is characterized in that: comprise butt joint sleeve pipe, La Gai, elastic element and fix element, wherein:
Described butt joint sleeve pipe is extended with the fixing part that is installed in the default first plate body open-work in body one side, body inside then is provided with runs through groove, this runs through groove and is respectively equipped with away from fixing part one side and opposite side and is communicated with outside having less width opening and have big width perforation, is equipped with the positioning part running through the groove interior sidewall surface again;
Described drawing is covered with and can docks the lid that overlaps pipe open outer side end face and overlap external diameter of pipe greater than butt joint to pasting;
Described elastic element is installed in butt joint the running through in the groove of sleeve pipe, and elastic element one end supports and running through groove adjacent openings place;
Described fixing element is provided with to be positioned at and runs through groove and can be fixed in the body of rod that draws lid for the postpone of elasticity element housing, the body of rod draw the opposite side of lid then to extend relatively to be subjected to the elastic element the other end promote to stretch out the butt joint cased perforated outer with insert solid on default second plate body fixing head of clamping hole, and be provided with the resisting part that moving card is against butt joint sleeve pipe positioning part at the side wall ring of the contiguous supporting surface of fixing head, make and drive to fix element after drawing the stressed displacement of lid, and when the fixing head extruding that elastic element is fixed element produces resiliently deformable, the resisting part that fixing head is utilized outer periphery with dock the positioning part formation that inside pipe casing runs through groove and locatees.
2. fixing bolt according to claim 1 is characterized in that: the external diameter of described fixing head is greater than the opening internal diameter and less than running through the groove internal diameter.
3. fixing bolt according to claim 1 is characterized in that: described butt joint sleeve pipe draws the plane of inclination of covering convergent at outer side wall near drawing the place of lid to be provided with court, and the contiguous butt joint of lid sleeve pipe one side outer periphery are provided with towards the force section of butt joint sleeve pipe convergent.
4. fixing bolt according to claim 1 is characterized in that: the fixing part of described butt joint sleeve pipe is equipped with plural fixed block at the outer side wall of contiguous body.
5. fixing bolt according to claim 1 is characterized in that: described butt joint sleeve pipe is provided with the pushing and pressing face that supports for elasticity element one end running through groove and opening adjacent.
6. fixing bolt according to claim 1, it is characterized in that: the positioning part of described butt joint sleeve pipe is an annular recess, and the resisting part that fixes element is can form the ring body of locating with the positioning part after being equiped with outer drawing in the groove, and this ring body is rubber ring, annulus plastic cement pad or metal C type ring.
7. fixing bolt according to claim 1 is characterized in that: the positioning part of described butt joint sleeve pipe is an internal thread, and the resisting part that fixes element for draw outward and turn after the outside thread of the location of corresponding formation with the positioning part.
8. fixing bolt according to claim 1, it is characterized in that: the described lid that draws lid the side wall centers of contiguous butt joint sleeve pipe be extended with can by the butt joint ferrule openings stretch into or withdraw from run through groove to extension bar, and the body of rod vicinity that fixes element draws the end face of lid to be concaved with for it extension bar is inserted solid docking groove.
9. fixing bolt according to claim 1 is characterized in that: described fixing element is provided with the supporting surface for the pushing and pressing of the elasticity element the other end at fixing head connecting-rod body place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102074070A CN102052376B (en) | 2009-10-30 | 2009-10-30 | Fixed bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102074070A CN102052376B (en) | 2009-10-30 | 2009-10-30 | Fixed bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102052376A true CN102052376A (en) | 2011-05-11 |
| CN102052376B CN102052376B (en) | 2012-05-30 |
Family
ID=43957016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102074070A Expired - Fee Related CN102052376B (en) | 2009-10-30 | 2009-10-30 | Fixed bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102052376B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006047A (en) * | 2013-02-27 | 2014-08-27 | 恒昌行精密工业有限公司 | Fixing device |
| CN104373441A (en) * | 2014-10-08 | 2015-02-25 | 王波 | Rubber head screw |
| CN105299004A (en) * | 2014-06-13 | 2016-02-03 | 恒昌行精密工业有限公司 | Rotary fixing device |
| CN109667886A (en) * | 2019-01-10 | 2019-04-23 | 南通拓新自动化设备科技有限公司 | A kind of fast joint structure of modular plastic foraminous conveyer |
| CN111376039A (en) * | 2020-04-09 | 2020-07-07 | 云南电网有限责任公司电力科学研究院 | Bolt fastening device for vibration damper |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6039469Y2 (en) * | 1976-04-23 | 1985-11-26 | 日産自動車株式会社 | carburetor idle adjustment device |
-
2009
- 2009-10-30 CN CN2009102074070A patent/CN102052376B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006047A (en) * | 2013-02-27 | 2014-08-27 | 恒昌行精密工业有限公司 | Fixing device |
| CN104006047B (en) * | 2013-02-27 | 2016-08-17 | 恒昌行精密工业有限公司 | Fixing device |
| CN105299004A (en) * | 2014-06-13 | 2016-02-03 | 恒昌行精密工业有限公司 | Rotary fixing device |
| CN104373441A (en) * | 2014-10-08 | 2015-02-25 | 王波 | Rubber head screw |
| CN109667886A (en) * | 2019-01-10 | 2019-04-23 | 南通拓新自动化设备科技有限公司 | A kind of fast joint structure of modular plastic foraminous conveyer |
| CN111376039A (en) * | 2020-04-09 | 2020-07-07 | 云南电网有限责任公司电力科学研究院 | Bolt fastening device for vibration damper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102052376B (en) | 2012-05-30 |
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