CN220539281U - Safety protection device for prefabricated stairway opening - Google Patents
Safety protection device for prefabricated stairway opening Download PDFInfo
- Publication number
- CN220539281U CN220539281U CN202321995488.7U CN202321995488U CN220539281U CN 220539281 U CN220539281 U CN 220539281U CN 202321995488 U CN202321995488 U CN 202321995488U CN 220539281 U CN220539281 U CN 220539281U
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- wall
- fixedly connected
- connecting cylinder
- stand
- upright post
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- 235000010627 Phaseolus vulgaris Nutrition 0.000 claims abstract description 18
- 244000046052 Phaseolus vulgaris Species 0.000 claims abstract description 18
- 244000309464 bull Species 0.000 claims description 12
- 238000010276 construction Methods 0.000 abstract description 2
- 238000009435 building construction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model relates to the field of construction protection, and discloses a prefabricated building entrance safety protection device which comprises a first upright post and a second upright post, wherein connecting frames are fixedly connected to adjacent sides of the first upright post and the second upright post, one connecting frame is internally provided with a connecting cylinder, the other connecting frame is internally provided with a sliding rod, the outer wall of the sliding rod is slidably connected to the inner wall of the connecting cylinder, and one side of the outer wall of the connecting cylinder is fixedly connected with a fixing frame. According to the utility model, after the first upright post is installed, the second upright post is pulled, so that the sliding rod and the connecting cylinder rotate in the connecting frame to perform angle adjustment, then the elastic beans are pressed inwards, the elastic beans are retracted into the locating holes, then the rotating disc drives the rotating rod to rotate, and further the gear is driven to rotate, so that the rack moves on the gear, the sliding rod can be driven to slide out of the connecting cylinder, and finally the second upright post is installed, so that the protection device can be adjusted according to stairs with different steps and angles.
Description
Technical Field
The utility model relates to the field of construction protection, in particular to a safety protection device for a prefabricated stairway opening.
Background
Each step in a typical stair today comprises a horizontal surface arranged horizontally and a vertical surface arranged vertically. The stair opening of the building construction site belongs to a safety face side protection occasion, and before the existing prefabricated stair is installed, the stair opening is vertical and has no protection, and a great potential safety hazard exists, but the existing common stair opening protection device is generally fixed on the stair horizontal plane through bolts, so that the building construction site is inconvenient to detach, the size of the stair opening protection device is generally fixed, and the stair opening protection device cannot be adjusted according to different stair numbers and angles, so that the building construction site is very inconvenient.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a safety protection device for a prefabricated stairway opening.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a prefabricated stair mouth safety device, includes stand one and stand two, the equal fixedly connected with link of adjacent side of stand one and stand two, one of them the inside of link is provided with the connecting cylinder, another the inside of link is provided with the slide bar, the outer wall sliding connection of slide bar is in the inner wall of connecting cylinder, outer wall one side fixedly connected with mount of connecting cylinder, the inner wall rotation of mount is connected with the bull stick, the top of bull stick runs through the upper surface of mount and extends to the outside, the top fixedly connected with carousel of bull stick, the outer wall middle part fixedly connected with gear of bull stick, the gear meshes with the rack, one side fixedly connected with of rack is in the inner wall of spacing groove, the outer wall one side of slide bar is seted up to the spacing groove, upper surface one side of slide bar is provided with positioning mechanism.
As a further description of the above technical solution:
the positioning mechanism comprises a mounting groove, the mounting groove is formed in one side of the upper surface of the sliding rod, a spring is fixedly connected to the lower surface of the inside of the mounting groove, a spring bean is fixedly connected to the top end of the spring, the outer wall of the spring bean is slidably connected to the inner wall of the positioning hole, and the positioning hole is formed in the upper surface of the connecting cylinder.
As a further description of the above technical solution:
one side of the gear is arranged in the through groove, and the through groove is formed in one side of the outer wall of the connecting cylinder.
