CN204729450U - The antitheft assembly of a kind of threaded fastener totally enclosed type - Google Patents
The antitheft assembly of a kind of threaded fastener totally enclosed type Download PDFInfo
- Publication number
- CN204729450U CN204729450U CN201520458997.5U CN201520458997U CN204729450U CN 204729450 U CN204729450 U CN 204729450U CN 201520458997 U CN201520458997 U CN 201520458997U CN 204729450 U CN204729450 U CN 204729450U
- Authority
- CN
- China
- Prior art keywords
- inner sleeve
- arranges
- arm
- packing ring
- cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Clamps And Clips (AREA)
Abstract
The utility model is the antitheft assembly of a kind of threaded fastener totally enclosed type, by totally enclosed type Anti-theft cover, inner cover barrel spanner, directly pulling type extracting tool, other pull-type extracting tool composition, be characterized in: totally enclosed type Anti-theft cover it comprise the first packing ring, bolt, sealing gasket, seal washer, exterior cover pipeline, second packing ring, nut, protecting cover, inner cover cylinder, threaded fastener can either be prevented after installation stolen, the horn-like structure of its first packing ring endoporus, sealing gasket on seal washer and the first packing ring thereof can prevent again screw thread by corrosion, inner cover barrel spanner of the present utility model can be used to coordinate directly pulling type extracting tool of the present utility model or other pull-type extracting tool to dismantle simultaneously, and not damaged screw fastening piece.There is detachable, antitheft favorable rust preventing effect, practical and convenient advantage.
Description
Technical field
The utility model relates to threaded fastener, is the antitheft assembly of a kind of threaded fastener totally enclosed type.
Background technique
Along with the development of national economy, the consumption of threaded fastener gets more and more, but only have railway and automotive hub to use antitheft threaded fastener, for shaft tower, the guardrail of expressway, the machinery, motor, motor etc. of factories and miness of electric transmission line, what substantially use remains common threaded fastener, committing theft to thief brings conveniently, brings large economic loss to country and individual.Anti-theft technique in the past few decades is mainly locked and monitoring unit, the threaded fastener that few use is antitheft, the fastener of anti-loss screw of prior art mainly contains can go up can not unload and can go up and can unload two kinds, the fastener of anti-loss screw that energy can not unload is dismantled at every turn and is all needed again to change fastening piece and cause waste, the fastener of anti-loss screw anti-theft effect that energy can unload is poor, because it is the remodeling of screw bolt and nut, even through special processing, also be not stolen with the protective housing protection nut that metal is bowl-shape, but screw thread also cannot be protected not by corrosion, and screw thread is easy to corrosion or pounded reduce working life.
Summary of the invention
Technical problem to be solved in the utility model is: the shortcoming overcoming prior art, provide a kind of can either prevent threaded fastener stolen, screw thread can be protected not by the antitheft assembly of threaded fastener totally enclosed type of corrosion again, antitheft favorable rust preventing effect.
The scheme of the utility model technical solution problem is: the totally enclosed type Anti-theft cover of the antitheft assembly of a kind of threaded fastener totally enclosed type, it is characterized in that: it comprises the first packing ring, bolt, sealing gasket, seal washer, exterior cover pipeline, second packing ring, nut, protecting cover, inner cover cylinder, endoporus one end of described first packing ring is horn-like, the outside of the first packing ring, annular stopper is set with same one end of the large mouth of horn mouth, first packing ring horn mouth is upwards socketed on bolt, seal washer is socketed on bolt simultaneously, described exterior cover pipeline one end is with ring bottom seal, exterior cover pipeline is socketed on the first packing ring, and shutoff end is placed on the annular stopper of the first packing ring downwards, between the annular stopper of exterior cover pipeline and the first packing ring, sealing gasket is set, second washer outer diameter is identical with the internal diameter size of exterior cover pipeline, be placed in exterior cover pipeline and be socketed on bolt simultaneously, nut be placed in the second packing ring revolves with bolt and, described protecting cover is that external diameter is identical with exterior cover pipeline internal diameter size, one end shutoff cup-shaped, the inverted cone boss that the shutoff end arranged outside of protecting cover is fixed with one, protecting cover boss to be upwards installed in exterior cover pipeline and to be slidably connected, described inner cover cylinder external diameter is identical with exterior cover pipeline internal diameter size, inner cover cylinder one end inwardly arranges several concentric circular arc hangers along Zhou Junbu, inner cover cylinder circular arc hangers is upwards placed between the second packing ring and protecting cover, to be installed between exterior cover pipeline and nut and to be slidably connected with exterior cover pipeline.
