Summary of the invention
The object of this invention is to provide a kind of screw rod of bolt that can effectively prevent to break bar, by fastened object firmly securing Novel anti-bolt-breakage nut.
To achieve these goals, the present invention adopts following technological scheme:
A kind of Novel anti-bolt-breakage nut, comprise nut body, nut mobile plate and elastomer, above-mentioned nut body has direct-column portion and lip part, and the direct-column portion of above-mentioned nut body is axially provided with bolt hole, and the lip part of above-mentioned nut body is arranged at the external diameter week of axial one end of its direct-column portion along upper;
Above-mentioned nut mobile plate is coaxially arranged at above-mentioned nut body and is provided with outside one end of lip part, and the middle part of above-mentioned nut mobile plate has endoporus, and the aperture of this endoporus is greater than the aperture of above-mentioned bolt hole; The correct position of above-mentioned nut mobile plate in the inner between footpath and external diameter active packet after axial bending and bent radial is overlying on outside the lip part of above-mentioned nut body, thus above-mentioned nut mobile plate is divided into the main body portion that end face that above-mentioned nut body is provided with one end of lip part parallels, axial kink, and bent radial portion;
In with above-mentioned nut mobile plate towards the side of above-mentioned nut body being, relative side is outward; Gap is left between the end face that the inner side surface of the main body portion of above-mentioned nut mobile plate and above-mentioned nut body are provided with one end of lip part; Namely, above-mentioned nut body be provided with one end end face of lip part, the inner side surface of the axial kink of above-mentioned nut mobile plate, the inner side surface of the main body portion of above-mentioned nut mobile plate, above-mentioned nut mobile plate endoporus week along the corresponding extended surface of outer side surface of the main body portion of, above-mentioned nut mobile plate, the edge, bolt hole hole of above-mentioned nut body axial extended surface this jointly surround a cavity volume, above-mentioned elastomer fills in this cavity volume;
Be formed with free gap between all edges of external diameter of the axial kink of above-mentioned nut mobile plate and the lip part of above-mentioned nut body, between all edges of external diameter of above-mentioned nut mobile plate and the direct-column portion of above-mentioned nut body, also leave free gap.
In above-mentioned cavity volume, the end face that above-mentioned nut body is provided with one end of lip part is stacked with rigidity gasket ring.
The inner side surface of the main body portion of above-mentioned nut mobile plate or/and above-mentioned nut body be provided with one end of lip part end face on be provided with rigid limit cushion block.
The inner side surface of the main body portion of above-mentioned nut mobile plate is or/and above-mentioned rigid pad anchor ring is provided with rigid limit cushion block on a side of the inner side surface of this main body portion.
A kind of Novel anti-bolt-breakage nut, comprise nut body, nut mobile plate and elastomer, above-mentioned nut body has direct-column portion and lip part, and the direct-column portion of above-mentioned nut body is axially provided with bolt hole, and the lip part of above-mentioned nut body is arranged at the external diameter week of axial one end of its direct-column portion along upper;
Above-mentioned nut mobile plate has flat main body portion, and this main body portion to be coaxially arranged at outside one end that above-mentioned nut body is provided with lip part and to have gap between the two; The middle part of above-mentioned nut mobile plate has endoporus, and the aperture of this endoporus is greater than the aperture of above-mentioned bolt hole;
In with above-mentioned nut mobile plate towards the side of above-mentioned nut body being, relative side is outward; Above-mentioned nut body be provided with one end end face of lip part, the inner side surface of the main body portion of above-mentioned nut mobile plate, above-mentioned nut mobile plate endoporus week along the corresponding extended surface of outer side surface of the main body portion of, above-mentioned nut mobile plate, the edge, bolt hole hole of above-mentioned nut body axial extended surface this jointly surround a cavity volume, above-mentioned elastomer fills in this cavity volume; And between the inner side surface of the main body portion of above-mentioned elastomer and above-mentioned nut mobile plate, endoporus week of above-mentioned elastomer and above-mentioned nut mobile plate along between, be bonded together respectively.
The outer of the main body portion of above-mentioned nut mobile plate arranges axial extension part, this axial extension part is located in outside the lip part of above-mentioned nut body, above-mentioned elastomeric corresponding site extends the inner side surface of so far axial extension part and is bonded together, and is formed with free gap between all edges of the external diameter of the lip part of this axial extension part and above-mentioned nut body.
In above-mentioned cavity volume, the end face that above-mentioned nut body is provided with one end of lip part is stacked with rigidity gasket ring.
