CN212838844U

CN212838844U - High-strength fastener for high-speed rail

Info

Publication number: CN212838844U
Application number: CN202021186032.2U
Authority: CN
Inventors: 施兴广
Original assignee: Zhejiang Haigwei Hydraulic Technology Co ltd
Current assignee: Zhejiang Haigwei Hydraulic Technology Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-03-30
Anticipated expiration: 2030-06-23

Abstract

The utility model discloses a fastener that is used for high strength on high-speed railway, including main part mechanism, slewing mechanism, block mechanism, fixed establishment, spout, pressure spring and slider. The utility model has the advantages that: the inside symmetry of block mechanism is equipped with two spouts, the one end fixed connection of pressure spring is in the inner wall of block mechanism, conflict between the top of slider and the block mechanism, the pressure spring cup joints in the slider lateral wall and the slider is close to the cross-sectional diameter that block mechanism one end is greater than the cross-sectional diameter of pressure spring, slider sliding connection is in the inside spout position that is equipped with of block mechanism, slewing mechanism when extrudeing block mechanism, two sliders receive the extrusion force of block mechanism to slide toward the spout position, make the slider extrude the pressure spring, and then the inside of slider follow spout position roll-off block mechanism when making the pressure spring produce deformation, and then the area of contact of block mechanism and equipment has been increased, be favorable to preventing the not hard up phenomenon or the production smooth silk of fastener after long-term use.

Description

High-strength fastener for high-speed rail

Technical Field

The utility model relates to a fastener specifically is a fastener that is used for high strength on high-speed railway, belongs to fastener technical field.

Background

The fastener is a mechanical part which is used for fastening connection and has extremely wide application. The fastener is widely used in the industries including energy, electronics, electrical appliances, machinery, chemical industry, metallurgy, molds, hydraulic pressure and the like, and various fasteners can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical industry, instruments, supplies and the like, and are the most widely applied mechanical basic parts. It features various varieties and specifications, different functions and usages, and very high standardization, serialization and universalization degrees.

However, the conventional fastener is generally integrally formed, and after long-term use, the phenomenon of thread slipping is easy to occur; in addition, because the bearing is great on the high-speed railway and vibrations are great in the driving process, the fastener is easy to become flexible and may lead to equipment to break down, and safety accidents may also happen seriously, and then the availability factor of fastener is not favorable to improving.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fastener that is used for high strength on high-speed railway just for solving above-mentioned problem, the flexible operation, the installation of being convenient for is contradicted with the slider when receiving the extrusion through the stock, makes the slider slip out the inside of fixed block, and then makes the fixed more firm of fixed block, is favorable to improving the availability factor of fastener.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a fastener that is used for high strength on high-speed railway, including main part mechanism, main part mechanism's lateral wall slides and has slewing mechanism, fixed connection between slewing mechanism and the block mechanism, it is inconsistent between block mechanism and the fixed establishment, fixed establishment includes spout, pressure spring and slider, the inside symmetry of block mechanism is equipped with two the spout, the one end fixed connection of pressure spring in the inner wall of block mechanism, the top of slider with conflict between the block mechanism, the pressure spring cup joint in the lateral wall of slider, just the slider is close to the cross-sectional diameter of block mechanism one end is greater than the cross-sectional diameter of pressure spring, slider sliding connection in the inside spout position that is equipped with of block mechanism.

Preferably, in order to extrude the rubber pad at the top end of the first rotating block, the main mechanism comprises an installation block, a telescopic spring and a screw rod, the installation block is fixedly connected to the side wall of the screw rod, and one end of the telescopic spring is fixedly connected to the bottom end of the installation block and sleeved on the side wall of the screw rod.

Preferably, in order to facilitate rotation of the screw rod, the main body mechanism further comprises an empty groove and a snap ring, the snap ring is fixedly mounted on the inner wall of the mounting block and fixedly connected with the top end of the screw rod, the empty groove is formed in the snap ring, and the empty groove is of a hexagonal structure.

