CN115288383A

CN115288383A - Movable stair railing

Info

Publication number: CN115288383A
Application number: CN202211043390.1A
Authority: CN
Inventors: 彭水生; 刘欠如; 杨先军; 罗军亮
Original assignee: Jiangxi Yuantong Metal Products Co ltd
Current assignee: Jiangxi Yuantong Metal Products Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2022-11-04

Abstract

The invention relates to the technical field of stair handrails and discloses a movable stair handrail, which comprises a pillar, wherein the pillar is provided with a handrail, the pillar is provided with a lifting mechanism, the handrail is provided with a grabbing mechanism and a clamping mechanism, and the grabbing mechanism comprises: the slide opening is arranged on the right side of the top of the handrail, one end of the rotating shaft is rotatably connected to the back face of the inner wall of the slide opening through one bearing, the outer wall of the other end of the rotating shaft is sleeved with the spur gear fixing sleeve, the rack is connected to the left side of the inner wall of the slide opening in a sliding mode, the tooth mouth is meshed with the spur gear, the limiting block is fixedly arranged at the top of the left side of the rack, and the bottom of the limiting block is connected with the top of the handrail in a contact mode. Through adjusting two hydraulic stems simultaneously, make its inner boom upwards extend to promote the fixed block and shift up, drive the handrail simultaneously and rise, carry out altitude mixture control to the handrail according to different crowds' height custom, avoid the risk that the height falls, avoid short individual to snatch laborious problem.

Description

Movable stair railing

Technical Field

The invention relates to the technical field of stair handrails, in particular to a movable stair handrail.

Background

The stair handrail is a supporting rod of a stair guardrail, a welding-free integrated assembly process is adopted, the stair handrail is simple to manufacture and convenient to install, all the first through part, the side through part, the transverse through part and the bottom through part are made of alloy castings, the appearance of the stair handrail is subjected to an electrostatic anti-corrosion spraying process, and the stair handrail is various in color and durable; the pipe is subjected to high-temperature zinc dipping treatment and an external surface static anti-corrosion spraying process; the upright post rectangular tube is punched by full-automatic numerical control equipment, the assembly speed is high, the construction period time is short, and the field assembly and installation are quick

At present, the stair handrail is mainly assembled between a low point and a high point of a stair surface and used for a person to grab and hold up and down stairs.

However:

1. the structure of stair railing is comparatively fixed usually, can't adjust height according to different crowds' height custom, leads to the higher risk of falling of height, and the lower handrail of snatching of height need raise the arm, and is more arduous.

2. When a child goes upstairs or downstairs, the structure of the handrail is mainly designed by adults, so that the child cannot touch the handrail, gaps exist in the guardrails which are longitudinally arranged in a grabbing manner, the phenomenon of grabbing and leaking easily occurs, and potential safety hazards are provided.

3. There is a space to utilize between the posts of the handrail, usually by gluing or hooking some banner posters, but gluing leaves glue marks, and hooking can damage the surface of the post guardrail, resulting in scratching damage.

4. Generally, when going upstairs, luggage needs to be carried in a holding or carrying manner, physical power is wasted, burden of going upstairs is increased, certain utilization rate exists between stair handrails, and certain exertion space is still left.

Disclosure of Invention

The invention aims to provide a movable stair railing to solve the problems.

In order to achieve the purpose, the invention provides the following technical scheme: a movable stair handrail comprises a support post, wherein a handrail is arranged on the support post, a lifting mechanism is arranged on the support post, and a grabbing mechanism and a clamping mechanism are arranged on the handrail;

snatch the mechanism and include:

the sliding hole is formed in the right side of the top of the handrail;

one end of the rotating shaft is rotatably connected to the back surface of the inner wall of the sliding hole through one bearing;

the spur gear is fixedly sleeved on the outer wall of the other end of the rotating shaft;

the rack is connected to the left side of the inner wall of the sliding hole in a sliding mode, and a tooth opening is meshed with the spur gear;

the limiting block is fixedly arranged at the top of the left side of the rack, and the bottom of the limiting block is in contact connection with the top of the handrail;

the number of the rotating shaft, the bearing I, the spur gear, the rack and the limiting blocks is two respectively, and the other of the rotating shaft, the bearing I, the spur gear, the rack and the limiting blocks is symmetrically arranged on the right side of the inner wall of the sliding hole;

and the grabbing rod is fixedly connected between the bottom ends of the two racks.

