阅读说明：本技术 抗冲击释压功能的固定汽车安全带用焊接螺母及使用方法 (Welding nut with impact-resistant pressure-release function for fixing automobile safety belt and use method ) 是由 张伟星 于 2021-08-13 设计创作，主要内容包括：本发明公开了抗冲击释压功能的固定汽车安全带用焊接螺母及使用方法,涉及汽车安全带用焊接螺母技术领域,为解决现有焊接螺母和螺杆进行连接时,螺杆的牙壁与焊接螺母的牙壁会存在较小的间隙,从而使得螺杆和焊接螺母固定不够稳定,在时间过长后,容易由于震动而发生松动的问题。所述螺母本体的下端面固定设置有限位柱,且限位柱设置有若干个,所述螺母本体的上方设置有加固帽,所述加固帽的内部设置有安装槽,且安装槽设置有若干个,所述加固帽的下端面开设有通槽,且通槽设置有若干个,所述通槽与安装槽互相贯通,所述安装槽的内部设置有加固机构,所述加固机构的上方设置有止挡机构。(The invention discloses a welding nut with an impact-resistant pressure-release function for fixing an automobile safety belt and a using method thereof, relates to the technical field of welding nuts for automobile safety belts, and aims to solve the problems that when the existing welding nut is connected with a screw rod, a small gap exists between the tooth wall of the screw rod and the tooth wall of the welding nut, so that the screw rod and the welding nut are not stably fixed enough, and are easy to loosen due to vibration after a long time. The fixed spacing post that is provided with of lower terminal surface of nut body, and spacing post are provided with a plurality of, the top of nut body is provided with the reinforcement cap, the inside of reinforcement cap is provided with the mounting groove, and the mounting groove is provided with a plurality of, logical groove has been seted up to the lower terminal surface of reinforcement cap, and leads to the groove and be provided with a plurality of, it has a perfect understanding mutually with the mounting groove to lead to the groove, the inside of mounting groove is provided with strengthening mechanism, strengthening mechanism's top is provided with backstop mechanism.)

1. Fixed car safety belt of anti-impact pressure release function is with welding nut, including nut body (1), its characterized in that: the fixed spacing post (2) that is provided with of lower terminal surface of nut body (1), and spacing post (2) are provided with a plurality of, the top of nut body (1) is provided with reinforcement cap (3), the inside of reinforcement cap (3) is provided with mounting groove (4), and mounting groove (4) are provided with a plurality of, logical groove (5) have been seted up to the lower terminal surface of reinforcement cap (3), and lead to groove (5) and be provided with a plurality of, lead to groove (5) and mounting groove (4) and link up mutually, the inside of mounting groove (4) is provided with strengthening mechanism (6), the top of strengthening mechanism (6) is provided with backstop mechanism (7).

2. The weld nut for fixing the automobile safety belt with the anti-impact pressure release function according to claim 1, wherein: reinforcing mechanism (6) comprise reinforcing spring (601), sliding plate (602) and reinforcement post (603), reinforcing spring (601) is located the inside of mounting groove (4), sliding plate (602) are located the below of reinforcing spring (601), and sliding plate (602) are located the inside of mounting groove (4), the outer wall of sliding plate (602) and the laminating of the inner wall of mounting groove (4) and sliding fit, reinforcement post (603) fixed connection is at the lower terminal surface of sliding plate (602), and the one end of reinforcement post (603) is pegged graft in the inside that leads to groove (5), the outer wall of reinforcement post (603) and the laminating of the inner wall that leads to groove (5) and sliding fit, and the one end of reinforcement post (603) extends to the below of strengthening cap (3).

3. The weld nut for fixing the automobile safety belt with the anti-impact pressure release function according to claim 1, wherein: the upper end face of the reinforcing cap (3) is provided with a plurality of placing grooves (8), and the placing grooves (8) are communicated with the mounting grooves (4).

