CN216306452U

CN216306452U - High-strength bolt

Info

Publication number: CN216306452U
Application number: CN202122008423.6U
Authority: CN
Inventors: 焦林阳
Original assignee: Hangzhou Pingyan Standard Parts Co ltd
Current assignee: Hangzhou Pingyan Standard Parts Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-04-15
Anticipated expiration: 2031-08-25

Abstract

The utility model discloses a high-strength bolt which comprises a connecting piece and a bolt body, wherein a threaded hole is formed in the connecting piece, the bolt body is in threaded connection with the threaded hole, a nut is fixedly connected to the upper end of the bolt body, a pair of sliding grooves are symmetrically formed in the lower end of the nut, a strength reinforcing mechanism for reinforcing the connection strength of the bolt body is installed in each sliding groove, and a pair of sliding cavities is symmetrically formed in the side wall of the nut. According to the utility model, by arranging the strength reinforcing mechanism, the pushing mechanism, the transmission mechanism and the driving mechanism, after the bolt body is connected, the rotating seat can be screwed, the cam is driven to rotate by fixing the meshing relation between the driving bevel gear and the moving bevel gear, the long end of the cam pushes the reinforcing block downwards to be inserted into the clamping groove, so that the connection strength of the bolt body is greatly increased, the condition that the bolt body is connected and loosened after the bolt body is used for a period of time when large-scale apparatus parts are connected is avoided, and further the damage and danger of the connecting apparatus are prevented.

Description

High-strength bolt

Technical Field

The utility model relates to the technical field of fasteners, in particular to a high-strength bolt.

Background

The bolt is a mechanical part, is a cylindrical threaded fastener matched with a nut, is a fastener composed of a head part and a screw rod, needs to be matched with the nut, and is used for fastening and connecting two parts with through holes.

When being used for large-scale apparatus spare part fixed connection, if simply use the bolt body, then the not enough condition of intensity appears very easily, uses a period of back, takes place the not hard up condition of bolted connection easily, can lead to connecting apparatus's damage and cause certain danger when serious. Therefore, it is necessary to provide a high-strength bolt.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a high-strength bolt.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a high strength bolt, includes connecting piece and bolt body, set up threaded hole on the connecting piece, bolt body threaded connection is in the threaded hole, bolt body upper end fixedly connected with nut, a pair of spout has been seted up to nut lower extreme symmetry, install in the spout and be used for strengthening the mechanism is strengthened to the intensity of bolt body joint strength, a pair of slip chamber has been seted up to the symmetry in the nut lateral wall, install in the slip chamber and be used for promoting the pushing mechanism of the vertical removal of intensity strengthening mechanism, the device chamber has been seted up in the nut lateral wall, install in the device chamber and be used for the transmission the drive mechanism of pushing mechanism action.

Preferably, the strength reinforcing mechanism comprises a reinforcing block, the reinforcing block is connected between the inner walls of the sliding grooves in a sliding mode, a clamping groove is formed in the upper end of the connecting piece, and the reinforcing block is inserted into the clamping groove.

Preferably, pushing mechanism includes cam, slip stopper and connecting rod, the cam rotates through the pivot to be connected slide intracavity wall is last, slip stopper sliding connection be in between the slip intracavity wall, cam and slip stopper cooperation, connecting rod one end fixed connection is at the slip stopper lower extreme, connecting rod other end fixed connection is in the boss upper end, just the outside cover of connecting rod is equipped with the spring, spring elastic connection is in between slip stopper and the slip intracavity bottom.

Preferably, the transmission mechanism comprises a driving bevel gear and a driven bevel gear, the driving bevel gear is rotatably connected to the top of the device cavity through a fixing shaft, the driven bevel gear is coaxially and fixedly connected to the end of the rotating shaft, the driving bevel gear is meshed with the driven bevel gear, and a driving mechanism for driving the driving bevel gear to rotate is installed at the upper end of the nut.

Preferably, the driving mechanism comprises a rotating seat, and the rotating seat is coaxially and fixedly connected to the upper end of the fixed shaft.

The utility model has the following beneficial effects:

through setting up intensity strengthening mechanism, pushing mechanism, drive mechanism and actuating mechanism, after this body coupling of bolt is accomplished, can twist and move the rotation seat, it drives the drive bevel gear through the fixed axle and rotates to rotate the seat, the driven bevel gear of drive bevel gear meshing rotates, and then drive the cam and rotate, the cam can the long end promote sliding plug and boss down, the boss inserts the joint inslot, make the joint strength of bolt body increase by a wide margin, avoid using after a period when connecting large-scale apparatus spare part, take place the not hard up condition of this body coupling of bolt, and then prevent the damage of connecting the apparatus and cause danger.

Drawings

Fig. 1 is a schematic structural view of a high-strength bolt according to the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a schematic structural view of a bolt body according to the present invention;

fig. 4 is a schematic structural diagram of a pushing mechanism according to the present invention.

In the figure: 1. a connecting member; 2. a nut; 3. a bolt body; 4. a threaded hole; 5. a chute; 6. a clamping groove; 7. a reinforcing block; 8. a sliding cavity; 9. a sliding plug; 10. a connecting rod; 11. a cam; 12. a rotating seat; 13. a fixed shaft; 14. a drive bevel gear; 15. a driven bevel gear; 16. a rotating shaft; 17. a device cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-4, a high-strength bolt comprises a connecting piece 1 and a bolt body 3, wherein a threaded hole 4 is formed in the connecting piece 1, the bolt body 3 is in threaded connection in the threaded hole 4, a nut 2 is fixedly connected to the upper end of the bolt body 3, and a pair of sliding grooves 5 are symmetrically formed in the lower end of the nut 2.

