CN210521236U

CN210521236U - Rope retracting mechanism for wheelchair positioning device and wheelchair positioning device

Info

Publication number: CN210521236U
Application number: CN201920081558.5U
Authority: CN
Inventors: 董双利
Original assignee: Tianjin Fengning Mechanical And Electrical Products Co ltd
Current assignee: Tianjin Fengning Mechanical And Electrical Products Co ltd
Priority date: 2019-01-18
Filing date: 2019-01-18
Publication date: 2020-05-15
Anticipated expiration: 2029-01-18

Abstract

The utility model discloses a rope jack for wheelchair positioner, rope jack, include: the spring piece is characterized by comprising two symmetrically-connected circular shaft blocks, gears are arranged on the end faces of the outer sides of the circular shaft blocks, annular blocks are arranged on the end faces of the inner sides of the circular shaft blocks, gear shaft holes are formed in the middle of the circular shaft blocks, inner spring piece cavities are formed in the annular blocks of the two circular shaft blocks, sliding shafts penetrate through the gear shaft holes of the two circular shaft blocks and are in sliding connection with the gear shaft holes, spiral inner spring pieces are arranged in the inner spring piece cavities, one ends of the inner spring pieces are connected with the annular blocks, the other ends of the inner spring pieces are connected with the sliding shafts, ropes are wound between the. Correspondingly, this application still provides a wheelchair positioner. When the rope is pulled, the round shaft block rotates, so that the inner spring piece deforms, and when the rope is loosened, the round shaft block automatically rotates to wind and retract the rope through the force generated by deformation of the inner spring piece.

Description

Rope retracting mechanism for wheelchair positioning device and wheelchair positioning device

Technical Field

The utility model relates to a wheelchair positioner technical field especially relates to a rope jack and wheelchair positioner for wheelchair positioner.

Background

In hospitals, nursing homes and other occasions where old people are more, wheelchairs are frequently used as walking tools for people with mobility disabilities, and the wheelchairs need to be positioned by using a wheelchair positioning device at the places where the wheelchairs are stored, so that the wheelchairs can be better managed.

Disclosure of Invention

The utility model aims at providing a rope jack and wheelchair positioner for wheelchair positioner.

In order to realize the utility model discloses a purpose, the utility model provides a rope jack for wheelchair positioner, rope jack, include: the spring piece is characterized by comprising two symmetrically-connected circular shaft blocks, gears are arranged on the end faces of the outer sides of the circular shaft blocks, annular blocks are arranged on the end faces of the inner sides of the circular shaft blocks, gear shaft holes are formed in the middle of the circular shaft blocks, inner spring piece cavities are formed in the annular blocks of the two circular shaft blocks, sliding shafts penetrate through the gear shaft holes of the two circular shaft blocks and are in sliding connection with the gear shaft holes, spiral inner spring pieces are arranged in the inner spring piece cavities, one ends of the inner spring pieces are connected with the annular blocks, the other ends of the inner spring pieces are connected with the sliding shafts, ropes are wound between the.

Correspondingly, the application also provides a wheelchair positioning device which comprises the rope retracting and releasing mechanism for the wheelchair positioning device.

Compared with the prior art, the beneficial effects of the utility model are that, when the pull rope, circular axle piece is rotatory for interior spring leaf is out of shape, when loosening the rope, warp the power that produces through interior spring leaf, makes circular axle piece rotatory by oneself withdraw the rope winding.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a schematic view of the cord installation configuration of the present application;

FIG. 3 is a first schematic view of the structure of the detent mechanism of the present application;

FIG. 4 is a second schematic view of the construction of the detent mechanism of the present application;

FIG. 5 is a third schematic view of the construction of the detent mechanism of the present application;

FIG. 6 is a fourth schematic view of the pawl mechanism of the present application;

FIG. 7 is a schematic view of the cover plate structure mechanism of the present application;

fig. 8 shows a first schematic view of the structure of the rope retraction and release mechanism of the present application;

fig. 9 shows a second schematic view of the structure of the rope reel of the present application;

FIG. 10 is a schematic view of the underside of the present application;

FIG. 11 is a schematic structural view of the locking hook of the present application;

fig. 12 is a schematic structural view of the ratchet-pawl mechanism of the present application.