4. The weld nut for fixing the automobile safety belt with the anti-impact pressure release function according to claim 3, characterized in that: inserting grooves (9) have been seted up to the inner wall of standing groove (8), and inserting grooves (9) are provided with four, four stopping groove (10) have all been seted up to the inner wall of inserting grooves (9), via hole (11) have been seted up to the top inner wall of stopping groove (10), screw hole (12) have been seted up to the below inner wall of stopping groove (10).

5. The weld nut for fixing the automobile safety belt with the anti-impact pressure release function according to claim 4, wherein: backstop mechanism (7) comprise backstop board (701), backstop piece (702) and jack (703), backstop board (701) are pegged graft in the inside of standing groove (8), the outer wall of backstop board (701) and the inner wall laminating and the sliding fit of standing groove (8), backstop piece (702) are provided with four, four backstop piece (702) fixed connection respectively is at the outer wall of backstop board (701), and backstop piece (702) are pegged graft in the inside of backstop groove (10), the length of backstop piece (702) is less than the length of inserting groove (9), the up end and the lower terminal surface of backstop piece (702) are laminated and the sliding fit with the top inner wall and the below inner wall of backstop groove (10) respectively, jack (703) have been seted up to the inside of backstop piece (702), and jack (703) link up mutually with through hole (11) and screw hole (12).

6. The weld nut for fixing an automobile safety belt with an anti-impact pressure release function according to claim 5, wherein: the stop block (702) is fixedly connected with the inner wall of the stop groove (10) through a fixing screw (13), the fixing screw (13) is inserted into the through hole (11) and the insertion hole (703), and one end of the fixing screw (13) is in threaded connection with the screw hole (12).

7. The weld nut for fixing an automobile safety belt with an anti-impact pressure release function according to claim 6, wherein: the upper end face of the stop plate (701) is provided with a yielding groove (14), and a pulling plate (15) is fixedly arranged inside the yielding groove (14).

8. The weld nut for fixing the automobile safety belt with the anti-impact pressure release function according to claim 1, wherein: the outer wall of the reinforcing cap (3) is provided with a screw tooth groove (16).

9. The use method of the welding nut for fixing the automobile safety belt based on the anti-impact pressure release function of any one of claims 1 to 8 is characterized by comprising the following steps:

the method comprises the following steps: when the nut body (1) needs to be welded, firstly, counter bores matched with the limiting columns (2) in a sliding mode are drilled on a welding surface, so that the limiting columns (2) can be inserted into the counter bores in a sliding mode, then, when the nut body (1) is welded, welding bosses can be inserted into the counter bores, the welding bosses are welded with the inner walls of the counter bores, the nut body (1) is welded and fixed, the limiting columns (2) are inserted into the counter bores, and therefore the torsion resistance of welding points between the nut body (1) and the welding surface is better through limiting of the counter bores and the limiting columns (2);

step two: then, when the screw rod and the nut body (1) need to be fixed through threads, the screw rod is connected to the inside of a screw hole of the nut body (1) in a threaded mode, and then the reinforcing cap (3) is sleeved on the outer wall of the screw rod in a threaded mode, so that the lower end face of the reinforcing cap (3) is attached to the outer wall of the upper end face of the nut body (1);

step three: after the lower end surface of the reinforcing cap (3) is jointed with the upper end surface of the nut body (1), the reinforcing column (603) returns to the inside of the mounting groove (4) through extrusion, so that the reinforcing column (603) compresses the reinforcing spring (601) through the sliding plate (602), when the reinforcing spring (601) is compressed, the reinforcing spring (601) rebounds the stop plate (701) upwards, and the stop block (702) on the outer wall of the stop plate (701) is inserted into the inside of the stop groove (10), and the stop block (702) and the stop groove (10) are fixed through the fixing screw (13), so that the stop plate (701) cannot rebound upwards, so that the force of the reinforcing spring (601) exerts pressure upwards on the reinforcing cap (3), so that the tooth wall of the screw hole in the reinforcing cap (3) is tightly jointed with the tooth wall of the screw rod due to the upward force of the reinforcing spring (601), and the reinforcing cap (3) transmits the upward force to the screw rod through the tooth wall, therefore, the screw rod can be moved upwards, and the tooth wall of the screw rod can be tightly attached to the tooth wall of the screw hole in the nut body (1).

