CN216042263U - Assembled metal guardrail of indoor stair - Google Patents

Abstract

The utility model discloses an assembled metal guardrail for an indoor stair, which comprises a stair, a first handrail, a plurality of cross rods and a plurality of stand columns, wherein the bottom of each stand column is provided with a base, the stand columns are fixed on the stair through the bases, the side walls of the stand columns are hinged with supporting blocks, the tops of the supporting blocks are fixedly provided with clamping blocks, the bottoms of the first handrail are provided with wide grooves, the tops of the wide grooves are provided with first clamping grooves matched with the clamping blocks, two sides of the first clamping grooves are provided with spring grooves, spring I is arranged in each spring groove, one end of the spring I is fixed at the bottom of the spring groove, the other end of the spring I is fixedly provided with a first connecting block, two sides of each clamping block are symmetrically provided with second clamping grooves, the side walls of the stand columns are also fixedly provided with a plurality of trapezoidal connecting blocks, the trapezoidal connecting blocks are fixedly provided with fixing blocks through bolts, one end of each fixing block, far away from the trapezoidal connecting block, is provided with a third clamping groove, each cross rod is fixed in the third clamping groove, and the problem that most of the existing stair guardrails are complicated to be processed due to adopting a welded structure is solved, not easy to transport and unable to easily replace damaged parts.

Description

Assembled metal guardrail of indoor stair

Technical Field

The utility model relates to a stair guardrail, in particular to an assembled metal guardrail for an indoor stair.

Background

The guardrail is everywhere visible, play the protection, the isolation effect, the staircase guardrail must be installed, prevent that the accident from taking place to fall, current staircase guardrail, it forms to adopt stainless steel or aluminum alloy welding more, but the guardrail processing that the welding formed is complicated, and difficult transportation, the guardrail has formed a whole through the welding, make can't change impaired part at will when certain part takes place to damage, can only carry out the whole change or weld again to the guardrail, improved use cost and if weld again still can produce the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an assembled metal guardrail for an indoor stair, which solves the problems that the existing stair guardrail mostly adopts a welded structure, so that the guardrail is complex to process, is difficult to transport and cannot simply replace damaged parts.

The technical purpose of the utility model is realized by the following technical scheme:

an assembled metal guardrail for an indoor stair comprises a stair, a first handrail, a plurality of cross rods and a plurality of stand columns, wherein a base is arranged at the bottom of each stand column, the stand columns are vertically fixed on the stair through the base, supporting blocks are hinged to the side walls of the stand columns, clamping blocks are fixed to the tops of the supporting blocks, wide grooves matched with the supporting blocks are formed in the bottoms of the first handrail, first clamping grooves matched with the clamping blocks are formed in the tops of the wide grooves, spring grooves are symmetrically formed in two sides of the first clamping grooves, first springs are arranged in the spring grooves, one ends of the first springs are fixed to the bottoms of the spring grooves, first connecting blocks are fixed to the other ends of the first springs, second clamping grooves matched with the connecting blocks are symmetrically formed in two sides of the clamping blocks, a plurality of trapezoidal connecting blocks are fixed to the side walls of the stand columns, and fixing blocks are fixed to the trapezoidal connecting blocks through bolts, and a third clamping groove is formed in one end, far away from the trapezoidal connecting block, of the fixing block, and the transverse rods are fixed in the third clamping grooves.

