CN211619729U - Step fixing buckle - Google Patents

Abstract

The utility model discloses a buckle is fixed to step, including step axle and step, the step cup joints the outer wall at the step axle, first semicircle knot has all been cup jointed to the outer wall bottom left side both sides of step axle, the second semicircle knot has all been cup jointed to the outer wall top left and right sides of step axle, first semicircle is detained and is detained the rotation through round pin axle and second semicircle and link to each other. This buckle is fixed to step has following advantage for traditional technique: through the cooperation between step axle, the step, first semicircle is detained, second semicircle is detained, round pin axle and the tightening mechanism, can play limiting displacement to a thread section of thick bamboo because of the inserted bar, can effectually prevent that a thread section of thick bamboo from taking place the rotation, and then avoid first semicircle to detain and second semicircle to detain and step axle between not hard up the condition emergence, joint strength can ensure, ensure that the step is fixed on the step axle reliably, reduced the step and removed the risk that leads to the striking accident, passenger's factor of safety has obtained the enhancement.

Description

Step fixing buckle

Technical Field

The utility model relates to a step buckle technical field specifically is a step fixing buckle.

Background

The escalator is a transportation tool for transporting pedestrians in a transportation belt mode, the escalator is generally inclined, a step which is automatically walked by a pedestrian at one end of the escalator can be automatically taken to the other end of the escalator, the step can be kept horizontal all the way on the way, a through hole is formed on the end part of the step of the escalator, a step shaft passes through the through hole on the end part of the step, step fixing buckles are respectively arranged on two sides of the step, the step fixing buckles are sleeved on the step shaft, the step fixing buckles can be tightly held on the step shaft by screwing bolts and nuts on the step fixing buckles, so that the step is fixed on the step shaft, the step cannot move left and right along the axial direction of the step shaft, certain defects still exist in the using process of the existing step fixing buckles at present, although the torsion at the abutting part of buckle threads is improved, the situation that the nuts can rotate in the using process still exists, the fixed buckle of step can appear becoming flexible the condition appearance promptly, then the stability of step can not obtain better guarantee, and passenger's factor of safety remains to be strengthened.

And the contact surface between buckle inner wall and the step axle outer wall is the face and supports tight contact mode, and frictional force between is more limited, is unfavorable for the stability between buckle and the step axle, and the joint strength between buckle and the step axle needs to be strengthened promptly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a buckle is fixed to step to solve the fixed buckle of current step that proposes in the above-mentioned background art and still having certain drawback in the use, though accomplish to improve the torsion that the buckle screw supported tight department, but still there is the condition that the rotation probably takes place to the nut in the use and appears, the fixed buckle of step can appear not hard up the condition promptly, then the stability of step can not obtain better guarantee, passenger's factor of safety remains to strengthen the problem.

In order to achieve the above object, the utility model provides a following technical scheme: a step fixing buckle comprises a step shaft and steps, wherein the steps are sleeved on the outer wall of the step shaft, first semicircular buckles are sleeved on the two sides of the left side of the bottom end of the outer wall of the step shaft, second semicircular buckles are sleeved on the left side and the right side of the top end of the outer wall of the step shaft, the first semicircular buckles are rotatably connected with the second semicircular buckles through hinge pins, the inner side surfaces of the first semicircular buckles and the second semicircular buckles are attached to the steps, and tightening mechanisms are arranged on the front sides of the first semicircular buckles and the second semicircular buckles;

the tightening mechanism comprises a through groove, a square block, a pin rod, a screw rod, a threaded cylinder, a gasket, a jack, an inserted rod, an inclined block and a vertical plate;

it is a plurality of lead to the groove and set up respectively at the front end portion that first semicircle was detained and the semicircle of second was detained, the bottom the inside that leads to the groove is equipped with the square, the square passes through the pin rod and links to each other with the rotation of first semicircle knot, the top rigid coupling of square has the screw rod, the outer wall top threaded connection of screw rod has a screw thread section of thick bamboo, the gasket has been cup jointed at the outer wall center of screw rod, the upper surface and the screw thread section of thick bamboo of gasket offset tightly, the lower surface and the semicircle of gasket are detained and are kept out tightly, the jack has all been opened to the front surface bottom left and right sides of screw thread section of thick bamboo, the riser is located the left side of screw thread section of thick bamboo, the bottom and the semicircle of riser are detained fixedly and are linked to each other, the inserted bar runs through the screw thread section of thick bamboo.

