CN113915220A

CN113915220A - High-strength bolt for steel net frame bolt ball joint

Info

Publication number: CN113915220A
Application number: CN202111169789.XA
Authority: CN
Inventors: 张东
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-01-11

Abstract

The utility model discloses a high-strength bolt for a steel mesh frame bolt ball joint, relates to the technical field of bolt connection, and solves the problems that the existing bolt is mainly screwed by using the end part of a screw rod, is fixed in a loosening-proof manner through the outer part of the bolt, is inconvenient to directly assemble the bolt into a pipe fitting, and is fastened by using the extending part of the bolt. The high-strength bolt for the steel net rack bolt ball joint comprises a screw rod; the bottom integral type of screw rod is provided with six limits heads, the bottom top surface of six limits heads is disk column structure, the top of six limits heads is fixed all around and is provided with six screw thread guide piles, six screw thread guide pile's interval is unanimous, through being provided with the spout and vice nut of joining in marriage, the assembly mode of bolt has been improved, change interior assembly into by original outside assembly, six limits heads can hide and assemble in the inside of connecting tube, join in marriage nut cooperation spout through the revolute pair and can last rotatory the screwing up with the screw rod, fix bolt and ball joint, convenient assembling easy operation.

Description

High-strength bolt for steel net frame bolt ball joint

Technical Field

The utility model relates to the technical field of bolt connection, in particular to a high-strength bolt for a steel mesh frame bolt ball joint.

Background

At present, bolt ball node rack, the one end of every member all only has a high strength bolt and is connected with bolt ball node, and the bolt ball majority all is used for spatial grid structure, and the major structure characteristics are exactly: the ball is provided with a plurality of holes with internal threads for connecting a plurality of steel pipes at one point and consists of parts such as a bolt, a steel ball, a pin (or a screw), a sleeve, a conical head or a sealing plate and the like.

A patent, for example, patent No. CN209245024U, which is a search for a high strength bolt for a steel truss bolt ball joint, includes a screw and a bolt head, a bolt head is fixed at the bottom end of the screw rod, a locking thread is arranged above the outer surface of the screw rod, a long-strip groove is arranged in the middle of the outer surface of the screw rod, a sleeve is sleeved on the outer surface of the screw rod, the high-strength bolt for the steel mesh frame bolt ball joint is provided with an anti-falling groove and a bolt head, the diameter of the top of the bolt head is larger than that of the bottom of the bolt head, when in use, a worker penetrates the screw through one end of the steel pipe and fixes the lug on the inner side of the steel pipe and the anti-falling groove, then cup joint the sleeve at the surface of screw rod to in extending the fastening screw through the screw hole to rectangular recess, at last fixed screw rod and bolt ball, make sleeve and steel pipe inconsistent after the locking, reach the purpose of locking the screw rod with this.

For another example, patent No. CN206988252U discloses a high-strength bolt for a steel truss bolt ball joint, and belongs to the technical field of steel truss bolts. This high strength bolt includes: a bolt body comprising: the bolt comprises a bolt head and a screw rod, wherein the end part of the screw rod is provided with threads, and the root part of the screw rod is a polygon prism; a hole is arranged on one side surface of the root of the screw rod; the sleeve is sleeved on the screw, and the shape of the inner wall of the sleeve is consistent with that of the root of the screw; the wall of the sleeve is provided with a through hole, and when the sleeve is positioned at the root of the screw rod, the through hole corresponds to the hole. The utility model changes the traditional mode of taking the screw as the transmission torque, the hexagonal prism at the root of the screw plays a role of transmitting the rotation torque, and the torque is stably and reliably transmitted to the hexagonal high-strength screw through the sleeve, thereby fundamentally avoiding the false twisting phenomenon; and whether the screw rods are all screwed into the bolt ball joint net rack can be simply and visually judged.

