CN217519037U

CN217519037U - Hexagonal head bolt fastener

Info

Publication number: CN217519037U
Application number: CN202221321156.6U
Authority: CN
Inventors: 陈冬; 陈芳; 薛方君
Original assignee: Ningbo Zhongli Bolt Manufacturing Co ltd
Current assignee: Ningbo Zhongli Bolt Manufacturing Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-09-30
Anticipated expiration: 2032-05-30

Abstract

The utility model relates to a standard component technical field just discloses a hexagon head bolt fastener, including screw rod and nut, nut and screw rod thread installation still include bolt assembly and fill subassembly. The bolt assembly comprises a bolt head and a round rod, the round rod is connected to the top of the screw rod, the bolt head is connected to the top of the round rod, a first spare hole is formed in the top of the bolt head, and a second spare hole is formed in the side portion of the nut. This scheme is through setting up first spare hole at the top of bolt head, can use the instrument to insert first spare hole then rotatory, can rotate the bolt head to after the outer wall of bolt head spent, unable normal use, screw out the bolt with first spare hole, in the same way, when the wearing and tearing of nut outer wall are serious, difficult when rotating, can utilize the instrument to inject the second spare hole, thereby pull the nut.

Description

Hexagonal head bolt fastener

Technical Field

The utility model relates to a standard component technical field specifically is a hexagon head bolt fastener.

Background

The fastener is a mechanical part which is used for fastening connection and has extremely wide application. Bolts are common fasteners, so that the bolts have been developed into various standard parts, namely, hexagon head bolts are common standard parts, and the hexagon head bolts are divided into outer hexagon bolts and inner hexagon bolts and are generally used for fastening mechanical equipment. The hexagonal head bolt at the present stage is generally composed of a bolt and a nut, but after long-time unscrewing and screwing, the outer walls of the nut and the nut are worn, so that the outer walls of the nut and the nut are worn, the screwing or unscrewing is laborious, and the hexagonal head bolt can slip; thus, the existing needs are not met, and a hexagonal head bolt fastener is proposed for the hexagonal head bolt fastener.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hexagon head bolt fastener, the beneficial effect who possesses has solved and has mentioned among the above-mentioned background art when long-time back of unscrewing with screw, the outer wall of nut and nut all receives wearing and tearing to lead to its outer wall to flower, screw this moment or will be very hard when unscrewing, the problem that can skid.

The utility model provides a following technical scheme: the hexagonal head bolt fastener comprises a screw rod, a nut, a bolt assembly and a filling assembly, wherein the nut and the screw rod are installed in a threaded mode.

The bolt assembly comprises a bolt head and a round rod, the round rod is connected to the top of the screw rod, the bolt head is connected to the top of the round rod, a first standby hole is formed in the top of the bolt head, and a second standby hole is formed in the side portion of the nut.

As the utility model discloses a hexagon head bolt fastener alternative, wherein: the bolt head is a hexagon bolt, the bolt head and the round rod are integrally welded, and the center of the bolt head is overlapped with the axis of the round rod.

As the utility model discloses a hexagon head bolt fastener alternative, wherein: the round rod and the screw rod are integrally welded, and the diameter of the round rod is the same as that of the screw rod.

As the utility model discloses a hexagon head bolt fastener alternative, wherein: the outside of nut is provided with the hexagonal edge, and the internal diameter and the screw rod of nut match.

As the utility model discloses a hexagon head bolt fastener alternative, wherein: the first spare holes are provided with two to four, the second spare holes are provided with six, and each surface of the nut is provided with one second spare hole.

As the utility model discloses a hexagon head bolt fastener alternative, wherein: the second spare hole is obliquely arranged, and the direction of the second spare hole is opposite to the rotation direction of the nut.

As the utility model discloses a hexagon head bolt fastener alternative, wherein: the bolt head, the round rod, the screw rod and the nut are all galvanized.

As the utility model discloses a hexagon head bolt fastener alternative, wherein: the filling assembly comprises a gasket and an inclined part, the gasket is arranged to be a flexible gasket, the gasket is sleeved outside the round rod, the inclined part is arranged between the bolt head and the round rod, and the inclined part is arranged to be an inclined slope body.

The utility model discloses possess following beneficial effect:

1. this hexagonal head bolt fastener sets up first spare hole through the top at the bolt head, can use the instrument to insert first spare hole then rotatory, can rotate the bolt head to after the outer wall of bolt head spent, unable normal use, screw out the bolt with first spare hole, the same reason, when the wearing and tearing of nut outer wall are serious, difficult when rotating, can utilize the instrument to inject the second spare hole, thereby pull the nut.