Preferably, in order to fix the first rotating block and the second rotating block, the rotating mechanism includes a rubber pad and the first rotating block, the first rotating block is slidably connected to a side wall of the screw rod, and the rubber pad is fixedly connected to a top end of the first rotating block.

Preferably, in order to facilitate the sliding of the long rod, the rotating mechanism further comprises a first clamping groove and a second rotating block, the second rotating block is connected to the side wall of the screw rod in a sliding mode, the first clamping groove is formed in the second rotating block, and the first rotating block is connected to the first clamping groove in a threaded mode.

Preferably, for the convenience of being connected with screw thread, the block mechanism includes the fixed block, the inside symmetry of fixed block is equipped with the spout, the pressure spring install in the inside of fixed block, slider sliding connection in the inside spout position that is equipped with of fixed block, screw thread connection in the inner wall of fixed block.

Preferably, for the convenience of making the stock slide in the second draw-in groove is inside, block mechanism still includes second draw-in groove and stock, the inside of fixed block is equipped with two arcs the second draw-in groove, two stock symmetry fixed connection in the bottom of second turning block, just stock sliding connection in be equipped with on the fixed block inner wall the second draw-in groove position and with the one end of slider is contradicted.

The utility model has the advantages that: the inside symmetry of block mechanism is equipped with two spouts, the one end fixed connection of pressure spring is in the inner wall of block mechanism, conflict between the top of slider and the block mechanism, the pressure spring cup joints in the lateral wall of slider and the cross-sectional diameter that the slider is close to block mechanism one end is greater than the cross-sectional diameter of pressure spring, slider sliding connection is in the inside spout position that is equipped with of block mechanism, slewing mechanism when extrudeing block mechanism, two sliders receive the extrusion force of block mechanism to slide toward the spout position, make the slider extrude the pressure spring, and then the inside of slider follow spout position roll-off block mechanism when making the pressure spring produce deformation, and then the area of contact of block mechanism and equipment has been increased, be favorable to preventing the not hard up phenomenon or the production smooth silk of fastener after long-term use.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view showing a connection structure of the main body mechanism and the rotating mechanism shown in FIG. 1;

FIG. 3 is an enlarged view of the part A shown in FIG. 2;

FIG. 4 is a schematic structural view of the engaging mechanism shown in FIG. 1;

fig. 5 is a schematic structural diagram of the main body mechanism shown in fig. 1.

In the figure: 1. the main body mechanism, 11, dead slot, 12, installation block, 13, expanding spring, 14, screw rod, 15, snap ring, 2, slewing mechanism, 21, rubber pad, 22, first slewing block, 23, first draw-in groove, 24, second slewing block, 3, block mechanism, 31, fixed block, 32, second draw-in groove, 33, stock, 4, fixed establishment, 41, spout, 42, pressure spring, 43, slider.

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, a high-strength fastener for high-speed rail includes a main body 1, the side wall of the main body mechanism 1 is provided with a rotating mechanism 2 in a sliding way, the rotating mechanism 2 is fixedly connected with a clamping mechanism 3, the clamping mechanism 3 is in contact with the fixing mechanism 4, the fixing mechanism 4 comprises a sliding chute 41, a pressure spring 42 and a sliding block 43, two sliding grooves 41 are symmetrically arranged in the clamping mechanism 3, one end of the pressure spring 42 is fixedly connected with the inner wall of the clamping mechanism 3, the top end of the sliding block 43 is abutted against the clamping mechanism 3, the pressure spring 42 is sleeved on the side wall of the sliding block 43, and the section diameter of the end of the slide block 43 close to the clamping mechanism 3 is larger than that of the pressure spring 42, the slider 43 is slidably connected to the slide groove 41 provided in the engaging mechanism 3.

