CN212176367U

CN212176367U - Stair railing of middle and primary school teaching building

Info

Publication number: CN212176367U
Application number: CN202020711982.6U
Authority: CN
Inventors: 李牧江; 蔡一鹏; 陈荣杰
Original assignee: Xiamen Zhongjian Northeast Designing Institute Co ltd
Current assignee: Xiamen Zhongjian Northeast Designing Institute Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-12-18
Anticipated expiration: 2030-04-30

Abstract

The utility model belongs to the technical field of housing construction's technique and specifically relates to a stair railing of middle and primary school's teaching building is related to, its package includes that the interval sets up a plurality of railings and the main handrail of slope connection in the railing upper end on stair, main handrail below parallel arrangement has vice handrail, be provided with fixed subassembly on the railing, vice handrail fixed connection is on fixed subassembly. The utility model discloses a stair railing of middle and primary school's teaching building has the advantage that makes things convenient for pupil to use.

Description

Stair railing of middle and primary school teaching building

Technical Field

The utility model belongs to the technical field of housing construction's technique and specifically relates to a stair railing of middle and primary school's teaching building is related to.

Background

The stair handrail plays the effect of protecting the pedestrian, prevents that the pedestrian from the important structure that the stair edge was fallen, except preventing that the pedestrian from falling, can also supply the pedestrian to hold by hand when walking, can grasp the handrail when will falling and prevent to roll down along the stair.

At present, a Chinese patent with a publication number of CN203716426U is searched to disclose a stair railing, and the key points of the technical scheme are as follows: including a plurality of stands, a plurality of stands on install handrail face pole, be equipped with protection unit, its characterized in that between the double-phase adjacent stand: the protection unit is as follows: the two ends of the upper guard bar and the lower guard bar are respectively welded and fixed with the stand column, a blocking bar is arranged between the upper guard bar and the lower guard bar, and a protective cover is arranged at the welding position of the two ends of the upper guard bar and the lower guard bar and the stand column.

The technical scheme disclosed in the above has the advantages of protecting the welding position and prolonging the service life. But in the middle and primary schools, the grade of primary school and the grade of middle school are in the same campus. The height of the handrails of the ministry and the middle school are generally uniformly set to be the same (not less than 0.90 m indoors and not less than 1.10 m outdoors), and the height difference between the bodies of the pupils and the middle school students is large, especially the height requirement of the bodies of the pupils in the lower grades on the handrails is low (the stairs used by children are generally 0.6 m), so that the problem of inconvenient use of the pupils exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stair railing of middle and primary school's teaching building to the not enough of prior art existence, has the advantage that makes things convenient for pupil to use.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a stair railing of middle and primary school's teaching building, sets up a plurality of railings and the main handrail of slope connection in the railing upper end on stair including the interval, main handrail below parallel arrangement has vice handrail, be provided with fixed subassembly on the railing, vice handrail fixed connection is on fixed subassembly.

Through adopting above-mentioned technical scheme, through fixed subassembly with vice handrail fixed connection on the pull rod, make vice handrail in main handrail below parallel arrangement, mr and middle school student can grasp main handrail when stair walk, and pupils just can grasp the vice handrail of below when stair walk, have made things convenient for pupils to use the handrail.

The present invention may be further configured in a preferred embodiment as: the fixed subassembly includes sleeve and locking bolt, sleeve activity cover is established on the railing, the last mounting hole that has radially seted up of vice handrail, the sleeve radially has seted up the screw hole, locking bolt passes mounting hole and screw hole threaded connection and can contradict the railing lateral wall.

Through adopting above-mentioned technical scheme, fixing bolt passes vice handrail from the mounting hole earlier, gets into screw hole and sleeve threaded connection again, continues to rotate locking screw and makes it pass sleeve conflict railing, realizes the fixed of sleeve and vice handrail.

The present invention may be further configured in a preferred embodiment as: be provided with the drive assembly that the drive handrail goes up and down on the railing, drive assembly includes spiral shell, worm wheel, worm, the vertical fixed connection of spiral shell is on the railing, the coaxial rotation of worm wheel is connected in the sliding cylinder, worm wheel and the coaxial threaded connection of spiral shell, the intercommunication has the installation shell on the sliding cylinder of worm wheel one side, the worm rotates to be connected in the installation shell and extends to outside the installation shell, worm and worm wheel meshing transmission, vice handrail passes through bolt fixed connection at the sliding cylinder lateral wall.