2. This hexagonal head bolt fastener sets up the second spare hole slope to the direction of slope is opposite with the direction of nut reversal, when utilizing the second spare hole to rotate the nut, better application of force, thereby can take off the nut from the screw rod comparatively easily.

3. This hexagonal head bolt fastener has set up the rake at the junction of round bar and bolt head, and the gasket has been cup jointed in the round bar outside, through the setting of gasket, damages the surface of work piece and bolt when can preventing bolt and nut from screwing up, through the setting of rake, screws up when the bolt, and gasket and rake laminating to change the shape, the similar toper gasket of the whole shape of gasket can prevent to be pressed from both sides the work piece and take place not hard up when beating or vibrations.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the bolt of the present invention.

Fig. 2 is a schematic view of the nut structure of the present invention.

Fig. 3 is a schematic view of the structure of the present invention.

Fig. 4 is a schematic cross-sectional structure diagram of the present invention.

In the figure: 100. a bolt assembly; 110. a bolt head; 120. a round bar; 130. a screw; 140. a first spare hole; 150. a nut; 160. a second spare hole; 170. hexagonal seamed edges; 200. a fill assembly; 210. a gasket; 220. an inclined portion.

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.

Example 1

This embodiment is intended to facilitate the solution of the above-mentioned problems mentioned in the background art that the outer walls of the nut and the nut are worn to cause the outer walls to be worn away after a long period of unscrewing or screwing, and that screwing or unscrewing will be laborious and slippery, and referring to fig. 1, 2 and 3, a hexagonal-head bolt fastener includes a screw 130 and a nut 150, and the nut 150 is threadedly mounted with the screw 130, and further includes: bolt assembly 100 and packing assembly 200, bolt assembly 100 is used for perfecting the standard part to make up a new hexagon head bolt, and packing assembly 200 is used for filling the clearance between bolt and the work piece, makes the bolt more stable after the installation.

Specifically, as shown in fig. 1, the bolt assembly 100 includes a bolt head 110 and a round bar 120, the round bar 120 is connected to the top of the screw 130, the bolt head 110 is connected to the top of the round bar 120, a first spare hole 140 is formed in the top of the bolt head 110, and a second spare hole 160 is formed in the side of the nut 150.

Referring to fig. 3, the bolt head 110 is a hexagon head bolt, the bolt head 110 is integrally welded to the round bar 120, and the center of the bolt head 110 overlaps the axis of the round bar 120. The round rod 120 and the screw 130 are integrally welded, and the diameters of the round rod 120 and the screw 130 are the same, so that the strength and hardness of the bolts are uniformly distributed, and the uniformity of the bolts is ensured. The bolt head 110, the round rod 120, the screw 130 and the nut 150 are all made of stainless steel, and the bolt head 110, the round rod 120, the screw 130 and the nut 150 are all galvanized, so that corrosion and water resistance can be realized, and the service life of the fastener is prolonged.

Referring to fig. 2, the outer side of the nut 150 is provided with a hexagonal edge 170, and the inner diameter of the nut 150 is matched with the screw 130. The first spare holes 140 are provided in two to four, preferably, four first spare holes 140 are provided in the present embodiment, and the four first spare holes 140 are arranged in an annular array around the center of the bolt head 110 as a circle center. The use of the first spare holes 140 allows at least two first spare holes 140 to be used simultaneously. Six second spare holes 160 are provided, one second spare hole 160 is provided for each face of the nut 150, each second spare hole 160 can be used independently, and the nut 150 can be rotated by inserting a tool and then pulling the tool.

In this embodiment: through setting up first spare hole 140 at the top of bolt head 110, can use the instrument to insert first spare hole 140 and then rotate, can rotate bolt head 110 to after the outer wall of bolt head 110 is spent, unable normal use, screw out the bolt with first spare hole 140, the same way, when the outer wall wearing and tearing of nut 150 are serious, difficult when rotating, can utilize the instrument to insert second spare hole 160, thus pull nut 150.

