CN211733563U

CN211733563U - Step structure convenient to assemble

Info

Publication number: CN211733563U
Application number: CN202020224729.8U
Authority: CN
Inventors: 杨富春; 孙长青; 康宝强; 王峰; 李仙美
Original assignee: Ningbo Changlong Machinery Electronics Co ltd
Current assignee: Ningbo Changlong Machinery Electronics Co ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-10-23
Anticipated expiration: 2030-02-28

Abstract

The utility model relates to a step structure of convenient assembly. The process of current step dismouting back frame is loaded down with trivial details, wastes time and energy. The utility model discloses a support and install kickplate and footboard on the support, be equipped with the back frame between kickplate top edge and footboard trailing edge, the support is including the three corner frames of locating both sides and the crossbeam of cross-over connection between three corner frames top surface rear portions, the footboard trailing edge with form the open slot backward between the crossbeam, back frame inserts slot and rigid coupling forward from the back to make the top surface and the back wall of back frame match with footboard and kickplate respectively and link up. The step is additionally provided with the slot for fixedly connecting the rear frame in an inserting manner, the rear frame can be directly disassembled and assembled on the premise of not disassembling the side frame and the pedal, the disassembling and assembling procedures of the rear frame are effectively simplified, the assembling efficiency is further improved, time and labor are saved, and the maintenance efficiency is improved.

Description

Step structure convenient to assemble

Technical Field

The utility model relates to an elevator field, concretely relates to step structure.

Background

The volume includes support, kickboard and footboard for the current staircase, and the trailing edge and the both sides of footboard are equipped with back frame and side frame respectively, when the installation, need overlap joint the back frame to predetermineeing the station and pass through fastener rigid coupling footboard with presetting, and the side frame is installed to predetermineeing the station and shelters from the fastener that the rigid coupling footboard was used again, and this just has following defect: because the rear frame is a quick-wear part, when the rear frame is damaged and needs to be repaired and replaced, a maintenance worker needs to detach the rear frame after detaching the side frames and the pedals, the assembly process is complicated, time and labor are wasted, and the maintenance efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the deficiencies of the prior art, the utility model provides a step structure of convenient assembly sets up the slot that supplies back frame grafting rigid coupling on the step for but back frame direct dismouting effectively simplifies the assembly process, promotes maintenance efficiency.

The utility model discloses a following mode realizes: a stair structure convenient to assemble comprises a support, and a kick plate and a pedal which are installed on the support, wherein a rear frame is arranged between the top edge of the kick plate and the rear edge of the pedal, the support comprises triangular frames arranged on two sides and a cross beam bridged between the rear portions of the top surfaces of the triangular frames, a slot with an opening facing backwards is formed between the rear edge of the pedal and the cross beam, and the rear frame is inserted into the slot from back to front and is fixedly connected with the slot, so that the top surface and the rear wall of the rear frame are respectively matched and connected with the pedal and the kick plate. The step is additionally provided with the slot for fixedly connecting the rear frame in an inserting manner, the rear frame can be directly disassembled and assembled on the premise of not disassembling the side frame and the pedal, the disassembling and assembling procedures of the rear frame are effectively simplified, the assembling efficiency is further improved, time and labor are saved, and the maintenance efficiency is improved. The slots have a limiting effect on the rear frame, and the rear frame is fixedly connected to a preset station in a preset posture.

Preferably, the bottom of the front wall of the rear frame extends forwards to form a cutting, and after the cutting is installed in place, the cutting is tightly inserted into the slot. The back frame is inserted into the slot through the inserting strip, the slot plays a limiting and guiding role on the inserting strip, the slot wall of the slot realizes the posture limitation on the back frame through tightly clamping the inserting strip, and the back frame can be ensured to be respectively matched and connected with the pedal and the kickplate.

Preferably, the bottom surface of the rear frame is provided with a through hole, and after the rear frame is inserted in place, the fastener penetrates through the through hole from top to bottom and is in threaded connection and locking with the cross beam. The fastener passes through the through hole and is in threaded connection with the cross beam, so that the horizontal limiting and vertical limiting effects are achieved on the fastener, the situation that the inserting strip is separated from the slot is prevented, and the situation that the rear frame is separated from the support is also prevented.

