CN212224477U

CN212224477U - Wall-attached folding stair

Info

Publication number: CN212224477U
Application number: CN202020613122.9U
Authority: CN
Inventors: 魏振国
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-12-25
Anticipated expiration: 2030-04-22

Abstract

A wall-attached folding stair belongs to the technical field of stairs. The utility model discloses a main tributary strut, auxiliary stay frame, footboard, the platform of slowing down and folding ladder down, articulated on main tributary strut and the auxiliary stay frame install a plurality of footboards, and the main tributary strut is fixed on the fixed end, and the one end of the platform of slowing down articulates on the fixed end, and the other end of the platform of slowing down is articulated to be installed with auxiliary stay frame, and the lower terminal surface of the platform of slowing down articulates and installs folding ladder down. The utility model discloses simple structure, design benefit assembles in a flexible way, can realize opening and closing of ladder through folding mode, saves space.

Description

Wall-attached folding stair

Technical Field

The utility model relates to a folding stair with slow platform belongs to stair technical field.

Background

At present, people have higher and higher requirements on space utilization rate, and a plurality of conventional common staircases are known to be firm, but have large occupied space and long time for on-site manufacturing and installation. The movable folding ladder is very light, but is easy to turn on one's side when being used in a herringbone opening mode, and stress joints are easy to loosen and have poor stability when bearing for a long time. The fixed folding ladder in top, because of the installation fixed point is at the ladder top, so can save lower floor's space only, whole piles up the upper strata after packing up the back ladder, hinders upper space mobility, and it is very big to take up upper space. The split combined stair is small in size after being disassembled, but time and labor are wasted when the split combined stair is installed each time.

Therefore, in order to save space, a multifunctional folding stair which can hardly occupy three-dimensional space is particularly needed.

SUMMERY OF THE UTILITY MODEL

The present invention has been developed in order to solve the above-mentioned problems, and a brief summary of the present invention is provided below in order to provide a basic understanding of some aspects of the present invention. It should be understood that this summary is not an exhaustive overview of the invention. It is not intended to identify key or critical elements of the invention or to delineate the scope of the invention.

The technical scheme of the utility model:

the utility model provides a paste wall folding stair, includes main tributary strut, auxiliary stay frame, footboard, slows down platform and folding ladder down, and articulated on main tributary strut and the auxiliary stay frame install a plurality of footboards, and the main tributary strut is fixed on the fixed end, and the one end of slowing down the platform articulates on the fixed end, slows down the other end of platform and the articulated installation of auxiliary stay frame down, and the lower terminal surface of platform is slowed down and is articulated to install folding ladder down.

Preferably: the device is characterized by further comprising an upper buffering platform, one end of the upper buffering platform is hinged to the fixed end, and the other end of the upper buffering platform is hinged to the auxiliary supporting frame.

Preferably: the main supporting frame and the auxiliary supporting frame respectively comprise a supporting beam and a plurality of supporting bosses arranged at the lower end of the supporting beam, and the pedal is hinged to the supporting bosses through a rotating shaft.

Preferably: the pedal type pedal device further comprises a supporting rod, one end of the supporting rod is hinged to the pedal, and the other end of the supporting rod is hinged to the main supporting frame.

Preferably: the upper end face of the lower buffering platform is provided with a hinged seat, and the lower buffering platform is hinged with the auxiliary support frame through the hinged seat.

Preferably: still including postponing a mount pad down, postpone a mount pad down and install on the fixed end, postpone the platform down and establish articulated installation through hinge and postpone a mount pad down.

Preferably: still including last platform mount pad of slowing, go up and delay the platform mount pad and install on the fixed end, go up and delay the platform and establish articulated installation through hinge and last platform mount pad.

Preferably: lower folding ladder includes the landing leg, first footboard, footboard under the second, connecting rod and guide bar, the quantity of landing leg is two, two landing leg parallel arrangement, the articulated bottom face of slowing the platform under two landing legs, footboard and second are in the inboard of two landing legs through the pivot hinge down, the other end of footboard all has guide pin axle under first footboard and the second, processing has the direction spout on the guide bar, the one end of guide bar articulates the bottom face of slowing the platform down, the guide pin axle slidable mounting of first footboard is in the direction spout of guide bar, the connecting rod passes through guide pin axle and connects footboard under first footboard and the second.

Preferably: the support leg is characterized by further comprising a support leg and a guide seat, one end of the support leg is installed on the bottom end face of the upper buffering platform through a hinged installation seat, the guide seat is fixedly installed on the fixed end, a long groove hole is machined in the guide seat, and the other end of the support leg is installed in the long groove hole through a sliding rod in a sliding mode.

