A kind of separated type nut assembly
Technical field
The invention belongs to technical field of fastening, especially a kind of separated type nut assembly.
Background technique
At present, plain nut, when the screw rod anchoring longer to some screw threads, needs to turn from threaded end, so operating personnel can spend the too much time to complete nut turning in screw rod leading portion threaded area.Reduce working efficiency to a certain extent.After some equipment install, due in atmosphere exposed for a long time, screw rod is corrosion to some extent.The situation of the long additional corrosion of screw thread is entered once to increase this plain nut and is removed difficulty.Working efficiency can not get improving.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of can the separated type nut assembly of convenient anchoring, anchoring is carried out to machinery rapidly in the invalid threaded area can avoided on screw rod, increases work efficiency.
To achieve these goals, the technical solution used in the present invention is: a kind of separated type nut assembly, it is characterized in that: comprise lock sleeve and two to clasp nut, two form complete hexagon nut to clasp nut make-up, two all have curve bath to the respective of clasp nut to buckle side, all have the screw thread forming the continuous whole fillet of screw after make-up connects in two curve baths, described lock sleeve has the restraining groove with two to the hexagon nut shape adaptation that clasp nut make-up is formed.
Said structure, from the occlusion of any thread section make-up of screw rod to clasp nut, then can carry out limiting card jail oppositely mobile for the lock sleeve packing into screw rod in advance to two pairs of clasp nuts, then turns lock sleeve and completes anchoring to machinery.When removing equipment by the operation of inverted sequence step, can quick-detachment be realized, effectively increase work efficiency.
As the further setting of the present invention, described two to clasp nut being centrosymmetric to buckle side separately, screw thread starting point is positioned in the plane at the perpendicular bisector place of any surface of six prisms of hexagon nut outer circumferential face, and two fillets of screw formed after connecting clasp nut make-up are integer circle.
Said structure, makes two can to allow during its positive and negative make-up to clasp nut and all can realize matching, convenient operation.
As the further setting of the present invention, described two are formed through cutting by conventional hexagon nut clasp nut.
Said structure, conventional hexagon nut such as model is the hexagon nut of GB/T6172.1, and the sharp corners of its cutting plane adopts grinding process to make it become flat smooth to avoid in use hurting finger.
As the further setting of the present invention, described two are respectively first pair of clasp nut and second pair of clasp nut to clasp nut, first pair of clasp nut to buckle side being respectively equipped with the first projection and the first cavity, second pair of clasp nut second cavity adaptive respectively with the first projection and the first cavity and the second projection are provided with to buckle side.
Said structure, two end faces to clasp nut reserve projection and sunk part respectively, both make-ups coordinate with the second cavity respectively by the first projection when connecting, the mode that first cavity coordinates with the second projection realizes compact siro spinning technology and coordinates, when making it overlap after make-up connects on lock sleeve, two are being engaged more fully along screw axis direction clasp nut, and then when lock sleeve rotates, its synchronism is stronger, is easier to tighten non-slip.
As the further setting of the present invention, the two ends of described lock sleeve are respectively equipped with anchoring contact convex hole and reserved butt joint ring, and the internal orifice dimension of described reserved butt joint ring contacts the external diameter adaptation of convex hole with anchoring.
Said structure, the reserved butt joint ring of lock sleeve is mainly convenient to the anchoring contact convex hole of connection second lock sleeve end.
As the further setting of the present invention, described anchoring contact convex hole is round column structure or six prism structures, and the cross section of this six prism structure is identical to the cross-sectional sizes of the hexagon nut that clasp nut make-up is formed with two.
Said structure, anchoring contact convex hole is that round column structure is convenient to processing, preferably, be processed into six prism structures, its cross section is hexgonal structure, its size, with adaptive to the sectional dimension size of two pairs of clasp nuts after buckling well, is convenient to turn it with conventional spanner reinforce or dismantle.
Below in conjunction with accompanying drawing, the invention will be further described.
Accompanying drawing explanation
Accompanying drawing 1 is the mounting structure schematic diagram of screw rod of the present invention and separated type nut assembly;
Accompanying drawing 2 is the perspective view of the present invention to clasp nut;
Accompanying drawing 3 is the structural representation to buckle side of the present invention to clasp nut;
Accompanying drawing 4 is the structural representation of lock sleeve front end of the present invention;
Accompanying drawing 5 is the structural representation of lock sleeve tail end of the present invention;
Accompanying drawing 6 is the sectional structure chart of lock sleeve of the present invention;
Accompanying drawing 7 is two cooperating structure schematic diagram being respectively equipped with the separated state to clasp nut of projection and sunk part of the present invention;
Accompanying drawing 8 is the structural representation to buckle side to clasp nut in accompanying drawing 7 of the present invention;
Accompanying drawing 9 is detachable nut assembling (anchoring) process schematic of the present invention.