Technical Field

The invention relates to the technical field of a welding nut for an automobile safety belt, in particular to a welding nut with an impact-resistant pressure-release function for fixing the automobile safety belt and a using method thereof.

Background

The safety belt of an automobile is a safety device for restraining a passenger in a collision, preventing the passenger from being collided with a steering wheel, an instrument panel and the like for a second time or being rushed out of the automobile in the collision, and causing a death and injury, and generally, when the safety belt of the automobile is installed, a nut and a screw are welded and are connected through a thread to fix the safety belt.

When the existing welding nut is connected with a screw rod, a small gap exists between the tooth wall of the screw rod and the tooth wall of the welding nut, so that the screw rod and the welding nut are not stably fixed, and are easy to loosen due to vibration after a long time; therefore, the existing requirements are not met, and the welding nut for fixing the automobile safety belt with the anti-impact pressure release function and the using method are provided.

Disclosure of Invention

The invention aims to provide a welding nut with an impact-resistant pressure-release function for fixing an automobile safety belt and a using method thereof, and aims to solve the problems that when the existing welding nut and a screw rod provided in the background art are connected, a small gap exists between the tooth wall of the screw rod and the tooth wall of the welding nut, so that the screw rod and the welding nut are not stably fixed enough, and are easy to loosen due to vibration after a long time.

In order to achieve the purpose, the invention provides the following technical scheme: the welding nut with the anti-impact pressure release function for fixing the automobile safety belt comprises a nut body, wherein a limiting column is fixedly arranged on the lower end face of the nut body, a plurality of limiting columns are arranged on the limiting columns, a reinforcing cap is arranged above the nut body, a mounting groove is formed in the reinforcing cap, a plurality of mounting grooves are formed in the mounting groove, a through groove is formed in the lower end face of the reinforcing cap, a plurality of through grooves are formed in the through groove, the through groove is communicated with the mounting groove, a reinforcing mechanism is arranged in the mounting groove, and a stop mechanism is arranged above the reinforcing mechanism.

Preferably, the reinforcing mechanism comprises reinforcing spring, sliding plate and reinforcing column, reinforcing spring is located the inside of mounting groove, the sliding plate is located reinforcing spring's below, and the sliding plate is located the inside of mounting groove, the outer wall of sliding plate and the inner wall laminating and the sliding fit of mounting groove, reinforcing column fixed connection is at the lower terminal surface of sliding plate, and the one end of reinforcing column is pegged graft in the inside that leads to the groove, the outer wall of reinforcing column and the inner wall laminating and the sliding fit that lead to the groove, and the one end of reinforcing column extends to the below of reinforcing cap.

Preferably, a plurality of placing grooves are formed in the upper end face of the reinforcing cap, and the placing grooves are communicated with the mounting grooves.

Preferably, the inner wall of standing groove has seted up the inserting groove, and the inserting groove is provided with four, four the backstop groove has all been seted up to the inner wall of inserting groove, the via hole has been seted up to the top inner wall in backstop groove, the screw hole has been seted up to the below inner wall in backstop groove.

Preferably, backstop mechanism comprises backstop board, backstop piece and jack, the backstop board is pegged graft in the inside of standing groove, the outer wall of backstop board and the inner wall laminating and the sliding fit of standing groove, the backstop piece is provided with four, four backstop piece fixed connection is respectively at the outer wall of backstop board, and the backstop piece is pegged graft in the inside of backstop groove, the length of backstop piece is less than the length of inserting groove, the up end and the lower terminal surface of backstop piece laminate and the sliding fit with the top inner wall and the below inner wall in backstop groove respectively, the jack has been seted up to the inside of backstop piece, and the jack link up mutually with via hole and screw hole.

Preferably, the stop block is fixedly connected with the inner wall of the stop groove through a fixing screw, the fixing screw is inserted into the through hole and the jack, and one end of the fixing screw is in threaded connection with the screw hole.

Preferably, the upper end face of the stop plate is provided with a yielding groove, and a pulling plate is fixedly arranged inside the yielding groove.

