CN213262503U - External jacking structure of armrest rod rotating limiting sleeve - Google Patents

Abstract

The utility model discloses a grab bar rotates outer top structure of stop collar, including rotating the regulating spindle, the both ends of rotating the regulating spindle are fixed with the limit stop, it is equipped with two rotation limit collars still to overlap on the rotation regulating spindle, it is equipped with to support tight spring to rotate the regulating spindle and be located the axle body between the rotation limit collar of limit stop and its place one side on the cover, respectively fixedly connected with grab bar on two limit stops, two grab bar parallel arrangement and its central line direction perpendicular to rotate the central line direction of regulating spindle, be provided with the action bars between two grab bars, the both ends of action bars are established on the grab bar through the sliding sleeve cover, the middle part of action bars articulates respectively has two actuating levers, the other end of actuating lever articulates there is the top cap, the top cap cover is established on rotating the regulating spindle with the butt on rotating the limit collar. The utility model discloses simple structure, convenient to use, only single rotation that just can rotate the simultaneous operation bar that the stop collar removed in two operations has improved efficiency.

Description

External jacking structure of armrest rod rotating limiting sleeve

Technical Field

The utility model relates to a handrail frame part, concretely relates to grab bar rotates stop collar and pushes up structure outward.

Background

The hand-push transportation device is usually used to assist the user in transporting various components, so as to solve the problems of inconvenience in carrying about and increasing the load of the user. These hand-propelled transporters generally include a base plate, on the lower side of which are mounted road wheels, and on the rear end of which are mounted a hand rest frame, by means of which a user can drive the movement of the base plate. But different maintainers have different heights, and everybody is when using the handrail frame to carry out the shallow in addition, and the mode and the custom of shallow are also different, so the individual height of handrail frame just can not satisfy all people's demand.

To solve the technical problem, the inventor invents a handrail frame structure of a trolley, which comprises two opposite and spaced rotary adjusting seats, wherein the two rotary adjusting seats are respectively provided with rotary inserting holes which extend along the opposite directions of the two rotary adjusting seats and are arranged on the same central line, rotary limiting sleeves which are arranged on the same central line and are in rotary fit with the rotary inserting holes are inserted into the rotary inserting holes, two ends of each rotary limiting sleeve respectively extend out of the rotary inserting holes, a rotary adjusting shaft which is arranged on the same central line with the rotary limiting sleeves is arranged between the two rotary adjusting seats, two ends of each rotary adjusting shaft respectively penetrate through the rotary limiting sleeve on one side and extend out of the rotary adjusting seat on the other side, the rotary adjusting shaft can be in sliding fit with the rotary limiting sleeves along the central line direction, and limiting lugs which extend along the central line direction of the rotary limiting sleeves are fixedly connected to the inner wall of each rotary limiting sleeve, a limiting groove extending along the extending direction of the rotating adjusting shaft is concavely arranged on the shaft body of the rotating adjusting shaft, the limiting groove is a through groove, a limiting lug is correspondingly matched in the limiting groove so as to be in sliding fit with the limiting groove along the extending direction of the limiting groove, an adjusting ring block annularly arranged around the circumference of the adjusting ring block is formed on the sleeve body of the rotating limiting sleeve and at one end of the rotating limiting sleeve extending out of the rotating adjusting seat, a plurality of adjusting insertion posts are fixedly connected on one side surface of the rotating adjusting seat facing to the side of the adjusting ring block at uniform intervals along the central line direction of the rotating limiting sleeve, the central line direction of the adjusting insertion posts is parallel to the central line direction of the rotating limiting sleeve, a plurality of adjusting insertion holes are uniformly arranged on one side surface of the rotating adjusting seat and corresponding to the adjusting insertion posts at uniform intervals along the central line direction of the rotating insertion holes, and the central line direction of, the number of the adjusting jacks is consistent with that of the adjusting jacks, each adjusting jack can be inserted into the corresponding adjusting jack, the adjusting jacks can be in sliding fit with the adjusting jacks along the direction of the central line of the adjusting jacks, the depth of each adjusting jack is greater than the length of each adjusting jack, two ends of each rotating adjusting shaft are respectively and fixedly connected with a limit stop, each rotating adjusting shaft is sleeved with a resisting spring between the limit stop and an adjusting ring stop on one side of the rotating adjusting shaft, two ends of each resisting spring respectively abut against the limit stop and the adjusting ring stop to provide spring force for the adjusting ring stop to abut against a rotating adjusting seat, and when the rotating limit sleeve moves towards the direction of the limit stop on the side of the rotating limit sleeve, the adjusting jacks can move out of the adjusting jacks;