As a technical optimization scheme of the utility model, main part mechanism 1 is including installation piece 12, expanding spring 13 and screw rod 14, installation piece 12 fixed connection in the lateral wall of screw rod 14, expanding spring 13's one end fixed connection in the bottom of installation piece 12 and cup joint in the lateral wall of screw rod 14.

As a technical optimization scheme of the utility model, main part mechanism 1 still includes dead slot 11 and snap ring 15, snap ring 15 fixed mounting in the inner wall of installation piece 12 and with the top fixed connection of screw rod 14, the inside of snap ring 15 is equipped with dead slot 11, just dead slot 11 is the hexagon structure.

As a technical optimization scheme of the utility model, slewing mechanism 2 includes rubber pad 21 and first turning block 22, first turning block 22 sliding connection in the lateral wall of screw rod 14, rubber pad 21 fixed connection in the top of first turning block 22.

As a technical optimization scheme of the utility model, slewing mechanism 2 still includes first draw-in groove 23 and

second turning block

24, 24 sliding connection in of second turning block in the lateral wall of screw rod 14, just the inside of second turning block 24 is equipped with first draw-in groove 23, first turning block 22 threaded connection in 24 inside being equipped with of second turning block first draw-in groove 23 position.

As a technical optimization scheme of the utility model, the block mechanism 3 includes fixed block 31, the inside symmetry of fixed block 31 is equipped with spout 41, pressure spring 42 install in the inside of fixed block 31, slider 43 sliding connection in the fixed block 31 is inside to be equipped with spout 41 positions, screw rod 14 threaded connection in the inner wall of fixed block 31.

As a technical optimization scheme of the utility model, block mechanism 3 still includes second draw-in groove 32 and stock 33, the inside of fixed block 31 is equipped with two arcs second draw-in groove 32, two stock 33 symmetry fixed connection in the bottom of second turning block 24, just stock 33 sliding connection in the fixed block 31 inner wall is equipped with second draw-in groove 32 position and with the one end of slider 43 is contradicted.

When the utility model is used, firstly, an operator installs the fixed block 31 in the equipment before fixing the fastener, then uses the tool to rotate the screw 14, the top end of the screw 14 is fixedly connected with the snap ring 15, the snap ring 15 is fixedly connected with the inner wall of the installation block 12, the interior of the snap ring 15 is provided with the empty groove 11, and the empty groove 11 is of a hexagonal structure, so that the operator can directly place the tool in the empty groove 11 and then screw the screw 14 when the operation is not good; the bottom end of the mounting block 12 is fixedly connected with a telescopic spring 13, the side wall of the screw 14 is respectively connected with a first rotating block 22 and a second rotating block 24 in a sliding manner, a rubber pad 21 is mounted at the top end of the first rotating block 22, a first clamping groove 23 is arranged inside the second rotating block 24, an operator rotates the first rotating block 22 by using a tool, the first rotating block 22 is in threaded connection with the first clamping groove 23 arranged on the inner wall of the second rotating block 24, the second rotating block 24 is rotated after the first rotating block 22 and the second rotating block 24 are fixed, two long rods 33 are symmetrically and fixedly connected with the bottom end of the second rotating block 24, two arc-shaped second clamping grooves 32 are arranged inside the fixed block 31, when the second rotating block 24 rotates, the long rods 33 slide inside the second clamping grooves 32, when the long rods 33 slide to the end parts of the second clamping grooves 32, the long rods 33 fall into the fixed block 31 and the end parts of the long rods 33 are abutted against sliding blocks 43 sliding inside the fixed block 31, when an operator rotates the screw 14, the mounting block 12 drives the extension spring 13 to displace and extrude the first rotating block 22 when the extension spring 13 is abutted to the rubber pad 21, so that the long rod 33 arranged at the bottom end of the second rotating block 24 extrudes the sliding block 43 when sliding, the sliding block 43 is slidably connected to the sliding groove 41 arranged inside the fixed block 31, the pressure spring 42 is mounted on the inner wall of the fixed block 31 and sleeved on the side wall of the sliding block 43, the section diameter of one end of the sliding block 43 is larger than that of the pressure spring 42, when the long rod 33 extrudes the sliding block 43, the sliding block 43 slides and extrudes the pressure spring 42, the pressure spring 42 deforms to enable the sliding block 43 to slide out of the sliding groove 41, so that the sliding block 43 with the sawtooth-shaped end part fixes the fixed block 31, the connection between the fixed block 31 and the screw 14 is prevented from loosening after long-term use.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A high-strength fastener for high-speed rail comprises a main body mechanism (1), and is characterized in that: the side wall of the main body mechanism (1) is provided with a rotating mechanism (2) in a sliding way, the rotating mechanism (2) is fixedly connected with the clamping mechanism (3), the clamping mechanism (3) is in contact with the fixing mechanism (4), the fixing mechanism (4) comprises a sliding groove (41), a pressure spring (42) and a sliding block (43), two sliding grooves (41) are symmetrically arranged in the clamping mechanism (3), one end of the pressure spring (42) is fixedly connected with the inner wall of the clamping mechanism (3), the top end of the sliding block (43) is abutted against the clamping mechanism (3), the pressure spring (42) is sleeved on the side wall of the sliding block (43), the section diameter of one end of the sliding block (43) close to the clamping mechanism (3) is larger than that of the pressure spring (42), the sliding block (43) is connected to the sliding groove (41) in the clamping mechanism (3) in a sliding mode.