Example 2

The present embodiment is intended to facilitate solving the problem that the nut 150 is too tightly engaged with the screw 130 and is not easy to rotate, and the present embodiment is an improvement made on the basis of embodiment 1, specifically, referring to fig. 2 and fig. 4, the second spare hole 160 is disposed in an inclined manner, and the conventional nut 150 is easier to be removed than to be tightened, so the second spare hole 160 is opened in a direction opposite to the rotation direction of the nut 150. If the nut 150 moves forward clockwise, the nut 150 rotates reversely counterclockwise, and if the nut 150 rotates reversely counterclockwise, the nut 150 also needs to apply force counterclockwise, so that the nut needs to be pulled counterclockwise after a tool is inserted into the second spare hole 160, and the direction of the force applied is just followed by the reverse direction of the second spare hole 160, so that the nut can rotate more easily and more easily.

In this embodiment: when the second spare hole 160 is inclined in a direction opposite to the reverse direction of the nut 150, a force is applied when the nut 150 is rotated by the second spare hole 160, so that the nut 150 can be easily removed from the screw 130.

Example 3

The present embodiment is intended to promote to solve the problem that the protection of the bolt and the clamped workpiece is small and the anti-loosening capability is poor, and the present embodiment is an improvement made on the basis of embodiment 2, specifically, please refer to fig. 3, a filling assembly 200 includes a gasket 210 and an inclined portion 220, the gasket 210 is configured as a rubber flexible gasket 210, the shape of the gasket 210 can be changed, the gasket 210 is sleeved outside the round rod 120, the inclined portion 220 is configured between the bolt head 110 and the round rod 120, and the inclined portion 220 is configured as an inclined slope body. When the bolt is screwed down, the gasket 210 is attached to the inclined part 220, so that the gasket 210 is extruded to change the shape, the gasket 210 is extruded into a conical gasket from a flat gasket, and a gap with a small angle can be filled, so that the bolt and a clamped workpiece can be protected, and the looseness after the installation can be prevented.

In this embodiment: the inclined part 220 is arranged at the joint of the round rod 120 and the bolt head 110, the gasket 210 is sleeved on the outer side of the round rod 120, the surface of a workpiece and the surface of a bolt can be prevented from being damaged when the bolt is screwed down through the arrangement of the gasket 210, the gasket 210 is attached to the inclined part 220 when the bolt is screwed down through the arrangement of the inclined part 220, so that the shape is changed, the overall shape of the gasket 210 is similar to that of a conical gasket, and looseness can be prevented when the clamped workpiece jumps or vibrates.

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.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and embellishments can be made without departing from the technical principle of the present invention, and these improvements and embellishments should also be regarded as the protection scope of the present invention.

Claims

1. A hexagonal-head bolt fastener, includes screw rod (130) and nut (150), and nut (150) and screw rod (130) threaded mounting, its characterized in that still includes:

the bolt assembly (100) comprises a bolt head (110) and a round rod (120), the round rod (120) is connected to the top of the screw rod (130), the bolt head (110) is connected to the top of the round rod (120), a first spare hole (140) is formed in the top of the bolt head (110), and a second spare hole (160) is formed in the side portion of the nut (150);

a fill assembly (200).

2. A hex head bolt fastener as claimed in claim 1, wherein: the bolt head (110) is a hexagon head bolt, the bolt head (110) and the round rod (120) are integrally welded, and the center of the bolt head (110) is overlapped with the axis of the round rod (120).

3. A hex head bolt fastener as claimed in claim 1, wherein: the round rod (120) and the screw rod (130) are integrally welded, and the diameter of the round rod (120) is the same as that of the screw rod (130).

4. A hex head bolt fastener as claimed in claim 1, wherein: the outer side of the nut (150) is provided with a hexagonal edge (170), and the inner diameter of the nut (150) is matched with the screw (130).

5. The hexagonal-head bolt fastener according to claim 4, wherein: the number of the first spare holes (140) is two to four, the number of the second spare holes (160) is six, and each surface of the nut (150) is provided with one second spare hole (160).

6. A hex head bolt fastener as claimed in claim 1, wherein: the second spare hole (160) is obliquely arranged, and the opening direction of the second spare hole (160) is opposite to the rotation direction of the nut (150).

7. A hex head bolt fastener as claimed in claim 1, wherein: the bolt head (110), the round rod (120), the screw rod (130) and the nut (150) are all subjected to galvanization.

8. A hex head bolt fastener as claimed in claim 1, wherein: the filling assembly (200) comprises a gasket (210) and an inclined part (220), the gasket (210) is arranged to be a flexible gasket (210), the gasket (210) is sleeved on the outer side of the round rod (120), the inclined part (220) is arranged between the bolt head (110) and the round rod (120), and the inclined part (220) is arranged to be an inclined slope body.