CN212078477U

CN212078477U - Assembled stair structure

Info

Publication number: CN212078477U
Application number: CN202020327795.8U
Authority: CN
Inventors: 王三贵; 葛栋; 崔驰
Original assignee: Xi'an Chuyuan Construction Engineering Co ltd
Current assignee: Xi'an Chuyuan Construction Engineering Co ltd
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-12-04
Anticipated expiration: 2030-03-16

Abstract

The utility model relates to an assembled stair structure, which comprises an upper stair beam, a lower stair beam and a stair section plate connected and arranged between the upper stair beam and the lower stair beam; a first mounting device is arranged between the upper ladder beam and the ladder section plates, and a second mounting device with the same structure as the first mounting device is arranged between the lower ladder beam and the ladder section plates; the first mounting device comprises a plurality of groups of positioning assemblies arranged between the upper ladder beam and the ladder section plates and a plurality of groups of fixing mechanisms arranged between the upper ladder beam and the ladder section plates and used for fixedly connecting the upper ladder beam and the ladder section plates; each group of positioning assemblies comprises a groove prefabricated at the top of the upper ladder beam and a hemispherical block prefabricated at the bottom of the ladder section plate; the hemispherical block is matched with the groove. The utility model discloses a set up installation device, be convenient for assemble stair.

Description

Assembled stair structure

Technical Field

The utility model belongs to the technical field of the stair technique and specifically relates to an assembled stair structure is related to.

Background

Staircases (tair, tairway) are a kind of architectural design for connecting large vertical distances, used for traffic connection between floors and when the height difference is large.

During assembly type structure stair bench board is connected with the ladder beam, the current way is that pre-buried reinforcing bar on the ladder beam, reserves the hole on the bench board, during hoist and mount, reserves reinforcing bar and hole one-to-one, then secondary grout is fixed again.

The above prior art solutions have the following drawbacks: in the actual construction, often reserve the reinforcing bar and can not the one-to-one with the preformed hole, often need manually to pull in the construction and reserve the reinforcing bar and realize reserving the reinforcing bar and counterpoint with the preformed hole, inconvenient assembly stair like this.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an assembled stair structure, it is convenient for assemble stair through setting up installation device.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

an assembled stair structure comprises an upper stair beam, a lower stair beam and a stair section plate connected and arranged between the upper stair beam and the lower stair beam; a first mounting device is arranged between the upper ladder beam and the ladder section plates, and a second mounting device with the same structure as the first mounting device is arranged between the lower ladder beam and the ladder section plates; the first mounting device comprises a plurality of groups of positioning assemblies arranged between the upper ladder beam and the ladder section plates and a plurality of groups of fixing mechanisms arranged between the upper ladder beam and the ladder section plates and used for fixedly connecting the upper ladder beam and the ladder section plates; each group of positioning assemblies comprises a groove prefabricated at the top of the upper ladder beam and a hemispherical block prefabricated at the bottom of the ladder section plate; the hemispherical block is matched with the groove.

By adopting the technical scheme, the hemispherical block is inserted into the groove by hanging the stair section plate, and then the upper stair beam is fixedly connected with the stair section plate through the fixing mechanism, so that the connection of the upper stair beam and the stair section plate can be completed, and the connection of the lower stair beam and the stair section plate is the same as the connection of the upper stair beam and the stair section plate, so that the assembly of the stair can be completed; because the hemisphere block is convenient for with the recess grafting, so be convenient for assemble the stair.

The present invention may be further configured in a preferred embodiment as: each group of fixing mechanisms comprises a mounting hole prefabricated at the top of the upper ladder beam, a through hole prefabricated on the ladder section plate, a connecting pipe in threaded connection with the through hole and a rotating assembly detachably connected to the top of the connecting pipe and used for driving the connecting pipe to rotate; the lateral wall of connecting pipe has seted up a plurality of perforation in proper order along its circumference, every slide along the radial of connecting pipe in the perforation and be connected with the stopper, correspond the reset component that is used for making the stopper reset is installed at the lateral wall of connecting pipe to the stopper, install the drive assembly who is used for driving a plurality of stoppers to remove outside the connecting pipe in the connecting pipe, the inner wall prefabrication of mounting hole has the annular groove, every the stopper is all pegged graft in the annular groove.

