CN219176746U

CN219176746U - Big hexagon head bolt for steel structure

Info

Publication number: CN219176746U
Application number: CN202222956900.6U
Authority: CN
Inventors: 赵小二
Original assignee: Jinzhou Huaxing Electric Equipment Co ltd
Current assignee: Jinzhou Huaxing Electric Equipment Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-06-13
Anticipated expiration: 2032-11-07

Abstract

The utility model discloses a large hexagon head bolt for a steel structure, which comprises a bolt head, wherein the bottom of the bolt head is fixedly connected with a gasket, the bottom of the gasket is attached with a screw rod, the top of the screw rod is fixedly connected with a mounting block.

Description

Big hexagon head bolt for steel structure

Technical Field

The utility model relates to the technical field of bolts, in particular to a large hexagon head bolt for a steel structure.

Background

The steel structure is composed of steel materials, is one of the main building structure types, mainly comprises steel beams, steel columns, steel trusses and other components made of steel sections, steel plates and the like, and adopts the rust removal and rust prevention processes of silanization, pure manganese phosphating, washing and drying, galvanization and the like, so that in order to connect the two steel plates together, large hexagon bolts are needed

Because traditional steel construction is with big hexagon head bolt, at the in-process of using, the condition that the nut is not hard up appears easily to lead to the effect of fastening poor, influence the security of use, and current bolt is inconvenient to dismantle between bolt and the bolt head at the in-process of using, thereby leads to being difficult to dismantle the change to it when the bolt head damages.

Disclosure of Invention

The utility model aims to provide a large hexagon head bolt for a steel structure, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a big hexagon head bolt for steel construction, includes the bolt head, the bottom fixedly connected with gasket of bolt head, just the laminating of the bottom of gasket has the screw rod, the top fixedly connected with installation piece of screw rod, the through-hole has been seted up at the top of gasket, just the mounting groove has been seted up to the bottom of bolt head, the through-hole is passed at the top of installation piece to peg graft in the inner chamber of mounting groove, the cavity has all been seted up to the overhead top of bolt near left and right sides department, two the inner chamber of cavity all is equipped with disassembly body, just the outside of screw rod is close to bottom department threaded connection has the nut, the top fixedly connected with fixed disk of nut, just set up the internal thread with screw rod assorted on the fixed disk, the top of nut is close to left and right sides department all sets up flutedly, two the inner chamber of recess all is equipped with anti-loosening mechanism.

As a preferred technical scheme of the utility model, the anti-loosening mechanism comprises a movable plate, the movable plate is arranged in the position, close to the top, of the inner cavity of a left groove in a fitting manner, first sliding blocks are fixedly connected to the positions, close to the middle, of the left side of the inner cavity of the groove, first sliding grooves are formed in the positions, close to the middle, of the left side of the inner cavity of the groove, two first sliding blocks are respectively and movably connected to the inner cavities of the adjacent first sliding grooves, through holes are formed in the two first sliding blocks, straight rods are arranged in the through holes in a penetrating manner, the upper end and the lower end of each straight rod are fixedly connected with the inner cavities of the first sliding grooves, second springs are sleeved on the outer sides of the two straight rods, the upper end and the lower end of each second spring are fixedly connected with the bottoms of the first sliding blocks and the inner cavities of the first sliding grooves respectively, extrusion rods are fixedly connected to the tops of the movable plate, moving holes are formed in the positions, close to the left side of the fixed disc, and the tops of the extrusion rods penetrate through the inner cavities of the moving holes and extend to the tops of the fixed disc.

As a preferable technical scheme of the utility model, the bottom of the movable plate 14 is fixedly connected with a rack plate near the left side, a movable gear is meshed with the bottom of the rear side of the rack plate, a rotating shaft penetrates through the center of the movable gear, the left end of the rotating shaft is movably connected with the left side of the inner cavity of the groove, the right end of the rotating shaft is fixedly connected with a driving gear, the top of the driving gear is meshed with a driven gear, the right side of the driven gear is fixedly connected with a second worm, the right end of the second worm is movably connected with the right side of the inner cavity of the groove, the front side of the second worm is meshed with a second worm wheel near the middle position, a movable shaft penetrates through the center of the second worm wheel, the top of the movable shaft is movably connected with a flat plate, and the right side of the flat plate is fixedly connected with the inner cavity of the groove.

