CN218492906U

CN218492906U - Device for installing rotary stairs

Info

Publication number: CN218492906U
Application number: CN202222690988.1U
Authority: CN
Inventors: 周兴官
Original assignee: Fujian Chenxi Architectural Decoration Engineering Co ltd
Current assignee: Fujian Chenxi Architectural Decoration Engineering Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-02-17
Anticipated expiration: 2032-10-13

Abstract

The utility model discloses a device of rotatory stair installation, include with rotatory stair matched with multiunit mounting structure, rotatory stair include that location axle and movable sleeve establish the epaxial a plurality of footboards in location, mounting structure includes the backup pad that fixed connection set up in footboard bottom and slope, and the right side fixedly connected with installation piece of backup pad, backup pad are used for supporting the bottom of footboard, and a plurality of first draw-in grooves have been seted up in the right side of installation piece and the equal fixedly connected with first fixture block in right side of footboard, the outside of location axle, and first fixture block activity card dress is in the first draw-in groove that corresponds. The utility model discloses a setting of backup pad and supporting shoe can support the bottom of footboard, improves the support stability after the footboard installation, clamps the setting of mechanism and pulling mechanism through elasticity, can carry out the dismouting to the footboard fast through the mode of simple pulling, improves the installation effectiveness, provides convenience for subsequent maintenance operation.

Description

Device for installing rotary stairs

Technical Field

The utility model relates to a rotatory stair installation technical field especially relates to a device of rotatory stair installation.

Background

The spiral stair is generally called as a spiral stair or a spiral stair and is generally arranged around a single column, the spiral stair or the spiral stair is popular due to the fact that the streamline is attractive and elegant, space is saved, the installation efficiency is low and follow-up maintenance is troublesome in the existing installation mode of the pedals on the spiral stair, the installed pedals are usually installed and fixed through the working procedures of multiple bolt matching or welding and the like, in addition, the bottoms of the installed pedals are in an up-and-down suspension state, the supporting stability is low, and the situation is integrated, so that the spiral stair installation device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a device for installing a spiral stair.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a device for installing a spiral stair comprises a plurality of groups of installation structures matched with the spiral stair, the spiral stair comprises a positioning shaft and a plurality of pedals movably sleeved on the positioning shaft, each installation structure comprises a support plate fixedly connected to the bottom of each pedal and obliquely arranged, the right side of each support plate is fixedly connected with an installation block, each support plate is used for supporting the bottom of each pedal, the right side of each installation block and the right side of each pedal are fixedly connected with a first fixture block, a plurality of first clamping grooves are formed in the outer sides of the positioning shafts, the first fixture blocks are movably clamped in the corresponding first clamping grooves, the first fixture blocks have a limiting effect on the installation blocks and the pedals, the right sides of the installation blocks are fixedly connected with second fixture blocks, the positioning shafts are movably sleeved on the plurality of second fixture blocks, and the inner walls of the tops of the first clamping grooves are provided with second clamping grooves, the elastic clamping mechanism is movably clamped in the second clamping groove, a first groove is formed in the left side of the first clamping block, the bottom of the elastic clamping mechanism extends into the corresponding first groove, the elastic clamping mechanism is arranged and used for limiting the first clamping block in the left-right direction, so that the left-right limiting of the installation block and the pedal is realized, a second groove is formed in the right side of the pedal, a third groove with the top and the bottom being respectively provided with an opening is formed in the right side of the installation block, the left ends of the two elastic clamping mechanisms on the same group of installation structures respectively extend into the corresponding second groove and the corresponding third groove, the same pulling mechanism is arranged in the second groove and the corresponding third groove, the pulling mechanism is fixedly connected with the two corresponding elastic clamping mechanisms, and the pulling mechanism is used for driving the two corresponding elastic clamping mechanisms to move.

Preferably, the elastic clamping mechanism comprises a third clamping block movably clamped in the second clamping groove, the bottom of the third clamping block extends into the corresponding first groove and is fixedly connected with a moving rod, a positioning rod is fixedly connected between the inner wall of the top of the first groove and the inner wall of the bottom of the first groove, the moving rod is sleeved on the corresponding positioning rod in a sliding mode, the positioning rod plays a role in positioning the moving rod up and down, a spring is fixedly connected between the bottom of the moving rod and the inner wall of the bottom of the corresponding first groove, and the left ends of the two moving rods on the same group of mounting structures respectively extend into the corresponding second groove and the corresponding third groove.

