CN216278877U

CN216278877U - Projection welding bolt

Info

Publication number: CN216278877U
Application number: CN202121205944.4U
Authority: CN
Inventors: 黄献峰
Original assignee: Yueqing Shunfeng Fastener Co ltd
Current assignee: Yueqing Shunfeng Fastener Co ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2022-04-12
Anticipated expiration: 2031-06-01

Abstract

The utility model discloses a projection welding bolt which comprises a stud, a bolt head, a through hole, threads, a Teflon coating layer, a fixed column and a tightening disc, wherein the bolt head is arranged at one end of the stud, a fixed plate is movably arranged at the top of the bolt head, the through hole is formed in the front face of the bolt head, the Teflon coating layer is arranged on the surface of the stud, the fixed column is arranged at the other end of the stud, and a reinforcing block is arranged at the top of the fixed column. The reinforcing block and the restoring spring are matched for use, so that a hand-held bolt is not needed for welding during welding, the risk of scalding hands is reduced, the friction force between the bolt and a welding surface is enhanced by the fixing ring, the welding firmness is enhanced, the welding point is sealed by the sealing ring, the protection of the welding point is enhanced, the wear resistance of the bolt is enhanced by the Teflon coating layer, when the bolt is mounted and clamped and cannot be detached, the interior of the bolt can be damaged by the through hole, the bolt is damaged, the detachment is convenient, and meanwhile, a fixed object cannot be damaged.

Description

Projection welding bolt

Technical Field

The utility model relates to the technical field of projection welding bolts, in particular to a projection welding bolt.

Background

A bolt is a mechanical part, and a cylindrical threaded fastener matched with a nut. Projection welding is a high-efficiency welding method capable of simultaneously performing multiple spot welding, and can be used instead of arc welding, brazing, and bite welding. In some particular cases, in order to save the assembly time of the bolt, the bolt may be used in combination with projection welding.

Thus, although a projection bolt is known by examining application No. 201220660565.9, there are some technical drawbacks, and there is a need for a projection bolt:

1. the existing projection welding bolt has poor welding and fixing effects, when welding and fixing are carried out, the bolt needs to be held by hand for welding, the hand is easily scalded, meanwhile, the welding point is easy to damage after being used for a long time, so that the bolt is not firmly welded, the fixing effect is influenced, and the use is inconvenient;

2. the existing projection welding bolt has poor wear resistance, is seriously worn in long-time use, greatly shortens the service life of the bolt when being frequently disassembled, and can be prevented from being disassembled due to the dead installation of the bolt, thereby influencing the use effect;

3. the existing projection welding bolt is poor in fixed connection effect, when the projection welding bolt is used on a vehicle, the bolt can be subjected to strong vibration along with the movement of the vehicle, the bolt is prone to falling due to overlong time, the bolt is inconvenient to maintain, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a projection bolt, which solves the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a projection welding bolt, includes double-screw bolt, bolt head, through-hole, screw thread, teflon dope layer, fixed column and screws up the dish, the one end of double-screw bolt is equipped with the bolt head, the top activity of bolt head is equipped with the fixed plate, the front of bolt head is equipped with the through-hole, the surface of double-screw bolt is equipped with the teflon dope layer, the other end of double-screw bolt is equipped with the fixed column, the top of fixed column is equipped with the reinforcing piece, the one end of fixed column is equipped with screws up the dish, the front of screwing up the dish is equipped with solid fixed ring, gu fixed ring's inside is equipped with the sealing washer, the inside of sealing washer is equipped with the welding bump.

Preferably, one side of the stud is provided with a nameplate mark, and the outside of the stud is provided with threads.

Preferably, the top surface of the bolt head is provided with a pressing groove, and the pressing groove is connected with the fixing plate through a restoring spring I.

Preferably, the front of the through hole is provided with a protective net, and the protective net is connected with the through hole through reinforcing wires.

Preferably, the top surface of fixed column is equipped with the recess, and is connected through two of reset spring between recess and the reinforcing block.

Preferably, the back of the tightening plate is provided with a tightening groove, and a reinforcing wire is arranged inside the tightening groove.

Compared with the prior art, the utility model has the beneficial effects that: this projection welding bolt is rational in infrastructure, has following advantage:

1. the reinforcing block and the restoring spring are used in a matched mode, so that the bolt can be fixed, the bolt can be conveniently fixed inside the screw hole, the bolt does not need to be held by hand for welding during welding, the risk of scalding hands is reduced, meanwhile, the limiting stability is enhanced, welding is carried out through the welding salient points, the friction force between the bolt and a welding surface is enhanced through the fixing ring, the bolt is prevented from shaking, the welding firmness is enhanced, meanwhile, the welding point is sealed through the sealing ring, the welding point is prevented from being permeated by water or moisture, the protection of the welding point is enhanced, the damage of the welding point is prevented, the welding stability and firmness are enhanced, and the use is more convenient.

2. According to the utility model, the wear resistance of the bolt is enhanced through the Teflon coating layer, the Teflon coating layer has the performances of high temperature resistance, thermal shock resistance, wear resistance and the like, the service performance of the bolt can be improved by coating the bolt, the wear resistance of the bolt is enhanced, the service life of the bolt is prolonged, when the bolt is mounted and clamped and cannot be dismounted, the bolt can be damaged through the through hole, so that the bolt is damaged and convenient to dismount, a fixed object cannot be damaged, the through hole can be prevented from being blocked through the protective net, and the use is more convenient.