Through adopting above-mentioned technical scheme, when the height that needs adjust vice handrail adapts to the pupil and risees, the line is rotated locking bolt and is detached the conflict railing, remove the fixed to vice handrail vertical direction, it rotates to drive the worm wheel rotating the worm, because worm wheel and screw rod threaded connection, the worm wheel rotates the removal that can take place vertical direction simultaneously in-process, it slides from top to bottom to drive the sliding cylinder, thereby the sliding cylinder goes up and down with vice handrail synchronous, adjust to suitable position and fix vice handrail on the railing rotating locking bolt, vice handrail height-adjustable's purpose has been realized.

The present invention may be further configured in a preferred embodiment as: the fixed subassembly sets up two, two the fixed subassembly interval sets up on different railings.

Through adopting above-mentioned technical scheme, the interval sets up two fixed subassemblies, can prevent vice handrail because the moment of torsion that gravity produced in vice handrail and fixed subassembly junction is too big to damage handrail and fixed subassembly, and can make vice handrail atress more even, it is fixed more firm.

The present invention may be further configured in a preferred embodiment as: the two driving assemblies are arranged at two ends of the auxiliary handrail respectively.

Through adopting above-mentioned technical scheme, when a drive assembly driven vice handrail goes up and down, the vice handrail that is close to drive assembly department can produce deformation, and drive assembly can receive the moment of torsion that the vice handrail of both sides produced to the easy slip process card dies, and inconvenient regulation sets up two drive assembly and can go up and down vice handrail both ends in step, makes its steady lift.

The present invention may be further configured in a preferred embodiment as: the worm is kept away from a coaxial fixedly connected with carousel of slip section of thick bamboo one end, carousel edge fixedly connected with handle.

Through adopting above-mentioned technical scheme, set up the arm of force of moment of torsion when the carousel has increased the rotation worm, rotation worm that can relax more.

The present invention may be further configured in a preferred embodiment as: the sleeve side wall is fixedly connected with a first reinforcing cylinder, the first reinforcing cylinder is coaxially communicated with the threaded hole, and the first reinforcing cylinder is in threaded connection with the locking bolt.

Through adopting above-mentioned technical scheme, increase threaded connection's length to increase the locking bolt steadiness, damage the screw thread in the screw hole when preventing to press vice handrail.

The present invention may be further configured in a preferred embodiment as: and the auxiliary handrail close to the head of the locking bolt is provided with a groove, and the groove is used for the head of the locking bolt to be embedded.

Through adopting above-mentioned technical scheme, increase vice handrail and the area of contact of head of bolt head, prevent vice handrail by head of bolt extrusion deformation, lead to vice handrail not hard up.

To sum up, the utility model discloses a following at least one useful technological effect:

an auxiliary handrail is arranged below the main handrail in parallel, so that the handrail is convenient for pupils to use when walking on stairs;

the two ends of the auxiliary handrail are provided with driving components, so that the height of the auxiliary handrail can be adjusted according to the height of the pupil;

the auxiliary handrail is fixed stably and is not easy to deform.

Drawings

FIG. 1 is a schematic view of the overall structure;

FIG. 2 is a schematic view of a securing assembly mechanism;

FIG. 3 is a schematic view of a drive assembly;

fig. 4 is a schematic view of the driving assembly.

In the figure, 1, stairs; 2. a railing; 3. a main armrest; 4. an auxiliary armrest; 5. a fixing assembly; 6. a drive assembly; 7. a screw cylinder; 8. a sliding cylinder; 9. mounting a shell; 10. a worm; 11. a turntable; 12. a handle; 13. a first reinforcing cylinder; 14. locking the bolt; 15. a groove; 16. a worm gear; 17. a yielding groove; 18. a sleeve; 19. a yielding cavity; 20. a second reinforcement cylinder; 21. and (4) countersinking.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a stair railing of middle and primary school's teaching building, set up a plurality of railing 2 and the main handrail 3 of slope connection in railing 2 upper end on stair 1 including the interval, the equal vertical setting of a plurality of railing 2 is on stair 1, and main handrail 3 is the same with the ascending inclination of stair 1, and 3 below parallel arrangement of main handrail have vice handrail 4, are provided with fixed subassembly 5 on railing 2, and vice handrail 4 fixed connection is on fixed subassembly 5. Fixed subassembly 5 is fixed vice handrail 4 and railing 2, and vice handrail 4 keeps the parallel state in the stable below of main handrail 3 promptly, and when pupil walked on stair 1, because can't reach main handrail 3, there was the potential safety hazard of falling down, sets up vice handrail 4 and makes things convenient for pupil to hand.