Preferably, the top end of the outer wall of the threaded cylinder is provided with a trapezoidal groove.

Preferably, the upper surface and the lower surface of the gasket are both provided with grinding grains.

Preferably, the inner side surfaces of the first semicircular buckle and the second semicircular buckle are provided with abutting layers;

the abutting layer comprises an arc-shaped groove, a rubber strip, an arc-shaped plate and a conical block;

it is a plurality of the inboard surface that first semicircle was detained and second semicircle was detained is seted up respectively to the arc wall, the inside tip rigid coupling of arc wall has the rubber strip, the another side rigid coupling of rubber strip has the arc, the inboard surface equidistance distribution rigid coupling of arc has a plurality of awl pieces, the awl piece offsets tightly with the outer wall of step axle.

Preferably, the front surface of the rubber strip is provided with a plurality of through holes.

Preferably, the radian of the arc surface formed at the bottom end of each cone block is the same as the radian of the outer wall of the step shaft.

Compared with the prior art, the beneficial effects of the utility model are that: this buckle is fixed to step has following advantage for traditional technique: through the step axle, the step, first semicircle is detained, second semicircle is detained, the cooperation between round pin axle and the tightening mechanism, link to each other screw thread section of thick bamboo and screw rod screw thread, the gasket is detained the back with screw thread section of thick bamboo and second semicircle respectively, run through screw thread section of thick bamboo and riser with two inserted bars respectively through two jacks, make the sloping block in the inserted bar outer wall outside be located the riser inboard, the period can play limiting displacement to the screw thread section of thick bamboo because of the inserted bar, can effectually prevent the rotation of screw thread section of thick bamboo, and then avoid the condition emergence of becoming flexible between first semicircle knot and the second semicircle knot and the step axle, joint strength can be ensured, ensure that the step is fixed on the step axle reliably, the risk that the step removed and lead to the striking accident has been reduced, passenger's factor of safety has.

Through the step axle, the step, first semicircle is detained, the second semicircle is detained, the round pin axle, the cooperation between tight mechanism and the support layer, a screw thread section of thick bamboo and screw rod threaded connection gasket detain the counterbalance with a screw thread section of thick bamboo and second semicircle respectively, a plurality of awl pieces all can counterbalance tightly with the outer wall of step axle, the rubber strip is in compression state this moment, and the slipmat of the inboard surface of awl piece, frictional force between increase awl piece that can be obvious and the step axle, then can increase first semicircle and detain and the second semicircle knot and the step axle between the joint strength, further increase detain with the step axle between stable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial left side cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the connection structure of the second semicircular buckle, the thread cylinder and the vertical plate in FIG. 2;

FIG. 4 is a schematic view of a connection structure of the first semicircular buckle, the second semicircular buckle and the screw of FIG. 1;

FIG. 5 is a schematic view of a connection structure of the step shaft, the second semicircular buckle and the abutting layer in FIG. 1;

FIG. 6 is a top view of the shim of FIG. 3;

fig. 7 is a top view of the second button half of fig. 2.

