CN212775108U - Novel round-head screw - Google Patents

Abstract

The utility model discloses a novel round head screw, including spiral shell head, linking end and screw rod, the screw rod is integrated into one piece with the spiral shell head, it gomphosis is on the spiral shell head to link up the end, be equipped with the gomphosis groove on the spiral shell head, be equipped with spacing hole on the both sides inner wall in gomphosis groove, it is equipped with cross gomphosis groove on the linking end, the both sides in cross gomphosis groove are equipped with the sliding tray, be equipped with the slip post in the sliding tray, the both sides of slip post are equipped with first spacing knot, it is equipped with the gomphosis knot to link up end bottom, the gomphosis is detained both sides and. The screw of this screw adopts circular structure, and when the dismouting, the dismouting of screw is realized to the mode that can the gomphosis links up the end, after the dismouting, will link up the end take away can, circular screw can't be dismantled through traditional screw extracting tool, the effectual security that improves the screw has also strengthened the protection to article when providing locking to article.

Description

Novel round-head screw

Technical Field

The utility model relates to a screw equipment technical field specifically is a novel button head screw.

Background

Screws are commonly used in machinery, electrical appliances, buildings, etc., and are generally made of metal or plastic, and are cylindrical, and grooves with concave and convex surfaces engraved thereon are called threads. The primary function of the screw is to engage two objects or to fix the position of an object. The screws are typically removable or re-tightenable at will without loss of efficiency.

Present screw is mostly cross screw and a word screw, and the screw of this type can carry out the dismouting through corresponding assembly and disassembly tools, to some special article, stolen risk appears easily, therefore traditional screw though can realize fixing, nevertheless lacks certain security.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a novel round head screw, it is fixed though can realizing to have solved traditional screw, nevertheless lacks certain security to be directed against prior art not enough.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a novel round-head screw, includes spiral shell head, links up end and screw rod, the screw rod is integrated into one piece with the spiral shell head, it is overhead in the spiral shell to link up the end gomphosis, be equipped with the gomphosis groove on the spiral shell head, be equipped with spacing hole on the both sides inner wall in gomphosis groove, it is equipped with cross gomphosis groove on the end of linking, the both sides in cross gomphosis groove are equipped with the sliding tray, be equipped with the slip post in the sliding tray, the both sides of slip post are equipped with first spacing knot, it is equipped with the gomphosis knot to link up end bottom, the gomphosis is detained both sides and is equipped with the through hole, the inside slide that is equipped with of gomphosis knot, slide and sliding tray intercommunication are equipped with spacing post in the slide, the inner wall that spring and slide.

Preferably, the inner walls of the two sides of the sliding groove are provided with first limiting sliding grooves, and the first limiting sliding grooves are connected with the first limiting buckles in an embedded mode.

Preferably, the two sides of the inner slide way of the embedded buckle are provided with second limiting grooves, and the second limiting grooves are connected with the second limiting buckles in an embedded mode.

Preferably, the limiting column and the sliding column are of an integrated structure, and the embedding structures of the limiting column and the limiting hole are the same and correspond in position.

Preferably, the both ends of spring are equipped with the spring stationary blade respectively, spring stationary blade one end is fixed with spacing post, and the other end is fixed with the inner wall of slide.

Preferably, the engagement end is the same size as the screw head.

(III) advantageous effects

The utility model provides a novel round head screw. The method has the following beneficial effects:

the screw of this screw adopts circular structure, when the dismouting, the dismouting of screw is realized to the mode that can the gomphosis link up the end, during the dismouting, only need accomodate spacing post through the slip post, detain the gomphosis and imbed to the gomphosis inslot, under the effect of spring, spacing post can with the spacing hole gomphosis locking on the gomphosis inslot wall, drive the rotation that links up the end through the relevant instrument of screw, can realize the dismouting to the screw, after the dismouting, will link up the end tak away can, circular shape screw can't dismantle through traditional screw extracting tool, the effectual security that has improved the screw, the protection to article has also been strengthened when providing locking to article.

Drawings

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

FIG. 2 is a schematic view of the screw head structure of the present invention;

FIG. 3 is a schematic view of the connection end structure of the present invention;

fig. 4 is a schematic view of the sliding column structure of the present invention.

In the figure, a screw head-1, a connecting end-2, a screw rod-3, a cross embedding groove-4, a sliding groove-5, a sliding column-6, an embedding groove-7, a limiting hole-8, an embedding buckle-9, a through hole-10, a limiting column-11, a first limiting buckle-12, a spring-13 and a second limiting buckle-14.

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. 1-4, an embodiment of the present invention provides a technical solution: a novel round-head screw comprises a screw head 1, a connecting end 2 and a screw rod 3, wherein the screw rod 3 and the screw head 1 are of an integrated structure, the connecting end 2 is embedded in the screw head 1, an embedding groove 7 is arranged on the screw head 1, limiting holes 8 are arranged on the inner walls of two sides of the embedding groove 7, a cross embedding groove 4 is arranged on the connecting end 2, sliding grooves 5 are arranged on two sides of the cross embedding groove 4, a sliding column 6 is arranged in the sliding groove 5, first limiting buckles 12 are arranged on two sides of the sliding column 6, an embedding buckle 9 is arranged at the bottom of the connecting end 2, through holes 10 are arranged on two sides of the embedding buckle 9, a slide way is arranged inside the embedding buckle 9 and communicated with the sliding grooves 5, a limiting column 11 is arranged in the slide way, one end of the limiting column 11 is connected with the inner wall of the slide way through a spring 13, and the other end of the limiting column, and second limit buckles 14 are arranged on two sides of the limit column 11.

