CN209977028U

CN209977028U - Bolt

Info

Publication number: CN209977028U
Application number: CN201920520781.5U
Authority: CN
Inventors: 邱权海
Original assignee: Wenzhou Dijin Auto Parts Co Ltd
Current assignee: Wenzhou Dijin Auto Parts Co Ltd
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2020-01-21
Anticipated expiration: 2029-04-17

Abstract

The utility model discloses a bolt, which comprises a bolt body, corrosion-resistant paint, waterproof paint, an outer oil layer, a nut, a bulge, a knurl, a reinforcing base, a spring washer, a large washer, a connecting piece, a reinforcing rib, a screw rod, an external thread, a central hole, a strip-shaped groove, a screw, a mounting hole and an oil filling hole, wherein the corrosion-resistant paint is sprayed on the outer surface of the bolt body, the waterproof paint is sprayed on the outer surface of the waterproof paint, the outer oil layer is smeared on the outer surface of the waterproof paint, the nut is arranged at the top of the bolt body, the groove is arranged in the middle of the top of the nut, the mounting hole is arranged in the middle of the groove, the screw is arranged at the top of the mounting hole, the oil filling hole is arranged at the bottom of the mounting hole, the bottom, the utility model discloses, structural strength is high, long service life, and convenient the dismantlement fastens effectually.

Description

Bolt

Technical Field

The utility model relates to a bolt technical field specifically is a bolt.

Background

The bolt is a mechanical part, the cylindrical threaded fastener of adapted nut, a class of fastener of compriseing head and screw rod two parts, need cooperate with the nut, be used for the fastening connection two parts that have the through-hole, this kind of connection form is called bolted connection, if screw nut from the bolt, can make these two parts separate again, so bolted connection belongs to and can dismantle the connection, bolt structural strength among the prior art is not high, lead to the bolt fracture easily in the twisting of bolt, influence the life of bolt, simultaneously, current bolt is difficult for dismantling, fastening effect is not good, influence the use of bolt, therefore, it is very necessary to design a bolt.

SUMMERY OF THE UTILITY MODEL

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

In order to solve the technical problem, the utility model provides a following technical scheme: a bolt comprises a bolt body, corrosion-resistant paint, waterproof paint, an outer oil layer, a nut, a protrusion, knurls, a reinforcing base, a spring washer, a large washer, a connecting piece, a reinforcing rib, a screw rod, an external thread, a central hole, a strip-shaped groove, a screw, a mounting hole and an oil filling hole, wherein the corrosion-resistant paint is sprayed on the outer surface of the bolt body, the waterproof paint is sprayed on the outer surface of the waterproof paint, the outer oil layer is smeared on the outer surface of the waterproof paint, the nut is arranged at the top of the bolt body, the groove is formed in the middle of the top of the nut, the mounting hole is formed in the middle of the groove, the screw is arranged at the top of the mounting hole, the oil filling hole is arranged at the bottom of the mounting hole, the bottom of the nut is fixedly connected with the top of the, the connecting piece is installed at the bottom of the large washer, the bottom of the connecting piece is fixedly connected with the top of the screw rod, external threads are uniformly arranged in the circumferential direction of the surface of the screw rod, a central hole is formed in the middle of the bottom of the screw rod, and strip-shaped grooves are formed in the outer side of the central hole at equal angles.

Furthermore, knurling is formed in the circumferential direction of the surface of the nut.

Furthermore, the angle between the strip-shaped grooves is 90 degrees, and one end of the strip-shaped groove is positioned at the position of the external thread.

Furthermore, the top surface of the nut is uniformly provided with bulges.

Furthermore, the oil injection hole penetrates through the middle of the screw rod and is of a matching structure with the central hole.

Furthermore, reinforcing ribs are uniformly arranged on the connecting pieces.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the corrosion-resistant paint, the waterproof coating and the outer oil layer are matched, so that the corrosion resistance and the waterproof effect of the bolt body are improved, the matching of the reinforcing ribs on the base and the connecting piece is enhanced, the structural strength of the bolt body is improved, and the service life of the bolt body is prolonged; lubricating oil enters the central hole through the oil injection hole and overflows from the strip-shaped groove to lubricate the screw rod, so that the bolt body is convenient to disassemble; the spring washer is matched with the large washer, so that the bolt body is installed more tightly, and the use of the bolt is facilitated.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a bolt body of the present invention;

FIG. 2 is a schematic structural view of the outer coating of the present invention;

fig. 3 is a cross-sectional view of the bolt body of the present invention;

FIG. 4 is a schematic view of the nut structure of the present invention;

fig. 5 is a schematic view of the structure of the central hole of the present invention;

in the figure: 1. a bolt body; 2. corrosion-resistant paint; 3. waterproof paint; 4. an outer oil layer; 5. a nut; 6. a protrusion; 7. knurling; 8. a reinforcing base; 9. a spring washer; 10. a large washer; 11. a connecting member; 12. reinforcing ribs; 13. a screw; 14. an external thread; 15. a central bore; 16. a strip-shaped groove; 17. a groove; 18. a screw; 19. mounting holes; 20. and an oil filling hole.

