CN210642871U

CN210642871U - Support bone, rib structure and umbrella

Info

Publication number: CN210642871U
Application number: CN201921878445.4U
Authority: CN
Inventors: 张少波; 肖金定
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-06-02
Anticipated expiration: 2029-11-04

Abstract

The utility model provides a support rib, rib structure and umbrella, relate to parachute kit technical field, solve the technical problem that the adoption of traditional rib leads to the umbrella cloth to take up and unfold inconveniently and the security is relatively poor that exist among the prior art, support rib includes many connecting rod assembly, flexible subassembly and support piece, many connecting rod assembly is provided with link and output, flexible subassembly includes exoskeletal component and endoskeleton, support piece includes support arm and linking arm, one end of endoskeleton with the output rotatable coupling, the other end of endoskeleton passes exoskeletal component and with the support arm rotatable coupling, the both ends of linking arm respectively with the middle part district section of support arm with exoskeletal component rotatable coupling; the utility model discloses a many link assembly and flexible subassembly mutually support, make the expansion that support piece can be stable smoothly with draw in, the effect is showing, can effectively avoid simultaneously because of the potential safety hazard that adopts traditional umbrella pearl to exist, factor of safety is high.

Description

Support bone, rib structure and umbrella

Technical Field

The utility model relates to an parachute kit technical field, concretely relates to support bone spare, rib structure and umbrella.

Background

The umbrella is used for sheltering from sunshine among the people daily life, the common life instrument of sleet, by people's general use, the umbrella is classified according to the number of folds and includes long handle umbrella, two folding umbrellas, three folding umbrellas and many folding umbrellas etc., traditional long handle umbrella, under the certain condition of main umbrella rib, often need longer festival bone, just can guarantee the exhibition arm after the expansion, and the storage after longer festival bone is not convenient for draw in, to traditional two folding umbrellas, three folding umbrellas or many folding umbrellas, often there are a plurality of festival bones to constitute, can play the effect of increase exhibition arm to a certain extent through setting up of a plurality of festival bones, but no matter be long handle umbrella, two folding umbrellas or many folding umbrellas, all adopt traditional umbrella pearl to come lug connection support bone spare and umbrella cloth, be not convenient for expand or draw in, the potential safety hazard that the mistake was stabbed still exists simultaneously, the security is relatively poor.

SUMMERY OF THE UTILITY MODEL

One of the objectives of the present invention is to provide a supporting rib to solve the technical problems of the prior art that the folding and unfolding of umbrella cloth is inconvenient and the safety is poor due to the adoption of the conventional umbrella ribs; the utility model provides a plurality of technical effects that the preferred technical scheme in a plurality of technical schemes can produce (two connecting arms and two supporting arms form a four-bar mechanism and are symmetrically arranged relative to an inner framework, which is convenient for opening and furling the umbrella cloth, the arrangement of a first connecting seat and a second connecting seat leads the supporting piece to be detachably connected with a telescopic component, which can realize the replacement of the supporting piece, the end part of the inner framework is inserted in a mounting hole, the end part of the outer framework is connected with a clamping groove by a clamping hook part in a clamping way, on one hand, the supporting piece is firmly installed, on the other hand, the replacement of the supporting piece is convenient and rapid, a multi-bar component composed of a first section of framework, a second section of framework, a third section of framework, a first connecting rod and a second connecting rod has small occupied space when furling, the arms are expanded when spreading, and are convenient for transmitting power to the telescopic component, the multi-, power is further conveniently transmitted to the telescopic assembly, so that the transmission effect is more obvious; the multi-link assembly also comprises a tension spring, so that the multi-link assembly can be automatically folded, is convenient to operate and the like); see below for details.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pair of support bone spare, including many link assembly, flexible subassembly and support piece, many link assembly is provided with link and output, flexible subassembly includes outer bone spare and interior bone spare, support piece includes support arm and linking arm, wherein: one end of the inner bone piece is rotatably connected with the output end, the other end of the inner bone piece penetrates through the outer bone piece and is rotatably connected with the supporting arm, one end of the connecting arm is rotatably connected with the middle section of the supporting arm, the other end of the connecting arm is rotatably connected with the outer bone piece, and the outer bone piece is rotatably connected with the connecting end; the multi-link assembly can push and pull the inner bone piece to slide relative to the outer bone piece through the output end so as to enable the supporting arm to be unfolded or folded.

