CN211269264U

CN211269264U - Foldable commodity shelf and tensioner

Info

Publication number: CN211269264U
Application number: CN201921293064.XU
Authority: CN
Inventors: 金晓江; 蒋建平
Original assignee: Ningbo Junmao Environmental Equipment Co ltd
Current assignee: Ningbo Junmao Environmental Equipment Co ltd
Priority date: 2018-08-10
Filing date: 2019-08-10
Publication date: 2020-08-18
Anticipated expiration: 2029-08-10
Also published as: CN211269265U; CN110811158A; CN110811159A

Abstract

The utility model discloses a foldable commodity shelf and a tensioner, wherein the tensioner comprises a rotating part and a retaining part, the holding part is provided with a mounting plane, a tensioning cambered surface, a through hole, a wire inlet hole, a wire outlet hole and a holding through hole, the tensioning arc is curvedly extended to allow both ends of the tensioning arc and both ends of the installation plane to be connected, the end of the holding portion is provided with the through hole, the wire inlet hole and the wire outlet hole extend from the tensioning arc surface to the holding through hole respectively, the rotating portion is rotatably mounted to the holding through hole, wherein the tensioner can be mounted to one of two spaced apart frame arms, a holding element formed by a rope is held between the two frame arms in a taut manner for tensioning the rope around the rope arranged between the two frame arms.

Description

Foldable commodity shelf and tensioner

Technical Field

The utility model relates to a supporter, in particular to collapsible supporter and tensioning ware.

Background

The rack is widely used in daily life of people, and a common rack such as a clothes hanger is provided with a support rod and a plurality of cross rods arranged on the support rod so as to facilitate a user to dry clothes or lay articles. With the increase of the consumption level of people, users have higher pursuits on the object carrying capacity and the space utilization rate of the object shelf.

Foldable clothes hangers gradually appeared on the market, which can be extended when in use, so that a user can conveniently hang clothes or other articles on the foldable clothes hangers; after the foldable clothes hanger is used, the foldable clothes hanger can be retracted to reduce the volume of the foldable clothes hanger. Specifically, referring to fig. 1A and 1B, the foldable laundry rack includes two installation bodies 10P, two telescopic bodies 20P, and a plurality of object placing bars 30P, wherein the two telescopic bodies 20P are respectively movably disposed on the installation bodies 10P, two ends of the plurality of object placing bars 30P are disposed at the two opposite telescopic bodies 20P at intervals, and a user can hang clothes or other articles on the object placing bars 30P. Further, the telescopic body 20P includes a plurality of folding units 21P, the folding units 21P include a movable rod 211P and a linkage rod 212P, the middle portion of the movable rod 211P is pivotally connected to the middle portion of the linkage rod 212P, so as to form an "X" type folding unit 21P, the folding units 21P are pivotally connected end to end and extend outward from the mounting body 10P, and the object placing rod 30P is mounted at the upper end of the connection position of the adjacent folding units 21P. Further, the lower end of the movable lever 211P of one of the folding units 21P closest to the mounting body 10P is pivotally connected to the lower end of the mounting body 10P, the upper end of the lever 212P is pivotally connected to the upper end of the mounting body 10P, wherein the movable lever 211P coupled to the mounting body 10P is movable up and down with respect to the mounting body 20P while rotating up and down with respect to the mounting body 10P, and can drive the linking rod 212P connected with the mounting body 10P to rotate up and down relative to the mounting body 20P, at this time, the size of the included angle between the pivotally connected link lever 212P and the movable lever 211P changes, thereby enabling the distance between the adjacent article bars 30P to be changed synchronously to realize that the foldable clothes hanger can be extended and retracted. More specifically, when the user pushes the object placing bar 30P outward, an included angle between the movable bar 211P and the linking bar 212P of each folding unit 21P increases, the movable bar 211P connected to the mounting body 10P rotates downward relative to the mounting body 10P, meanwhile, the lower end of the movable bar 211P is far away from the lower end of the mounting body 10P, the linking bar 212P connected to the mounting body 10P rotates upward relative to the mounting body 10P, an included angle between the movable bar 211P and the linking bar 212P of the adjacent folding unit 21P increases, and further, a distance between the object placing bars 30P increases, refer to fig. 1B. When the user pulls the object placing rod 30P inward, the angle between the movable rod 211P and the linkage rod 212P of each folding unit 21P decreases, the movable rod 211P connected to the mounting body 10P rotates upward relative to the mounting body 10P, the lower end of the movable rod 211P is close to the lower end of the mounting body 10P, the linkage rod 212P connected to the mounting body 10P rotates downward relative to the mounting body 10P, the included angle between the movable rod 211P and the linkage rod 212Z of the adjacent folding unit 21P decreases, and thus the distance between the object placing rods 30P decreases, refer to fig. 1A. The foldable clothes hanger has a plurality of problems in the using process.

First, although the foldable laundry stand in the contracted state is reduced in volume as compared to the extended state, the plurality of folding units 21P of the telescopic body 20P are horizontally contracted and the plurality of folding units 21P are sequentially stacked on the mounting body 10P, so that the foldable laundry stand still occupies a large space in the contracted state.

Secondly, the foldable clothes hanger can be switched between the extension state and the contraction state by horizontal push-pull, when the user folds the object placing rods 30P inwards, the user needs to directly hold the object placing rods 30P and enables the volume of the foldable clothes hanger to be contracted to the minimum only when the distance between the adjacent object placing rods 30P is the minimum, once the pulling speed is too fast, the distance between the adjacent object placing rods 30P can be shortened rapidly, fingers of the user can be pinched by the moved object placing rods 30P, and therefore potential safety hazards exist in the using process of the existing foldable clothes hanger.

In addition, when the foldable clothes hanger in the extended state bears heavy objects, the downward pressure is generated on the article placing rod 30P and the folding main body 20P by the heavy objects hung on the article placing rod 30P, so that the lower end of the movable rod 211P pivotally connected to the mounting main body 10P is easily moved from the top to the bottom rapidly with respect to the mounting main body 10P, and further, when the foldable clothes hanger bears heavy objects, the foldable clothes hanger is rapidly converted from the extended state to the contracted state, and the adjacent folding units 21P collide violently, which not only damages the folding main body 20P, but also causes the objects hung on the article placing rod 30P to fall. Furthermore, if the foldable laundry stand suddenly changes from the extended state to the retracted state while the user is hanging items, there is a high possibility that the user's hands may be pinched. Therefore, the existing foldable clothes hanger has great potential safety hazard in the use process and is difficult to bear heavier articles.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a collapsible supporter and tensioning ware, wherein collapsible supporter has an expansion state and a folded state, collapsible supporter is set up can the expansion state with switch between the folded state to the user can select according to the demand of self the state of collapsible supporter.

Another object of the present invention is to provide a foldable rack and tensioner, wherein the foldable rack provides at least one mounting body and one object-placing body, and the mounting body and the angle between the object-placing bodies can be adjusted to enable the foldable rack to be switched between the unfolded state and the folded state.

Another object of the present invention is to provide a foldable shelf and a tensioner, wherein the shelf body provides a support frame and is disposed on an article-placing member of the support frame, the article-placing member is formed by a slender rope body by attaching to the support frame, so that the shelf body is lighter.

Another object of the present invention is to provide a foldable commodity shelf and a tensioner, wherein a gap can be formed between two adjacent holding members of the commodity shelf by attaching the rope body to the support frame to form the commodity shelf, so as to allow the hung commodity to be hung.

Another object of the present invention is to provide a foldable article carrier and tensioner, wherein the foldable article carrier provides a tensioner, wherein the tensioner is disposed on the supporting frame for tensioning the rope attached to the supporting frame to keep the holding element in a tight manner in the bearing space of the supporting frame.

Another object of the present invention is to provide a foldable shelf and a tensioner, wherein the tensioner is used for tensioning the rope by rotating the tensioner, so as to conveniently tension the rope and use the foldable shelf. For example, the holding element formed by the rope may be loose after the foldable commodity shelf is used for a long time, wherein the tensioner allows a user to realize the tension of the rope by means of rotation.

Another object of the present invention is to provide a foldable commodity shelf and a tensioner, wherein the tensioner is allowed to rotate only in one direction, so as to avoid the misoperation of the user and ensure the reliability of the foldable commodity shelf.