the two limit stops are respectively and fixedly connected with grab bars, the two grab bars are arranged in parallel, the central line direction of the two grab bars is perpendicular to the central line direction of the rotating adjusting shaft, a connecting fixing rod extending along the relative direction of the two grab bars is arranged between the two grab bars, the two ends of the connecting fixing rod are respectively and fixedly connected to the grab bars on one side of the grab bars, one ends of the two grab bars, far away from the limit stops, are provided with holding rods, the central lines of the holding rods and the central lines of the two grab bars are located on the same plane, the central line direction of the holding rods is perpendicular to the central line direction of the grab bars, one ends of the grab bars, far away from the limit stops, are fixedly connected to the rod bodies of the holding.

When the holding rod height needs to be adjusted, the rotating limiting sleeves on two sides need to be operated simultaneously to move outwards, so that the adjusting inserting columns are adjusted to remove the adjusting inserting holes, and the grab bar can be rotated to achieve the purpose of adjusting the holding rod. However, when the two rotating position-limiting sleeves are operated to move outwards, two hands of a user are required to operate the two rotating position-limiting sleeves respectively, so that the user cannot rotate the grab rail, another person is required to help to rotate the grab rail, and the user needs two persons to operate the grab rail, which is troublesome.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide a grab rail that rotates stop collar outer top structure that easy operation is convenient, but the outside removal of two rotation stop collars of one-hand concurrent operation.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a grab bar rotates stop collar outer bearing structure, including rotating the regulating spindle, the both ends difference fixedly connected with limit stop who rotates the regulating spindle, it is equipped with two rotation stop collars still to overlap on the rotation regulating spindle, two rotate the stop collars and be close to respectively in the both ends of rotating the regulating spindle, it can follow rotation regulating spindle central line direction rather than sliding fit to rotate the stop collar, the axle that rotates the regulating spindle and be located between the rotation stop collar of limit stop and its place one side is on one's body the cover be equipped with and support tight spring, support tight spring's both ends difference butt on its place one side limit stop and rotate the stop collar, respectively fixedly connected with grab bar on two limit stop collars, two grab bar parallel arrangement and its central line direction perpendicular to rotate the central line direction of regulating spindle, its characterized in that: the handrail rod is sleeved with a sliding sleeve which can be in sliding fit with the handrail rod along the direction of the central line of the handrail rod, an operating rod is arranged between the two sliding sleeves, the central line of the operating rod and the central lines of the two handrail rods are positioned on the same plane, the central line direction of the operating rod is vertical to the central line direction of the handrail rod, two ends of the operating rod are respectively and fixedly connected to the sliding sleeve on one side of the operating rod, a hinged support I is fixedly connected to the middle position of the operating rod along the length direction of the operating rod, two driving rods are arranged on the hinged support I, one end of each driving rod is hinged with the hinged support I through a hinged shaft I, the central line direction of the hinged shaft I is vertical to the plane of the two handrail rods, one end of each driving rod, far away from the hinged shaft I, is provided with a top sleeve, a hinged support II is fixed on the sleeve body of the top sleeve, the driving rods are hinged with the hinged support II through a hinged support II, the central line, two apical collars are located two positions of rotating between the stop collar, the apical collar butt is on the rotation stop collar of its place one side, when the action bars moves in rotating the regulating spindle direction, the action bars is in order to make the apical collar promote the outside removal of the rotation stop collar that corresponds so that to rotate the stop collar and compress the abutting spring through the actuating lever drive apical collar, free bearing I is located the action bars towards the one side of rotating the regulating spindle, I fixedly connected with installation double-screw bolt of free bearing on the side of one side of action bars towards, installation double-screw bolt passes too the action bars along the radial direction of action bars, the one end screw-thread fit that installation double-screw bolt stretches out the action bars has mounting nut so that I fastening of free bearing is on the action bars.

