CN211550213U

CN211550213U - Anti-loosening bolt

Info

Publication number: CN211550213U
Application number: CN201922234275.2U
Authority: CN
Inventors: 黄旭
Original assignee: Shanghai Huayu Metal Co ltd
Current assignee: Shanghai Huayu Metal Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-09-22
Anticipated expiration: 2029-12-12

Abstract

The utility model relates to an anti-loosening bolt, it includes the bolt body, the bolt body includes integrated into one piece's nut, screw thread portion is located one side of nut, screw thread portion includes cylinder, double-screw bolt, the cylinder is located between nut, the double-screw bolt, and nut, cylinder, the coaxial setting of double-screw bolt, one side of double-screw bolt has been seted up and has been extended to the opposite side and be planar grooving along double-screw bolt axis direction. The utility model discloses have the effect that makes things convenient for the bolt to lock the object.

Description

Anti-loosening bolt

Technical Field

The utility model relates to a bolt, more specifically say, it relates to an anti-loosening bolt.

Background

The bolt is a mechanical part, a cylindrical threaded fastener. A fastener consisting of a head and a screw (a cylinder with external threads) needs to be matched with a threaded object and is used for fastening and connecting two parts with through holes.

In the existing design, chinese patent No. CN2252908 discloses an anti-theft bolt, wherein a locking hole is formed in a threaded section of the bolt along a longitudinal direction and biased to an outer side, and a locking pin is engaged with the locking hole; the locking hole is a U-shaped groove (or V-shaped groove), and the cross section of the locking pin matched with the locking hole is rectangular (or triangular).

The prior art scheme has the following defects that the anti-theft bolt has high precision on the locking hole and the locking pin, and causes inconvenience in object locking in the using process.

SUMMERY OF THE UTILITY MODEL

To the technical problem that exists among the prior art, the utility model aims at providing an anti-loosening bolt, it has the effect that makes things convenient for the bolt to lock the object.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides an anti-loosening bolt, includes the bolt body, the bolt body includes integrated into one piece's nut, screw thread portion is located one side of nut, screw thread portion includes cylinder, double-screw bolt, the cylinder is located between nut, the double-screw bolt, and nut, cylinder, the coaxial setting of double-screw bolt, one side of double-screw bolt is seted up and is extended to the opposite side and be planar grooving along double-screw bolt axis direction.

Through the technical scheme, offer on the double-screw bolt and be planar grooving, the grooving is easily processed, when fixing the object, offer the post hole with cylinder looks adaptation on the object, the object is worn in proper order on the bolt body, the object is kept away from one side of nut and is offered the cotter way relative with the grooving, when fixing the object, the cotter way is just right with the grooving, the cotter is inserted between grooving and cotter way, the opposite face and grooving, the cotter way of cotter contradict, the object is fixed with the bolt body, prevent not hard up of bolt body.

The utility model discloses further set up to: the shape of the cylinder is cylindrical.

Through above-mentioned technical scheme, the columniform cylinder is seted up on the object with the post hole of cylinder looks adaptation, has reduced the manufacturing procedure on the object surface, can assemble the object fast simultaneously.

The utility model discloses further set up to: the cylinder is cuboid.

Through above-mentioned technical scheme, the cylinder of cuboid form has seted up the post hole of cylinder looks adaptation on the object, and when the object overlaps on the cylinder, the object can not rotate on the bolt body, further fixes the object, prevents that the object from rotating at the locking in-process.

The utility model discloses further set up to: the nut is cylindrical in shape.

Through above-mentioned technical scheme, cylindric nut makes things convenient for in the hand gripping to the nut, fixes and dismantles the bolt body.

The utility model discloses further set up to: the side face of the nut is provided with anti-skid protrusions protruding out of the side face of the nut.

Through above-mentioned technical scheme, the side of nut is equipped with the non-slip raised in the nut side of protrusion, and the non-slip raised sets up, effectively prevents the phenomenon of skidding of hand to nut application of force in-process, and the convenience is fixed the bolt body and is dismantled in the use hand.

The utility model discloses further set up to: and one side of the nut, which is far away from the thread part, is provided with a wrench groove.

Through above-mentioned technical scheme, the nut is kept away from one side of screw thread portion and has been seted up the spanner groove, and convenient in the use, spanner and spanner groove cooperation increase the arm of force of rotating the bolt body, are convenient for fix and dismantle the object easily.

The utility model discloses further set up to: the nut is hexagonal prism shaped.

Through above-mentioned technical scheme, the shape of nut is hexagonal prism, and convenient in the use, spanner and nut cooperation increase the arm of force of rotating the bolt body, are convenient for fix and dismantle the object easily.