Another object of the present invention is to provide a foldable rack and tensioner, wherein the foldable rack provides at least one support arm, wherein the two ends of the support arm are movably disposed in the mounting body and the object-placing body respectively, and the length of the support arm can be adjusted by adjusting the angle between the mounting body and the object-placing body, so that the foldable rack is in the unfolded state and switched between the folded states. Preferably, both ends of the support arm are rotatably mounted to the mounting body and the storage body, respectively.

Another object of the present invention is to provide a foldable shelf and a tensioner, wherein the foldable shelf is in the unfolded state the object-holding body and the angle between the supporting arms can be selected to allow the user to adjust the object-holding body and the included angle between the supporting arms can be adjusted according to the requirement the specific state of the foldable shelf, and further the practicability of the foldable shelf is improved.

Another object of the present invention is to provide a foldable shelf and a tensioner, wherein the shelf body of the foldable shelf can be kept at a plurality of preset positions to satisfy different user demands of users.

Another object of the present invention is to provide a foldable article carrier and a tensioner, wherein the article carrier is capable of being stably held at the predetermined position, avoiding that the article carrier is changed in the angle between the support arms when carrying heavy objects, and the article carrier drops.

Another object of the present invention is to provide a foldable rack and a tensioner, wherein the foldable rack is in when folded, the rack main body can be parallel to the installation wall surface, and further make the volume of the foldable rack reach the minimum, so as to save space.

According to an aspect of the present invention, the present invention provides a tensioner for tensioning a rope between two frame arms, wherein the frame arms have at least one winding hole, wherein the tensioner comprises:

a rotating part; and

a holding part, wherein the holding part has a mounting plane, a tightening arc surface, a wire inlet hole, a wire outlet hole and a holding perforation, the tensioning arc extends curvedly from one end to the other end of the mounting plane, to allow both ends of the tensioning arc face and the mounting plane to define both end portions of the holding portion respectively, the holding through hole penetrates through two opposite sides of the holding part, the wire inlet hole and the wire outlet hole respectively extend from the middle part of the tensioning cambered surface to and are communicated with the holding through hole, wherein the rotating portion is rotatably mounted to the holding penetration hole of the holding portion, wherein the holding portion is mounted to the frame arm, so as to allow the string body sequentially passing through the wire winding hole of the frame arm and the wire inlet hole of the holding portion to extend from the wire outlet hole of the holding portion out of the holding through hole of the holding portion after passing around the rotating portion.

According to an embodiment of the invention, the rotating part is allowed to rotate in one direction in the holding bore of the holding part.

According to one embodiment of the invention, the retaining part has a plurality of retaining grooves which surround the retaining bore at a distance from one another, and the rotary part has at least one retaining projection, wherein the retaining projection of the rotary part can be positioned in the retaining groove of the retaining part.

According to an embodiment of the present invention, the holding portion has a plurality of projections, the projections being spaced from each other around the holding through-hole, wherein the holding grooves are formed between adjacent projections to allow the holding grooves to surround the holding through-hole, wherein each of the projections has a guide surface and a positioning surface, respectively, the guide surface of one of the projections corresponds to the positioning surface of the adjacent projection, and the holding groove is formed between the guide surface of one of the projections and the positioning surface of the adjacent projection.

According to an embodiment of the present invention, the shape of the holding projection of the rotating portion is the same as the shape of the projection of the holding portion.

According to an embodiment of the present invention, the rotating portion includes an upper rotating body extending from an upper side of the holding portion to the holding hole of the holding portion, and a lower rotating body fixedly installed from a lower side of the holding portion to the upper rotating body to rotatably install the rotating portion in the holding hole of the holding portion.

According to an embodiment of the present invention, the rotating portion further includes an operating body integrally and protrudingly extending to the upper side rotating body.

According to an embodiment of the present invention, the rotating part has a wire casing, the wire inlet hole of the holding part and the wire outlet hole correspond to the wire casing of the rotating part respectively.

According to an embodiment of the invention, the tensioning of the retaining part is provided with a groove extending from one end of the mounting plane to the other end.

According to another aspect of the utility model, the utility model discloses a foldable storage rack is further provided, it includes:

two mounting bodies, wherein the two mounting bodies are arranged symmetrically to each other;

a storage body, wherein the storage body includes a support frame and a storage object, the support frame further includes two frame arms and an extension arm, the two frame arms are symmetrically disposed with respect to each other, both ends of the extension arm extend to be connected to one end of each frame arm, respectively, and the other end of each frame arm is mounted to each mounting body, respectively; and

a tensioner, wherein said tensioner comprises a rotating part and a holding part, wherein said holding part has a mounting plane, a tensioning arc surface extending curvedly from one end to the other end of said mounting plane to allow both ends of said tensioning arc surface and said mounting plane to define both ends of said holding part, respectively, a wire inlet hole, a wire outlet hole and a holding through hole penetrating opposite sides of said holding part, said wire inlet hole and said wire outlet hole extending from a middle of said tensioning arc surface to and communicating with said holding through hole, respectively, wherein said rotating part is rotatably mounted to said holding through hole of said holding part, wherein each of said frame arms has a row of wire winding holes, respectively, wherein said holding part is mounted to said frame arms to allow a string body sequentially passing through said wire winding holes of said frame arms and said wire inlet hole of said holding part to pass around said rotating part when passing around said rotating part The rear part of the frame is extended out of the holding through hole of the holding part from the wire outlet hole of the holding part, wherein the rope body sequentially passes around each frame arm to form the object placing piece between the two frame arms.

According to an embodiment of the present invention, each of the ends of the frame arms is rotatably mounted to each of the mounting body, wherein the foldable storage shelf further comprises two support arms, each of the two ends of the support arms is rotatably mounted to the mounting body and the frame arms, respectively, and the length of the support arms is adjustable.

According to an embodiment of the present invention, the support arm includes a limit rod and a movable rod, wherein the limit rod has a receiving cavity, at least one movable groove and at least one row of limit grooves, one end of the limit rod is rotatably mounted in the mounting body, the receiving cavity extends from the other end of the limit rod to the direction of the end of the limit rod for mounting the mounting body, the extending direction of the movable groove and one row of the limit grooves is the same as the extending direction of the limit rod, the movable groove communicates with the receiving cavity on one side of the limit rod, one row of the limit grooves communicates with the receiving cavity on one side of the limit rod and communicates with the movable groove on the lower side of the movable groove; wherein the movable bar includes a movable bar main body and a positioning unit, the positioning unit further includes a fixing portion which is provided at one end portion of the movable bar main body and has a movable space, the other end portion of the movable bar main body is rotatably installed at the frame arm, the positioning portion includes a movable plate and at least one positioning member protrudingly provided at one side of one end portion of the movable plate, the movable plate is movably provided at the movable space of the fixing portion in such a manner that both ends of the movable plate can move up and down, and an elastic member which is provided at a middle portion of upper sides of the fixing portion and the movable plate, wherein one end portions of the positioning unit and the movable bar main body are movably installed at the receiving chamber of the stopper bar, when the movable rod main body drives the positioning unit to move in the accommodating cavity of the limiting rod so that the positioning element moves along a track formed by the accommodating groove of the limiting rod, the positioning element is arranged to automatically enter the limiting groove of the limiting rod.

According to an embodiment of the present invention, the stopper rod includes a stopper rod main body and a plurality of stopper arms, each of which is oriented in a curved manner at an interval from each other in the stopper rod main body, the stopper rod main body is extended in a direction of the stopper rod main body to be used for forming the inner wall of the active groove, and the outermost side of the high end of the stopper arm exceeds the stopper rod at the innermost tangential position of the stopper groove.

According to an embodiment of the present invention, the support arm further includes a reset unit, the reset unit has a receiving space and communicates with a reset space at an upper corner of the receiving space, so that a bottom wall height of the reset space is higher than a bottom wall height of the receiving space, wherein the fixing portion has a receiving groove, the reset unit is movably disposed at the receiving groove of the fixing portion, wherein the positioning element of the positioning portion can move from the receiving space of the reset unit to the reset space and can move from the reset space to the receiving space.

According to the utility model discloses an embodiment, the reset unit includes a removal portion, a digging arm and an elastic connection spare, and the reset unit has an extrusion space, wherein the removal portion by movably set up in the fixed part the holding tank with form accommodation space with the space resets, the digging arm extend integratively in the removal portion with form between the removal portion the extrusion space, elastic connection spare set up in the free end of digging arm with between the removal portion, wherein the reset unit with being used for of gag lever post forms the inner wall extrusion that holds the chamber the digging arm makes elastic connection spare produces the mode of deformation set up in the gag lever post hold the chamber.

