CN207583793U - High stability hand screw - Google Patents

Abstract

The utility model is related to hardware fields, and in particular to a kind of high stability hand screw including screw rod, is connected to the head of screw rod one end, is set to the plastic cement hand outside head and twists part, is connected to the bucking ladder that screw rod deviates from head one end；The plastic cement hand twists part and includes the T-slot to accommodate head, it is set to center and is communicated in the circular cavity of T-slot, four first groove in quadrangle of the annular array around circular cavity, the the second oval groove being set between two neighboring first groove, the depth of the circular cavity is more than the depth of the second groove, and the depth of the second groove is more than the depth of the first groove；The plastic cement hand twists part and includes waterproof reinforced layer, plastic resilient layer and wear-resistant anti-skid layer successively from inside to outside.The utility model can be installed or removed directly with hand, easy to use, high mechanical strength, it is not easy to break, can be stably connected with workpiece.

Description

High stability hand screw

Technical field

The utility model is related to hardware field, more particularly to high stability hand 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.

In woodwork, screw generally comprises screw rod, head and fastening part, and screw rod is connected to head, and fastening part is opened in In head.But there are following shortcomings for the screw of the prior art.On the one hand, it is necessary to fastening tool be used to drive screw with by spiral shell Nail screw in workpiece in, inconvenient to use, second aspect, mechanical strength have it is to be strengthened, when with fastening tool drive screw screw in or During back-out, since fastening tool generates the stress to screw rod to head active force, screw rod fracture is be easy to cause, further It causes inconvenient to use.The third aspect, during workpiece strenuous exercise, in electric tool, screw is with workpiece strenuous vibration, with work There are relative motions for part, generate frictional force to workpiece, screw easily slides in the presence of frictional force, so as to cause spiral shell Nail loosens, it is impossible to which that stablizes connects with workpiece

Utility model content

It can directly be installed or removed with hand to solve the above problems, the utility model provides one kind, is easy to use, mechanical strong The high stability hand screw that degree is high, not easy to break, can be stably connected with workpiece.

Technical solution is used by the utility model：High stability hand screw including screw rod, is connected to screw rod one end Head, be set to the plastic cement hand outside head and twist part, be connected to screw rod deviate from head one end bucking ladder；The plastic cement hand is twisted Part includes the T-slot to accommodate head, is set to center and is communicated in the circular cavity of T-slot, and annular array is in round empty Four the first grooves in quadrangle around chamber, oval second being set between two neighboring first groove are recessed Slot, the depth of the circular cavity are more than the depth of the second groove, and the depth of the second groove is more than the depth of the first groove；It is described Plastic cement hand twists part and includes waterproof reinforced layer, plastic resilient layer and wear-resistant anti-skid layer successively from inside to outside；The screw rod outer surface is leaned on One end that nearly plastic cement hand twists part is equipped with embossing ring, and screw thread is offered close to one end of bucking ladder；The screw thread is included along screw shaft The longitudinal screw with helicla flute of line directional spreding and the spiral horizontal thread being distributed along screw rod circumferencial direction；The pressure Garland in annular shape, inner surface in smooth surface shape and connect with screw rod outer surface, be embossed ring outer surface it is parallel offer it is several A V-shaped groove, 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 if the longitudinal screw with helicla flute is divided by the horizontal thread for above-mentioned technical proposal Dry chip pocket.

To being further improved as the screw rod, bucking ladder and head are integrally formed, from inside to outside for above-mentioned technical proposal Electricity including stainless steel ontology, through strengthening heat-treating profiled hardened layer in stainless steel body surface, being plated on hardening layer surface Coating.