When the operation is rotated to the grab rail to needs, the operation pole is operated, make the action bars move towards rotating the regulating spindle direction, at the in-process that the action bars removed, can make two actuating levers rotate and open, the actuating lever just can drive the top cover and outwards remove like this, the top cover top makes on rotating the stop collar and rotates the same outwards removal of stop collar, like this the user just can the one-hand operation action bars in, the rotation of can also operating the grab rail, only alone just can accomplish the adjustment to the grab rail position, it is more simple and convenient to operate.

Preferably, a pedal is arranged on one side, back to the rotation adjusting shaft, of the operating rod, the plane where the pedal is located is parallel to the center line of the operating rod, the pedal is integrally rectangular, the length direction of the pedal extends along the length direction of the operating rod, the pedal and the operating rod are arranged at intervals, a plurality of pedal supports are arranged between the pedal and the operating rod and along the length direction of the operating rod at uniform intervals, and the pedal supports are respectively connected with the pedal and the operating rod to support the pedal. The pedal is arranged, so that the foot can be used for treading more conveniently.

Preferably, the pedal support comprises a support base, the bottom of the support base is fixedly connected to the operating rod, the top of the support base is fixedly connected with rotating supports at intervals along a direction parallel to the operating rod, rotating shafts are arranged between the two rotating supports in an extending manner along the opposite direction, two ends of each rotating shaft are respectively fixedly connected to the rotating supports on which the rotating shafts are arranged, the pedal plate faces to one side surface of the operating rod, positions corresponding to the rotating shafts are respectively and fixedly connected with rotating connecting seats, the rotating connecting seats are sleeved on the rotating shafts and are in rotating fit with the rotating shafts, the support base is respectively provided with reset supporting rods at positions on two sides of the rotating shafts along the central line direction of the rotating shafts, one end of each reset supporting rod penetrates through a rotating fulcrum shaft in rotating fit with the reset supporting rod, and the central line direction of the, the two ends of the rotating shaft fulcrum shaft are bent to form connecting parts to be fixedly connected to the support base, the other end of the reset supporting rod abuts against the side surface of the pedal plate facing to one side of the operating rod, a reset spring in a natural state is arranged between the reset supporting rod and the support base, the two ends of the reset spring are respectively arranged on the reset supporting rod and the support base, when the reset spring is in the natural state, the central line direction of the grab bar is vertical to the plane where the pedal plate is located, the pedal plate faces to the side surface of one side of the operating rod and is positioned at the edge of the pedal plate along the length direction of the pedal plate, blocking strips extending along the length direction of the pedal plate are respectively and fixedly connected, when the reset spring is in the natural state, one end of the reset supporting rod, which is abutted to the pedal plate, is, when the pedal rotates around the rotating shaft towards one side of the pedal, the barrier strip positioned on one side of the rotating direction of the pedal can block the reset supporting rod on one side of the pedal so as to prevent the reset supporting rod from sliding out of the pedal.

Everybody's use habit is different, and the turned angle that the bar used is also different, in order to make the better running-board of trampling of maintainer of messenger's ability of facilitating, when not trampling the running-board, reset spring is in natural state, and the bracing piece butt that resets this moment supports the running-board on the running-board, no matter how the bar rotates like this, the running-board place plane all is mutually perpendicular with the central line of bar. The maintainer goes to trample the running-board with the foot, the direction of its pedal is according to the direction of rotation of bar, and many-sided factors such as maintainer's height decide, no matter which position is stepped on the running-board to maintainer's foot, the running-board can both rotate along with it, when the running-board rotated towards a certain side, the running-board just can push down the operation to the bracing piece that resets of its rotation side, the bracing piece that resets rotates along with the running-board rotates and rotates, reset spring begins to stretch this moment, rotate to maintainer pedal direction until the running-board. After the maintainer pedal operation is accomplished and leaves the running-board, reset spring begins to kick-back, will reset the bracing piece and return, and the bracing piece that resets is at the in-process of gyration, and the gyration is pushing up the running-board until reset spring resumes to natural state, and the running-board resumes initial position again this moment.