Drawings

FIG. 1A is a schematic view of a foldable laundry stand according to the prior art in a retracted state.

FIG. 1B is a schematic view of the foldable laundry stand according to the prior art in an extended state.

Fig. 2A is a perspective view of a foldable shelf according to a preferred embodiment of the present invention in an unfolded state.

Fig. 2B is a schematic perspective view of the foldable placement frame in the unfolded state according to the above preferred embodiment of the present invention.

Fig. 3 is an exploded view of the foldable shelf according to the above preferred embodiment of the present invention.

Fig. 4 is a perspective view of a fastener of the foldable rack according to the above preferred embodiment of the present invention.

Fig. 5A is an exploded view of a perspective view of the tensioner of the foldable rack according to the above preferred embodiment of the present invention.

Fig. 5B is an exploded view of the tensioner of the foldable rack according to the above preferred embodiment of the present invention.

Fig. 6A and 6B are schematic perspective views of the foldable commodity shelf according to the above preferred embodiment of the present invention, before and after the tensioner tensions a rope.

Fig. 7 is an exploded view of a support arm of the foldable rack according to the above preferred embodiment of the present invention.

Fig. 8A is a schematic view of an application of the foldable rack according to the above preferred embodiment of the present invention, which shows a main body of the foldable rack in a folded state rotating upwards.

Fig. 8B is an exploded view of the foldable shelf according to the above preferred embodiment of the present invention in the above application scenario.

Fig. 9A is a schematic view of an application of the foldable rack according to the above preferred embodiment of the present invention, which shows that the included angle between the object-placing body and an installation body of the foldable rack is smaller than 90 °.

Fig. 9B is an exploded view of the foldable shelf according to the above preferred embodiment of the present invention in the above application scenario.

Fig. 10A is a schematic view of an application scenario of the foldable rack according to the above preferred embodiment of the present invention, which shows that the included angle between the object placing body and the installation body of the foldable rack is equal to 90 °.

Fig. 10B is an exploded view of the foldable shelf according to the above preferred embodiment of the present invention in the above application scenario.

Fig. 11A is a schematic view of an application scenario of the foldable shelf according to the above preferred embodiment of the present invention, which shows that the included angle between the article holding body and the installation body of the foldable shelf is greater than 90 °.

Fig. 11B is an exploded view of the foldable shelf according to the above preferred embodiment of the present invention in the above application scenario.

Fig. 12A is a schematic view illustrating a process of adjusting the foldable rack from the unfolded state to a folded state according to the above preferred embodiment of the present invention.

Fig. 12B is a partial structural schematic view of the foldable placement frame in the process of adjusting from the unfolded state to a folded state according to the above preferred embodiment of the present invention.

Fig. 13A is a schematic view of foldable article rack according to the above preferred embodiment of the present invention in the folded state.

Fig. 13B is a partial structural view of the foldable placement frame according to the above preferred embodiment of the present invention in the folded state.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

Referring to fig. 2 to 10B of the specification, a foldable rack according to a preferred embodiment of the present invention is disclosed and illustrated in the following description, wherein the foldable rack has an unfolded state and a folded state, and the foldable rack is configured to be switchable between the unfolded state and the folded state, the foldable rack in the unfolded state can carry heavy objects, and the foldable rack in the folded state has a reduced volume for easy storage. In other words, when the foldable commodity shelf is not required to be used, the foldable commodity shelf can be switched to the folded state so as to be stored, and when the foldable commodity shelf is required to be used, the foldable commodity shelf can be switched to the unfolded state so as to bear a heavy object, so that the utilization rate of a space for installing the foldable commodity shelf can be improved.

Specifically, referring to fig. 2 and 3, the foldable commodity shelf comprises at least a mounting main body 100 and a commodity main body 200, wherein the commodity main body 200 is movably disposed on the mounting main body 100, and the foldable commodity shelf can be switched between the unfolded state and the folded state by adjusting an angle between the mounting main body 100 and the commodity main body 200. For example, in this specific example of the foldable commodity shelf shown in fig. 2 and 3, the foldable commodity shelf includes two mounting bodies 100 and one commodity body 200, wherein the two mounting bodies 100 are symmetrically disposed, and both sides of the commodity body 200 are respectively rotatably mounted to each mounting body 100, so that the angle between the mounting

bodies

100 and 200 can be adjusted by driving the commodity body 200 to be mounted with respect to the mounting bodies 100, so as to switch the specific state of the foldable commodity shelf between the unfolded state and the folded state.

The foldable rack can be installed on a wall surface (for example, an outer wall of a building) by the installation body 100, so that when the foldable rack is in the folded state, the object placing body 200 can tend to be attached to the wall surface to prevent the object placing body 200 from excessively extending to the outside, and accordingly, when the foldable rack is in the unfolded state, the extending direction of the object placing body 200 can be at a predetermined angle (for example, but not limited to 90 °) to the extending direction of the wall surface, so as to sufficiently utilize the outside space of the wall surface.

It should be noted that the way of fixing the mounting body 100 to the wall surface is not limited, for example, the mounting body 100 may be fixed to the wall surface by gluing or screwing.

Referring to fig. 2A to 3, in this embodiment of the foldable storage rack of the present invention, the storage main body 200 further includes a supporting frame 210 and a storage object 220, wherein the supporting frame 210 has a supporting space 211, and two ends of the storage object 220 are respectively disposed at two sides of the supporting frame 210 in a manner that the storage object 220 is held in the supporting space 211. Further, the placement member 220 includes at least two elongated retention elements 221 spaced apart from each other, and both ends of each retention element 221 extend to be fixed to the inner side of the support frame 210, respectively, so that the placement member 220 is retained in the carrying space 211 of the support frame 210.

The supporting frame 210 has a U shape having two frame arms 212 and an extension arm 213, the two frame arms 212 are symmetrically disposed with each other, both ends of the extension arm 213 are extended to be connected to one end of each frame arm 212, and the other end of each frame arm 212 is rotatably mounted to each of the mounting bodies 100, for example, the end of each frame arm 212 is rotatably mounted to each of the mounting bodies 100 through a rotating shaft, so that both sides of the storage body 200 are rotatably mounted to each of the mounting bodies 100. Both ends of each of the holding members 221 of the placement member 220 are respectively disposed at each of the frame arms 212 to allow the placement member 220 to be held at the carrying space 211 formed between each of the frame arms 212 and the extension arm 213.

Preferably, each frame arm 212 of the support frame 210 has a plurality of spaced winding holes 2121, and the winding holes 2121 penetrate through both sides of the frame arm 212 to allow the winding holes 2121 to communicate with the supporting space 211, and a plurality of spaced retaining elements 221 in the supporting space 212 can be obtained by sequentially passing an elongated rope (e.g., a steel rope) through the winding holes 2121 of the support frame 210. Further, the winding holes 2121 of one frame arm 212 and the winding holes 2121 of the other frame arm 212 are symmetrical to each other, which allows each of the retaining elements 221 to be parallel to each other, so as to facilitate hanging an object on each of the retaining elements 221 or removing a hung object from each of the retaining elements 221.

Preferably, referring to fig. 2A to 3, the placement body 200 further includes a plurality of reinforcements 230, wherein the reinforcements 230 have a wire guiding groove 231, the outer surface of the reinforcements 230 is recessed inward to form the wire guiding groove 231, the reinforcements 230 are mounted on the frame arms 212 of the supporting frame 210 in such a manner that openings at both ends of the wire guiding groove 231 correspond to the adjacent wire guiding holes 2121, one wire guiding hole 2121 corresponds to each of both ends of the wire guiding groove 231, and the placement body 220 can be formed in the supporting space 211 of the supporting frame 210 after the rope body is sequentially threaded through the wire guiding holes 2121 of the supporting frame 210 and the wire guiding groove 231 held by the reinforcements 230. By providing the reinforcing member 230, the contact area between the placement member 220 and the frame arms 212 of the support frame 210 can be reduced, so that the acting force of the placement member 220 on the frame arms 212 of the support frame 210 when carrying an article can be reduced, and the frame arms 212 of the support frame 210 are prevented from being deformed by the gravity applied to the placement member 220 when carrying a heavy object.

