CN100462574C - Dedicate wrench for disassembling fastener and wrench thereof - Google Patents
Dedicate wrench for disassembling fastener and wrench thereof Download PDFInfo
- Publication number
- CN100462574C CN100462574C CNB2006100981050A CN200610098105A CN100462574C CN 100462574 C CN100462574 C CN 100462574C CN B2006100981050 A CNB2006100981050 A CN B2006100981050A CN 200610098105 A CN200610098105 A CN 200610098105A CN 100462574 C CN100462574 C CN 100462574C
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- Prior art keywords
- bolt
- square bar
- nut
- removable fasteners
- protecting cover
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Abstract
A detachable firmware comprises a coaxily equipped protective sleeve, a protective bolt and its nut, a upper stopper, a bottom stopper, with the bolt hole corresponding to the protective bolt radial, perpendicular to the top surface of the upper stopper, a baffling edge set perpendicular to one end of the upper stopper, a side edge in semi-enclosed status set close to the baffling edge of the bottom stopper. A cavity is set for containing nuts is set at the inner side of the bottom stopper, with one side of the cavity having a placing opening, protective sleeves in barrel shape, bottoms having ducts. The protective sleeve is set on the upper end face of the upper stopper, with the protective bolt made of a bolt whose top face is fastened with a cylinder, a protective cover that is fastened and cased on the top of the cylinder with the diameter of the protective cover slightly bigger than the diagonal scale of the bolt head and the protective cover linked and mated with the bolt in motion. This device has good anti-dismantling effect but is attachable through its complement spanner. It is convenient for outdoor installation and maintenance.
Description
Technical field
The present invention relates to a kind of fastening piece that is threaded, relate in particular to a kind of removable fasteners and supporting with it special spanner.
Background technique
Outdoor equipment often fixes by fastening piece such as the installation of high voltage equipment, but this kind equipment antitheft becomes an emphasis.Routine just adopts screw bolt and nut to fix connected piece, but its anti-theft is too poor, and the people of theft only needs just can lay down with general tool; Though if adopt special anti-loosing and anti-assembling nut can play good effect to antitheft, but anti-loosing and anti-assembling nut is disposable, can not at will dismantle after promptly installing, if dismounting just must destroy nut by force, run into and need safeguard normally equipment, very inconvenient.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, a kind of dismounting simple in structure, anti-is provided, but can realize the removable fasteners dismantled by supporting with it special spanner.
For achieving the above object, the present invention adopts a kind of removable fasteners, the sheath that comprises coaxial setting, nti-removing nut bolt and nut thereof, upper stopper, following deck, the upper-end surface of upper stopper be vertically installed with one with the suitable bolt hole in nti-removing nut tightening latch footpath, one end Vertical direction of upper stopper is provided with a rib, the rib close neighbour place of following deck and upper stopper is provided with a side, form semi-closed state, following deck inboard offers the cavity of ccontaining nut, cavity one side offers places mouth, and sheath is barrel-shaped parts, and the bottom offers through hole, sheath is arranged on the upper stopper upper-end surface, the nti-removing nut bolt is by bolt, protecting cover is formed, and the upper-end surface of bolt is installed with one section cylindrical body, and the protecting cover fixed cover is located at the cylindrical body top, the external diameter of protecting cover is slightly larger than the Diagonal Dimension of bolt head, and protecting cover constitutes flexible connection with bolt and cooperates.
In order to realize that protecting cover cooperates with the flexible connection of bolt, the present invention further is set to the half-open groove that the protecting cover inboard offers annular, the cylindrical body of the bolt outside offer in the half-open groove of correspondence, in two half-open grooves formation grooves, be provided with bearing pin or spheroid, constitute above-mentioned protecting cover and cooperate with the flexible connection of bolt.
In order to improve the drain function of removable fasteners, the present invention further is set between upper blocking seat and the sheath to offer the ditch of crossing of annular in the cavity bottom of sheath for the inclined-plane cooperates, and offers an osculum and crosses the ditch and link to each other at the lowest part of sheath.