Preferably, the bottom surface of the rear frame is provided with a plurality of weight reduction grooves which are separately arranged and are formed by sinking upwards, and the vertical projections of the through holes and the weight reduction grooves are arranged in a staggered manner. The via hole with subtract heavy groove dislocation set, can effectively increase via hole length, and then promote the positional stability to the back frame through increasing the conflict area between via hole inside wall and fastener lateral wall. The lightening holes can effectively save the consumption of raw materials and reduce the production cost.

Preferably, the rear frame is provided with a plurality of L-shaped ribs which are arranged at equal intervals, and each L-shaped rib comprises an upper rib and a rear rib. The top surface and the back wall uplift of back frame form L shape rib both ensure that the top surface and the back wall of back frame flush with footboard and kickplate respectively and link up, effectively save the raw materials quantity still, reduction in production cost.

Preferably, the top surface of the pedal is provided with a plurality of horizontal ribs which are arranged at equal intervals and run through from front to back, and after the pedal is installed in place, the upper ribs are flush connected with the horizontal ribs. The horizontal ribs correspond to the upper ribs one by one and are positioned on the same straight line, so that the attractiveness and the anti-skid property are improved.

Preferably, the rear wall of the kickplate is provided with a plurality of vertically-arranged ribs which are arranged at equal intervals and vertically run through, and after the kickplate is installed in place, the rear ribs are flush connected with the vertically-arranged ribs. The vertical ribs and the rear ribs correspond to each other one by one and are positioned on the same straight line, so that the attractiveness and the anti-skid property are improved, and the guide effect on relative movement between adjacent steps can be achieved.

Preferably, a connecting rod fixedly connected with the pedal is arranged below the pedal, and when the pedal is installed, the connecting rod is overlapped on the cross beam and fixedly connected through a fastening piece. The footboard passes through the connecting rod rigid coupling on the support, ensures the stable bearing footboard of support, guarantees safe in utilizationly.

Preferably, the connecting rod is Z-shaped, the front edge of the connecting rod is fixedly attached to the bottom surface of the pedal, the rear edge of the connecting rod is fixedly attached to the top surface of the cross beam, and the rear edge of the connecting rod and the bottom surface of the pedal are enclosed to form the slot. The connecting rod plays a role of spacing the pedal and the cross beam and provides an inserting space for the rear frame.

Preferably, the vertical projection of the connecting rod falls into the top surface of the beam, and the rear edge of the bottom surface of the rear frame is bent downwards, so that the bottom edge of the rear wall of the rear frame is jointed with the top edge of the kickplate. The rear edge of the rear frame is bent downwards, so that the connecting rod is shielded, and the vertical ribs are smoothly connected with the rear ribs.

The utility model has the advantages that: the step is additionally provided with the slot for fixedly connecting the rear frame in an inserting manner, the rear frame can be directly disassembled and assembled on the premise of not disassembling the side frame and the pedal, the disassembling and assembling procedures of the rear frame are effectively simplified, the assembling efficiency is further improved, time and labor are saved, and the maintenance efficiency is improved.

Drawings

FIG. 1 is a partial structural view of the step;

FIG. 2 is a schematic view of the rear frame structure;

FIG. 3 is a schematic view of a partial structure of the step with the rim removed;

in the figure: 1. the device comprises a support, 2, a kickplate, 3, a pedal, 4, a rear frame, 5, a cross beam, 6, a slot, 7, an inserting strip, 8, a through hole, 9, a lightening groove, 10, an upper rib, 11, a rear rib, 12, a horizontal rib, 13, a vertical rib, 14 and a connecting rod.

Detailed Description

The essential features of the invention will be further explained below with reference to the drawings and the detailed description of the invention.

The step structure convenient to assemble as shown in figure 1 comprises a support 1, and a kick plate 2 and a pedal plate 3 which are arranged on the support 1, wherein a rear frame 4 is arranged between the top edge of the kick plate 2 and the rear edge of the pedal plate 3, the support 1 comprises triangular frames arranged on two sides and a cross beam 5 bridged between the rear parts of the top surfaces of the triangular frames, a slot 6 which is open towards the rear is formed between the rear edge of the pedal plate 3 and the cross beam 5, and the rear frame 4 is inserted into the slot 6 from the rear to the front and fixedly connected, so that the top surface and the rear wall of the rear frame 4 are respectively matched and connected with the pedal plate 3 and the kick plate 2. The step is additionally provided with the slot 6 for fixedly connecting the rear frame 4 in an inserting manner, the rear frame 4 can be directly disassembled and assembled on the premise of not disassembling the side frames and the pedal 3, the disassembling and assembling procedures of the rear frame 4 are effectively simplified, the assembling efficiency is further improved, the time and the labor are saved, and the maintenance efficiency is improved.