Preferably, a layer of anti-skid rubber skin is covered, bonded and fixed on the side face of one side of the pedal plate, which is back to the operating rod, a plurality of fastening bolts are respectively arranged at the positions of the pedal plate, which are close to the side edges of the two sides of the length direction of the pedal plate, at uniform intervals along the extending direction of the edge of the side edge, the screw sections of the fastening bolts sequentially penetrate through the anti-skid rubber skin and the pedal plate along the direction perpendicular to the plane where the pedal plate is located and extend out of one side of the pedal plate, which is back to the anti-skid rubber skin, and fastening nuts are in threaded fit on the screw sections of the fastening bolts, which are located on one side of the pedal plate, which is back to the anti-skid rubber skin. The friction force between the treading surface of the pedal and the sole is increased, and the treading and sliding phenomena are avoided.

As optimization, the bracing piece that resets and be located its length direction's intermediate position and towards in the protruding hook seat I that is formed with in one side of support base direction, the support base is towards protruding hook seat II that is formed with in its one side that corresponds hook seat I, has seted up the hook hole on hook seat I and the hook seat II respectively, reset spring's both ends bending type has become the couple, reset spring's both ends are respectively through the couple hook hang in the hook hole on hook seat I and hook seat II. The installation, the disassembly and the maintenance are convenient.

To sum up, the beneficial effects of the utility model reside in that: the utility model discloses simple structure, convenient to use, only single rotation that just can rotate the simultaneous operation bar that the stop collar removed in two operations has improved efficiency.

Drawings

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of a monorail car transport unit;

FIG. 2 is a schematic structural view of a handrail frame in the monorail car transport device;

FIG. 3 is a schematic view of the structure of the pedal of the monorail car conveyor.

Detailed Description

The single-rail travelling crane transportation device adopting the structure of the utility model is further described in detail with the attached drawings.

As shown in fig. 1 to 3, the monorail travelling crane transportation device in this embodiment includes a base plate 1 having a rectangular structure as a whole, traveling wheels are disposed on the lower surface of the base plate 1 at intervals along the length direction of the base plate, the traveling wheels include wheel bases 2 disposed at intervals along the width direction of the base plate 1 and a monorail wheel 3 located between the two wheel bases 2, the center line of the monorail wheel 3 extends along the opposite direction of the two corresponding wheel bases 2, a wheel shaft is disposed on the monorail wheel 3 along the center line direction thereof and is in rolling fit with the monorail wheel, two ends of the wheel shaft are respectively fixedly connected to the wheel base 2 on the side where the wheel shaft is located, a circle of rolling groove is circumferentially disposed in the middle of the wheel body of the monorail wheel 3 around the circumferential direction thereof for rolling on a monorail, parking devices are respectively disposed on the lower surface of the base plate 1 and outside the two traveling wheels along the width direction of the base plate 1, the parking devices include outer sleeves 4 fixedly connected, the central line direction of the outer sleeve 4 is vertical to the plane of the base plate 1, a plurality of groups of outer inserting pin holes are uniformly arranged on the tube body of the outer sleeve 4 at intervals along the central line direction of the outer sleeve 4, each group of outer inserting pin holes comprises two outer hole bodies which are symmetrically arranged along the central line of the outer sleeve 4 as a symmetry axis, the outer hole bodies extend along the radial direction of the outer sleeve 4 and are communicated with the inner hole of the outer sleeve 4, one end of the outer sleeve 4, far away from the base plate 1, is inserted with the inner sleeve 5 which can be in sliding fit with the inner sleeve along the central line direction of the outer sleeve, the tube body of the inner sleeve 5 and close to one end thereof inserted into the outer sleeve 4 are provided with inner inserting pin holes, each inner inserting pin hole comprises two inner hole bodies which are symmetrically arranged along the central line of the inner sleeve 5, each inner hole body extends along the radial direction of the inner sleeve 5 and is communicated with the inner hole, the diameter of each outer hole body is, two ends of the bolt rod correspondingly penetrate through the outer hole bodies in one group of the outer inserting pin holes and extend out of the outer sleeve 4, clamping rings which are abutted against the tube body of the outer sleeve 4 to limit the bolt rod to move along the central line direction of the outer hole bodies are sleeved on the rod bodies at the two ends of the bolt rod and positioned outside the outer sleeve 4, a threaded hole is formed in the inner hole of the inner sleeve 5 and one end, far away from the outer inserting pin holes, of the inner sleeve 5, an adjusting screw rod 6 in threaded fit with the threaded hole is arranged in the threaded hole, one end of the adjusting screw rod 6 extends out of the inner sleeve 5, one end, far away from the adjusting screw rod, of the adjusting screw rod 6 protrudes outwards along the central line direction of the adjusting screw rod to form a screwing part, at least two screwing surfaces which are parallel to each other and are parallel to the central line of the adjusting screw rod are arranged on the peripheral surface of the screwing part, a, an armrest frame which is convenient for pushing the bottom plate 1 is arranged on one end part of the bottom plate 1 along the length direction.