The inner cover barrel spanner of the antitheft assembly of a kind of threaded fastener totally enclosed type, it is characterized in that: the cup shell that inner cover barrel spanner is that external diameter is identical with inner cover cylinder internal diameter size, the circular arc hangers thickness of wall thickness and inner cover cylinder is identical, the inverted cone boss that the top arranged outside of cup shell is fixed with one, one end of inner cover barrel spanner arranges the measure-alike breach of the circular arc hangers of several and inner cover cylinder along Zhou Junbu, and the link plate between adjacent two breach is fixed with one by the cup shell of link arm and inner cover barrel spanner.
The directly pulling type extracting tool of the antitheft assembly of a kind of threaded fastener totally enclosed type, it is characterized in that: it comprises body, inner sleeve, big nut, screw rod, folder lobe, transverse arm, primary nut, spring, slave arm, small rod, master arm, big connecting rod, described body is cylindrical shape, the mixed lateral column face symmetry of cylindrical body is connected two bearings, the internal surface of cylindrical body lower end arranges counterbore, outer surface one end of described inner sleeve is smooth cylinder, the other end arranges outside thread, the smooth cylinder of inner sleeve outer surface arranges axial guiding groove, guider screw is threaded with body, stretch in guiding groove through body, the bosom of inner sleeve arranges the shaft shoulder, one end that the inside of inner sleeve is identical with outside thread is smooth bore, the other end arranges convex axial arc-shaped through-hole inwardly, the smooth cylinder of inner sleeve outer surface and the upper end of body are slidably connected, the screw thread of big nut and inner sleeve outer surface revolve and, screw rod two ends arrange outside thread respectively and one end is installed in inner sleeve, axis and the radial direction of described folder lobe are all curved, the axial arc of folder lobe is inwardly convex, the concave surface of axial arc has the identical radius of curvature of arc-shaped through-hole axial with inner sleeve, the one or both ends, mouth limit of the convex surface of folder lobe arrange the convex tooth of triangle, middle setting has the thread profile identical with screw flight, thread profile and screw flight in the middle of folder lobe revolve mutually with, the radial strut of folder lobe is inwardly recessed, the concave surface of radial strut is identical with the radius of curvature of screw flight path, several folder lobes compositions to revolve mutually with screw flight and circle, the journal stirrup that described transverse arm is connected respectively by axle sleeve and both sides cylinder forms, and transverse arm is socketed on screw rod, on the end face of transverse arm with primary nut be set under bottom surface be respectively connected with screw flight, spring is placed between primary nut and the shaft shoulder of inner sleeve, is socketed on screw rod, described slave arm one end is flat, the other end is cylindrical shape, in the middle of slave arm flat, slotted hole is set, pin to be installed in slotted hole and to be slidably connected, the bearing that the lower end of slave arm and body are connected is hinged, the journal stirrup of small rod one end and transverse arm is hinged, the other end and pin hinges, in the middle part of described master arm, shoulder is set, be slidably connected in the cylindrical shape that master arm one end is installed on slave arm, described big connecting rod one end arranges hollow sleeve, and big connecting rod hollow sleeve is socketed on master arm, the other end and pin hinges.
Between described master arm and slave arm, also regulating mechanism is set, its structure is: on the cylindrical wall of slave arm, arrange oblong slots, the side of oblong slots arranges two horse shoe shaped breach, the opposite side of oblong slots, the outside of horse shoe shaped breach, top arrange a horse shoe shaped breach, three horse shoe shaped notch size shapes are identical, on master arm, radial direction arranges a pivot pin, pivot pin one side end face exceeds master arm plane, in the cylindrical shape that master arm is installed on slave arm, pivot pin be placed in oblong slots a horse shoe shaped breach in and be slidably connected.