As a preferable technical scheme of the utility model, the bottom end of the movable shaft is fixedly connected with a cam, the right side of the cam is provided with a push plate, the left side of the push plate is fixedly connected with a telescopic spring, the left end of the telescopic spring is fixedly connected with a rectangular plate, the bottom of the rectangular plate is fixedly connected with the bottom of an inner cavity of a groove, the right side of the push plate is fixedly connected with a fixed rod, a rectangular opening is formed at the position, close to the bottom, of the right side of the groove, and the right end of the fixed rod extends to the inner cavity of the rectangular opening and is fixedly connected with a squeezing block.

As a preferable technical scheme of the utility model, the dismounting mechanism comprises a moving plate, the moving plate is arranged at the bottom of the cavity at the left side in a fitting way and is close to the right side, the bottom of the moving plate is fixedly connected with a second sliding block, the bottom of the cavity is provided with a second sliding groove, the second sliding block is movably connected with the cavity of the second sliding groove, the second sliding block is provided with a through hole, the cavity of the through hole is penetrated with a cross rod, the left end and the right end of the cross rod are fixedly connected with the cavity of the second sliding groove, the outer side of the cross rod is sleeved with a first spring, and the left end and the right end of the first spring are respectively fixedly connected with the left side of the cavity of the second sliding groove and the second sliding block.

As a preferable technical scheme of the utility model, the right side of the movable plate is fixedly connected with a positioning rod, the right side of the cavity is provided with a guide hole, the left side of the mounting block is provided with a positioning hole near the top, and the right end of the positioning rod passes through the guide hole and is inserted into the inner cavity of the positioning hole.

As a preferable technical scheme of the utility model, a pull rope is fixedly connected to the left side of the movable plate, one end of the pull rope, which is far away from the movable plate, is fixedly connected with a rotating rod, the upper end and the lower end of the rotating rod are movably connected with the inner cavity of the cavity, the outer side of the rotating rod is fixedly connected with a first worm wheel, the rear side of the first worm wheel is meshed with a first worm, the left side of the cavity is fixedly connected with a bearing, and the left end of the first worm penetrates through the inner cavity of the bearing and is fixedly connected with a knob.

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

1. according to the utility model, the dismounting mechanism is arranged, and the bolt head and the screw rod are convenient to dismount by the mutual cooperation of the knob, the first worm wheel, the moving plate, the positioning rod, the cross rod and the first spring;

2. according to the utility model, the anti-loosening mechanism is arranged, and the two extrusion blocks are conveniently driven to relatively move to abut against the screw rod through the mutual matching of the rack plate, the extrusion rod, the movable plate, the straight rod, the second worm wheel, the cam, the extrusion block, the telescopic spring, the movable gear, the second spring and the second worm, so that the fastening effect is enhanced, and the phenomenon that the nut is loosened in the using process is avoided, so that the using safety is influenced.

Drawings

Figure 1 is a front cross-sectional view of the present utility model,

figure 2 is a partial top view of the bolt head of the present utility model,

figure 3 is an enlarged view of figure 1 at a,

fig. 4 is an enlarged view of the utility model at B in fig. 1.

In the figure: 1. a bolt head; 2. a screw; 3. a nut; 4. a gasket; 5. a knob; 6. a first worm; 7. a first worm wheel; 8. a moving plate; 9. a positioning rod; 10. a cross bar; 11. a first spring; 12. rack plate; 13. an extrusion rod; 14. a movable plate; 15. a straight rod; 16. a second worm wheel; 17. a cam; 18. Extruding a block; 19. a telescopic spring; 20. a movable gear; 21. a second spring; 22. and a second worm.

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.

Examples: as shown in fig. 1-4, the present utility model provides the following technical solutions:

embodiment one:

the utility model provides a big hexagon head bolt for steel construction, including bolt head 1, the bottom fixedly connected with gasket 4 of bolt head 1, and the laminating of gasket 4's bottom is equipped with screw rod 2, the top fixedly connected with installation piece of screw rod 2, the opening is seted up at the top of gasket 4, and the mounting groove has been seted up to the bottom of bolt head 1, the opening is passed at the top of installation piece, and peg graft the inner chamber at the mounting groove, the cavity has all been seted up to the inner chamber department that is close to left and right sides on the bolt head 1, the inner chamber of two cavities all is equipped with disassembly body, and the outside of screw rod 2 is close to bottom department threaded connection has nut 3, the top fixedly connected with fixed disk of nut 3, and set up the internal thread with screw rod 2 assorted on the fixed disk, the top of nut 3 is close to left and right sides department and all set up flutedly, the inner chamber of two recesses all is equipped with anti-loosening mechanism.