Preferably, the top of pillar is seted up flutedly, elevating system includes:

the hydraulic rod is fixedly arranged on the inner wall of the groove;

the bottom of the fixed block is fixedly connected with the top end of the inner rod of the hydraulic rod, and the fixed block is simultaneously connected to the inner wall of the groove in a sliding manner;

the clamping groove is formed in the left side of the top of the handrail;

the grabbing arm is of a U-shaped structure, and two ends of the U shape are respectively hinged to the left side and the right side of the handrail through bolts. The grabbing arm is arranged, so that a user can conveniently grab in any posture from top to bottom, and the comfort is suitable.

Preferably, the number of the pillars, the number of the grooves and the number of the lifting mechanisms are respectively two, and the tops of the fixing blocks are fixedly connected with the rear side of the bottom of the handrail in sequence.

Preferably, the tops of the two fixing blocks are both obliquely arranged.

Preferably, the clamping mechanism includes:

the tops of the three guardrails are fixedly connected with the rear side of the bottom of the handrail in sequence and are positioned between the two support columns;

the transverse plate is fixedly arranged at the bottoms of the front sides of the three guardrails;

the bottom ends of the two screw rods are respectively and rotatably connected to the bottom of the transverse plate through a second bearing, and the other screw rod respectively and movably penetrates through two sides of the top of the transverse plate and extends upwards continuously;

the two rotating pieces are respectively and fixedly arranged between the extending ends of the two screw rods;

the two sides of the pressing plate are provided with screw holes and are respectively in threaded connection with the two screw rods through the screw holes;

and the tops of the back surfaces of the two clamping blocks are sequentially and fixedly connected with the front surface of the pressing plate. The surface of the banner poster is clamped by arranging the clamping block.

Preferably, the back surface of the pressing plate is in contact connection with the front surfaces of the three guardrails in sequence. The middle part of the handrail is prevented from being hollow by arranging the guardrail.

Preferably, the front surfaces of the two pillars are respectively hinged with two sides of the bottom of the auxiliary plate through hinges. The auxiliary plate is opened through rotation, so that the luggage case is convenient to carry.

Preferably, the bottom ends of the two pillars are provided with stairs, each stair comprises a tread and a kicking surface, and the bottom ends of the two pillars are respectively and fixedly installed on the treads at the lower part and the treads at the higher part. People step on the tread to go upstairs and downstairs.

The invention provides a movable stair railing. The method has the following beneficial effects:

(1) According to the invention, the two hydraulic rods are adjusted simultaneously, so that the inner rods of the hydraulic rods extend upwards, the fixed blocks are pushed to move upwards, and meanwhile, the handrails are driven to rise, so that the height of the handrails is adjusted according to the habits of different people, the risk of falling of tall people is avoided, and the problem of great grabbing force of short people is avoided.

(2) The invention can grab from the upper part or the lower part through the grabbing arm, the grabbing rod is positioned at the lower part and is convenient to grab with the child, the handrail which can be touched by the child is added, the phenomenon of grabbing and leaking during grabbing is avoided, and the safety is improved.

(3) According to the invention, the banner or the top edge of the poster is plugged between the transverse plate and the pressing plate, the screw rod is driven to rotate by rotating the rotary plate, and the pressing plate is driven to descend through the screw hole, so that the banner poster is pressed, the utilization rate of the guardrail is increased, the banner poster is prevented from being bonded and leaving a glue mark, the surface of the guardrail is prevented from being damaged by a hook, and the scraping damage is prevented.