By adopting the technical scheme, when the guardrail is required to be installed on the stair, the upright posts are vertically fixed on the stair through the base, the fixture blocks fixed on the support blocks can be horizontally upward by rotating the support blocks, the wide grooves at the bottoms of the first handrails are aligned with the fixture blocks, the first handrails are pressed downwards to enable the support blocks and the fixture blocks to enter the wide grooves, the fixture blocks enter the first clamping grooves by continuously pressing the first handrails, the first connecting blocks are extruded by the fixture blocks, the first connecting blocks extrude the first springs to enable the first springs to generate elastic force to return to the spring grooves, when the fixture blocks continuously slide the second clamping grooves to be in contact with the first connecting blocks in the first clamping grooves, the first connecting blocks are not extruded, the first connecting blocks are ejected into the second clamping grooves through the elastic force of the first springs, therefore, the assembly between the first handrails and the upright posts is realized, after the first handrails are installed, the cross bars are installed into the third clamping grooves of the fixing blocks, the cross bars can be adjusted to proper angles through the fixing blocks by rotating the fixing blocks, and finally, the fixing blocks are fixed on the trapezoidal connecting blocks through bolts, and people with different heights can provide a grabbing function through the cross rods with different heights.

Preferably, the base comprises a fixing plate and a plurality of expansion screws, the fixing plate is fixed on the side wall of the bottom of the upright post, a plurality of positioning holes matched with the expansion screws are formed in the fixing plate, the fixing plate is fixed on the stair through expansion bolts, a left bottom cover and a right bottom cover matched with the fixing plate are arranged at the bottom of the upright post in a sliding mode, a second connecting block is symmetrically fixed at the bottom of the left bottom cover, a connecting hole is formed in the second connecting block, and connecting columns matched with the connecting hole are symmetrically fixed at the bottom of the right bottom cover.

By adopting the technical scheme, the upright post is connected with the stairs through the fixing plate, the fixing plate is fixed with the stairs through the expansion screws, the left bottom cover and the right bottom cover are connected through the connecting block and the connecting column, and the base is protected through the left bottom cover and the right bottom cover.

Preferably, a plurality of support rods are fixed on the stairs, support plates are fixed on the support rods, rotating balls are rotatably arranged at the ends, far away from the support rods, of the support plates, and one ends of the rotating balls are fixed with the cross rods.

Adopt above-mentioned technical scheme, fix through horizontal pole and rolling ball, the rolling ball adopts to rotate with the backup pad to be connected and has prevented to take place spacing card when the horizontal pole angle is adjusted to needs and has died, thereby plays the effect of supporting the horizontal pole through the bracing piece.

Preferably, communicated threaded holes are formed among the supporting block, the clamping block and the first handrail, and a first bolt is in threaded fit among the supporting block, the clamping block and the first handrail.

Adopt above-mentioned technical scheme, thereby the stability of accessible bolt one increases handrail one when preventing that handrail one from producing the clearance fastness decline in long-term use and the cooperation between the fixture block.

Preferably, the first handrail is wrapped with an anti-slip sleeve.

Adopt above-mentioned technical scheme, thereby through the antiskid nature that antiskid cover increases handrail one to protection user of can be better.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic sectional view for showing an embodiment;

FIG. 3 is a top partial cross-sectional view for showing an embodiment;

FIG. 4 is a schematic view of an embodiment showing the assembly of a rail and a column;

FIG. 5 is a schematic assembly view of a structure for showing a base according to an embodiment.

Reference numerals: 1. a staircase; 2. a first handrail; 3. a cross bar; 4. a base; 5. a support block; 6. a clamping block; 7. a wide groove; 8. a first clamping groove; 9. a spring slot; 10. a first spring; 11. a first connecting block; 12. a second clamping groove; 13. a trapezoidal connecting block; 14. a fixed block; 15. a third clamping groove; 16. a fixing plate; 17. an expansion screw; 18. positioning holes; 19. a left bottom cover; 20. a right bottom cover; 21. a second connecting block; 22. connecting holes; 23. connecting columns; 24. a support bar; 25. a support plate; 26. rotating the ball; 27. a threaded hole; 28. a first bolt; 29. an anti-slip sleeve; 30. and (4) a column.

Detailed Description

The following description is only a preferred embodiment of the present invention, and the protection scope is not limited to the embodiment, and any technical solution that falls under the idea of the present invention should fall within the protection scope of the present invention. It should also be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model.