As a further description of the above technical solution:
the connecting sleeve is fixedly connected with one end of the connecting cylinder and one end of the sliding rod, the fixing rods are inlaid in the inner walls of the connecting sleeves, and two ends of each fixing rod are fixedly connected with the inner walls of the connecting frame.
As a further description of the above technical solution:
the connecting sleeve is characterized in that connecting lugs are fixedly connected to two sides of the opening of the connecting sleeve, and screw rods are connected to two sides of the surface of the connecting lugs in a threaded manner.
As a further description of the above technical solution:
the bottom of stand one and stand two equal fixedly connected with mounting bracket, the lower surface of mounting bracket rotates and is connected with the bolt, the upper surface of mounting bracket is run through to the one end of bolt and extend to outside, the inside of mounting bracket is provided with the piece that supports, the surface one side threaded connection of supporting the piece is at the outer wall of bolt.
As a further description of the above technical solution:
the locating holes are formed in a plurality of positions, and the locating holes are arranged on the upper surface of the connecting cylinder at equal intervals.
The utility model has the following beneficial effects:
1. according to the utility model, after the first upright post is installed, the second upright post is pulled, so that the sliding rod and the connecting cylinder rotate in the connecting frame to perform angle adjustment, then the elastic beans are pressed inwards, the elastic beans are retracted into the locating holes, then the rotating disc drives the rotating rod to rotate, and further the gear is driven to rotate, so that the rack moves on the gear, the sliding rod can be driven to slide out of the connecting cylinder, and finally the second upright post is installed, so that the protection device can be adjusted according to stairs with different steps and angles.
2. According to the utility model, the screw is screwed out of the connecting lug, the connecting sleeve is separated from the fixing rod, so that the sliding rod and the connecting cylinder can be disassembled, the supporting block is driven to move downwards by the rotating bolt, and the mounting frame is separated from the surface of the step, so that the device is convenient to disassemble, the size is reduced, the transportation is convenient, and the portability is improved.
Drawings
FIG. 1 is a perspective view of a safety device for a prefabricated stairway opening according to the present utility model;
FIG. 2 is a side view of a safety device for a prefabricated stairway opening according to the utility model;
fig. 3 is a structural development view of a safety protection device for a prefabricated stairway opening.
Legend description:
1. a first upright post; 2. a second upright post; 3. a connecting frame; 4. a connecting cylinder; 5. a slide bar; 6. a fixing frame; 7. a rotating rod; 8. a gear; 9. a through groove; 10. a rack; 11. a limit groove; 12. a positioning mechanism; 1201. a mounting groove; 1202. a spring; 1203. spring beans; 1204. positioning holes; 13. a turntable; 14. connecting sleeves; 15. a fixed rod; 16. a connecting lug; 17. a screw; 18. a mounting frame; 19. abutting blocks; 20. and (5) a bolt.
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.
Referring to fig. 1-3, one embodiment provided by the present utility model is: the utility model provides a prefabricated stairway mouth safety protection device, including stand 1 and stand two 2, the equal fixedly connected with link 3 of adjacent side of stand 1 and stand two 2, the inside of one of them link 3 is provided with connecting cylinder 4, the inside of another connecting cylinder 3 is provided with slide bar 5, the outer wall sliding connection of slide bar 5 is at the inner wall of connecting cylinder 4, outer wall one side fixedly connected with mount 6 of connecting cylinder 4, the inner wall rotation of mount 6 is connected with bull stick 7, the top of bull stick 7 runs through the upper surface of mount 6 and extends to the outside, the top fixedly connected with carousel 13 of bull stick 7, the outer wall middle part fixedly connected with gear 8 of bull stick 7, gear 8 meshes with rack 10, one side fixedly connected with of rack 10 is at the inner wall of spacing groove 11, the outer wall one side of slide bar 5 is seted up to spacing groove 11, the upper surface one side of slide bar 5 is provided with positioning mechanism 12, through the back of stand 1 installation, thereby make 5 and connecting cylinder 4 carry out angular adjustment in connecting cylinder 3 internal pressure bullet 1203, make in the bullet positioning hole 1204, then carousel 13 drive gear 8, thereby can drive gear 8 and then can drive the rack 8 and can be installed with slide bar 10 at two, thereby can be adjusted the side-up with the slide bar 2, and can be installed with the slide bar 2 according to the side of the slide bar, thereby setting up device, and can be adjusted to the side of the slide bar is installed.