(4) The auxiliary plate is additionally arranged and rotated through the hinge, so that the auxiliary plate is turned over and attached to the stairs to form an inclined slope, the transportation of articles such as luggage and the like during the upstairs and downstairs is facilitated, the physical waste is reduced, and the upstairs burden is relieved.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic perspective view of the armrest of the present invention;

FIG. 3 is a schematic cross-sectional view of a slide hole according to the present invention;

FIG. 4 is a schematic perspective view of the clamping mechanism of the present invention;

FIG. 5 is a cross-sectional view of the pillar of the present invention;

fig. 6 is a perspective view of an auxiliary plate of the present invention.

In the figure: 1. a pillar; 2. a handrail; 3. a lifting mechanism; 301. a hydraulic lever; 302. a fixed block; 303. a card slot; 304. a grasping arm; 4. a grabbing mechanism; 401. a slide hole; 402. a rotating shaft; 403. a spur gear; 404. a rack; 405. a limiting block; 406. a grab bar; 5. a clamping mechanism; 501. a guardrail; 502. a transverse plate; 503. a screw; 504. rotating the sheet; 505. pressing a plate; 506. a clamping block; 6. an auxiliary plate; 7. a staircase; 8. a tread; 9. and (5) kicking.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The first embodiment is as follows:

as shown in fig. 1 to 6, the present invention provides the technical solutions: the utility model provides a movable stair railing, includes pillar 1, is provided with handrail 2 on the pillar 1, is provided with elevating system 3 on the pillar 1, is provided with on handrail 2 to snatch mechanism 4 and fixture 5, snatchs mechanism 4 and includes: the top right side at handrail 2 is seted up to slide opening 401, pivot 402 one end is passed through one rotation of bearing and is connected the inner wall back at slide opening 401, the fixed cover of other end outer wall at pivot 402 is established to spur gear 403, rack 404 sliding connection is on slide opening 401 inner wall left side, and the tooth mouth meshes with spur gear 403, stopper 405 fixed mounting is at the left side top of rack 404, and the bottom of stopper 405 contacts with handrail 2 and is connected, pivot 402, bearing one, spur gear 403, rack 404, the quantity of stopper 405 respectively has two, and respective other symmetry sets up the inner wall right side at slide opening 401, grab pole 406 fixed connection between the bottom of two racks 404, the recess has been seted up at the top of pillar 1, elevating system 3 includes: the hydraulic rod 301 is fixedly installed on the inner wall of the groove, the bottom of the fixing block 302 is fixedly connected with the top end of the inner rod of the hydraulic rod 301, the fixing block 302 is simultaneously connected to the inner wall of the groove in a sliding mode, the clamping groove 303 is formed in the left side of the top of the handrail 2, the grabbing arm 304 is of a U-shaped structure, two ends of the U-shaped structure are respectively hinged to the left side and the right side of the handrail 2 through bolts, the number of the supporting columns 1, the number of the groove and the number of the lifting mechanisms 3 are respectively two, the tops of the two fixing blocks 302 are sequentially fixedly connected with the rear side of the bottom of the handrail 2, and the tops of the two fixing blocks 302 are obliquely arranged;

in this embodiment, by adjusting the two hydraulic rods 301 simultaneously, the inner rods extend upward, and push the fixing block 302 to move upward, and drive the handrail 2 to rise, the gripping arm 304 can grip from above or below, the gripping arm 304 is rotated around the pin as an axis, and is rotated into the slot 303 to be accommodated, and the gripping rod 406 is pushed, so that the two racks 404 descend along the inner wall of the sliding hole 401 under the condition of being meshed with the spur gear 403, and the limiting block 405 contacts the top surface of the handrail 2 to limit.