Preferably, the reinforcing member 230 has a curvature, and the reinforcing member 230 is curved to fit the curved surface of the reinforcing member 230, so as to relieve the stress concentration phenomenon generated when the storage device 220 carries a heavy object. Preferably, the thickness of the reinforcement member 230 is smaller than that of the support frame 210, allowing a user to adjust the angle between the storage body 20 and the installation body 10 of the foldable commodity shelf by holding the reinforcement member 230. It should be understood that the reinforcing member 230 may also allow a user to place or hang objects, thereby increasing the carrying area of the foldable supporter.

It should be noted that the materials of the supporting frame 210, the placing member 220 and the reinforcing member 230 are not limited, for example, the supporting frame 210, the placing member 220 and the reinforcing member 230 may be implemented by one or more materials selected from metals such as stainless steel, copper or iron, plastics, resins, woods, or rubbers, and the supporting frame 210, the placing member 220 and the reinforcing member 230 may be implemented by the same material or different materials.

It should be noted that, in some embodiments of the foldable shelf of the present invention, the storage body 200 can be implemented as a storage plate, that is, the storage body 200 is a whole plate, so that the user can directly place the article in the storage body 200. In other embodiments of the foldable shelf of the present invention, the object placing body 200 may also be implemented as an object placing net, that is, a net-shaped plane is formed between the inner walls of the supporting frames 210 by weaving, so as to allow the user to place objects, and thus, the object placing body 200 can reduce the weight of the object placing body 200 itself under the condition that the object placing body can bear heavy objects. It should be understood by those skilled in the art that the embodiment of the article holding body 200 disclosed in the present invention is only for illustrative purposes and should not be construed as limiting the scope and content of the foldable article holding frame of the present invention.

Referring to fig. 3 to 6B, the foldable storage rack of the present invention further comprises a tensioner 400, wherein the tensioner 400 is disposed on the frame arm 212 of the support frame 210, and the rope is disposed on the tensioner 400, so that the rope is tensioned by the tensioner 400 to obtain the storage object 220, thereby each of the holding elements 221 of the storage object 220 can be held in the bearing space 211 of the support frame 210 in a tight manner.

Specifically, the tensioner 400 includes a holding portion 401, wherein the holding portion 401 has a mounting plane 4011 and a tensioning arc 4012, the tensioning arc 4012 extends in a curved manner from one end to the other end of the mounting plane 4011, and both ends of the mounting plane 4011 and the tensioning arc 4012 define both ends of the holding portion 401, respectively. The retaining portion 401 further has a first through hole 4013, a second through hole 4014, a wire inlet hole 4015, a wire outlet hole 4016, and a retaining through hole 4017, wherein the first through hole 4013 and the second through hole 4014 extend from each end of the retaining portion 401 from the tensioning arc 4012 to the mounting plane 4011, the retaining through hole 4017 extends through opposite sides of the retaining portion 401, and the wire inlet hole 4015 and the wire outlet hole 4016 extend from a middle portion of the tensioning arc 4012 to and communicate with the retaining through hole 4017. The holding part 401 is mounted to the frame arms 212 of the support frame 210, and the first and second through

holes

4013 and 4014 of the holding part 401 correspond to and communicate with the winding holes 2121 of the frame arms 212, respectively, to allow the string body to sequentially pass through one of the winding holes 2121 of the frame arms 212, the first and second through

holes

4013 and 4014 of the holding part 401, and the other of the winding holes 2121 of the frame arms 212.

It is worth mentioning that the first perforation 4013 and the second perforation 4014 of the holding part 401 may be open perforations, for example, the first perforation 4013 and the second perforation 4014 of the holding part 401 may be open grooves formed in the tightening arc 4012 of the holding part 401.

The tensioner 400 further comprises a rotating part 402, wherein the rotating part 402 is rotatably disposed in the holding through hole 4017 of the holding part 401 to allow the rotating part 402 to be operated to rotate in the holding through hole 4017 of the holding part 401. Specifically, the string body is allowed to extend from the outlet hole 4016 of the holding portion 401 out of the holding through hole 4017 of the holding portion 401 after passing through the winding hole 2121 of the frame arm 212 and the first through hole 4013 and the wire inlet hole 4015 of the holding portion 401 in order and bypassing the rotating portion 402 in the holding through hole 4017 of the holding portion 401, so that when the rotating portion 402 is driven to rotate, the string body is tensioned, so that the holding element 221 of the placement object 220 formed by the string body is held in a tight manner in the bearing space 211 of the support frame 210. Preferably, the string body extending from the outlet hole 4016 of the holding part 401 out of the holding perforation 4017 of the holding part 401 is allowed to further pass through the second perforation 4014 of the holding part 401 and the other winding hole 2121 of the frame arm 212 in sequence to extend to the bearing space 211 of the support frame 210, thereby preventing an end of the string body from protruding outside the frame arm 212 to ensure the aesthetic property of the foldable commodity shelf.

Preferably, the rotating part 402 has a thread groove 4021 surrounding one revolution of the rotating part 402, and the wire inlet 4015 and the wire outlet 4016 of the holding part 401 each correspond to the thread groove 4021 of the rotating part 402, so that the string body bypassing the rotating part 402 can be held in the thread groove 4021 of the rotating part 402 to avoid the string body from contacting the inner wall of the holding part 401 for forming the holding perforation 4017 as much as possible, thereby allowing the rotating part 402 to smoothly rotate in the holding perforation 4017 of the holding part 401.

Preferably, the tensioning arc 4012 of the holding portion 401 is provided with a groove 40121 for receiving the rope body so as to prevent the rope body from being separated from the tensioning arc 4012 of the holding portion 401. The recess 40121 of the tightening arc 4012 forms the first and

second perforation

4013 and 4014 of the holder 401 at a connection position of the tightening arc 4012 and the installation plane 4011.

Further, the holding portion 401 has a plurality of holding grooves 4018, wherein each of the holding grooves 4018 surrounds the holding through hole 4017 of the holding portion 401 at an interval from each other, and accordingly, the rotating portion 402 has at least one holding protrusion 4022, wherein the holding protrusion 4022 of the rotating portion 402 can be positionally held in the holding groove 4018 of the holding portion 401 so as to prevent the rotating portion 402 from automatically reversely rotating under the tensile force of the string, and when a force is applied to the rotating portion 402 to drive the rotating portion 402 to rotate in the holding through hole 4017 of the holding portion 401, the holding protrusion 4022 of the rotating portion 402 can be positioned in the holding groove 4018 of the holding portion 401 at another position, and when the external force applied to the rotating portion 402 is cancelled, the holding protrusion 4022 of the rotating portion 402 and the holding groove 4018 of the holding portion 401 can be engaged with each other to allow the rotating portion 402 and the holding groove 4018 of the holding portion 401 to allow the rotating portion 402 and the holding portion to be engaged with each other The relative positional relationship of the portions 401 is maintained at the adjusted position, thereby achieving the tensioning of the rope body. That is, the holding protrusion 4022 of the rotating part 402 and the holding groove 4018 of the holding part 401 can cooperate with each other to allow only the rotating part 402 to be rotated unidirectionally, so that the tensioner 400 achieves tensioning of the rope body in such a manner that the rotating part 402 is rotated.

Specifically, the lower side of the holding portion 401 has a plurality of projections 4019 surrounding the holding through holes 4017 of the holding portion 401, wherein one of the holding grooves 4018 is formed between adjacent ones of the projections 4019 so that each of the holding grooves 4018 surrounds the holding through hole 4017, wherein each of the projections 4019 has one guide surface 40191 and one positioning surface 40192 corresponding to the guide surface 40191, respectively, and the positioning surface 40192 of one of the projections 4019 corresponds to the guide surface 40191 of adjacent one of the projections 4019, so that the holding groove 4018 is formed between the positioning surface 40192 of one of the projections 4019 and the guide surface 40191 of adjacent one of the projections 4019. The guide surface 40191 of the projection 4019 may be an arc-shaped inclined surface or a flat arc surface, and the positioning surface 40192 of the projection 4019 may be a vertical surface or an inner inclined surface. When the rotating portion 402 is driven to rotate in the holding through hole 4017 of the holding portion 401 relative to the holding portion 401, the guide surface 40191 of the holding portion 401 can guide the holding protrusion 4022 of the rotating portion 402 to easily and easily enter one of the holding grooves 4018 of the holding portion 401 into the other holding groove 4018, and accordingly, when the external force applied to the rotating portion 402 is removed, the positioning surface 40192 of the holding portion 401 serves to prevent the holding protrusion 4022 of the rotating portion 402 from reversely entering the other holding groove 4018 from the one holding groove 4018, so that the relative positional relationship between the rotating portion 402 and the holding portion 401 is maintained at the adjusted position to achieve the tensioning of the string.