Preferably, the number of the support arms and the number of the connecting arms are two, the two support arms are symmetrically arranged relative to the inner bone, and the two connecting arms are symmetrically arranged relative to the outer bone.

Preferably, the support further comprises a first connecting seat and a second connecting seat, wherein: the supporting arm is rotatably arranged on the first connecting seat, and the inner bone piece is detachably connected with the supporting arm through the first connecting seat; the connecting arm is rotatably arranged on the second connecting seat, and the outer bone piece is detachably connected with the connecting arm through the second connecting seat.

Preferably, the first connecting seat is provided with a mounting hole, and the end part of the inner bone piece is inserted into the mounting hole; the second connecting seat is provided with a clamping groove, the end part of the outer bone piece is provided with a clamping hook part, and the clamping hook part is connected with the clamping groove in a clamping mode.

Preferably, the multi-link assembly includes a first joint bone, a second joint bone, a third joint bone, a first link and a second link, the first joint bone, the second joint bone and the third joint bone are rotatably connected in sequence, wherein: one end of the third rib is arranged as a connecting end of the multi-link assembly, the other end of the third rib is rotatably connected with the first link, and the first link is rotatably arranged on the first rib; one end of the second connecting rod is set as the output end of the multi-link assembly, and the other end of the second connecting rod is rotatably arranged on the second joint bone.

Preferably, the multi-link assembly further comprises a third link, wherein: one end and the output end of the third connecting rod are rotatably connected with the end part of the inner bone piece; the other end of the third connecting rod is rotatably arranged on the third ossicle.

Preferably, a tension spring is arranged between the second joint bone and the third joint bone, and two ends of the tension spring are respectively and rotatably arranged on the second joint bone and the third joint bone.

The utility model provides a pair of support bone spare has following technological effect at least:

the supporting bone part comprises a multi-link assembly, a telescopic assembly and a supporting part, and the multi-link assembly can drive the telescopic assembly to extend and retract so as to drive the supporting part to expand or furl; the multi-link assembly is provided with a connecting end and an output end, the telescopic assembly comprises an outer bone piece and an inner bone piece, the supporting piece comprises a supporting arm and a connecting arm, one end of the inner bone piece is rotatably connected with the output end, the other end of the inner bone piece passes through the outer bone piece and the supporting arm, one end of the connecting arm is rotatably connected with the middle section of the supporting arm, the other end of the connecting arm is rotatably connected with the outer bone piece, the outer bone piece is rotatably connected with the connecting end, the inner bone piece can slide relative to the outer bone piece, the connecting arm and the supporting arm form a link mechanism, the multi-link assembly can push and pull the inner bone piece to slide relative to the outer bone piece through the output end so as to expand or furl the supporting arm, on one hand, under the premise of certain length of a joint bone through the multi-link assembly, can effectively increase the arm exhibition that supports the bone spare, on the other hand is convenient for transmit power to interior bone spare on to make interior bone spare can follow outer bone spare and slide, and then make support piece can expand and draw in, mutually support mutually through support piece, many link assembly and flexible subassembly and be used for opening and drawing in of umbrella jointly, not only open and draw in the effect in and show, traditional umbrella pearl that compares moreover can effectively improve the security.

Another object of the present invention is to provide an umbrella rib structure, which provides a plurality of technical effects (the main umbrella rib is set as a telescopic main umbrella rib capable of forming a two-fold umbrella and a multi-fold umbrella, on one hand, the main umbrella rib is convenient to store after being completely contracted, and on the other hand, the main umbrella rib is convenient to use after being completely extended); see below for details.

the utility model provides a pair of umbrella rib structure, including the main umbrella rib, be provided with on the main umbrella rib support bone spare, all support bone spare for main umbrella rib circumference distributes, one side of many link assembly is provided with the link with the output, many link assembly's opposite side is provided with expansion end and stiff end, wherein: the main umbrella ribs are fixedly sleeved with upper nests, and the fixed ends are rotatably arranged on the upper nests; the main umbrella rib is provided with a lower nest below the upper nest in a movable sleeve mode, the movable end is rotatably arranged on the lower nest, and the lower nest can slide along the main umbrella rib.

Preferably, the main umbrella rib is provided as a telescopic main umbrella rib.

