CN210599796U

CN210599796U - Inner hexagon head check bolt

Info

Publication number: CN210599796U
Application number: CN201921261298.6U
Authority: CN
Inventors: 陈美兴; 吴子才; 瓮坚正; 戴磊明
Original assignee: Zhongshan Fei Ying Hardware Standard Parts Co Ltd
Current assignee: Zhongshan Fei Ying Hardware Standard Parts Co Ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-05-22
Anticipated expiration: 2029-08-06

Abstract

The utility model provides an interior hexagon head check bolt, including threaded rod, connecting pin, cylinder head, screw and circular recess, the circular recess is seted up and is gone up the side at work piece one, round hole two is seted up to the inside downside of circular recess, the screw hole is seted up to the side on two work pieces under the round hole two, the threaded rod lower extreme passes through thread engagement inside the screw hole, the pinhole more than two is seted up to the inside downside border position of circular recess, round hole one is all seted up with the right-hand member to the overhead side left end of cylinder, the equal mounting screw in the inside upper end of round hole, two the equal fixed connection round pin of screw lower extreme, and inside two connecting pin lower extremes all extended to the pinhole, this design has realized the locking function of this device, simple structure makes things convenient for the dismouting, the utility model discloses locking effectual, the dismouting is simple simultaneously, conveniently carries out repe.

Description

Inner hexagon head check bolt

Technical Field

The utility model relates to a hexagon socket head check bolt belongs to bolt technical field.

Background

The hexagon socket head cap screw is direct to be connected with the work piece, consequently need not the nut cooperation and just can be with two work piece fastening connections, some work piece surfaces are inconvenient to have the protrusion simultaneously, consequently inconvenient outer hexagon bolt that uses is connected, but the locking mode of current hexagon socket head cap screw generally uses spring washer in the cooperation, but this mode does not play fine locking effect on the work piece of some dynamic load, it is fixed with hexagon socket head cap screw through the welding in addition, although this kind of mode is locking effectual, but can not dismantle, thereby application scope is less, consequently, need a hexagon socket head cap screw to solve the above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hexagon socket head check bolt to solve the problem that proposes in the above-mentioned background art, the utility model discloses locking effectual, the dismouting is simple simultaneously, conveniently carries out repetitious usage.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a locking bolt with hexagon socket head comprises a threaded rod, a cylindrical head, a hexagon blind hole and a locking component, the cylindrical head is fixed at the upper end of the threaded rod, a hexagonal blind hole is arranged in the middle of the upper side surface of the cylindrical head, the lower end of the threaded rod is arranged in a locking assembly, the locking assembly comprises a connecting pin, a screw and a circular groove, the circular groove is arranged on the upper side surface of the workpiece I, the lower side surface inside the circular groove is provided with a circular hole II, the upper side surface of the second workpiece right below the second round hole is provided with a threaded hole, the lower end of the threaded rod is meshed in the threaded hole through threads, more than two pin holes are arranged at the edge position of the lower side surface in the circular groove, the left end and the right end of the upper side surface of the cylinder head are respectively provided with a first circular hole, screws are all installed at the upper end of the inside of the round hole, the lower ends of the screws are all fixedly connected with connecting pins, and the lower ends of the two connecting pins extend into the pin holes.

Further, threads are machined at the upper end of the inner annular side face of the round hole, and the screw is meshed with the upper end of the inner portion of the round hole through threads.

Further, a rubber cap is arranged at the upper end of the annular side face of the circular groove, and the annular side face in the rubber cap is tightly attached to the annular side face of the cylindrical head.

The utility model has the advantages that: the utility model discloses a hexagon socket head check bolt, because the utility model adds connecting pin, screw and circular groove, in the use process, the user makes the lower end of the threaded rod pass through the second round hole and extend to the inside of the threaded hole, then inserts the hexagon wrench into the inside of the hexagonal blind hole and rotates the hexagon wrench, thereby the lower end of the threaded rod is engaged in the inside of the threaded hole under the effect of thread engagement, then uses the screwdriver to rotate the screw, thereby the lower end of the connecting pin is moved to the inside of the corresponding pinhole, when the first workpiece and the second workpiece generate dynamic load, the connecting pin will not rotate around the threaded rod under the blocking effect of the pinhole, thereby the threaded rod is prevented from rotating in the inside of the threaded hole, thereby the check function is achieved, the design realizes the check function of the device, the structure is simple, the assembly and disassembly are convenient, the utility model discloses the check effect is good, the assembly, is convenient for repeated use.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a hexagon socket lock bolt of the present invention;

fig. 2 is a schematic top view of the hexagon socket lock bolt of the present invention;