Example two:

as shown in fig. 1, 3, 4, 5 and 6, on the basis of the first embodiment, the present invention provides a technical solution: the chucking mechanism 5 includes: the tops of the three guardrails 501 are fixedly connected with the rear side of the bottom of the handrail 2 in sequence and are positioned between the two pillars 1, the transverse plate 502 is fixedly installed at the bottoms of the front surfaces of the three guardrails 501, the bottom ends of the two screw rods 503 are respectively and rotatably connected to the bottom of the transverse plate 502 through the bearings II, the other screw rod is respectively and movably penetrated through two sides of the top of the transverse plate 502 and extends upwards, the two rotating pieces 504 are respectively and fixedly installed between the extending ends of the two screw rods 503, screw holes are respectively formed in two sides of the pressing plate 505 and are respectively in threaded connection with the two screw rods 503 through the screw holes, the tops of the back surfaces of the two clamping blocks 506 are sequentially and fixedly connected to the front surface of the pressing plate 505, and the back surface of the pressing plate 505 is sequentially in contact connection with the front surfaces of the three guardrails 501;

in this embodiment, the guardrail 501 is used to block the space between the two posts 1 and the handrail 2, the rotating plate 504 is rotated to rotate the screw 503 and make the pressing plate 505 descend through the screw hole to press the banner poster, and the fixture block 506 can fasten the top surface of the banner poster to enhance the suspension stability.

Example three:

as shown in fig. 1, 5 and 6, on the basis of the first embodiment, the present invention provides a technical solution: the front surfaces of the two pillars 1 are respectively hinged with two sides of the bottom of an auxiliary plate 6 through hinges, the bottom ends of the two pillars 1 are provided with a stair 7, the stair 7 comprises a tread 8 and a kick surface 9, and the bottom ends of the two pillars 1 are respectively fixedly arranged on the tread 8 at the lower part and the tread 8 at the higher part;

in this embodiment, the auxiliary plate 6 is turned over by using the hinge as an axis, and is laid on the whole staircase 7, the suitcase is moved to the auxiliary plate 6 for convenient carrying, and the auxiliary plate 6 is rotated and reset to be closely attached to the two pillars 1 after use.

When the hand-operated stair climbing device is used, a person steps on the tread 8 and goes upstairs and downstairs on the stairs 7, the body shape of the upstairs and downstairs can be stabilized by holding the handrail 2, the grabbing arm 304 can grab from the upper side or the lower side, so that the hand-operated stair climbing device is convenient for shorter persons and children to grab, when the hand-operated stair climbing device is not needed to be used, the grabbing arm 304 is rotated by taking the bolt as the axis, the grabbing arm is rotated into the clamping groove 303 to be stored, the two hydraulic rods 301 are adjusted to extend upwards, the fixing block 302 is pushed to move upwards, the handrail 2 is driven to rise at the same time, so that the hand-operated stair climbing device is convenient for tall persons to grab the grabbing rod 406 to go upstairs and downstairs, the grabbing rod 406 is of an integrated structure, the continuous and uninterrupted gear is provided, the problem that the children grab the hand is solved, the hand-operated stair climbing device can be operated by pushing the grabbing rod 406 to enable the two racks 404 to rise along the inner wall of the sliding hole 401 under the condition that the spur gear 403 is meshed with the clamping mechanism 5 between the two struts 1, the banner or the top edge of the poster is plugged between a transverse plate 502 and a pressing plate 505, a screw 503 is driven to rotate by rotating a rotating piece 504, the pressing plate 505 is enabled to descend through a screw hole, so that the banner poster is pressed, an L-shaped structure is formed by a clamping block 506 and the pressing plate 505, the top surface of the banner poster can be clamped, so that the stability is enhanced, the guardrail 501 is used for shielding the space between two pillars 1 and the handrail 2, accidents caused by air leakage are prevented, after the banner poster device is finished, a grabbing rod 406 is put down, a limiting block 405 is enabled to be in contact with the top surface of the handrail 2 for limiting, a rack 404 is prevented from falling off, when a suitcase needs to be carried upstairs and downstairs, an auxiliary plate 6 can be turned open by taking a hinge as an axis, the auxiliary plate 6 is laid at the inclination angle of the whole stair 7, then the suitcase is moved to the auxiliary plate 6, so that the suitcase can be pulled upstairs and downstairs more conveniently, after going upstairs and downstairs, the auxiliary plate 6 is turned over again and is reset to be tightly attached to the two pillars 1, and then the two pillars 1 can be folded, and are respectively fixed on the tread 8 of the stair 7, so that the stability is enhanced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. A movable stair railing, comprising a pillar (1), characterized in that: a handrail (2) is arranged on the support column (1), a lifting mechanism (3) is arranged on the support column (1), and a grabbing mechanism (4) and a clamping mechanism (5) are arranged on the handrail (2);