The utility model provides a pair of rib structure has following technological effect at least:

the rib structure includes the main rib, be provided with support bone spare on the main rib, all support bone spare for main rib circumference distributes, the main rib is used for supporting the installation and the support of bone spare, fixed cover is equipped with the nest on the main rib, the rotatable setting of stiff end is in go up on the nest, the main rib is located the below movable sleeve of going up the nest is equipped with down the nest, the rotatable setting of link is in down on the nest, down the nest can be followed the main rib slides, support bone spare passes through go up the nest with down the nest sets up on the main rib, follow the main rib slides down the nest, support bone spare can be opened or draw in, the utility model discloses the rib structure of traditional long handle umbrella can increase the arm exhibition under the certain circumstances of festival bone length through the setting of many link assemblies, compares the rib structure of traditional umbrella through many link assemblies, The flexible subassembly and support piece mutually support, and the transmission effect is showing, and it is showing to open and draw in the effect in, and support piece can effectively avoid the potential safety hazard because of adopting traditional umbrella pearl to bring simultaneously, and factor of safety is higher.

Another object of the utility model is to provide an umbrella, provide following technical scheme:

the utility model provides a pair of umbrella, including umbrella cloth and rib structure, wherein: the middle part of the umbrella cloth is connected with the main umbrella ribs; the umbrella is characterized in that mounting sleeves are circumferentially distributed at positions, close to the edges, of the inner side face of the umbrella cloth, and all the supporting pieces are respectively arranged in the corresponding mounting sleeves.

The utility model provides a pair of umbrella has following technological effect at least:

the umbrella includes umbrella cloth and rib structure, umbrella cloth is used for sheltering from sunshine, rainwater etc., rib structure is used for the support and the installation of umbrella cloth, the middle part position of umbrella cloth with the main rib links to each other, the medial surface of umbrella cloth is close to the position circumference distribution at edge and has the installation cover, all support piece sets up respectively and is corresponding in the installation cover, the installation cover is used for support piece's installation and accomodates, the utility model discloses the umbrella not only draws in and expandes the effect and is showing, and folding occupation space is less moreover, convenient to accomodate, uses process safe and reliable simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a side view of the supporting bone member structure of the present invention;

FIG. 2 is a schematic structural view of the multi-link assembly and the telescopic assembly of the present invention;

FIG. 3 is a schematic structural view of the supporting member of the present invention;

FIG. 4 is a schematic structural view of another embodiment of the supporting member of the present invention;

FIG. 5 is a schematic view of the umbrella rib structure of the present invention;

fig. 6 is a schematic view of the umbrella of the present invention.

Reference numerals

1. Umbrella cloth; 11. installing a sleeve; 2. an umbrella frame structure; 21. supporting the bone member; 211. a multi-link assembly; 2111. a first section of bone; 2112. a second section of bone; 2113. a second link; 2114. a third link; 2115. a third section of bone; 2116. a tension spring; 2117. a first link; 212. a telescoping assembly; 2121. an internal bone member; 2122. an exoskeleton; 213. a support member; 2131. a support arm; 2132. a connecting arm; 2133. a first connecting seat; 2134. a second connecting seat; 22. a main umbrella rib; 23. an upper nest; 24. a nest is arranged; 25. an installation part; 3. an umbrella handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1:

the utility model provides a support bone spare, as figure 1 the utility model discloses support bone spare structure side view and figure 2 the utility model discloses many link assembly and flexible subassembly schematic structure are shown, it includes many link assembly 211, flexible subassembly 212 and support piece 213 to support the bone spare, and many link assembly 211 is provided with link and output, and flexible subassembly 212 includes exoskeleton 2122 and interior bone spare 2121, and support piece 213 includes support arm 2131 and linking arm 2132, wherein: one end of the inner bone 2121 is rotatably connected with the output end, the other end of the inner bone 2121 passes through the outer bone 2122 and is rotatably connected with the support arm 2131, one end of the connecting arm 2132 is rotatably connected with the middle section of the support arm 2131, the other end of the connecting arm 2132 is rotatably connected with the outer bone 2122, the support arm 2131 and the connecting arm 2132 form a connecting rod mechanism, and the outer bone 2122 is rotatably connected with the connecting end; the multi-link assembly 211 can simultaneously push and pull the inner bone 2121 to slide relative to the outer bone 2122 via the output end during the unfolding or folding process, so as to unfold or fold the support arm 2131.

