CN210889658U

CN210889658U - Novel screw convenient to direction

Info

Publication number: CN210889658U
Application number: CN201921938746.1U
Authority: CN
Inventors: 杜鑫
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-06-30
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses a novel screw convenient to direction, including the screw main part, screw main part one end is equipped with the nut, and the other end is equipped with the guide post, has seted up on the nut and has supported the groove, is equipped with the screw thread in the screw main part, and screw main part specification is one of four kinds of screw specifications of M2, M2.5, M3 or M4, supports the groove main part and is the plum blossom type cell body, and guide post diameter specification is unanimous with screw main part diameter specification, and guide post height specification is one of 1.5mm or 2mm two kinds, and guide post processing diameter tolerance is between-0.1 mm to-0.2 mm. Compared with the prior art, the utility model the advantage lie in: the small screw thread sliding tooth rejection rate is reduced, the application range is wide, the machining tapping characteristic is fully utilized, the length space of the screw tooth is reasonably utilized, the situation of sliding tooth and breaking tooth can be guided and avoided, the structure is simple and exquisite, the appearance is attractive and elegant, and the service life is long.

Description

Novel screw convenient to direction

Technical Field

The utility model relates to an industrial apparatus field specifically indicates a novel screw convenient to direction.

Background

The nail refers to the screw, utilizes physics and mathematical principle of the inclined plane circular rotation and frictional force of the object, fastens the tool of the thing part step by step, the screw is the general saying of fastener, the daily oral wording, the metric screw thread is MM as the unit, its cusp is 60 degrees. Both american and english threads are in inches. The tooth tip angle of the american thread is also 60 degrees, while the tooth tip angle of the english thread is 55 degrees.

Although the specifications of the existing screw are various, the situation of inconvenient guiding generally exists, and therefore, a novel screw convenient to guide is designed imperatively.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that traditional screw structure is single, and the function is incomplete, appears the condition of smooth tooth, disconnected tooth often utilizing screwdriver or hexagon socket head direction, and the part is then changed to light, aggravates personnel's work load, and engineering cycle is delayed to heavy then, causes the waste of unnecessary resource and time.

In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides a novel screw convenient to direction, includes the screw main part, and screw main part one end is equipped with the nut, and the other end is equipped with the guide post, has seted up on the nut and has supported the groove, is equipped with the screw thread in the screw main part.

Compared with the prior art, the utility model the advantage lie in: (1) the rejection rate of the small screw thread sliding teeth is reduced, and particularly, the electric screwdriver locks the screw; (2) the application range is wide, the screw with the specification can be used in non-specific occasions, and particularly the screw thread on the structural part processed by the cnc is used; (3) the tapping characteristic of machining is fully utilized, and the length space of the screw teeth is reasonably utilized; (4) the screw can be guided relative to other screws on the market, and the purpose of guiding is to align the screw with the thread before the screw is screwed by a tool, so that the situation of sliding and tooth breaking caused by wrong screwing of the screw is reduced; (5) most suitable for radio frequency architectures.

As an improvement, the specification of the screw body is one of four screw specifications of M2, M2.5, M3 or M4.

As an improvement, the main body of the supporting groove is a quincunx groove body.

As an improvement, the diameter specification of the guide column is consistent with the diameter specification of the screw body.

As an improvement, the height specification of the guide post is 1.5mm or 2 mm.

As an improvement, the machining diameter tolerance of the guide post is between-0.1 mm and-0.2 mm.

Drawings

Fig. 1 is a schematic structural diagram of a novel screw convenient for guiding.

Fig. 2 is a schematic structural diagram of the first embodiment.

Fig. 3 is a schematic structural diagram of the second embodiment.

FIG. 4 is a schematic structural diagram of the third embodiment.

FIG. 5 is a schematic structural diagram of the fourth embodiment.

FIG. 6 is a schematic structural diagram of the fifth embodiment.

As shown in the figure: 1. the bolt comprises a bolt body, 2, a nut, 3, a support groove, 4, threads, 5 and a guide column.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model discloses when concrete implementation, a novel screw convenient to direction, including screw

main part

1, 1 one end of screw main part be equipped with nut 2, the other end is equipped with guide post 5, nut 2 on seted up and supported groove 3, screw main part 1 on be equipped with screw thread 4.

The specification of the screw body 1 is one of four screw specifications of M2, M2.5, M3 or M4.

The main body of the supporting groove 3 is a quincunx groove body.

The diameter specification of the guide post 5 is consistent with that of the screw main body 1.

The height specification of the guide post 5 is 1.5mm or 2 mm.

The machining diameter tolerance of the guide post 5 is between-0.1 mm and-0.2 mm.