The beneficial effects of the utility model are：

1st, on the one hand, the utility model twists part in head outer cover equipped with plastic cement hand, in use, directly squeezing plastic cement with hand Hand twists part, and so as to which active force is transferred to head and screw rod, screw is threaded in or out, and is not required to additionally use corresponding fastening Tool, it is easy to use.Second aspect, plastic cement hand twist part and include the T-slot to accommodate head, be set to center and be communicated in T The circular cavity of shape slot, four first groove in quadrangle of the annular array around circular cavity, is set to two neighboring The second oval groove between first groove, head are installed in T-slot, and circular cavity, the first groove and second are recessed The setting of slot so that user, which is more convenient for squeezing plastic cement hand, twists part, and plastic cement hand twists part and is prone to deformation, so that active force be transmitted To head and screw rod, dispersion hand twists plastic cement hand the active force of part so that plastic cement hand twists part uniform force, so as to stablize general Screw is threaded in or out, and further increases the convenience that the utility model uses.The third aspect, the depth of the circular cavity More than the depth of the second groove, the depth of the second groove is more than the depth of the first groove so that hand twists plastic cement hand in the work of part Firmly can be faster more stable be transmitted to head, then be transmitted to screw rod, screw rod to be driven to be threaded in or out, further increase this The convenience that utility model uses.Fourth aspect, plastic cement hand twist part and include waterproof reinforced layer, plastic resilient layer successively from inside to outside And wear-resistant anti-skid layer, the setting of wear-resistant anti-skid layer, prevent hand from skidding when twisting screw so that the smaller power of user's need can incite somebody to action Screw is threaded in or out, the setting of waterproof reinforced layer, one increases the mechanical strength that plastic cement hand twists part, and two prevent moisture from oozing Enter inside screw and cause screw rust corrosion and be not easy to be threaded in or out, further increase the utility model and use just Profit.5th aspect, screw portion are equipped with embossing ring, and are embossed on ring and offer V-shaped groove, increase between screw rod and workpiece Frictional force prevents screw slide, so as to ensure being stably connected with for screw rod and workpiece, prevents screw loosening.6th aspect, screw thread packet Include the longitudinal screw with helicla flute along screw axis directional spreding and the spiral transverse direction that is distributed along screw rod circumferencial direction Longitudinal screw with helicla flute is divided into several chip pockets, increases chip space by screw thread, horizontal thread, reduces clast The power mutually squeezed between the screw and workpiece that bring makes screw be easier to shoot inside workpiece, and speed is shot in raising, and increase connects Contacting surface is accumulated, and is enhanced the combination dynamics of screw and workpiece, is further enhanced 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, further enhances spiral shell Follow closely the stability being connect with workpiece.

3rd, screw rod, bucking ladder and head are integrally formed, and processing technology is simple, and screw includes stainless steel sheet from inside to outside Body, 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, and electroplating surface has electroplated layer, prevents spiral shell Follow closely corrosion so that screw is more easy to be threaded in or out, and further improves convenience and stability that screw uses.

Description of the drawings

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

Fig. 2 is the structure diagram of the embossing ring of the utility model；

Fig. 3 is that the plastic cement hand of the utility model twists the structure diagram of part；

Fig. 4 is that the plastic cement hand of the utility model twists the cross-sectional view of part；

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, respectively the structure diagram of the utility model, be embossed ring structure diagram, plastic cement hand twist Structure diagram, the plastic cement hand of part twist the cross-sectional view of part and the cross-sectional view of screw rod.

High stability hand screw 100 including screw rod 110, is connected to the head 120 of 110 one end of screw rod, is set to head Plastic cement hand outside 120 twists part 140, is connected to the bucking ladder 130 that screw rod 110 deviates from 120 one end of head；The plastic cement hand twists part 140 include the T-slot 141 to accommodate head 120, are set to center and are communicated in the circular cavity 142 of T-slot 141, annular Array four around circular cavity 142 is in the first groove 143 of quadrangle, be set to two neighboring first groove 143 it Between the second oval groove 144, the depth of the circular cavity 142 is more than the depth of the second groove 144, the second groove 144 depth is more than the depth of the first groove 143；The plastic cement hand twists part 140 and includes waterproof reinforced layer successively from inside to outside 140a, plastic resilient layer 140b and wear-resistant anti-skid layer 140c；One end of part 140 is twisted close to plastic cement hand in 110 outer surface of screw rod Equipped with embossing ring 150, screw thread is offered close to one end of bucking ladder 130；The screw thread includes being distributed along 110 axis direction of screw rod The longitudinal screw 160 with helicla flute and along 110 circumferencial direction of screw rod be distributed spiral horizontal thread 170；The pressure Garland 150 is connect in smooth surface shape and in annular shape, inner surface with 110 outer surface of screw rod, and 150 outer surface of embossing ring is parallel to open Equipped with several V-shaped grooves 151, the angle of the V-shaped groove 151 is 45 ° -75 °, depth 0.2mm-1mm.

The angle of V-shaped groove 151 is 60 °, depth 0.5mm, handling ease, and anti-loosening effect is good, further enhances The stability that screw 100 is connect with workpiece.

Screw rod 110, bucking ladder 130 and head 120 are integrally formed, and processing technology is simple, and screw 100 includes from inside to outside Stainless steel ontology 110a, through strengthening heat-treating profiled hardened layer 110b in stainless steel ontology 110a surfaces, being plated on hardened layer The electroplated layer 110c on 110b surfaces.Screw 100 is equipped with hardened layer 110b, increases the mechanical strength of screw 100, prevents screw 100 are broken in use, and electroplating surface has electroplated layer 110c, prevent 100 corrosion of screw so that screw 100 is more easy to It is threaded in or out, further improves convenience and stability that screw 100 uses.