The anti-loosening mechanism comprises a movable plate 14, the movable plate 14 is attached to the inner cavity of the left groove and is arranged near the top, the bottom of the movable plate 14 is fixedly connected with a rack plate 12 near the left side, the bottom of the rear side of the rack plate 12 is meshed with a movable gear 20, a rotating shaft is penetrated and arranged at the center of the circle on the movable gear 20, the left end of the rotating shaft is movably connected with the left side of the inner cavity of the groove, the right end of the rotating shaft is fixedly connected with a driving gear, the top of the driving gear is meshed with a driven gear, the right side of the driven gear is fixedly connected with a second worm 22, the right end of the second worm 22 is movably connected with the right side of the inner cavity of the groove, the front side of the second worm 22 is meshed with a second worm wheel 16 near the middle position, the center of the circle on the second worm wheel 16 is penetrated and provided with a movable shaft, the bottom of the movable shaft is fixedly connected with a cam 17, the right side of the cam 17 is provided with a push plate, the left side of the push plate is fixedly connected with a telescopic spring 19, the left end of the expansion spring 19 is fixedly connected with a rectangular plate, the bottom of the rectangular plate is fixedly connected with the bottom of the inner cavity of the groove, the right side of the push plate is fixedly connected with a fixed rod, a rectangular opening is formed on the right side of the groove near the bottom, the right end of the fixed rod extends to the inner cavity of the rectangular opening and is fixedly connected with a squeezing block 18, the top end of the movable shaft is movably connected with a flat plate, the right side of the flat plate is fixedly connected with the inner cavity of the groove, the left side and the right side of the movable plate 14 are fixedly connected with first sliding blocks, the left side and the right side of the inner cavity of the groove on the left side are respectively and movably connected with inner cavities of the adjacent first sliding grooves, the two first sliding blocks are respectively and fixedly connected with a perforation, the inner cavity of the perforation is provided with a straight rod 15, the upper end and the lower end of the straight rod 15 are respectively and fixedly connected with the inner cavity of the first sliding grooves, the outer sides of the two straight rods 15 are respectively sleeved with a second spring 21, the upper end and the lower end of the second spring 21 are respectively and fixedly connected with the bottoms of the first sliding block and the inner cavity of the first sliding groove, the top of the movable plate 14 is fixedly connected with the extrusion rod 13, a moving hole is formed in the fixed disc near the left side, and the top end of the extrusion rod 13 penetrates through the inner cavity of the moving hole and extends to the top of the fixed disc;

when using screw rod 2, through insert the screw rod 2 and wait to fix the mounting hole on the object, then follow down upwards rotate nut 3, nut 3 rotates and can move on screw rod 2 and can support other fixings of being connected with waiting to fix the object, then make waiting to fix the fixed object fixed centre gripping between gasket 4 and fixed disk, thereby wait to fix the object and install fixedly, the fixed disk is being close to other in-process of fixings, two extrusion poles 13 can support the bottom of other fixings, thereby can promote two extrusion poles 13 and move down, can drive adjacent fly leaf 14 and move down when two extrusion poles 13 move down, the fly leaf 14 moves down and can drive rack plate 12 and move down, the fly leaf 20 rotation can drive the movable gear 20 rotation with it meshing, the pivot rotation can drive the driving gear rotation, the driving gear rotation can drive the driven gear rotation, the driven gear rotation can drive second worm 22 rotation, the second worm wheel 22 rotation can drive second 16 rotation, the second worm wheel rotation can drive the worm wheel rotation, the worm wheel rotation can drive the cam wheel 17 and the two adjacent cams 17 can drive the relative motion of the two push plates 3 when the relative extrusion plate is moved to the adjacent screw rod, can be realized, the opposite side is realized, the two opposite extrusion plate is moved to the fixed plate is moved to the adjacent screw rod 2, can be realized, the opposite side is realized, the two opposite side is realized, and the opposite side is realized, and two opposite sides is realized, and 18, can be realized, and is easy to the opposite, and is convenient to the fixed.

