CN212224472U

CN212224472U - Steel construction stair convenient to dismantle

Info

Publication number: CN212224472U
Application number: CN201922407026.9U
Authority: CN
Inventors: 潘永亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-12-25
Anticipated expiration: 2029-12-28

Abstract

The utility model relates to a building steel structure technical field just discloses a steel construction stair convenient to dismantle, which comprises a pedal, the front of footboard and the equal fixedly connected with connecting block in the left and right sides at the back, connecting block lateral surface fixedly connected with briquetting, both sides all are provided with the fixed body around the footboard, vertical groove has all been seted up to the left and right sides of fixed body upper surface, the transverse groove has been seted up at the top of vertical inslot left side wall. This steel construction stair convenient to dismantle, through spring, slider, vertical groove, transverse groove, briquetting, connecting block and footboard cooperation for the user moves the briquetting downwards, and the briquetting pushes down the slider, and the spring compression moves the briquetting left, and the briquetting gets into the transverse groove, and the spring extension, transverse groove and slider fix the briquetting jointly, thereby realized the quick installation to the footboard, improved steel construction stair's installation and dismantlement efficiency, shortened the construction cycle of stair.

Description

Steel construction stair convenient to dismantle

Technical Field

The utility model relates to a building steel construction technical field specifically is a steel construction stair convenient to dismantle.

Background

In industrial building and public civil construction field, generally all be equipped with steel construction stair, steel construction stair also receives people's favor because of its structural nature is good, decorative strong, current steel construction stair when the installation, at first fix the stair steelframe, then carry out the step board welding on the steelframe in proper order, nevertheless need be with the help of appurtenance pinpoint the step board when welding the step board, still need keep the support to the step board, this has increased the assembly degree of difficulty of stair undoubtedly, and the assembly efficiency that leads to stair is slower, construction cycle has been prolonged.

For example, chinese patent application nos.: 201721522018.3, a stair of steel construction substantially as described by: including the steelframe, equidistant distribution has a plurality of connecting pieces on the steelframe, a constant head tank has all been seted up on the connecting piece, all insert in the constant head tank and be equipped with a flier, it has the flank to extend on the flier, the flank passes through bolt assembly to be fixed on the steelframe, the bottom and the top of steelframe all are fixed with the connecting plate, all insert on the connecting plate and be equipped with fastening screw, the connecting plate is close to one side of steelframe and is provided with the door-shaped piece between fastening screw's the nut, fastening screw's threaded end passes the flat board on the door-shaped piece at its place, the utility model discloses a steel construction stair can realize the quick location of flier on the steelframe through setting up of connecting piece, the effectual assembly efficiency that improves stair, shortened the construction cycle of stair, and structural stability is high, the good reliability.

Therefore, the inventor provides a steel structure stair convenient to disassemble, which is researched and improved aiming at the existing structure and defects with the experience of abundant design development and actual manufacturing of the related industry for years.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a convenient to detach's steel construction stair, the assembly efficiency who has solved stair is slower, has prolonged construction cycle, installs comparatively trouble problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a steel structure stair convenient to disassemble comprises a pedal, wherein connecting blocks are fixedly connected to the left side and the right side of the front surface and the back surface of the pedal, pressing blocks are fixedly connected to the outer side of each connecting block, fixing bodies are arranged on the front side and the back side of the pedal, longitudinal grooves are formed in the left side and the right side of the upper surface of each fixing body, transverse grooves are formed in the tops of the left side walls in the longitudinal grooves, spring fixing grooves are formed in the left side and the right side of the bottom side walls in the longitudinal grooves, springs are arranged on the bottom side walls in the spring fixing grooves, sliding blocks are arranged at the top ends of the springs, a front ladder plate is fixedly connected to the front surface of the fixing body on the front side, a rear ladder plate is fixedly connected to the back surface of the fixing body on the rear side, lower mounting blocks are sleeved at the bottoms on the right side of the front ladder plate and the bottom on the, the lower mounting bolt inner threaded connection has lower mounting nut, lower mounting block fixed surface is connected with lower mounting panel, all peg graft down fixing bolt in the four corners of mounting panel upper surface down, the installation piece has all been cup jointed to preceding left bottom of step board front and back step board back left side bottom, and the front that lies in the last installation piece of front side and the four corners that lies in the back of the last installation piece of rear side all peg graft and have last mounting bolt, the inner threaded connection who goes up mounting bolt has last mounting nut, go up installation piece fixed surface and be connected with the mounting panel down, the fixing bolt has all been pegged graft in the four corners of going up mounting panel upper surface.