Preferably, the shape of the retaining protrusion 4022 of the rotating portion 402 is the same as that of the projection 4019 of the retaining portion 401, so that the retaining protrusion 4022 has the guide surface 40191 and the positioning surface 40192.

Specifically, the rotating portion 402 holds an upper rotating body 4023 and a lower rotating body 4024, wherein the upper rotating body 4023 extends from the upper side of the holding portion 401 to the holding through hole 4017 of the holding portion 401, the lower rotating body 4024 is attached to the upper rotating body 4023 from the lower side of the holding portion 401, and the upper rotating body 4023 and the lower rotating body 4024 can synchronously rotate in the holding through hole 4017 of the holding portion 401. Preferably, the thread groove 4021 is formed in the upper rotator 4023, and the retaining protrusion 4022 is formed in the lower rotator 4024. Alternatively, the thread groove 4021 is formed in the lower rotator 4024, and the retaining protrusion 4022 is formed in the upper rotator 4023. Alternatively, the thread groove 4021 and the retaining protrusion 4022 are formed in the upper rotator 4023. Alternatively, the thread groove 4021 and the retaining protrusion 4022 are formed in the lower rotator 4024.

It is worth mentioning that the installation manner of the upper rotator 4023 and the lower rotator 4024 is not limited in the foldable rack of the present invention. For example, in the example shown in fig. 4 to 6B, the upper rotating body 4023 is provided with a plurality of gripping arms to be fixedly attached by gripping the lower rotating body 4024, the upper rotating body 4023 and the lower rotating body 4024, alternatively, in other examples, the upper rotating body 4023 and the lower rotating body 4024 may be attached to each other by a screw 4026, or the upper rotating body 4023 and the lower rotating body 4024 may be attached to each other by welding or gluing.

Preferably, the rotating portion 402 further includes an operating body 4025 integrally extending and protruding from the upper rotating body 4023, so that a user can apply force to the rotating portion 402 to drive the rotating portion 402 to rotate in the holding through hole 4017 of the holding portion 401.

Further, referring to fig. 2A to 3, the foldable commodity shelf includes at least one support arm 300, wherein two ends of the support arm 300 are movably disposed on the mounting body 100 and the frame arms 212 of the commodity body 200, respectively, so as to allow the support arm 300, the frame arms 212 of the commodity body 200, and the mounting body 100 to form a stable triangular structure, such that the support arm 300 can provide an upward supporting force for the commodity body 200, such that the commodity body 200 can be maintained at a fixed position to carry heavy objects. For example, in this specific example of the foldable commodity shelf shown in fig. 2A and 2B, the number of the support arms 300 is two, so that both ends of each support arm 300 are rotatably mounted to each of the mounting body 100 and each of the frame arms 212, respectively.

Preferably, the support arm 300 is held below the placement body 200, that is, the placement body 200 is rotatably mounted to the upper portion of the mounting body 100, and the support arm 300 is rotatably mounted to the lower portion of the mounting body 100.

Further, the supporting arm 300 is configured to be retractable, so that the angle between the installation body 100 and the storage body 200 can be adjusted by changing the length of the supporting arm 300, and the foldable shelf can be converted between the folded state and the unfolded state to meet different requirements of users.

Specifically, when the length of the support arm 300 is extended, the angle between the placement body 200 and the installation body 100 is increased; when the length of the support arm 300 is shortened, the angle between the mounting bodies 100 of the accommodating body 200 is reduced.

It should be noted that, when the length of the supporting arm 300 is shortest and the article holding body 200 can be parallel to the wall surface, the foldable article holding shelf is in the folded state and the volume of the foldable article holding shelf is smallest; when the length of the support arm 300 is extended and the support arm 300 can support the object placing body 200 to stably carry the object, the foldable object placing shelf is in the unfolded state.

Preferably, both ends of the support arm 300 may be rotatably mounted to the frame arms 212 of the mounting body 100 and the placement body 200 by being pivotally connected to the frame arms 212 of the mounting body 100 and the placement body 200. Preferably, both ends of the support arm 300 may be rotatably mounted to the frame arms 212 of the mounting body 100 and the placing body 200 by means of gear engagement. It will be understood by those skilled in the art that the specific connection between the support arm 300 and the mounting body 100 and the storage body 200 is merely an example, and should not be construed as limiting the scope and content of the foldable stand of the present invention.

Referring to fig. 3 to 7, the supporting arm 300 further includes a movable rod 10 and a limiting rod 20, wherein the limiting rod 20 has a receiving cavity 21, the movable rod 10 can be received in the receiving cavity 21 of the limiting rod 20, one end of the movable rod 10 of the supporting arm 300 is rotatably mounted to the frame arm 212 of the storage body 200, the other end of the movable rod 10 is operatively extended to one end of the limiting rod 20, and the other end of the limiting rod 20 is rotatably mounted to the mounting body 100. One end of the movable rod 10 mounted to the receiving cavity 21 of the stopper rod 20 can be driven to move relative to the stopper rod 20, and the movable rod 10 and the stopper rod 20 can be held at a plurality of preset positions to adjust the length of the support arm 300, thereby changing the angle between the storage body 200 and the mounting body 100.

Specifically, referring to fig. 3 to 13B, the movable rod 10 includes a movable rod body 11 and a positioning unit 12, the movable rod body 11 has a distal end 111 and a proximal end 112 corresponding to the distal end 111, wherein the positioning unit 12 is disposed at the proximal end 112 of the movable rod body 11, the limiting element 12 and the proximal end 112 of the movable rod body 11 are always retained in the receiving cavity 21 of the limiting rod 20, and the distal end 111 of the movable rod body 11 is rotatably mounted to the frame arm 212 of the storage body 200. When the movable rod main body 11 moves in the accommodating cavity 21 of the limiting rod 20, the positioning unit 12 can be driven to synchronously move in the accommodating cavity 21 of the limiting rod 20, and the positioning unit 12 can stably keep the movable rod main body 11 at the predetermined position, so that the movable rod 10 can support the object placing main body 200 to allow the object placing main body 200 to be kept at the fixed position.

Referring to fig. 7 to 13B, the positioning unit 12 includes a fixing portion 121, a positioning portion 122 and an elastic member 123.

Specifically, the fixing portion 121 includes a fixing plate 1211, an extending end 1212 and a blocking end 1213, and the fixing portion 121 has a receiving groove 1214, the extending end 1212 extends outward from the movable rod body 11, and the fixing plate 1211 extends outward from the bottom of the extending end 1212 and is connected to the blocking end 1213, so as to form the receiving groove 1214 among the fixing plate 1211, the extending end 1212 and the blocking end 1213. The fixing plate 1211 has a movable space 12111, the movable space 12111 communicates with the receiving groove 1214, the positioning portion 122 and the elastic member 123 are received in the movable space 12111 of the fixing plate 1211, and both ends of the elastic member 123 are connected to the fixing plate 1211 and the positioning portion 122 of the fixing portion 121, respectively.

Further, the positioning portion 122 includes a movable plate 1221 and at least one positioning member 1222, the positioning member 1222 extends outward from one end of the movable plate 1221, and the positioning member 1222 is located in the receiving groove 1214 of the fixing portion 121. Correspondingly, the limiting rod 20 has a movable groove 22 and a row of limiting grooves 23, the movable groove 22, the limiting grooves 23 and the accommodating cavity 21 are communicated with each other, the row of limiting grooves 23 is located below the movable groove 22, the positioning member 1222 of the positioning unit 12 accommodated in the accommodating cavity 21 of the limiting rod 20 can slide along a track formed by the movable groove 22 of the limiting rod 20 and can be selectively positioned in one of the limiting grooves 23 in the row of limiting grooves 23, so that the length of the supporting arm 300 can be changed.