And first limiting sliding grooves are formed in the inner walls of the two sides of the sliding groove 5 and are connected with the first limiting buckles 12 in an embedded mode. First spacing spout and first spacing knot provide spacingly to the slip of slip post.

And second limiting grooves are arranged on two sides of the slide way in the embedded buckle 9 and are connected with the second limiting buckle 14 in an embedded manner. The second limiting groove and the second limiting buckle limit the sliding of the limiting column.

The limiting column 11 and the sliding column 6 are of an integrated structure, and the embedding structures of the limiting column 11 and the limiting hole 8 are the same and correspond in position. The structure consistency is ensured by the limiting column and the sliding column of the integrated structure.

Spring fixing pieces are respectively arranged at two ends of the spring 13, one end of each spring fixing piece is fixed with the limiting column 11, and the other end of each spring fixing piece is fixed with the inner wall of the slide way. The spring realizes elastic connection of the limiting column and realizes the stretching of the limiting column.

The size of the connecting end 2 is the same as that of the screw head 1. The consistency of the integral structure of the connecting end and the screw head is ensured.

The working principle is as follows: when the screw nail is disassembled and assembled, the embedded buckle 9 at the bottom of the connecting end head 2 is embedded into the embedded groove 7 on the screw head 1 and is embedded into the same, the sliding columns 6 at the two sides of the sliding cross-shaped embedding groove 4 drive the limiting column 11 through the sliding columns 6, the limiting column 11 stretches under the action of the spring 13, the embedding of the connecting end 2 can be realized, after the embedding, the connecting end 2 is rotated, so that the positions of the limiting columns 11 at the two sides of the embedding buckle 9 correspond to the positions of the limiting holes 8 at the two sides of the embedding groove 7, at the moment, the limiting columns 6 are under the action of the spring 13, so that the limit post 6 is embedded in the limit hole 8 to limit and lock the connecting end 2, and is embedded into the cross embedding groove 4 of the connecting end 2 through a cross disassembling tool, can accomplish the dismouting to the screw nail, after the dismouting, once more through removing sliding column 6 for spacing post 11 and spacing hole 8 separation will link up end 2 separation can.

The utility model relates to a screw head 1, a linking end 2, a screw rod 3, a cross-shaped embedding groove 4, a sliding groove 5, a sliding column 6, an embedding groove 7, a limit hole 8, an embedding buckle 9, a through hole 10, a limit column 11, a first limit buckle 12, a spring 13, a second limit buckle 14, all of which are universal standard parts or parts known by technicians in the field, the structure and principle of which are known by technicians through technical manuals or conventional experimental methods, the utility model solves the problem that the traditional screws can be fixed but lack certain safety, the screw mouth of the screw adopts a circular structure, and can be fixed by embedding the linking end, and during disassembly and assembly, the disassembly and assembly can be realized by only storing the limit column through the sliding column, embedding the embedding buckle into the embedding groove, under the action of the spring, spacing post can be locked with spacing hole gomphosis on the gomphosis inslot wall, drives the rotation that links up the end through the relevant instrument of screw, can realize the dismouting to the screw nail, after the dismouting, will link up the end tak away can, the circular shape screw-socket can't be dismantled through traditional screw extracting tool, the effectual security that improves the screw, also strengthened the protection to article when providing locking to article.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a novel button head screw which characterized in that: the screw rod (3) and the screw head (1) are of an integrated structure, the connecting end (2) is embedded in the screw head (1), an embedding groove (7) is formed in the screw head (1), limiting holes (8) are formed in the inner walls of the two sides of the embedding groove (7), a cross-shaped embedding groove (4) is formed in the connecting end (2), sliding grooves (5) are formed in the two sides of the cross-shaped embedding groove (4), a sliding column (6) is arranged in the sliding groove (5), first limiting buckles (12) are arranged on the two sides of the sliding column (6), embedding buckles (9) are arranged at the bottom of the connecting end (2), through holes (10) are formed in the two sides of the embedding buckles (9), a sliding way is arranged in the embedding buckles (9), the sliding way is communicated with the sliding groove (5), and a limiting column (11) is arranged in the sliding way, spacing post (11) one end passes through spring (13) and links up with the inner wall of slide, the other end and through hole (10) through connection, spacing post (11) both sides are equipped with spacing knot of second (14).

2. A novel round head screw according to claim 1, characterized in that: and the inner walls of the two sides of the sliding groove (5) are provided with first limiting sliding grooves, and the first limiting sliding grooves are connected with first limiting buckles (12) in an embedded mode.

3. A novel round head screw according to claim 1, characterized in that: and second limiting grooves are arranged on two sides of the slide way in the embedded buckle (9), and the second limiting grooves are embedded and connected with the second limiting buckles (14).

4. A novel round head screw according to claim 1, characterized in that: the limiting column (11) and the sliding column (6) are of an integrated structure, and the embedding structures of the limiting column (11) and the limiting hole (8) are the same and correspond in position.

5. A novel round head screw according to claim 1, characterized in that: the both ends of spring (13) are equipped with the spring stationary blade respectively, spring stationary blade one end is fixed with spacing post (11), and the other end is fixed with the inner wall of slide.

6. A novel round head screw according to claim 1, characterized in that: the connecting end (2) is the same as the screw head (1) in size.

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