in the figure: 1-threaded hole, 2-threaded rod, 3-pin hole, 4-connecting pin, 5-cylindrical head, 6-screw, 7-round hole I, 8-hexagonal blind hole, 9-circular groove, 10-workpiece I, 11-round hole II and 12-workpiece II.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a hexagon socket head check bolt comprises a threaded rod 2, a cylindrical head 5, a hexagon blind hole 8 and a check assembly, wherein the cylindrical head 5 is fixed at the upper end of the threaded rod 2, the middle position of the upper side surface of the cylindrical head 5 is provided with the hexagon blind hole 8, the lower end of the threaded rod 2 is arranged in the check assembly, the check assembly comprises a connecting pin 4, a screw 6 and a circular groove 9, the circular groove 9 is arranged on the upper side surface of a workpiece 10, the lower side surface of the inside of the circular groove 9 is provided with a circular hole II 11, the upper side surface of the workpiece II 12 right below the circular hole II 11 is provided with a threaded hole 1, the lower end of the threaded rod 2 is meshed in the threaded hole 1 through threads, the edge position of the lower side surface of the inside of the circular groove 9 is provided with more than two pin holes 3, the left end and the right end of the upper side surface of the cylindrical head 5 are both provided with, in the using process, a user enables the threaded rod 2 to penetrate through the circular groove 9 and the circular hole II 11 and extend to the inside of the threaded hole 1, then inserts a hexagonal wrench into the hexagonal blind hole 8 and rotates the hexagonal wrench, so that the hexagonal wrench rotates to drive the cylindrical head 5 to rotate, the cylindrical head 5 rotates to drive the threaded rod 2 to rotate, the threaded rod 2 rotates and moves in the threaded hole 1 under the action of thread engagement, the lower end of the threaded rod 2 is engaged in the threaded hole 1 through threads, so that the first workpiece 10 is connected with the second workpiece 12 through the threaded rod 2, the user rotates the screw 6 through a screwdriver, so that the screw 6 rotates and moves in the circular hole I7 under the action of thread engagement, so that the connecting pin 4 is driven to rotate and move, the lower end of the connecting pin 4 moves to the inside of the corresponding pin hole 3, and when the first workpiece 10 and the second workpiece 12 generate dynamic load, threaded rod 2 rotates under the vibrations effect, and threaded rod 2 rotates and drives cylinder head 5 and rotate to drive screw 6 and rotate round threaded rod 2, screw 6 rotates and drives connecting pin 4 and rotate round threaded rod 2, thereby makes connecting pin 4 stall under the effect of blockking of pinhole 3, thereby prevents threaded rod 2 and rotates, plays locking function with this, and this design has realized the locking function of this device.

The upper end of the inner annular side surface of the round hole I7 is provided with threads, and the screw 6 is engaged with the upper end of the inner part of the round hole I7 through the threads, so that the screw 6 is connected.

The rubber cap is installed to 9 annular side upper ends of circular slot, and the annular side closely laminates with 5 annular sides of cylinder head in the rubber cap, when will dismantle this device, the user takes out the rubber cap from 9 insides of circular slot, then use hexagonal spanner rotate the cylinder head 5 can, this design convenience increases the frictional force between cylinder head 5 and the circular slot 9 to play locking effect.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied 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. The utility model provides a hexagon socket head check bolt, includes threaded rod, cylinder head, hexagonal blind hole and locking subassembly, its characterized in that: the cylinder head is fixed in the threaded rod upper end, the overhead side middle part position of cylinder is seted up the hexagonal blind hole, the threaded rod lower extreme is installed inside locking subassembly, locking subassembly includes connecting pin, screw and circular recess, the circular recess is seted up and is gone up the side at work piece one, round hole two is seted up to the inside downside of circular recess, the screw hole is seted up to the side on two work pieces under the round hole two, the threaded rod lower extreme passes through thread engagement in threaded hole, the inside downside border position of circular recess sets up two above pinholes, round hole one is all seted up with the right-hand member to the overhead side left end of cylinder, the equal mounting screw in round hole one inside upper end, two the equal fixed connection round pin of screw lower extreme, and two connecting pin lower extremes all extend to inside the pinhole.

2. The hexagon socket head check bolt according to claim 1, characterized in that: threads are machined at the upper end of the inner annular side face of the first round hole, and the screw is meshed with the upper end of the inner portion of the first round hole through the threads.

3. The hexagon socket head check bolt according to claim 1, characterized in that: the upper end of the annular side face of the circular groove is provided with a rubber cap, and the annular side face in the rubber cap is tightly attached to the annular side face of the cylindrical head.