The utility model discloses further set up to: the surface of the nut is coated with a paint coating.

The utility model discloses further set up to: the stud is arranged at the tip of one side far away from the nut.

Through above-mentioned technical scheme, the screw cap was kept away from to the double-screw bolt one side prong setting, and when the bolt was convenient for bore the screw hole to the object, the waste material was discharged from the gap between grooving and the object.

Through above-mentioned technical scheme, the coating with lacquer layer prevents effectively that nut and air from contacting, plays the effect of isolation air, prevents that the air from carrying out the oxidation to the nut, plays the effect of protection to the nut, helps prolonging the life of bolt body.

To sum up, the utility model discloses following beneficial effect has:

1. the stud body is provided with a cutting groove, the cutting groove is easy to process, when an object is fixed, the object is provided with a column hole matched with the column body, the object sequentially penetrates through the stud body, one side of the object, away from the nut, is provided with a pin groove opposite to the cutting groove, when the object is fixed, the pin groove is opposite to the cutting groove, the pin is inserted between the cutting groove and the pin groove, the opposite surface of the pin is abutted against the cutting groove and the pin groove, and the object is fixed with the stud body to prevent the stud body from loosening;

2. the bolt body is provided with a rectangular cylinder, the cylinder is provided with a cylinder hole matched with the cylinder, and when the cylinder is sleeved with the object, the object cannot rotate on the bolt body, so that the object is further fixed and prevented from rotating in the locking process;

3. the screw bolt is far away from the tip of one side of nut and sets up, and when the bolt was bored the screw hole to the object, the waste material was discharged from the gap between grooving and the object.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a schematic sectional view of example 1;

FIG. 3 is an exploded view of the embodiment 1 in use;

FIG. 4 is a schematic structural view of embodiment 2;

FIG. 5 is a schematic structural view of example 3;

FIG. 6 is a schematic structural view of example 4;

FIG. 7 is a schematic structural view of example 5;

fig. 8 is an exploded view of the use state of example 5.

Reference numerals: 1. a bolt body; 11. a nut; 12. a threaded portion; 121. a cylinder; 122. a stud; 1221. grooving; 1222. chamfering; 2. coating a paint layer; 3. anti-skid projections; 4. a wrench groove; 5. a fixing member; 51. a circular hole; 52. a rectangular parallelepiped hole; 6. a fastener; 61. a pin slot; 7. a pin; 8. a pointed tip.

Detailed Description

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

Embodiment 1, an anti-loosening bolt, combine fig. 1 and fig. 2, including bolt body 1, bolt body 1 includes integrative casting forming's nut 11 and screw thread portion 12, the shape of nut 11 is the cylinder, it fixes bolt body 1 on mounting 5 to make things convenient for in the gripping of hand, screw thread portion 12 includes cylinder 121 and double-screw bolt 122, the shape of cylinder 121 is the cylinder, cylinder 121 is located between double-screw bolt 122 and the nut 11, and the coaxial setting of three, the external diameter of double-screw bolt 122 is less than the diameter of cylinder 121, one side fillet setting that cylinder 121 is close to double-screw bolt 122, be convenient for bolt body 1 to insert in mounting 5.

The bolt body 1 is made of stainless steel materials, the stainless steel materials are excellent in physical properties and chemical properties, excellent in structural strength and corrosion resistance, and the bolt body 1 is not prone to being damaged in the using process and can well fix the fixing piece 5.

Combine fig. 2 and fig. 3, the side of nut 11 and the side coating of keeping away from double-screw bolt 122 have a coating of coating 2, and a side that nut 11 is close to double-screw bolt 122 is used for laminating with mounting 5, the setting of coating 2, and coating 2 prevents effectively that nut 11 from contacting with the air, plays the effect of keeping apart the air, prevents that the air from carrying out the oxidation to nut 11, plays the effect of protection to nut 11, helps prolonging the life of bolt body 1.

Referring to fig. 2 and 3, the bolt 122 is disposed away from the chamfer 1222 on the side of the nut 11, so that the bolt body 1 can be placed into the fixing element 5 to be locked, and the fixing element 5 can be locked; a planar cutting groove 1221 is formed by turning one side of the stud 122, which is far away from the nut 11, the cutting groove 1221 extends from one side of the stud 122 to the other side along the axial direction of the stud 122, the cutting groove 1221 is easy to machine, when the fixing member 5 is fixed, a circular hole 51 matched with the cylinder 121 is formed in the fixing member 5, and the bolt body 1 penetrates through the circular hole 51 of the fixing member 5;

the thickness of mounting 5 is greater than the length of cylinder 121, be provided with on the bolt body 1 with double-screw bolt 122 screw-thread fit's fastener 6, cotter way 61 has been seted up to fastener 6's thickness direction, cotter way 61 is linked together with fastener 6's screw hole, be provided with in the cotter way 61 with cotter way 61 matched with round pin post 7, when fixing mounting 5, mounting 5 contradicts with nut 11, mounting 5 contradicts with fastener 6, and cotter way 61 is just right with grooving 1221, round pin post 7 is inserted between grooving 1221 and cotter way 61, the opposite face and grooving 1221 of round pin post 7, cotter way 61 contradicts, can prevent the not hard up of bolt body 1, play fine fixed to mounting 5.