Preferably, the outer wall of the reinforcing cap is provided with a wrench tooth groove.

The use method of the welding nut with the anti-impact pressure-release function for fixing the automobile safety belt comprises the following steps:

the method comprises the following steps: when the nut body needs to be welded, firstly, counter bores matched with the limiting columns in a sliding mode are drilled on a welding surface, so that the limiting columns can be inserted into the counter bores in a sliding mode, then, when the nut body is welded, the welding bosses can be inserted into the counter bores, the welding bosses are welded with the inner walls of the counter bores, the nut body is fixedly welded, the limiting columns are inserted into the counter bores, and therefore the torsion resistance of welding points between the nut body and the welding surface is better due to the limiting of the counter bores and the limiting columns;

step two: then, when the screw rod and the nut body need to be fixed through threads, the screw rod is connected inside the screw hole of the nut body in a threaded mode, and then the reinforcing cap is sleeved on the outer wall of the screw rod in a threaded mode, so that the lower end face of the reinforcing cap is attached to the outer wall of the upper end face of the nut body;

step three: after the lower terminal surface of strengthening cap and the up end laminating of nut body, the strengthening post can return to the inside of mounting groove through the extrusion, thereby the strengthening post can compress the reinforcing spring through the sliding plate, when reinforcing spring compresses, the reinforcing spring can upwards bounce-back the backstop board, and because the inside in backstop groove is pegged graft to the backstop piece of backstop board outer wall, and backstop piece and backstop groove are fixed through the set screw, thereby the backstop board can't upwards bounce-back, consequently, the power of reinforcing spring can upwards exert pressure with the strengthening cap, thereby the tooth wall of the inside screw of strengthening cap can be owing to the upwards power of reinforcing spring closely laminate with the tooth wall of screw rod, and the strengthening cap can pass through the tooth wall with the upwards power and transmit the screw rod for, thereby the screw rod can be by the rebound, consequently, the tooth wall of screw rod can closely laminate with the tooth wall of the inside screw of nut body.

Compared with the prior art, the invention has the beneficial effects that:

1. the safety belt device is fixed by welding the nut body and the screw rod through the arrangement of the reinforcing cap, the reinforcing mechanism, the stopping mechanism and the nut body, the reinforcing cap can be sleeved on the outer wall of the screw rod in a threaded manner, the lower end surface of the reinforcing cap is attached to the outer wall of the upper end surface of the nut body, the reinforcing column can return to the inside of the mounting groove through extrusion after the lower end surface of the reinforcing cap is attached to the upper end surface of the nut body, the reinforcing spring can be compressed through the sliding plate, the stopping plate can be rebounded upwards by the reinforcing spring when the reinforcing spring is compressed, and the stopping block on the outer wall of the stopping plate is inserted into the stopping groove, and the stopping block and the stopping groove are fixed through the fixing screw, so that the stopping plate can not rebound upwards, the force of the reinforcing spring can upwards apply pressure to the nut, thereby the tooth wall of the inside screw of reinforcement cap can be owing to the upwards power of reinforcing spring closely laminate with the tooth wall of screw rod to the reinforcement cap can pass through tooth wall transmission for the screw rod with upwards power, thereby the screw rod can be by the rebound, consequently the tooth wall of screw rod can closely laminate with the tooth wall of the inside screw of nut body, when making screw rod and weld nut fix, fixed more firm, thereby avoid having the clearance between the tooth wall of screw rod and the nut body, cause and take place not hard up the condition because vibrations.

2. Through setting up spacing post, thereby when needs weld the nut body, at first drill out on the face of weld with spacing post sliding fit's counter bore each other, make spacing post can slide and peg graft inside the counter bore, later when welding the nut body, can peg graft the inside at the counter bore with the welding boss, weld the inner wall of welding boss and counter bore, thereby carry out welded fastening with the nut body, and spacing post is pegged graft in the inside of counter bore, thereby spacing through counter bore and spacing post, make the antitorque nature of welding point better between nut body and the face of weld.