The positioning mechanism 12 comprises a mounting groove 1201, the mounting groove 1201 is arranged on one side of the upper surface of the slide bar 5, a spring 1202 is fixedly connected to the lower surface of the inside of the mounting groove 1201, a bean 1203 is fixedly connected to the top end of the spring 1202, the outer wall of the bean 1203 is slidably connected to the inner wall of the positioning hole 1204, the positioning hole 1204 is arranged on the upper surface of the connecting cylinder 4, the bean 1203 is retracted into the positioning hole 1204 by inward pressing the bean 1203, the bean 1203 is driven to move when the slide bar 5 slides, the bean 1203 is clamped into the positioning hole 1204 under the reaction force of the spring 1202 when the bean 1203 moves to the position of the positioning hole 1204, thereby the slide bar 5 and the connecting cylinder 4 can be positioned, one side of the gear 8 is arranged in the through groove 9, the through groove 9 is arranged on one side of the outer wall of the connecting cylinder 4, one ends of the connecting cylinder 4 and the slide bar 5 are fixedly connected with a connecting sleeve 14, the inner wall of the connecting sleeve 14 is embedded with a fixing rod 15, both ends of the fixing rod 15 are fixedly connected to the inner wall of the connecting frame 3, the connecting sleeve 14 is made of elastic materials, the connecting sleeve 14 is clamped into the fixing rod 15, when the angle adjustment of the sliding rod 5 and the connecting cylinder 4 is needed, the connecting sleeve 14 can rotate on the outer wall of the fixing rod 15 by moving the second upright post 2 upwards or downwards, the two sides of the opening of the connecting sleeve 14 are fixedly connected with connecting lugs 16, the two sides of the surface of the connecting lugs 16 are connected with screw rods 17 in a threaded manner, after the upright posts are adjusted, the screw rods 17 are screwed into the connecting lugs 16, so that the sliding rod 5 and the connecting cylinder 4 are conveniently installed on the first upright post 1 and the second upright post 2, the bottom ends of the first upright post 1 and the second upright post 2 are fixedly connected with a mounting frame 18, the lower surface of the mounting frame 18 is rotationally connected with bolts 20, one ends of the bolts 20 penetrate the upper surface of the mounting frame 18 and extend to the outside, the inside of mounting bracket 18 is provided with supports piece 19, and the surface one side threaded connection of supporting piece 19 is at the outer wall of bolt 20, through the mounting bracket 18 card with stand 1 and stand two 2 lower surfaces on the step below the stair, then twists the bolt 20 and drives and support piece 19 and upwards remove to make support piece 19 support the lower surface at the ladder, locating hole 1204 is provided with a plurality of, and a plurality of locating hole 1204 equidistance is arranged at the upper surface of connecting cylinder 4.