Referring to fig. 2, specifically, the fixing assembly 5 includes a sleeve 18 and a locking bolt 14, the sleeve 18 is movably sleeved on the balustrade 2, an abdicating cavity 19 is formed in the inner wall of the middle portion of the sleeve 18, a mounting hole is radially formed in the auxiliary handrail 4, a threaded hole is radially formed in the sleeve 18, the locking bolt 14 penetrates through the mounting hole to be in threaded connection with the threaded hole, and the locking bolt continues to penetrate through the abdicating cavity 19 and can abut against the side wall of the balustrade 2. Pass the mode of mounting hole screw hole and then conflict railing 2 through locking bolt 14, all fix on railing 2 vice handrail 4 and sleeve 18, when needs change vice handrail 4, only need rotate locking bolt 14 and take out it from the mounting hole, vice handrail 4 just breaks away from 2 lateral walls of railing, has the effect of convenient change.

Referring to fig. 3 and 4, further, a driving assembly 6 for driving the handrail to ascend and descend is arranged on the handrail 2, the driving assembly 6 comprises a screw cylinder 7, a worm wheel 16 and a worm 10, the screw cylinder 7 is vertically and fixedly connected to the handrail 2, the screw cylinder 7 and the handrail 2 can be fixed through welding, and in another embodiment, the screw cylinder can also be fixed to the handrail 2 through a flange, so that the handrail is convenient to detach. The flange connection is that two pipelines, pipe fittings or equipment are respectively fixed on a flange plate, a flange pad is added between the two flange plates, and the two flange plates are fastened together by bolts to complete the connection. Coaxially seted up in the sliding tube 8 and stepped down the groove 17, worm wheel 16 horizontal rotation is in the groove 17 of stepping down, realize that worm wheel 16 and sliding tube 8's horizontal rotation is connected, and axial relative motion can not take place, worm wheel 16 and 7 coaxial threaded connection of spiral shell, the intercommunication has installation shell 9 on the sliding tube 8 of worm wheel 16 one side, worm 10 rotates to be connected in installation shell 9 and extends to outside installation shell 9, worm 10 and the meshing transmission of worm wheel 16, vice handrail 4 passes through bolt fixed connection at the 8 lateral walls of sliding tube. The side wall of the sliding cylinder 8 far away from the mounting shell 9 is fixedly connected with a second reinforcing cylinder 20, a counter bore 21 is formed in the auxiliary handrail 4, and a bolt penetrates through the counter bore 21 to be in threaded connection with the second reinforcing cylinder 20, so that the auxiliary handrail 4 is fixedly connected with the sliding cylinder 8 and can be lifted synchronously.

When the height of the auxiliary handrail 4 needs to be adjusted, the locking bolt 14 is firstly rotated to be separated from the threaded hole, the fixing assembly 5 is fixedly contacted with the plurality of auxiliary handrails 4, the worm gear 10 is rotated to drive the worm gear 16 to rotate, the worm gear 16 and the screw cylinder 7 are relatively rotated to drive the worm gear 16 to lift, so that the sliding cylinder 8 is lifted, the auxiliary handrail 4 and the sliding cylinder 8 are fixed through the bolts, the lifting of the auxiliary handrail 4 is realized, the worm gear 10 is stopped to rotate when the auxiliary handrail 4 is lifted to a required position, the locking bolt 14 is screwed to enable the auxiliary handrail 4 to abut against the handrail 2, and the auxiliary handrail 4 and the handrail 2 are fixed. The height adjustment of the sub armrest 4 is completed.

Referring to fig. 1 and 2, further, two fixing assemblies 5 are provided, two fixing assemblies 5 are arranged on different railings 2 at intervals, and preferably, two fixing assemblies 5 are arranged at trisection positions. The two fixing members 5 are spaced apart to prevent excessive torque from being generated between the sub handrail 4 and the fixing members 5, thereby damaging the sub handrail 4 and the fixing members 5. The two fixing components 5 are arranged at the trisection point, so that the stress of the auxiliary handrail 4 is more uniform, and the whole handrail is more stable. Further, two driving assemblies 6 are provided, and the two driving assemblies 6 are respectively provided at both ends of the sub handrail 4. The worm 10 is simultaneously rotated at the two ends of the auxiliary handrail 4 to adjust the height of the auxiliary handrail 4, so that the auxiliary handrail 4 can be more stably lifted, and the sleeve 18 and the handrail 2 cannot be clamped due to only one driving point. In another embodiment, the sleeves are fixed at both ends to the balustrade by flanges, increasing the stability of the sub-handrail. When the sub handrail 4 needs to be raised and lowered, the flange is temporarily released from fixing the sleeve 18.

Referring to fig. 3, further, a rotating disc 11 is coaxially and fixedly connected to one end of the worm 10 away from the sliding cylinder 8, and a handle 12 is fixedly connected to the edge of the rotating disc 11. The rotary plate 11 can increase the moment arm when the screw rod is rotated, so that the screw rod is easier to rotate during adjustment, the handle 12 is convenient to hold when rotating, and the rotary plate 11 is prevented from slipping when rotating.