The pull-type extracting tool in side of the antitheft assembly of a kind of threaded fastener totally enclosed type, it is characterized in that: it comprises body, fixed arm, inner sleeve, big nut, screw rod, folder lobe, lateral pin, roller, primary nut, spring, connecting lever, bearing pin, movable arm, connecting rod, described body is cylindrical shape, cylindrical body is symmetrical arranged axial coaxial oval groove, the internal surface of cylindrical body lower end arranges counterbore, outside cylindrical body, cylinder is connected connecting base, connecting base termination arranges support, and connecting base is vertical with oval groove, be connected with fixed arm, outer surface one end of described inner sleeve is smooth cylinder, the other end arranges outside thread, the bosom of inner sleeve arranges the shaft shoulder, one end that the inside of inner sleeve is identical with outside thread is smooth bore, the other end arranges convex axial arc-shaped through-hole inwardly, the arc-shaped through-hole end of inner sleeve arranges coaxial oval groove, the coaxial oval groove of inner sleeve is corresponding with the coaxial oval groove of body, the smooth cylinder of inner sleeve outer surface and body are slidably connected, the screw thread of big nut and inner sleeve outer surface revolve and, screw rod two ends arrange outside thread respectively and one end is installed in inner sleeve, the screw rod radial direction being placed in inner sleeve arranges through hole, axis and the radial direction of described folder lobe are all curved, the axial arc of folder lobe is inwardly convex, the concave surface of axial arc has the identical radius of curvature of arc-shaped through-hole axial with inner sleeve, the one or both ends, mouth limit of the convex surface of folder lobe arrange the convex tooth of triangle, middle setting has the thread profile identical with screw flight, thread profile and screw flight in the middle of folder lobe revolve mutually with, the radial strut of folder lobe is inwardly recessed, the concave surface of radial strut is identical with the radius of curvature of screw flight path, four folder lobes along be distributed in week to revolve mutually with screw flight and circle on, described lateral pin is installed in the coaxial oval groove of the through hole of screw rod, inner sleeve and body simultaneously, lateral pin two ends are stretched out external, and be connected with screw rod simultaneously, be slidably connected with inner sleeve and body, lateral pin stretches out external two ends and to be connected roller simultaneously, described primary nut is connected with screw flight, and spring is placed between primary nut and the shaft shoulder of inner sleeve, is socketed on screw rod, one end of described connecting lever arranges guiding groove, two connecting levers are placed in connecting base both sides respectively, guiding groove that is hinged with connecting base, one end to be socketed on roller that lateral pin is connected and to contact in the middle of connecting lever, the articulating point of connecting lever is positioned in the middle of connecting base, and the other end of two connecting levers to be socketed on bearing pin and hinged simultaneously, movable arm is L shape, and the support that the galianconism termination of movable arm and connecting base are arranged is hinged, and connecting rod one end is hinged with the galianconism of hinge, the other end and movable arm between two connecting levers.
Described roller is rolling bearing.
The antitheft assembly of the utility model threaded fastener totally enclosed type can either prevent threaded fastener stolen, sealing gasket on the horn-like structure of its first packing ring endoporus, seal washer and the first packing ring thereof can prevent again screw thread by corrosion, simultaneously inner cover barrel spanner of the present utility model can be used to coordinate both arms extracting tool of the present utility model or single armed extracting tool to dismantle, and not damaged screw fastening piece.There is detachable, antitheft favorable rust preventing effect, practical and convenient advantage.
Accompanying drawing explanation
Fig. 1 is that totally enclosed type Anti-theft cover master of the present utility model looks cross-sectional schematic;
Fig. 2 is the schematic top plan view that Fig. 1 removes protecting cover;
Fig. 3 is inner cover barrel spanner schematic front view of the present utility model;
Fig. 4 is the A-A cross-sectional schematic of Fig. 3;
Fig. 5 is the B-B cross-sectional schematic of Fig. 3;
Fig. 6 is directly pulling type extracting tool schematic front view of the present utility model;
Fig. 7 is that schematic diagram is looked on a left side of Fig. 6;
Fig. 8 is that directly pulling type extracting tool master of the present utility model looks cross-sectional schematic;
Fig. 9 is that cross-sectional schematic is looked on a left side of Fig. 8;
Figure 10 is the pull-type extracting tool schematic front view in side of the present utility model;
Figure 11 is that schematic diagram is looked on a left side of Figure 10;
Figure 12 is the C-C cross-sectional schematic of Figure 10.
In figure: 1 protecting cover, 2 exterior cover pipelines, 3 inner cover cylinders, 4 nuts, 5 bolts, 6 second packing rings, 7 seal washers, 8 first packing rings, 9 breach, 10 cup shells, 11 link plates, 12 link arms, 13 master arms, 14 big connecting rods, 15 slave arms, 16 primary nuts, 17 transverse arms, 18 small rods, 19 springs, 20 bodies, 21 inner sleeves, 22 big nuts, 23 screw rods, 24 folder lobes, 25 movable arms, 26 fixed arms, 27 connecting rods, 28 connecting bases, 29 connecting levers, 30 rollers, 31 bearing pins, 32 lateral pins, 33 sealing gaskets.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
With reference to Fig. 1 ~ Fig. 2, embodiment 1, and the present embodiment is for connecting freeway guardrail.The totally enclosed type Anti-theft cover of the antitheft assembly of a kind of threaded fastener totally enclosed type of the present embodiment, it comprises the first packing ring 8, bolt 5, sealing gasket 33, seal washer 7, exterior cover pipeline 2, second packing ring 6, nut 4, protecting cover 1, inner cover cylinder 3, endoporus one end of described first packing ring 8 is horn-like, the outside of the first packing ring 8, annular stopper is set with same one end of the large mouth of horn mouth, first packing ring 8 horn mouth is upwards socketed on the bolt 5 through freeway guardrail, seal washer 7 is socketed on bolt 5 simultaneously, described exterior cover pipeline 2 one end is with ring bottom seal, exterior cover pipeline 2 is socketed on the first packing ring 8, and shutoff end is placed on the annular stopper of the first packing ring 8 downwards, between exterior cover pipeline 2 and the annular stopper of the first packing ring 8, sealing gasket 33 is set, second packing ring 6 external diameter is identical with the internal diameter size of exterior cover pipeline 2, be placed in exterior cover pipeline 2 and be socketed on bolt 5 simultaneously, nut 4 be placed in the second packing ring 6 revolves with bolt 5 and, described protecting cover 1 is that external diameter is identical with exterior cover pipeline 2 internal diameter size, one end shutoff cup-shaped, the inverted cone boss that the shutoff end arranged outside of protecting cover 1 is fixed with one, protecting cover 1 boss to be upwards installed in exterior cover pipeline 2 and to be slidably connected, described inner cover cylinder 3 external diameter is identical with exterior cover pipeline 2 internal diameter size, inner cover cylinder 3 one end inwardly arranges several concentric circular arc hangers along Zhou Junbu, inner cover cylinder 3 circular arc hangers is upwards placed between the second packing ring 6 and protecting cover 1, to be installed between exterior cover pipeline 2 and nut 4 and to be slidably connected with exterior cover pipeline 2.The present embodiment adopts prior art manufacture.