The working principle of the embodiment 1 is as follows:

bolt body 1 penetrates behind the mounting 5 and carries out screw-thread fit with fastener 6, fix mounting 5, nut 11 contradicts with mounting 5, mounting 5 contradicts with fastener 6, and grooving 1221 is just relative with cotter way 61, and the round pin axle inserts grooving 1221 and cotter way 61 in, fixes bolt body 1, mounting 5, fastener 6, prevents that bolt body 1 from producing not hard up in the use, guarantees bolt body 1 and fastener 6's fixed effect.

Embodiment 2, a locking bolt, combine fig. 4, the difference characteristic with embodiment 1 is: one side of the nut 11, which is far away from the stud 122, is provided with a wrench groove 4, the wrench is in a hexagon shape, so that in the using process, the wrench is matched with the wrench groove 4, the force arm of the rotating bolt body 1 is increased, and the bolt body 1, the fixing part 5 and the fastening part 6 can be fixed and detached easily.

Embodiment 3, a locking bolt, combine fig. 5, the difference characteristic with embodiment 1 is: the nut 11 is in a regular hexagonal prism shape, so that in the using process, the wrench is matched with the nut 11 to increase the force arm for rotating the bolt body 1, and the bolt body 1, the fixing piece 5 and the fastening piece 6 can be fixed and detached easily.

Embodiment 4, a locking bolt, combine fig. 6, the difference characteristic with embodiment 1 is: the shape of nut 11 is the cylinder, the side integrated into one piece of nut 11 has the non slipping spur 3 of protrusion in the nut 11 side, the setting of non slipping spur 3 effectively prevents the phenomenon of skidding of hand to the nut 11 application of force in-process, it is convenient to use the hand to fix and dismantle bolt body 1, stud 122 is kept away from one side prong 8 setting of nut 11, when the bolt of being convenient for drills the screw thread to fastener 6, the waste material is discharged from the gap between grooving 1221 and fastener 6.

Embodiment 5, a locking bolt, combine fig. 7 and 8, the difference with embodiment 1 is characterized in that: the shape of cylinder 121 is the cuboid form, the cuboid hole 52 with cylinder 121 looks adaptation is seted up on the mounting 5, bolt body 1 inserts behind the cuboid hole 52 of mounting 5, carry out screw-thread fit with fastener 6, rotate mounting 5 or fastener 6, make mounting 5, fastener 6, bolt body 1, the three is fixed, after fixed, the setting of round pin post 7, prevent not hard up of bolt body 1 and fastener 6, mounting 5 can not rotate on bolt body 1 simultaneously, further fix mounting 5, prevent that mounting 5 from rotating at the locking in-process.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a locking bolt that moves, includes bolt body (1), bolt body (1) includes integrated into one piece's nut (11), screw thread portion (12) are located one side of nut (11), its characterized in that: the threaded portion (12) comprises a column body (121) and a stud (122), the column body (121) is located between the nut (11) and the stud (122), the nut (11), the column body (121) and the stud (122) are coaxially arranged, and a cutting groove (1221) which extends to the other side along the axis direction of the stud (122) and is planar is formed in one side of the stud (122).

2. The anti-loosening bolt according to claim 1, wherein: the cylinder (121) is cylindrical in shape.

3. The anti-loosening bolt according to claim 1, wherein: the cylinder (121) is rectangular.

4. The anti-loosening bolt according to claim 2, wherein: the nut (11) is cylindrical in shape.

5. The anti-loosening bolt according to claim 4, wherein: the side surface of the nut (11) is provided with an anti-skid bulge (3) which is protruded out of the side surface of the nut (11).

6. The anti-loosening bolt according to claim 4, wherein: and a wrench groove (4) is formed in one side, away from the threaded part (12), of the nut (11).

7. The anti-loosening bolt according to claim 2, wherein: the nut (11) is hexagonal prism shaped.

8. The anti-loosening bolt according to claim 7, wherein: the stud (122) is far away from a pointed end (8) at one side of the nut (11).

9. The anti-loosening bolt according to claim 1, wherein: the surface of the nut (11) is coated with a paint coating (2).