3. Through setting up the standing groove, the backstop groove, the inserting groove, the backstop board, the backstop piece, thereby when needs change reinforcing spring, can change through demolising the backstop board, thereby be convenient for later maintenance, and through inserting groove and backstop groove, thereby make when pegging graft the inside of standing groove with the backstop board, can rotate the backstop board, make the backstop piece peg graft in the inside of backstop groove, thereby through the dual fixed of fixed screw and backstop groove, make the fixed more firm of backstop board, avoid reinforcing spring elasticity too big fly with the backstop board bullet.

Drawings

FIG. 1 is a schematic overall front cross-sectional structural view of the present invention;

FIG. 2 is a schematic enlarged view of a portion of the area A of FIG. 1 according to the present invention;

FIG. 3 is a schematic enlarged view of a portion of the area B of FIG. 1 according to the present invention;

FIG. 4 is a schematic perspective view of a reinforcing cap according to the present invention;

FIG. 5 is a partial enlarged view of the area C of FIG. 4 according to the present invention;

FIG. 6 is a perspective view of the stopper plate of the present invention;

FIG. 7 is a schematic top view of the stopper plate of the present invention;

in the figure: 1. a nut body; 2. a limiting column; 3. a reinforcement cap; 4. mounting grooves; 5. a through groove; 6. a reinforcement mechanism; 7. a stopper mechanism; 8. a placement groove; 9. inserting grooves; 10. a stopper groove; 11. a via hole; 12. a screw hole; 13. fixing screws; 14. a yielding groove; 15. a plate is pulled; 16. a wrench socket; 601. reinforcing the spring; 602. a sliding plate; 603. reinforcing columns; 701. a stopper plate; 702. a stop block; 703. and (4) inserting the jack.

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.

Referring to fig. 1-7, an embodiment of the present invention is shown: the welding nut with the anti-impact pressure release function for fixing the automobile safety belt comprises a nut body 1, a limiting column 2 is fixedly arranged on the lower end face of the nut body 1, and the limiting column 2 is provided with a plurality of welding bosses, as shown in fig. 1, the lower end face of the limiting column 2 is fixedly provided with a welding boss, a reinforcing cap 3 is arranged above the nut body 1, a screw hole is formed in the reinforcing cap 3, the size of the screw hole of the reinforcing cap 3 is the same as that of the screw hole of the nut body 1, a mounting groove 4 is formed in the reinforcing cap 3, the mounting groove 4 is provided with a plurality of welding bosses, a through groove 5 is formed in the lower end face of the reinforcing cap 3, the through groove 5 is provided with a plurality of welding bosses, the through groove 5 is communicated with the mounting groove 4, a reinforcing mechanism 6 is arranged in the mounting groove 4, and a stop mechanism 7 is arranged above the reinforcing mechanism 6.

Further, the reinforcing mechanism 6 is composed of a reinforcing spring 601, a sliding plate 602 and a reinforcing column 603, the reinforcing spring 601 is located inside the installation groove 4, the sliding plate 602 is located below the reinforcing spring 601, the sliding plate 602 is located inside the installation groove 4, the outer wall of the sliding plate 602 is attached to and in sliding fit with the inner wall of the installation groove 4, the reinforcing column 603 is fixedly connected to the lower end face of the sliding plate 602, one end of the reinforcing column 603 is inserted into the through groove 5, the outer wall of the reinforcing column 603 is attached to and in sliding fit with the inner wall of the through groove 5, one end of the reinforcing column 603 extends to the lower portion of the reinforcing cap 3, and the reinforcing column 603 is arranged so as to control compression of the sliding plate 602 and the reinforcing spring 601 through the reinforcing column 603, as shown in fig. 1, one end of the reinforcing column 603 is provided with a spherical surface.

Further, standing groove 8 has been seted up to the up end of reinforcement cap 3, and standing groove 8 is provided with a plurality of, and standing groove 8 and mounting groove 4 link up mutually, through setting up standing groove 8 to make backstop plate 701 can peg graft in the inside of standing groove 8.