Working principle: when the device is required to be used, the mounting frame 18 on the lower surface of the first upright post 1 is clamped on a step below a stair, then the second upright post 2 is pulled according to the angle of the stair, so that the sliding rod 5 and the connecting cylinder 4 rotate on the fixed rod 15 through the connecting sleeve 14 for angle adjustment, according to the number of different steps of the stair, the elastic beans 1203 are retracted into the positioning holes 1204 by inwards pressing the elastic beans 1203, then the rotating disc 13 drives the rotating rod 7 to rotate, and then the gear 8 is driven to rotate, so that the rack 10 moves on the gear 8, and then the sliding rod 5 can be driven to slide out of the connecting cylinder 4, then the mounting frame 18 on the lower surface of the second upright post 2 is clamped on the step above the stair, and finally the bolt 20 is screwed to drive the abutting block 19 to move upwards, so that the abutting block 19 abuts against the lower surface of the stair.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides a prefabricated stairway entrance safety device, includes stand one (1) and stand two (2), its characterized in that: the utility model discloses a stand, including stand two (2) and stand, stand one (1) and stand two (2) adjacent side equal fixedly connected with link (3), one of them the inside of link (3) is provided with connecting cylinder (4), another the inside of link (3) is provided with slide bar (5), the outer wall sliding connection of slide bar (5) is at the inner wall of connecting cylinder (4), outer wall one side fixedly connected with mount (6) of connecting cylinder (4), the inner wall rotation of mount (6) is connected with bull stick (7), the upper surface of mount (6) is run through on top of bull stick (7) and is extended to outside, the top fixedly connected with carousel (13) of bull stick (7), the outer wall middle part fixedly connected with gear (8) of bull stick (7), gear (8) mesh with rack (10), one side fixed connection of rack (10) is in the inner wall of spacing groove (11), spacing groove (11) are seted up on one side of the outer wall of slide bar (5), upper surface one side of slide bar (5) is provided with positioning mechanism (12).
2. A prefabricated stairway opening safety arrangement according to claim 1, characterised in that: positioning mechanism (12) are including mounting groove (1201), mounting groove (1201) are seted up in upper surface one side of slide bar (5), the inside lower surface fixedly connected with spring (1202) of mounting groove (1201), the top fixedly connected with bullet beans (1203) of spring (1202), the outer wall sliding connection of bullet beans (1203) is at the inner wall of locating hole (1204), the upper surface at connecting cylinder (4) is seted up in locating hole (1204).
3. A prefabricated stairway opening safety arrangement according to claim 1, characterised in that: one side of the gear (8) is arranged in the through groove (9), and the through groove (9) is arranged on one side of the outer wall of the connecting cylinder (4).
4. A prefabricated stairway opening safety arrangement according to claim 1, characterised in that: connecting sleeve (14) is fixedly connected to one end of connecting cylinder (4) and one end of sliding rod (5), dead lever (15) is inlayed to the inner wall of connecting sleeve (14), the inner wall at link (3) is all fixedly connected to the both ends of dead lever (15).
5. The prefabricated stairway opening safety device according to claim 4, wherein: the two sides of the opening of the connecting sleeve (14) are fixedly connected with connecting lugs (16), and the two sides of the surface of the connecting lugs (16) are in threaded connection with screw rods (17).
6. A prefabricated stairway opening safety arrangement according to claim 1, characterised in that: the novel lifting device comprises a first upright (1) and a second upright (2), wherein the bottom ends of the first upright and the second upright are fixedly connected with a mounting frame (18), the lower surface of the mounting frame (18) is rotationally connected with a bolt (20), one end of the bolt (20) penetrates through the upper surface of the mounting frame (18) and extends to the outside, a supporting block (19) is arranged in the mounting frame (18), and one side of the surface of the supporting block (19) is in threaded connection with the outer wall of the bolt (20).
7. A prefabricated stairway opening safety arrangement according to claim 2, characterised in that: the positioning holes (1204) are formed in a plurality of positions, and the positioning holes (1204) are equidistantly arranged on the upper surface of the connecting cylinder (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321995488.7U CN220539281U (en) | 2023-07-27 | 2023-07-27 | Safety protection device for prefabricated stairway opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321995488.7U CN220539281U (en) | 2023-07-27 | 2023-07-27 | Safety protection device for prefabricated stairway opening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220539281U true CN220539281U (en) | 2024-02-27 |
Family
ID=89975281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321995488.7U Active CN220539281U (en) | 2023-07-27 | 2023-07-27 | Safety protection device for prefabricated stairway opening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220539281U (en) |
-
2023
- 2023-07-27 CN CN202321995488.7U patent/CN220539281U/en active Active
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