CN217175425U

CN217175425U - Steel construction stair

Info

Publication number: CN217175425U
Application number: CN202123405894.7U
Authority: CN
Inventors: 汤永强; 祁林明; 张明; 尹通; 徐杰
Original assignee: Suzhou China Construction Group Co ltd
Current assignee: Suzhou China Construction Group Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-08-12
Anticipated expiration: 2031-12-30

Abstract

The utility model relates to a stair technical field specifically is a steel construction stair, including the stair body, stair body left side fixedly connected with backup pad, backup pad bottom fixedly connected with montant, montant bottom fixedly connected with fixed plate, the inside swing joint of fixed plate quantity is two first bolts, montant surface fixed connection has fixing device, fixing device is including the sleeve at montant surface swing joint, sleeve left side fixedly connected with fixed block, the inside movable groove of having seted up of fixed block. This steel construction stair, with the muffjoint at the montant surface, then stimulate the drawing disc left and drive the kelly, go into the kelly card and fix in the inside draw-in groove of fixture block, then carry out welded fastening with montant and backup pad, turn into the second bolt connecting plate and backup pad inside and fix, then turn into the first bolt and fix inside the fixed plate, when two bracing pieces were triangle-shaped, stability was stronger.

Description

Steel construction stair

Technical Field

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

Background

Steel construction stair to the fulcrum is few, and the bearing is high, and the molding is many, and technical content is famous highly, is difficult for receiving the stand, and the floor isotructure influences, and is durable firm, and welded steel stair is few with the fulcrum, and the bearing is high, and the molding is many, and technical content is famous highly, is difficult for receiving the stand, the floor isotructure influences, and is durable firm.

The conventional steel structure stair is only supported by the vertical rods, so that the supporting mode is not firm and firm after long-term use, and the problem is solved by providing the steel structure stair.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a steel construction stair possesses simple to operate, durable advantage such as firm, has solved the insecure problem of current steel construction stair support.

In order to achieve the above purpose, the utility model provides a following technical scheme: a steel structure stair comprises a stair body, wherein a supporting plate is fixedly connected to the left side of the stair body, a vertical rod is fixedly connected to the bottom of the supporting plate, a fixing plate is fixedly connected to the bottom of the vertical rod, two first bolts are movably connected to the inside of the fixing plate, and a fixing device is fixedly connected to the outer surface of the vertical rod;

fixing device is including the sleeve at montant surface swing joint, sleeve left side fixedly connected with fixed block, the movable groove has been seted up to the fixed block inside, the inside swing joint in movable groove has the kelly, montant surface fixedly connected with fixture block, kelly surface swing joint has the spring, sleeve left side and the equal side fixedly connected with bracing piece in right side, two the equal fixedly connected with connecting plate in bracing piece top, two the inside equal swing joint of connecting plate has the second bolt that quantity is two.

Further, the outer surface of the clamping rod is fixedly connected with a blocking piece, and the blocking piece is movably connected to the right side of the spring.

Through adopting above-mentioned technical scheme, can prevent that the kelly from pulling out in the fixed block.

Further, the clamping rod is fixedly connected with a pull disc on the left side, an anti-slip pad is fixedly connected to the outer surface of the pull disc, and the pull disc is movably connected to the left side of the fixing block.

Through adopting above-mentioned technical scheme, can prevent to take place the hand smooth when drawing the dish.

Further, the clamping block is located inside the sleeve, a clamping groove is formed in the clamping block, and the clamping rod is movably connected to the inside of the clamping groove.

Furthermore, the inside fixedly connected with quantity of sleeve is two first reinforcement pieces, montant surface fixedly connected with quantity is two second reinforcement pieces, two first reinforcement piece and second reinforcement piece are swing joint.

Through adopting above-mentioned technical scheme, can prevent that the sleeve from taking place to slide from top to bottom at the montant surface.

Furthermore, two the shape of first reinforcement piece is trapezoidal, two the shape of second reinforcement piece is trapezoidal, two first reinforcement piece inclined plane inclination is the same with second reinforcement piece inclined plane inclination.

Further, the fixed plate is movably connected with the ground, the two support rods are in an inclined state, the inclination angle of the support rods and the sleeve is 30 degrees, and the two support rods are triangular to enhance the fixation.

Through adopting above-mentioned technical scheme, two bracing pieces are triangle-shaped and strengthen the fixity.

Further, the right side of the clamping rod is arc-shaped, the clamping groove is arc-shaped, and the size of the clamping groove is larger than that of the right end of the clamping rod.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this steel construction stair, with the muffjoint at the montant surface, then stimulate the drawing disc left and drive the kelly, go into the kelly card and fix in the inside draw-in groove of fixture block, then carry out welded fastening with montant and backup pad, turn into the second bolt connecting plate and backup pad inside and fix, then turn into the first bolt and fix inside the fixed plate, when two bracing pieces were triangle-shaped, stability was stronger.