3. According to the utility model, the connecting effect of the bolt and a fixed object can be enhanced through the fixing plate, when the bolt loosens and falls, the fixing plate can clamp the bolt and the screw hole, so that the bolt is prevented from falling, the bolt is convenient to maintain and reinforce, the economic loss caused by the falling of the bolt is reduced, and the use is more convenient.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a side view of the present invention;

FIG. 4 is a schematic view of a fixing post according to the present invention;

fig. 5 is a partial structural view of the bolt head of the present invention.

In the figure: 1. a stud; 101. a nameplate label; 2. a bolt head; 201. a fixing plate; 202. pressing the groove; 203. A first restoring spring; 3. a through hole; 301. a protective net; 4. a thread; 5. a Teflon coating layer; 6. fixing a column; 601. a reinforcing block; 602. a groove; 603. a second restoring spring; 7. screwing down the disc; 701. welding the salient points; 702. a fixing ring; 703. a seal ring; 704. and screwing down the groove.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, an embodiment of the present invention is shown: a projection welding bolt comprises a stud 1, a bolt head 2, a through hole 3, a thread 4, a Teflon coating layer 5, a fixed column 6 and a tightening plate 7, wherein a nameplate mark 101 is arranged on one side of the stud 1, the thread 4 is arranged outside the stud 1, the bolt head 2 is arranged at one end of the stud 1, a fixed plate 201 is movably arranged at the top of the bolt head 2, a pressing groove 202 is arranged on the top surface of the bolt head 2, the pressing groove 202 is connected with the fixed plate 201 through a first restoring spring 203, the through hole 3 is arranged on the front surface of the bolt head 2, a protective net 301 is arranged on the front surface of the through hole 3, the Teflon coating layer 5 is arranged on the surface of the stud 1, the fixed column 6 is arranged at the other end of the stud 1, a reinforcing block 601 is arranged on the top of the fixed column 6, a groove 602 is arranged on the top surface of the fixed column 6, the groove 602 is connected with the reinforcing block 601 through a second restoring spring 603, the tightening plate 7 is arranged at one end of the fixed column 6, a fixing ring 702 is provided on the front surface of the tightening plate 7, a seal ring 703 is provided inside the fixing ring 702, a welding projection 701 is provided inside the seal ring 703, and a tightening groove 704 is provided on the rear surface of the tightening plate 7.

Specifically, a reinforcing block 601 is arranged at the top of the fixing column 6, a groove 602 is arranged on the top surface of the fixing column 6, the groove 602 is connected with the reinforcing block 601 through a second restoring spring 603, a tightening disc 7 is arranged at one end of the fixing column 6, a fixing ring 702 is arranged on the front surface of the tightening disc 7, a sealing ring 703 is arranged inside the fixing ring 702, and a welding bump 701 is arranged inside the sealing ring 703;

specifically, a teflon coating layer 5 is arranged on the surface of the stud 1, a through hole 3 is arranged on the front side of the bolt head 2, and a protective net 301 is arranged on the front side of the through hole 3;

specifically, be equipped with fixed plate 201 through the top activity at bolt head 2, be equipped with at the top surface of bolt head 2 and press groove 202, and press and be connected through a reset spring 203 between groove 202 and the fixed plate 201, can strengthen the connection effect of bolt and fixed object through fixed plate 201, when the bolt is not hard up to drop, fixed plate 201 can block bolt and screw to prevent that the bolt from dropping, be convenient for maintain the reinforcement to the bolt, it is comparatively convenient to use.

The working principle is as follows: firstly, when the bolt is installed, the reinforcing block 601 is matched with the second restoring spring 603, the bolt and the screw hole can be fixedly butted, the bolt can be conveniently fixed in the screw hole, the bolt can be welded without holding the bolt by hands during welding, welding is carried out by using the welding salient points 701, the friction force between the bolt and a welding surface is enhanced by using the fixing ring 702, the bolt is prevented from shaking, and the welding point is sealed by using the sealing ring 703.

It will be evident to those skilled in the art that the utility model 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 utility model 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.

Claims

1. The utility model provides a projection welding bolt, includes double-screw bolt (1), bolt head (2), through-hole (3), screw thread (4), teflon dope layer (5), fixed column (6) and screws up dish (7), its characterized in that: the one end of double-screw bolt (1) is equipped with bolt head (2), the top activity of bolt head (2) is equipped with fixed plate (201), the front of bolt head (2) is equipped with through-hole (3), the surface of double-screw bolt (1) is equipped with teflon dope layer (5), the other end of double-screw bolt (1) is equipped with fixed column (6), the top of fixed column (6) is equipped with reinforcing block (601), the one end of fixed column (6) is equipped with screws up dish (7), the front of screwing up dish (7) is equipped with solid fixed ring (702), the inside of solid fixed ring (702) is equipped with sealing washer (703), the inside of sealing washer (703) is equipped with welding bump (701).

2. A projection bolt according to claim 1, wherein: one side of the stud (1) is provided with a nameplate mark (101), and the outside of the stud (1) is provided with a thread (4).

3. A projection bolt according to claim 1, wherein: the top surface of the bolt head (2) is provided with a pressing groove (202), and the pressing groove (202) is connected with the fixing plate (201) through a first restoring spring (203).

4. A projection bolt according to claim 1, wherein: the front of through-hole (3) is equipped with protection network (301), be connected through the reinforcement silk between protection network (301) and through-hole (3).

5. A projection bolt according to claim 1, wherein: the top surface of fixed column (6) is equipped with recess (602), and is connected through two (603) of reset spring between recess (602) and the reinforcing block (601).

6. A projection bolt according to claim 1, wherein: the back of the tightening disc (7) is provided with a tightening groove (704), and a reinforcing wire is arranged inside the tightening groove (704).