By adopting the technical scheme, the connecting pipe is driven to rotate by the rotating assembly, so that the connecting pipe can be inserted into the mounting hole, and then the limiting block is driven by the driving assembly to be inserted into the annular groove, so that the connecting pipe can be limited, and the upper ladder beam can be fixedly connected with the ladder section plate; through setting up fixed establishment, be convenient for make ladder beam and bench board fixed connection.

The present invention may be further configured in a preferred embodiment as: the top of the connecting pipe is fixedly connected with a supporting block, and the rotating assembly comprises a hand wheel, a first connecting rod fixedly connected to one end of the hand wheel, a second connecting rod fixedly connected to one end of the first connecting rod, which is far away from the hand wheel, and two inserting rods fixedly connected to two ends of one side, which is far away from the first connecting rod, of the second connecting rod respectively; slots are respectively formed in two ends of the supporting block, and the two inserting rods are respectively inserted into the two slots.

By adopting the technical scheme, the insertion rod is inserted into the insertion groove by moving the hand wheel, and then the connecting pipe is rotated by rotating the hand wheel; through setting up rotating assembly, be convenient for drive connecting pipe rotates.

The present invention may be further configured in a preferred embodiment as: the driving assembly comprises a screw rod rotationally connected to the supporting plate and a driving block in threaded connection with the screw rod; and a matching assembly for driving the limiting block to move is arranged between each limiting block and the driving block, and a guide assembly for guiding the driving block is arranged in the connecting pipe.

By adopting the technical scheme, the driving block is moved towards the direction close to the limiting block by rotating the screw rod, and then the driving block drives the limiting block to move towards the outside of the connecting pipe under the action of the matching component; through setting up drive assembly, be convenient for drive spacing block and remove.

The present invention may be further configured in a preferred embodiment as: the matching assembly comprises two inclined planes which are respectively arranged between the driving block and the limiting block, and the two inclined planes are matched.

Through adopting above-mentioned technical scheme, through setting up the inclined plane, the drive block drive stop block of being convenient for removes.

The present invention may be further configured in a preferred embodiment as: the guide assembly comprises a sleeve fixedly connected to the inner wall of one end, far away from the supporting block, of the connecting pipe and a first guide rod fixedly connected to one side, far away from the supporting block, of the driving block; the first guide rod is connected to the inner cavity of the sleeve in a sliding mode along the axial direction of the connecting pipe.

Through adopting above-mentioned technical scheme, telescopic inner chamber has the guide effect to first guide arm to can reduce the drive block and take place the possibility of deviating in the axial of following the connecting pipe in-process that slides.

The present invention may be further configured in a preferred embodiment as: the reset assembly comprises a sliding sleeve fixedly connected to one side of the limiting block, a second guide rod fixedly connected to the inner wall of the connecting pipe and a spring sleeved on the second guide rod; the sliding sleeve is connected to the second guide rod in a sliding manner along the radial direction of the connecting pipe; and two ends of the spring are respectively and fixedly connected with the sliding sleeve and the connecting pipe.

By adopting the technical scheme, the limiting block moves towards the outside of the connecting pipe to drive the sliding sleeve to move, the sliding sleeve moves to press the spring, and the spring is in a compressed state at the moment; when the driving block moves towards the direction far away from the limiting block, the sliding sleeve drives the limiting block to reset under the action of the spring; through setting up the subassembly that resets, be convenient for reset the stopper to when the bench board need be returned, be convenient for dismantle the bench board.

The present invention may be further configured in a preferred embodiment as: the top of the through hole is provided with a sinking groove, and the sinking groove is fixedly connected with a sealing cover through a countersunk head bolt.

Through adopting above-mentioned technical scheme, through setting up sealed lid, be convenient for seal the through-hole, can reduce in debris entering through-hole on the one hand, on the other hand can prevent other people to rotate the screw rod by mistake.

