CN113681131A

CN113681131A - Cylinder head welding nail

Info

Publication number: CN113681131A
Application number: CN202110959614.2A
Authority: CN
Inventors: 戴培红; 徐勇; 王飞龙; 张国平; 徐奇辉; 林红新; 唐坚锋; 陈双双
Original assignee: Ningbo Jiulong Chuangzhan Fastener Co ltd
Current assignee: Ningbo Jiulong Chuangzhan Fastener Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2021-11-23

Abstract

The invention discloses a cylinder head welding nail, which comprises a first screw rod, a second screw rod and a cylinder head part, wherein a groove is arranged at the center of the rear end of the first screw rod, a lug matched with the groove is arranged at the front end of the second screw rod, the lug is in sliding connection in the groove, the cylinder head part is fixed at the rear end of the second screw rod, an arc ignition point is arranged at the front end of the first screw rod, a stop block is arranged at the inner side of the groove, an installation groove is arranged at the side surface of the lug, a fixture block is arranged in the installation groove, the fixture block is rotatably connected in the installation groove through a connecting rod, a return spring is connected between the connecting rod and the fixture block, and the fixture block can be clamped with the lug. The welding nail is reduced to slide off.

Description

Cylinder head welding nail

Technical Field

The invention relates to the technical field of fasteners, in particular to a cylindrical head welding nail.

Background

The cylinder head welding nail is short for the cylinder head welding nail for arc stud welding, belongs to a fastener of high strength rigidity connection, but the cylinder head welding nail among some machine parts will be along with the landing of rocking of part when using for a long time, consequently can influence the life of machine, and then can bring danger for people, even shut down and shut down production, give people and bring great economic loss.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a cylindrical head welding nail to solve the problems in the prior art.

In order to solve the technical problem, the invention is solved by the following technical scheme:

the utility model provides a cylinder head welding nail, includes first screw rod, second screw rod and cylinder head, first screw rod rear end center department is equipped with the recess, second screw rod front end be equipped with recess matched with lug, the lug slips in the recess, the cylinder head is fixed at second screw rod rear end, first screw rod front end is equipped with the arc ignition point, the recess inboard is equipped with the dog, the lug side is equipped with the mounting groove, be equipped with the fixture block in the mounting groove, the fixture block passes through the connecting rod and rotates to be connected in the mounting groove, be connected with reset spring between connecting rod and the fixture block, the fixture block can with lug looks joint.

Preferably, the block has a triangular cross section.

Preferably, a cushion pad is arranged between the first screw and the second screw.

Preferably, the bottom of the groove is provided with a limiting rod, the front end of the bump is provided with a limiting groove, and the limiting rod can be inserted into the limiting groove.

Preferably, a spring is arranged between the lug and the groove, and the spring is sleeved on the limiting rod.

Preferably, the front end of the head of the cylinder is provided with a magnet, and the front end of the magnet is convexly provided with a magnet column.

Preferably, the rear end of the cylindrical head is provided with a plum blossom groove.

Preferably, a rubber pad is bonded to the front end of the head of the cylinder, and a through hole for the magnet column to pass through is formed in the rubber pad.

The invention has the advantages that:

the first screw rod and the second screw rod are connected in a sliding mode, the hard connection between the original fastener screw rod and a machine is changed, so that deformation and loosening are not prone to occurring, the welding nail is further fixed with equipment tightly through the magnet, and the sliding of the welding nail is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be discussed below, it is obvious that the technical solutions described in conjunction with the drawings are only some embodiments of the present invention, and for those skilled in the art, other embodiments and drawings can be obtained according to the embodiments shown in the drawings without creative efforts.

FIG. 1 is a schematic diagram of the present invention.

Fig. 2 is an exploded view of the present invention.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood 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 derived by a person skilled in the art from the embodiments described herein without the need for inventive work, are within the scope of the present invention.