In the specific embodiment, the handrail frame comprises rotary adjusting seats 8 fixedly connected to the end of the bottom plate 1 and arranged at intervals along the width direction of the bottom plate 1, rotary insertion holes which are identical to the center line and extend along the width direction of the bottom plate 1 are formed in the two rotary adjusting seats 8, rotary limiting sleeves 9 which are identical to the center line and are in rotary fit with the rotary limiting sleeves 9 are inserted into the rotary insertion holes, two ends of each rotary limiting sleeve 9 respectively extend out of the rotary insertion holes, a rotary adjusting shaft 10 which is identical to the rotary limiting sleeve 9 and is arranged on the center line is arranged between the two rotary adjusting seats 8, two ends of each rotary adjusting shaft 10 respectively penetrate through the rotary limiting sleeve 9 on one side and extend out of the rotary adjusting seat 8 on one side, the rotary adjusting shaft 10 can be in sliding fit with the rotary limiting sleeve 9 along the direction of the center line, and a limiting lug which extends along the direction parallel to the center line of the rotary limiting sleeve 9 is fixedly connected to the inner, a limiting groove extending along the extending direction of the rotation adjusting shaft 10 is concavely arranged on the shaft body of the rotation adjusting shaft 10, the limiting groove is a through groove, a limiting lug is correspondingly matched in the limiting groove so as to be in sliding fit with the limiting groove along the extending direction of the limiting groove, an adjusting ring block annularly arranged around the circumference of the adjusting ring block is convexly formed at one end of the sleeve body of the rotation limiting sleeve 9 extending out of the rotation adjusting seat 8, a plurality of adjusting insertion posts are fixedly connected on one side surface of the rotation adjusting seat 8 facing to the side of the adjusting ring block at uniform intervals along the central line direction of the rotation limiting sleeve 9, the central line direction of the adjusting insertion posts is parallel to the central line direction of the rotation limiting sleeve 9, a plurality of adjusting insertion holes are uniformly arranged on the side surface of one side of the rotation adjusting seat 8 corresponding to the adjusting insertion posts at intervals along the central line direction of the rotation inserting holes, and the central line direction of the adjusting insertion holes, the number of the adjusting jacks is consistent with that of the adjusting jacks, each adjusting jack can be inserted into the corresponding adjusting jack, the adjusting jacks can be in sliding fit with the adjusting jacks along the direction of the center line of the adjusting jacks, the depth of each adjusting jack is larger than the length of each adjusting jack, two ends of a rotating adjusting shaft 10 are respectively and fixedly connected with limit stops 11, the rotating adjusting shaft 10 is sleeved with a resisting spring 12 between the limit stops 11 and an adjusting ring stop on one side where the resisting spring 12 is located, two ends of the resisting spring 12 respectively abut against the limit stops 11 and the adjusting ring stop to provide spring force for the adjusting ring stop to abut against a rotating adjusting seat 8, and when the rotating limiting sleeve 9 moves towards the limit stop 11 on the side where the rotating limiting sleeve is located, the adjusting jacks can move out of the adjusting jacks;

the two limit stops 11 are respectively and fixedly connected with grab bars 13, the two grab bars 13 are arranged in parallel, the central line direction of the two grab bars 13 is perpendicular to the central line direction of the rotation adjusting shaft 10, a connecting fixing rod 14 extending along the opposite direction of the two grab bars 13 is arranged between the two grab bars 13, two ends of the connecting fixing rod 14 are respectively and fixedly connected to the grab bar 13 on one side of the connecting fixing rod, one end, away from the limit stops 11, of the two grab bars 13 is provided with a holding rod 15, the central line of the holding rod 15 and the central line of the two grab bars 13 are located on the same plane, the central line direction of the holding rod 15 is perpendicular to the central line direction of the grab bar 13, one end, away from the limit stops 11, of the grab bar 13 is fixedly connected to the rod body of the holding rod 15.

