CN216922794U

CN216922794U - Double-bolt-head bolt of anti-skid thread

Info

Publication number: CN216922794U
Application number: CN202220045945.5U
Authority: CN
Inventors: 胡维娜
Original assignee: Ningbo Jianji Vehicle Parts Co ltd
Current assignee: Ningbo Jianji Vehicle Parts Co ltd
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-07-08
Anticipated expiration: 2032-01-10

Abstract

The utility model provides an anti-skid double-bolt-head bolt which comprises two threaded cylinders, wherein the threaded cylinders are arranged in a mirror image mode, gaskets are coaxially arranged on the outer surfaces of the threaded cylinders, a plurality of guide columns are fixedly connected to the tops of the gaskets, the axes of the guide columns are parallel to the axes of the gaskets, the guide columns are circumferentially distributed along the edges of the gaskets, nuts are arranged above the gaskets, the nuts are spirally connected with the threaded cylinders, fixing grooves corresponding to the guide columns are formed in the bottoms of the nuts, and the guide columns are located in the fixing grooves; the thread cylinder is characterized in that a positioning rod is arranged between the thread cylinders, a plurality of sliding blocks are fixedly connected to the outer surface of the positioning rod, the sliding blocks are parallel to the axis of the positioning rod, the sliding blocks are circumferentially distributed along the edge of the positioning rod, and the sliding blocks are located in the sliding grooves. When the double-head bolt is used, the stability of the double-head bolt in the using process is ensured, the double-head bolt is not easy to loosen and fall off after the installation and the fixation are finished, and the operation and the disassembly and the assembly are convenient.

Description

Double-bolt-head bolt of anti-skid thread

Technical Field

The utility model belongs to the technical field of bolts, and particularly relates to an anti-skid double-bolt-head bolt.

Background

Stud has the fixed connection function of connecting machinery, generally is used for mining machinery, bridge, car, motorcycle, boiler steel construction, tower crane, large-span steel construction and heavy construction etc.. Traditional stud when connecting the fastening to the part, its connected mode is comparatively single, and when the part produced vibration and received the vibration, can make the nut appear not hard up the condition on the screw rod, and then makes the inhomogeneous emergence deformation of bolt atress, has certain potential safety hazard, and stability and suitability are relatively poor, are unfavorable for long-term development. Aiming at the problems, a double-bolt-head bolt of the anti-skid thread is provided.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a double-bolt-head bolt with anti-skid threads.

The technical scheme of the utility model is realized as follows: a double-bolt-head bolt of an anti-skid thread comprises a threaded cylinder, wherein the threaded cylinder is provided with two and mirror-image devices, a gasket is coaxially arranged on the outer surface of the threaded cylinder, the top of the gasket is fixedly connected with a plurality of guide columns, the axes of the guide columns are parallel to the axis of the gasket, the guide columns are circumferentially distributed along the edge of the gasket, a nut is arranged above the gasket, the nut is spirally connected with the threaded cylinder, a fixing groove corresponding to the guide columns is formed in the bottom of the nut, and the guide columns are located in the fixing groove;

A positioning rod is arranged between the threaded cylinders, a plurality of sliding blocks are fixedly connected to the outer surface of the positioning rod, the sliding blocks are parallel to the axis of the positioning rod and are distributed along the edge of the positioning rod in the circumferential direction, the sliding blocks are positioned in the sliding grooves, a plurality of round holes are formed in the end openings of the threaded cylinders at intervals and are perpendicular to the axis of the threaded cylinders, first fastening screws are arranged in the round holes, first screw holes corresponding to the first fastening screws are formed in the positioning rod and are communicated with the round holes, one ends of the first fastening screws, far away from the round holes, are spirally connected with the first screw holes, one ends of the threaded cylinders, far away from the round holes, are provided with grooves, the grooves are coincided with the axis of the threaded cylinders, the grooves are communicated with the insides of the threaded cylinders, second fastening screws are arranged in the grooves, and second screw holes corresponding to the second fastening screws are formed in the two ends of the positioning rod, and one end of the second fastening screw, which is far away from the groove, is spirally connected with the second screw hole.

Preferably, the bottom of the gasket is provided with antiskid bulges at intervals.

Preferably, the inner diameter of the threaded cylinder is consistent with the outer diameter of the positioning rod.

Compared with the prior art, when the double-head bolt is used, the positioning rod is fixed in the threaded cylinder by arranging the first screw hole and the second screw hole and connecting the first screw hole and the second screw hole with the corresponding first screw hole and second screw hole, so that the stability of the double-head bolt in the use process is ensured; through setting up slider, spout, make the locating lever slide in a screw thread section of thick bamboo, prevent that the locating lever from rotating simultaneously, further improved stability, the zonulae occludens of the screw and screw hole of being convenient for is difficult not hard up after the installation is fixed to be come off, convenient operation and dismouting.

Drawings

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

fig. 1 is a schematic structural diagram of a double-bolt-head bolt of an anti-skid thread according to the present invention.

Fig. 2 is a schematic view of an internal structure of a double-bolt-head bolt of the anti-skid thread according to the present invention.

In the figure: the screw thread section of thick bamboo 1, nut 2, gasket 3, locating lever 4, slider 5, spout 6, first screw hole 7, round hole 8, first fastening screw 9, second screw hole 10, recess 11, second fastening screw 12, guide post 13, fixed slot 14, non-skid protrusions 15.