Embodiment
Specific embodiments of the invention are the mounting structure of separated type nut assembly and screw rod as shown in figs 1-9, and screw flight size is according to nut thread size design.Separated type nut assembly comprises lock sleeve 3 and two to clasp nut 1, two identical to clasp nut 1 size shape, and both make-ups form complete hexagon nut, two all have curve bath 11 to the respective of clasp nut 1 to buckle side, all there is in two curve baths 11 screw thread 12 forming the continuous whole fillet of screw after make-up connects, the two pairs of clasp nuts 1 are integer circle to the fillet of screw after buckling well, and lock sleeve 3 has the restraining groove 32 with two to the hexagon nut shape adaptation that clasp nut 1 make-up is formed.These two from screw rod 2 arbitrarily thread section make-up occlusion, then can be carried out limiting card jail to two to clasp nut 1 oppositely mobile for the lock sleeve 3 packing into screw rod 2 in advance to clasp nut 1, then turn lock sleeve 3 and complete anchoring to machinery.When removing equipment by the operation of inverted sequence step, can quick-detachment be realized, effectively increase work efficiency.During batch production, one of them can do visible marking's process in appearance, make-up choice for use in process easy to use to clasp nut 1.Above-mentioned lock sleeve 3 by the design of clasp nut 1 Outside Dimensions, can by two after buckling well to clasp nut 1 limiting card jail.
Above-mentioned two to be centrosymmetric setting to buckle side to the respective of clasp nut 1, and screw thread starting point is positioned in the plane at the perpendicular bisector place of any surface of six prisms of hexagon nut outer circumferential face.This hexagon nut refers to two hexagon nuts formed clasp nut 1 make-up, and this structure makes two can to allow during its positive and negative make-up to clasp nut 1 all to realize matching, convenient operation.
Preferably, two are formed through cutting by conventional hexagon nut clasp nut 1.Conventional hexagon nut such as model is the hexagon nut of GB/T6172.1, and the sharp corners of its cutting plane adopts grinding process to make it become flat smooth to avoid in use hurting finger.
As Figure 7-8, above-mentioned two are respectively first couple of clasp nut 1a to clasp nut 1
With second couple of clasp nut 1b, first couple of clasp nut 1a to buckle side 131 being respectively equipped with being provided with and the first projection 141 and adaptive respectively the second cavity 152 and the second projection 151 of the first cavity 141 buckle side 132 of the first projection 141 and the first cavity 142, second couple of clasp nut 1b.Two to clasp nut 1 to reserved projection and sunk part respectively on buckle side, both make-ups coordinate with the second cavity 152 respectively by the first projection 141 when connecting, the mode that first cavity 142 coordinates with the second projection 151 realizes compact siro spinning technology and coordinates, when making it overlap after make-up connects on lock sleeve 3, two are being engaged more abundant to clasp nut 1 along screw rod 1 axial direction, and then when lock sleeve 3 rotates, its synchronism is stronger, be easier to tighten non-slip.
The two ends of above-mentioned lock sleeve 3 are respectively equipped with anchoring contact convex hole 31 and reserved butt joint ring 33, and the internal orifice dimension of reserved butt joint ring 33 contacts the external diameter adaptation of convex hole 31 with anchoring.The reserved butt joint ring 33 of lock sleeve 3 is mainly convenient to the anchoring contact convex hole 31 of connection second lock sleeve 3 end.
The cylindrical structure of above-mentioned anchoring contact convex hole 31, preferably, its structure is hexagon, the cross section of this six prism is hexgonal structure, the cross section of this hexgonal structure and two measure-alike to the cross-sectional sizes of the hexagon nut that clasp nut 1 make-up is formed, be convenient to turn it with conventional spanner reinforce or dismounting.Preferably, lock sleeve 3 outer circumferential face is also arranged in hexagonal structure, is convenient to spanner and tightens operation.
Above-mentioned separated type nut assembly is when the practice that anchoring is locked, first screw rod 2 to be through after needing in the equipment through hole of anchoring lock sleeve 3 by being enclosed within screw rod 2 shown in Fig. 7, two, in the nearly anchored end of screw rod 2, make-up is carried out to clasp nut 1 again, oppositely skid off lock sleeve 3, suitable rotation lock cover 3 is aimed at two and is continued to skid off to clasp nut 1 so that carry out limiting card jail to two to clasp nut 1 to what buckle well, finally just only need turn lock sleeve 3 and just can complete anchoring to machinery fast.Separated type nut assembly provided by the invention can be longer to some screw threads fast screw rod 2 carry out anchoring and dismounting.