A kind of special spanner that matches with removable fasteners, comprise square bar, baffle ring, fixed cover, round nut, outer sleeve, inner sleeve, square bar is a cylindrical part, cross section, square bar upper end part is square, the end portion cross section is circular, be provided with bead between upper end part and the end portion, form the groove of annular in the end portion outside, fixed cover is movably set in the upper end part of square bar, and it is fixedly connected in it by pin, the bottom outside of fixed cover forms step, the inboard of round nut forms the shoulder rank with the step of fixed cover and cooperates, baffle ring is fixed on the outside of fixed cover, its lower end surface and round nut upper-end surface recline, inner sleeve is a cylindrical part, its upper end is inboard be set in constitute with it in the groove of square bar fixedly connected, the inner die cavity that forms of inner sleeve, die cavity upper-end inner diameter and square bar end portion match, the nose shape of the nti-removing nut bolt of die cavity inner side surface lower end shape and removable fasteners is suitable, the lower end of inner sleeve is made of the multiaspect cone, end portion at square bar is vertically arranged with the ejector pin that cooperates with the die cavity inner side surface formation roof pressure of inner sleeve, the Returnning spring relative set of ejector pin, outer sleeve is inserted in by the square bar lower end, its upper end is threaded with the round nut formation, the bigger bead diameter with square bar of the internal diameter of outer sleeve, the lower end inner side surface of outer sleeve form and adaptive polyhedral cone shaped of the multiaspect cone raw meat of inner sleeve lower end.
Consider that from improving point of view of practicability the die cavity lower end inner side surface that the present invention further is provided with inner sleeve is shaped as Hexagon.
The invention provides a kind of removable fasteners and supporting with it special spanner; by the nti-removing nut bolt on the removable fasteners and nut thereof that connected piece or cover plate or flange is fixedly connected; and protecting cover is installed in activity on the nti-removing nut bolt; reach the purpose of protection nti-removing nut bolt; and can't directly turn the nti-removing nut bolt; must rely on and the supporting special spanner of removable fasteners; rely on the inner side surface of the inner sleeve in the special spanner to cooperate with the nose shape of nti-removing nut bolt; and then the square bar on the rotation special spanner, just the nti-removing nut bolt can be disassembled.Removable fasteners of the present invention and supporting with it special spanner structure are all fairly simple, and the anti-dismounting of removable fasteners is effective, but can realize its dismounting by supporting with it special spanner, have made things convenient for the I﹠M of outdoor equipment again.
Description of drawings
Fig. 1 is embodiment of the invention removable fasteners and connected piece cooperating structure schematic representation.
Fig. 2 is an embodiment of the invention special spanner structural representation.
Fig. 3 is an embodiment of the invention inner sleeve structural representation.
Fig. 4 is the A-A sectional view of Fig. 3.
Fig. 5 is that the K of Fig. 3 is to zoomed-in view.
Fig. 6 is an embodiment of the invention square bar structural representation.
Fig. 7 is the plan view of Fig. 6.
Fig. 8 is the B-B sectional view of Fig. 6.
Embodiment
As shown in Figure 1, specific embodiments of the invention are a kind of removable fasteners, the sheath 1 that comprises coaxial setting, nti-removing nut bolt 2 and nut 3 thereof, upper stopper 4, following deck 5, the upper-end surface of upper stopper 4 be vertically installed with one with the suitable bolt hole 41 in nti-removing nut bolt 2 bars footpaths, big and the nti-removing nut bolt 2 bars footpath of the horizontal aperture of bolt hole 41, the longitudinal aperture of bolt hole 41 equals nti-removing nut bolt 2 bars footpath, one end Vertical direction of upper stopper 4 is provided with a rib 42, following deck 5 is provided with a side 51 with the rib 42 close neighbours place of upper stopper 4, form semi-closed state, offer the cavity 52 of ccontaining nut 3 in following deck 5 inboards, cavity 52 1 sides offer places mouth 53, sheath 1 is barrel-shaped parts, the bottom offers through hole 11b, and sheath 1 is arranged on upper stopper 4 upper-end surfaces, and constitutes the inclined-plane cooperation, offer the ditch 11a excessively of annular in the bottom of sheath 1, offer an osculum 12a at the lowest part of sheath 1 and link to each other with mistake ditch 11a.Nti-removing nut bolt 2 is made up of bolt 21, protecting cover 22, the upper-end surface of bolt 21 is installed with one section cylindrical body 211, protecting cover 22 fixed covers are located at cylindrical body 221 tops, the external diameter of protecting cover 22 is slightly larger than the Diagonal Dimension of bolt 21 heads, protecting cover 22 inboards offer the half-open groove of annular, cylindrical body 211 outsides of bolt 21 offer in the half-open groove of correspondence, form in the grooves 13 at two half-open grooves and to be provided with spheroid 14, constitute protecting cover 22 and cooperate with the flexible connection of bolt 21.