Embodiment two:

the dismounting mechanism comprises a moving plate 8, the moving plate 8 is attached to the bottom of the cavity at the left side and is close to the right side, the left side of the moving plate 8 is fixedly connected with a pull rope, one end of the pull rope, which is far away from the moving plate 8, is fixedly connected with a rotating rod, the upper end and the lower end of the rotating rod are movably connected with the cavity at the inner side, the outer side of the rotating rod is fixedly connected with a first worm wheel 7, the rear side of the first worm wheel 7 is meshed with a first worm 6, the left side of the cavity is fixedly connected with a bearing, the left end of the first worm 6 penetrates through the cavity of the bearing and is fixedly connected with a knob 5, the right side of the moving plate 8 is fixedly connected with a positioning rod 9, the right side of the cavity is provided with a guide hole, the left side of the mounting block is close to the top and provided with a positioning hole, the right end of the positioning rod 9 passes through the guide hole and is inserted into the inner cavity of the positioning hole, the bottom of the moving plate 8 is fixedly connected with a second sliding block, the bottom of the inner cavity of the cavity is provided with a second sliding groove, the second sliding block is movably connected with the inner cavity of the second sliding groove, the second sliding block is provided with a through hole, the inner cavity of the through hole is penetrated with a cross rod 10, the left end and the right end of the cross rod 10 are fixedly connected with the inner cavity of the second sliding groove, the outer side of the cross rod 10 is sleeved with a first spring 11, and the left end and the right end of the first spring 11 are respectively fixedly connected with the left side of the inner cavity of the second sliding groove and the second sliding block;

when the bolt head 1 is damaged in the use process, two knobs 5 can be rotated to drive adjacent first worms 6 to rotate, the first worms 6 can drive first worm wheels 7 to rotate, the first worm wheels 7 can drive rotating rods to rotate, the rotating rods can drive pull ropes to wind, and accordingly two movable plates 8 can be pulled to move to opposite sides, the two movable plates 8 can drive adjacent positioning rods 9 to move to opposite sides, and the inner cavities of adjacent positioning holes are respectively kept away from, at the moment, the bolt head 1 and the screw rod 2 can be detached, the new bolt head 1 can be conveniently installed and fixed, and the situation that the screw rod 2 cannot be taken out is avoided.

Working principle: firstly, when the screw rod 2 is used, the screw rod 2 is inserted into a mounting hole on an object to be fixed, then the nut 3 is rotated from bottom to top, the nut 3 rotates to move on the screw rod 2 to prop against other fixed objects connected with the object to be fixed, then the object to be fixed is fixedly clamped between the gasket 4 and the fixed disc, so that the object to be fixed is installed and fixed, the two extrusion rods 13 prop against the bottoms of other fixed objects in the process of being close to other fixed objects, thereby pushing the two extrusion rods 13 to move downwards, the two extrusion rods 13 move downwards to drive the adjacent movable plates 14 to move downwards when moving downwards, the movable plates 14 move downwards to drive the toothed plates 12 to move downwards, the toothed plates 12 move downwards to drive the movable gears 20 meshed with the toothed plates to rotate, the movable gears 20 rotate to drive the rotating shafts to rotate, and the rotating shafts drive the driving gears to rotate, the driving gear rotates to drive the driven gear to rotate, the driven gear rotates to drive the second worm 22 to rotate, the second worm 22 rotates to drive the second worm wheel 16 to rotate, the second worm wheel 16 rotates to drive the movable shaft to rotate, the movable shaft rotates to drive the cams 17 to rotate, the two cams 17 rotate to be contacted with the adjacent push plates to push the adjacent push plates to move relatively, the two push plates move relatively to drive the two extrusion blocks 18 to move relatively through the adjacent fixed rods, the two extrusion blocks 18 move relatively to extrude the outer side wall of the screw rod 2, the screw rod 2 and the nut 3 can be prevented from loosening when fixing objects, thereby facilitating the stable installation and fixation of the objects, the objects can be disassembled when the nut 3 is reversely rotated, and when the nut 3 is required to be placed in a groove matched with the groove for use, at this moment, the nut 3 can not rotate, the worker needs to drive the bolt head 1 to rotate by using tools, thereby drive the screw rod 2 to rotate for installing or detaching, and when the bolt head 1 is damaged in the use process, the two knobs 5 can be rotated to drive the adjacent first worm 6 to rotate, the first worm 6 can drive the first worm wheel 7 to rotate, the first worm wheel 7 can drive the rotating rod to rotate, the rotating rod can drive the stay cord to wind up, thereby pull the two movable plates 8 to move to the opposite side, the two movable plates 8 can drive the adjacent positioning rods 9 to move to the opposite side, and the inner cavities of the adjacent positioning holes are respectively kept away from, at this moment, the bolt head 1 and the screw rod 2 can be detached, the new bolt head 1 can be conveniently installed and fixed, and the situation that the screw rod 2 cannot be taken out is avoided.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a big hexagon head bolt for steel construction, includes the bolt head, its characterized in that: the bottom fixedly connected with gasket of bolt head, just the laminating of the bottom of gasket is equipped with the screw rod, the top fixedly connected with installation piece of screw rod, the through-hole has been seted up at the top of gasket, just the mounting groove has been seted up to the bottom of bolt head, the top of installation piece passes the through-hole to peg graft in the inner chamber of mounting groove, the cavity has all been seted up to the department that is close to the left and right sides on the bolt head, two the inner chamber of cavity all is equipped with disassembly body, just the outside of screw rod is close to bottom department threaded connection has the nut, the top fixedly connected with fixed disk of nut, just set up the internal thread with screw rod assorted on the fixed disk, the top of nut is close to left and right sides department and all sets up flutedly, two the inner chamber of recess all is equipped with locking loose mechanism.