Referring to fig. 1 to 5, an assembled metal guardrail of an indoor stair 1 comprises a stair 1, a first handrail 2, a plurality of cross bars 3 and a plurality of upright posts 30, wherein the bottom of each upright post 30 is provided with a base 4, each upright post 30 is vertically fixed on the stair 1 through the base 4, each base 4 comprises a fixing plate 16 and a plurality of expansion screws 17, the fixing plate 16 is fixed on the side wall of the bottom of each upright post 30, each upright post 30 is connected with the stair 1 through the fixing plate 16, the fixing plate 16 is provided with a plurality of positioning holes 18 matched with the expansion screws 17, the fixing plate 16 is fixed on the stair 1 through expansion screws, the bottom of each upright post 30 is slidably provided with a left bottom cover 19 and a right bottom cover 20 matched with the fixing plate 16, the bottom of the left bottom cover 19 is symmetrically fixed with a second connecting block 21, the second connecting hole 22 is formed in the second connecting block 21, and the bottom of the right bottom cover 20 is symmetrically fixed with a connecting post 23 matched with the connecting hole 22, the left bottom cover 19 and the right bottom cover 20 are connected with the connecting column 23 through the second connecting block 21, and the left bottom cover 19 and the right bottom cover 20 protect the base 4.

Referring to fig. 2 and 3, a supporting block 5 is hinged on the side wall of the upright column 30, a clamping block 6 is fixed at the top of the supporting block 5, when a first handrail 2 needs to be installed, the supporting block 5 is rotated to enable the clamping block 6 fixed on the supporting block 5 to be horizontally upward, a wide groove 7 matched with the supporting block 5 is formed in the bottom of the first handrail 2, the wide groove 7 in the bottom of the first handrail 2 is aligned with the clamping block 6, the first handrail 2 is pressed downwards to enable the supporting block 5 and the clamping block 6 to enter the wide groove 7, a clamping groove 8 matched with the clamping block 6 is formed in the top of the wide groove 7, the clamping block 6 enters the clamping groove 8 by continuous pressing of the first handrail 2, spring grooves 9 are symmetrically formed in two sides of the clamping groove 8, first springs 10 are arranged in the spring grooves 9, one end of the first springs 10 is fixed at the bottom of the spring grooves 9, a connecting block 11 is fixed at the other end of the first springs 10, the clamping block 6 extrudes the connecting block 11, the first springs 10 to enable the first springs 10 to generate elastic force to return to the spring grooves 9, the two sides of the clamping block 6 are symmetrically provided with a clamping groove two 12 matched with the connecting block one 11, when the clamping block 6 continuously slides in the clamping groove one 8, the clamping groove two 12 is in contact with the connecting block one 11, the connecting block one 11 is not extruded, the connecting block one 11 is bounced into the clamping groove two 12 through the elastic force of the spring one 10, therefore, the assembly between the handrail one 2 and the upright post 30 is achieved, the supporting block 5, the clamping block 6 and the handrail one 2 are provided with communicated threaded holes 27, the supporting block 5, the clamping block 6 and the handrail one 2 are in threaded fit with a bolt one 28, the bolt one 28 is used for preventing the handrail one 2 from being matched with the clamping block 6 to generate gap firmness reduction in long-term use, and therefore the stability of the handrail one 2 can be improved.

As shown in fig. 1 and 4, still be fixed with a plurality of trapezoidal connecting blocks 13 on the lateral wall of stand 30, all there is fixed block 14 through the bolt fastening on each trapezoidal connecting block 13, three 15 draw-in grooves have been seted up to the one end that trapezoidal connecting block 13 was kept away from to fixed block 14, each horizontal pole 3 is all fixed in three 15 draw-in grooves, after handrail 2 is installed, in three 15 draw-in grooves of installing into fixed block 14 with each horizontal pole 3, rotate fixed block 14 and make and to adjust horizontal pole 3 to suitable angle through fixed block 14, fix fixed block 14 on trapezoidal connecting block 13 through the bolt at last, make through the horizontal pole 3 of co-altitude not can each not provide the effect of holding up.