The special spanner that matches with the removable fasteners of specific embodiment, comprise square bar 6, baffle ring 7, fixed cover 8, round nut 9, outer sleeve 10, inner sleeve 11, square bar 6 is a cylindrical part, 61 cross sections, square bar 6 upper end parts are square, end portion 62 cross sections are circular, be provided with bead 63 between upper end part 61 and the end portion 62, form the groove 621 of annular in end portion 62 outsides, fixed cover 8 is movably set in the upper end part 61 of square bar 6, and it is fixedly connected in it by pin 12, the bottom outside of fixed cover 8 forms step 81,9 inboards of round nut form the shoulder rank with the step 81 of fixed cover 8 and cooperate, baffle ring 7 is fixed on the outside of fixed cover 8, its lower end surface and round nut 9 upper-end surfaces recline, inner sleeve 11 is a cylindrical part, its upper end is inboard be set in constitute with it in the groove 621 of square bar 6 fixedly connected, the inner sleeve 11 inner die cavities that form, die cavity upper-end inner diameter and square bar 6 end portions match, die cavity lower end inner side surface is shaped as Hexagon, suitable with head 222 shapes of the nti-removing nut bolt 2 of removable fasteners, the lower end of inner sleeve 11 is made of multiaspect cone 111, end portion at square bar 6 is vertically arranged with the ejector pin 15 that cooperates with the 11 die cavity inner side surfaces formation roof pressure of inner sleeve, Returnning spring 151 relative set of ejector pin 15, outer sleeve 12 is inserted in by square bar 6 lower ends, its upper end is threaded with round nut 9 formations, the bigger bead diameter with square bar 6 of the internal diameter of outer sleeve 12, the lower end inner side surface of outer sleeve 12 form with multiaspect cone 111 raw meats of inner sleeve 11 lower ends adaptive polyhedral cone shaped 121.
Protecting cover 22 on the removable fasteners of the present invention cooperates with the flexible connection of bolt 21, and purpose is for guaranteeing that protecting cover 22 skids on bolt 21, so not only be arranged in the groove 13 with spheroid 14, also can replacing spheroid 14 with bearing pin 14 relative set.
The die cavity lower end inner side surface shape of the inner sleeve 11 in the foregoing description and the special spanner that removable fasteners matches is to adopt Hexagon, in fact so long as polygonal can, as long as and head 222 shapes of nti-removing nut bolt 2 are suitable just can realize.
Upper stopper 4 on the removable fasteners of the present invention and following deck 5 are separately positioned on connected piece cover plate 15 and are connected the upper/lower terminal of flange 16, bolt 21 passes the bolt hole 41 on the upper stopper 4, pass connected piece cover plate 15 and the screw that is connected on the flange 16 again, put into nut 3 from the placement mouth 53 of following deck 5 simultaneously, by screwing nut 3 that bolt 21 is fixing, protecting cover 22 is installed in bolt 21 upper ends simultaneously.Because the external diameter of protecting cover 22 is slightly larger than the Diagonal Dimension of bolt 21 heads, direct swivel bolt 21 so just, as rotating protecting cover 22 with instrument, again because protecting cover 22 cooperates with the flexible connection of bolt 21, rotate protecting cover 22, also can only allow protecting cover 22 on bolt 21, skid, reach anti-effect of unloading.Have only and use the special spanner that matches with removable fasteners just can dismantle this removable fasteners, use special spanner, rotate fixed cover 8 earlier, make on the outer sleeve 12 and move, expose inner sleeve 11, inner sleeve 11 is subjected to the roof pressure power of ejector pin 15 simultaneously, inner sleeve 11 opens a little, again the lower end of inner sleeve 11 is enclosed within head 222 positions of nti-removing nut bolt 2, rotates square bar 6 at last, nti-removing nut bolt 2 can be disassembled.