2. A high strength fastener for use on high speed railway as claimed in claim 1, wherein: the main body mechanism (1) comprises an installation block (12), an expansion spring (13) and a screw rod (14), the installation block (12) is fixedly connected to the side wall of the screw rod (14), and one end of the expansion spring (13) is fixedly connected to the bottom end of the installation block (12) and sleeved on the side wall of the screw rod (14).

3. A high strength fastener for use on high speed railway as claimed in claim 2, wherein: main body mechanism (1) still includes dead slot (11) and snap ring (15), snap ring (15) fixed mounting in the inner wall of installation piece (12) and with the top fixed connection of screw rod (14), the inside of snap ring (15) is equipped with dead slot (11), just dead slot (11) are the hexagon structure.

4. A high strength fastener for use on high speed railway as claimed in claim 2, wherein: the rotating mechanism (2) comprises a rubber pad (21) and a first rotating block (22), the first rotating block (22) is connected to the side wall of the screw rod (14) in a sliding mode, and the rubber pad (21) is fixedly connected to the top end of the first rotating block (22).

5. A high strength fastener for use on high speed railway as claimed in claim 4, wherein: slewing mechanism (2) still include first draw-in groove (23) and second turning block (24), second turning block (24) sliding connection in the lateral wall of screw rod (14), just the inside of second turning block (24) is equipped with first draw-in groove (23), first turning block (22) threaded connection in the inside first draw-in groove (23) position that is equipped with of second turning block (24).

6. A high strength fastener for use on high speed railway as claimed in claim 5, wherein: the clamping mechanism (3) comprises a fixed block (31), the sliding grooves (41) are symmetrically formed in the fixed block (31), the pressure spring (42) is installed in the fixed block (31), the sliding block (43) is connected to the sliding groove (41) in the fixed block (31) in a sliding mode, and the screw rod (14) is connected to the inner wall of the fixed block (31) in a threaded mode.

7. A high strength fastener for use on high speed railway as claimed in claim 6, wherein: block mechanism (3) still include second draw-in groove (32) and stock (33), the inside of fixed block (31) is equipped with two arcs second draw-in groove (32), two stock (33) symmetry fixed connection in the bottom of second turning block (24), just stock (33) sliding connection in fixed block (31) inner wall is equipped with second draw-in groove (32) position and with the one end of slider (43) is contradicted.