CN219013117U

CN219013117U - Corrosion-resistant hexagon head reinforcing rod bolt

Info

Publication number: CN219013117U
Application number: CN202223290120.9U
Authority: CN
Inventors: 李明月
Original assignee: Shaanxi Shengxin Dinghao Machinery Manufacturing Co ltd
Current assignee: Shaanxi Shengxin Dinghao Machinery Manufacturing Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-05-12
Anticipated expiration: 2032-12-08

Abstract

The utility model provides a rust-proof hexagon head reinforcing rod bolt, which relates to the technical field of bolts and comprises a screw rod and a screw cap, wherein the screw cap is arranged on the end face of the screw rod, the screw cap is of a hexagon structure, a rust-proof layer is arranged on the outer sides of the screw rod and the screw cap, a lubrication mechanism is arranged in the screw rod and comprises a disassembly groove, a standby disassembly head and a pressure rod, an oil groove is arranged at the central position of the upper end of the screw rod, the disassembly groove is arranged above the screw cap and is communicated with the oil groove, the standby disassembly head is detachably arranged above the disassembly groove, the lower end of the pressure rod penetrates through the disassembly groove and is in sliding connection with the side wall of the oil groove, the side wall of the lower end of the pressure rod is in sealing sliding connection with the oil groove, and the outer end of the pressure rod is provided with a cross groove. According to the utility model, the oil groove is arranged in the screw rod, and the compression bar and the through groove are matched, so that lubricating oil can overflow to the surface of the screw rod by extruding the compression bar, thereby achieving the lubrication effect and being convenient for better taking out the bolt.

Description

Corrosion-resistant hexagon head reinforcing rod bolt

Technical Field

The utility model relates to the technical field of bolts, in particular to a corrosion-resistant hexagon head reinforcing rod bolt.

Background

The bolt is a fastener consisting of a head part and a screw rod, and is matched with the nut for fastening and connecting two parts with through holes, and the connection mode is called bolting, if the nut is screwed off from the bolt, the two parts can be separated, so the bolting belongs to detachable connection, the nut of the hexagonal head reinforcing rod bolt is of a hexagonal structure, and the hexagonal nut can be clamped and rotated conveniently through a tool.

The utility model provides a rust-resistant hexagon head stiffener bolt of "CN214788485U" of patent number, includes screw rod and screw thread portion, the upper end of screw rod is equipped with the connector, and the connector upper end runs through and is equipped with the screw hole, the connector upper end is equipped with the hexagon bolt head, and the lower extreme of hexagon bolt head is equipped with the mounting hole, and the shape of mounting hole corresponds with the connector shape, hexagon bolt head, screw rod and screw thread portion surface all scribble rust-resistant paint, the bottom is equipped with the round hole in the recess. When the hexagonal bolt head is worn to cause that the spanner cannot rotate the screw rod, the inner hexagonal spanner can be inserted into the groove, the screw rod is driven to rotate by the inner hexagonal spanner, or the screw is detached from the hexagonal bolt head, the hexagonal bolt head is detached from the connecting head, then the connecting head is clamped by other pliers, and the screw rod is driven to rotate by rotating the connecting head.

The hexagonal head reinforcing rod bolt in the above patent does not have a lubrication effect, and is generally required to be disassembled through the assistance of lubricating oil under the condition that rust is serious, but because the connection between the bolt and the connecting piece is tight, the lubricating oil is difficult to enter the gap for lubrication operation, so that the bolt is inconvenient to disassemble.

Disclosure of Invention

The utility model aims to solve the problem that auxiliary lubricating oil is difficult to enter bolt gaps for lubrication in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a hexagon head stiffener bolt of rust-resistant, includes screw rod and nut, the nut sets up the terminal surface of screw rod, the nut is hexagonal structure, the screw rod with the outside of nut is equipped with the rust-resistant layer, be equipped with lubrication mechanism in the screw rod, lubrication mechanism is including dismantling groove, reserve dismantlement head and depression bar, the upper end central point department of screw rod is equipped with the oil groove, dismantle the groove setting and be in the nut top, dismantle the groove with the oil groove intercommunication sets up, reserve dismantlement head can dismantle the setting and dismantle the groove top, the lower extreme of depression bar runs through dismantle the groove and with oil groove lateral wall sliding connection, the lower extreme lateral wall of depression bar with oil groove sealing sliding setting, the outer end of depression bar is equipped with the cross groove, be equipped with a plurality of logical grooves in the screw rod, the both ends of logical groove respectively with the outside of screw rod with the oil groove intercommunication sets up.