During unfolding of the supporting bone parts, the output end of the multi-link assembly 211 is connected with the inner bone part 2121, the connecting end of the multi-link assembly 211 is connected with the outer bone part 2122, when the multi-link assembly 211 is unfolded, power is transmitted to the telescopic assembly 212 through the output end and the connecting end, at the moment, the supporting bone parts begin to unfold, during unfolding, the inner bone part 2121 slides towards one side close to the multi-link assembly 211 along the outer bone part 2122, and simultaneously drives one end, connected with the inner bone part 2121, of the supporting arm 2131 to move along the direction close to the multi-link assembly 211, and at the moment, the supporting arm 2131 is unfolded under the support of the connecting arm 2132; the process of the support bone piece folding is opposite to the process of the support bone piece unfolding; the utility model discloses, can increase the arm exhibition through many link assembly under the certain condition of festival bone length, through the transmission of many link assembly and the flexible subassembly power of being convenient for, make the expansion that support piece can be stable smoothly with draw in, the effect is showing, can effectively avoid the potential safety hazard because of adopting traditional umbrella pearl to exist through support piece simultaneously, factor of safety is high.

As an optional implementation manner, as shown in fig. 3, the number of the supporting arms 2131 and the number of the connecting arms 2132 are two, two supporting arms 2131 are symmetrically arranged relative to the inner frame 2121, two connecting arms 2132 are symmetrically arranged relative to the outer frame 2122, and the two supporting arms 2131 and the two connecting arms 2132 form a four-bar linkage mechanism, so that the umbrella cloths on two sides of the supporting frame can be opened or closed at the same time.

As shown in fig. 3, the inner bone 2121 and the supporting arm 2131 are flexibly and rotatably connected and integrally disposed, the outer bone 2122 and the connecting arm 2132 are flexibly and rotatably connected and integrally disposed, the supporting arm 2131 and the connecting arm 2132 are flexibly and rotatably connected and integrally disposed, and the supporting member 213 and the telescopic assembly 212 are made of plastic materials.

As an optional embodiment, as shown in fig. 4, the supporting member 213 further includes a first connecting seat 2133 and a second connecting seat 2134, wherein: the supporting arm 2131 is rotatably arranged on the first connecting seat 2133, and the inner bone piece 2121 is detachably connected with the supporting arm 2131 through the first connecting seat 2133; the connecting arm 2132 is rotatably arranged on the second connecting seat 2134, the exoskeleton 2122 is detachably connected with the connecting arm 2132 through the second connecting seat 2134, the supporting piece 213 is easily damaged in the daily use process, and the detachable arrangement enables the supporting piece 213 to be replaced.

As an alternative embodiment, as shown in fig. 4, the first connecting seat 2133 is provided with a mounting hole, and the end of the inner bone 2121 is inserted into the mounting hole; the second connecting seat 2134 is provided with a clamping groove, the end part of the outer bone part 2122 is provided with a clamping hook part, the clamping hook part is connected with the clamping groove in a clamping manner, and the support piece 213 is convenient and quick to replace through a detachable connecting mode of the clamping manner.

The supporting arm 2131 and the first connecting seat 2133 are flexibly and rotatably connected and integrally arranged, the connecting arm 2132 and the second connecting seat 2134 are flexibly and rotatably connected and integrally arranged, and the supporting arm 2131, the connecting arm 2132, the first connecting seat 2133 and the second connecting seat 2134 are made of plastic materials.

In an alternative embodiment, as shown in FIG. 2, the multi-link assembly 211 includes a first condyle 2111, a second condyle 2112, a third condyle 2115, a first link 2117, and a second link 2113, the first condyle 2111, the second condyle 2112, and the third condyle 2115 being rotatably coupled in sequence, the first condyle 2111, the second condyle 2112, and the third condyle 2115 being movably riveted in sequence, wherein: one end of the third condyle 2115 is configured as a connecting end of the multi-link assembly 211, the other end of the third condyle 2115 is rotatably connected to the first link 2117, and the first link 2117 is rotatably disposed on the first condyle 2111; one end of the second link 2113 is configured as an output end of the multi-link assembly 211, the other end of the second link 2113 is rotatably disposed on the second condyle 2112, the first link 2117 is hinged to the third condyle 2115 and the first condyle 2111, and the second link 2113 is hinged to the endoskeleton 2121 and the second condyle 2112.