Preferably: the number of supporting legs and guide holder is two, two supporting legs and two guide holder parallel arrangement.

The utility model discloses following beneficial effect has:

1. the utility model has simple structure, ingenious design and flexible assembly, and can realize the opening and closing of the ladder in a folding way, thereby saving space;

2. the utility model adopts the folding mode of the side to realize the folding of the ladder, and the upper and lower ends of the ladder are respectively provided with the slow platforms, thereby improving the comfort level of use, and the added slow platform can also improve the safety of use;

3. the utility model discloses an upper and lower slow platform can be folded with the ladder is synchronous, when expanding the ladder, upper and lower slow platform also opens immediately, and then forms "the wall-attached folding stair of slow platform about integrated 90 degrees corners";

4. the utility model discloses a bracing piece plays the auxiliary stay, and under the effect of bracing piece, the folding ladder has a buffer capacity, also has a holding power, and the speed that the folding ladder was opened is cushioned, improves its life, increases the bearing capacity of ladder.

Drawings

FIG. 1 is a perspective view of a wall-mounted folding stair;

FIG. 2 is a schematic structural diagram of a second embodiment;

FIG. 3 is a perspective view of the secondary support;

FIG. 4 is an assembled schematic view of the lower buffering table and the lower folding ladder;

FIG. 5 is an assembly schematic of the upper buffering table and the supporting leg

FIG. 6 is a perspective view of a wall-mounted folding stair in a folded state;

FIG. 7 is a front view of a wall-mounted folding stair in a folded state;

FIG. 8 is a schematic view of a wall-mounted folding stair in use;

FIG. 9 is a schematic diagram of an eleventh embodiment;

FIG. 10 is an enlarged schematic view at A in FIG. 4;

in the figure, 1-a main support frame, 2-an auxiliary support frame, 3-a pedal, 4-a lower buffering platform, 5-a lower folding ladder, 6-a fixed end, 7-an upper buffering platform, 8-a support beam, 9-a support lug, 10-a support rod, 11-a hinging seat, 12-a lower buffering platform mounting seat, 13-a hinge, 14-an upper buffering platform mounting seat, 15-a support leg, 16-a first lower pedal, 17-a second lower pedal, 18-a connecting rod, 19-a guide rod, 20-a guide pin shaft, 21-a guide chute, 22-a guide seat, 23-a hinging mounting seat, 24-a long slotted hole, 25-a support leg and 26-a sliding rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The utility model discloses the connection that mentions divide into fixed connection and can dismantle the connection, fixed connection (for being undetachable connection) includes but not limited to conventional fixed connection modes such as hem connection, rivet connection, adhesive connection and welded connection, can dismantle the connection including but not limited to conventional dismantlement modes such as threaded connection, buckle connection, pin joint and hinged joint, when not clearly prescribing a limit to concrete connection mode, defaulting always can find at least one kind of connected mode in current connected mode and can realize this function, and the technical staff in the art can select by oneself as required. For example: the fixed connection selects welding connection, and the detachable connection selects hinge connection.

The first embodiment is as follows: the wall-attached folding stair of the embodiment is described by referring to fig. 1, and comprises a main support frame 1, an auxiliary support frame 2, pedals 3, a lower buffering platform 4 and a lower folding ladder 5, wherein the main support frame 1 and the auxiliary support frame 2 are hinged with the pedals 3, the main support frame 1 is fixed on a fixed end 6, one end of the lower buffering platform 4 is hinged on the fixed end 6, the other end of the lower buffering platform 4 is hinged with the auxiliary support frame 2, and the lower end face of the lower buffering platform 4 is hinged with the lower folding ladder 5.

The fixed end 6 explained in the embodiment is a wall body, a movable device or a fixed surface on which a folding ladder needs to be installed, and is used for fixing the ladder;

taking a wall as an example, when a ladder needs to be installed, the main support frame 1 is fixedly installed on the wall, wherein the pedals 3 are rectangular pedals, two sides of each pedal 3 are respectively hinged to the main support frame 1 and the auxiliary support frame 2 through rotating shafts, the auxiliary support frame 2 is a movable support, the auxiliary support frame 2 is pulled, the auxiliary support frame 2 drives the pedals 3 to be unfolded/folded, the unfolded state of the pedals is shown in fig. 1, and the folded state of the pedals is shown in fig. 6 and 7;

still articulated have down slow platform 4 in the bottom of auxiliary stay frame 2, slow 4 articulated installations on the wall body of platform down, stimulate auxiliary stay frame 2 like this, auxiliary stay frame 2 drives down slow 4 expandes, slow 4 and the wall body of platform down is the vertical state, and simultaneously, the pulling is slow down the articulated lower folding ladder 5 of terminal surface under 4, slow platform 4 is supported down to lower folding ladder 5, personnel trample slow 4 down, then walk on folding stair, under the effect of slow 4, the stationarity that folding stair stepped on has been improved, user's result of use has been improved.