With reference to Fig. 3 ~ Fig. 9, embodiment 2, and the present embodiment, for dismantling the threaded fastener and totally enclosed type Anti-theft cover of the present utility model that are arranged on transmission tower, adopts inner cover barrel spanner of the present utility model and directly pulling type extracting tool.The inner cover barrel spanner of the antitheft assembly of a kind of threaded fastener totally enclosed type, the cup shell 10 that inner cover barrel spanner is that external diameter is identical with inner cover cylinder 3 internal diameter size, the circular arc hangers thickness of wall thickness and inner cover cylinder 3 is identical, the inverted cone boss that the top arranged outside of cup shell 10 is fixed with one, one end of inner cover barrel spanner arranges the measure-alike breach 9 of the circular arc hangers of several and inner cover cylinder 3 along Zhou Junbu, and the link plate 11 between adjacent two breach 9 is fixed with one by the cup shell 10 of link arm 12 with inner cover barrel spanner.
A directly pulling type extracting tool for the antitheft assembly of threaded fastener totally enclosed type, it comprises body 20, inner sleeve 21, big nut 22, screw rod 23, folder lobe 24, transverse arm 17, primary nut 16, spring 19, slave arm 15, small rod 18, master arm 13, big connecting rod 14, described body 20 is cylindrical shape, and the mixed lateral column face symmetry of cylindrical body 20 is connected two bearings, and the internal surface of cylindrical body 20 lower end arranges counterbore, and outer surface one end of described inner sleeve 21 is smooth cylinder, the other end arranges outside thread, and the smooth cylinder of inner sleeve outer surface arranges axial guiding groove, and guider screw is threaded with body, stretch in guiding groove through body, the bosom of inner sleeve 21 arranges the shaft shoulder, and one end that the inside of inner sleeve 21 is identical with outside thread is smooth bore, the other end arranges convex axial arc-shaped through-hole inwardly, the smooth cylinder of inner sleeve 21 outer surface and the upper end of body 20 are slidably connected, big nut 22 and the screw thread of inner sleeve 21 outer surface revolve and, screw rod 23 two ends arrange outside thread respectively and one end is installed in inner sleeve 21, axis and the radial direction of described folder lobe 24 are all curved, the axial arc of folder lobe 24 is inwardly convex, the concave surface of axial arc has the radius of curvature identical with the axial arc-shaped through-hole of inner sleeve 21, the one or both ends, mouth limit of the convex surface of folder lobe 24 arrange the convex tooth of triangle, middle setting has the thread profile identical with the screw thread of screw rod 23, thread profile and the screw thread of screw rod 23 in the middle of folder lobe 24 revolve mutually with, the radial strut of folder lobe 24 is inwardly recessed, the concave surface of radial strut is identical with the radius of curvature of screw rod 23 diameter of thread, several folder lobes 24 form to revolve mutually with screw rod 23 screw thread and circle, the journal stirrup that described transverse arm 17 is connected respectively by axle sleeve and both sides cylinder forms, transverse arm 17 is socketed on screw rod 23, primary nut 16 is set respectively is threaded with screw rod 23 under on the end face of transverse arm 17 and bottom surface, between the shaft shoulder that spring 19 is placed in primary nut 16 and inner sleeve 21, be socketed on screw rod 23, described slave arm 15 one end is flat, the other end is cylindrical shape, in the middle of slave arm 15 flat, slotted hole is set, pin to be installed in slotted hole and to be slidably connected, the bearing that the lower end of slave arm 15 and body 20 are connected is hinged, the journal stirrup of small rod 18 one end and transverse arm 17 is hinged, the other end and pin hinges, in the middle part of described master arm 13, shoulder is set, be slidably connected in the cylindrical shape that master arm 13 one end is installed on slave arm 15, described big connecting rod 14 one end arranges hollow sleeve, and big connecting rod 14 hollow sleeve is socketed on master arm 13, the other end and pin hinges.