In this embodiment, the grab bar 13 is located the limit stop 11 and the rod body between the fixed connecting rods 14 is sleeved with a sliding sleeve 16 which can be along the central line direction of the grab bar 13 and is in sliding fit with the grab bar, an operating rod 17 is arranged between the two sliding sleeves 16, the central line of the operating rod 17 and the central line of the grab bar 13 are located on the same plane, the central line direction of the operating rod 17 is perpendicular to the central line direction of the grab bar 13, two ends of the operating rod 17 are respectively and fixedly connected to the sliding sleeves 16 on one side where the operating rod 17 is located, a hinged support i is fixedly connected to the operating rod 17 along the middle position of the length direction of the operating rod, two driving rods 18 are arranged on the hinged support i, one end of each driving rod 18 is hinged with the hinged support i through the hinged support i, the central line of the hinged support i is perpendicular to the two planes where the grab bar 13 is located, and one end, the cover body of the top sleeve 19 is fixed with a hinged support II, the driving rod 18 is hinged with the hinged support II through a hinged shaft II, the central line direction of the hinged shaft I is parallel to the central line direction of the hinged shaft II, the top sleeve 19 is sleeved on the rotation adjusting shaft 10 to be capable of following the length direction of the rotation adjusting shaft 10 and be in sliding fit with the rotation adjusting shaft, the two top sleeves 19 are positioned at two positions between the rotation limiting sleeves 9, when the operating rod 17 moves towards the direction of the rotation adjusting shaft 10, the operating rod 17 drives the top sleeves 19 through the driving rod 18 to enable the top sleeves 19 to push the corresponding rotation limiting sleeves 9 to move outwards so that the adjustment inserting columns move out of the adjustment inserting holes, the hinged support I is positioned at one side of the operation rod 17 towards the rotation adjusting shaft 10, the hinged support I is fixedly connected with an installation stud on the side surface of one side of the operation rod 17, and the installation stud passes through the operating rod 17 in the radial direction, the end of the mounting stud extending beyond the operating rod 17 is screw fitted with a mounting nut to secure the anchor i to the operating rod 17.

In this embodiment, a pedal 20 is disposed on a side of the operating rod 17 opposite to the rotation adjusting shaft 10, a plane of the pedal 20 is parallel to a central line of the operating rod 17, the pedal 20 is rectangular and extends along a length direction of the operating rod 17, the pedal 20 is spaced from the operating rod 17, a plurality of pedal brackets are disposed between the pedal 20 and the operating rod 17 and along the length direction of the operating rod 17 at regular intervals, and the pedal brackets are respectively connected to the pedal 20 and the operating rod 17 to support the pedal 20.

In this embodiment, the pedal support includes a support base 21, the bottom of the support base 21 is fixedly connected to the operating rod 17, the top of the support base 21 is fixedly connected to the rotating supports 22 at intervals along a direction parallel to the operating rod 17, a rotating shaft is disposed between the two rotating supports 22 along the opposite direction, two ends of the rotating shaft are respectively fixedly connected to the rotating supports 22 where the rotating shaft is disposed, the pedal plate 20 faces the side surface of one side of the operating rod 17 and is respectively and fixedly connected to a rotating connecting seat 23 corresponding to the position of each rotating shaft, the rotating connecting seat 23 is sleeved on the rotating shaft and is rotatably matched with the rotating shaft, the support base 21 and the positions at two sides of the rotating shaft along the central line direction thereof are respectively provided with a reset supporting rod 24, one end of the reset supporting rod 24 passes through a rotating fulcrum 25 rotatably matched with the reset supporting rod, the central line direction of the rotating fulcrum 25 is parallel, two ends of the rotating shaft fulcrum 25 are bent to form a connecting part to be fixedly connected to the bracket base 21, the other end of the reset support rod 24 abuts against one side surface of the pedal plate 20 facing the operating rod 17, a reset spring 26 in a natural state is arranged between the reset support rod 24 and the bracket base 21, two ends of the reset spring 26 are respectively installed on the reset support rod 24 and the bracket base 21, when the reset spring 26 is in the natural state, the central line direction of the grab bar 13 is perpendicular to the plane of the pedal plate 20, the pedal plate 20 faces one side surface of the operating rod 17 and is positioned at the edge of the pedal plate 20 along the length direction thereof, a blocking strip 27 extending along the length direction of the pedal plate 20 is respectively and fixedly connected to the edge of the pedal plate 20 along the length direction, when the reset spring 26 is in the natural state, one end of the reset support rod 24 abutting against the pedal plate 20 is arranged at a distance from the blocking strip, when the pedal 20 rotates around the rotation axis toward one side thereof, the barrier strip 27 on one side of the rotation direction of the pedal 20 can block the reset support rod 24 on the side thereof to prevent the reset support rod 24 from sliding out of the pedal 20.

