CN213478883U - Multi-head screw - Google Patents

Abstract

The utility model discloses a multi-head screw, including hexagon nut and bolt main part, hexagon nut below fixed mounting has the bolt main part, and the bolt main part is with hexagon nut formula structural design as an organic whole, and the hexagon socket head cap groove has been seted up to the hexagon nut upper surface, and the cross heavy groove has been seted up to hexagon socket head cap groove bottom central point position, beneficial effect: through including the hexagonal inslot be provided with the heavy groove of cross, the heavy groove accessible cross screwdriver of cross through setting up presss from both sides tightly it, there is adjusting bolt through threaded through hole threaded connection in hexagon nut four corners department, when adjusting bolt is whole to be screwed up, an interior octagonal groove can be constituteed at four adjusting bolt tops, thereby interior octagonal groove through setting up can be applicable to interior octagonal spanner and use, this kind of structural design's bull screw, can be applicable to interior hexagonal barrel spanner, interior hexagonal spanner, cross screwdriver and interior octagonal spanner are screwed up and are used, applicable in multiple reinforcement tool, application range is extensive, high performance.

Description

Multi-head screw

Technical Field

The utility model relates to a screw technical field specifically is a bull screw.

Background

The screw is a common fastener widely used in machinery, electrical appliances and buildings, is generally made of metal or plastic, is cylindrical, is called as a thread by a groove with concave and convex surfaces engraved on the surface, can only adapt to a single screw tool in the fastening process of the existing screw, and has a single structure and poor use performance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bull screw to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multi-head screw, includes hexagon nut and bolt main part, hexagon nut below fixed mounting has the bolt main part, bolt main part and hexagon nut formula structural design as an organic whole, interior hexagonal groove has been seted up to the hexagon nut upper surface, interior hexagonal groove bottom central point puts and has seted up the cross heavy groove.

Preferably, threaded through holes are formed in the inner walls of the four corners of the hexagonal nut, each threaded through hole is internally connected with an adjusting bolt in a threaded mode, and an adjusting nut is fixedly mounted at the top end of each adjusting bolt.

Preferably, the adjusting bolt and the adjusting nut are designed into an integrally formed structure.

Preferably, the outer wall of the bolt main part is provided with external threads.

Preferably, the hexagon nut and bolt main part is made of alloy steel materials.

Preferably, the top ends of the four adjusting bolts jointly form an inner octagonal groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the normal use of this screw can be guaranteed through the bolt main part that sets up, and the nut through the bolt main part adopts hexagonal structural design simultaneously to accessible allen key fastens it and presss from both sides tightly, through being provided with interior hexagonal groove on the nut, can be applicable to interior hexagonal key through the interior hexagonal groove that sets up and step up the use.

2. Through including being provided with the heavy groove of cross in the hexagonal groove, the heavy groove accessible cross screwdriver of cross through setting up presss from both sides tightly it, has adjusting bolt through having through screw through-hole threaded connection at hexagonal nut four corners department, when adjusting bolt is whole screwed up, an interior octagonal groove can be constituteed at four adjusting bolt tops to eight angular groove uses in can being applicable to through the interior octagonal groove that sets up.

3. To sum up, this kind of structural design's bull screw can be applicable to interior hexagonal barrel spanner, interior hexagonal spanner, cross screwdriver and interior eight corners spanner and screw up the use, and applicable in multiple reinforcement tool, application range is extensive, and performance is strong.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic top view of the hexagonal nut of the present invention;

fig. 3 is a schematic view of the cross sink structure of the present invention.