Between described master arm 13 and slave arm 15, also regulating mechanism is set, the cylindrical wall of slave arm 15 arranges oblong slots, the side of oblong slots arranges two horse shoe shaped breach, the opposite side of oblong slots, the outside of horse shoe shaped breach, top arrange a horse shoe shaped breach, three horse shoe shaped notch size shapes are identical, on master arm 13, radial direction arranges a pivot pin, pivot pin one side end face exceeds master arm 13 plane, in the cylindrical shape that master arm 13 is installed on slave arm 15, pivot pin be placed in oblong slots a horse shoe shaped breach in and be slidably connected.The present embodiment adopts prior art manufacture.
The working procedure of the present embodiment is: two master arms 13 drive two slave arms 15 to open, small rod 18 pulls transverse arm 17 to drive screw rod 23 to move down, thus drive folder lobe 24 to move down along the axial arc of inner sleeve 21, folder lobe 24 opens, clamp the inverted cone boss that protecting cover 1 end face is arranged, close two master arms 13 again, two slave arms 15 are driven to close, small rod 18 pulls transverse arm 17 to drive on screw rod 23 and moves, folder lobe 24 is driven to be pulled out along the axial arc of inner sleeve 21 moves, then, with inner cover cylinder 3 spanner, inner sleeve 21 is proposed, nut 4 i.e. detachable threaded fastener and totally enclosed type Anti-theft cover of the present utility model is screwed out again with allen wrench.
With reference to Figure 10 ~ Figure 12, embodiment 3, and the present embodiment, for dismantling the threaded fastener and totally enclosed type Anti-theft cover of the present utility model that are arranged on transmission tower, adopts the pull-type extracting tool of inner cover barrel spanner of the present utility model and side.Inner cover barrel spanner used is consistent with the inner cover barrel spanner of embodiment 2.
The pull-type extracting tool in side of the antitheft assembly of a kind of threaded fastener totally enclosed type, it comprises body 20, fixed arm 26, inner sleeve 21, big nut 22, screw rod 23, folder lobe 24, lateral pin 32, roller 30, primary nut 16, spring 19, connecting lever 29, bearing pin 31, movable arm 25, connecting rod 27, described body 20 is cylindrical shape, cylindrical body 20 is symmetrical arranged axial coaxial oval groove, the internal surface of cylindrical body 20 lower end arranges counterbore, outside cylindrical body 20, cylinder is connected connecting base 28, connecting base 28 termination arranges support, connecting base 28 is vertical with oval groove, be connected with fixed arm 26, outer surface one end of described inner sleeve 21 is smooth cylinder, the other end arranges outside thread, the bosom of inner sleeve 21 arranges the shaft shoulder, one end that the inside of inner sleeve 21 is identical with outside thread is smooth bore, the other end arranges convex axial arc-shaped through-hole inwardly, the arc-shaped through-hole end of inner sleeve 21 arranges coaxial oval groove, the coaxial oval groove of inner sleeve 21 is corresponding with the coaxial oval groove of body 20, smooth cylinder and the body 20 of inner sleeve 21 outer surface are slidably connected, big nut 22 and the screw thread of inner sleeve 21 outer surface revolve and, screw rod 23 two ends arrange outside thread respectively and one end is installed in inner sleeve 21, screw rod 23 radial direction being placed in inner sleeve 21 arranges through hole, axis and the radial direction of described folder lobe 24 are all curved, the axial arc of folder lobe 24 is inwardly convex, the concave surface of axial arc has the radius of curvature identical with the axial arc-shaped through-hole of inner sleeve 21, the one or both ends, mouth limit of the convex surface of folder lobe 24 arrange the convex tooth of triangle, middle setting has the thread profile identical with the screw thread of screw rod 23, thread profile and the screw thread of screw rod 23 in the middle of folder lobe 24 revolve mutually with, the radial strut of folder lobe 24 is inwardly recessed, the concave surface of radial strut is identical with the radius of curvature of screw rod 23 diameter of thread, four folder lobes 24 along be distributed in week to revolve mutually with screw rod 23 screw thread and circle on, described lateral pin 32 is installed in the coaxial oval groove of the through hole of screw rod 23, inner sleeve 21 and body 20 simultaneously, lateral pin 32 two ends are stretched out outside body 20, and be connected with screw rod 23 simultaneously, be slidably connected with inner sleeve 21 and body 20, lateral pin 32 two ends of stretching out outside body 20 are connected roller 30 simultaneously, described primary nut 16 is threaded with screw rod 23, between the shaft shoulder that spring 19 is placed in primary nut 16 and inner sleeve 21, is socketed on screw rod 23, one end of described connecting lever 29 arranges guiding groove, two connecting levers 29 are placed in connecting base 28 both sides respectively, guiding groove that is hinged with connecting base 28, one end to be socketed on roller 30 that lateral pin 32 is connected and to contact in the middle of connecting lever 29, the articulating point of connecting lever 29 is positioned in the middle of connecting base 28, and the other end of two connecting levers 29 to be socketed on bearing pin 31 and hinged simultaneously, movable arm 25 is L shape, and the support that the galianconism termination of movable arm 25 and connecting base 28 are arranged is hinged, and connecting rod 27 one end is hinged with bearing pin 31 between two connecting levers 29, the galianconism of the other end and movable arm 25 is hinged.Described roller 30 is rolling bearing.The present embodiment adopts prior art manufacture, and described roller 30 is the commercially available prod of prior art.