In actual operation, when assembling the rear frame 4, firstly, the pedal 3 is mounted on the bracket 1 and the slot 6 is formed (as shown in fig. 3); then, the rear side plate is inserted into the slot 6 from the rear to the front and is screwed and locked by a fastener passing through the through hole 8. The rear frame 4 is inserted and connected with the inserting grooves 6 in a limiting mode through the inserting strips 7, the side frames and the pedals 3 do not need to be detached, the assembly efficiency of the rear frame 4 is effectively simplified, and the maintenance efficiency is improved.

In practical operation, the bottom of the front wall of the rear frame 4 extends forwards to form a cutting 7, and after the cutting 7 is installed in place, the cutting is tightly inserted into the slot 6. The back frame 4 matches with the volume width, the cutting 7 with the footboard 3 width matches, has both promoted connection stability through increasing the area of contact between cutting 7 and slot 6, effectively dodges the side frame in addition, makes things convenient for the independent dismouting of side frame.

In practical operation, the bottom surface of the rear frame 4 is provided with a through hole 8, and after the rear frame 4 is inserted in place, the fastener penetrates through the through hole 8 from top to bottom and is in threaded connection and locking with the cross beam 5. The via holes 8 are at least two and are respectively arranged on the area between the adjacent upper ribs 10 on the top surface of the rear frame 4, so that the length of the fastener is effectively shortened, the connection strength of the fastener is improved by reducing the moment of the end part, the tail end of the fastener is hidden by utilizing the space between the adjacent upper ribs 10, the surface smoothness of the step is ensured, the attractiveness is improved, the fastener is convenient to disassemble and assemble, and the assembly efficiency is improved. In the preferred embodiment, there are three through holes 8, and the through holes are respectively disposed at two ends and the middle of the rear frame 4. When the vertical projection of the via hole 8 is overlapped with the rear edge of the connecting rod 14, the connecting rod 14 is provided with an avoiding hole to ensure that the fastener passes through smoothly.

In practical operation, the bottom surface of the rear frame 4 is provided with a plurality of weight reduction grooves 9 (as shown in fig. 2) which are separately arranged and are formed by sinking upwards, and the vertical projections of the through holes 8 and the weight reduction grooves 9 are arranged in a staggered manner. The weight reduction grooves 9 are formed in the rear frame 4, so that the influence on the structural strength of the rear frame 4 is effectively reduced, the raw material consumption is reduced, and the step weight is reduced.

In actual operation, be equipped with the L shape rib that a plurality of equidistance branch put on back frame 4, L shape rib includes overhead rib 10 and rearmounted rib 11. The top surface of the pedal 3 is provided with a plurality of equally spaced horizontal ribs 12 which are communicated in the front-back direction, and after the pedal is installed in place, the upper ribs 10 are flush connected with the horizontal ribs 12. The back wall of the kickplate 2 is provided with a plurality of vertical ribs 13 which are arranged at equal intervals and vertically run through, and after the kickplate is installed in place, the rear ribs 11 are flush connected with the vertical ribs 13. The L-shaped ribs are arranged in the same vertical plane, so that the front ends of the L-shaped ribs are correspondingly connected with the horizontal ribs 12 one by one, the rear ends of the L-shaped ribs are correspondingly connected with the vertical ribs 13 one by one, and the corresponding horizontal ribs 12, the upper ribs 10, the rear ribs 11 and the vertical ribs 13 are all located in the same vertical plane, so that the attractiveness is improved.