Preferably, the material of footboard is Q235 steel, and the footboard surface is provided with the skid resistant course, and the skid resistant course surface is provided with the anti-skidding line.

Preferably, the longitudinal groove comprises a front groove and a rear groove, and the width of the front groove is equal to that of the pressing block. The width of the rear groove is equal to that of the connecting block.

Preferably, the thickness of the transverse groove is equal to that of the pressing block, and a blocking block is arranged on the right rear side of the bottom side wall in the transverse groove.

Preferably, the thickness of the pressing block, the connecting block and the pedal is sixty millimeters, and the thickness of the sliding block is ninety millimeters.

Preferably, the interior left surface and the equal fixedly connected with square slide rail of interior right flank of vertical groove, the square spout with square guide rail looks adaptation is seted up to the left surface and the right flank of slider.

(III) advantageous effects

Compared with the prior art, the utility model provides a steel construction stair convenient to dismantle possesses following beneficial effect:

1. this steel construction stair convenient to dismantle, through spring, slider, vertical groove, transverse groove, briquetting, connecting block and footboard cooperation for the user moves the briquetting downwards, and the briquetting pushes down the slider, and the spring compression moves the briquetting left, and the briquetting gets into the transverse groove, and the spring extension, transverse groove and slider fix the briquetting jointly, thereby realized the quick installation to the footboard, improved steel construction stair's installation and dismantlement efficiency, shortened the construction cycle of stair.

2. This steel construction stair convenient to dismantle through preceding step, back step, installation piece and last installation piece down for it is fixed with preceding step and back step with lower installation piece to go up the installation piece, thereby has improved stair overall structure's stability and the installation and the dismantlement efficiency of steel construction stair.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a disassembled view of the structure of the present invention;

FIG. 3 is a schematic view of the structure of the present invention during installation;

FIG. 4 is a schematic view of the structure of the present invention after installation;

fig. 5 is a schematic view of the structure fixing body of the present invention.

In the figure: 1. a pedal; 2. connecting blocks; 3. briquetting; 4. a fixed body; 5. a longitudinal slot; 6. a transverse slot; 7. a spring fixing groove; 8. a spring; 9. a slider; 10. a front step plate; 11. a rear step plate; 12. a lower mounting block; 13. a lower mounting bolt; 14. a lower mounting plate; 15. a lower fixing bolt; 16. an upper mounting block; 17. installing a bolt; 18. an upper mounting plate; 19. an upper fixing bolt; 20. a square slide rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a steel structure stair convenient to disassemble comprises a pedal 1, wherein the left side and the right side of the front surface and the back surface of the pedal 1 are fixedly connected with connecting blocks 2, the outer side surface of each connecting block 2 is fixedly connected with a pressing block 3, the front side and the back side of the pedal 1 are respectively provided with a fixing body 4, the left side and the right side of the upper surface of each fixing body 4 are respectively provided with a longitudinal groove 5, the top of the left side wall in each longitudinal groove 5 is provided with a transverse groove 6, the left side and the right side of the inner bottom side wall in each longitudinal groove 5 are respectively provided with a spring fixing groove 7, the inner bottom side wall in each spring fixing groove 7 is provided with a spring 8, the top end of each spring 8 is provided with a sliding block 9, the sliding blocks 8 are matched with the pedal 1 through the springs 8, so that a user can move the pressing block 3 downwards, the pressing block, the transverse groove 6 and the sliding block 9 jointly fix the pressing block 3, thereby realizing the rapid installation of the pedal 1, improving the installation and disassembly efficiency of the steel structure stair, shortening the construction period of the stair, the front surface of the fixing body 4 positioned at the front side is fixedly connected with the front step plate 10, the back surface of the fixing body 4 positioned at the back side is fixedly connected with the back step plate 11, the bottom of the right side of the front surface of the front step plate 10 and the bottom of the right side of the back surface of the back step plate 11 are respectively sleeved with the lower installation block 12, the front surface of the lower installation block 12 positioned at the front side and the four corners of the back surface of the lower installation block 12 positioned at the back side are respectively inserted with the lower installation bolts 13, the inner ends of the lower installation bolts 13 are in threaded connection with the lower installation nuts, the lower surface of the lower installation block 12 is fixedly connected with the lower installation plate 14, the four corners of the upper surface of the lower installation plate 14 are respectively inserted with the lower, the four corners at the front of the last installation piece 16 that is located the front side and the back of the last installation piece 16 that is located the rear side all peg graft and have last construction bolt 17, the inner threaded connection who goes up construction bolt 17 has last mounting nut, it has last mounting panel 18 to go up fixed surface connection under installation piece 16, it has last fixing bolt 19 to go up the four corners of 18 upper surfaces of mounting panel all to peg graft, through preceding step 10, back step 11, lower installation piece 12 and last installation piece 16, make and go up installation piece 16 and lower installation piece 12 with preceding step 10 and back step 11 fixed, thereby the stability of stair overall structure and the installation and the dismantlement efficiency of steel construction stair have been improved.