Further, inserting groove 9 has been seted up to the inner wall of standing groove 8, and inserting groove 9 is provided with four, stopping groove 10 has all been seted up to the inner wall of four inserting groove 9, via hole 11 has been seted up to the top inner wall of stopping groove 10, screw hole 12 has been seted up to the below inner wall of stopping groove 10, as shown in fig. 5, the counter sink has been seted up to the top of via hole 11, through setting up stopping groove 10, thereby carry out spacingly through stopping groove 10 to backstop piece 702, make backstop board 701 unable the shifting up under reinforced spring 601's bounce-back.

Further, backstop mechanism 7 is by backstop board 701, backstop 702 and jack 703 constitute, backstop board 701 is pegged graft in standing groove 8's inside, the outer wall of backstop board 701 and standing groove 8's inner wall laminating and sliding fit, backstop 702 is provided with four, four backstop 702 are fixed connection respectively at backstop board 701's outer wall, and backstop 702 pegs graft in the inside of backstop groove 10, backstop 702's length is less than the length of inserting groove 9, backstop 702's up end and lower terminal surface laminate and sliding fit with the top inner wall of backstop groove 10 and below inner wall respectively, jack 703 has been seted up to backstop 702's inside, and jack 703 link up mutually with via hole 11 and screw hole 12, through setting up jack 703, thereby the staff can fix backstop 702 through fixed screw 13.

Further, the inner wall fixed connection of backstop piece 702 through set screw 13 and backstop groove 10, set screw 13 is pegged graft in the inside of via hole 11 and jack 703, and the one end and the screw hole 12 threaded connection of set screw 13, through setting up set screw 13 to the staff of being convenient for fixes backstop board 701.

Furthermore, the upper end face of the stop plate 701 is provided with a yielding groove 14, a pulling plate 15 is fixedly arranged inside the yielding groove 14, and the pulling plate 15 is arranged, so that a worker can conveniently rotate the stop plate 701.

Further, the outer wall of the reinforcing cap 3 is provided with a wrench groove 16, and the wrench groove 16 is arranged, so that a worker can rotate the reinforcing cap 3 by a wrench.

The use method of the welding nut with the anti-impact pressure-release function for fixing the automobile safety belt comprises the following steps:

the method comprises the following steps: when the nut body 1 needs to be welded, firstly, counter bores matched with the limiting columns 2 in a sliding mode are drilled on a welding surface, so that the limiting columns 2 can be inserted into the counter bores in a sliding mode, then, when the nut body 1 is welded, welding bosses can be inserted into the counter bores, the welding bosses are welded with the inner walls of the counter bores, the nut body 1 is welded and fixed, the limiting columns 2 are inserted into the counter bores, and therefore the torsion resistance of welding points between the nut body 1 and the welding surface is better due to the limiting of the counter bores and the limiting columns 2;

step two: then, when the screw rod and the nut body 1 need to be fixed through threads, the screw rod is connected inside the screw hole of the nut body 1 in a threaded mode, and then the reinforcing cap 3 is sleeved on the outer wall of the screw rod in a threaded mode, so that the lower end face of the reinforcing cap 3 is attached to the outer wall of the upper end face of the nut body 1;

step three: after the lower end surface of the reinforcing cap 3 is fitted to the upper end surface of the nut body 1, the reinforcing columns 603 are returned to the inside of the installation groove 4 by extrusion, so that the reinforcing post 603 compresses the reinforcing spring 601 through the sliding plate 602, and when the reinforcing spring 601 is compressed, the stopper plate 701 is rebounded upward by the reinforcing spring 601, and since the stop block 702 of the outer wall of the stop plate 701 is inserted into the stop groove 10, and the stop block 702 and the stop groove 10 are fixed by the fixing screw 13, so that the stopper plate 701 cannot be bounced upward, the force of the reinforcement spring 601 presses the reinforcement cap 3 upward, so that the tooth wall of the screw hole inside the reinforcing cap 3 is closely adhered to the tooth wall of the screw due to the upward force of the reinforcing spring 601, and the reinforcing cap 3 transmits the upward force to the screw through the tooth wall, so that the screw rod is moved upward and the tooth wall of the screw rod is tightly attached to the tooth wall of the screw hole inside the nut body 1.

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 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.