The working procedure of the present embodiment is: lift movable arm 25 by connecting rod 27, bearing pin 31 drives lateral pin 32, screw rod 23 moves down, thus drive folder lobe 24 to move down along the axial arc of inner sleeve 21, folder lobe 24 opens, clamp the inverted cone boss that protecting cover 1 end face is arranged, fall movable arm 25 again, by connecting rod 27, bearing pin 31 drives lateral pin 32, screw rod 23 moves, folder lobe 24 is driven to be pulled out along the axial arc of inner sleeve 21 moves, then, with inner cover barrel spanner, inner sleeve 21 is proposed, nut 4 i.e. detachable threaded fastener and totally enclosed type Anti-theft cover of the present utility model is screwed out again with allen wrench.
Claims (6)
1. the totally enclosed type Anti-theft cover of the antitheft assembly of threaded fastener totally enclosed type, it is characterized in that: it comprises the first packing ring, bolt, sealing gasket, seal washer, exterior cover pipeline, second packing ring, nut, protecting cover, inner cover cylinder, endoporus one end of described first packing ring is horn-like, the outside of the first packing ring, annular stopper is set with same one end of the large mouth of horn mouth, first packing ring horn mouth is upwards socketed on bolt, seal washer is socketed on bolt simultaneously, described exterior cover pipeline one end is with ring bottom seal, exterior cover pipeline is socketed on the first packing ring, and shutoff end is placed on the annular stopper of the first packing ring downwards, between the annular stopper of exterior cover pipeline and the first packing ring, sealing gasket is set, second washer outer diameter is identical with the internal diameter size of exterior cover pipeline, be placed in exterior cover pipeline and be socketed on bolt simultaneously, nut be placed in the second packing ring revolves with bolt and, described protecting cover is that external diameter is identical with exterior cover pipeline internal diameter size, one end shutoff cup-shaped, the inverted cone boss that the shutoff end arranged outside of protecting cover is fixed with one, protecting cover boss to be upwards installed in exterior cover pipeline and to be slidably connected, described inner cover cylinder external diameter is identical with exterior cover pipeline internal diameter size, inner cover cylinder one end inwardly arranges several concentric circular arc hangers along Zhou Junbu, inner cover cylinder circular arc hangers is upwards placed between the second packing ring and protecting cover, to be installed between exterior cover pipeline and nut and to be slidably connected with exterior cover pipeline.
2. the inner cover barrel spanner of the antitheft assembly of threaded fastener totally enclosed type, it is characterized in that: the cup shell that inner cover barrel spanner is that external diameter is identical with inner cover cylinder internal diameter size, the circular arc hangers thickness of wall thickness and inner cover cylinder is identical, the inverted cone boss that the top arranged outside of cup shell is fixed with one, one end of inner cover barrel spanner arranges the measure-alike breach of the circular arc hangers of several and inner cover cylinder along Zhou Junbu, and the link plate between adjacent two breach is fixed with one by the cup shell of link arm and inner cover barrel spanner.
