CN207583815U - Novel seismic-proof Anti-loose screw - Google Patents

Abstract

The utility model is related to hardware fields, more particularly to a kind of Novel seismic-proof Anti-loose screw, including screw rod, it is connected to the head of screw rod one end, it is connected to the bucking ladder that screw rod deviates from head one end, the ring flange being set between head and screw rod, the screw rod are equipped with horizontal thread close to the surface of bucking ladder side, and the part between horizontal thread and ring flange is equipped with embossing ring；The end face that the head is connected to ring flange side is spherical surface, and the spherical end that the ring flange corresponds to head offers the arc groove tangent with spherical end；The diameter of the bucking ladder is laterally tapered into from close to the one of head away from the side on head.The utility model high mechanical strength, energy effective shock is anti-loosening, can be stably connected with workpiece.

Description

Novel seismic-proof Anti-loose screw

Technical field

The utility model is related to hardware field, more particularly to Novel seismic-proof Anti-loose screw.

Background technology

Screw, be using object inclined-plane circular rotating and frictional force physics and mathematical principle, by easy stages tightly Gu the tool of implements parts is most common fastener, is widely used in all trades and professions.Screw head and screw rod are generally comprised, And mostly metal material is made.

Screw generally comprises screw rod, head and fastening part, and screw rod is connected to head, and fastening part is opened in head.It is but existing With the presence of the following shortcoming of screw of technology.On the one hand, worker is needed when screw assembles with hand steered firmly screw head, Ran Houtong It crosses tool to screw in screw in workpiece, since head and screw rod joint face are plane, will be formed between screw rod and head bottom surface Right angle, so as to which when the equipment for being connected with the screw generates vibrations in the process of running, the connecting portion of head and screw rod will Larger stress concentration is generated, screw overall mechanical strength is poor, and then is easy to cause screw and occurs on head and the junction of screw rod Fracture, causes screw to damage；Second aspect, during workpiece strenuous exercise, in electric tool, screw with workpiece strenuous vibration, There are relative motions with workpiece, generate frictional force to workpiece, screw easily slides in the presence of frictional force, so as to lead Cause screw loosening, it is impossible to which that stablizes connect with workpiece.

Utility model content

To solve the above problems, the utility model provides anti-loosening a kind of high mechanical strength, energy effective shock, energy and workpiece The Novel seismic-proof Anti-loose screw being stably connected with.

Technical solution is used by the utility model：Novel seismic-proof Anti-loose screw including screw rod, is connected to screw rod one The head at end is connected to the bucking ladder that screw rod deviates from head one end, the ring flange being set between head and screw rod, the screw rod Screw thread is equipped with close to the surface of bucking ladder side, the part between screw thread and ring flange is equipped with embossing ring；The head connects The end face of ring flange side is connected to as spherical surface, the ring flange correspond to head spherical end offer it is tangent with spherical end Arc groove；The diameter of the bucking ladder is laterally tapered into from close to the one of head away from the side on head；The ring flange Diameter be more than the diameter of screw rod, the diameter of ring flange is more than the diameter on head；Outside is equipped with the cross section of screw thread side screw rod It forms for three sections of orthodromes, is connected between orthodrome by the transition of small arc-shaped nature；The embossing ring is in annular shape, and inner surface is in smooth It curved and is connect with screw rod outer surface, ring outer surface is parallel offers several V-shaped grooves for embossing, and the angle of the V-shaped groove is 45 ° -75 °, depth 0.2mm-1mm.

To being further improved as the angle of the V-shaped groove is 60 °, depth 0.5mm for above-mentioned technical proposal.

To being further improved as the circumscribed circle diameter of the screw sections small arc-shaped is regular screw threads for above-mentioned technical proposal 1.02~1.04D of nominal diameter.

To being further improved as the screw rod external screw-thread thread form face is circular arc thread form face for above-mentioned technical proposal.

To above-mentioned technical proposal be further improved for, the screw rod, head, bucking ladder and ring flange are integrally formed, Include stainless steel ontology from inside to outside, through strengthening heat-treating profiled hardened layer in stainless steel body surface, being plated on hardening The electroplated layer of layer surface.

Utility model has the beneficial effect that：

1st, on the one hand, ring flange is equipped between head and screw rod, and the diameter of ring flange is more than head diameter and screw rod Diameter reduces stress of the head directly with screw rod connecting place, improves the mechanical strength of screw entirety so that in mounting screw When, active force of the installation tool to screw rod can be disperseed, high mechanical strength ensures in the insertion nut that screw can be reliable and stable, surely It is qualitative good, it is easy to use, simultaneously as the diameter of ring flange is more than the diameter of screw rod, positioning action is played to screw rod, prevents spiral shell Bar skids off during with workpiece motion s, plays the role of anti-slip, ensures that screw is stably connected with workpiece.Second aspect, head The end face of ring flange side is connected to as spherical surface, the ring flange correspond to head spherical end offer it is tangent with spherical end Arc groove, relative to the structure that joint face is flat face, can weaken that head and screw rod connecting portion generate significantly should Power so as to which screw is effectively prevent to be broken on head and screw rod junction, further increases the mechanical strength of screw rod. The third aspect, screw portion are equipped with embossing ring, and are embossed on ring and offer V-shaped groove, increase the friction between screw rod and workpiece Power prevents screw slide, so as to ensure being stably connected with for screw rod and workpiece, prevents screw loosening.Fourth aspect, screw thread include edge The longitudinal screw with helicla flute of screw axis directional spreding and the spiral horizontal thread being distributed along screw rod circumferencial direction, Longitudinal screw with helicla flute is divided into several chip pockets by horizontal thread, increases chip space, is reduced clast and is brought Screw and workpiece between the power that mutually squeezes, screw is made to be easier to shoot inside workpiece, speed is shot in raising, increases contact surface Product, enhancing combine dynamics, further enhance the stability that screw is connect with workpiece.