Preferably, the pulling mechanism comprises a pull rod, the pull rod is located in the corresponding second groove and the third groove, one side, close to each other, of the two moving rods on the same group of mounting structures is fixedly connected with the top end and the bottom end of the pull rod respectively, the bottom of the moving rod below the two moving rods on the same group of mounting structures is fixedly connected with a pull ring, and the bottom of the pull ring extends to the lower side of the corresponding mounting block.

Preferably, a plurality of locating grooves are formed in the outer side of the locating shaft, and the inner walls of the locating grooves are in movable contact with the outer sides of the corresponding second clamping blocks.

Preferably, the bottom fixedly connected with supporting shoe of installation piece, the bottom that is located the supporting shoe of below and the bottom parallel and level of location axle, the bottom that is located the supporting shoe of top and the top movable contact of the footboard that corresponds, the supporting shoe plays further support to the installation piece, cooperates the setting of backup pad simultaneously, supports the bottom of footboard.

Preferably, the top of the movable rod is provided with a positioning hole, and the inner wall of the positioning hole is in sliding connection with the outer side of the corresponding positioning rod.

Preferably, a rectangular through hole is formed in the inner wall of the bottom of the second groove, the inner wall of the rectangular through hole is in sliding connection with the outer side of the corresponding pull rod, and the front side and the rear side of the pull rod are in sliding connection with the inner wall of the front side and the inner wall of the rear side of the third groove respectively.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the bottom of the pedal can be supported by matching the supporting plate, the mounting block and the supporting block, so that the supporting stability of the pedal after mounting is improved;

2. the pedal can be quickly disassembled and assembled in a simple pulling mode by matching the first clamping block, the second clamping block, the elastic clamping mechanism and the pulling mechanism, so that the installation efficiency is improved, and convenience is provided for subsequent maintenance operation;

the utility model discloses a setting of backup pad and supporting shoe can support the bottom of footboard, improves the support stability after the footboard installation, clamps the setting of mechanism and pulling mechanism through elasticity, can carry out the dismouting to the footboard fast through the mode of simple pulling, improves the installation effectiveness, provides convenience for subsequent maintenance operation.

Drawings

Fig. 1 is a schematic structural view of a device for installing a spiral staircase according to the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

fig. 4 is a schematic top view of the tread of the device for installing a spiral staircase according to the present invention.

In the figure: 100. positioning the shaft; 101. a pedal; 1. a support plate; 2. mounting blocks; 3. a support block; 4. a first card slot; 5. a first clamping block; 6. a second fixture block; 7. a second card slot; 8. a third fixture block; 9. a first groove; 10. a travel bar; 11. positioning a rod; 12. a spring; 13. a second groove; 14. a pull rod; 15. a third groove; 16. and (4) a pull ring.

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.

Referring to fig. 1-4, a device for installing a spiral stair comprises a plurality of sets of installation structures matched with the spiral stair, the spiral stair comprises a positioning shaft 100 and a plurality of pedals 101 movably sleeved on the positioning shaft 100, each installation structure comprises a support plate 1 fixedly connected to the bottom of each pedal 101 and obliquely arranged, the right side of each support plate 1 is fixedly connected with an installation block 2, the bottom of each installation block 2 is fixedly connected with a support block 3, the bottom of the support block 3 positioned at the lowest position is flush with the bottom of the positioning shaft 100, the bottom of the support block 3 positioned at the upper position is movably contacted with the top of the corresponding pedal 101, the bottom of each pedal 101 is supported by the cooperation of the support plates 1, the installation blocks 2 and the support blocks 3, the right sides of the installation blocks 2 and the pedal 101 are respectively and fixedly connected with a first fixture block 5, the outer side of the positioning shaft 100 is provided with a plurality of first fixture grooves 4, the first fixture blocks 5 are movably clamped in the corresponding first fixture grooves 4, the right side of the installation blocks 2 is fixedly connected with a second fixture block 6, the positioning shaft 100 is movably sleeved on a plurality of second fixture blocks 6, the outer side of the positioning shaft 100 is provided with a plurality of positioning grooves, the positioning shaft 100, the inner wall of the second fixture blocks 6 is contacted with the outer side of the corresponding second fixture grooves, and further acts as a limiting effect of the second fixture block 6;