3. the directly pulling type extracting tool of the antitheft assembly of threaded fastener totally enclosed type, it is characterized in that: it comprises body, inner sleeve, big nut, screw rod, folder lobe, transverse arm, primary nut, spring, slave arm, small rod, master arm, big connecting rod, described body is cylindrical shape, the mixed lateral column face symmetry of cylindrical body is connected two bearings, the internal surface of cylindrical body lower end arranges counterbore, outer surface one end of described inner sleeve is smooth cylinder, the other end arranges outside thread, the smooth cylinder of inner sleeve outer surface arranges axial guiding groove, guider screw is threaded with body, stretch in guiding groove through body, the bosom of inner sleeve arranges the shaft shoulder, one end that the inside of inner sleeve is identical with outside thread is smooth bore, the other end arranges convex axial arc-shaped through-hole inwardly, the smooth cylinder of inner sleeve outer surface and the upper end of body are slidably connected, the screw thread of big nut and inner sleeve outer surface revolve and, screw rod two ends arrange outside thread respectively and one end is installed in inner sleeve, axis and the radial direction of described folder lobe are all curved, the axial arc of folder lobe is inwardly convex, the concave surface of axial arc has the identical radius of curvature of arc-shaped through-hole axial with inner sleeve, the one or both ends, mouth limit of the convex surface of folder lobe arrange the convex tooth of triangle, middle setting has the thread profile identical with screw flight, thread profile and screw flight in the middle of folder lobe revolve mutually with, the radial strut of folder lobe is inwardly recessed, the concave surface of radial strut is identical with the radius of curvature of screw flight path, several folder lobes compositions to revolve mutually with screw flight and circle, the journal stirrup that described transverse arm is connected respectively by axle sleeve and both sides cylinder forms, and transverse arm is socketed on screw rod, on the end face of transverse arm with primary nut be set under bottom surface be respectively connected with screw flight, spring is placed between primary nut and the shaft shoulder of inner sleeve, is socketed on screw rod, described slave arm one end is flat, the other end is cylindrical shape, in the middle of slave arm flat, slotted hole is set, pin to be installed in slotted hole and to be slidably connected, the bearing that the lower end of slave arm and body are connected is hinged, the journal stirrup of small rod one end and transverse arm is hinged, the other end and pin hinges, in the middle part of described master arm, shoulder is set, be slidably connected in the cylindrical shape that master arm one end is installed on slave arm, described big connecting rod one end arranges hollow sleeve, and big connecting rod hollow sleeve is socketed on master arm, the other end and pin hinges.
4. the directly pulling type extracting tool of the antitheft assembly of a kind of threaded fastener totally enclosed type as claimed in claim 3, it is characterized in that: between described master arm and slave arm, also regulating mechanism is set, its structure is: on the cylindrical wall of slave arm, arrange oblong slots, the side of oblong slots arranges two horse shoe shaped breach, the opposite side of oblong slots, the outside of horse shoe shaped breach, top arranges a horse shoe shaped breach, three horse shoe shaped notch size shapes are identical, on master arm, radial direction arranges a pivot pin, pivot pin one side end face exceeds master arm plane, master arm is installed in the cylindrical shape of slave arm, be slidably connected in the horse shoe shaped breach that pivot pin is placed in oblong slots.
5. the pull-type extracting tool in side of the antitheft assembly of threaded fastener totally enclosed type, it is characterized in that: it comprises body, fixed arm, inner sleeve, big nut, screw rod, folder lobe, lateral pin, roller, primary nut, spring, connecting lever, bearing pin, movable arm, connecting rod, described body is cylindrical shape, cylindrical body is symmetrical arranged axial coaxial oval groove, the internal surface of cylindrical body lower end arranges counterbore, outside cylindrical body, cylinder is connected connecting base, connecting base termination arranges support, and connecting base is vertical with oval groove, be connected with fixed arm, outer surface one end of described inner sleeve is smooth cylinder, the other end arranges outside thread, the bosom of inner sleeve arranges the shaft shoulder, one end that the inside of inner sleeve is identical with outside thread is smooth bore, the other end arranges convex axial arc-shaped through-hole inwardly, the arc-shaped through-hole end of inner sleeve arranges coaxial oval groove, the coaxial oval groove of inner sleeve is corresponding with the coaxial oval groove of body, the smooth cylinder of inner sleeve outer surface and body are slidably connected, the screw thread of big nut and inner sleeve outer surface revolve and, screw rod two ends arrange outside thread respectively and one end is installed in inner sleeve, the screw rod radial direction being placed in inner sleeve arranges through hole, axis and the radial direction of described folder lobe are all curved, the axial arc of folder lobe is inwardly convex, the concave surface of axial arc has the identical radius of curvature of arc-shaped through-hole axial with inner sleeve, the one or both ends, mouth limit of the convex surface of folder lobe arrange the convex tooth of triangle, middle setting has the thread profile identical with screw flight, thread profile and screw flight in the middle of folder lobe revolve mutually with, the radial strut of folder lobe is inwardly recessed, the concave surface of radial strut is identical with the radius of curvature of screw flight path, four folder lobes along be distributed in week to revolve mutually with screw flight and circle on, described lateral pin is installed in the coaxial oval groove of the through hole of screw rod, inner sleeve and body simultaneously, lateral pin two ends are stretched out external, and be connected with screw rod simultaneously, be slidably connected with inner sleeve and body, lateral pin stretches out external two ends and to be connected roller simultaneously, described primary nut is connected with screw flight, and spring is placed between primary nut and the shaft shoulder of inner sleeve, is socketed on screw rod, one end of described connecting lever arranges guiding groove, two connecting levers are placed in connecting base both sides respectively, guiding groove that is hinged with connecting base, one end to be socketed on roller that lateral pin is connected and to contact in the middle of connecting lever, the articulating point of connecting lever is positioned in the middle of connecting base, and the other end of two connecting levers to be socketed on bearing pin and hinged simultaneously, movable arm is L shape, and the support that the galianconism termination of movable arm and connecting base are arranged is hinged, and connecting rod one end is hinged with the galianconism of hinge, the other end and movable arm between two connecting levers.