The inner side surface of the main body portion of above-mentioned nut mobile plate or/and above-mentioned nut body be provided with one end of lip part end face on be provided with rigid limit cushion block.
The inner side surface of the main body portion of above-mentioned nut mobile plate is or/and above-mentioned rigid pad anchor ring is provided with rigid limit cushion block on a side of the inner side surface of this main body portion.
After adopting such scheme, the working principle of transformation of energy is applied on nut in the fasteners by the present invention.Made it have by creationary setting in the termination of nut body and can load elastomeric cavity volume.During use, the screw rod of bolt passes two or more by after the mounting hole of locking object, to screw on nut of the present invention at screw end head, now nut body is provided with one end end face of lip part, the inner side surface of the axial kink of nut mobile plate, the inner side surface of the main body portion of nut mobile plate, the endoporus week edge of nut mobile plate, the corresponding extended surface of the outer side surface of the main body portion of nut mobile plate, the axial extended surface on the edge, bolt hole hole of nut body this jointly surround a closed cavity volume communicated in axis and each position of radial direction, the elastomer being filled with q.s is closed at wherein.When tightening, rotating nut body, the screw thread on screw rod is extruded elastomer along screw axial by nut body, reaches some strength stop when elastomer is extruded, now in cavity volume axially and the elastomer at radial each position all pressed and had very large elastic force.
In the axial direction, the elastic force that elastomer presses storage remains pressure nut body being had to great role power, and force nut body makes it not easily to loosen; Diametrically, when external force is acted on nut mobile plate by fastened object, nut mobile plate can carry out transformation of energy and eliminates external force by the elastomer diametrically back and forth in reciprocating compression cavity volume, ensure that external force can not directly act on the screw rod of bolt, makes it the bar that can not break.
A kind of Novel anti-bolt-breakage nut of the present invention; if during for fastening vehicle hub steel ring; when vehicle travels in rugged road; external force acts on nut mobile plate by fastened steel ring; namely external force not only can be made the transformation of energy of damping by nut mobile plate in the axial direction; also the transformation of energy of damping can be made diametrically; thus the external force achieving the inferior comprehensive vibrations on left and right of fastened steel ring can give the elimination of sufficient transformation of energy by the elastomer in structure of the present invention, protection nut not easily loosens and screw rod can not break bar.
Another kind of structural type of the present invention is: by nut body be provided with one end end face of lip part, the inner side surface of the main body portion of nut mobile plate, nut mobile plate endoporus week along the corresponding extended surface of outer side surface of the main body portion of, nut mobile plate, the edge, bolt hole hole of nut body axial extended surface this jointly surround the cavity volume of a semi open model, elastomer fills in the cavity volume of this semi open model, and between the inner side surface of the main body portion of elastomer and nut mobile plate, endoporus week of elastomer and nut mobile plate along between, be bonded together respectively.Here, elastomeric bonding can adopt the mode of baking or glue note (by injector) or directly bonding.The nut of this structure, its Force principle is axially constant, and the elastic force that elastomer presses storage remains pressure nut body being had to great role power, and force nut body makes it not easily to loosen; Diametrically, when external force is acted on nut mobile plate by fastened object, nut mobile plate can back and forth drive diametrically back and forth, elastomer in compression square-cavity carries out transformation of energy and eliminates external force, ensure that external force can not directly act on the screw rod of bolt, makes it the bar that can not break.
When rotating nut body will be locked fastened object, nut body is provided with the end face of one end of lip part and elastomer can produce frictional force, make tighten difficulty and certain heat can be produced, harmful effect may be caused to elastomer, in order to address this problem, the present invention is provided with at nut body between the end face of one end of lip part and elastomer and is movably equipped with rigidity gasket ring, separate by rigidity gasket ring the end face that elastomer and nut body are provided with one end of lip part, avoid elastomer and nut body to be provided with friction between the end face of one end of lip part.
When just along screw flight, axially compressing elastomer is also fastened object locking for this body nut of rotating nut, in order to prevent elastomer excessively oppressed, make elastomer can not proper function, the present invention the main body portion of nut mobile plate inner side surface or/and nut body be provided with one end of lip part end face on be provided with rigid limit cushion block; Or, at the inner side surface of the main body portion of nut mobile plate or/and rigid pad anchor ring is provided with rigid limit cushion block on a side of the inner side surface of this main body portion, guarantee elastomer in the axial direction not by excessive compression.
Embodiment
Embodiment one:
A kind of Novel anti-bolt-breakage nut of the present invention, embodiment, just like shown in Fig. 1,2,13,14, comprises nut body 1, nut mobile plate 2 and elastomer 3.Nut body 1 and nut mobile plate 2 are made by rigid material, and elastomer 3 adopts rubber or polyurethane or nylon etc. to have flexible object.