the gripping mechanism (4) comprises:

the sliding hole (401) is formed in the right side of the top of the handrail (2);

one end of the rotating shaft (402) is rotatably connected to the back surface of the inner wall of the sliding hole (401) through a bearing;

the spur gear (403) is fixedly sleeved on the outer wall of the other end of the rotating shaft (402);

the rack (404) is connected to the left side of the inner wall of the sliding hole (401) in a sliding mode, and a tooth opening is meshed with the spur gear (403);

the limiting block (405) is fixedly installed at the top of the left side of the rack (404), and the bottom of the limiting block (405) is in contact connection with the top of the handrail (2);

the number of the rotating shaft (402), the number of the bearing I, the number of the spur gear (403), the number of the rack (404) and the number of the limiting blocks (405) are respectively two, and the other one of the two is symmetrically arranged on the right side of the inner wall of the sliding hole (401);

and the grabbing rod (406) is fixedly connected between the bottom ends of the two racks (404).

2. A movable stair railing according to claim 1, wherein: the top of pillar (1) is seted up flutedly, elevating system (3) include:

the hydraulic rod (301) is fixedly arranged on the inner wall of the groove;

the bottom of the fixed block (302) is fixedly connected with the top end of an inner rod of the hydraulic rod (301), and the fixed block (302) is simultaneously connected to the inner wall of the groove in a sliding mode;

the clamping groove (303) is formed in the left side of the top of the handrail (2);

the grabbing arm (304) is of a U-shaped structure, and two ends of the U shape are respectively hinged to the left side and the right side of the handrail (2) through bolts.

3. A movable stair railing according to claim 2, wherein: the quantity of pillar (1), recess, elevating system (3) respectively has two, and two the top of fixed block (302) in proper order with the bottom rear side fixed connection of handrail (2).

4. A movable stair railing according to claim 3, wherein: the tops of the two fixing blocks (302) are obliquely arranged.

5. A movable stair railing as claimed in claim 3, wherein: the clamping mechanism (5) comprises:

the tops of the three guardrails (501) are sequentially and fixedly connected with the rear side of the bottom of the handrail (2) and are positioned between the two pillars (1);

the transverse plate (502) is fixedly arranged at the bottoms of the front surfaces of the three guardrails (501);

the bottom ends of the two screw rods (503) are respectively and rotatably connected to the bottom of the transverse plate (502) through a second bearing, and the other screw rod respectively and movably penetrates through two sides of the top of the transverse plate (502) and extends upwards continuously;

two rotating pieces (504) which are respectively and fixedly arranged between the extending ends of the two screw rods (503);

the two sides of the pressure plate (505) are provided with screw holes and are respectively in threaded connection with the two screw rods (503) through the screw holes;

and the tops of the back surfaces of the two clamping blocks (506) are sequentially fixedly connected to the front surface of the pressing plate (505).

6. A movable stair railing as in claim 5 wherein: the back surface of the pressure plate (505) is sequentially in contact connection with the front surfaces of the three guardrails (501).

7. A movable stair railing according to claim 3, wherein: the front surfaces of the two pillars (1) are respectively hinged with two sides of the bottom of the auxiliary plate (6) through hinges.

8. A movable stair railing according to claim 3, wherein: two the bottom of pillar (1) is provided with stair (7), stair (7) are including tread (8), kicking face (9), two the bottom of pillar (1) is fixed mounting respectively on tread (8) of low department and tread (8) of eminence.