a second clamping groove 7 is formed in the inner wall of the top of the first clamping groove 4, an elastic clamping mechanism is movably clamped in the second clamping groove 7, a first groove 9 is formed in the left side of the first clamping block 5, the bottom of the elastic clamping mechanism extends into the corresponding first groove 9, the elastic clamping mechanism comprises a third clamping block 8 movably clamped in the second clamping groove 7, the bottom of the third clamping block 8 extends into the corresponding first groove 9 and is fixedly connected with a moving rod 10, a rectangular hole is formed in the inner wall of the top of the first groove 9, the inner wall of the rectangular hole is in movable contact with the outer side of the corresponding third clamping block 8, a positioning rod 11 is fixedly connected between the inner wall of the top and the inner wall of the bottom of the first groove 9, the moving rod 10 is slidably sleeved on the corresponding positioning rod 11, a positioning hole is formed in the top of the moving rod 10, the inner wall of the positioning hole is slidably connected with the outer side of the corresponding positioning rod 11, the positioning rod 11 has a positioning effect on the moving rod 10, a spring 12 is fixedly connected between the bottom of the moving rod 10 and can be in a compression state when the spring 12 is relaxed, and the moving rod is driven to move to a reset state;

the right side of the pedal 101 is provided with a second groove 13, the right side of the mounting block 2 is provided with a third groove 15 with an opening at the top and the bottom, the left ends of two moving rods 10 on the same group of mounting structures respectively extend into the corresponding second groove 13 and the corresponding third groove 15, the second groove 13 and the corresponding third groove 15 are internally provided with the same pulling mechanism, the pulling mechanism is fixedly connected with the two corresponding moving rods 10, the pulling mechanism comprises a pull rod 14, the pull rod 14 is positioned in the corresponding second groove 13 and the corresponding third groove 15, the bottom inner wall of the second groove 13 is provided with a rectangular perforation, the inner wall of the rectangular perforation is slidably connected with the outer side of the corresponding pull rod 14, the front side and the rear side of the pull rod 14 are slidably connected with the front side inner wall and the rear side inner wall of the third groove 15 respectively, and the rectangular perforation is matched with the third groove 15, play the effect of location to pull rod 14, be located two carriage release lever 10 on same group mounting structure one side that are close to each other respectively with pull rod 14 top and bottom fixed connection, be located the bottom fixedly connected with pull ring 16 of carriage release lever 10 of below in two carriage release lever 10 on the same group mounting structure, the bottom of pull ring 16 extends to the below of corresponding installation piece 2, and pull ring 16 is used for driving carriage release lever 10 of the below that corresponds and moves down, the utility model discloses a setting of backup pad 1 and supporting shoe 3 can support the bottom of footboard 101, improves the support stability after footboard 101 installation, clamps the setting of mechanism and pulling mechanism through elasticity, can carry out the dismouting to footboard 101 fast through the mode of simple pulling, improves the installation effectiveness, provides convenience for subsequent maintenance operation.

The working principle is as follows: when the pedal 101 is used, the pedal 101 is fixed on the positioning shaft 100 and is supported at the bottom of the pedal 101 through the matching of the supporting plate 1, the mounting block 2 and the supporting block 3, so that the supporting stability of the installed pedal 101 is improved, when the pedal 101 needs to be removed for maintenance, the pull ring 16 can be pulled downwards to drive the corresponding lower movable rod 10 to move downwards, the lower movable rod 10 drives the corresponding pull rod 14 to move downwards, the pull rod 14 drives the corresponding upper movable rod 10 to move downwards, the movable rod 10 slides downwards on the corresponding positioning rod 11 and compresses the spring 12, the movable rod 10 drives the corresponding third fixture block 8 to move downwards to be separated from the second fixture groove 7, the fixing of the first fixture block 5 is released, the fixing of the pedal 101 and the mounting block 2 is released, at the moment, the pedal 101 and the mounting block 2 can be moved leftwards to respectively drive the corresponding first fixture block 5 to be separated from the first fixture groove 4, the mounting block 2 also drives the corresponding second fixture block 6 to be separated from the positioning groove, so that the pedal 101 can be removed, and the subsequent maintenance is convenient;