The utility model discloses a theory of operation: guide post diameter is unanimous with screw main part diameter, highly divide into 1.5mm or 2mm two kinds, during the use, select with the utility model discloses support the screwdriver of groove specification looks adaptation, aim at the screwdriver front-end the utility model discloses a support the groove, will through the guide post the utility model discloses whole leading-in target screw hole, guide post surface is not equipped with the screw thread, can be convenient will the utility model discloses whole lead to target screw hole, through the thread engagement principle of screw thread and screw hole, will the utility model discloses whole installation is to target screw hole department.

The utility model discloses make full use of the machining and attacked tooth characteristic, rational utilization screw tooth length space, if processing drawing screw thread size is M2X5, programmer can bore 6-7MM deeply to the bottom hole degree of depth so in the course of working, why does so because the screw tap top also has the guide part. Under special conditions, the depth of the bottom hole is as deep as the size of the marked screw, the shoulder and the tip of the drill form a triangular figure according to the taper of the front end of the drill, and the height of the center line is calculated by a trigonometric function

Within this range, the heights of the center lines are different because the holes are different in size, so that two sets of proper cylinder heights are obtained through comprehensive verification.

The utility model discloses on the basis of standard screw, increased the guide body at the tail end of screw, the guide post size is the bottom hole size of this screw according to the screw specification change and change diameter size, if: the diameter of the M2 screw cylinder is phi 1.6mm, the tolerance is-0.1 mm to-0.2 mm, and the height of the guide post has two specifications, wherein the first specification is suitable for screws of M2 and M2.5, and the height of the guide post is 1.5 mm; the second gauge is a screw for M3 and M4, with a guide post height of 2 mm.

The utility model discloses the most suitable radio frequency structure that is used for, because radio frequency structure screw tooth is more and little, the product material generally is the aluminum product, and the screw tooth is the most fragile very easily in assembling process, and the most important reason of bad is that the screw is askew for twisting when the screw begins to twist, leads to smooth tooth.

The first embodiment is as follows: the utility model provides a novel screw convenient to direction, includes screw

main body

1, 1 one end of screw main body be equipped with nut 2, the other end is equipped with guide post 5, nut 2 on seted up and supported groove 3, screw main body 1 on be equipped with screw thread 4.

The main body of the supporting groove 3 is a quincunx groove body.

The height specification of the guide post 5 is 1.5mm or 2 mm.

The nut 2 of this embodiment is of a countersunk plum blossom configuration.

Example two: the utility model provides a novel screw convenient to direction, includes screw

main body

The main body of the supporting groove 3 is a quincunx groove body.

The height specification of the guide post 5 is 1.5mm or 2 mm.

The nut 2 of this embodiment is of a torx-head quincunx configuration.

Example three: the utility model provides a novel screw convenient to direction, includes screw

main body

The main body of the supporting groove 3 is a cross groove body.

The height specification of the guide post 5 is 1.5mm or 2 mm.

The nut 2 of this embodiment is of a cylinder head cross configuration.

Example four: the utility model provides a novel screw convenient to direction, includes screw

main body

The main body of the supporting groove 3 is a cross groove body.

The height specification of the guide post 5 is 1.5mm or 2 mm.

The nut 2 of this embodiment is of a countersunk cross configuration.

Example five: the utility model provides a novel screw convenient to direction, includes screw

main body

The main body of the supporting groove 3 is a hexagon socket groove body.

The height specification of the guide post 5 is 1.5mm or 2 mm.

The nut 2 of this embodiment is of a socket head hexagon socket configuration.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature, and in the description of the invention, "plurality" means two or more unless a limitation is explicitly stated.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may include, for example, fixed connections, detachable connections, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.

Claims

1. A novel screw convenient to direction, includes screw main part (1), its characterized in that: screw main part (1) one end be equipped with nut (2), the other end is equipped with guide post (5), nut (2) on seted up and support groove (3), screw main part (1) on be equipped with screw thread (4).

2. The novel screw convenient for guiding as claimed in claim 1, wherein: the specification of the screw main body (1) is one of four screw specifications of M2, M2.5, M3 or M4.

3. The novel screw convenient for guiding as claimed in claim 1, wherein: the main body of the supporting groove (3) is a quincunx groove body.

4. The novel screw convenient for guiding as claimed in claim 1, wherein: the diameter specification of the guide column (5) is consistent with that of the screw main body (1).

5. The novel screw convenient for guiding as claimed in claim 1, wherein: the height specification of the guide post (5) is 1.5mm or 2 mm.

6. The novel screw convenient for guiding as claimed in claim 1, wherein: the machining diameter tolerance of the guide column (5) is between-0.1 mm and-0.2 mm.