In practical operation, a connecting rod 14 fixedly connected with the pedal 3 is arranged below the pedal, and when the pedal is installed, the connecting rod 14 is lapped on the cross beam 5 and fixedly connected through a fastening piece. The connecting rod 14 is Z-shaped, the front edge of the connecting rod is fixedly connected with the bottom surface of the pedal 3 in an attaching mode, the rear edge of the connecting rod is fixedly connected with the top surface of the cross beam 5 in an attaching mode, and the rear edge of the connecting rod 14 and the bottom surface of the pedal 3 are enclosed to form the slot 6. The front edge of the connecting rod 14 is bent downwards to form a reinforcing edge, the bottom edge of the reinforcing edge is turned forwards to form a folding edge, the reinforcing edge and the folding edge can effectively improve the bending resistance of the connecting rod 14, the bending resistance of the pedal 3 is improved, the bearing capacity is improved, the acting force from the pedal 3 can be effectively transmitted to the support 1, and the step is ensured to stably support a user.

In actual operation, the vertical projection of the connecting rod 14 falls into the top surface of the cross beam 5, and the rear edge of the bottom surface of the rear frame 4 is bent downwards, so that the bottom edge of the rear wall of the rear frame 4 is jointed with the top edge of the kickplate 2. 2 apical margins of kicking plate flush with 5 top surfaces of crossbeam and set up, and back frame 4 bottom surface trailing edge is buckled downwards and is contradicted on 2 apical margins of kicking plate, effectively shelters from gap between back frame 4 and kicking plate 2, both stablizes bearing back frame 4, still promotes the aesthetic property.

Claims

1. The ladder structure convenient to assemble comprises a support (1), and a kick plate (2) and a pedal (3) which are installed on the support (1), wherein a rear frame (4) is arranged between the top edge of the kick plate (2) and the rear edge of the pedal (3), the support (1) comprises triangular frames arranged on two sides and a cross beam (5) bridged between the rear portions of the top surfaces of the triangular frames, and the ladder structure is characterized in that a slot (6) which is open towards the rear is formed between the rear edge of the pedal (3) and the cross beam (5), and the rear frame (4) is inserted into the slot (6) from the rear to the front and fixedly connected with the slot so that the top surface and the rear wall of the rear frame (4) are respectively matched and connected with the pedal (3) and the kick plate (2.

2. An easily assembled stair structure according to claim 1, wherein the bottom of the front wall of the rear rim (4) extends forward to form a strip (7), and when the structure is installed in place, the strip (7) is tightly inserted into the slot (6).

3. An easily assembled stair structure according to claim 2, wherein the bottom surface of the rear frame (4) is provided with a through hole (8), and after the rear frame (4) is inserted in place, the fastener passes through the through hole (8) from top to bottom and is screwed and locked with the cross beam (5).

4. The easy-to-assemble stair structure according to claim 3, wherein the bottom surface of the rear frame (4) is provided with a plurality of weight-reducing grooves (9) which are separately arranged and are formed by being recessed upwards, and the vertical projections of the through holes (8) and the weight-reducing grooves (9) are arranged in a staggered manner.

5. An easily assembled stair structure according to claim 1, wherein the rear frame (4) is provided with a plurality of equally spaced L-shaped ribs, and the L-shaped ribs comprise an upper rib (10) and a rear rib (11).

6. An easily assembled stair structure according to claim 5, wherein the top surface of the tread (3) is provided with a plurality of equally spaced horizontal ribs (12) which are through from front to back, and after being installed in place, the upper ribs (10) are flush with the horizontal ribs (12).

7. An easily assembled stair structure according to claim 5, wherein the back wall of the kick plate (2) is provided with a plurality of vertically through vertical ribs (13) which are arranged at equal intervals, and after the kick plate is installed in place, the rear ribs (11) are flush with the vertical ribs (13).

8. An easily assembled stair structure according to any one of claims 1 to 7 wherein the step (3) is provided with a connecting rod (14) fixed thereto, and when installed, the connecting rod (14) is lapped on the cross beam (5) and fixed thereto by a fastener.

9. An easily assembled stair structure according to claim 8, wherein the connecting rod (14) is Z-shaped, the front edge of the connecting rod is fixedly attached to the bottom surface of the pedal (3), the rear edge of the connecting rod is fixedly attached to the top surface of the cross beam (5), and the rear edge of the connecting rod (14) and the bottom surface of the pedal (3) enclose to form the slot (6).

10. An easily assembled stair structure according to claim 9, wherein the vertical projection of the connecting rod (14) falls into the top surface of the cross beam (5), and the rear edge of the bottom surface of the rear frame (4) is bent downwards so that the bottom edge of the rear wall of the rear frame (4) is in fit engagement with the top edge of the kick plate (2).