during installation, pull ring 16 is pulled downwards again, so that spring 12 is in a compressed state, pedal 101 is sleeved on positioning shaft 100 rightwards, pedal 101 drives corresponding first fixture block 5 to move into first clamping groove 4, installation block 2 drives corresponding first fixture block 5 to be clamped into first clamping groove 4, then downward pulling force on pull ring 16 is released, at the moment, elastic force of spring 12 in the compressed state drives corresponding movable rod 10 to move upwards, movable rod 10 drives corresponding third fixture block 8 to move into second clamping groove 7, third fixture block 8 is clamped with corresponding second clamping groove 7, so that first fixture block 5 is fixed, pedal 101 and installation block 2 are fixed, installation is completed, pedal 101 is conveniently and quickly disassembled and assembled through a simple pulling mode, installation efficiency is improved, and convenience is provided for subsequent maintenance operation.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific situations.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The device for installing the spiral staircase comprises a plurality of groups of installation structures matched with the spiral staircase, the spiral staircase comprises a positioning shaft (100) and a plurality of pedals (101) which are movably sleeved on the positioning shaft (100), the device is characterized in that each installation structure comprises a support plate (1) which is fixedly connected to the bottom of each pedal (101) and obliquely arranged, a mounting block (2) is fixedly connected to the right side of each support plate (1), first clamping blocks (5) are fixedly connected to the right sides of the mounting blocks (2) and the right sides of the pedals (101), a plurality of first clamping grooves (4) are formed in the outer sides of the positioning shaft (100), each first clamping block (5) is movably clamped in the corresponding first clamping groove (4), a second clamping block (6) is fixedly connected to the right side of each mounting block (2), the positioning shafts (100) are movably sleeved on the plurality of second clamping blocks (6), a second clamping groove (7) is formed in the inner wall of the top of each first clamping groove (4), elastic clamping mechanisms are movably clamped in the second clamping grooves (7), first clamping grooves (9) are formed in the left sides of the first clamping blocks (5), a corresponding opening of each elastic clamping mechanism and a corresponding to the left opening (13) of each mounting structure, and a corresponding third mounting groove (13) are formed in the corresponding to the corresponding mounting block (13), and extend to the corresponding third groove (13), and the corresponding mounting structure, and the corresponding mounting block (13) respectively extending to the third groove (13), and extending into the corresponding third groove (13), and extending into the corresponding third groove (13), and extending groove (13) of each mounting structure, and the corresponding third groove (13) of each mounting structure, and the corresponding mounting structure 15 The second groove (13) and the corresponding third groove (15) are internally provided with the same pulling mechanism which is fixedly connected with the two corresponding elastic clamping mechanisms.

2. The device for installing the spiral staircase according to claim 1, wherein the elastic clamping mechanism comprises a third clamping block (8) movably clamped in the second clamping groove (7), the bottom of the third clamping block (8) extends into the corresponding first groove (9) and is fixedly connected with a moving rod (10), a positioning rod (11) is fixedly connected between the top inner wall and the bottom inner wall of the first groove (9), the moving rod (10) is slidably sleeved on the corresponding positioning rod (11), a spring (12) is fixedly connected between the bottom of the moving rod (10) and the bottom inner wall of the corresponding first groove (9), and the left ends of two moving rods (10) on the same set of mounting structure respectively extend into the corresponding second groove (13) and the third groove (15).

3. A spiral stair installation apparatus according to claim 2, wherein the pulling mechanism comprises a pulling rod (14), the pulling rod (14) is located in the corresponding second groove (13) and third groove (15), one side of the two moving rods (10) located on the same set of installation structures, which is close to each other, is fixedly connected with the top end and the bottom end of the pulling rod (14), respectively, the bottom of the moving rod (10) located in the lower of the two moving rods (10) on the same set of installation structures is fixedly connected with a pulling ring (16), and the bottom of the pulling ring (16) extends to the lower of the corresponding installation block (2).

4. The device for installing the spiral staircase according to claim 1, wherein the positioning shaft (100) is provided with a plurality of positioning grooves on the outer side, and the inner walls of the positioning grooves are movably contacted with the outer sides of the corresponding second clamping blocks (6).

5. A spiral staircase installation device according to claim 1, characterized in that the bottom of the installation block (2) is fixedly connected with a support block (3), the bottom of the support block (3) located at the lowest position is flush with the bottom of the positioning shaft (100), and the bottom of the support block (3) located at the upper position is movably contacted with the top of the corresponding tread (101).

6. A spiral staircase installation device according to claim 2, characterized in that the top of the movable rod (10) is provided with positioning holes, the inner walls of which are slidably connected with the outer sides of the corresponding positioning rods (11).

7. A spiral staircase installation device according to claim 3, characterized in that the inner wall of the bottom of the second slot (13) is provided with a rectangular through hole, the inner wall of the rectangular through hole is slidably connected with the outer side of the corresponding pull rod (14), and the front side and the rear side of the pull rod (14) are slidably connected with the inner wall of the front side and the inner wall of the rear side of the third slot (15), respectively.