CN213298532U

CN213298532U - High-strength bolt

Info

Publication number: CN213298532U
Application number: CN202021993504.5U
Authority: CN
Inventors: 王甫斌; 费后昌
Original assignee: Jinhu Yuanjing Machinery Co ltd
Current assignee: Jinhu Yuanjing Machinery Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-05-28
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses a high strength bolt, including the spiral shell lid, the bottom fixedly connected with screw rod of spiral shell lid, the cavity has been seted up to the inside of screw rod, the bottom fixedly connected with mobile jib of screw rod inner chamber, the inner wall fixedly connected with foam metal filler block of screw rod, the outside cover of mobile jib is equipped with the adapter sleeve, the three backup pad of outside fixedly connected with of adapter sleeve, and adjacent interval is the equidistance design between the three backup pad. This high strength bolt, through the design of anti rust coating and anti-oxidant coating, make this device have good rust-resistant and anti-oxidant function, make this device in long-term use, the condition of rustting and oxidation can not appear yet, through the design of copper plate and aluminizing layer, the ductility and the toughness of this device have been strengthened, make the fatigue resistance of this device can obtain improving, make this device more durable, life is longer, through the design of foam metal filler block and backup pad, the bearing capacity of this device has been strengthened.

Description

High-strength bolt

Technical Field

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

Background

Bolt: mechanical parts, cylindrical threaded fasteners fitted with nuts. A fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut and is used for fastening and connecting two parts with through holes. This form of connection is known as a bolted connection. If the nut is unscrewed from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection.

Bolts are often used in life. However, the existing bolt has many disadvantages when in use, one is that the bolt is easy to rust, slide and oxidize, and the other is that the fatigue strength and the bearing strength of the bolt are low, so that the bolt is easy to break when being disassembled and assembled, the bolt cannot be normally disassembled, great inconvenience is brought to a user, and the use requirement of the user cannot be met. To this end, we propose a high strength bolt.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high strength bolt, when using to propose current bolt in solving above-mentioned background art, it itself has a lot of shortcomings, the one of which, the bolt very easily appears rustting, the condition of smooth silk and oxidation, its two, the antifatigue strength and the load intensity of bolt are lower, lead to the bolt when the dismouting, the cracked condition very easily appears, make the unable normal dismantlement of bolt, bring very big inconvenience for the user, can not satisfy the problem of user's user demand already.

In order to achieve the above object, the utility model provides a following technical scheme: a high-strength bolt comprises a screw cap, wherein a screw rod is fixedly connected to the bottom of the screw cap, a cavity is formed in the screw rod, a main rod is fixedly connected to the bottom of an inner cavity of the screw rod, a foam metal filling block is fixedly connected to the inner wall of the screw rod, a connecting sleeve is sleeved on the outer portion of the main rod, three supporting plates are fixedly connected to the outer portion of the connecting sleeve, adjacent intervals among the three supporting plates are designed to be equal distances, the outer wall of the connecting sleeve is fixedly connected with the foam metal filling block, a protective layer is fixedly connected to the outer surface of the screw rod, a cavity is formed in the protective layer, a wear-resistant fiber layer is fixedly connected to the top of the inner cavity of the protective layer, an antirust coating is fixedly connected to the bottom of the antirust coating, an antioxidant coating is fixedly connected to, the bottom fixedly connected with copper plate of oil stain prevention layer, the bottom fixedly connected with layer of aluminizing of copper plate.

Preferably, the top of the screw cap is provided with a wrench clamping groove, and the wrench clamping groove and the screw cap are designed integrally.

Preferably, the top of the main rod is fixedly connected with the top of the inner cavity of the screw, and the foam metal filling block is cylindrical.

Preferably, the connecting sleeve is fixedly connected with the main rod, and the connecting sleeve is cylindrical.

Preferably, one end of the support plate, which is far away from the connecting sleeve, penetrates through the foam metal filling block and extends into the screw, and the support plate is fixedly connected with the screw.

Preferably, the outer surface of the screw is provided with threads, and the threads and the screw are integrally designed.