As a preferred implementation mode, the upper end of depression bar is equipped with the fixed head, the cross groove sets up the fixed head top, the depression bar sets up one end outside in the oil groove with the oil groove screw thread rotates to be connected, through fixed head and the cross groove of setting, is convenient for people use the instrument to rotate it and dismantle.

As a preferred implementation mode, one end of the compression bar arranged in the oil groove is provided with a sealing plug, the sealing plug and the oil groove are arranged in a sealing sliding mode, and the possibility that lubricating oil overflows to the disassembling groove in the compression process of the compression bar in the oil groove is effectively reduced through the arranged sealing plug.

As a preferable implementation mode, a plurality of through grooves are uniformly distributed on the side wall of the screw, through the uniformly arranged through grooves, when the pressing rod is pressed down, lubricating oil can be uniformly smeared on the outer wall of the screw, wherein the diameter of the through grooves is thinner, and before a bolt is installed, the pressing rod can be pressed by teeth in advance, so that part of lubricating oil is reserved in the through grooves, and the lubricating and anti-corrosion effects are achieved.

As a preferred implementation mode, the outer side face of the spare disassembly head is provided with an anti-corrosion sealing gasket, the outer side face of the spare disassembly head is assembled and arranged through the anti-corrosion sealing gasket and the side wall sealing of the disassembly groove, and the anti-corrosion and rust-preventing effect of the structure in the disassembly groove is effectively guaranteed through the anti-corrosion sealing gasket.

As a preferred embodiment, the inboard of dismantling the groove is equipped with the anchor coat, the anchor coat with dismantle the groove adaptation, through setting up the anchor coat in dismantling the inslot, effectively increased the intensity of dismantling the groove to the fastness of dismantling the groove when having improved to use outside dismantlement structure to dismantling the groove to rotate is avoided dismantling the groove and is taken place deformation easily and cause the phenomenon that can't be used.

As a preferred embodiment, the disassembly groove is arranged at the center position of the upper part of the nut, the disassembly groove is of a polygonal structure, the standby disassembly head is arranged in the disassembly groove, the disassembly groove is arranged above the nut, and under the condition that the nut edge is damaged to be inconvenient to clamp and rotate, the standby disassembly head can be disassembled, so that the disassembly groove is exposed outside and is convenient to rotate by clamping the disassembly groove, and the screw is driven to rotate.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, the standby disassembling head is removed to expose the upper end of the compression bar, the standby disassembling head is matched with the disassembling groove, so that the compression bar arranged inside is difficult to rust, a tool can be inserted into the cross groove to rotate the compression bar, the compression bar is driven to move towards the oil groove, lubricating oil is filled in the oil groove, when the compression bar moves inwards in the oil groove, the lubricating oil arranged inside can be extruded to overflow outwards through the through groove, even if the end face of the through groove communicated with the outside is corroded, under the condition of high pressure, the lubricating oil can break through the rusted part to overflow, so that the lubricating oil is filled outside the bolt, and then the easy disassembling operation can be realized through rotating the nut.

2. According to the utility model, the dismounting groove is formed above the nut, and under the condition that the clamping is inconvenient to rotate due to damage of the edge of the nut, the standby dismounting head can be dismounted, so that the dismounting groove is exposed outside, the screw is driven to rotate by clamping and rotating the dismounting groove, and the strength of the dismounting groove is effectively increased by arranging the reinforcing layer in the dismounting groove, so that the firmness of the dismounting groove when the dismounting groove is rotated by using the external dismounting structure is greatly improved, and the phenomenon that the dismounting groove is easy to deform and cannot be used is avoided.

Drawings

FIG. 1 is a perspective view of a corrosion-resistant hex head spar bolt of the present utility model;

FIG. 2 is a schematic view of the internal structure of a corrosion-resistant hex head stiffener bolt according to the present utility model;

fig. 3 is a schematic diagram of a nut of a corrosion-resistant hex head stiffener bolt according to the present utility model.