6. the pull-type extracting tool in side of the antitheft assembly of a kind of threaded fastener totally enclosed type as claimed in claim 5, is characterized in that: described roller is rolling bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520458997.5U CN204729450U (en) | 2015-07-01 | 2015-07-01 | The antitheft assembly of a kind of threaded fastener totally enclosed type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520458997.5U CN204729450U (en) | 2015-07-01 | 2015-07-01 | The antitheft assembly of a kind of threaded fastener totally enclosed type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204729450U true CN204729450U (en) | 2015-10-28 |
Family
ID=54387805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520458997.5U Expired - Fee Related CN204729450U (en) | 2015-07-01 | 2015-07-01 | The antitheft assembly of a kind of threaded fastener totally enclosed type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204729450U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909662A (en) * | 2016-07-01 | 2016-08-31 | 国网辽宁省电力有限公司盘锦供电公司 | Embedded cone antitheft vibration resisting nut |
| CN110332210A (en) * | 2019-07-05 | 2019-10-15 | 谭士龙 | A kind of high-strength anti-theft type screw fastener |
| CN110566566A (en) * | 2019-09-17 | 2019-12-13 | 叶永良 | novel protection device based on road and bridge protection |
-
2015
- 2015-07-01 CN CN201520458997.5U patent/CN204729450U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909662A (en) * | 2016-07-01 | 2016-08-31 | 国网辽宁省电力有限公司盘锦供电公司 | Embedded cone antitheft vibration resisting nut |
| CN110332210A (en) * | 2019-07-05 | 2019-10-15 | 谭士龙 | A kind of high-strength anti-theft type screw fastener |
| CN110332210B (en) * | 2019-07-05 | 2021-02-12 | 山东九佳紧固件股份有限公司 | High-strength anti-theft screw fastener |
| CN110566566A (en) * | 2019-09-17 | 2019-12-13 | 叶永良 | novel protection device based on road and bridge protection |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204729450U (en) | The antitheft assembly of a kind of threaded fastener totally enclosed type | |
| CN201613533U (en) | Cylinder sleeve detaching tool | |
| CN203892339U (en) | Screw rod locking nut | |
| CN103753492A (en) | Self-lubricating bearing dismounting device | |
| CN202846482U (en) | Dismounting device for interference sleeve | |
| CN214466153U (en) | Double-shaft bidirectional high-sealing welding butterfly valve | |
| CN203227703U (en) | Shaft end locking device for section steel straightening machine | |
| CN203330125U (en) | Roller locking device | |
| CN102384141B (en) | Connecting piece with fast disassembly and assembly | |
| CN204254042U (en) | Double-hook Rapid-dismounted pipe clamp | |
| CN201913451U (en) | Misplacement type integral synchronous flange screw bolt drawing machine | |
| CN204686788U (en) | The provision for disengagement of a kind of torque-converters transfer gear | |
| CN102873664A (en) | Inner-bore self-lubricating bearing dismantling device | |
| CN202418188U (en) | Radial high-pressure stop nut | |
| CN202895749U (en) | Press machine capable of flexibly connecting slider and balance cylinder | |
| CN202592311U (en) | Bush dismounting device | |
| CN203023170U (en) | Horizontal force compensator of hydraulic cylinder | |
| CN219840996U (en) | crankshaft connecting rod mechanism | |
| CN205200968U (en) | Frock is dismantled to planet wheel bearing | |
| CN210704389U (en) | Quick clamping mechanism for special-shaped valve | |
| CN205908767U (en) | Stifled valve preloading device | |
| CN204878398U (en) | Axle fixed structure convenient to dismantle | |
| CN205001401U (en) | A power transmission unit rotates | |
| CN204459209U (en) | Butterfly valve shaft sleeve can be dismantled online | |
| CN203335558U (en) | Locking device for pipe fitting assembling |
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: 20151028 Termination date: 20160701 |