CN2394049Y

CN2394049Y - Anti-loosing nuts

Info

Publication number: CN2394049Y
Application number: CN 98247852
Authority: CN
Inventors: 周明忠
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-12-04
Filing date: 1998-12-04
Publication date: 2000-08-30
Anticipated expiration: 2008-12-04

Abstract

The utility model discloses an anti-loosing screw cap comprising a main body of the screw cap. The anti-loosing screw cap is characterized in that one end surface of the screw cap is provided with a convex end ring. A sloping bended arc shape from the end ring towards the inner side of a screw hole is formed. Thus, the simple and convenient clamping and anti-loosing use efficacy can be achieved. The purpose of anti-loosing fixed lock of reverse insertion can be really achieved by the special sloping locking assembly of a screw thread surface.

Description

Jam nut

The utility model relates to a kind of easy jam nut, it is by the end ring at the default protrusion of nut end face, the curved arc punching out of doing one makes it be deep into the inner appropriate depth of screw, but cooperates the flank of thread pintle hook lock of locking bolt shank to be incorporated into the end ring edge, reaches the sealed locking use effect of plug-in card.By integrated fastening end ring structure, form and need not any accessory collocation assembling fully, just can design and produce jam nut easy and that manufacture cost significantly reduces really.

Because the needs that lock mutually between workpiece or driving mechanism; a kind of need possess sealed locking nut just to be used by exploitation widely; the jam nut design that tradition is common; according to using sealed needs different structural designs is arranged; wherein a kind of more common jam nut design; case before the relevant patent shown in No. the 81103802nd, disclosed TaiWan, China patent application on January 11 nineteen ninety-five; be about to special plastic material filling in nut one end inside; what cooperate to protrude end ring dashes the pressure holding block diagram; make to reach and coat the sealed locking design of built-in filling with Tightening sheet; and by plastic material during for bolt sealed operation; can directly lock and wear this locking plasticity Tightening sheet; reach the anti-loosing effect of locking; because this locking plastic material; not only in the operation of punching press coating end ring, need more carefully control; otherwise can as easy as rolling off a logly make this filling ring plate produce distortion; and because of this plastic material is producing corresponding chemical change to the special soda acid chemical substance of part regular meeting; as change or dissolved; and lose actual sealed locking operating characteristics; though so cheap relatively manufacture cost of its tool and suitable locking effect, in go up the disappearance that use then still has it not only to be suitable for comprehensively.

So just there is be installed in the having jam nut of solid shell fragment design of another kind to be developed, promptly as the design of the jam nut of No. the 85219389th, disclosed TaiWan, China patent application on July 11st, 1997, directly make suitable five equilibrium grooving in the domain flange of nut body end face, make the anchor ring that forms segmented, with the pad of desiring to wear, establishing the ring edge that stays protrusion except that inside supplies to do the locking engaging, partly establish the breach that stays opposing flanges in outer ring edge, after pad is placed, cooperate the punching out clamping, make the breach set on the pad that is placed through that the bulge loop of bending can be in good time, prevent the situation of rotating and reach retaining washer, when making the bolt locking operation, protrude the engaging operation that part sheet end is done locking by pad, and be to ask really usually the needing to do material through the shell fragment of special processing of fixing by above-mentioned pad, so it is very high on its whole manufacture cost, be not inconsistent the general needs of selecting for use, design via above all jam nuts, it obviously all is on an end face of nut body, protrude the end ring except that default, more need in end ring, engaging according to actual locking needs, doing the suitable filling of fastened component makes, phase can reach the purpose of locking operation, and with these structural design, it is not only made because locate after the member filling and prevent and closes the damage consideration that the location may be subjected to because dash, and need rely on more skilled dashing outside the technology of closing, on the manufacture cost of integral body, also obviously higher, especially the usage quantity in nut moves the person with up to ten million numbers, the least bit of its cost difference, the difference of the profit that is produced just may reach an extremely considerable numeral, especially need in the face of more and more how sealed locking use, reach the industry characteristics that automation produces, with the design and the manufacturing of jam nut, in addition necessity of design improved is arranged in fact further.

The design person is in view of existing jam nut, its limited field and actual manufacturing cost are all arranged in the use, the shortcoming that technology is higher, be design spirit through test and study and work with perseverance concentratedly always, finally develop a kind of easy jam nut of the utility model, mainly do the suitable design of increasing by protruding anchor ring at the nut apical margin, make it after flank of thread is made, via the moulding of punching out curved arc, make anchor ring be deep into 1/3rd to 1/4th inside of screw, be convenient to sealed screw rod and can directly lock to fasten and decide use, to make one-body moldedly, can reduce the whole production cost and, more can overcome the shortcomings such as restriction that conventional screw cap locking accessory is subjected to using scope technical dependence.

The purpose of this utility model is to provide a kind of jam nut, with integrated nut and locking ring structure, by the proper metal material, make whole jam nut be able to easy moulding, do not need any accessory collocation assembling, just can reach the purpose of locking locking, more and because the locking of metal ring edge, can make the wider general of lock usefulness, have more the locking practical purpose of certain locking.