Legend description:

1. a screw; 2. a screw cap; 3. a dismantling groove; 4. a spare disassembling head; 5. a compression bar; 6. an oil groove; 7. a cross groove; 8. a through groove; 9. a fixed head; 10. a sealing plug; 11. an anti-corrosion sealing gasket; 12. and a reinforcing layer.

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 can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a rust-resistant hexagon head stiffener bolt, including screw rod 1 and nut 2, nut 2 sets up the terminal surface at screw rod 1, nut 2 is hexagonal structure, screw rod 1 is equipped with the rust-resistant layer with the outside of nut 2, be equipped with lubrication mechanism in screw rod 1, lubrication mechanism includes dismantlement groove 3, reserve dismantlement head 4 and depression bar 5, the upper end central point department of screw rod 1 is equipped with oil groove 6, dismantlement groove 3 sets up in nut 2 top, dismantlement groove 3 and oil groove 6 intercommunication setting, reserve dismantlement head 4 can dismantle the setting in dismantlement groove 3 top, the lower extreme of depression bar 5 runs through dismantlement groove 3 and with oil groove 6 lateral wall sliding connection, the lower extreme lateral wall of depression bar 5 and oil groove 6 seal sliding setting, the outer end of depression bar 5 is equipped with cross groove 7, be equipped with a plurality of logical grooves 8 in the screw rod 1, the both ends of logical groove 8 respectively with the outside of screw rod 1 and oil groove 6 intercommunication setting, when dismantling this bolt, if the bolt is rusted in a rust-prone environment to a certain extent, the nut 2 can be rotated firstly when the bolt is not easy to pull out, if the nut is not rotatable, the spare disassembly head 4 can be removed to expose the upper end of the compression bar 5, the inner compression bar 5 is difficult to be rusted by the cooperation of the spare disassembly head 4 and the disassembly groove 3, the tool can be inserted into the cross groove 7 to rotate the compression bar 5 to drive the compression bar 5 to move towards the oil groove 6, lubricating oil is filled in the oil groove 6, when the compression bar 5 moves inwards in the oil groove 6, the lubricating oil arranged inside can be extruded to overflow outwards through the through groove 8, even if the end face of the through groove 8 communicated with the outside is rusted, under the condition of high pressure, the lubricating oil can break the rusted part to overflow, so that the lubricating oil is filled outside the bolt, and further the easy dismounting operation can be realized by turning the screw cap 2.

As shown in fig. 1-3, the upper end of the compression bar 5 is provided with a fixing head 9, the cross groove 7 is arranged above the fixing head 9, the compression bar 5 is arranged outside one end in the oil groove 6 and is in threaded rotation connection with the oil groove 6, and people can conveniently rotate and detach the compression bar by using tools through the fixing head 9 and the cross groove 7.

As shown in fig. 1-3, a sealing plug 10 is arranged at one end of the compression bar 5 arranged in the oil groove 6, the sealing plug 10 and the oil groove 6 are arranged in a sealing sliding manner, and the possibility that lubricating oil overflows to the disassembling groove 3 in the compression process of the compression bar 5 to the oil groove 6 is effectively reduced through the arranged sealing plug 10.

As shown in fig. 1-3, a plurality of through grooves 8 are uniformly distributed on the side wall of the screw 1, when the pressing rod 5 is pressed down, lubricating oil can be uniformly smeared on the outer wall of the screw 1, wherein the diameter of the through grooves 8 is thinner, and before a bolt is installed, part of the lubricating oil can be reserved in the through grooves 8 by pre-tooth pressing the pressing rod 5, so that the lubricating and anti-corrosion effects are achieved.

As shown in fig. 1-3, the outer side surface of the spare disassembly head 4 is provided with an anti-corrosion sealing gasket 11, the outer side surface of the spare disassembly head 4 is assembled and arranged through the anti-corrosion sealing gasket 11 and the side wall sealing and clamping of the disassembly groove 3, and the anti-corrosion and rust-preventing effects of the structure arranged in the disassembly groove 3 are effectively guaranteed through the arranged anti-corrosion sealing gasket 11.

As shown in fig. 1-3, the inside of the disassembly groove 3 is provided with a reinforcing layer 12, the reinforcing layer 12 is matched with the disassembly groove 3, and the strength of the disassembly groove 3 is effectively increased by arranging the reinforcing layer 12 in the disassembly groove 3, so that the firmness of the disassembly groove 3 when the disassembly groove 3 is rotated by using an external disassembly structure is greatly improved, and the phenomenon that the disassembly groove 3 is easy to deform to cause unusable is avoided.

