CN217713246U - Novel bolt of detachable - Google Patents

Abstract

The utility model discloses a detachable novel bolt, which comprises a bolt main body, wherein the bottom of the bolt main body is provided with a limiting column, the bottom of the limiting column is provided with a connecting column, the outer side of the connecting column is provided with an expansion sleeve, the bottom of the connecting column is provided with an expansion cylinder, the top of the outer side of the bolt main body is provided with a nut, and the outer side of the nut is symmetrically provided with locking bolts; the utility model discloses an adopt the structural design of combination dismantlement formula, make expansion cylinder assemble with the spliced pole, thereby make bolt main part whole when assembling the atress, can extrude expansion sleeve through spacing post, thereby promote expansion sleeve and carry out the displacement, through this structure, the length of expansion sleeve major structure has been shortened, thereby the problem that the atress is inhomogeneous and warp when having avoided the assembly, also support expansion sleeve through spacing post simultaneously, thereby inside the mounting hole is gone into in the better drive expansion sleeve assembly.

Description

Novel bolt of detachable

Technical Field

The utility model relates to a bolt technical field specifically is the novel bolt of detachable.

Background

Bolt: mechanical parts, the cylindrical threaded fastener of adapted nut, bolt in daily life and in the middle of the industrial production manufacturing, are rare, and the bolt is also known as the industry rice, and it is extensive to see the application of bolt, and the application range of bolt has: the bolt is also useful in building assembly, electronic products, mechanical products, digital products, electrical equipment, electromechanical products, ships, vehicles, hydraulic engineering, and even chemical experiments.

Present bolt kind is according to the demand of in-service use, thereby also different, current expansion bolts is more representative, the mode that current expansion bolts structure mostly adopts bolt main part and expansion pipe to combine, but because the bottom of bolt main part is from taking expansion structure, make expansion pipe structure longer, what nevertheless expansion pipe main part adopted is the toughness material, thereby at the in-process of assembly, receive the extrusion damage easily, and then influence subsequent inflation, when current bolt and nut location simultaneously, the not hard up condition appears in long-time the use easily, and then need can fix a position the structure of locking.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel bolt of detachable to propose the structural design that current expansion bolts adopted the integral type among the solution above-mentioned background art, thereby make the expansion pipe structure longer, lack the holding power when the assembly, damage easily, the easy not hard up problem between its bolt and the nut simultaneously.

In order to achieve the above purpose, the utility model provides a following technical scheme: novel bolt of detachable, including the bolt main part, the bottom of bolt main part is provided with spacing post, the bottom of spacing post is provided with the spliced pole, the outside of spliced pole is provided with expansion sleeve, the bottom of spliced pole is provided with the expansion cylinder body, the top in the bolt main part outside is provided with the nut, the outside symmetry of nut is provided with locking bolt, the inside of bolt main part outer wall is established the symmetry and is provided with the locking groove, and locking bolt and locking groove adaptation of each other.

Preferably, the expansion casing pipe is symmetrically provided with expansion grooves on the outer side, is made of tough steel and is provided with the expansion grooves, so that the expansion function of the expansion casing pipe is realized.

Preferably, the one end that the expansion cylinder is close to the spliced pole is provided with connecting bolt, the inside of spliced pole bottom is provided with the spread groove, and spread groove and connecting bolt threaded connection, through spread groove and connecting bolt to guarantee the stable connection between expansion cylinder and the spliced pole.

Preferably, the locking bolt runs through the nut and extends to the inboard of nut and with the outer wall laminating of bolt main part, the inside of nut is provided with the internal thread with locking bolt looks adaptation, through being provided with the internal thread, has guaranteed that locking bolt can with the nut adaptation.

Preferably, the outer side of the bolt main body is coated with an anti-corrosion coating, the bolt main body, the limiting column and the connecting column are manufactured by adopting an integral forming process, and the anti-corrosion coating is arranged to improve the corrosion resistance of the bolt main body.

Preferably, the diameter of the top of the expansion cylinder is smaller than that of the bottom of the expansion cylinder, and the inner wall of the expansion casing can be squeezed through the change of the diameter.

Compared with the prior art, the beneficial effects of the utility model are that: the detachable novel bolt;

1. through the structural design who adopts the combination dismantlement formula, make the inflation cylinder assemble with the spliced pole, thereby make bolt main part whole when assembling the atress, can extrude expansion sleeve through spacing post, thereby promote expansion sleeve and carry out the displacement, through this structure, the length of expansion sleeve major structure has been shortened, thereby the problem that the atress is inhomogeneous and warp when having avoided the assembly, also support expansion sleeve through spacing post simultaneously, thereby inside better drive expansion sleeve assembles into the mounting hole.

2. The locking bolt is arranged on the outer side of the nut, and the position of the nut and the position of the bolt main body are positioned through the matching of the locking bolt and the locking groove, so that the nut can be prevented from loosening.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front exploded cross-sectional view of the present invention;

fig. 3 is an enlarged schematic view of the structure of the expansion casing of fig. 1 according to the present invention.