In the figure: 1. step shaft, 2, step, 3, first semicircle buckle, 4, second semicircle buckle, 5, pin shaft, 6, tightening mechanism, 601, through groove, 602, square, 603, pin rod, 604, screw rod, 605, threaded cylinder, 606, gasket, 607, jack, 608, inserted bar, 609, sloping block, 610, riser, 7, abutting layer, 701, arc groove, 702, rubber strip, 703, arc plate, 704, taper block, 8, through hole.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a step fixing buckle comprises a step shaft 1 and a step 2, wherein the step 2 is sleeved on the outer wall of the step shaft 1, first semicircular buckles 3 are sleeved on two sides of the left side of the bottom end of the outer wall of the step shaft 1, second semicircular buckles 4 are sleeved on two sides of the top end of the outer wall of the step shaft 1, the first semicircular buckles 3 are rotatably connected with the second semicircular buckles 4 through pin shafts 5, inner side surfaces of the first semicircular buckles 3 and the second semicircular buckles 4 are attached to the step 2, tightening mechanisms 6 are arranged on the front sides of the first semicircular buckles 3 and the second semicircular buckles 4, each tightening mechanism 6 comprises a through groove 601, a square 602, a pin rod 603, a screw rod 604, a threaded cylinder 605, a gasket 606, a jack 607, an insert rod 608, an inclined block 609 and a vertical plate 610, the through grooves 601 are respectively arranged at the front side ends of the first semicircular buckles 3 and the second semicircular buckles 4, the through grooves 602 are arranged in the bottom ends of the through grooves 601, the square 602 is rotatably connected with the first semicircular buckle 3 through a pin 603, the square 602 can rotate by taking the pin 603 as a center, the top end of the square 602 is fixedly connected with a screw 604, the top end of the outer wall of the screw 604 is in threaded connection with a threaded cylinder 605, the center of the outer wall of the screw 604 is sleeved with a gasket 606, the upper surface of the gasket 606 is abutted against the threaded cylinder 605, the lower surface of the gasket 606 is abutted against the second semicircular buckle 4, the thickness of the gasket 606 is not a fixed value, by adjusting the specific thickness of the gasket 606, a circular hole formed in a vertical plate 610 can be adjusted to be parallel to the central point of a socket 607 so as to facilitate one side of a plug-in rod 608 to pass through, sockets 607 are formed in the left side and the right side of the bottom end of the front surface of the threaded cylinder 605, the vertical plate 610 is positioned on the left side of the threaded cylinder 605, the bottom end of the vertical plate 610 is fixedly connected with the, the outer wall of inserted bar 608 and the inner wall clearance fit of jack 607, a part of inserted bar 608 runs through riser 610, the outer wall and the riser 610 clearance fit of inserted bar 608, a plurality of sloping blocks 609 are processed to the outer wall outside of inserted bar 608, and inserted bar 608 and sloping block are made of PVC material, have certain toughness and higher intensity, sloping block 609 offsets tightly with riser 610, the outer wall top of screw thread section of thick bamboo 605 is seted up the dovetail groove, are convenient for exert the rotational force to screw thread section of thick bamboo 605, the upper and lower two sides of gasket 606 all are processed and are ground the line to increase the frictional force of the upper and lower two sides of gasket 606.

The inner side surfaces of the first semicircular buckle 3 and the second semicircular buckle 4 are provided with a tight supporting layer 7, the tight supporting layer 7 comprises an arc-shaped groove 701, a rubber strip 702, an arc-shaped plate 703 and conical blocks 704, the arc-shaped grooves 701 are respectively arranged on the inner side surfaces of the first semicircular buckle 3 and the second semicircular buckle 4, the inner end part of the arc-shaped groove 701 is fixedly connected with the rubber strip 702, the other side of the rubber strip 702 is fixedly connected with the arc-shaped plate 703, the rubber strip 702 is made of rubber and has certain toughness, the inner end part of the arc-shaped groove 701 and the arc-shaped plate 703 are fixedly connected through HY-308 glue, the inner side surface of the arc-shaped plate 703 is fixedly distributed and fixedly connected with a plurality of conical blocks 704 in an equidistance manner, the inner side part of each conical block 704 is fixedly connected with an anti-skid pad which is made of rubber and has certain toughness, the friction force at the bottom end of each conical block 704 can be obviously increased, and the conical blocks 704 are tightly abutted, the front surface of rubber strip 702 is opened has a plurality of through-holes 8, and through-hole 8 can increase the toughness of rubber strip 702, every the cambered surface radian that the awl piece 704 bottom formed is the same with the outer wall radian of step axle 1 to it is all inconsistent tightly with the outer wall of step axle 1 to ensure every awl piece 704.