In the figure, 1-handle, 2-first guide wheel, 3-hook, 4-first pawl, 5-first ratchet wheel, 6-second ratchet wheel, 7-second pawl, 8-second guide wheel, 9-bottom shell plate, 10-second rope, 11-first rope, 12-third rope, 13-fourth rope, 103-pulling plate, 101-connecting block, 102-draw bar, 104-base block, 14-transition plate, 15-round shaft block, 16-inner spring leaf, 17-first upper cover plate, 18-second upper cover plate, 19-side cover plate, 20-middle cover plate, 21-longitudinal shell plate, 501-pawl frame and 502-torsion spring.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that "connected" and words used in this application to express "connected," such as "connected," "connected," and the like, include both direct connection of one element to another element and connection of one element to another element through another element.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when used in this specification the singular forms "a", "an" and/or "the" include "specify the presence of stated features, steps, operations, elements, or modules, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …", "above … …", "above … …", "above", and the like, may be used herein for ease of description to describe the spatial relationship of one component or module or feature to another component or module or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the component or module in use or operation in addition to the orientation depicted in the figures. For example, if a component or module in the figures is turned over, components or modules described as "above" or "above" other components or modules or configurations would then be oriented "below" or "beneath" the other components or modules or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The components or modules may also be oriented in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

As shown in fig. 1-12, the present invention provides a wheelchair positioning device, comprising: a bottom shell plate, wherein four rope retracting and releasing mechanisms are arranged on the bottom shell plate, the four rope retracting and releasing mechanisms are symmetrical left and right and are symmetrical front and back,

the rope retraction and release mechanism comprises: the spring piece is characterized by comprising two symmetrically-connected circular shaft blocks, gears are arranged on the end faces of the outer sides of the circular shaft blocks, annular blocks are arranged on the end faces of the inner sides of the circular shaft blocks, gear shaft holes are formed in the middle of the circular shaft blocks, inner spring piece cavities are formed in the annular blocks of the two circular shaft blocks, sliding shafts penetrate through the gear shaft holes of the two circular shaft blocks and are in sliding connection with the gear shaft holes, spiral inner spring pieces are arranged in the inner spring piece cavities, one ends of the inner spring pieces are connected with the annular blocks, the other ends of the inner spring pieces are connected with the sliding shafts, ropes are wound between the.

When the rope is pulled, the round shaft block rotates, so that the inner spring piece deforms, and when the rope is loosened, the round shaft block automatically rotates to wind and retract the rope through the force generated by deformation of the inner spring piece.

Wherein, two circumference axle piece outsides all are provided with the gasket, and the gasket cup joints on the sliding shaft, and the sliding shaft lower extreme is provided with the end cap, and the upper end is fixed through the clamp splice for two circular axle pieces are connected.

Wherein, be provided with four leading wheel mechanisms on the end shell board, leading wheel mechanism includes: the guide wheel, the shaft and the n type frame both sides wall sliding connection of leading wheel, the both sides wall and the U type frame both sides wall that sets up on the under casing board of n type frame pass through the articulated shaft articulated connection, and the rope that draws out from flexible jack bypasses the leading wheel lower extreme, and all connects a couple, and two couples that two ropes of the guide wheel mechanism of left and right sides are connected respectively on a locking couple. Through the guide wheel mechanism, the rope can be better guided, and the rope guide device is more convenient to use.

Wherein, locking couple includes: the hook body, go-between and adapter sleeve, the structure body includes two hook-shaped poles, and the one end of two hook-shaped poles is passed through the intermediate lever and is connected, the go-between includes two rings and connects the dead lever of two rings, the both ends of adapter sleeve are an annular lantern ring respectively, intermediate lever and one of them annular lantern ring sliding connection, another annular cover and dead lever sliding connection.