Drawings

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

fig. 2 is an enlarged view of a position a in the structure diagram 1 of the present invention.

In the figure: the stair comprises a stair body 1, supporting plates 2, vertical rods 3, fixing plates 4, first bolts 5, sleeves 6, first reinforcing blocks 7, second reinforcing blocks 8, clamping blocks 9, supporting rods 10, connecting plates 11, second bolts 12, fixing blocks 13, movable grooves 14, clamping rods 15, springs 16, blocking pieces 17, pull discs 18 and clamping grooves 19.

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. 1-2, the steel structure stair in the embodiment includes a stair body 1, a supporting plate 2 is fixedly connected to the left side of the stair body 1, a vertical rod 3 is fixedly connected to the bottom of the supporting plate 2, a fixing plate 4 is fixedly connected to the bottom of the vertical rod 3, two first bolts 5 are movably connected to the inside of the fixing plate 4, and a fixing device is fixedly connected to the outer surface of the vertical rod 3.

Wherein, the fixing device comprises a sleeve 6 movably connected with the outer surface of a vertical rod 3, the left side of the sleeve 6 is fixedly connected with a fixed block 13, the inner part of the fixed block 13 is provided with a movable groove 14, the inner part of the movable groove 14 is movably connected with a clamping rod 15, the left side of the sleeve 6 is provided with a movable hole, the clamping rod 15 is movably connected with the inner part of the movable hole, the outer surface of the vertical rod 3 is fixedly connected with a clamping block 9, the outer surface of the clamping rod 15 is movably connected with a spring 16, the left side and the right side of the sleeve 6 are fixedly connected with supporting rods 10, the tops of the two supporting rods 10 are fixedly connected with connecting plates 11, the inner parts of the two connecting plates 11 are movably connected with two second bolts 12, the inner part of the sleeve 6 is fixedly connected with two first reinforcing blocks 7, the outer surface of the vertical rod 3 is fixedly connected with two second reinforcing blocks 8, and the two first reinforcing blocks 7 are movably connected with the second reinforcing blocks 8, the two first reinforcing blocks 7 are both trapezoidal, the two second reinforcing blocks 8 are both trapezoidal, the inclined plane inclination angles of the two first reinforcing blocks 7 are the same as the inclined plane inclination angles of the second reinforcing blocks 8, after the installation is finished, the inclined planes of the first reinforcing blocks 7 can be just clamped on the inclined planes of the second reinforcing blocks 8, the loosening of the sleeve 6 on the outer surface of the vertical rod 3 can be prevented, when the fixing device is used, a user firstly sleeves the sleeve 6 on the outer surface of the vertical rod 3, then pulls the pull disc 18 leftwards to drive the clamping rod 15, after the sleeve 6 is sleeved on the outer surface of the vertical rod 3, loosens the pull disc 18, clamps the clamping block 9 into the clamping groove 19 for fixing, then fixedly welding the vertical rod 3 and the supporting plate 2, twists the second bolt 12 into the connecting plate 11 and the supporting plate 2 for fixing, then twists the first bolt 5 into the fixing plate 4 for fixing with the ground, and the two supporting rods 10 are triangular, also do not influence the stability of backup pad 2 when the user tramples the backup pad 2 left and right sides, when the inclined plane card of first reinforcement piece 7 was on the 8 inclined planes of second reinforcement piece, can prevent that sleeve 6 from taking place not hard up at 3 surfaces of montant to further improvement the holistic stability of stair body 1.

Referring to fig. 2, in the present embodiment, a blocking piece 17 is fixedly connected to an outer surface of the locking rod 15, the blocking piece 17 is movably connected to a right side of the spring 16, and when the pull plate 18 is pulled leftward to drive the locking rod 15 to move leftward, the blocking piece 17 can prevent the locking rod 15 from being pulled out from the inside of the fixing block 13.

Referring to fig. 1, in the present embodiment, a pull disc 18 is fixedly connected to the left side of the clamping rod 15, an anti-slip mat is fixedly connected to the outer surface of the pull disc 18, and the pull disc 18 is movably connected to the left side of the fixing block 13, so that the pull disc 18 is prevented from being slid by hand when being pulled leftwards.