The utility model discloses in, in order to prevent that people from slipping when walking on steel construction stair, consequently the material of footboard 1 is the Q235 steel, and 1 surfaces of footboard are provided with the skid resistant course, and the skid resistant course surface is provided with anti-skidding line, has increased the frictional force of sole and 1 upper surface of footboard, has reduced the emergence of people landing accident on stair.

The utility model discloses in, for the further motion stability that improves briquetting 3 in vertical groove 5, consequently vertical groove 5 includes front groove and rear groove, and the width in front groove equals with briquetting 3's width, and the width in rear groove equals with connecting block 2's width, through the size setting to vertical groove 5, has guaranteed the motion stability of briquetting 3 in vertical groove 5.

The utility model discloses in, for further improve the motion stability of briquetting 3 in transverse groove 6, consequently the thickness of transverse groove 6 equals with the thickness of briquetting 3, and the right back side of bottom lateral wall is provided with blocks in transverse groove 6, through the size setting to transverse groove 6, has guaranteed the motion stability of briquetting 3 in transverse groove 6.

The utility model discloses in, in order to further improve slider 9's fixity ability, consequently briquetting 3, connecting block 2 and footboard 1's thickness is sixty millimeters, and slider 9's thickness is ninety millimeters for when briquetting 3 moved to transverse groove 6, slider 9 can be fixed through the interior right flank of longitudinal groove 5.

The utility model discloses in, for further improvement slider 9's motion stability, consequently at the equal fixedly connected with square slide rail 20 of the interior left surface of longitudinal groove 5 and interior right flank, slider 9's left surface and right flank offer with the square spout of square guide rail looks adaptation, through square slide rail 20 and square spout cooperation, further improved slider 9's motion stability.

When the stair installing device is used, the upper installing plate 18 is installed on the upper layer of the ground through the upper fixing bolt 19, the lower installing plate 14 is fixed on the lower layer of the ground through the lower fixing bolt 15, the front ladder board 10 and the rear ladder board 11 are placed in the lower installing block 12 and the upper installing block 16, the front ladder board 10 and the rear ladder board 11 are fixed through the upper installing bolt 17 and the lower installing bolt 13, the pressing block 3 and the connecting block 2 are placed in the longitudinal groove 5, the pedal 1 is pressed downwards, the pressing block 3 drives the sliding block 9 to move downwards, the spring 8 is compressed, the pedal 1 is moved leftwards, the pressing block enters the transverse groove 6, the spring 8 extends, the sliding block 9 moves upwards, the sliding block 9 and the transverse groove 6 jointly fix the pressing block 3, and the steel structure stair installation is completed.