Like fig. 1 and 3, be fixed with a plurality of bracing pieces 24 on the stair 1, be fixed with backup pad 25 on the bracing piece 24, the one end that the bracing piece 24 was kept away from to backup pad 25 rotates and is provided with rolling ball 26, the one end and the horizontal pole 3 of rolling ball 26 are fixed, fix with rolling ball 26 through horizontal pole 3, rolling ball 26 adopts to rotate with backup pad 25 to be connected and has prevented to take place spacing card when 3 angles of horizontal pole are adjusted to needs and die, thereby play the effect of supporting horizontal pole 3 through bracing piece 24.

As shown in fig. 2, the first handrail 2 is wrapped with the anti-slip sleeve 29, and the anti-slip property of the first handrail 2 is increased through the anti-slip sleeve 29, so that a user can be better protected.

Claims (5)

1. An assembled metal guardrail for an indoor stair comprises a stair (1), a first handrail (2), a plurality of cross rods (3) and a plurality of upright posts (30), and is characterized in that a base (4) is arranged at the bottom of each upright post (30), each upright post (30) is vertically fixed on the stair (1) through the corresponding base (4), a supporting block (5) is hinged on the side wall of each upright post (30), a clamping block (6) is fixed at the top of each supporting block (5), a wide groove (7) matched with the supporting block (5) is formed at the bottom of each first handrail (2), a first clamping groove (8) matched with the clamping block (6) is formed at the top of each wide groove (7), spring grooves (9) are symmetrically formed in two sides of each first clamping groove (8), a first spring (10) is arranged in each spring groove (9), one end of each first spring (10) is fixed at the bottom of each spring groove (9), the other end of the first spring (10) is fixed with a first connecting block (11), two clamping grooves (12) matched with the first connecting block (11) are symmetrically formed in two sides of the clamping block (6), a plurality of trapezoidal connecting blocks (13) are further fixed on the side wall of the upright post (30), each trapezoidal connecting block (13) is fixedly provided with a fixing block (14) through a bolt, one end, far away from the trapezoidal connecting blocks (19), of each fixing block (14) is provided with a third clamping groove (15), and each transverse rod (3) is fixed in the third clamping groove (15).

2. The assembled metal guardrail of claim 1, wherein, the base (4) comprises a fixing plate (16) and a plurality of expansion screws (17), the fixing plate (16) is fixed on the side wall of the bottom of the upright post (30), a plurality of positioning holes (18) matched with the expansion screws (17) are arranged on the fixing plate (16), the fixing plate (16) is fixed on the stair (1) through an expansion bolt (17), the bottom of the upright post (30) is provided with a left bottom cover (19) and a right bottom cover (20) which are matched with the fixing plate (16) in a sliding way, a second connecting block (21) is symmetrically fixed at the bottom of the left bottom cover (19), a connecting hole (22) is formed in the second connecting block (21), connecting columns (23) matched with the connecting holes (22) are symmetrically fixed at the bottom of the right bottom cover (20).

3. The assembled metal guardrail of claim 2, characterized in that a plurality of support bars (24) are fixed on the stair (1), a support plate (25) is fixed on the support bars (24), a rotating ball (26) is rotatably arranged at one end of the support plate (25) far away from the support bars (24), and one end of the rotating ball (26) is fixed with the cross bar (3).

4. The assembled metal guardrail of claim 3, wherein threaded holes (27) are formed among the supporting block (5), the clamping block (6) and the first handrail (2), and a first bolt (28) is in threaded fit among the supporting block (5), the clamping block (6) and the first handrail (2).

5. An indoor stair assembled metal guardrail according to claim 4, wherein the first handrail (2) is wrapped with an anti-skid sleeve (29).

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