In this embodiment, a side surface of the pedal plate 20 facing away from the operating rod 17 is covered, bonded and fixed with a layer of anti-slip rubber skin, the pedal plate 20 and positions close to the side edges on both sides of the length direction of the pedal plate are respectively provided with a plurality of fastening bolts at uniform intervals along the extending direction of the edge of the side edge, screw sections of the fastening bolts sequentially penetrate through the anti-slip rubber skin and the pedal plate 20 along a direction perpendicular to the plane of the pedal plate 20 and extend out of one side of the pedal plate 20 facing away from the anti-slip rubber skin, and fastening nuts are screwed on the screw sections of the fastening bolts located on one side of the pedal plate 20 facing away from the anti-slip rubber skin for fastening the anti-slip rubber skin on the pedal plate 20.

In this embodiment, the bracing piece that resets 24 and be located its length direction's intermediate position and towards one side arch of support base 21 direction is formed with hook seat I, support base 21 is formed with hook seat II towards its one side arch that corresponds hook seat I, has seted up the hook hole on hook seat I and the hook seat II respectively, reset spring 26's both ends are buckled and are formed with the couple, reset spring 26's both ends are respectively through the couple hook in the hook hole of hanging on hook seat I and hook seat II.

Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the invention, and that, while the invention has been described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (5)

1. The utility model provides a grab bar rotates stop collar outer bearing structure, including rotating the regulating spindle, the both ends difference fixedly connected with limit stop who rotates the regulating spindle, it is equipped with two rotation stop collars still to overlap on the rotation regulating spindle, two rotate the stop collars and be close to respectively in the both ends of rotating the regulating spindle, it can follow rotation regulating spindle central line direction rather than sliding fit to rotate the stop collar, the axle that rotates the regulating spindle and be located between the rotation stop collar of limit stop and its place one side is on one's body the cover be equipped with and support tight spring, support tight spring's both ends difference butt on its place one side limit stop and rotate the stop collar, respectively fixedly connected with grab bar on two limit stop collars, two grab bar parallel arrangement and its central line direction perpendicular to rotate the central line direction of regulating spindle, its characterized in that: the handrail rod is sleeved with a sliding sleeve which can be in sliding fit with the handrail rod along the direction of the central line of the handrail rod, an operating rod is arranged between the two sliding sleeves, the central line of the operating rod and the central lines of the two handrail rods are positioned on the same plane, the central line direction of the operating rod is vertical to the central line direction of the handrail rod, two ends of the operating rod are respectively and fixedly connected to the sliding sleeve on one side of the operating rod, a hinged support I is fixedly connected to the middle position of the operating rod along the length direction of the operating rod, two driving rods are arranged on the hinged support I, one end of each driving rod is hinged with the hinged support I through a hinged shaft I, the central line direction of the hinged shaft I is vertical to the plane of the two handrail rods, one end of each driving rod, far away from the hinged shaft I, is provided with a top sleeve, a hinged support II is fixed on the sleeve body of the top sleeve, the driving rods are hinged with the hinged support II through a hinged support II, the central line, two apical collars are located two positions of rotating between the stop collar, the apical collar butt is on the rotation stop collar of its place one side, when the action bars moves in rotating the regulating spindle direction, the action bars is in order to make the apical collar promote the outside removal of the rotation stop collar that corresponds so that to rotate the stop collar and compress the abutting spring through the actuating lever drive apical collar, free bearing I is located the action bars towards the one side of rotating the regulating spindle, I fixedly connected with installation double-screw bolt of free bearing on the side of one side of action bars towards, installation double-screw bolt passes too the action bars along the radial direction of action bars, the one end screw-thread fit that installation double-screw bolt stretches out the action bars has mounting nut so that I fastening of free bearing is on the action bars.