Referring to fig. 2 and 3, further, a first reinforcing cylinder 13 is fixedly connected to a side wall of the sleeve 18, the first reinforcing cylinder 13 is coaxially communicated with the threaded hole, the first reinforcing cylinder 13 is in threaded connection with the locking bolt 14, and one end of the first reinforcing cylinder 13, which is close to the auxiliary handrail 4, is arranged to be curved to be attached to a side wall of the auxiliary handrail 4. First reinforcement section of thick bamboo 13 has increased sleeve 18 and locking bolt 14 threaded connection's length, has increased the fixed intensity of locking bolt 14 to first reinforcement section of thick bamboo 13 is close to vice handrail 4 one end and is favorable to vice handrail 4's stability with the laminating of vice handrail 4 lateral wall, prevents vice handrail 4 and sleeve 18 lateral wall extrusion deformation, has prevented the not hard up of vice handrail 4. Further, the sub handrail 4 near the head of the locking bolt 14 is provided with a groove 15, and the groove 15 is used for the head of the locking bolt 14 to be embedded. Increase the area of contact of vice handrail 4 and head of bolt, vice handrail 4 takes place deformation and leads to becoming flexible when preventing the extrusion, has increased vice handrail 4's firm.

The implementation principle of the embodiment is as follows: the auxiliary handrail 4 is detachably fixed below the main handrail 3 through the fixing assembly 5, and the driving assemblies 6 for driving the auxiliary handrail 4 to ascend and descend are arranged at two ends of the auxiliary handrail 4. Make vice handrail 4 reach the effect that can height-adjusting through drive assembly 6, conveniently according to the vice handrail 4 height of pupil's height adjustment, provide convenience for pupil uses the handrail when the stair 1 is walked.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a stair railing of middle and primary school's teaching building, includes that the interval sets up a plurality of railing (2) and the slope on stair (1) and connects main handrail (3) in railing (2) upper end, its characterized in that: the handrail is characterized in that auxiliary handrails (4) are arranged below the main handrail (3) in parallel, a fixing component (5) is arranged on the handrail (2), and the auxiliary handrails (4) are fixedly connected onto the fixing component (5).

2. The stair railing of the teaching building for primary and secondary schools according to claim 1, wherein: fixed subassembly (5) include sleeve (18) and locking bolt (14), sleeve (18) activity cover is established on railing (2), the mounting hole has radially been seted up on vice handrail (4), sleeve (18) radially seted up threaded hole, locking bolt (14) pass mounting hole and screw hole threaded connection and can conflict railing (2) lateral wall.

3. The stair railing of the teaching building for primary and secondary schools according to claim 2, wherein: be provided with drive assembly (6) that drive handrail goes up and down on railing (2), drive assembly (6) are including spiral shell section of thick bamboo (7), worm wheel (16), worm (10), the vertical fixed connection of spiral shell section of thick bamboo (7) is on railing (2), worm wheel (16) coaxial rotation is connected in sliding tube (8), worm wheel (16) and spiral shell section of thick bamboo (7) coaxial thread are connected, the intercommunication has installation shell (9) on sliding tube (8) of worm wheel (16) one side, worm (10) rotate to be connected in installation shell (9) and extend to outside installation shell (9), worm (10) and worm wheel (16) meshing transmission, vice handrail (4) are through bolt fixed connection at sliding tube (8) lateral wall.

4. The stair railing of the teaching building for primary and secondary schools according to claim 3, wherein: the fixed components (5) are arranged in two, and the fixed components (5) are arranged on different railings (2) at intervals.

5. The stair railing of the teaching building for primary and secondary schools according to claim 4, wherein: the two driving assemblies (6) are arranged, and the two driving assemblies (6) are respectively arranged at two ends of the auxiliary handrail (4).

6. The stair railing of the teaching building for primary and secondary schools according to claim 5, wherein: one end, far away from the sliding cylinder (8), of the worm (10) is coaxially and fixedly connected with a rotary table (11), and the edge of the rotary table (11) is fixedly connected with a handle (12).

7. The stair railing of the teaching building for primary and secondary schools according to claim 6, wherein: the side wall of the sleeve (18) is fixedly connected with a first reinforcing cylinder (13), the first reinforcing cylinder (13) is coaxially communicated with a threaded hole, and the first reinforcing cylinder (13) is in threaded connection with a locking bolt (14).

8. The stair railing of the teaching building for primary and secondary schools according to claim 7, wherein: a groove (15) is formed in the auxiliary handrail (4) close to the head of the locking bolt (14), and the groove (15) is used for the head of the locking bolt (14) to be embedded.