As shown in fig. 1 to 2, a cylinder head welding nail comprises a first screw rod 1, a second screw rod 2 and a cylinder head 3, wherein a groove 6 is arranged at the center of the rear end of the first screw rod 1, a convex block 7 matched with the groove 6 is arranged at the front end of the second screw rod 2, the convex block 7 is connected in the groove 6 in a sliding manner, the cylinder head 3 is fixed at the rear end of the second screw rod 2, an arc ignition point 4 is arranged at the front end of the first screw rod 1, a stop block 9 is arranged at the inner side of the groove 6, a mounting groove is arranged at the side surface of the convex block 7, a fixture block 11 is arranged in the mounting groove, the fixture block 11 is rotatably connected in the mounting groove through a connecting rod, a return spring is connected between the connecting rod and the fixture block 11, the fixture block 11 can be connected with the convex block 7 in a clamping manner, the section of the stop block 9 is triangular, a cushion 12 is arranged between the first screw rod 1 and the second screw rod 2, a limit rod 10 is arranged at the bottom of the groove 6, the utility model discloses a convenient, simple, convenient and practical, the lug 7 front end is equipped with the spacing groove, gag lever post 10 can insert the spacing inslot, be equipped with the spring between lug 7 and the recess 6, the spring housing is established on gag lever post 10, 3 front ends of cylinder head are equipped with magnet 13, the protruding magnet post that is equipped with in 13 front ends of magnet, 3 rear ends of cylinder head are equipped with

plum blossom groove

5, 3 front ends of cylinder head bond there is rubber pad 8, be equipped with the through-hole that supplies the magnet post to pass on the rubber pad 8.

The working principle of the invention is that the convex block 7 at the front end of the second screw 2 is inserted into the groove 6 during installation, because the cross section of the stop block 9 is triangular, the block 11 gradually rotates towards the installation groove during insertion, so that the convex block 7 can be smoothly inserted into the groove 6, the block 11 is inserted and then rotates outwards under the action of the reset spring, when the second screw 2 moves backwards, the block 9 blocks the block 11, so that the convex block 7 can not be separated from the groove 6, the convex block 7 can move forwards and backwards in the groove 6 in a small range during shaking of the machine, so as to counteract partial stress, the limit rod 10 can be inserted into the limit groove, the limit rod 10 is matched with the limit groove to play a limiting role, so that the convex block 7 can slide on the limit rod 10, a spring is arranged between the convex block 7 and the groove 6, the spring further reduces the direct stress of the screw, so as to prevent the screw from loosening with the machine, a cushion 12 is arranged between the first screw 1 and the second screw 2, the cushion 12 can prevent that take place violent collision when first screw rod 1 and second screw rod 2 relative movement to prevent the damage of first screw rod 1 and second screw rod 2 junction, 3 front ends of cylinder head are equipped with magnet 13, and magnet 13 can be adsorbed the spare part of being connected with the machine, can prevent that spare part pine from taking off, and the frictional force between rubber pad 8 multiplicable cylinder head 3 and the spare part, further prevents that spare part pine from taking off.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. The scope of the invention is indicated by the appended claims, rather than the foregoing description, and all changes that 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 cylinder head welding nail is characterized by comprising a first screw rod (1), a second screw rod (2) and a cylinder head part (3), a groove (6) is arranged at the center of the rear end of the first screw rod (1), a lug (7) matched with the groove (6) is arranged at the front end of the second screw rod (2), the convex block (7) is connected in the groove (6) in a sliding way, the cylindrical head (3) is fixed at the rear end of the second screw rod (2), the front end of the first screw rod (1) is provided with an arc ignition point (4), the inner side of the groove (6) is provided with a stop block (9), the side surface of the convex block (7) is provided with an installation groove, a clamping block (11) is arranged in the installation groove, the fixture block (11) is rotatably connected in the mounting groove through a connecting rod, a return spring is connected between the connecting rod and the fixture block (11), and the fixture block (11) can be clamped with the projection (7) in a connecting mode.

2. Stud according to claim 1, characterized in that the stop (9) is triangular in cross-section.

3. Stud according to claim 1, characterized in that a buffer pad (12) is provided between the first screw (1) and the second screw (2).

4. Stud according to claim 1, characterized in that the recess (6) is provided at the bottom with a stop rod (10) and the projection (7) is provided at the front with a stop groove, into which the stop rod (10) can be inserted.

5. Cylinder head weld stud according to claim 4, characterized in that a spring is provided between the projection (7) and the recess (6), which spring is fitted over the stop rod (10).

6. A brad nail according to claim 1, wherein the front end of the cylindrical head (3) is provided with a magnet (13), and the front end of the magnet (13) is provided with a magnet post in a protruding manner.

7. Stud according to claim 1, characterized in that the rear end of the cylindrical head (3) is provided with a quincunx groove (5).

8. The stud welding according to claim 6, wherein a rubber pad (8) is bonded to the front end of the stud welding (3), and the rubber pad (8) is provided with a through hole for the magnet post to pass through.