However, the bolt that uses at present mainly utilizes the tip of screw rod to screw up, and the outside through the bolt is fixed locking, and inconvenient direct assembles the bolt to the pipe fitting in, utilizes the part that the bolt stretches out to fasten, and the inconvenient swift locking of low adaptability is strengthened, consequently, unsatisfied current demand, to this we have proposed steel truss bolt high strength bolt for the ball joint.

Disclosure of Invention

Problem (A)

The utility model aims to provide a high-strength bolt for a steel mesh frame bolt ball joint, which aims to solve the problems that the existing bolt provided by the background technology is mainly screwed by utilizing the end part of a screw rod, is fixed in a locking manner through the outside of the bolt, is inconvenient to directly assemble the bolt into a pipe fitting, is fastened by utilizing the extending part of the bolt, and is low in applicability and inconvenient to quickly lock and reinforce.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the high-strength bolt for the steel net rack bolt ball joint comprises a screw rod; the screw rod also comprises a hexagonal head; the bottom of the screw is integrally provided with a hexagonal head, the top surface of the bottom of the hexagonal head is of a disc-shaped structure, six groups of threaded guide piles are fixedly arranged on the periphery of the top of the hexagonal head, and the six groups of threaded guide piles are consistent in distance; a lower gasket, an upper gasket and an auxiliary nut are sleeved on the outer side of the screw rod; the top of the lower gasket is provided with a ring groove A; and the bottom of the upper gasket is provided with a ring groove B.

Preferably, the screw further comprises a chute; two sets of sliding grooves are formed in two sides of the screw rod, the sliding grooves are eccentrically arranged, and the two sets of sliding grooves are centrosymmetric.

Preferably, the bottoms of the thread guide piles are all provided with thread structures, and the thread guide piles are fixedly arranged on the top surfaces of the hexagonal heads through the thread structures at the bottoms; the top of the thread guide pile is provided with a cross-shaped groove.

Preferably, the lower gasket further comprises a strip-shaped hole; six groups of strip-shaped holes are formed in the side of the lower gasket at equal intervals, and the threaded guide piles are respectively attached to the six groups of strip-shaped holes in a sliding mode.

Preferably, the upper gasket further comprises friction lines; the top outside integral type of going up the gasket is provided with friction line, and friction line is radial structure.

Preferably, the inner diameter, the outer diameter and the depth of the ring groove A and the ring groove B are the same, and a corrugated spring is clamped between the ring groove A and the ring groove B.

Preferably, the number of the corrugated springs is two, the two groups of corrugated springs are arranged in opposite directions, and the adjacent positions of the two groups of corrugated springs are fixed by riveting; the two outer sides of the two groups of corrugated springs are fixedly arranged on the inner walls of the ring groove A and the ring groove B through spot welding respectively.

Preferably, the external structure of the auxiliary nut is consistent with that of a hexagon head; a through hole is formed in the middle of the auxiliary nut, two groups of sliding block structures are integrally arranged in the through hole, and the side of the bottom of each sliding block structure is subjected to rounding treatment; the slide block structure at the inner side of the auxiliary nut is matched and arranged in the slide groove in a sliding way.

(III) advantageous effects

The utility model provides a high-strength bolt for a steel mesh frame bolt ball node, which is provided with a chute and an auxiliary nut, improves the assembly mode of the bolt, changes the original external assembly into internal assembly, can hide a hexagon head in a connecting pipeline for assembly, can continuously rotate and screw a screw rod by rotating the auxiliary nut to be matched with the chute, fixes the bolt and the ball node, and is convenient to assemble and simple to operate.

Secondly, through setting up the ripple spring, can provide the locking function of taking off, can increase the frictional force of gasket through friction line, go up the stress that receives when setting up the ripple spring and can increasing locking between gasket and the lower gasket, prevent to take off between hexagonal head and the pipeline and rock.

Moreover, through setting up screw thread guide pile and bar hole, for the gasket provides the assembly function of counterpointing down, can lead and guarantee the position of gasket down to the gasket down, provide supplementary effect for the installation of last gasket and gasket down.