As an alternative embodiment, as shown in fig. 2, the multi-link assembly 211 further includes a third link 2114, wherein: one end and the output end of the third connecting rod 2114 are rotatably connected with the end of the internal bone part 2121, the other end of the third connecting rod 2114 is rotatably arranged on the third condyle 2115, the arrangement of the third connecting rod 2114 can effectively avoid mutual offset of the condyles of the multi-connecting-rod assembly 211 in the unfolding or folding process, so that the unfolding motion and the folding motion of the multi-connecting-rod assembly 211 are always carried out in the same plane, the process is more stable, and the third connecting rod 2114 is respectively hinged with the third condyle 2115 and the internal bone part 2121.

As an optional implementation manner, a tension spring 2116 is arranged between the second condyle 2112 and the third condyle 2115, two ends of the tension spring 2116 are respectively and rotatably arranged on the second condyle 2112 and the third condyle 2115, and the tension spring 2116 enables the supporting bone member to be automatically folded, so that the use process is more convenient.

Example 2

Example 2 is based on example 1:

the utility model provides an umbrella rib structure, as fig. 5 the utility model discloses umbrella bone structure sketch is shown, umbrella rib structure includes main rib 22, is provided with support bone spare 21 on the main rib 22, and the quantity that supports bone spare 21 sets up a plurality ofly, preferably, and the quantity that supports bone spare 21 sets up to six, and all support bone spare 21 are provided with for main rib 22 circumference, one side of many link assembly 211 the link with the output, many link assembly 211's opposite side are provided with expansion end and stiff end, and the rotatable setting of the one end of second festival bone 2112 is on third festival bone 2115, and the other end of second festival bone 2112 sets up to the stiff end, the rotatable setting of the one end of first festival bone 2111 is on second festival bone 2112, and the other end of first festival bone 2111 sets up to the expansion end, wherein: the main umbrella rib 22 is fixedly sleeved with an upper nest 23, the fixed end is rotatably arranged on the upper nest 23, and the fixed end is hinged with the upper nest 23; the main umbrella rib 22 is provided with a lower nest 24 under the upper nest 23, the movable end is rotatably arranged on the lower nest 24, the movable end is hinged with the lower nest 24, and the lower nest 24 can slide along the main umbrella rib 22.

Be provided with the locking button on the nest 24 down, be provided with the locking groove on the main rib 22, work as when the rib structure is opened completely, the block portion joint on the locking button is in the locking inslot presses the locking knob, block portion breaks away from the locking groove, and the rib structure begins to draw in, and the structure of nest 24 is the same under the structure of nest with traditional many folding umbrellas down.

The bottom of main rib 22 is connected and is provided with installation department 25, is provided with the external screw thread on the installation department 25 outer wall, and umbrella stick 3 and installation department 25 threaded connection.

As an alternative embodiment, as shown in fig. 5, the main ribs 22 are provided as telescopic main ribs, the rib structure forming a multi-fold rib structure; the telescopic main umbrella ribs are arranged into two sections, three sections or a plurality of sections, all the sections are sleeved in sequence, and the upper nest 23 and the lower nest 24 are both arranged on one section of the main umbrella ribs on the outermost side.

Example 3

Example 3 is based on example 2:

the utility model provides an umbrella, as shown in figure 6 the utility model discloses umbrella structure sketch shows, the umbrella includes umbrella cloth 1 and rib structure 2, wherein: the middle part of the umbrella cloth 1 is connected with main umbrella ribs 22; the medial surface of umbrella cloth 1 is close to the position circumference distribution at edge and has installation cover 11, and all support piece 213 set up respectively in corresponding installation cover 11, and umbrella cloth 1's middle part position and umbrella hat fixed connection are passed at the top of main rib 22, and the bottom threaded connection of main rib 22 has umbrella stick 3, and the top surface of umbrella stick 3 is provided with the holding tank, works as when the umbrella draws in, the tip that third section bone 2115 and first connecting rod 2117 are connected can be accomodate in the holding tank.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. Supporting bone, comprising a multi-link assembly (211), a telescopic assembly (212) and a support (213), the multi-link assembly (211) being provided with a connecting end and an output end, the telescopic assembly (212) comprising an outer bone (2122) and an inner bone (2121), the support (213) comprising a support arm (2131) and a connecting arm (2132), wherein:

one end of the inner bone piece (2121) is rotatably connected with the output end, the other end of the inner bone piece (2121) penetrates through the outer bone piece (2122) and is rotatably connected with the supporting arm (2131), one end of the connecting arm (2132) is rotatably connected with the middle section of the supporting arm (2131), the other end of the connecting arm (2132) is rotatably connected with the outer bone piece (2122), and the outer bone piece (2122) is rotatably connected with the connecting end;

the multi-link assembly (211) can push and pull the inner bone piece (2121) to slide relative to the outer bone piece (2122) through the output end so as to enable the support arm (2131) to be unfolded or folded.