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

1. firstly, the hemispherical block is inserted into the groove by hanging the stair section plate, and then the upper stair beam is fixedly connected with the stair section plate through the fixing mechanism, so that the connection of the upper stair beam and the stair section plate can be completed, the connection of the lower stair beam and the stair section plate is the same as the connection of the upper stair beam and the stair section plate, and the assembly of the stair can be completed; the hemispherical block is convenient to be inserted into the groove, so that the stair is convenient to assemble;

2. the connecting pipe is driven to rotate by the rotating assembly, so that the connecting pipe can be inserted into the mounting hole, and then the limiting block is driven by the driving assembly to be inserted into the annular groove, so that the connecting pipe can be limited, and the upper ladder beam can be fixedly connected with the ladder section plate; the upper ladder beam is conveniently and fixedly connected with the ladder section plate by arranging the fixing mechanism;

3. through setting up sealed lid, be convenient for seal the through-hole, can reduce in the debris gets into the through-hole on the one hand, on the other hand can prevent other people to rotate the screw rod by mistake.

Drawings

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

FIG. 2 is a partial cross-sectional view of a highlighted positioning assembly of an embodiment;

FIG. 3 is a partial cross-sectional view of a highlighted securing mechanism of an embodiment;

FIG. 4 is a schematic view showing the structure of a rotary member in the embodiment;

fig. 5 is a partially enlarged view of a portion a in fig. 3.

In the figure, 1, a ladder beam is lifted; 2. descending the ladder beam; 3. a bench plate; 4. a first mounting device; 41. a positioning assembly; 411. a groove; 412. a hemispherical block; 5. a fixing mechanism; 51. mounting holes; 511. an annular groove; 52. a through hole; 521. sinking a groove; 522. a sealing cover; 53. a connecting pipe; 531. perforating; 532. a support block; 54. a limiting block; 55. a rotating assembly; 551. a hand wheel; 552. a first connecting rod; 553. a second connecting rod; 554. inserting a rod; 555. a slot; 56. a drive assembly; 561. a screw; 562. a drive block; 563. a bevel; 57. a guide assembly; 571. a sleeve; 572. a first guide bar; 58. a reset assembly; 581. a sliding sleeve; 582. a second guide bar; 583. a spring.

Detailed Description

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

As shown in fig. 1, the assembled stair structure disclosed by the present invention comprises an upper stair beam 1, a lower stair beam 2 and a stair section plate 3 connected and arranged between the upper stair beam 1 and the lower stair beam 2; go up and be provided with first installation device 4 between ladder roof beam 1 and the bench board 3, be provided with the second installation device the same with first installation device 4 structure between ladder roof beam 2 and the bench board 3 down, here carries out the detailed description to the structure of first installation device 4, just no longer has explained the structure of second installation device repeatedly.

As shown in fig. 1 and 2, the first mounting device 4 includes a plurality of sets of positioning assemblies 41 disposed between the ascending beam 1 and the stair treads 3, and a plurality of sets of fixing mechanisms 5 disposed between the ascending beam 1 and the stair treads 3 for fixedly connecting the ascending beam 1 and the stair treads 3; each group of positioning components 41 comprises a groove 411 prefabricated at the top of the upper ladder beam 1 and a hemispherical block 412 prefabricated at the bottom of the ladder section plate 3; hemispherical block 412 mates with recess 411. Firstly, the hemispherical block 412 is inserted into the groove 411 by hanging the stair section plate 3, and then the upper stair beam 1 is fixedly connected with the stair section plate 3 through the fixing mechanism 5, so that the connection of the upper stair beam 1 and the stair section plate 3 can be completed, the connection of the lower stair beam 2 and the stair section plate 3 is the same as the connection of the upper stair beam 1 and the stair section plate 3, and the assembly of the stair can be completed; since the hemispherical block 412 is easily inserted into the groove 411, it is easy to assemble the staircase.

As shown in fig. 3 and 4, each set of fixing mechanisms 5 comprises a mounting hole 51 prefabricated at the top of the upper ladder beam 1, a through hole 52 prefabricated at the ladder section plate 3, a connecting pipe 53 screwed to the through hole 52, and a rotating assembly 55 detachably connected to the top of the connecting pipe 53 for driving the connecting pipe 53 to rotate; the top of the through hole 52 is provided with a sinking groove 521, and the sinking groove 521 is fixedly connected with a sealing cover 522 through a countersunk head bolt; the lateral wall of connecting pipe 53 has seted up a plurality of perforation 531 in proper order along its circumference, and it is connected with stopper 54 to slide along connecting pipe 53's radial in every perforation 531, corresponds stopper 54 and installs the subassembly 58 that resets that is used for making stopper 54 reset at the lateral wall of connecting pipe 53, installs the drive assembly 56 that is used for driving a plurality of stoppers 54 to move outside connecting pipe 53 in the connecting pipe 53, and the inner wall of mounting hole 51 is prefabricated has annular groove 511, and every stopper 54 all pegs graft in annular groove 511. The connecting pipe 53 is driven to rotate by the rotating component 55, so that the connecting pipe 53 can be inserted into the mounting hole 51, and then the limiting block 54 is driven by the driving component 56 to be inserted into the annular groove 511, so that the connecting pipe 53 can be limited, and the upper ladder beam 1 and the ladder section plate 3 can be fixedly connected; through setting up fixed establishment 5, be convenient for make ladder beam 1 and bench board 3 fixed connection.

