CN214888266U - Hexagonal locking bolt - Google Patents

Abstract

The utility model discloses a hexagonal locking bolt, including the bolt body, the bolt body includes disc spare, hexagonal spare and cylinder spare, hexagonal spare fixed connection is on disc spare terminal surface down, cylinder spare fixed connection is on hexagonal spare terminal surface down, bolt body up end middle part department has seted up a groove, No. two grooves have been seted up to a groove lower extreme is fixed, No. two grooves lower extreme is fixed and has been seted up No. three grooves, No. three grooves lower extreme is fixed and has been seted up No. four grooves, the fixed joint gasket that is provided with in terminal surface middle part department under the hexagonal spare, terminal surface and cylinder spare up end junction are provided with the connecting piece under the joint gasket, be provided with the anti-rust cladding material on the cylinder spare outer wall. The utility model discloses in, this hexagonal locking bolt device surface does not have defects such as burr, closed angle and crackle, and it is durable to have stable in structure, and the leakproofness is good, multiple advantages such as anti-corrosion ability reinforce.

Description

Hexagonal locking bolt

Technical Field

The utility model relates to a machine part technical field especially relates to a hexagonal locking bolt.

Background

The manual transmission is a speed change device and is used for changing the rotating speed and the torque transmitted to a driving wheel by an engine, so that the automobile obtains different traction forces and speeds under various working conditions such as original starting, climbing, turning, accelerating and the like, and the engine works in a more favorable working condition range; a special bolt is needed to facilitate the installation of the manual transmission during production and installation of the manual transmission.

However, the existing bolt is generally simple in structure and cannot meet the installation requirement, and therefore a hexagonal locking bolt is provided for the installation requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the hexagonal locking bolt that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a hexagonal locking bolt, includes the bolt body, the bolt body includes disc spare, hexagonal and cylinder spare, hexagonal fixed connection is on disc spare down the terminal surface, cylinder spare fixed connection is on hexagonal under the terminal surface, bolt body up end middle part department has seted up a groove, No. two grooves have been seted up to a groove lower extreme is fixed, No. two grooves lower extreme is fixed and has been seted up No. three grooves, No. four grooves have been seted up to No. three groove lower extreme is fixed, the fixed joint gasket that is provided with in terminal surface middle part department under the hexagonal, terminal surface and cylinder spare up end junction are provided with the connecting piece under the joint gasket, be provided with the anti-rust cladding material on the cylinder spare outer wall.

As a further description of the above technical solution:

the cylinder piece is provided with first cambered surface on being close to the lower extreme outer wall, first cambered surface radius is 3 mm.

As a further description of the above technical solution:

the outer wall of the connecting pad is provided with a second cambered surface, and the radius of the second cambered surface is 3 mm.

As a further description of the above technical solution:

the connecting piece outer wall is provided with the third cambered surface, third cambered surface radius is 0.5 mm.

As a further description of the above technical solution:

the diameter of the first groove is larger than that of the third groove, and the first groove and the third groove are both of cylindrical structures.

As a further description of the above technical solution:

the first groove, the second groove, the third groove and the fourth groove are arranged in a penetrating mode.

As a further description of the above technical solution:

and a pre-coating layer is arranged on the inner wall of the third groove close to the upper end.

As a further description of the above technical solution:

the fourth groove is in a conical structure.

The utility model discloses following beneficial effect has:

1. the utility model provides a pair of hexagonal locking bolt has strengthened the stability of cylinder spare through setting up the connection pad, has strengthened this hexagonal locking bolt device overall structure's shock resistance characteristic.

2. The utility model provides a pair of hexagonal locking bolt, through set up the anti-rust cladding material on cylinder outer wall, strengthen the holistic anti-corrosion ability of this hexagonal locking bolt device, prevent to lead to the bolt to go wrong because of the corrosion.

3. The utility model provides a hexagonal locking bolt, through setting up the precoating and precoating P85 thread glue on this layer, can prevent effectively that threaded connection from becoming flexible, wait to form tough plastic glue membrane in the screw thread clearance after the glue solidification, make the screw locking can not become flexible; the hexagonal locking bolt device has the characteristics of sealing and leakage prevention, improves the overall durability of the hexagonal locking bolt device, and is stable and reliable.

4. The utility model provides a pair of hexagonal locking bolt, this hexagonal locking bolt device surface defect such as burr, closed angle and crackle have stable in structure durable, and the leakproofness is good, multiple advantages such as anti-corrosion ability reinforce.

Drawings

Fig. 1 is a schematic perspective view of a hexagonal locking bolt according to the present invention;

fig. 2 is a schematic view of an internal structure of a hexagonal locking bolt provided by the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is a top view of the hexagonal locking bolt provided by the present invention.