Referring to fig. 1, in the present embodiment, the clamping block 9 is located inside the sleeve 6, the clamping groove 19 is formed inside the clamping block 9, the clamping rod 15 is movably connected inside the clamping groove 19, the right side of the clamping rod 15 is arc-shaped, the clamping groove 19 is arc-shaped, the size of the clamping groove 19 is larger than that of the right end of the clamping rod 15, and when the clamping rod 15 is clamped inside the clamping groove 19, the sleeve 6 can be prevented from sliding up and down.

Referring to fig. 1, in the present embodiment, the two support rods 10 are inclined, the inclination angle between the support rods 10 and the sleeve 6 is 30 °, and the two support rods 10 and the sleeve 6 are triangular, so as to enhance the supporting performance and avoid supporting the support plate 2 only by the vertical rod 3.

The electrical components appearing herein are all electrically connected with the controller and the power supply, the control mode of the utility model is controlled by the controller, the control circuit of the controller can be realized by simple programming of technicians in the field, the supply of the power also belongs to the common general knowledge in the field, and the utility model discloses mainly be used for protecting mechanical device, so the utility model discloses no longer explain control mode and circuit connection in detail.

The working principle of the above embodiment is as follows: during the use, earlier 6 covers on 3 surfaces of montant of sleeve, then pulling draw runner 18 left and drive kelly 15, 6 covers behind 3 surfaces of montant of sleeve, loosen draw runner 18, go into kelly 15 card and fix in the inside draw-in groove 19 of fixture block 9, then carry out welded fastening with montant 3 and backup pad 2, turn round second bolt 12 into connecting plate 11 and backup pad 2 inside and fix, then turn round first bolt 5 into fixed plate 4 portions and fix with ground, two bracing pieces 10 are triangle-shaped, do not influence the stability of backup pad 2 when the user tramples the backup pad 2 left and right sides yet, the inclined plane card of first anchor block 7 is when second anchor block 8 inclined planes, can prevent that sleeve 6 from taking place not hard up at 3 surfaces of montant, thereby further improved the holistic stability of stair body 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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, includes stair body (1), its characterized in that: the stair comprises a stair body (1), and is characterized in that a supporting plate (2) is fixedly connected to the left side of the stair body (1), a vertical rod (3) is fixedly connected to the bottom of the supporting plate (2), a fixing plate (4) is fixedly connected to the bottom of the vertical rod (3), two first bolts (5) are movably connected to the inside of the fixing plate (4), and a fixing device is fixedly connected to the outer surface of the vertical rod (3);

fixing device is including sleeve (6) at montant (3) surface swing joint, sleeve (6) left side fixedly connected with fixed block (13), movable groove (14) have been seted up to fixed block (13) inside, the inside swing joint in movable groove (14) has kelly (15), montant (3) surface fixedly connected with fixture block (9), kelly (15) surface swing joint has spring (16), sleeve (6) left side and the equal side fixedly connected with bracing piece in the right side (10), two the equal fixedly connected with connecting plate (11) in bracing piece (10) top, two the inside equal swing joint of connecting plate (11) has second bolt (12) that quantity is two.

2. The steel structure stair of claim 1, wherein: the outer surface of the clamping rod (15) is fixedly connected with a blocking piece (17), and the blocking piece (17) is movably connected to the right side of the spring (16).

3. The steel structure stair of claim 1, wherein: the clamping rod (15) is fixedly connected with a pull disc (18) on the left side, an anti-slip mat is fixedly connected to the outer surface of the pull disc (18), and the pull disc (18) is movably connected to the left side of the fixing block (13).

4. The steel structure stair of claim 1, wherein: the clamping block (9) is located inside the sleeve (6), a clamping groove (19) is formed in the clamping block (9), and the clamping rod (15) is movably connected inside the clamping groove (19).

5. The steel structure stair of claim 1, wherein: the sleeve is characterized in that the number of the first reinforcing blocks (7) is two and fixedly connected to the inner portion of the sleeve (6), the number of the second reinforcing blocks (8) is two and fixedly connected to the outer surface of the vertical rod (3), and the first reinforcing blocks (7) are movably connected with the second reinforcing blocks (8).

6. The steel structure stair of claim 5, wherein: the shape of the first reinforcing block (7) is trapezoidal, the shape of the second reinforcing block (8) is trapezoidal, and the inclined plane inclination angle of the first reinforcing block (7) is the same as that of the second reinforcing block (8).

7. The steel structure stair of claim 1, wherein: the two support rods (10) are in an inclined state, and the inclination angle of the support rods (10) and the sleeve (6) is 30 degrees.

8. The steel structure stair of claim 4, wherein: the right side of the clamping rod (15) is arc-shaped, the clamping groove (19) is arc-shaped, and the size of the clamping groove (19) is larger than that of the right end of the clamping rod (15).