When the step fixing buckle is used, the two first semicircular buckles 3 and the second semicircular buckles 4 are respectively sleeved on the left side and the right side of the outer wall of the step shaft 1, so that the two first semicircular buckles 3 and the second semicircular buckles 4 are respectively attached to the outer side surface of the step 2, then the screw 604 is rotated to the inside of the through groove 601 formed at the front end of the second semicircular buckle 4, the threaded cylinder 605 is rotated clockwise, the upper surface and the lower surface of the gasket 606 are respectively abutted against the threaded cylinder 605 and the second semicircular buckle 4, meanwhile, a plurality of conical blocks 704 on the inner side surfaces of the first semicircular buckle 3 and the second semicircular buckle 4 are abutted against the outer wall of the step shaft 1, at the moment, the rubber strip 702 is in a compressed state, the abutting strength between the conical blocks and the step shaft 1 can be obviously increased, and the connecting strength between the first semicircular buckle 3 and the second semicircular buckle 4 and the step shaft 1 can be further increased, then, the two insert rods 608 respectively penetrate through the thread cylinders 605 through the two insertion holes 607, the insert rods 608 penetrate through the vertical plates 610, the inclined blocks 609 on the outer sides of the outer walls of the insert rods 608 are located on the inner sides of the vertical plates 610 to prevent the insert rods 608 from falling off, the insert rods 608 can limit the thread cylinders 605 during the process, the thread cylinders 605 can be effectively prevented from rotating, further, the situation that the first semicircular buckle 3 and the second semicircular buckle 4 are loosened from the step shaft 1 is avoided, the connection strength is guaranteed, the step 2 is reliably fixed on the step shaft 1, the risk of collision accidents caused by movement of the step 2 is reduced, and the personal safety of passengers is protected.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a buckle is fixed to step, includes step axle (1) and step (2), step (2) cup joint the outer wall at step axle (1), its characterized in that: the left sides of the bottom end of the outer wall of the step shaft (1) are respectively sleeved with a first semicircular buckle (3), the left sides of the top end of the outer wall of the step shaft (1) are respectively sleeved with a second semicircular buckle (4), the first semicircular buckle (3) is rotatably connected with the second semicircular buckle (4) through a pin shaft (5), the inner side surfaces of the first semicircular buckle (3) and the second semicircular buckle (4) are respectively attached to the step (2), and the front sides of the first semicircular buckle (3) and the second semicircular buckle (4) are provided with a tightening mechanism (6);

the tightening mechanism (6) comprises a through groove (601), a square block (602), a pin rod (603), a screw rod (604), a threaded cylinder (605), a gasket (606), a jack (607), an inserted link (608), an inclined block (609) and a vertical plate (610);

the through grooves (601) are respectively arranged at the front end parts of the first semicircular buckle (3) and the second semicircular buckle (4), a square block (602) is arranged in the through groove (601) at the bottom end, the square block (602) is rotationally connected with the first semicircular buckle (3) through a pin rod (603), a screw rod (604) is fixedly connected to the top end of the square block (602), a threaded cylinder (605) is connected to the top end of the outer wall of the screw rod (604) in a threaded manner, a gasket (606) is sleeved at the center of the outer wall of the screw rod (604), the upper surface of the gasket (606) is tightly abutted to the threaded cylinder (605), the lower surface of the gasket (606) is tightly abutted to the second semicircular buckle (4), jacks (607) are respectively arranged at the left side and the right side of the bottom end of the front surface of the threaded cylinder (605), the vertical plate (610) is positioned at the left side of the threaded cylinder (605), and the bottom end of the vertical plate (610) is fixedly connected, the insert rod (608) penetrates through the threaded cylinder (605) through an insertion hole (607), a part of the insert rod (608) penetrates through a vertical plate (610), a plurality of inclined blocks (609) are machined on the outer side of the outer wall of the insert rod (608), and the inclined blocks (609) are abutted to the vertical plate (610).

2. The step securing clasp of claim 1, wherein: the top end of the outer wall of the thread cylinder (605) is provided with a trapezoidal groove.

3. The step securing clasp of claim 1, wherein: the upper surface and the lower surface of the gasket (606) are both provided with grinding grains.

4. The step securing clasp of claim 1, wherein: the inner side surfaces of the first semicircular buckle (3) and the second semicircular buckle (4) are provided with abutting layers (7);

the abutting layer (7) comprises an arc-shaped groove (701), a rubber strip (702), an arc-shaped plate (703) and a conical block (704);

a plurality of arc wall (701) are seted up respectively at first semicircle and are detained the inboard surface of (3) and second semicircle knot (4), the inside tip rigid coupling of arc wall (701) has rubber strip (702), the another side rigid coupling of rubber strip (702) has arc (703), the inboard surface equidistance distribution rigid coupling of arc (703) has a plurality of awl pieces (704), awl piece (704) are inconsistent with the outer wall of step axle (1).

5. The step attachment clip of claim 4, wherein: the front surface of the rubber strip (702) is provided with a plurality of through holes (8).

6. The step attachment clip of claim 4, wherein: the radian of an arc surface formed at the bottom end of each conical block (704) is the same as that of the outer wall of the step shaft (1).

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