The second embodiment is as follows: referring to fig. 2 and 5-8, the first embodiment is described, and the wall-attached foldable stair further comprises a slow-up platform 7, wherein one end of the slow-up platform 7 is hinged to the fixed end 6, and the other end of the slow-up platform 7 is hinged to the auxiliary support frame 2.

One end of the upper buffering platform 7 is hinged to the fixed end 6, the upper buffering platform 7 is hinged to the auxiliary support frame 2, the hinge mounting mode can be achieved through a pin shaft directly, the hinge mounting can also be achieved through a hinge base, and the mounting can also be achieved in a mounting plate and shaft matching mode, for example, in the attached drawing 2, a square plate is welded at the top end of the auxiliary support frame 2, the square plate is hinged to the upper buffering platform 7 through a shaft, and when the hinge mounting of the upper buffering platform and the auxiliary support frame 2 is implemented, the function that the upper buffering platform 7 and the auxiliary support frame 2 can rotate relative to each other can be achieved by finding at least one mode in the existing hinge mode by default;

through pulling auxiliary stay frame 2, auxiliary stay frame 2 drives and goes up platform 7 and expand slowly, goes up and slowly platform 7 and stiff end and is the vertical state, and the user steps on in proper order and takes off folding ladder 5, slowly platform 4, footboard 3 down and slowly platform 7 on, finally realizes the purpose of taking on the bus.

The third concrete implementation mode: referring to fig. 2-3 and fig. 6-9, and with reference to the first embodiment, the first embodiment is described, and the main support frame 1 and the auxiliary support frame 2 both include a support beam 8 and a plurality of support protrusions 9 installed at the lower end of the support beam 8, the step plate 3 is hinged to the support protrusions 9 through a rotating shaft, wherein the support beam 8 is a support tube formed by welding square tubes, the plurality of support protrusions 9 are regularly welded at the lower end of the support beam 8, the support protrusions 9 are used for installing the step plate 3, and the step plate 3 is installed in cooperation with the support protrusions 9 through a pin rotation manner, so that the auxiliary support frame 2 is folded, and the auxiliary support frame 2 drives the step plate 3 to change its position relative to the main support frame 1, thereby forming a stair-shaped structure, as shown in fig. 2.

The fourth concrete implementation mode: referring to fig. 2, the first embodiment is combined to describe the present embodiment, and the wall-attached folding stair of the present embodiment further comprises a support rod 10, wherein one end of the support rod 10 is hinged to the tread 3, and the other end of the support rod 10 is hinged to the main support frame 1. So set up, the bracing piece 10 is the damping bracing piece, the quantity of bracing piece 10 can be a plurality of, the bracing piece 10 plays the auxiliary stay, under the effect of bracing piece, the folding ladder has a buffer capacity, a holding power also has, the speed that the folding ladder was opened is cushioned, avoid the ladder to open suddenly, make some parts take place local damage in long-time open suddenly state, its life has been improved under the effect of bracing piece 10, also increase the bearing capacity of ladder simultaneously under the effect of bracing piece 10.

The fifth concrete implementation mode: referring to fig. 2, 6 and 7, the embodiment is described, and the wall-mounted folding stair of the embodiment is characterized in that the hinged seat 11 is installed on the upper end surface of the lower buffering platform 4, the lower buffering platform 4 is hinged with the auxiliary support frame 2 through the hinged seat 11, when the lower buffering platform 4 is opened, the auxiliary support frame 2 and the lower buffering platform 4 are in a vertical state, when the lower buffering platform 4 is folded, the relative position of the auxiliary support frame 2 and the lower buffering platform 4 rotates, and finally a bonding state is formed, and as shown in fig. 6 and 7, under the action of the hinged seat 11, the synchronous unfolding/folding of the ladder and the lower buffering platform 4 is realized.

The sixth specific implementation mode: referring to fig. 2, fig. 6 and fig. 7, the wall-mounted folding stair of the embodiment further comprises a lower buffering platform mounting seat 12, wherein the lower buffering platform mounting seat 12 is mounted on the fixed end 6, and the lower buffering platform 4 is hinged with the lower buffering platform mounting seat 12 through a hinge 13;

in this embodiment, the lower buffering platform mounting base 12 can be in the form of a channel steel, an angle iron, a square tube, etc., and is used for realizing that the lower buffering platform 4 and the fixed end 6 form a hinged action.