A supporting block 532 is fixedly connected to the top of the connecting pipe 53, and the rotating assembly 55 includes a hand wheel 551, a first connecting rod 552 fixedly connected to an end of the hand wheel 551, a second connecting rod 553 fixedly connected to an end of the first connecting rod 552 away from the hand wheel 551, and two inserting rods 554 fixedly connected to two ends of the second connecting rod 553 at a side away from the first connecting rod 552; two ends of the supporting block 532 are respectively provided with a slot 555, and the two insert rods 554 are respectively inserted into the two slots 555. The insertion rod 554 is inserted into the insertion groove 555 by moving the hand wheel 551, and then the connecting pipe 53 is rotated by rotating the hand wheel 551; by arranging the rotating assembly 55, the connecting pipe 53 is driven to rotate conveniently.

The driving assembly 56 includes a screw 561 rotatably connected to the support plate through a bearing and a driving block 562 threadedly connected to the screw 561; a matching component for driving the limiting block 54 to move is arranged between each limiting block 54 and the driving block 562, the matching component comprises two inclined planes 563 which are respectively arranged between the driving block 562 and the limiting blocks 54, and the two inclined planes 563 are matched; a guide component 57 for guiding the driving block 562 is installed in the connecting pipe 53, and the guide component 57 comprises a sleeve 571 fixedly connected to the inner wall of one end of the connecting pipe 53 far away from the supporting block 532 and a first guide rod 572 fixedly connected to one side of the driving block 562 far away from the supporting block 532; the first guide rod 572 is slidably connected to the inner cavity of the sleeve 571 along the axial direction of the connecting tube 53. The screw 561 is rotated to move the driving block 562 towards the direction close to the limiting block 54, and then the driving block 562 drives the limiting block 54 to move towards the outside of the connecting pipe 53 under the action of the inclined surface 563; the driving assembly 56 is provided to facilitate the movement of the driving stopper 54.

As shown in fig. 3 and 5, the restoring assembly 58 includes a sliding sleeve 581 fixedly connected to one side of the stopper 54, a second guide rod 582 fixedly connected to the inner wall of the connecting tube 53, and a spring 583 sleeved on the second guide rod 582; the sliding sleeve 581 is connected to the second guide rod 582 in a sliding manner along the radial direction of the connecting pipe 53; two ends of the spring 583 are respectively fixed to the sliding sleeve 581 and the connecting tube 53. The limiting block 54 moves towards the outside of the connecting pipe 53 to drive the sliding sleeve 581 to move, the sliding sleeve 581 moves to press the spring 583, and the spring 583 is in a compressed state at the moment; when the driving block 562 moves away from the stopper 54, the sliding sleeve 581 drives the stopper 54 to return under the action of the spring 583; through setting up reset assembly 58, be convenient for reset stopper 54 to when the bench board 3 need return man-hour, be convenient for dismantle bench board 3.

The implementation principle of the embodiment is as follows: firstly, the hemispherical blocks 412 are inserted into the grooves 411 by hanging the stepped plate 3, then the insertion rods 554 are inserted into the insertion grooves 555 by moving the hand wheel 551, and then the connecting pipe 53 is rotated by rotating the hand wheel 551, so that the connecting pipe 53 is inserted into the mounting hole 51; then, the screw 561 is rotated to move the driving block 562 to a direction close to the limiting block 54, and at this time, the driving block 562 drives the limiting block 54 to be inserted into the annular groove 511 under the action of the inclined surface 563, so that the connecting pipe 53 can be limited, and therefore the ascending beam 1, the stair flight 3 and the descending beam 2 can be fixedly connected through the stair flight 3, and thus the stair can be assembled.