Preferably, the movable space 12111 of the fixing plate 1211 of the fixing portion 121 extends through two opposite sides of the fixing plate 1211, and accordingly, the number of the positioning elements 1222 of the positioning portion 122 is two, and the two positioning elements 1222 symmetrically extend on two opposite sides of the movable plate 1221. The limiting rod 20 is provided with two movable grooves 22 and two rows of limiting grooves 23, wherein the two movable grooves 22 of the limiting rod 20 are mutually symmetrical, and the two rows of limiting grooves 23 are mutually symmetrical.

It is worth mentioning that the elastic member 123 has elasticity, and the type of the elastic member 123 is not limited, and the elastic member 123 may be implemented as, but not limited to, a spring.

Further, the movable groove 22 of the stopper rod 20 is formed above the stopper groove 23. When the positioning member 1222 of the positioning portion 122 moves on the track formed by the movable slot 22 of the position limiting rod 20, the inner wall of the position limiting rod 20 forming the movable slot 22 can provide an upward supporting force for the positioning member 1222 of the positioning portion 122, and the positioning member 1222 presses the elastic member 123, and when the positioning member 1222 of the positioning portion 122 moves to a position corresponding to the position of the position limiting slot 23 of the position limiting rod 20, the positioning member 1222 of the positioning portion 122 is pushed into the position limiting slot 23 of the position limiting rod 20 under the elastic force of the elastic member 123, so as to hold the positioning member 1222 of the positioning portion 122 in the position limiting slot 23 of the position limiting rod 20, and at this time, the support arm 300 can stably support the storage main body 200. In the process that the positioning element 1222 of the positioning portion 122 is separated from the limiting groove 23 of the limiting rod 20 and moves to the movable groove 22 of the limiting rod 20, the positioning element 1222 of the positioning portion 122 gradually presses the elastic element 123, so that the elastic element 123 is elastically deformed to accumulate restoring elastic force. Preferably, the cross section of the positioning member 1222 is circular. Preferably, the elastic member 123 is inclinedly held between the fixed plate 1211 of the fixing part 121 and the movable plate 1221 of the positioning part 122.

It is worth mentioning that the number of the stopper grooves 23 formed at one side of the stopper rod 20 is not limited. Preferably, the number of the limiting grooves 23 of the limiting rod 20 is implemented as a plurality, the limiting grooves 23 are sequentially arranged at intervals from one end connected to the mounting body 100 to one end connected to the article placing body 200, and the positioning member 1222 of the positioning portion 122 is positioned in different limiting grooves 23 of the limiting rod 20 by moving the movable rod body 11 of the movable rod 10, so as to control the length of the supporting arm 300, and simultaneously, adjust different angles between the article placing body 200 and the mounting body 100 according to the needs of the user. For example, when the positioning member 1222 of the movable rod 10 of the support arm 300 is located in the position-limiting groove 23 of the position-limiting rod 20 closest to the mounting body 100, the angle between the object-placing body 200 and the mounting body 100 is 30 °, and when the positioning member 122 of the movable rod 10 is located in the position-limiting groove 23 of the position-limiting rod 20 closest to the object-placing body 200, the angle between the object-placing body 200 and the mounting body 100 is 90 °.

That is, the angle between the placement body 200 and the installation body 100 can be selected from 30 ° to 90 ° to meet the user's needs. For example, when the user can adjust the angle between the main object 200 and the main installation body 100 according to the irradiation direction of the sunlight, the clothes hung on the main object 200 can be sufficiently illuminated, and the phenomenon that the clothes shield the sunlight from each other can be reduced.

It should be understood by those skilled in the art that the angle at which the storage body 200 of the foldable storage shelf can be rotated with respect to the installation body 100 can be changed by providing the movable rod 10 having different lengths, the stopper rod 20 having different lengths, a different number of the stopper grooves 23, changing the positions of the stopper grooves 23, or providing the stopper grooves 23 having different pitches. For example, referring to fig. 11A and 11B, by increasing the length of the movable rod body 11 of the movable rod 10 of the support arm 300, when the positioning member 1222 of the positioning portion 122 is located in the limiting groove 23 at the outermost side of the limiting rod 20, the angle between the article placing body 200 and the mounting body 100 can be more than 90 degrees, so that a user can hang clothes to be dried on the article placing body 200 first, or can directly place articles such as shoes on the upper surface of the article placing body 200 for drying. It is worth integrating that the size of the included angle between the article placing main body 200 and the installation main body 100 can not be the limit of the content and scope of the foldable article placing shelf of the present invention. Referring to fig. 9A to 11B, an included angle between the placement body 200 and the installation body 100 may be implemented to be less than 90 °, equal to 90 °, or greater than 90 °.

Specifically, referring to fig. 7, the stop lever 20 includes a stop lever main body 24 and a plurality of stop arms 25, the movable groove 22 is formed in the stop lever main body 24, an inner wall 241 defining one side of the stop lever main body 24 of the movable groove 22 is curved and recessed inward to form the stop groove 23, and the stop arms 25 are located between adjacent stop grooves 23. The stopper arm 25 has a lower end 251 and the upper end 252 extending upwardly from the lower end 251 in a curved manner, and the upper end 252 extends toward the connecting position between the movable rod main body 11 and the storage main body 200. The outermost side of the high end portion 252 of the position limiting arm 25 exceeds the innermost tangent position of the position limiting groove 23 of the position limiting rod 20, so that the positioning element 1222 of the positioning portion 122 entering the position limiting groove 23 of the position limiting rod 20 is blocked by the high end portion 252 of the position limiting arm 25 and is not easy to be separated from the position limiting groove 23 of the position limiting rod 20, thereby facilitating the object placing main body 200 to bear a heavy object.

More specifically, the limiting arm 25 has a smooth guiding inclined surface 253 and a limiting surface 254, the limiting surface 254 extends in a curved manner to the guiding inclined surface 253, and the guiding inclined surface 253 and the limiting surface 254 of the adjacent limiting arm 25 are connected. When the user rotates the object placing main body 200 upward, when the movable rod main body 11 receives an acting force in the same extending direction as the movable rod main body 11, the positioning member 1222 of the positioning portion 122 can move from one of the limiting grooves 23 of the limiting rod 20 to the other limiting groove 23. For example, when the positioning element 1222 of the positioning portion 122 is located in the second limiting groove 23 of the limiting rod 20, and the movable rod body 11 is subjected to a force in the same direction as the extending direction of the movable rod body 11, the positioning element 1222 of the positioning portion 122 located in the second limiting groove 23 of the limiting rod 20 can move along the guiding inclined surface 253 of the limiting arm 25, so that the positioning element 1222 of the positioning portion 122 can be separated from the second limiting groove 23 of the limiting rod 20, and at this time, the positioning element 1222 of the positioning portion 122 gradually presses the elastic element 123 to deform the elastic element 123 to accumulate an elastic force; when the positioning element 1222 of the positioning portion 122 moves to the highest point of the guiding inclined surface 253 of the positioning portion 25, that is, the highest point of the high end portion 252 of the positioning portion 25, the positioning element 1222 of the positioning portion 122 is located in the movable groove 22 of the limiting rod 20, at this time, the pressing force applied to the elastic element 123 is the largest, when the positioning element 1222 of the positioning portion 122 continues to move outward, the positioning element 1222 of the positioning portion 122 is pressed into the third limiting groove 23 of the limiting rod 20 by the elastic force of the elastic element 123, the limiting surface 254 of the positioning portion 25 can be attached to the outer surface of the positioning element 1222 of the positioning portion 122, and the outermost side (the outermost side of the high end portion 252 of the limiting arm 5) of the limiting surface 254 of the positioning portion 25 exceeds the tangential position of the innermost side of the cross section of the positioning element 1222 of the positioning portion 122, thereby preventing the positioning member 1222 of the positioning portion 122 from moving up and down, which enters the limiting groove 23 of the limiting rod 20.

Further, referring to fig. 7, the movable lever 10 includes a reset unit 13, wherein the reset unit 13 has an accommodating space 131 and a reset space 132 communicating with each other, and wherein the reset space 132 is located at the upper left of the accommodating space 131. The reset unit 13 is movably disposed in the receiving groove 1214 of the fixing portion 121 of the positioning unit 12, and the receiving space 131 and the reset space 132 of the reset unit 13 communicate with the receiving groove 1214 of the fixing portion 121 and the movable space 12111 of the fixing plate 1211.

