CN220354209U - Metal fastener with high tight strength - Google Patents

Abstract

The utility model relates to the technical field of metal fasteners, in particular to a metal fastener with high tight strength, which comprises an arc-shaped plate, wherein a fastening bolt is connected with the side surface of the arc-shaped plate in a threaded manner, an inner plate is sleeved in the arc-shaped plate, a limiting groove is fixedly connected in the inner plate, a movable plate is inserted in the limiting groove, an adjusting bolt is fixedly connected to the outer part of the movable plate, a lock catch is sleeved on the outer part of the fastening bolt, a pressing block is rotatably connected to one side of the lock catch, a clamping block is fixedly connected to the bottom of the pressing block, a bayonet is fixedly connected to the inner part of the arc-shaped plate, the improved metal fastener can realize double fastening and fixing of the arc-shaped plate through the pressing block and the fastening bolt, prevent a metal pipe fitting from falling off due to looseness caused by sending of a certain structure, the fact that the diameter of the inner part of the arc-shaped plate is adjusted through the movable plate and the adjusting bolt is higher in fastening degree, and the fastener can be tightly attached and fixed when facing a metal pipe fitting with smaller pipe diameter.

Description

Metal fastener with high tight strength

Technical Field

The utility model relates to the technical field of metal fasteners, in particular to a metal fastener with high tight strength.

Background

Fasteners are also known in the market as standard components and are a generic term for a type of mechanical component used when two or more parts (or members) are fastened together as a single piece. The fastener is a mechanical base member with the most extensive application, and has great demand; the industry that the demand is the biggest at present is the metal manufacturing industry, butt joint between metal and the metal is fixed, except the welding, mostly adopt metal fastener to connect to make things convenient for later stage dismantlement installation, when connecting between two pipes that the piping diameter is different, can use the metal staple bolt to connect two metal pipe fittings generally, the metal staple bolt is when connecting, the open and close end adoption bolt post of metal staple bolt is connected after connecting between fastener and the object, if often dismantle, can cause the bolt to become flexible for a long time, can reduce to the closed connection stability of metal staple bolt, thereby lead to the fastening degree to descend in the phase change.

The prior patent (publication number: CN 201615114U) discloses a metal fastener, which comprises a bayonet and a mounting hole of a circular fastener, and is characterized in that a boss plane is arranged at the mounting hole, a convex-concave groove reinforcing rib is arranged in the middle position from the bayonet of the fastener to a bevel area, and the longitudinal section of the fastener is arc-shaped. Compared with the prior art, the utility model has the advantages of simple and novel structure, convenient use, safety and reliability, greatly enhanced rigidity of the whole structure, no deformation after bearing heavy pressure and no any sign of movement after pipe fitting fixation, greatly enhanced clamping force, and better functional effect after changing geometric shapes by the same materials. The inventors found that the following problems exist in the prior art in the process of implementing the present utility model:

1. the external clamping mechanism of the fastener has the advantages that only one layer of reinforcing ribs penetrate through the two mounting holes, the fixing effect of the metal pipe fitting is achieved, and in case that the reinforcing ribs loosen and fall off, the whole structure loosens, and the metal pipe fitting has the risk of falling off;

2. the bayonet inside the fastener is directly contacted with the metal pipe fitting, the diameter of the bayonet is fixed after the bayonet is attached, and the bayonet cannot be attached to the metal pipe fitting tightly in case that the diameter of the metal pipe fitting is smaller.

Disclosure of Invention

The utility model aims to provide a metal fastener with high tight strength, which solves the problems that the metal pipe fitting proposed in the background technology is easy to fall down, the diameter cannot be adjusted and the metal pipe fitting cannot be tightly attached to the fastener. In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a metal fastener that compact strength is high, includes the arc, the side threaded connection of arc has fastening bolt, the inner panel has been cup jointed to the inside of arc, the inside fixedly connected with spacing groove of inner panel, the inside grafting of spacing groove has the fly leaf, the outside fixedly connected with adjusting bolt of fly leaf, fastening bolt's outside has cup jointed the hasp, one side rotation of hasp is connected with the briquetting, the bottom fixedly connected with fixture block of briquetting, the inside fixedly connected with bayonet socket of arc, one side fixedly connected with slider of briquetting, the outside sliding connection of slider has the limiting plate, the side fixedly connected with rack of slider, the surface engagement of rack is connected with the gear, one side grafting of gear has the bolt.