In conclusion, this steel construction stair convenient to dismantle, through spring 8, slider 9, longitudinal groove 5, transverse groove 6, briquetting 3, connecting block 2 and the cooperation of footboard 1, make the user move briquetting 3 downwards, briquetting 3 pushes down slider 9, the compression of spring 8, move briquetting 3 left, briquetting 3 gets into transverse groove 6, the extension of spring 8, transverse groove 6 and slider 9 fix briquetting 3 jointly, thereby realized the quick installation to footboard 1, the installation and the dismantlement efficiency of steel construction stair have been improved, the construction cycle of stair has been shortened.

This steel construction stair convenient to dismantle, through preceding step 10, back step 11, lower installation piece 12 and last installation piece 16 for it is fixed with preceding step 10 and back step 11 with lower installation piece 12 to go up installation piece 16, thereby has improved stair overall structure's stability and steel construction stair's installation and dismantlement efficiency.

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

Claims

1. The utility model provides a steel construction stair convenient to dismantle, includes footboard (1), its characterized in that: the equal fixedly connected with connecting block (2) in the front of footboard (1) and the left and right sides at the back, connecting block (2) lateral surface fixedly connected with briquetting (3), both sides all are provided with fixed body (4) around footboard (1), vertical groove (5) have all been seted up to the left and right sides of fixed body (4) upper surface, transverse groove (6) have been seted up at the top of left side wall in vertical groove (5), spring fixed slot (7) have all been seted up to the left and right sides of bottom side wall in vertical groove (5), bottom side wall in spring fixed slot (7) is provided with spring (8), spring (8) top is provided with slider (9), is located the front ladder board (10) of the fixed body (4) front fixedly connected with of front side, and is located the fixed body (4) back fixed connection of rear side and has connect back ladder board (11), installation piece (12) down has all been cup jointed to the bottom on front ladder board (10) front right side and the bottom on back ladder The front surface of the lower mounting block (12) positioned on the front side and the four corners of the back surface of the lower mounting block (12) positioned on the rear side are all spliced with lower mounting bolts (13), the inner end of each lower mounting bolt (13) is in threaded connection with a lower mounting nut, the lower surface of each lower mounting block (12) is fixedly connected with a lower mounting plate (14), the four corners of the upper surface of each lower mounting plate (14) are spliced with lower fixing bolts (15), the bottom of the front left side of the front ladder plate (10) and the bottom of the back left side of the rear ladder plate (11) are respectively sleeved with an upper mounting block (16), the four corners of the front surface of the upper mounting block (16) positioned on the front side and the four corners of the back surface of the upper mounting block (16) positioned on the rear side are respectively spliced with upper mounting bolts (17), the inner end of each upper mounting bolt (17) is in threaded connection with an upper mounting nut, and the lower, four corners of the upper surface of the upper mounting plate (18) are all inserted with upper fixing bolts (19).

2. The steel structure stair convenient to dismantle of claim 1, wherein: the material of footboard (1) is Q235 steel, and footboard (1) surface is provided with the skid resistant course, and the skid resistant course surface is provided with the antiskid line.

3. The steel structure stair convenient to dismantle of claim 1, wherein: the longitudinal groove (5) comprises a front groove and a rear groove, the width of the front groove is equal to that of the pressing block (3), and the width of the rear groove is equal to that of the connecting block (2).

4. The steel structure stair convenient to dismantle of claim 1, wherein: the thickness of the transverse groove (6) is equal to that of the pressing block (3), and a blocking block is arranged on the right rear side of the inner bottom side wall of the transverse groove (6).

5. The steel structure stair convenient to dismantle of claim 1, wherein: the thicknesses of the pressing block (3), the connecting block (2) and the pedal (1) are sixty millimeters, and the thickness of the sliding block (9) is ninety millimeters.

6. The steel structure stair convenient to dismantle of claim 1, wherein: the inner left side surface and the inner right side surface of the longitudinal groove (5) are fixedly connected with square sliding rails (20), and the left side surface and the right side surface of the sliding block (9) are provided with square sliding grooves matched with the square sliding rails.