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. An assembled stair structure which is characterized in that: comprises an upper ladder beam (1), a lower ladder beam (2) and a ladder section plate (3) which is connected and arranged between the upper ladder beam (1) and the lower ladder beam (2); a first mounting device (4) is arranged between the upper ladder beam (1) and the ladder section plates (3), and a second mounting device with the same structure as the first mounting device (4) is arranged between the lower ladder beam (2) and the ladder section plates (3);

the first mounting device (4) comprises a plurality of groups of positioning assemblies (41) arranged between the upper ladder beam (1) and the ladder section plates (3) and a plurality of groups of fixing mechanisms (5) arranged between the upper ladder beam (1) and the ladder section plates (3) and used for fixedly connecting the upper ladder beam (1) and the ladder section plates (3); each group of positioning assemblies (41) comprises a groove (411) prefabricated at the top of the upper ladder beam (1) and a hemispherical block (412) prefabricated at the bottom of the ladder section plate (3); the hemispherical block (412) is matched with the groove (411).

2. The fabricated stair structure of claim 1, wherein: each group of fixing mechanisms (5) comprises mounting holes (51) prefabricated at the top of the upper ladder beam (1), through holes (52) prefabricated in the ladder section plates (3), connecting pipes (53) in threaded connection with the through holes (52) and rotating assemblies (55) detachably connected to the tops of the connecting pipes (53) and used for driving the connecting pipes (53) to rotate; the lateral wall of connecting pipe (53) has seted up a plurality of perforation (531) in proper order along its circumference, every it is connected with stopper (54) to slide along the radial of connecting pipe (53) in perforation (531), corresponds stopper (54) are installed at the lateral wall of connecting pipe (53) and are used for making reset assembly (58) that stopper (54) reset, install in connecting pipe (53) and be used for driving drive assembly (56) that a plurality of stoppers (54) removed outside connecting pipe (53), the inner wall of mounting hole (51) is prefabricated has annular groove (511), every stopper (54) all pegs graft in annular groove (511).

3. The fabricated stair structure of claim 2, wherein: the top of the connecting pipe (53) is fixedly connected with a supporting block (532), the rotating assembly (55) comprises a hand wheel (551), a first connecting rod (552) fixedly connected to one end of the hand wheel (551), a second connecting rod (553) fixedly connected to one end, far away from the hand wheel (551), of the first connecting rod (552), and two insert rods (554) respectively fixedly connected to two ends of one side, far away from the first connecting rod (552), of the second connecting rod (553); slots (555) are respectively formed in two ends of the supporting block (532), and the two inserting rods (554) are respectively inserted into the two slots (555).

4. The fabricated stair structure of claim 3, wherein: the driving assembly (56) comprises a screw rod (561) rotatably connected to the supporting plate and a driving block (562) in threaded connection with the screw rod (561); a matching assembly for driving the limiting block (54) to move is arranged between each limiting block (54) and the driving block (562), and a guide assembly (57) for guiding the driving block (562) is installed in the connecting pipe (53).

5. The fabricated stair structure of claim 4, wherein: the matching assembly comprises two inclined planes (563) which are respectively arranged between the driving block (562) and the limiting block (54), and the two inclined planes (563) are matched.

6. The fabricated stair structure of claim 5, wherein: the guide assembly (57) comprises a sleeve (571) fixedly connected to the inner wall of one end, far away from the supporting block (532), of the connecting pipe (53) and a first guide rod (572) fixedly connected to one side, far away from the supporting block (532), of the driving block (562); the first guide rod (572) is connected to the inner cavity of the sleeve (571) in a sliding manner along the axial direction of the connecting pipe (53).

7. The fabricated stair structure of claim 2, wherein: the resetting component (58) comprises a sliding sleeve (581) fixedly connected to one side of the limiting block (54), a second guide rod (582) fixedly connected to the inner wall of the connecting pipe (53) and a spring (583) sleeved on the second guide rod (582); the sliding sleeve (581) is connected to the second guide rod (582) in a sliding manner along the radial direction of the connecting pipe (53); two ends of the spring (583) are respectively and fixedly connected with the sliding sleeve (581) and the connecting pipe (53).

8. The fabricated stair structure of claim 2, wherein: a sunk groove (521) is formed in the top of the through hole (52), and a sealing cover (522) is fixedly connected to the sunk groove (521) through a sunk bolt.