Further preferably, the number of the arc-shaped plates is two, and a symmetrical structure is arranged between the two arc-shaped plates.

Further preferably, the adjusting bolt and the arc plate are in threaded connection.

Further preferably, a plugging mode is adopted between the clamping block and the bayonet.

Further preferably, the pressing block, the sliding block and the rack are arranged in one group, and two groups are arranged in total.

Further preferably, a hole is formed in the limiting plate, and a bolt penetrates through the hole.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, double fastening and fixing of the arc plates are realized through the pressing blocks and the fastening bolts, so that metal pipe fittings are prevented from falling off due to loosening of a certain structure, the fastening degree is higher, when the gear is rotated, the rack above the gear is retracted downwards, the upper pressing blocks are taken down, the rack below the gear is retracted upwards synchronously, the lower pressing blocks are taken up upwards, the upper pressing blocks and the lower pressing blocks are retracted synchronously to clamp the two arc plates, and the bolt penetrates through the hole in the limiting plate to clamp the gear, so that the gear is prevented from loosening.

According to the utility model, the diameter of the inside of the arc plate is adjusted through the movable plate and the adjusting bolt, when the adjusting bolt is rotated clockwise when facing the metal pipe fitting with smaller pipe diameter, the diameter formed between the movable plate and the inner plate is enlarged as the diameter is smaller, and the inside of the arc plate is more attached to the metal pipe fitting through the interval adjustment between the movable plate and the inner plate.

Drawings

FIG. 1 is a schematic diagram of the front internal structure of the present utility model;

FIG. 2 is a schematic side view of the internal structure of the limiting plate of the present utility model;

fig. 3 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.

In the figure: 1. an arc-shaped plate; 2. a fastening bolt; 3. an inner plate; 4. a limit groove; 5. a movable plate; 6. an adjusting bolt; 7. locking; 8. briquetting; 9. a clamping block; 10. a bayonet; 11. a slide block; 12. a limiting plate; 13. a rack; 14. a gear; 15. a bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present utility model based on the embodiments of the present utility model.

Referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides a high metal fastener of compact strength, including arc 1, arc 1's side threaded connection has fastening bolt 2, arc 1's inside has cup jointed inner panel 3, inner panel 3's inside fixedly connected with spacing groove 4, the inside grafting of spacing groove 4 has fly leaf 5, the outside fixedly connected with adjusting bolt 6 of fly leaf 5, fastening bolt 2's outside has cup jointed hasp 7, one side rotation of hasp 7 is connected with briquetting 8, briquetting 8's bottom fixedly connected with fixture block 9, arc 1's inside fixedly connected with bayonet socket 10, briquetting 8's one side fixedly connected with slider 11, slider 11's outside sliding connection has limiting plate 12, slider 11's side fixedly connected with rack 13, rack 13's surface engagement is connected with gear 14, one side grafting of gear 14 has bolt 15.

In this embodiment, as shown in fig. 1, two arc plates 1 are provided, and a symmetrical structure is formed between the two arc plates 1, it should be noted that a symmetrical structure is formed between the two arc plates 1, so that a metal pipe fitting can be wrapped inside, and the arc plates 1 are fixed by fastening bolts 2 to clamp the pipe fitting.

In this embodiment, as shown in fig. 1, a threaded connection mode is adopted between the adjusting bolt 6 and the arc plate 1, and it should be noted that, when the adjusting bolt 6 is screwed, the outside of the arc plate 1 is more convenient to screw, and the movable plate 5 is driven to be close to the inner plate 3 for shrinkage, and when the adjusting bolt 6 is rotated clockwise, the diameter formed between the movable plate 5 and the inner plate 3 is enlarged as the diameter is smaller, otherwise, the distance between the movable plate 5 and the inner plate 3 is adjusted, so that the inside of the adjusting bolt is more attached to a metal pipe fitting.