Compared with the prior art, the beneficial effects of the utility model are that: the high-strength bolt has good antirust and antioxidant functions through the design of the antirust coating and the antioxidant coating, so that the device can not be rusted and oxidized in long-term use, the ductility and toughness of the device are enhanced through the design of the copper plating layer and the aluminum plating layer, the fatigue resistance of the device is improved, the device is more durable and has longer service life, the bearing performance of the device is enhanced through the design of the foam metal filling block and the supporting plate, the supporting plate is designed into a triangular structure, the stability is good, the force applied to the device can be equally divided, the device can not be broken due to uneven local stress, the performance of the device is enhanced through the matching use of the structures, and the device is more firm and durable, brings convenience to users, improves the practicability of the device and meets the use requirements of the users.

Drawings

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

FIG. 2 is a top sectional view of the screw of the present invention;

fig. 3 is a cross-sectional view of the protective layer of the present invention;

fig. 4 is a front sectional view of the screw of the present invention.

In the figure: 1. a screw cap; 2. a screw; 3. a main rod; 4. a foam metal filling block; 5. connecting sleeves; 6. a support plate; 7. a protective layer; 8. a wear-resistant fiber layer; 9. an antirust coating; 10. an oxidation resistant coating; 11. an oil stain resistant layer; 12. plating a copper layer; 13. plating an aluminum layer; 14. a wrench slot; 15. and (4) screw teeth.

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, the present invention provides a technical solution: a high-strength bolt comprises a screw cap 1, a screw rod 2 is fixedly connected to the bottom of the screw cap 1, a cavity is formed in the screw rod 2, a main rod 3 is fixedly connected to the bottom of the inner cavity of the screw rod 2, a foam metal filling block 4 is fixedly connected to the inner wall of the screw rod 2, a connecting sleeve 5 is sleeved outside the main rod 3, three supporting plates 6 are fixedly connected to the outside of the connecting sleeve 5, adjacent intervals among the three supporting plates 6 are designed to be equidistant, the outer wall of the connecting sleeve 5 is fixedly connected with the foam metal filling block 4, a protective layer 7 is fixedly connected to the outer surface of the screw rod 2, a cavity is formed in the protective layer 7, a wear-resistant fiber layer 8 is fixedly connected to the top of the inner cavity of the protective layer 7, an antirust coating 9 is fixedly connected to the bottom of the wear-resistant fiber layer 8, an antioxidant coating, the bottom of the oil stain prevention layer 11 is fixedly connected with a copper plating layer 12, and the bottom of the copper plating layer 12 is fixedly connected with an aluminum plating layer 13.

The utility model discloses in: the top of the screw cap 1 is provided with a wrench clamping groove 14, and the wrench clamping groove 14 and the screw cap 1 are integrally designed; through the arrangement of the wrench clamping groove 14, a user can conveniently disassemble the device.

The utility model discloses in: the top of the main rod 3 is fixedly connected with the top of the inner cavity of the screw rod 2, and the foam metal filling block 4 is cylindrical; the force applied to the screw 2 can be borne by the main rod 3.

The utility model discloses in: the connecting sleeve 5 is fixedly connected with the main rod 3, and the connecting sleeve 5 is cylindrical; through the arrangement of the connecting sleeve 5, the supporting plate 6 is fixed.

The utility model discloses in: one end of the support plate 6, which is far away from the connecting sleeve 5, penetrates through the foam metal filling block 4 and extends into the screw rod 2, and the support plate 6 is fixedly connected with the screw rod 2; with the arrangement of the support plate 6, the force to which the screw 2 is subjected can be dispersed.

The utility model discloses in: the outer surface of the screw rod 2 is provided with a thread 15, and the thread 15 and the screw rod 2 are designed integrally; the screw thread 15 is used for locking with a screw groove on the nut.