Nut body 1 has direct-column portion 11 and lip part 12.The middle part of direct-column portion 11 is axially provided with bolt hole 13, lip part 12 is arranged at the external diameter week of axial one end of direct-column portion 11 along upper, in the present invention, lip part 12 is one-body molded by axial one end of direct-column portion 11, lip part 12 structure ringwise, has upper bottom plane 121, external diameter week along 122 and the bottom surface 123 that extended by the axial end of direct-column portion 11.
Before not installing, nut mobile plate 2 has the cirque structure of endoporus 21 for middle part, and the aperture of endoporus 21 is greater than the aperture of bolt hole 13, and the external diameter of nut mobile plate 2 is greater than the external diameter of lip part 12.
Nut mobile plate 2 is coaxially arranged at nut body 1 and is provided with outside one end of lip part 12, the correct position of nut mobile plate 2 in the inner between footpath and external diameter active packet after axial bending and bent radial is overlying on outside the lip part 12 of nut body, thus the main body portion 22 that the end face that nut mobile plate 2 is divided into the one end being provided with lip part with nut body parallels, axial kink 23, and bent radial portion 24; The external diameter week of the axial kink 23 of nut mobile plate 2 and lip part 12 has free gap 4 between 122, bent radial portion 24 inclusion of nut mobile plate 2 on the upper bottom plane 121 of lip part 12, and leaves free gap 5 along between 25 and the direct-column portion 11 of nut body 1 in the external diameter of nut mobile plate 2 week.
In with the side of nut mobile plate 2 geared nut body 1 being, relative side is outward; Gap is left between the end face that the inner side surface of the main body portion 22 of nut mobile plate and nut body 1 are provided with one end of lip part 12; Namely, nut body 1 be provided with one end end face of lip part 12, the inner side surface 231 of the axial kink 23 of nut mobile plate, the inner side surface 221 of the main body portion 22 of nut mobile plate, the endoporus 21 of nut mobile plate week along 211, the corresponding extended surface of outer side surface 222 of main body portion 22 of nut mobile plate, the edge, hole of the bolt hole 13 of nut body axial extended surface 131 this jointly surround a cavity volume 31, elastomer 3 fills in this cavity volume 31.
The working principle of transformation of energy is applied on nut in the fasteners by the present invention.Made it have the cavity volume 31 that can load elastomer 3 by creationary setting in the termination of nut body 1.During use, the screw rod of bolt passes two or more by after the mounting hole of locking object, to screw on nut of the present invention at screw end head, now nut body 1 is provided with one end end face of lip part 12, the inner side surface 231 of the axial kink 23 of nut mobile plate, the inner side surface 221 of the main body portion 22 of nut mobile plate, the week of the endoporus 21 of nut mobile plate is along 211, the corresponding extended surface of the outer side surface 222 of the main body portion 22 of nut mobile plate, the axial extended surface 131 on the edge, hole of the bolt hole 13 of nut body this jointly surround a closed cavity volume 31 communicated in axis and each position of radial direction, be seated in closed for the elastomer 3 of q.s wherein.When tightening, rotating nut body 1, screw thread on screw rod along screw axial extruding elastomer 3, is reached some strength stop when elastomer 3 is extruded by nut body 1, now in cavity volume 31 axially and the elastomer 3 at radial each position all pressed and had very large elastic force.
In the axial direction, the elastic force that elastomer 3 presses storage remains pressure nut body 1 being had to great role power, and force nut body 1 makes it not easily to loosen; Diametrically, when external force is acted on nut mobile plate 2 by fastened object, nut mobile plate 2 elastomer 3 understood diametrically back and forth in reciprocating compression cavity volume 31 carries out transformation of energy and eliminates external force, ensure that external force can not directly act on the screw rod of bolt, makes it the bar that can not break.
A kind of Novel anti-bolt-breakage nut of the present invention; if during for fastening vehicle hub steel ring; when vehicle travels in rugged road; external force acts on nut mobile plate 2 by fastened steel ring; external force not only can be made the transformation of energy of damping by nut mobile plate 2 in the axial direction; also the transformation of energy of damping can be made diametrically; thus the external force achieving the inferior comprehensive vibrations on left and right of fastened steel ring can give the elimination of sufficient transformation of energy by the elastomer in structure of the present invention, protection nut not easily loosens and screw rod can not break bar.