In this embodiment, as shown in fig. 3, an inserting connection mode is adopted between the clamping block 9 and the bayonet 10, and it should be noted that, when the pressing block 8 is pressed downward, the clamping block 9 is directly inserted into the bayonet 10, so that the structure is more stable.

In this embodiment, as shown in fig. 2, the pressing block 8, the sliding block 11 and the racks 13 are set as a group, and two groups are provided, and it should be noted that, the two racks 13 are respectively located at two upper and lower positions of the gear 14, the gear 14 is rotated, the upper rack 13 moves downward to drive the sliding block 11 and the pressing block 8 to press down, the lower rack 13 moves upward to drive the lower sliding block 11 and the pressing block 8 to move upward, and the pressing blocks 8 at the upper and lower positions clamp the arc plate 1 synchronously.

In this embodiment, as shown in fig. 3, a hole is formed in the limiting plate 12, and a pin 15 is inserted through the hole, and it should be noted that, when the arc plate 1 is pressed and fixed by the pressing block 8, the pin 15 is inserted into the hole in the limiting plate 12 to clamp the gear 14, so as to prevent the gear 14 from loosening.

The application method and the advantages of the utility model are as follows: the metal fastener with high tight strength has the following working process when in use:

as shown in fig. 1, fig. 2 and fig. 3, firstly, a pipe fitting to be fastened is inserted into the arc plate 1, two arc plates 1 are combined together, the pipe fitting is wrapped, firstly, the pipe fitting is fixed by fastening bolts 2, then, a pressing block 8 is regulated, a gear 14 is rotated clockwise, a rack 13 above the gear 14 moves downwards to drive a sliding block 11 and the pressing block 8 to be pressed down, a rack 13 below the gear 13 moves upwards to drive the sliding block 11 below to move upwards with the pressing block 8, the pressing blocks 8 at the upper position and the lower position synchronously clamp the arc plate 1, when a clamping block 9 is completely inserted into a bayonet 10, a bolt 15 is inserted into a hole in a limiting plate 12, a gear 14 is fixed, the gear 14 is prevented from loosening, after the outside is wrapped, whether the pipe fitting in the inside is tightly fixed or not is observed, the regulating bolt 6 is rotated clockwise, the diameter formed between the movable plate 5 and the inner plate 3 is enlarged more closely, and the inside of the pipe fitting is more attached to the metal pipe fitting by regulating the space between the movable plate 5 and the inner plate 3.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. A metal fastener with high tight strength, comprising an arc plate (1), characterized in that: the side threaded connection of arc (1) has fastening bolt (2), the inside of arc (1) has cup jointed inner panel (3), the inside fixedly connected with spacing groove (4) of inner panel (3), peg graft in the inside of spacing groove (4) has fly leaf (5), the outside fixedly connected with adjusting bolt (6) of fly leaf (5), the outside of fastening bolt (2) has cup jointed hasp (7), one side rotation of hasp (7) is connected with briquetting (8), the bottom fixedly connected with fixture block (9) of briquetting (8), the inside fixedly connected with bayonet socket (10) of arc (1), one side fixedly connected with slider (11) of briquetting (8), the outside sliding connection of slider (11) has limiting plate (12), the side fixedly connected with rack (13) of slider (11), the surface engagement of rack (13) is connected with gear (14), one side of gear (14) is pegged graft and is had (15).

2. A high strength metal fastener as claimed in claim 1, wherein: the two arc plates (1) are arranged in total, and a symmetrical structure is arranged between the two arc plates (1).

3. A high strength metal fastener as claimed in claim 1, wherein: the adjusting bolt (6) is in threaded connection with the arc-shaped plate (1).

4. A high strength metal fastener as claimed in claim 1, wherein: the clamping block (9) and the bayonet (10) are in an inserting connection mode.

5. A high strength metal fastener as claimed in claim 1, wherein: the pressing block (8), the sliding block (11) and the rack (13) are arranged in one group, and two groups are arranged in total.

6. A high strength metal fastener as claimed in claim 1, wherein: the limiting plate (12) is internally provided with a hole, and a bolt (15) penetrates through the hole.