2nd, the angle of V-shaped groove is 60 °, depth 0.5mm, handling ease, and anti-loosening effect is good.

3rd, screw rod, head, bucking ladder and ring flange are integrally formed, and processing technology is simple, and screw includes from inside to outside Stainless steel ontology, the electroplated layer through strengthening heat-treating profiled hardened layer in stainless steel body surface, being plated on hardening layer surface. Screw is equipped with hardened layer, increases the mechanical strength of screw, screw is prevented to be broken in use, electroplating surface has plating Layer, prevents screw corrosion, further improves the stability of screw.

Description of the drawings

Fig. 1 is the structure diagram of the utility model；

Fig. 2 is the structure diagram on the head of the utility model；

Fig. 3 is the structure diagram of the ring flange of the utility model；

Fig. 4 is the partial perspective view of the embossing ring of the utility model；

Fig. 5 is the cross-sectional view of the screw rod of the utility model.

Specific embodiment

The utility model is further described below in conjunction with attached drawing.

As shown in Figs. 1-5, the respectively knot of the structure diagram of the utility model, the structure diagram on head, ring flange Structure schematic diagram, be embossed the partial perspective view of ring, screw rod cross-sectional view.

Novel seismic-proof Anti-loose screw 100 including screw rod 110, is connected to the head 120 of 110 one end of screw rod, is connected to spiral shell Bar 110 deviates from the bucking ladder 130 of 120 one end of head, the ring flange 140 being set between head 120 and screw rod 110, the spiral shell Bar 110 is equipped with horizontal thread 150 close to the surface of 130 side of bucking ladder, between horizontal thread 150 and ring flange 140 Part is equipped with embossing ring 160；The head 120 is connected to the end face of 140 side of ring flange as spherical surface 121, the ring flange 140 121 end face of spherical surface on corresponding head 120 offers the arc groove 141 tangent with 121 end face of spherical surface；The bucking ladder 130 Diameter is laterally tapered into from close to the one of head 120 away from the side on head 120；The diameter of the ring flange 140 is more than spiral shell The diameter of bar 110, the diameter of ring flange 140 are more than the diameter on head 120；For the embossing ring 160 in annular shape, inner surface is in light It slides curved and is connect with 110 outer surface of screw rod, 160 outer surface of embossing ring is parallel to offer several V-shaped grooves 161, the V-arrangement The angle of slot 161 is 45 ° -75 °, depth 0.2mm-1mm；110 surface of screw rod is equipped with one section of horizontal thread 150, table Face offers the longitudinal screw 170 with helicla flute, and the periphery of the longitudinal screw 170 with helicla flute is equipped with laterally on screw rod 110 Screw thread 150, the longitudinal screw 170 with helicla flute are opposite with the hand of spiral of horizontal thread 150.

The angle of V-shaped groove 161 is 60 °, depth 0.5mm, handling ease, and anti-loosening effect is good.

Longitudinal screw 170 with helicla flute is divided into several chip pockets by horizontal thread 150, further increases appearance bits Space reduces the power mutually squeezed between screw 100 and workpiece that clast is brought, screw 100 is made to be easier to shoot in workpiece Speed is shot in portion, raising, increases contact area, and enhancing combines dynamics, further enhances the shockproof anti-loosening property of screw 100 Energy.

Screw rod 110, head 120, bucking ladder 130 and ring flange 140 are integrally formed, and processing technology is simple, screw 100 from It is interior to it is outer include stainless steel ontology 110a, through strengthen heat-treating profiled hardened layer 110b in stainless steel ontology 110a surfaces, It is plated on the electroplated layer 110c on hardened layer 110b surfaces.Screw 100 is equipped with hardened layer 110b, and the machinery for increasing screw 100 is strong Degree, prevents screw 100 to be broken in use, electroplating surface has electroplated layer 110c, 100 corrosion of screw is prevented, into one Step improves the stability of screw 100.