Further, the positioning member 1222 of the positioning part 122 is movable between the receiving space 131 of the reset unit 13 and the reset space 132 to be able to escape from the stopper groove 23 of the stopper rod 20 after the positioning member 1222 of the positioning part 122 is moved to the reset space 132 of the reset unit 13.

The limiting rod 20 has an inner wall 201 defining the accommodating cavity 21, and the reset unit 13 of the movable rod 10 is held in the accommodating cavity 21 of the limiting rod 20 in a manner of being pressed by the inner wall 201 of the limiting rod 20. Specifically, the reset unit 13 includes a moving portion 133, a movable arm 134, and an elastic link 135, and the reset unit 13 has a pressing space 136, the movable arm 134 extends obliquely upward from the moving portion 133 and forms the pressing space 136 between the movable arm 134 and the moving portion 133, and the elastic link 135 is connected to a free end of the movable arm 134 and the moving portion 133. Further, the reset unit 13 is held in the accommodating cavity 21 of the limiting rod 20 in a manner that the inner wall 201 of the limiting rod 20 presses the movable arm 134 and deforms the elastic connecting element 135.

It is worth mentioning that the elastic link 135 has elasticity, and the type of the elastic link 135 is not limited, and the elastic link 135 may be implemented as, but not limited to, a spring.

Further, the reset unit 13 has a blocking protrusion 137, and the blocking protrusion 137 extends from the moving portion 133. Correspondingly, the blocking end 1213 of the fixing portion 121 has a blocking slot 12131, the blocking end 1213 includes two blocking portions 12132 spaced apart from each other, the blocking slot 12131 is formed between the blocking portions 12132, and the blocking slot 12131 communicates with the receiving slot 1214. Referring to fig. 9B and 10B, the reset unit 13 can be held in the receiving groove 1214 of the fixing part 121 such that the blocking protrusion 137 is located in the blocking groove 12131 and the outer surface of the blocking part 12132 is fitted to the moving part 133.

Further, the reset unit 13 can move back and forth between the extending end 1212 and the blocking end 1213 of the fixing portion 121 of the positioning unit 12, so that the positioning member 1222 of the positioning portion 122 of the positioning unit 12 can move back and forth between the accommodating space 131 and the reset space 132 of the position limiting element 13, thereby changing the state of the foldable commodity shelf.

Specifically, referring to fig. 9B and 10B, in the process of extending the length of the support arm 300 by moving the positioning member 1222 of the positioning part 122 from one of the retaining grooves 23 of the retaining rod 20 into the other retaining groove 23, the placement body 200 is rotated upward, the movable lever main body 11 of the movable lever 10 pulls the positioning unit 12 to move outward, the blocking protrusion 137 of the reset unit 13 is held in the blocking groove 12131 of the blocking end 1213 of the fixing part 121, the reset unit 13 is pulled to move outwards synchronously during the outward movement of the positioning unit 12, the positioning member 1222 of the positioning part 122 moves between the movable groove 22 and the stopper groove 23 of the stopper rod 20, and at this time, the positioning member 1222 of the positioning part 122 moves up and down in the receiving space 131 of the reset unit 13.

Further, referring to fig. 7, the limiting rod 20 has an auxiliary groove 27 and a reset groove 28, two ends of the movable groove 22 are respectively communicated with the auxiliary groove 27 and the reset groove 28, so that the auxiliary groove 27 and the reset groove 28 are located at two ends of the movable groove 22, the auxiliary groove 27 and the reset groove 28 are communicated with the accommodating cavity 21 of the limiting rod 20, and the positioning member 1222 of the positioning portion 122 can slide along a track formed by the auxiliary groove 27 and the reset groove 28. Further, the auxiliary groove 27 of the stopper rod 20 is located outside the outermost stopper groove 23, and the reset groove 28 of the stopper rod 20 is located inside the innermost stopper groove 23.

Specifically, referring to fig. 12A to 13B, when the positioning element 1222 of the positioning portion 122 is located in the outermost limiting groove 23 of the limiting rod 20, the object placing main body 200 continues to rotate upward, the object placing main body 200 can pull the movable rod main body 11 of the movable rod 10 to continue moving outward, the positioning element 1222 of the positioning unit 12 moves into the auxiliary groove 27 from the outermost limiting groove 23 of the limiting rod 20, and when the positioning element 1222 of the positioning portion 122 moves to the outermost auxiliary groove 27 of the limiting rod 20, the length of the support arm 300 is longest. At this time, the placement body 200 is rotated inward, the movable rod body 11 of the movable rod 10 of the support arm 300 moves inward, the reset unit 13 is maintained in a relatively stationary state by the frictional resistance of the inner wall 201 of the stopper rod 20, that is, the positioning unit 12 of the movable rod 10 moves inward with respect to the reset unit 13, the blocking end 1213 of the fixing portion 121 of the positioning unit 12 is spaced apart from the blocking protrusion 137 of the reset unit 13, and the blocking protrusion 137 is spaced apart from the blocking groove 12131 of the blocking end 1213. At this time, when the placement body 200 continues to rotate downward with respect to the mounting body 100, the movable lever body 11 continues to move inward, and the positioning member 1222 of the positioning portion 122 of the positioning unit 12 can enter the reset space 132 from the accommodating space 131 of the reset unit 13. When the extending end 1212 of the fixing plate 1211 of the fixing portion 121 of the positioning unit 12 abuts against the outer surface of the moving portion 133 of the reset unit 13, the extending end 1212 of the fixing plate 121 of the positioning unit 12 pushes the reset unit 13 to move toward the reset groove 27 when the movable lever body 11 pushes the positioning unit 12 to move inward continuously.

It is worth mentioning that the positioning member 1222 of the positioning portion 122 of the positioning unit 12 can be moved from the auxiliary groove 27 of the stopper rod 20 to the reset groove 28 in such a manner as to be always held in the reset space 132 of the reset unit 13.

Referring to fig. 7, in detail, the reset unit 13 has a first inner wall 1301, a second inner wall 1302, a third inner wall 1303, a fourth inner wall 1304, a fifth inner wall 1305 and a sixth inner wall 1306, wherein the second inner wall 1302 extends vertically upward from the first inner wall 1301, the third inner wall 1303 extends obliquely leftward from the second inner wall 1302, the fourth inner wall 1304 extends vertically upward from the third inner wall 1303, the fifth inner wall 1305 extends vertically from the fourth inner wall 1304, the sixth inner wall 1306 extends downward from the fifth inner wall 1305, and is connected to the first inner wall 1301, the accommodating space 131 and the reset space 132 are formed among the first inner wall 1301, the second inner wall 1302, the third inner wall 1303, the fourth inner wall 1304, the fifth inner wall 1305 and the sixth inner wall 1306, and the reset space 132 is located above and to the left of the accommodating space 131. Further, the second inner wall 1302 and the third inner wall 1303 form a curved surface, and when the positioning unit 12 moves to the left side relative to the resetting unit 13, the positioning element 1222 of the positioning portion 122 of the positioning unit 12 passes through the second inner wall 1302 and moves to the third inner wall 1303, so as to enter the resetting space 132 of the resetting unit 13. Furthermore, the highest end of the third inner wall 1303 is higher than the high end 252 of the limiting arm 25 of the limiting rod 20, and when the extending end 1212 of the fixing portion 121 of the positioning unit 12 can push the resetting unit 13 to move inward, the positioning element 1222 held in the resetting space 132 is always located above the high end 252 of the limiting arm 25 of the limiting rod 20, so that the positioning element 1222 is held in the resetting space 131, passes through the movable slot 22 from the auxiliary slot 28 of the limiting rod 20, and moves to the resetting slot 28.

Further, when the positioning member 1222 of the positioning portion 122 of the positioning unit 12 of the movable rod 10 moves to the innermost side of the reset slot 28 of the limiting rod 20, the length of the supporting arm 300 is the shortest, and at this time, the object placing body 200 can rotate to be parallel to the wall surface, and the volume of the foldable object placing shelf is the smallest, as shown in fig. 13B. The restoring unit 13 of the movable bar 10 of the support arm 300 of the foldable commodity shelf in the folded state is always away from the blocking end 1213 of the fixing portion 121 of the positioning unit 12.