Embodiment two:
A kind of Novel anti-bolt-breakage nut of the present invention, embodiment two is as shown in Fig. 3,13,14, and the difference of the present embodiment and embodiment one is only: in cavity volume 31, and on the end face that nut body is provided with one end of lip part 12, activity is stacked with rigidity gasket ring 6.
In the present embodiment, the end face that elastomer 3 and nut body are provided with one end of lip part 12 is separated by rigidity gasket ring 6, avoid elastomer 3 and nut body to be provided with friction between the end face of one end of lip part 12, make nut be easy to tighten and eliminate the heat that produces when tightening to the harmful effect of elastomer 3.
Preferably, the internal diameter of rigidity gasket ring 6 is designed to larger than the aperture of bolt hole 13, and leaves the gap being not less than free gap 4, to ensure the vibration damping activity space of nut mobile plate between all edges of the external diameter of rigidity gasket ring 6 and the axial kink 23 of nut mobile plate 2.
Embodiment three:
A kind of Novel anti-bolt-breakage nut of the present invention, embodiment three is as shown in Fig. 4,13,14, the difference of the present embodiment and embodiment one is only: the inner side surface of the main body portion 22 of nut mobile plate 2 is provided with rigid limit cushion block 7, guarantees elastomer 3 in the axial direction not by excessive compression.
Certainly, in the present embodiment, also rigid limit cushion block can be provided with on the end face that nut body 1 is provided with one end of lip part 12.Or the end face being provided with one end of lip part 12 at the inner side surface of the main body portion 22 of nut mobile plate 2 and nut body 1 is all provided with rigid limit cushion block.
Embodiment four:
A kind of Novel anti-bolt-breakage nut of the present invention, embodiment four is as shown in Fig. 5,13,14, the difference of the present embodiment and embodiment two is only: the inner side surface of the main body portion 22 of nut mobile plate 2 is provided with rigid limit cushion block 7, guarantees elastomer 3 in the axial direction not by excessive compression.
Certainly, in the present embodiment, also rigid limit cushion block can be provided with on rigidity gasket ring 6 this side towards the inner side surface of this main body portion 22.Or on this side of the inner side surface of this main body portion 22, be all provided with rigid limit cushion block at the inner side surface of the main body portion 22 of nut mobile plate 2 and rigidity gasket ring 6.
Embodiment five:
A kind of Novel anti-bolt-breakage nut of the present invention, embodiment five, as shown in Fig. 6,7,13,15, comprises nut body 1, nut mobile plate and elastomer 3 '.Nut body 1 and nut mobile plate are made by rigid material, and elastomer 3 ' adopts rubber or polyurethane or nylon etc. to have flexible object.
Nut body 1 has direct-column portion 11 and lip part 12.The middle part of direct-column portion 11 is axially provided with bolt hole 13, lip part 12 is arranged at the external diameter week of axial one end of direct-column portion 11 along upper, in the present invention, lip part 12 is one-body molded by axial one end of direct-column portion 11, lip part 12 structure ringwise, has upper bottom plane 121, external diameter week along 122 and the bottom surface 123 that extended by the axial end of direct-column portion 11.
Nut mobile plate has flat main body portion 22 ', and this main body portion 22 ' to be coaxially arranged at outside one end that nut body 1 is provided with lip part 12 and to have gap between the two; The middle part of main body portion 22 ' has endoporus 21 ', and the aperture of this endoporus 21 ' is greater than the aperture of bolt hole 13.
In with the side of main body portion 22 ' geared nut body 1 being, relative side is outward; Nut body 1 be provided with one end end face of lip part 12, the inner side surface 221 ' of main body portion 22 ' of nut mobile plate, the week of the endoporus 21 ' of main body portion along 211 ', the corresponding extended surface of outer side surface 222 ' of the main body portion 22 ' of nut mobile plate, the edge, bolt hole 13 hole of nut body axial extended surface 131 this jointly surround a cavity volume 31 ', elastomer 3 ' fills in this cavity volume 31 '; And between the inner side surface 221 ' of the main body portion 22 ' of elastomer 3 ' and nut mobile plate, week of the endoporus 21 ' of elastomer 3 ' and main body portion 22 ' along between 211 ', be bonded together respectively.Here, the bonding of elastomer 3 ' can be adopted baking or glue note (by injector) or be carried out the mode that bonds by binder.