Install the intensity strengthening mechanism who is used for strengthening 3 joint strength of bolt body in the spout 5, intensity strengthening mechanism includes boss 7, and boss 7 sliding connection has been seted up joint groove 6 between 5 inner walls of spout in the connecting piece 1 upper end, and boss 7 inserts and establishes in joint groove 6.

A pair of slip chamber 8 has been seted up to the symmetry in the 2 lateral walls of nut, install the pushing mechanism who is used for promoting the vertical removal of intensity strengthening mechanism in the slip chamber 8, pushing mechanism includes cam 11, slip stopper 9 and connecting rod 10, cam 11 rotates through pivot 16 and connects on 8 inner walls in slip chamber, 9 sliding connection of slip stopper is between 8 inner walls in slip chamber, cam 11 and the cooperation of slip stopper 9, connecting rod 10 one end fixed connection is at slip stopper 9 lower extreme, 10 other end fixed connection of connecting rod is in 7 upper ends of boss, and the outside cover of connecting rod 10 is equipped with the spring, spring elastic connection is between the bottom in slip stopper 9 and slip chamber 8.

A device cavity 17 is formed in the side wall of the nut 2, a transmission mechanism used for transmitting the action of the pushing mechanism is installed in the device cavity 17, the transmission mechanism comprises a driving bevel gear 14 and a driven bevel gear 15, the driving bevel gear 14 is rotatably connected to the top of the device cavity 17 through a fixing shaft 13, the driven bevel gear 15 is coaxially and fixedly connected to the end of a rotating shaft 16, the driving bevel gear 14 is meshed with the driven bevel gear 15, and a driving mechanism used for driving the driving bevel gear 14 to rotate is installed at the upper end of the nut 2.

The driving mechanism comprises a rotating seat 12, and the rotating seat 12 is coaxially and fixedly connected to the upper end of a fixed shaft 13.

In the utility model, after the bolt body 3 is connected, an operator twists the rotating seat 12, the rotating seat 12 drives the driving bevel gear 14 to rotate through the fixed shaft 13, the driving bevel gear 14 is meshed with the driven bevel gear 15 to rotate so as to drive the cam 11 to rotate, the long end of the cam 11 faces downwards after rotating, the sliding plug 9 and the reinforcing block 7 are pushed to move downwards by overcoming the elastic force of the spring, and the reinforcing block 7 is inserted into the clamping groove 6, so that the connection strength of the bolt body 3 is greatly increased, the condition that the bolt body 3 is not connected and loosened after being used for a period of time when large-scale apparatus parts are connected is avoided, and further the damage and the danger of the connecting apparatus are prevented.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A high-strength bolt comprises a connecting piece (1) and a bolt body (3), it is characterized in that the connecting piece (1) is provided with a threaded hole (4), the bolt body (3) is in threaded connection with the threaded hole (4), the upper end of the bolt body (3) is fixedly connected with a nut (2), the lower end of the nut (2) is symmetrically provided with a pair of sliding chutes (5), a strength reinforcing mechanism for reinforcing the connection strength of the bolt body (3) is arranged in the sliding groove (5), a pair of sliding cavities (8) is symmetrically arranged in the side wall of the nut (2), a pushing mechanism for pushing the strength reinforcing mechanism to vertically move is arranged in each sliding cavity (8), a device cavity (17) is formed in the side wall of the nut (2), and a transmission mechanism used for transmitting the action of the pushing mechanism is installed in the device cavity (17).

2. The high-strength bolt according to claim 1, wherein the strength reinforcing mechanism comprises a reinforcing block (7), the reinforcing block (7) is slidably connected between the inner walls of the sliding groove (5), a clamping groove (6) is formed in the upper end of the connecting piece (1), and the reinforcing block (7) is inserted into the clamping groove (6).

3. The high-strength bolt according to claim 1, characterized in that the pushing mechanism comprises a cam (11), a sliding plug (9) and a connecting rod (10), the cam (11) is rotatably connected to the inner wall of the sliding cavity (8) through a rotating shaft (16), the sliding plug (9) is slidably connected between the inner walls of the sliding cavity (8), the cam (11) is matched with the sliding plug (9), one end of the connecting rod (10) is fixedly connected to the lower end of the sliding plug (9), the other end of the connecting rod (10) is fixedly connected to the upper end of the reinforcing block (7), and a spring is sleeved outside the connecting rod (10) and elastically connected between the sliding plug (9) and the inner bottom of the sliding cavity (8).

4. The high-strength bolt according to claim 1, wherein the transmission mechanism comprises a driving bevel gear (14) and a driven bevel gear (15), the driving bevel gear (14) is rotatably connected to the inner top of the device cavity (17) through a fixed shaft (13), the driven bevel gear (15) is coaxially and fixedly connected to the end of a rotating shaft (16), the driving bevel gear (14) is engaged with the driven bevel gear (15), and a driving mechanism for driving the driving bevel gear (14) to rotate is mounted at the upper end of the nut (2).

5. A high strength bolt according to claim 4, wherein said driving mechanism comprises a rotary base (12), said rotary base (12) is coaxially and fixedly connected to the upper end of said fixed shaft (13).