Referring to fig. 8A and 8B, when a user rotates outward to unfold the storage body 200 of the foldable storage shelf in the folded state, the movable rod body 11 of the movable rod 10 of the support arm 300 moves outward, the reset unit 13 is maintained in a relatively stationary state by frictional resistance of the inner wall 201 of the stopper rod 20, that is, the positioning unit 12 of the movable rod 10 moves outward relative to the reset unit 13, the blocking end 1213 of the fixing portion 121 of the positioning unit 12 approaches the blocking protrusion 137 of the reset unit 13, the blocking protrusion 137 enters the blocking groove 12131 of the blocking end 1213, and the positioning member 1222 of the positioning portion 122 of the positioning unit 12 moves from the resetting space 132 of the reset unit 13 to the accommodating space 131. The blocking protrusion 137 of the positioning unit 12 can be attached to the surface of the moving portion 133 of the reset unit 13, and thus when the movable lever body 11 continues to move outward, the blocking protrusion 137 of the positioning unit 12 pushes the reset unit 13 to move outward. Further, the length of the supporting arm 300 is adjusted by adjusting the movement of the positioning member 1222 in the movable slot 22 and the limiting slot 23, so as to change the angle between the object main body 200 and the installation main body 100.

The support arm 300 further includes an outer housing 30, the outer housing 30 has an outer receiving cavity 31, and the movable rod 10 and the limiting rod 20 are received in the outer receiving cavity 31. Preferably, the length of the outer shell 30 is greater than the length of the limit rod 20, the outer shell 30 can wrap the movable rod 10 and the limit rod 20, and the cross section of the end portion, close to the movable rod body 11 of the movable rod 10, of the outer shell 30 is gradually reduced to be slightly larger than the movable rod body 11 of the movable rod 10, so that external dust or other impurities are prevented from entering the outer accommodating cavity 31, and normal contraction of the support arm 300 is affected.

It will be appreciated by persons skilled in the art that the above embodiments are only examples, wherein features of different embodiments may be combined with each other to obtain embodiments which are easily imaginable in accordance with the disclosure of the invention, but which are not explicitly indicated in the drawings.

It will be understood by those skilled in the art that the embodiments of the present invention as described above and shown in the drawings are given by way of example only and are not limiting of the present invention. The objects of the present invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the embodiments without departing from the principles, embodiments of the present invention may have any deformation or modification.

Claims

1. A tensioner for tensioning a rope between two frame arms having at least one wire winding aperture, comprising:

a rotating part; and

2. The tensioner of claim 1 wherein the rotating portion is permitted to rotate unidirectionally within the retaining bore of the retaining portion.

3. The tensioner of claim 2 wherein the retaining portion has a plurality of retaining slots spaced around the retaining bore, and correspondingly the rotating portion has at least one retaining projection, wherein the retaining projection of the rotating portion is positionable in the retaining slot of the retaining portion.

4. The tensioner of claim 3 wherein said retaining portion has a plurality of tabs spaced from one another around said retaining bore, wherein said retaining grooves are formed between adjacent tabs to allow said retaining grooves to surround said retaining bore, wherein each of said tabs has a guide surface and a locating surface, respectively, said guide surface of one of said tabs corresponds to said locating surface of an adjacent one of said tabs, and said retaining grooves are formed between said guide surface of one of said tabs and said locating surface of an adjacent one of said tabs.

5. The tensioner of claim 4 wherein the shape of the retaining protrusion of the rotating portion is the same as the shape of the tab of the retaining portion.

6. The tensioner according to any one of claims 1 to 5, wherein said rotating portion comprises an upper rotating body extending from an upper side of said holding portion to said holding through hole of said holding portion, and a lower rotating body fixedly mounted to said upper rotating body from a lower side of said holding portion to rotatably mount said rotating portion to said holding through hole of said holding portion.

7. The tensioner as in claim 6, wherein the rotating portion further comprises an operating body integrally and protrudingly extending from the upper rotator.

8. The tensioner as claimed in any one of claims 1 to 5, wherein the rotating portion has a wire slot, and the wire inlet hole and the wire outlet hole of the retaining portion correspond to the wire slot of the rotating portion, respectively.

9. The tensioner of claim 6 wherein the rotating portion has a wire slot, the wire inlet hole and the wire outlet hole of the retaining portion corresponding to the wire slot of the rotating portion, respectively.

10. A tensioner as claimed in any one of claims 1-5, wherein the tension of the retaining portion is provided with a groove that extends from one end of the mounting plane to the other end.

11. The tensioner of claim 9 wherein the tension of the retaining portion is provided with a groove extending from one end of the mounting plane to the other end.

12. A foldable storage shelf, comprising:

13. Foldable commodity shelf according to claim 12, wherein the end of each frame arm is rotatably mounted to each mounting body, respectively, wherein the foldable commodity shelf further comprises two support arms, each support arm having two ends rotatably mounted to the mounting body and the frame arm, respectively, and the support arms are adjustable in length.

14. The foldable commodity shelf of claim 13, wherein the support arm comprises a position-limiting rod and a movable rod, wherein the position-limiting rod has a receiving cavity, at least one movable groove and at least one row of position-limiting grooves, one end of the position-limiting rod is rotatably mounted on the mounting body, the receiving cavity extends from the other end of the position-limiting rod to the direction of the end of the position-limiting rod for mounting the mounting body, the extending direction of the movable groove and the row of position-limiting grooves is the same as the extending direction of the position-limiting rod, the movable groove communicates with the receiving cavity on one side of the position-limiting rod, the row of position-limiting grooves communicates with the receiving cavity on one side of the position-limiting rod and communicates with the movable groove on the lower side of the movable groove; wherein the movable bar includes a movable bar main body and a positioning unit, the positioning unit further includes a fixing portion which is provided at one end portion of the movable bar main body and has a movable space, the other end portion of the movable bar main body is rotatably installed at the frame arm, the positioning portion includes a movable plate and at least one positioning member protrudingly provided at one side of one end portion of the movable plate, the movable plate is movably provided at the movable space of the fixing portion in such a manner that both ends of the movable plate can move up and down, and an elastic member which is provided at a middle portion of upper sides of the fixing portion and the movable plate, wherein one end portions of the positioning unit and the movable bar main body are movably installed at the receiving chamber of the stopper bar, when the movable rod main body drives the positioning unit to move in the accommodating cavity of the limiting rod so that the positioning element moves along a track formed by the accommodating cavity of the limiting rod, the positioning element is arranged to automatically enter the limiting groove of the limiting rod.

15. The foldable supporter as claimed in claim 14, wherein the stopper rod includes a stopper rod body and a plurality of stopper arms, each of the stopper arms extends along an inner wall of the stopper rod body for forming the movable groove in a spaced and curved manner toward a direction of the movable rod body away from the stopper rod, and an outermost side of a high end of the stopper arm exceeds a tangential position of an innermost side of the stopper groove of the stopper rod.

16. The foldable commodity shelf of claim 15, wherein the support arm further comprises a reset unit having a receiving space and a reset space communicating with an upper corner of the receiving space such that a height of a bottom wall of the reset space is higher than a height of a bottom wall of the receiving space, wherein the fixing part has a receiving groove, the reset unit is movably disposed at the receiving groove of the fixing part, wherein the positioning member of the positioning part can be moved from the receiving space of the reset unit to the reset space and from the reset space to the receiving space.

17. The foldable supporter as claimed in claim 16, wherein the restoring unit includes a moving portion, a movable arm and an elastic connector, and the restoring unit has a pressing space, wherein the moving portion is movably disposed at the receiving groove of the fixing portion and forms the receiving space and the restoring space, the movable arm integrally extends to the moving portion to form the pressing space between the movable arm and the moving portion, and the elastic connector is disposed between a free end of the movable arm and the moving portion, wherein the restoring unit is disposed at the receiving cavity of the stopper in such a manner that an inner wall of the stopper for forming the receiving cavity presses the movable arm and deforms the elastic connector.

18. Foldable shelf according to any of claims 12 to 17 wherein said rotary part is allowed to rotate in one direction inside said holding through hole of said holding part.

19. Foldable shelf according to claim 18, wherein said holding part has a plurality of holding grooves surrounding said holding perforations at a distance from each other, and correspondingly said rotating part has at least one holding projection, wherein said holding projection of said rotating part can be positioned in said holding groove of said holding part.

20. The foldable commodity shelf of claim 19, wherein the rotation part comprises an upper rotation body extending from an upper side of the holding part to the holding through hole of the holding part, and a lower rotation body fixedly mounted to the upper rotation body from a lower side of the holding part to rotatably mount the rotation part to the holding through hole of the holding part.