In the figure: 1. a bolt body; 2. a nut; 3. locking the bolt; 4. a locking groove; 5. a limiting post; 6. expanding the casing; 7. an expansion cylinder; 8. connecting columns; 9. connecting grooves; 10. an expansion tank; 11. and connecting the bolts.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: a novel detachable bolt comprises a bolt body 1, wherein a limiting column 5 is arranged at the bottom of the bolt body 1, a connecting column 8 is arranged at the bottom of the limiting column 5, an expansion sleeve 6 is arranged at the outer side of the connecting column 8, expansion grooves 10 are symmetrically arranged at the outer side of the expansion sleeve 6, the expansion sleeve 6 is made of tough steel, the expansion function of the expansion sleeve 6 is realized by arranging the expansion grooves 10, an expansion cylinder 7 is arranged at the bottom of the connecting column 8, the diameter of the top of the expansion cylinder 7 is smaller than that of the bottom of the expansion cylinder 7, the inner wall of the expansion sleeve 6 can be extruded through the change of the diameter, a connecting bolt 11 is arranged at one end, close to the connecting column 8, of the expansion cylinder 7, a connecting groove 9 is arranged inside the bottom of the connecting column 8, and the connecting groove 9 is in threaded connection with the connecting bolt 11, through spread groove 9 and connecting bolt 11, thereby guarantee the stable connection between expansion cylinder 7 and the spliced pole 8, the top in the bolt main part 1 outside is provided with nut 2, the outside symmetry of nut 2 is provided with locking bolt 3, locking bolt 3 runs through nut 2 and extends to the inboard of nut 2 and laminates with the outer wall of bolt main part 1, the inside of nut 2 is provided with the internal thread with locking bolt 3 looks adaptation, through being provided with the internal thread, it can with nut 2 adaptation to have guaranteed that locking bolt 3 can, the inside of bolt main part 1 outer wall is established the symmetry and is provided with locking groove 4, and locking bolt 3 and locking groove 4 adaptation of each other, the outside of bolt main part 1 scribbles the anticorrosion coating, bolt main part 1, spacing post 5 and spliced pole 8 adopt integrated into one piece technology to make, through being provided with the anticorrosion coating, improve its corrosion resistance.

The working principle is as follows: the device is when using, through the outside with nut 2 assembly at bolt main part 1, and then establish the outside at spliced pole 8 through the expansion sleeve 6 cover, the threaded connection through connecting bolt 11 and spread groove 9 of expansion cylinder 7 one end this moment, thereby assemble expansion cylinder 7 and spliced pole 8 into an organic whole, and then put into the hole of seting up bolt main part 1 wholly, at the in-process of assembly, receive external extrusion force through bolt main part 1, make spacing post 5 promote expansion sleeve 6 and carry out the displacement, can provide the support to expansion sleeve 6 through spacing post 5, thereby improve the degree of depth of expansion sleeve 6 displacement, further twist and move nut 2 and drive bolt main part 1 whole outside displacement, the extrusion of tail end through expansion cylinder 7 to expansion sleeve 6 this moment, thereby make expansion sleeve 6 inflation and the inner wall extrusion of hole, thereby realize expanded function, and then through screwing up locking bolt 3, make locking bolt 3 and locking groove 4 carry out the adaptation, thereby can fix a position bolt main part 1 and nut 2, the not hard up possibility of nut 2 has been avoided.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, rather than to 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 invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, for example, as either a fixed connection or a detachable connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Claims (6)

1. Novel bolt of detachable, including bolt main part (1), its characterized in that: the bottom of bolt main part (1) is provided with spacing post (5), the bottom of spacing post (5) is provided with spliced pole (8), the outside of spliced pole (8) is provided with expansion sleeve (6), the bottom of spliced pole (8) is provided with expansion cylinder body (7), the top in the bolt main part (1) outside is provided with nut (2), the outside symmetry of nut (2) is provided with locking bolt (3), the inside of bolt main part (1) outer wall is established the symmetry and is provided with locking groove (4), and locking bolt (3) and locking groove (4) adaptation of each other.

2. The new bolt of claim 1, which is detachable, characterized in that: expansion grooves (10) are symmetrically formed in the outer side of the expansion sleeve (6), and the expansion sleeve (6) is made of tough steel.

3. The detachable novel bolt according to claim 1, characterized in that: one end of the expansion cylinder body (7) close to the connecting column (8) is provided with a connecting bolt (11), the inside of the bottom of the connecting column (8) is provided with a connecting groove (9), and the connecting groove (9) is in threaded connection with the connecting bolt (11).

4. The new bolt of claim 1, which is detachable, characterized in that: the locking bolt (3) penetrates through the nut (2) and extends to the inner side of the nut (2) and is attached to the outer wall of the bolt main body (1), and an internal thread matched with the locking bolt (3) is arranged inside the nut (2).

5. The new bolt of claim 1, which is detachable, characterized in that: the outer side of the bolt main body (1) is coated with an anti-corrosion coating, and the bolt main body (1), the limiting column (5) and the connecting column (8) are manufactured by adopting an integrated forming process.

6. The new bolt of claim 1, which is detachable, characterized in that: the diameter of the top of the expansion cylinder (7) is smaller than that of the bottom of the expansion cylinder (7).

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