Drawings

FIG. 1 is a schematic perspective side view of an embodiment of the present invention;

FIG. 2 is a schematic bottom view of the embodiment of the present invention;

FIG. 3 is a schematic perspective exploded view of an embodiment of the present invention;

FIG. 4 is a bottom exploded view of the embodiment of the present invention;

FIG. 5 is a partial perspective view of an embodiment of the present invention;

FIG. 6 is a schematic axial side view of a wave spring according to an embodiment of the present invention;

FIG. 7 is a schematic top view of a wave spring according to an embodiment of the present invention;

FIG. 8 is an enlarged partial structural view of part A in the embodiment of the present invention;

in fig. 1 to 8, the correspondence between the part names or lines and the reference numbers is:

1. a screw; 101. six-edge head; 102. a chute; 2. guiding piles by screw threads; 3. a lower gasket; 301. a strip-shaped hole; 302. a ring groove A; 4. a wave spring; 5. an upper gasket; 501. rubbing the lines; 502. a ring groove B; 6. and (5) matching a nut secondarily.

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 to 8, an embodiment of the present invention includes: the high-strength bolt for the steel net rack bolt ball joint comprises a screw 1; the screw 1 also comprises a hexagonal head 101; the bottom of the screw 1 is integrally provided with a hexagonal head 101, the top surface of the bottom of the hexagonal head 101 is of a disc-shaped structure, six groups of threaded guide piles 2 are fixedly arranged on the periphery of the top of the hexagonal head 101, and the intervals of the six groups of threaded guide piles 2 are consistent; wherein, the screw 1 also comprises a chute 102; two sides of the screw 1 are provided with two groups of sliding grooves 102, the sliding grooves 102 are eccentrically arranged, and the two groups of sliding grooves 102 are centrosymmetric; the bottom of each threaded guide pile 2 is provided with a threaded structure, and each threaded guide pile 2 is fixedly arranged on the top surface of the hexagonal head 101 through the threaded structure at the bottom; the top of each threaded guide pile 2 is provided with a cross-shaped groove; the outer side of the screw rod 1 is sleeved with a lower gasket 3, an upper gasket 5 and an auxiliary nut 6; the top of the lower gasket 3 is provided with a ring groove A302; wherein, the lower gasket 3 also comprises a strip-shaped hole 301; six groups of strip-shaped holes 301 are formed in the side of the lower gasket 3 at equal intervals, and the threaded guide piles 2 are respectively attached and slidably arranged in the six groups of strip-shaped holes 301; the bottom of the upper gasket 5 is provided with a ring groove B502; wherein, the upper gasket 5 also comprises friction lines 501; the outer side of the top of the upper gasket 5 is integrally provided with friction grains 501, and the friction grains 501 are of a radial structure; the inner diameter, the outer diameter and the depth of the ring groove A302 and the ring groove B502 are the same, and the corrugated spring 4 is clamped between the ring groove A302 and the ring groove B502.

The number of the corrugated springs 4 is two, the two groups of the corrugated springs 4 are arranged in a reverse direction, and the adjacent positions of the two groups of the corrugated springs 4 are fixed through riveting; the two outer sides of the two groups of corrugated springs 4 are fixedly arranged on the inner walls of the ring grooves A302 and B502 through spot welding respectively.

Wherein, the external structure of the auxiliary nut 6 is consistent with the hexagonal head 101; a through hole is formed in the middle of the auxiliary nut 6, two groups of sliding block structures are integrally arranged in the through hole, and the side of the bottom of each sliding block structure is subjected to chamfering treatment; the slide block structure at the inner side of the auxiliary nut 6 is matched and slidably arranged in the slide groove 102.

The working principle is as follows: when in use, the hexagonal head 101 is arranged in a connected pipeline, and the lower gasket 3 and the upper gasket 5 are sleeved outside the screw rod 1; before assembly, the two groups of corrugated springs 4 are riveted in reverse directions, and then both sides of the corrugated springs 4 are respectively fixed inside the ring grooves a302 and B502 by spot welding.