Claims (5)
1. removable fasteners, it is characterized in that: removable fasteners comprises the sheath (1) of coaxial setting, nti-removing nut bolt (2) and nut (3) thereof, upper stopper (4), following deck (5), the upper-end surface of upper stopper (4) be vertically installed with one with the suitable bolt hole (41) in nti-removing nut bolt (2) bar footpath, one end Vertical direction of upper stopper (4) is provided with a rib (42), following deck (5) is provided with a side (51) with rib (42) the close neighbour place of upper stopper (4), form semi-closed state, following deck (5) inboard offers the cavity (52) of ccontaining nut (3), cavity (52) one sides of following deck offer places mouthful (53), sheath (1) is barrel-shaped parts, the bottom offers through hole (11b), sheath (1) is arranged on upper stopper (4) upper-end surface, nti-removing nut bolt (2) is by bolt (21), protecting cover (22) is formed, the upper-end surface of bolt (21) is installed with one section cylindrical body (211), protecting cover (22) fixed cover is located at cylindrical body (221) top, the external diameter of protecting cover (22) is slightly larger than the Diagonal Dimension of bolt (21) head, and protecting cover (22) constitutes flexible connection with bolt (21) and cooperates.
2. removable fasteners according to claim 1, it is characterized in that: described protecting cover (22) inboard offers the half-open groove of annular, the cylindrical body (211) of bolt (21) outside offer with protecting cover (22) inboard on the corresponding half-open groove of half-open groove, in the groove (13) that two half-open grooves form, be provided with bearing pin or spheroid (14), constitute above-mentioned protecting cover (22) and cooperate with the flexible connection of bolt (21).
3. removable fasteners according to claim 1 and 2, it is characterized in that: cooperate for the inclined-plane between described upper blocking seat (4) and the sheath (1), offer the ditch (11a) excessively of annular in the bottom of sheath (1), offer an osculum (12a) at the lowest part of sheath (1) and link to each other with mistake ditch (11a).
4. special spanner that matches with removable fasteners, it is characterized in that: special spanner comprises square bar (6), baffle ring (7), fixed cover (9), round nut (8), outer sleeve (12), inner sleeve (11), square bar (6) is a cylindrical part, cross section, square bar (6) upper end part (61) is square, end portion (62) cross section is circular, be provided with bead (63) between upper end part (61) and the end portion (62), form the groove (621) of annular in end portion (62) outside, fixed cover (9) is movably set in the upper end part (61) of square bar (6), and it is fixedly connected with it by pin (10), the bottom outside of fixed cover (9) forms step (81), (9) of round nut are inboard to be cooperated with step (81) the formation shoulder rank of fixed cover (9), baffle ring (7) is fixed on the outside of fixed cover (9), its lower end surface and round nut (8) upper-end surface reclines, inner sleeve (11) is a cylindrical part, its inboard, upper end be set in constitute with it in the groove (621) of square bar (6) fixedly connected, the inner die cavity that forms of inner sleeve (11), die cavity upper-end inner diameter and square bar (6) end portion matches, head (222) shape of the nti-removing nut bolt (2) of die cavity lower end inner side surface shape and removable fasteners is suitable, the lower end of inner sleeve (11) is made of multiaspect cone (111), end portion at square bar (6) is vertically arranged with the ejector pin (15) that cooperates with the die cavity inner side surface formation roof pressure of inner sleeve (11), Returnning spring (151) relative set of ejector pin (15), outer sleeve (12) is inserted in by square bar (6) lower end, its upper end is threaded with round nut (8) formation, the internal diameter of outer sleeve (12) is slightly larger than the bead diameter of square bar (6), and the lower end inner side surface of outer sleeve (12) forms suitable polyhedral cone shaped (121) of multiaspect cone (111) with inner sleeve (11) lower end.