On the one hand, the utility model twists part 140 in 120 outer cover of head equipped with plastic cement hand, in use, directly being squeezed with hand Plastic cement hand twists part 140, so as to which active force is transferred to head 120 and screw rod 110, screw 100 is threaded in or out, is not required to volume The corresponding fastening tool of outer use, it is easy to use.Second aspect, plastic cement hand twist part 140 and include the T shapes to accommodate head 120 Slot 141 is set to center and is communicated in the circular cavity 142 of T-slot 141, four around circular cavity 142 of annular array In the first groove 143 of quadrangle, the second oval groove 144 being set between two neighboring first groove 143, head Portion 120 is installed in T-slot 141, the setting of circular cavity 142, the first groove 143 and the second groove 144 so that user is more just Part 140 is twisted in squeezing plastic cement hand, plastic cement hand twists part 140 and is prone to deformation, so as to which active force is transferred to head 120 and screw rod 110, dispersion hand twists plastic cement hand the active force of part 140 so that plastic cement hand twists 140 uniform force of part, so as to stablize spiral shell Nail 100 is threaded in or out, and further increases the convenience that the utility model uses.The third aspect, the circular cavity 142 Depth is more than the depth of the second groove 144, and the depth of the second groove 144 is more than the depth of the first groove 143 so that hand is to modeling The active force that glue hand twists part 140 can be faster more stable be transmitted to head 120, then be transmitted to screw rod 110, to drive screw rod 110 It is threaded in or out, further increases the convenience that the utility model uses.Fourth aspect, plastic cement hand twist part 140 from inside to outside Include waterproof reinforced layer 140a, plastic resilient layer 140b and wear-resistant anti-skid layer 140c successively, the setting of wear-resistant anti-skid layer 140c is prevented Only hand skids when twisting screw 100 so that user needs smaller power that can be threaded in or out screw 100, waterproof reinforced layer The setting of 140a, one increases the mechanical strength that plastic cement hand twists part 140, and two make preventing the moisture from penetrating into 100 inside of screw It is not easy to be threaded in or out into 100 rust corrosion of screw, further increases the convenience that the utility model uses.5th side Face, 110 part of screw rod are equipped with embossing ring 150, and are embossed on ring 150 and offer V-shaped groove 151, increase screw rod 110 and workpiece it Between frictional force, prevent screw rod 110 from sliding, so as to ensure being stably connected with for screw rod 110 and workpiece, prevent screw 100 from loosening.The Six aspects, screw thread include the longitudinal screw 160 with helicla flute being distributed along 110 axis direction of screw rod and along 110 circumference sides of screw rod To the spiral horizontal thread 170 of distribution, the longitudinal screw 160 with helicla flute is divided into several by horizontal thread 170 Chip pocket increases chip space, reduces the power mutually squeezed between screw 100 and workpiece that clast is brought, makes screw 100 It is easier to shoot inside workpiece, speed is shot in raising, increases contact area, enhances the combination dynamics of screw 100 and workpiece, into one Step enhances the stability that screw 100 is connect with workpiece.

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 and bucking ladder 130, then is covered on 110 surface of screw rod If it is embossed ring 150 and tapping forms longitudinal screw 160 and horizontal thread 170, then carry out cure process to screw 100 and hardened Layer 110b carries out the screw 100 after hardening plating and forms electroplated layer 110c, and being finally arranged plastic cement hand on head 120 twists part 140 To obtain the utility model high stability hand screw 100.

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. high stability hand screw, it is characterised in that：Including screw rod, the head of screw rod one end is connected to, is set to outside head The plastic cement hand in portion twists part, is connected to the bucking ladder that screw rod deviates from head one end；The plastic cement hand twists part and includes accommodating head T-slot, be set to center and be communicated in the circular cavity of T-slot, annular array four around circular cavity is in four sides First groove of shape, the second oval groove being set between two neighboring first groove, the depth of the circular cavity Degree is more than the depth of the second groove, and the depth of the second groove is more than the depth of the first groove；The plastic cement hand twists part from inside to outside Include waterproof reinforced layer, plastic resilient layer and wear-resistant anti-skid layer successively；One end of part is twisted close to plastic cement hand in the screw rod outer surface Equipped with embossing ring, screw thread is offered close to one end of bucking ladder；The screw thread includes the band spiral along screw axis directional spreding The longitudinal screw of slot and the spiral horizontal thread being distributed along screw rod circumferencial direction；The embossing ring is in annular shape, interior table Face is embossed that ring outer surface is parallel to offer several V-shaped grooves, the V-shaped groove in smooth surface shape and connect with screw rod outer surface Angle be 45 ° -75 °, depth 0.2mm-1mm.

2. high stability hand screw according to claim 1, it is characterised in that：The angle of the V-shaped groove is 60 °, deep It spends for 0.5mm.

3. high stability hand screw according to claim 2, it is characterised in that：The horizontal thread will be with helicla flute Longitudinal screw is divided into several chip pockets.

4. high stability hand screw according to claim 3, it is characterised in that：The screw rod, bucking ladder and head one It is body formed, include stainless steel ontology from inside to outside, through strengthening heat-treating profiled hardened layer in stainless steel body surface, plating In the electroplated layer of hardening layer surface.