For achieving the above object, the utility model is taked following technological scheme:

A kind of jam nut includes a nut body, it is characterized in that: the end ring that is provided with protrusion in nut one end face; This end ring is to the inboard inclination curved arc shape that forms of screw.

Described jam nut is characterized in that: establish at least one notch on the anchor ring of this end ring.

Described jam nut is characterized in that: the degree of depth curved in this end ring is for going deep into screw interior 1/3rd to 1/4th.

Described jam nut is characterized in that: this end ring top edge forms arc tips.

The utility model obviously has following excellent results:

1, with low cost, the moulding design by following whole integrated type need not any accessory and does filling or pressing positioning action, and not only cost of material is economized, and more can significantly reduce the generation of defective products rate, so can reach the purpose that manufacture cost significantly reduces.

2, same material straight forming, the locking extension or the processability of institute's tool can be consistent, and guarantee to improve the Security that locking is used.

3, Applicable scope can be done amplification more widely, by selecting same material for use, when nut body 10 can use, then because locking end ring 11 is the designs that belong to same material, to use with the locking on space or the device applicable to any acid-and base-resisting or high and low temperature etc. are special, need not to consider whether being suitable for of filling accessory, use elasticity bigger.

4, the speed of Sheng Chanzhizaoing is extremely rapid, the mould-forming of one is made, it can fully cooperate the machine by same facility or continuous production, do the continuous production of production line, can realize manufacturing the advantage of producing in batches rapidly, different sizes are done conversion by mould fully, get final product simple and easy moulding, the manufacturing technology vague generalization does not have the special technique manpower and relies on, and is that a jam nut that has innovation designs in fact.

Be further to understand structure of the present utility model, feature and practical purpose thereof below sincerely describe in detail as the back with the graphic cooperation of an embodiment:

Following with reference to accompanying drawing, describe embodiment of the present utility model in detail:

Fig. 1 (A), (B), (C) are jam nut moulding sequential schematic of the present utility model.

Fig. 2 is a jam nut locking floor map of the present utility model.

Jam nut of the present utility model, see also shown in Fig. 1 (A), whole jam nut, comprise a jam nut body 10, in direct extrusion forming, the default end ring 11 that protrudes on an end face of nut body 10, as Fig. 1 (B), (C) shown in, making distortion for actual curved arc needs easily, can on the anchor ring of end ring 11, establish and stay one or more notches 12, run through after flank of thread is attacked the type of making within the screw 13 in nut body 10 central authorities, cooperate again this nut body 10 is presented in the stock mould tool, do the punch forming of end ring 11 inside curved arcs or inclination with the punching press facility, increase design according to end ring 11 faces, make the interior ring edge degree of depth of punching out curved arc or inclination, usually can be deep in the screw 13 that nut body 10 central authorities run through 1/3rd to 1/4th the degree of depth, and for example shown in Figure 2, after making it can be for bolt shank 20 sealed, screw thread on the bolt shank 20 can be locked the end ring 11 arc edge that pass this curved arc or inclination, reach the operation of engaging locking, can slightly do according to the top edge of actual end ring 11 and to be whittled into tilted cone shape chamfering or sphaerocepharous arc tips, more laborsaving in the time of can making things convenient for bolt shank 20 locks to wear, and for the deep position of end ring 11 curved arcs, also can cooperate the conversion of ring plate thickness in fact and do more deep design, heal when thick by the ring plate thickness of slab, when then excessively going deep into as if its curved arc, not easy to operate in the time of can forming bolt shank 20 and lock assembling, and more may destroy whole tightening latch 20 outside thread faces by force during locking operation.

And with 11 settings of going up set groove mouth 12 of end ring, when it mainly makes whole end ring 11 punching out curved arcs operate, facility more can laborsavingly be operated, and can have the effectiveness that elasticity engaged when the lock dress suitably was provided concurrently, and design the jam nut that a kind of moulding is made with the utility model, it obviously has following plurality of advantages:

In sum, jam nut of the present utility model, it directly forms the end ring that increases of one in nut body end face, cooperate easy mould punching typing curved arc to be deep into the inner appropriate depth of sealed screw face, directly pass on the flank of thread that is sticked in tightening latch when making things convenient for bolt shank sealed, form the purpose of locking operation, simplification and locking practical effect with regard to its structure, big innovative design on the practical jam nut, more belong to a brand-new and easy jam nut product, with regard to its innovation, practical effect improvement design, the real important document that has met novel patent application is so file an application in accordance with the law.

Claims

1, a kind of jam nut includes a nut body, it is characterized in that: the end ring that is provided with protrusion in nut one end face; This end ring is to the inboard inclination curved arc shape that forms of screw.

2, jam nut as claimed in claim 1 is characterized in that: establish at least one notch on the anchor ring of this end ring.

3, jam nut as claimed in claim 1 is characterized in that: the degree of depth curved in this end ring is for going deep into screw interior 1/3rd to 1/4th.

4, jam nut as claimed in claim 1 is characterized in that: this end ring top edge forms arc tips.