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. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a double-bolt-head bolt of an anti-skid thread comprises a threaded cylinder 1, wherein the threaded cylinder 1 is provided with two and mirror-image devices, a gasket 3 is coaxially arranged on the outer surface of the threaded cylinder 1, the top of the gasket 3 is fixedly connected with a plurality of guide columns 13, the guide columns 13 are parallel to the axis of the gasket 3, the guide columns 13 are circumferentially distributed along the edge of the gasket 3, a nut 2 is arranged above the gasket 3, the nut 2 is spirally connected with the threaded cylinder 1, fixing grooves 14 corresponding to the guide columns 13 are formed in the bottom of the nut 2, the guide columns 13 are located in the fixing grooves 14, the gasket 3 is utilized to increase the friction force between the nut 2 and a part contact surface, the fastening effect is effectively improved, and the gasket 3 is more tightly connected with the nut 2 through the guide columns 13 and the fixing grooves 14, so that the fastening effect is further improved;

A positioning rod 4 is arranged between the threaded cylinders 1, a plurality of sliding blocks 5 are fixedly connected to the outer surface of the positioning rod 4, the sliding blocks 5 are parallel to the axis of the positioning rod 4, the sliding blocks 5 are circumferentially distributed along the edge of the positioning rod 4, the sliding blocks 5 are positioned in the sliding grooves 6, a plurality of round holes 8 are discontinuously and equidistantly arranged at the port parts of the threaded cylinders 1, the round holes 8 are perpendicular to the axis of the threaded cylinders 1, first fastening screws 9 are arranged in the round holes 8, first screw holes 7 corresponding to the first fastening screws 9 are arranged on the positioning rod 4, the first screw holes 7 are communicated with the round holes 8, one ends of the first fastening screws 9 far away from the round holes 8 are spirally connected with the first screw holes 7, one ends of the threaded cylinders 1 far away from the round holes 8 are provided with grooves 11, the grooves 11 are coincided with the axis of the threaded cylinders 1, the grooves 11 are communicated with the inner parts of the threaded cylinders 1, second fastening screws 12 are arranged in the grooves 11, second screw holes 10 corresponding to the second fastening screws 12 are arranged at the two ends of the positioning rod 4, one end, far away from the groove 11, of the second fastening screw 12 is in threaded connection with the second screw hole 10, the first fastening screw 9 and the second fastening screw 12 are arranged and connected with the corresponding first screw hole 7 and the second screw hole 10 respectively, and the positioning rod 4 is fixed in the threaded cylinder 1, so that stability of the stud bolt in the using process is guaranteed.

Specifically, when the stud bolt is used, firstly, the sliding block 5 is aligned to the sliding groove 6, then, two ends of the positioning rod 4 are respectively inserted into the threaded cylinder 1, then, the first fastening screw 9 is connected with the first screw hole 7 through the round hole 8, the second fastening screw 12 is connected with the second screw hole 10 through the groove 11, so that the positioning rod 4 is fixed in the threaded cylinder 1, then, the component is fastened between the two nuts 2, after the stud bolt is installed, the anti-skid protrusions 15 at the bottom of the gasket 3 are tightly attached to the component, and the gasket 3 is tightly connected with the nuts 2 through the guide columns 13 and the fixing grooves 14, so that the high stability of the stud bolt in the using process is ensured.

Furthermore, the bottom of the gasket 3 is provided with the antiskid projections 15 at intervals, and the friction force between the gasket 3 and the contact surface of the component is increased by the antiskid projections 15, so that the gasket is not easy to fall off after fastening is completed.

Further, the internal diameter of the threaded cylinder 1 is consistent with the external diameter of the positioning rod 4, the positioning rod 4 can be slidably inserted into the threaded cylinder 1, and the threaded cylinder is fastened with the screw hole through a screw, so that the threaded cylinder is convenient to operate and disassemble.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The double-bolt-head bolt comprises a threaded barrel (1) and is characterized in that the threaded barrel (1) is provided with two threaded barrels (1) in a mirror image mode, a gasket (3) is coaxially arranged on the outer surface of the threaded barrel (1), a plurality of guide columns (13) are fixedly connected to the top of the gasket (3), the guide columns (13) are parallel to the axis of the gasket (3), the guide columns (13) are circumferentially distributed along the edge of the gasket (3), a nut (2) is arranged above the gasket (3), the nut (2) is in threaded connection with the threaded barrel (1), fixing grooves (14) corresponding to the guide columns (13) are formed in the bottom of the nut (2), and the guide columns (13) are located in the fixing grooves (14);

a positioning rod (4) is arranged between the threaded cylinders (1), a plurality of sliding blocks (5) are fixedly connected to the outer surface of the positioning rod (4), the sliding blocks (5) are parallel to the axis of the positioning rod (4), the sliding blocks (5) are circumferentially distributed along the edge of the positioning rod (4), the sliding blocks (5) are positioned in the sliding grooves (6), a plurality of round holes (8) are formed in the port part of the threaded cylinder (1) at intervals, the round holes (8) are perpendicular to the axis of the threaded cylinder (1), first fastening screws (9) are arranged in the round holes (8), first screw holes (7) corresponding to the first fastening screws (9) are formed in the positioning rod (4), the first screw holes (7) are communicated with the round holes (8), one ends, far away from the round holes (8), of the first fastening screws (9) are spirally connected with the first screw holes (7), one of round hole (8) is kept away from in a screw thread section of thick bamboo (1) is served and is seted up fluted (11), recess (11) coincide with a screw thread section of thick bamboo (1) axis mutually, recess (11) communicate with each other with screw thread section of thick bamboo (1) is inside, be provided with second fastening screw (12) in recess (11), all set up second screw hole (10) corresponding with second fastening screw (12) on locating lever (4) both ends, the one end and second screw hole (10) screwed connection of recess (11) are kept away from in second fastening screw (12).

2. A stud bolt according to claim 1, characterised in that the washer (3) is provided with studs (15) intermittently at regular intervals on the bottom.

3. A stud bolt according to claim 1, characterised in that the threaded barrel (1) has an internal diameter corresponding to the external diameter of the locating rod (4).