2. The supporting bone as claimed in claim 1, characterized in that the number of supporting arms (2131) and connecting arms (2132) is two, two supporting arms (2131) being symmetrically arranged with respect to the inner bone (2121) and two connecting arms (2132) being symmetrically arranged with respect to the outer bone (2122).

3. The supporting bone as claimed in claim 1, characterized in that said support (213) further comprises a first connecting seat (2133) and a second connecting seat (2134), wherein:

the supporting arm (2131) is rotatably arranged on the first connecting seat (2133), and the inner bone piece (2121) is detachably connected with the supporting arm (2131) through the first connecting seat (2133);

the connecting arm (2132) is rotatably arranged on the second connecting seat (2134), and the exoskeleton (2122) is detachably connected with the connecting arm (2132) through the second connecting seat (2134).

4. The supporting bone as claimed in claim 3, characterized in that said first coupling seat (2133) is provided with a mounting hole in which an end of said internal bone (2121) is inserted;

the second connecting seat (2134) is provided with a clamping groove, the end part of the outer bone piece (2122) is provided with a clamping hook part, and the clamping hook part is connected with the clamping groove in a clamping mode.

5. The support bone member of claim 1, wherein the multi-link assembly (211) includes a first condyle (2111), a second condyle (2112), a third condyle (2115), a first link (2117), and a second link (2113), the first condyle (2111), the second condyle (2112), and the third condyle (2115) being rotatably connected in that order, wherein:

one end of the third condyle (2115) is arranged as a connecting end of the multi-link assembly (211), the other end of the third condyle (2115) is rotatably connected with the first connecting rod (2117), and the first connecting rod (2117) is rotatably arranged on the first condyle (2111);

one end of the second connecting rod (2113) is arranged as an output end of the multi-link assembly (211), and the other end of the second connecting rod (2113) is rotatably arranged on the second bone (2112).

6. The supporting bone member according to claim 5, characterized in that said multi-link assembly (211) further comprises a third link (2114), wherein:

one end and the output end of the third connecting rod (2114) are rotatably connected with the end part of the internal bone part (2121);

the other end of the third connecting rod (2114) is rotatably arranged on the third ossicle (2115).

7. The supporting bone as claimed in claim 5, characterized in that a tension spring (2116) is arranged between the second (2112) and third (2115) ossicles, both ends of the tension spring (2116) being rotatably arranged on the second (2112) and third (2115) ossicles, respectively.

8. Umbrella structure, characterized in that it comprises a main umbrella rib (22), said main umbrella rib (22) being provided with supporting bone elements (21) according to any one of claims 1 to 7, all said supporting bone elements (21) being circumferentially distributed with respect to said main umbrella rib (22), one side of said multi-link assembly (211) being provided with said connecting end and said output end, the other side of said multi-link assembly (211) being provided with a movable end and a fixed end, wherein:

an upper nest (23) is fixedly sleeved on the main umbrella rib (22), and the fixed end is rotatably arranged on the upper nest (23);

the main umbrella ribs (22) are positioned below the upper nest (23) and movably sleeved with a lower nest (24), the movable ends are rotatably arranged on the lower nest (24), and the lower nest (24) can slide along the main umbrella ribs (22).

9. Umbrella frame according to claim 8, characterized in that the main umbrella rib (22) is provided as a telescopic main umbrella rib.

10. An umbrella, characterized in that it comprises an umbrella cloth (1) and an umbrella rib structure (2) according to claim 8 or 9, wherein:

the middle part of the umbrella cloth (1) is connected with the main umbrella ribs (22);

the umbrella is characterized in that mounting sleeves (11) are circumferentially distributed at positions, close to the edges, of the inner side face of the umbrella cloth (1), and all the supporting pieces (213) are respectively arranged in the corresponding mounting sleeves (11).