In the present embodiment, the working principle of transformation of energy is applied on nut in the fasteners.Made it have the cavity volume 31 ' that can load elastomer 3 ' by creationary setting in the termination of nut body 1.During use, the screw rod of bolt passes two or more by after the mounting hole of locking object, to screw on nut of the present invention at screw end head, now nut body 1 is provided with one end end face of lip part 12, the inner side surface 221 ' of the main body portion 22 ' of nut mobile plate, the week of the endoporus 21 ' of main body portion is along 211 ', the corresponding extended surface of the outer side surface 222 ' of the main body portion 22 ' of nut mobile plate, the axial extended surface 131 on the edge, bolt hole 13 hole of nut body this jointly surround the cavity volume 31 ' communicated in axis and each position of radial direction of a semi-closed, the elastomer 3 ' of q.s is filled in this cavity volume 31 ', and between the inner side surface 221 ' of the main body portion 22 ' of elastomer 3 ' and nut mobile plate, week of the endoporus 21 ' of elastomer 3 ' and main body portion 22 ' along between 211 ', be bonded together respectively.When tightening, rotating nut body 1, nut body 1 is by the screw thread on screw rod along screw axial extruding elastomer 3 ', and reach some strength stop when elastomer 3 ' is extruded, now the interior elastomer 3 ' that is axial and radial each position of cavity volume 31 ' is all pressed and has very large elastic force.
In the axial direction, the elastic force that elastomer 3 ' presses storage remains pressure nut body 1 being had to great role power, and force nut body 1 makes it not easily to loosen; Diametrically, when external force by fastened object act on the main body portion 22 ' of nut mobile plate upper time, the main body portion 22 ' of nut mobile plate can back and forth drive diametrically back and forth, elastomer 3 ' in compression square-cavity 31 ' carries out transformation of energy and eliminates external force, ensure that external force can not directly act on the screw rod of bolt, make it the bar that can not break.
Embodiment six:
A kind of Novel anti-bolt-breakage nut of the present invention, embodiment six is as shown in Fig. 8,9,13,16, the difference of the present embodiment and embodiment five is only: the outer of the main body portion 22 ' of nut mobile plate arranges axial extension part 23 ', this axial extension part 23 ' is located in outside the lip part 12 of nut body, the corresponding site of elastomer 3 ' extends the inner side surface of so far axial extension part 23 ' and is bonded together, and is formed with free gap 4 ' between all edges of the external diameter of the lip part 12 of this axial extension part 23 ' and nut body.
Embodiment seven:
A kind of Novel anti-bolt-breakage nut of the present invention, embodiment seven is as shown in Figure 10,13,16, and the difference of the present embodiment and embodiment six is only: in cavity volume 31 ', and on the end face that nut body is provided with one end of lip part 12, activity is stacked with rigidity gasket ring 6.
In the present embodiment, the end face that elastomer 3 ' and nut body are provided with one end of lip part 12 is separated by rigidity gasket ring 6, avoid elastomer 3 ' and nut body to be provided with friction between the end face of one end of lip part 12, make nut be easy to tighten and eliminate the heat that produces when tightening to the harmful effect of elastomer 3 '.
Preferably, the internal diameter of rigidity gasket ring 6 is designed to larger than the aperture of bolt hole 13, and leave the gap being not less than free gap 4 ', to ensure the vibration damping activity space of nut mobile plate between all edges of the external diameter of rigidity gasket ring 6 and the axial kink 23 ' of nut mobile plate.
Embodiment eight:
A kind of Novel anti-bolt-breakage nut of the present invention, embodiment eight is as shown in Figure 11,13,16, the difference of the present embodiment and embodiment six is only: the inner side surface 221 ' of the main body portion 22 ' of nut mobile plate is provided with rigid limit cushion block 7, guarantees elastomer 3 ' in the axial direction not by excessive compression.
Certainly, in the present embodiment, also rigid limit cushion block can be provided with on the end face that nut body 1 is provided with one end of lip part 12.Or the end face being provided with one end of lip part 12 at the inner side surface 221 ' of the main body portion 22 ' of nut mobile plate and nut body 1 is all provided with rigid limit cushion block.
Embodiment nine:
A kind of Novel anti-bolt-breakage nut of the present invention, embodiment nine is as shown in Figure 12,13,16, the difference of the present embodiment and embodiment seven is only: the inner side surface 221 ' of the main body portion 22 ' of nut mobile plate is provided with rigid limit cushion block 7, guarantees elastomer 3 ' in the axial direction not by excessive compression.
Certainly, in the present embodiment, also rigid limit cushion block can be provided with on rigidity gasket ring 6 this side towards the inner side surface 221 ' of main body portion 22 '.Or nut mobile plate 22 ' inner side surface 221 ' and rigidity gasket ring 6 on this side of the inner side surface of this main body portion 22 ', be all provided with rigid limit cushion block.