In the figure: 1. a hexagonal nut; 2. an inner hexagonal groove; 3. a threaded through hole; 4. an inner octagonal groove; 5. adjusting the bolt; 6. adjusting the screw cap; 7. a cross sink groove; 8. a bolt main part; 9. and (4) externally cutting threads.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a multi-head screw, including hexagon nut 1 and bolt main part 8, 1 below fixed mounting of hexagon nut has bolt main part 8, the nut adopts hexagonal formula structural design, thereby accessible allen key fastens it, bolt main part 8 and 1 formula structural design as an organic whole of hexagon nut, hexagon socket 2 has been seted up to 1 upper surface of hexagon nut, hexagon socket 2 can be applicable to the hexagon socket key through the interior hexagonal groove that sets up and step up the use, 2 bottom central point in hexagon socket puts and has seted up the heavy groove 7 of cross, 7 accessible cross screwdrivers through the heavy groove of cross that sets up press from both sides it tightly.

In the present embodiment, the adjusting bolt 5 and the adjusting nut 6 are designed as an integral structure.

In the embodiment, the bolt main part 8 is provided with the external thread 9 on the outer wall, and the external thread 9 can ensure the normal use of the bolt main part 8.

In the present embodiment, the hexagon nut 1 and the bolt main member 8 are made of alloy steel material, so that the overall hardness of the multi-head screw can be improved.

In the present embodiment, the four adjusting bolts 5 together form the inner octagonal groove 4 at the top end. Thereby being suitable for the inner octagonal wrench to clamp.

When in use, the screw can be used by a person skilled in the art through a conventional method, the normal use of the screw can be ensured through the arranged bolt main part 8, meanwhile, the nut of the bolt main part 8 adopts a hexagonal structure design, so that the hexagonal nut can be fastened and clamped by an inner hexagonal socket wrench, and by arranging an inner hexagonal groove 2 on the hexagonal nut 1, the inner hexagonal groove 2 can be suitable for the inner hexagonal wrench to be used for tightening, the cross-shaped sinking groove 7 is arranged in the inner hexagonal groove 2, the screw can be tightened by a cross screwdriver through the arranged cross sink 7, the four corners of the hexagonal nut 1 are connected with adjusting bolts 5 through the threaded through holes 3, when the adjusting bolts 5 are all screwed, the tops of the four adjusting bolts 5 can form an inner octagonal groove 4, so that the inner octagonal groove 4 can be suitable for an inner octagonal wrench to use.

Wherein, it should be noted that, when tightening this screw through an inner hexagonal socket spanner, adjusting bolt 5 at the four corners of hexagonal nut 1 need to be dismantled to alright guarantee that an inner hexagonal socket blocks smoothly in hexagonal nut 1, provide performance.

To sum up, this kind of structural design's bull screw can be applicable to interior hexagonal barrel spanner, interior hexagonal spanner, cross screwdriver and interior eight corners spanner and screw up the use, and applicable in multiple reinforcement tool, application range is extensive, and performance is strong.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a multi-head screw, its characterized in that includes hexagon nut (1) and bolt main part (8), hexagon nut (1) below fixed mounting has bolt main part (8), bolt main part (8) and hexagon nut (1) formula structural design as an organic whole, interior hexagonal groove (2) have been seted up to hexagon nut (1) upper surface, cross heavy groove (7) have been seted up to interior hexagonal groove (2) bottom central point position.

2. A multi-start screw as defined in claim 1, wherein: threaded through holes (3) are formed in the inner walls of the four corners of the hexagonal nut (1), each threaded through hole (3) is internally connected with an adjusting bolt (5) in a threaded mode, and an adjusting nut (6) is fixedly mounted at the top end of each adjusting bolt (5).

3. A multi-start screw as defined in claim 2, wherein: the adjusting bolt (5) and the adjusting nut (6) are designed into an integrated structure.

4. A multi-start screw as defined in claim 1, wherein: and the outer wall of the bolt main part (8) is provided with external threads (9).

5. A multi-start screw as defined in claim 1, wherein: the hexagonal nut (1) and the bolt main part (8) are made of alloy steel materials.

6. A multi-start screw as defined in claim 2, wherein: the top ends of the four adjusting bolts (5) form an inner octagonal groove (4) together.

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