2. The grab rail rotation limiting sleeve outer top structure of claim 1, characterized in that: the pedal is arranged on one side, back to the rotating adjusting shaft, of the operating rod, the plane where the pedal is located is parallel to the center line of the operating rod, the whole pedal is rectangular, the length direction of the pedal extends along the length direction of the operating rod, the pedal and the operating rod are arranged at intervals, a plurality of pedal supports are arranged between the pedal and the operating rod and along the length direction of the operating rod at intervals, and the pedal supports are connected with the pedal and the operating rod respectively to support the pedal.

3. The grab rail rotation limiting sleeve outer top structure of claim 2, characterized in that: the pedal support comprises a support base, the bottom of the support base is fixedly connected to the operating rod, the top of the support base is fixedly connected with rotating supports at intervals along the direction parallel to the operating rod, rotating shafts are arranged between the two rotating supports in an extending mode along the opposite direction, two ends of each rotating shaft are respectively fixedly connected to the rotating supports where the rotating shafts are arranged, the pedal plate faces to one side face of the operating rod and is respectively and fixedly connected with a rotating connecting seat corresponding to the position of each rotating shaft, the rotating connecting seats are sleeved on the rotating shafts and are in rotating fit with the rotating shafts, reset supporting rods are respectively arranged on the support base and are positioned at two sides of each rotating shaft along the central line direction of the rotating shafts, one end of each reset supporting rod penetrates through a rotating fulcrum shaft in rotating fit with the reset supporting rod, the central line direction of each rotating fulcrum shaft is parallel to the central line direction of the, the other end of the reset support rod is abutted against the side face, facing the operating rod, of the pedal plate, a reset spring in a natural state is arranged between the reset support rod and the support base, two ends of the reset spring are respectively installed on the reset support rod and the support base, when the reset spring is in the natural state, the central line direction of the handrail rod is perpendicular to the plane where the pedal plate is located, the pedal plate faces the side face, facing the operating rod, of one side and located at the edge of the pedal plate along the length direction of the pedal plate are respectively and fixedly connected with blocking strips extending along the length direction of the pedal plate, when the reset spring is in the natural state, one end, abutting against the pedal plate, of the reset support rod and the blocking strips on the side where the reset support rod is located are arranged at intervals, and when the pedal plate rotates around the rotating shaft and faces one side of the rotating shaft, the blocking strips on one side of the pedal plate And the reset support rod is prevented from sliding out of the pedal.

4. The grab rail rotation limiting sleeve outer top structure of claim 3, characterized in that: the pedal is characterized in that one side face, back to the operating rod, of the pedal is covered, bonded and fixed with one layer of anti-skid rubber skin, the positions, close to the side edges of the two sides of the length direction of the pedal, of the pedal are respectively provided with a plurality of fastening bolts at uniform intervals along the extending direction of the edges of the side edges, the screw sections of the fastening bolts sequentially penetrate through the anti-skid rubber skin and the pedal in the plane direction perpendicular to the pedal, stretch out of one side, back to the anti-skid rubber skin, of the pedal, and fastening nuts are matched with the screw sections, back to the anti-skid rubber skin, of the pedal in a threaded mode, and are used for fastening the anti-skid rubber skin on the pedal.

5. The grab rail rotation limiting sleeve outer top structure of claim 3, characterized in that: reset support pole and be located its length direction's intermediate position and towards in the protruding hook seat I that is formed with in one side of support base direction, the support base is formed with hook seat II towards its one side arch that corresponds hook seat I, has seted up the hook hole on hook seat I and the hook seat II respectively, reset spring's both ends are buckled and are formed with the couple, reset spring's both ends are respectively through the couple hook hang in the hook hole on hook seat I and hook seat II.

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