The seventh embodiment: referring to fig. 2, 6 and 7, the wall-mounted folding stair of the embodiment further comprises an upper slow platform mounting seat 14, wherein the upper slow platform mounting seat 14 is mounted on the fixed end 6, and the upper slow platform 7 is hinged with the upper slow platform mounting seat 14 through a hinge 13. Like sixth embodiment, the platform mount pad 14 that slows up can be channel-section steel, angle bar, square pipe etc. form, and its purpose is used for realizing that the platform 7 that slows up forms articulated action with stiff end 6, will slow up platform mount pad 14 fixed mounting on stiff end 6, then realizes the articulated installation of platform mount pad 14 and the platform 7 that slows up through hinge 13, and this kind of mounting means installation procedure is simpler.

The specific implementation mode is eight: referring to fig. 2, 4, 6, 7 and 10, the present embodiment, a wall-attached collapsible stairway of the present embodiment, lower folding ladder 5 includes landing leg 15, first footboard 16, footboard 17 under the second, connecting rod 18 and guide bar 19, landing leg 15's quantity is two, two landing leg 15 parallel arrangement, the articulated bottom face of slowing platform 4 under two landing legs 15 are installed, first footboard 16 and footboard 17 under the second articulate the inboard at two landing legs 15 through the pivot, the other end of footboard 17 under first footboard 16 and the second all has guide pin axle 20, processing has guide runner 21 on the guide bar 19, the one end of guide bar 19 articulates the bottom face of slowing platform 4 down, guide pin axle 20 slidable mounting of first footboard 16 is in guide runner 21 of guide bar 19, connecting rod 18 passes through guide pin axle 20 and connects first footboard 16 and footboard 17 under the second. According to the arrangement, when the supporting legs 15 are pulled, the supporting legs 15 rotate relative to the lower buffering platform 4, at the moment, because the first lower pedal 16 is hinged with the two supporting legs 15, the first lower pedal 16 is gradually unfolded, and the guide pin shaft 20 on the first lower pedal 16 slides in the guide sliding groove 21, when the supporting legs 15 are completely opened, the guide pin shaft 20 on the first lower pedal 16 slides to the bottom end of the guide sliding groove 21, and because the top end of the guide rod 19 is hinged on the lower buffering platform 4, the guide rod 19 provides a pulling force for the first lower pedal 16, a user steps on the first lower pedal 16, the first lower pedal 16 cannot turn over, and the user is prevented from stepping empty;

when the leg 15 is pulled, the second bottom pedal 17 is also turned over relative to the leg 15, and under the action of the connecting rod 18, the connecting rod 18 provides a pulling force for the second bottom pedal 17, so that the second bottom pedal 17 cannot be turned over when a user steps on the second bottom pedal 17.

The specific implementation method nine: referring to fig. 2, 5-8, the embodiment is described, the wall-attached folding stair of the embodiment further comprises a support leg 25 and a guide seat 22, one end of the support leg 25 is mounted on the bottom end face of the upper buffering platform 7 through a hinged mounting seat 23, the guide seat 22 is fixedly mounted on the fixed end 6, a long slot hole 24 is processed on the guide seat 22, and the other end of the support leg 25 is slidably mounted in the long slot hole 24 through a sliding rod 26. With such an arrangement, when the upper buffering table 7 is perpendicular to the fixed end 6, the sliding rod 26 on the supporting leg 25 slides to the bottom of the slotted hole 24, and the supporting leg 25 supports the upper buffering table 7, thereby improving the bearing capacity of the upper buffering table 7.

The detailed implementation mode is ten: referring to fig. 2, 5-8, the wall-attached folding stair of the embodiment is described, the number of the supporting legs 25 and the guide seats 22 is two, and the two supporting legs 25 and the two guide seats 22 are arranged in parallel. So set up, through under the effect of two supporting legs 25, it is more stable to go up slow platform 7.

The concrete implementation mode eleven: referring to fig. 9 to explain the present embodiment, a wall-attached collapsible stairway of the present embodiment, in combination with the eighth embodiment, the number of the first lower step 16 and the second lower step 17 of the lower collapsible stairway 5 may be plural, when plural first lower steps 16 and second lower steps 17 are used, the first lower step 16 and the second lower step 17 are hinged to the two legs 15, and then the installation between the adjacent two first lower steps 16 and second lower steps 17 is established through the guide rod 19, which is the same as the installation of the first lower step 16 and the guide rod 19 in the eighth embodiment.