The working principle is as follows: the device adopts the modes of spraying and coating on the outside of the screw rod 2, the wear-resistant fiber layer 8, the antirust coating 9, the antioxidant coating 10, the oil-resistant coating 11, the copper-coated layer 12 and the aluminum-coated layer 13 are attached to the outer surface of the screw rod 2, so that a protective layer is formed on the surface of the screw rod 2, and the performance of the device is enhanced by utilizing the excellent material and chemical properties of the material, so that the device has good wear-resistant, antirust, antioxidant, oil-resistant and fatigue-resistant properties, when the device is connected with an object, the object exerts pressure on the device, and is dispersed by the supporting plate 6 with the triangular design in the screw rod 2, so that the stress among all parts of the screw rod 2 is balanced, the pressure resistance of the screw rod 2 is increased, the screw rod 2 is not easy to break, and the resonance force generated when the screw rod 2 and the object are screwed or collided can be absorbed through the arrangement of the foam metal filling block, keeping the structure in the screw 2 stable.

In summary, the following steps: the high-strength bolt has good antirust and antioxidant functions through the design of the antirust coating 9 and the antioxidant coating 10, so that the device can not be rusted and oxidized in long-term use, the ductility and the toughness of the device are enhanced through the design of the copper plating layer 12 and the aluminum plating layer 13, the fatigue resistance of the device is improved, the device is more durable and has longer service life, the bearing performance of the device is enhanced through the design of the foam metal filling block 4 and the supporting plate 6, the supporting plate 6 is designed into a triangular structure, the high-strength bolt has good stability, the force applied to the device can be equally divided, the occurrence of the condition of fracture caused by uneven local stress can be avoided, the performance of the device is enhanced from various aspects through the matching use of the structures, and the device is more durable, the bolt has the advantages that convenience is brought to a user, practicability of the device is improved, and using requirements of the user are met, so that the problem that the using requirements of the user cannot be met is solved.

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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high strength bolt, includes spiral shell lid (1), its characterized in that: the bottom fixedly connected with screw rod (2) of spiral shell lid (1), the cavity has been seted up to the inside of screw rod (2), the bottom fixedly connected with mobile jib (3) of screw rod (2) inner chamber, the inner wall fixedly connected with foam metal filler block (4) of screw rod (2), the outside cover of mobile jib (3) is equipped with adapter sleeve (5), the three backup pad of outside fixedly connected with (6) of adapter sleeve (5), and adjacent interval between three backup pad (6) designs for the equidistance, the outer wall and the foam metal filler block (4) fixed connection of adapter sleeve (5), the surface fixedly connected with inoxidizing coating (7) of screw rod (2), the cavity has been seted up to the inside of inoxidizing coating (7), the top fixedly connected with wear-resistant fiber layer (8) of inoxidizing coating (7) inner chamber, the bottom fixedly connected with anti rust coating (9) of wear-resistant fiber layer (, the bottom fixedly connected with anti-oxidation coating (10) of anti-rust coating (9), the bottom fixedly connected with anti-oil stain layer (11) of anti-oxidation coating (10), the bottom fixedly connected with copper plate (12) of anti-oil stain layer (11), the bottom fixedly connected with layer of aluminizing (13) of copper plate (12).

2. A high strength bolt according to claim 1, wherein: the top of the screw cap (1) is provided with a wrench clamping groove (14), and the wrench clamping groove (14) and the screw cap (1) are integrally designed.

3. A high strength bolt according to claim 1, wherein: the top of the main rod (3) is fixedly connected with the top of the inner cavity of the screw rod (2), and the foam metal filling block (4) is cylindrical.

4. A high strength bolt according to claim 1, wherein: the connecting sleeve (5) is fixedly connected with the main rod (3), and the connecting sleeve (5) is cylindrical.

5. A high strength bolt according to claim 1, wherein: one end, far away from the connecting sleeve (5), of the supporting plate (6) penetrates through the foam metal filling block (4) and extends to the interior of the screw rod (2), and the supporting plate (6) is fixedly connected with the screw rod (2).

6. A high strength bolt according to claim 1, wherein: the outer surface of the screw rod (2) is provided with screw teeth (15), and the screw teeth (15) and the screw rod (2) are integrally designed.