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. 1-5, the present invention provides a technical solution: a bolt comprises a bolt body 1, corrosion-resistant paint 2, waterproof paint 3, an outer oil layer 4, a nut 5, a protrusion 6, knurls 7, a reinforcing base 8, a spring washer 9, a large washer 10, a connecting piece 11, a reinforcing rib 12, a screw 13, external threads 14, a central hole 15, a strip-shaped groove 16, a groove 17, a screw 18, a mounting hole 19 and an oil filling hole 20, wherein the corrosion-resistant paint 2 is sprayed on the outer surface of the bolt body 1, the waterproof paint 3 is sprayed on the outer surface of the corrosion-resistant paint 2, the outer oil layer 4 is smeared on the outer surface of the waterproof paint 3, the nut 5 is arranged at the top of the bolt body 1, the knurls 7 are formed in the circumferential direction of the surface of the nut 5, the friction force of the nut 5 is increased; the top surface of the screw cap 5 is uniformly provided with the bulges 6, so that the wear-resisting effect of the screw cap 5 is improved; a mounting hole 19 is formed in the middle of the groove 17, a screw 18 is mounted at the top of the mounting hole 19, an oil filling hole 20 is formed in the bottom of the mounting hole 19, the bottom of the nut 5 is fixedly connected with the top of the reinforcing base 8, a spring washer 9 is arranged at the bottom of the reinforcing base 8, a large washer 10 is arranged at the bottom of the spring washer 9, a connecting piece 11 is mounted at the bottom of the large washer 10, reinforcing ribs 12 are uniformly arranged on the connecting piece 11, and the structural strength of the connecting piece 11 is improved; the bottom of the connecting piece 11 is fixedly connected with the top of the screw rod 13, external threads 14 are uniformly arranged on the surface of the screw rod 13 in the circumferential direction, a central hole 15 is formed in the middle of the bottom of the screw rod 13, strip-shaped grooves 16 are arranged on the outer side of the central hole 15 at equal angles, the angle between the strip-shaped grooves 16 is 90 degrees, and one end of each strip-shaped groove 16 is positioned at the position of the external thread 14, so that lubricating oil can be conveniently led out; the oil filling hole 20 penetrates through the middle of the screw 13 and is in a matching structure with the central hole 15, so that lubricating oil can flow conveniently; the corrosion-resistant paint 2, the waterproof coating 3 and the outer oil layer 4 on the outer side of the bolt body 1 are matched, so that the corrosion resistance and the waterproof effect of the bolt body 1 are improved, the structural strength of the bolt body 1 is further improved through the reinforcing base 8 and the reinforcing ribs 12 on the connecting piece 11, and the service life of the bolt body is prolonged; the screw 18 is rotated to be taken out, lubricating oil is injected into the oil injection hole 20, the lubricating oil enters the central hole 15 through the oil injection hole 20 and further overflows from the strip-shaped groove 16, the lubricating effect of the screw 13 is improved, and the bolt body 1 is convenient to disassemble; spring washer 9 and big packing ring 10 cooperate for the fastening more of bolt body 1 installation, the annular knurl 7 of nut 5 circumferencial direction increases the frictional force of nut 5, and the installation and the dismantlement of the bolt body 1 of being convenient for are favorable to the use of bolt.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a bolt, includes bolt body (1), corrosion-resistant paint (2), water proof coating (3), outer oil reservoir (4), nut (5), arch (6), annular knurl (7), strengthen base (8), spring washer (9), big packing ring (10), connecting piece (11), strengthening rib (12), screw rod (13), external screw thread (14), centre bore (15), strip type groove (16), recess (17), screw (18), mounting hole (19) and oil filler point (20), its characterized in that: the outer surface spraying of bolt body (1) has corrosion-resistant paint (2), the outer surface spraying of corrosion-resistant paint (2) has water proof coating (3), outer oil reservoir (4) have been paintd to the surface of water proof coating (3), the top of bolt body (1) is provided with nut (5), set up recess (17) in the middle of the top of nut (5), mounting hole (19) have been seted up in the middle of recess (17), screw (18) are installed at mounting hole (19) top, mounting hole (19) bottom is provided with oil filler point (20), the bottom of nut (5) and the top fixed connection who strengthens base (8), the bottom of strengthening base (8) is provided with spring washer (9), the bottom of spring washer (9) is provided with big packing ring (10), connecting piece (11) are installed to the bottom of big packing ring (10), the bottom of the connecting piece (11) is fixedly connected with the top of the screw rod (13), external threads (14) are uniformly arranged in the circumferential direction of the surface of the screw rod (13), a central hole (15) is formed in the middle of the bottom of the screw rod (13), and strip-shaped grooves (16) are formed in the outer side of the central hole (15) at equal angles.

2. A bolt according to claim 1, wherein: knurling (7) are formed in the circumferential direction of the surface of the nut (5).

3. A bolt according to claim 1, wherein: the angle between the strip-shaped grooves (16) is 90 degrees, and one end of each strip-shaped groove (16) is positioned at the position of the external thread (14).

4. A bolt according to claim 1, wherein: the top surface of the screw cap (5) is uniformly provided with bulges (6).

5. A bolt according to claim 1, wherein: the oil filling hole (20) penetrates through the middle of the screw rod (13) and is of a matching structure with the central hole (15).

6. A bolt according to claim 1, wherein: reinforcing ribs (12) are uniformly arranged on the connecting piece (11).