It should be noted that, in the above embodiments, as long as the technical solutions can be aligned and combined without contradiction, those skilled in the art can exhaust all possibilities according to the mathematical knowledge of the alignment and combination, and therefore the present invention does not describe the technical solutions after alignment and combination one by one, but it should be understood that the technical solutions after alignment and combination have been disclosed by the present invention.

This embodiment is only illustrative of the patent and does not limit the scope of protection thereof, and those skilled in the art can make modifications to its part without departing from the spirit of the patent.

Claims

1. The utility model provides a paste wall folding stair, includes main tributary strut (1), auxiliary stay frame (2), footboard (3), slows down platform (4) and folding ladder (5) down, and main tributary strut (1) and auxiliary stay frame (2) go up the articulated a plurality of footboards (3) of installing, and main tributary strut (1) is fixed on stiff end (6), its characterized in that: one end of the lower buffering platform (4) is hinged to the fixed end (6), the other end of the lower buffering platform (4) is hinged to the auxiliary support frame (2), and the lower end face of the lower buffering platform (4) is hinged to the lower folding ladder (5).

2. A wall-mounted folding stair as claimed in claim 1, wherein: the device is characterized by further comprising an upper buffering platform (7), one end of the upper buffering platform (7) is hinged to the fixed end (6), and the other end of the upper buffering platform (7) is hinged to the auxiliary supporting frame (2).

3. A wall-mounted collapsible stairway as claimed in claim 1 or claim 2, wherein: the main support frame (1) and the auxiliary support frame (2) comprise a support beam (8) and a plurality of support bosses (9) arranged at the lower end of the support beam (8), and the pedal (3) is hinged on the support bosses (9) through a rotating shaft.

4. A wall-mounted collapsible stairway as claimed in claim 1 or claim 2, wherein: the pedal type pedal device is characterized by further comprising a supporting rod (10), one end of the supporting rod (10) is hinged to the pedal (3), and the other end of the supporting rod (10) is hinged to the main supporting frame (1).

5. A wall-mounted folding stair as claimed in claim 1, wherein: the upper end face of the lower buffering platform (4) is provided with a hinged seat (11), and the lower buffering platform (4) is hinged with the auxiliary supporting frame (2) through the hinged seat (11).

6. A wall-mounted folding stair as claimed in claim 5, wherein: the lower buffering platform is characterized by further comprising a lower buffering platform mounting seat (12), the lower buffering platform mounting seat (12) is mounted on the fixed end (6), and the lower buffering platform (4) is hinged to the lower buffering platform mounting seat (12) through a hinge (13).

7. A wall-mounted folding stair as claimed in claim 1, wherein: the device is characterized by further comprising an upper buffering platform mounting seat (14), the upper buffering platform mounting seat (14) is mounted on the fixed end (6), and the upper buffering platform (7) is hinged with the upper buffering platform mounting seat (14) through a hinge (13).

8. A wall-mounted folding stair as claimed in claim 1, wherein: the lower folding ladder (5) comprises supporting legs (15), a first lower pedal (16), a second lower pedal (17), a connecting rod (18) and a guide rod (19), the quantity of landing leg (15) is two, two landing leg (15) parallel arrangement, the articulated bottom face of installing slowly platform (4) down in two landing leg (15), footboard (16) and second are down articulated in the inboard of two landing leg (15) through the pivot, the other end of footboard (17) all has guide pin axle (20) under first footboard (16) and the second, processing has direction spout (21) on guide bar (19), the one end of guide bar (19) articulates the bottom face slowly platform (4) down, guide pin axle (20) slidable mounting of first footboard (16) is in guide spout (21) of guide bar (19), connecting rod (18) are through guide pin axle (20) connection first footboard (16) and second footboard (17) down.

9. A wall-mounted folding stair as claimed in claim 2, wherein: still include supporting leg (25) and guide holder (22), the bottom face of platform (7) is slowly installed at last through articulated mount pad (23) to the one end of supporting leg (25), and guide holder (22) fixed mounting is on stiff end (6), and processing has slotted hole (24) on guide holder (22), and the other end of supporting leg (25) passes through slide bar (26) slidable mounting in slotted hole (24).

10. A wall-mounted collapsible stairway as claimed in claim 9, wherein: the number of the supporting legs (25) and the number of the guide seats (22) are two, and the two supporting legs (25) and the two guide seats (22) are arranged in parallel.