The locking hook can be folded, and is convenient to store and manage.

When the device is used, the device is fixed on the ground, the two ropes on each side are connected with the same locking hook through the hook respectively, the locking hooks on two sides are hung on a wheelchair, the wheelchair is positioned, and the device is convenient and practical.

Wherein, the gear is the ratchet, still includes pawl mechanism, pawl mechanism includes: the base block is arranged on the bottom shell plate, two pull plates are arranged on two sides of the handle, the upper ends of the two pull plates are hinged with two sides of the front end of the transition plate, the lower ends of the two pull plates are hinged with two lug blocks of the base block, two sides of the rear end of the transition plate are hinged with two lug blocks of the front end of the traction rod, two pin shaft holes are formed in the traction rod, the upper end and the lower end of each pin shaft hole are respectively connected with an upper pawl frame and a lower pawl frame, the upper pawl frame and the lower pawl frame are respectively matched with ratchet wheels on the left side and the right side for use, each pin shaft hole sequentially penetrates through the lower pawl frame, the traction rod and the upper pawl frame from bottom to top through a pin shaft and are in sliding connection, each pawl frame comprises an upper clamping piece and a lower clamping piece, and the upper clamping piece and the lower clamping piece are correspondingly provided with a pawl shaft hole and a gear shaft hole, and the pawl shaft hole is arranged at one end close to the traction rod, the gear shaft hole is arranged at the other end, the pawl shaft is connected with the pawl shaft in a sliding manner, the pawl shaft is connected with two pawl sheets, each pawl sheet is matched with a gear on one side of a circular shaft block to form a ratchet and pawl mechanism, two ends of the sliding shaft are connected with the gear shaft hole, the pin shaft penetrates through the long holes of the upper pawl frame and the lower pawl frame, and the pin shaft can transversely slide in the long holes.

After the locking hook hooks the wheelchair, the handle is moved, so that the traction rod moves inwards to drive the pawl sheet to be in contact with the ratchet wheel, the pawl sheet and the ratchet wheel are matched for use, the rotation of the ratchet wheel to one side is limited, however, the rotation of the other side is not limited, and the ratchet wheel is an existing functional structure of the pawl and the ratchet wheel.

Wherein, the pawl axle is last to cup joint the torsional spring, and one end and the pawl frame inboard of torsional spring are connected, and the other end is connected with the pawl piece.

The bottom shell plate is provided with a screw hole and is fixed with the ground through a screw.

The bottom shell plate is provided with a square vertical shell plate, the upper end of the vertical shell plate is connected with an apron, the apron comprises a first upper cover plate and a second upper cover plate which are connected through hinges, the left end of the first upper cover plate is connected with the vertical shell plate through hinges in a hinged mode, the apron further comprises a middle cover plate connected with the bottom shell plate through bolts, and the two sides of the middle cover plate are connected with the vertical shell plate through hinges respectively.

The cover plate can be conveniently opened and folded, is convenient to store and occupies a small space.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A rope retraction mechanism for a wheelchair positioning apparatus, the rope retraction mechanism comprising: the spring piece is characterized by comprising two symmetrically-connected circular shaft blocks, gears are arranged on the end faces of the outer sides of the circular shaft blocks, annular blocks are arranged on the end faces of the inner sides of the circular shaft blocks, gear shaft holes are formed in the middle of the circular shaft blocks, inner spring piece cavities are formed in the annular blocks of the two circular shaft blocks, sliding shafts penetrate through the gear shaft holes of the two circular shaft blocks and are in sliding connection with the gear shaft holes, spiral inner spring pieces are arranged in the inner spring piece cavities, one ends of the inner spring pieces are connected with the annular blocks, the other ends of the inner spring pieces are connected with the sliding shafts, ropes are wound between the.

2. A wheelchair positioning apparatus comprising the cable retraction/extension mechanism for a wheelchair positioning apparatus as claimed in claim 1.