2. A large hexagon head bolt for steel structure according to claim 1, wherein: the anti-loosening mechanism comprises a movable plate, the inner cavity of a left groove is arranged close to the top, the left side and the right side of the movable plate are fixedly connected with first sliding blocks, the left side of the inner cavity of the groove is close to the middle position, first sliding grooves are formed in the left side and the right side of the inner cavity of the groove, the first sliding blocks are movably connected to the inner cavities of the adjacent first sliding grooves respectively, the first sliding blocks are provided with through holes, a straight rod penetrates through the through holes, the upper end and the lower end of the straight rod are fixedly connected with the inner cavities of the first sliding grooves, the outer sides of the straight rod are sleeved with second springs, the upper end and the lower end of each second spring are fixedly connected with the bottoms of the first sliding blocks and the inner cavities of the first sliding grooves respectively, the top of the movable plate is fixedly connected with a pressing rod, moving holes are formed in the fixing disc, and the top ends of the pressing rod penetrate through the inner cavities of the moving holes and extend to the top of the fixing disc.

3. A large hexagon head bolt for steel structure according to claim 2, wherein: the bottom of fly leaf is close to left side department fixedly connected with rack board, just the bottom department meshing of rack board rear side has movable gear, centre of a circle department runs through on the movable gear and is equipped with the pivot, the left end and the left side swing joint of recess inner chamber of pivot, just the right-hand member fixedly connected with driving gear of pivot, the top meshing of driving gear has driven gear, driven gear's right side fixedly connected with second worm, the right-hand member and the right side swing joint of recess inner chamber of second worm, just the front side of second worm is close to intermediate position department meshing has the second worm wheel, centre of a circle department runs through on the second worm wheel is equipped with the loose axle, the top swing joint of loose axle has the flat board, just the dull and stereotyped right side and the inner chamber fixed connection of recess.

4. A large hexagon head bolt for steel structure according to claim 3, wherein: the bottom fixedly connected with cam of loose axle, just the right side of cam is equipped with the push pedal, the left side fixedly connected with extension spring of push pedal, extension spring's left end fixedly connected with rectangular plate, just the bottom of rectangular plate and the bottom fixedly connected with of recess inner chamber, the right side fixedly connected with dead lever of push pedal, rectangular mouth has been seted up to the right side department that is close to the bottom of recess, just the right-hand member of dead lever extends to the inner chamber of rectangular mouth to fixedly connected with extrusion piece.

5. A large hexagon head bolt for steel structure according to claim 1, wherein: the disassembly body comprises a movable plate, the bottom of movable plate laminating setting in left side cavity inner chamber is close to right side department, just the bottom fixedly connected with second slider of movable plate, the second spout has been seted up to the bottom of cavity inner chamber, second slider swing joint is at the inner chamber of second spout, just the through-hole has been seted up on the second slider, the inner chamber of through-hole runs through and is equipped with the horizontal pole, both ends all with the inner chamber fixed connection of second spout about the horizontal pole, the outside cover of horizontal pole is equipped with first spring, just the both ends respectively with the left side and the second slider fixed connection of second spout inner chamber about the first spring.

6. A large hexagon head bolt for steel structure according to claim 5, wherein: the right side fixedly connected with locating lever of movable plate, just the guiding hole has been seted up on the right side of cavity, the left side of installation piece is close to top department and has been seted up the locating hole, the right-hand member of locating lever passes the guiding hole to peg graft in the inner chamber of locating hole.

7. A large hexagon head bolt for steel structure according to claim 5, wherein: the left side fixedly connected with stay cord of movable plate, just the one end fixedly connected with dwang of movable plate is kept away from to the stay cord, the upper and lower both ends of dwang all with the inner chamber swing joint of cavity, just the outside fixedly connected with first worm wheel of dwang, the rear side meshing of first worm wheel has first worm, the left side fixedly connected with bearing of cavity, just the left end of first worm runs through the inner chamber of bearing to fixedly connected with knob.