As shown in fig. 1-3, the disassembly groove 3 is arranged at the center position above the nut 2, the disassembly groove 3 is of a polygonal structure, the standby disassembly head 4 is arranged in the disassembly groove 3, and the disassembly groove 3 is arranged above the nut 2, so that the standby disassembly head 4 can be disassembled through the damage of the edge of the nut 2 under the condition that the clamping is inconvenient to rotate, the disassembly groove 3 is exposed outside, and the screw 1 is driven to rotate through the clamping rotation of the disassembly groove 3.

Working principle: when dismantling this bolt, if the bolt has produced certain corrosion in easy rusty environment for when the bolt is difficult for pulling out, the accessible rotates nut 2 earlier, if unable rotation, the accessible is dismantled head 4 with reserve, expose the upper end of depression bar 5, through the cooperation of head 4 with dismantle groove 3 is dismantled in reserve, make the depression bar 5 that sets up in be difficult to by corrosion, the accessible uses the instrument to insert to establish in cross groove 7, rotate depression bar 5, drive depression bar 5 and remove in to oil groove 6, the intussuseption of oil groove 6 is filled with lubricating oil, when depression bar 5 inwards remove in oil groove 6, can extrude outside the lubricating oil that inside set up outwards overflows through logical groove 8 even by corrosion with the logical groove 8 terminal surface of outside intercommunication, lubricating oil can break the corrosion part and spill outside, make lubricating oil fill in the bolt outside, and then can realize easy dismantlement operation through rotating nut 2.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. The utility model provides a rust-resistant hexagon head stiffener bolt, includes screw rod (1) and nut (2), nut (2) set up the terminal surface of screw rod (1), nut (2) are hexagonal structure, its characterized in that, screw rod (1) with the outside of nut (2) is equipped with the rust-resistant layer, be equipped with lubricated mechanism in screw rod (1), lubricated mechanism is including dismantling groove (3), reserve dismantlement head (4) and depression bar (5), the upper end central point department of screw rod (1) is equipped with oil groove (6), dismantle groove (3) set up nut (2) top, dismantle groove (3) with oil groove (6) intercommunication sets up, reserve dismantlement head (4) can dismantle the setting and dismantle groove (3) top, the lower extreme of depression bar (5) runs through dismantle groove (3) and with oil groove (6) lateral wall sliding connection, the lower extreme lateral wall of depression bar (5) with oil groove (6) sealed slip sets up, depression bar (5) are equipped with in cross groove (7) and the outside is equipped with groove (8) respectively, the outside is equipped with groove (8) and the outside of having set up.

2. A rust-resistant hex head spar bolt according to claim 1, wherein: the upper end of depression bar (5) is equipped with fixed head (9), cross groove (7) set up fixed head (9) top, depression bar (5) set up one end outside in oil groove (6) with oil groove (6) screw thread rotation is connected.

3. A rust-resistant hex head spar bolt according to claim 2, wherein: one end of the compression bar (5) arranged in the oil groove (6) is provided with a sealing plug (10), and the sealing plug (10) and the oil groove (6) are arranged in a sealing sliding mode.

4. A rust-resistant hex head spar bolt according to claim 1, wherein: the through grooves (8) are uniformly distributed on the side wall of the screw (1).

5. A rust-resistant hex head spar bolt according to claim 1, wherein: the outer side face of the spare disassembly head (4) is provided with an anti-corrosion sealing gasket (11), and the outer side face of the spare disassembly head (4) is assembled and arranged in a sealing and clamping way with the side wall of the disassembly groove (3) through the anti-corrosion sealing gasket (11).

6. A rust-resistant hex head spar bolt according to claim 1, wherein: the inner side of the dismounting groove (3) is provided with a reinforcing layer (12), and the reinforcing layer (12) is matched with the dismounting groove (3).

7. A rust-resistant hex head spar bolt according to claim 1, wherein: the disassembly groove (3) is arranged at the center position above the screw cap (2), the disassembly groove (3) is of a polygonal structure, and the standby disassembly head (4) is arranged in the disassembly groove (3).