The vice nut 6 of joining in marriage of partial overcoat that stretches out at screw rod 1, then in the screw of the tip screw in ball node of screw rod 1, utilize the instrument to rotate the vice nut 6 of joining in marriage this moment, vice nut 6 of joining in marriage can drive screw rod 1 rotatory through two sets of slider structure cooperation spouts 102 of through-hole inboard, in lasting rotation insertion ball node with screw rod 1, original assembly methods have been replaced, can lock screw rod 1, ripple spring 4 can increase the stress of gasket 3 and last gasket 5 down, prevent that gasket 3 and last gasket 5 from taking off under the looseness.

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. High strength bolt is used to steel rack bolt ball joint, its characterized in that: comprises a screw (1); the screw (1) also comprises a hexagonal head (101); the bottom of the screw (1) is integrally provided with a hexagonal head (101), the top surface of the bottom of the hexagonal head (101) is of a disc-shaped structure, six groups of threaded guide piles (2) are fixedly arranged on the periphery of the top of the hexagonal head (101), and the intervals of the six groups of threaded guide piles (2) are consistent; a lower gasket (3), an upper gasket (5) and an auxiliary nut (6) are sleeved on the outer side of the screw rod (1); the top of the lower gasket (3) is provided with a ring groove A (302); and the bottom of the upper gasket (5) is provided with a ring groove B (502).

2. The high strength bolt for a steel truss bolting ball joint according to claim 1, characterized in that: the screw rod (1) also comprises a sliding chute (102); two sides of the screw rod (1) are provided with two groups of sliding grooves (102), the sliding grooves (102) are eccentrically arranged, and the two groups of sliding grooves (102) are centrosymmetric.

3. The high strength bolt for a steel truss bolting ball joint according to claim 1, characterized in that: the bottoms of the threaded guide piles (2) are all provided with threaded structures, and the threaded guide piles (2) are fixedly arranged on the top surfaces of the hexagonal heads (101) through the threaded structures at the bottoms; the top of the thread guide pile (2) is provided with a cross-shaped groove.

4. The high strength bolt for a steel truss bolting ball joint according to claim 1, characterized in that: the lower gasket (3) also comprises a strip-shaped hole (301); six groups of strip-shaped holes (301) are formed in the side of the lower gasket (3) at equal intervals, and the threaded guide piles (2) are respectively attached to the six groups of strip-shaped holes (301) in a sliding mode.

5. The high strength bolt for a steel truss bolting ball joint according to claim 1, characterized in that: the upper gasket (5) also comprises friction lines (501); the friction lines (501) are integrally arranged on the outer side of the top of the upper gasket (5), and the friction lines (501) are of a radial structure.

6. The high strength bolt for a steel truss bolting ball joint according to claim 1, characterized in that: the inner diameter, the outer diameter and the depth of the ring groove A (302) and the ring groove B (502) are the same, and a corrugated spring (4) is clamped between the ring groove A (302) and the ring groove B (502).

7. The high strength bolt for steel truss bolting ball joint according to claim 6, wherein: the number of the corrugated springs (4) is two, the two groups of corrugated springs (4) are arranged in opposite directions, and the adjacent positions of the two groups of corrugated springs (4) are fixed by riveting; the two outer sides of the two groups of corrugated springs (4) are fixedly arranged on the inner walls of the ring groove A (302) and the ring groove B (502) through spot welding respectively.

8. The high strength bolt for a steel truss bolting ball joint according to claim 1, characterized in that: the external structure of the auxiliary nut (6) is consistent with that of the hexagonal head (101); a through hole is formed in the middle of the auxiliary nut (6), two groups of sliding block structures are integrally arranged in the through hole, and the side of the bottom of each sliding block structure is subjected to chamfering treatment; the slide block structure at the inner side of the auxiliary nut (6) is matched and arranged in the slide groove (102) in a sliding way.