5. the special spanner that matches with removable fasteners according to claim 4 is characterized in that: the die cavity lower end inner side surface of described inner sleeve (11) is shaped as Hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100981050A CN100462574C (en) | 2006-11-28 | 2006-11-28 | Dedicate wrench for disassembling fastener and wrench thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100981050A CN100462574C (en) | 2006-11-28 | 2006-11-28 | Dedicate wrench for disassembling fastener and wrench thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1963243A CN1963243A (en) | 2007-05-16 |
| CN100462574C true CN100462574C (en) | 2009-02-18 |
Family
ID=38082407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100981050A Expired - Fee Related CN100462574C (en) | 2006-11-28 | 2006-11-28 | Dedicate wrench for disassembling fastener and wrench thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100462574C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049966A (en) * | 2016-08-18 | 2016-10-26 | 国家电网公司 | Antitheft device for stay wires |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2190164A (en) * | 1986-03-15 | 1987-11-11 | Thos Johnson | Anchoring device |
| CN2110740U (en) * | 1992-01-04 | 1992-07-22 | 大庆石油管理局第七采油厂 | Special anti-theft screw bolt on transformer |
| CN2115178U (en) * | 1991-09-02 | 1992-09-09 | 巴陵石油化工公司长岭炼油化工厂 | Socket type universal wrench |
| CN1128969A (en) * | 1993-08-09 | 1996-08-14 | 克劳斯·H·恩斯特 | Process and tool for rotating connecting elements, and connecting element used therewith |
| JPH11280746A (en) * | 1998-03-30 | 1999-10-15 | Iwabuchi Corp | Removal preventive device of fastening nut |
| JPH11325033A (en) * | 1998-03-17 | 1999-11-26 | Nishiatsu:Kk | Bolt and nut unfastening operation preventing jig and bolt and nut fastening structure using the jig |
| CN2425230Y (en) * | 2000-04-17 | 2001-03-28 | 侯永生 | Anti-theft bolt with lock |
| CN2474785Y (en) * | 2000-05-18 | 2002-01-30 | 孙运国 | Antitheft bolt device and its special spanner |
| US6343904B1 (en) * | 2000-11-15 | 2002-02-05 | Hexico Enterprise Co., Ltd. | Fastener assembly for preventing corotation during tightening |
-
2006
- 2006-11-28 CN CNB2006100981050A patent/CN100462574C/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2190164A (en) * | 1986-03-15 | 1987-11-11 | Thos Johnson | Anchoring device |
| CN2115178U (en) * | 1991-09-02 | 1992-09-09 | 巴陵石油化工公司长岭炼油化工厂 | Socket type universal wrench |
| CN2110740U (en) * | 1992-01-04 | 1992-07-22 | 大庆石油管理局第七采油厂 | Special anti-theft screw bolt on transformer |
| CN1128969A (en) * | 1993-08-09 | 1996-08-14 | 克劳斯·H·恩斯特 | Process and tool for rotating connecting elements, and connecting element used therewith |
| JPH11325033A (en) * | 1998-03-17 | 1999-11-26 | Nishiatsu:Kk | Bolt and nut unfastening operation preventing jig and bolt and nut fastening structure using the jig |
| JPH11280746A (en) * | 1998-03-30 | 1999-10-15 | Iwabuchi Corp | Removal preventive device of fastening nut |
| CN2425230Y (en) * | 2000-04-17 | 2001-03-28 | 侯永生 | Anti-theft bolt with lock |
| CN2474785Y (en) * | 2000-05-18 | 2002-01-30 | 孙运国 | Antitheft bolt device and its special spanner |
| US6343904B1 (en) * | 2000-11-15 | 2002-02-05 | Hexico Enterprise Co., Ltd. | Fastener assembly for preventing corotation during tightening |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1963243A (en) | 2007-05-16 |
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| PB01 | Publication | ||
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20090218 Termination date: 20141128 |
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| EXPY | Termination of patent right or utility model |