On the one hand, ring flange 140 is equipped between head 120 and screw rod 110, and the diameter of ring flange 140 is more than head 110 diameter of 120 diameters and screw rod reduces stress of the head 120 directly with 110 connecting place of screw rod, and it is whole to improve screw 100 Mechanical strength so that in mounting screw 100, active force of the installation tool to screw rod 110 can be disperseed, high mechanical strength is protected It demonstrate,proves in the insertion nut that screw 100 can be reliable and stable, stability is good, easy to use, simultaneously as the diameter of ring flange 140 is big In the diameter of screw rod 110, positioning action is played to screw rod 110, prevents screw rod 110 from being skidded off during with workpiece motion s, plays Shockproof anti-loosening effect ensures that screw 100 is stably connected with workpiece.Second aspect, head 120 are connected to 140 side of ring flange End face for spherical surface 121,121 end face of spherical surface that ring flange 140 corresponds to head 120 offers the arc tangent with 121 end face of spherical surface Connected in star 141 relative to the structure that joint face is flat face, can weaken head 120 and be generated with 110 connecting portion of screw rod significantly Stress, so as to which screw 100 is effectively prevent to be broken on head 120 and 110 junction of screw rod, further increase spiral shell The mechanical strength of bar 110.The third aspect, 110 part of screw rod are equipped with embossing ring 160, and are embossed on ring 160 and offer V-shaped groove 161, the frictional force between screw rod 110 and workpiece is increased, prevents screw rod 110 from sliding, so as to ensure the steady of screw rod 110 and workpiece Fixed connection, prevents screw 100 from loosening.Fourth aspect, 110 surface of screw rod are equipped with one section of horizontal thread 150, and surface offers band There is a longitudinal screw 170 of helicla flute, the periphery of the longitudinal screw 170 with helicla flute is equipped with horizontal thread 150, band on screw rod 110 The longitudinal screw 170 of helicla flute is with the hand of spiral of horizontal thread 150 on the contrary, the setting of longitudinal screw 170 increases appearance bits sky Between, screw 100 when shooting workpiece generated clast be filled in several chip pockets of screw 100, reduce clast and bring Screw 100 and workpiece between the power that mutually squeezes, it is effective remove screw 100 and shoot caused torsional forces during workpiece increase The problem of, screw 100 is made to be easier to shoot inside workpiece, speed is shot in raising, increases contact area, and enhancing combines dynamics, jail Solidity is high, and locking property is good.After locking workpiece, because of the hand of spiral of the screw thread with helicla flute and screw thread on the contrary, increase screw 100 and the interlocking by fixed workpiece, frictional force when enhancing screw 100 exits, screw 100 screw in after through after a period of time Even if loosening, obscission will not occur in frequent vibration, the shockproof anti-loosening performance of screw 100 is further enhanced.

The manufacturing process of the screw 100 of the utility model is：

First, bar section of stainless steel is taken to be integrally formed screw rod 110, head 120, bucking ladder 130 and ring flange 140, then in spiral shell 110 surface of bar is arranged embossing ring 160 and tapping forms longitudinal screw 170 and horizontal thread 150, then screw 100 is hardened Processing obtains hardened layer 110b, and plating is finally carried out to the screw 100 after hardening and forms electroplated layer 110c to obtain this practicality newly The Novel seismic-proof Anti-loose screw 100 of type.

Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed, But it should not be interpreted as limiting the scope of the present invention.It should be pointed out that for the common of this field For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (4)

1. Novel seismic-proof Anti-loose screw, it is characterised in that：Including screw rod, the head of screw rod one end is connected to, is connected to screw rod Bucking ladder away from head one end, the ring flange being set between head and screw rod, the screw rod is close to the table of bucking ladder side Face is equipped with horizontal thread, and the part between horizontal thread and ring flange is equipped with embossing ring；The head is connected to ring flange The end face of side is spherical surface, and the spherical end that the ring flange corresponds to head offers the arc groove tangent with spherical end； The diameter of the bucking ladder is laterally tapered into from close to the one of head away from the side on head；The diameter of the ring flange is more than The diameter of screw rod, the diameter of ring flange are more than the diameter on head；The embossing ring in annular shape, inner surface in smooth surface shape and It being connect with screw rod outer surface, ring outer surface is parallel offers several V-shaped grooves for embossing, and the angle of the V-shaped groove is 45 ° -75 °, Depth is 0.2mm-1mm；The screw surface is equipped with one section of horizontal thread, and surface offers longitudinal spiral shell with helicla flute Line, the periphery of the longitudinal screw with helicla flute is equipped with horizontal thread on screw rod, longitudinal screw and horizontal thread with helicla flute The hand of spiral is opposite.

2. Novel seismic-proof Anti-loose screw according to claim 1, it is characterised in that：The angle of the V-shaped groove is 60 °, Depth is 0.5mm.

3. Novel seismic-proof Anti-loose screw according to claim 2, it is characterised in that：The horizontal thread will be with helicla flute Longitudinal screw be divided into several chip pockets.

4. Novel seismic-proof Anti-loose screw according to claim 3, it is characterised in that：The screw rod, head, bucking ladder and Ring flange is integrally formed, and from inside to outside includes stainless steel ontology, heat-treating profiled in stainless steel body surface through strengthening Hardened layer, the electroplated layer for being plated on hardening layer surface.