Illustration of the drawings:

1. a bolt body; 2. a disc member; 3. a hexagonal piece; 4. a cylindrical member; 401. a first arc surface; 5. a first groove; 6. a second groove; 7. a third groove; 8. a fourth groove; 9. pre-coating; 10. a connecting pad; 1001. a second arc surface; 11. a connecting member; 1101. a third cambered surface; 12. and (5) rust-resistant plating.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, 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 in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a hexagonal locking bolt, including bolt body 1, bolt body 1 includes disc spare 2, hexagonal 3 and cylinder 4, 3 fixed connection of hexagonal on the terminal surface under disc spare 2, 4 fixed connection of cylinder on the terminal surface under hexagonal 3, 1 up end middle part department of bolt body has seted up a groove 5, No. two grooves 6 have been seted up to 5 lower extremes in a groove, No. two grooves 6 lower extremes are fixed and have been seted up No. three grooves 7, No. four grooves 8 have been seted up to 7 lower extremes in No. three grooves, the fixed bonding pad 10 that is provided with in terminal surface middle part department under the hexagonal 3, terminal surface and 4 up end junction of cylinder are provided with connecting piece 11 under the bonding pad 10, be provided with anti-rust cladding material 12 on the 4 outer walls of cylinder.

A first cambered surface 401 is arranged on the outer wall of the cylindrical member 4 close to the lower end, the radius of the first cambered surface 401 is 3mm, a second cambered surface 1001 is arranged on the outer wall of the connecting pad 10, the radius of the second cambered surface 1001 is 3mm, a third cambered surface 1101 is arranged on the outer wall of the connecting piece 11, the radius of the third cambered surface 1101 is 0.5mm, the stress concentration of the bolt body 1 can be reduced and the stability is enhanced by arranging a plurality of cambered surfaces, the diameter of the first groove 5 is larger than that of the third groove 7, the two are in cylindrical structures, the first groove 5, the second groove 6, the third groove 7 and the fourth groove 8 are arranged in a run-through manner, the inner wall of the third groove 7 close to the upper end is provided with a precoating layer 9, P85 thread glue is precoated in the precoating layer 9, can prevent effectively that threaded connection is not hard up, wait to form tough plastic glue membrane in the screw thread clearance after the glue solidification, make screw locking not become flexible, improve the leakproofness in the inslot, No. four groove 8 is conical structure.

The working principle is as follows: the utility model provides a hexagonal locking bolt, this bolt body 1 is through dividing into disc spare 2, hexagonal 3 and 4 triplexs of cylinder spare, and set up a groove 5 in inside, No. two grooves 6, No. three grooves 7 and No. four grooves 8, and set up precoating 9 in No. three grooves 7, and precoating P85 thread glue in precoating 9, can prevent effectively that threaded connection is not hard up, wait to form tough plasticity glued membrane in the screw thread clearance after the glue solidification, make screw locking can not become flexible, through at 1 surperficial application trivalent zinc-nickel alloy of bolt body, it can observe bolt body 1 still not have the red rust appearance after longer time to carry out the salt spray test, through setting up the shock resistance that bonding pad 10 can effectively improve bolt body 1 in the position department of connecting at hexagonal 3 and cylinder 4, strengthen the stability of bolt.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (8)

1. The utility model provides a hexagonal locking bolt, includes bolt body (1), its characterized in that: bolt body (1) is including disc spare (2), hexagonal (3) and cylinder (4), hexagonal (3) fixed connection is on disc spare (2) terminal surface down, cylinder (4) fixed connection is on hexagonal (3) terminal surface down, bolt body (1) up end middle part department has seted up groove (5), groove (5) lower extreme is fixed and has been seted up No. two groove (6), No. three groove (7) have been fixed and have been seted up to No. two groove (6) lower extreme, No. four groove (8) have been fixed to No. three groove (7) lower extreme, terminal surface middle part department is fixed and is provided with connection pad (10) under hexagonal (3), terminal surface and cylinder (4) up end junction are provided with connecting piece (11) under connection pad (10), be provided with anti-rust cladding material (12) on cylinder (4) outer wall.

2. A hexagonal locking bolt according to claim 1, characterized in that: the cylindrical part (4) is provided with a first cambered surface (401) on the outer wall close to the lower end, and the radius of the first cambered surface (401) is 3 mm.

3. A hexagonal locking bolt according to claim 1, characterized in that: the outer wall of the connecting pad (10) is provided with a second cambered surface (1001), and the radius of the second cambered surface (1001) is 3 mm.

4. A hexagonal locking bolt according to claim 1, characterized in that: the outer wall of the connecting piece (11) is provided with a third cambered surface (1101), and the radius of the third cambered surface (1101) is 0.5 mm.

5. A hexagonal locking bolt according to claim 1, characterized in that: the diameter of the first groove (5) is larger than that of the third groove (7), and the first groove and the third groove are both of cylindrical structures.

6. A hexagonal locking bolt according to claim 1, characterized in that: the first groove (5), the second groove (6), the third groove (7) and the fourth groove (8) are arranged in a penetrating mode.

7. A hexagonal locking bolt according to claim 1, characterized in that: and a pre-coating layer (9) is arranged on the inner wall of the third groove (7) close to the upper end.

8. A hexagonal locking bolt according to claim 1, characterized in that: the fourth groove (8) is of a conical structure.

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