CN212233423U - Novel umbrella frame and umbrella with same - Google Patents

Abstract

The utility model discloses a novel umbrella framework and an umbrella with the framework, wherein the umbrella framework comprises a main framework, a first reinforcing rib and a second reinforcing rib which can be switched between an opening state and a folding state, the inner end of the first reinforcing rib is rotationally connected with the main framework and can slide relative to the main framework, the outer end of the second reinforcing rib is rotationally connected with the outer end of the first reinforcing rib, and the inner end of the second reinforcing rib is rotationally connected with the outer side of the main framework; when strong wind blows the parachute kit skeleton upwards, first, second are strengthened the parachute kit skeleton and can be avoided for a down pulling force in the main frame outside the umbrella, the utility model discloses parachute kit skeleton and parachute kit are blown by wind and are turned over, thereby the utility model discloses wind resistance can the reinforce.

Description

Novel umbrella frame and umbrella with same

Technical Field

The utility model relates to an umbrella, in particular to a novel umbrella framework and an umbrella with the framework.

Background

The umbrella can be used for shading sun, rain and snow and also can keep out the wind, and is a daily product for people. In the actual life, the common umbrella has poor wind resistance, and the umbrella is often blown over in a strong wind day, namely, blown to be turned over upwards, so that the umbrella cannot shield the user from wind and rain, and the umbrella framework is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects, and provides a novel umbrella framework and an umbrella with the framework, which have strong wind resistance.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a novel umbrella frame, its is collapsible, umbrella frame is including main skeleton, first enhancement rib and the second enhancement rib that can change between strutting state and fold condition, first enhancement rib inner rotates with main skeleton to be connected and main skeleton slides relatively, the second is strengthened rib inner and is rotated with first enhancement rib outer end and be connected, and the second is strengthened rib outer end and is rotated with the main skeleton outside and be connected.

A sliding seat can be connected to the main framework in a relatively sliding mode, and the inner end of the first reinforcing umbrella rib is connected with the sliding seat in a relatively rotating mode.

The main framework is provided with a fixed seat, and when the main framework is in a strutting state, the outer end of the sliding seat is abutted against the fixed seat.

The main framework comprises an inner rib, a middle rib, an outer rib, a driving rib, a driven rib, a support rod, an upper nest connected to the support rod, a lower nest connected to the support rod in a relatively up-down moving mode, and an elastically deformable linkage rib, wherein one end of the inner rib is rotatably connected to the upper nest, the other end of the inner rib is rotatably connected with the middle rib, and the outer end of the middle rib is rotatably connected with the outer rib; the two ends of the driving umbrella ribs are respectively and rotatably connected with the lower hive and the inner segment umbrella ribs; one end of the driven umbrella rib is rotationally connected with the driving umbrella rib, the other end of the driven umbrella rib is rotationally connected with the inner end of the middle umbrella rib, and the inner umbrella rib, the middle umbrella rib, the driving umbrella rib and the driven umbrella rib form a four-bar structure; the umbrella is characterized in that a perforation is formed in the middle rib, one end of the linkage rib is rotatably connected with the inner rib, the other end of the linkage rib can movably penetrate through the perforation and then is rotatably connected with the inner end of the outer rib, and when the umbrella framework is in an opening state, the linkage rib is integrally in an arc shape which is bent downwards.

The inner end of the first reinforcing umbrella rib is connected with the middle umbrella rib in a relatively rotating mode and can slide relative to the middle umbrella rib, and the outer end of the second reinforcing umbrella rib is connected with the outer umbrella rib in a rotating mode.

The sliding seat can be connected to the middle umbrella rib in a relatively sliding mode, and the sliding seat can slide along the extending direction of the middle umbrella rib.

The fixing seat is arranged on the middle umbrella rib.

The through hole is arranged on the fixed seat; preferably, the fixing seat comprises a fixing part fixedly connected with the middle umbrella rib, two side plates respectively extending upwards from two sides of the upper end of the fixing part at intervals, and pressing parts with two ends respectively connected to the upper sides of the two side plates, and the pressing parts, the two side plates and the fixing part form the through hole together; preferably, the inner end of the middle umbrella rib is fixedly connected with a first pivoting seat, and the inner umbrella rib and the driven umbrella rib are rotationally connected to the first pivoting seat; or/and the outer end of the middle umbrella rib is fixedly connected with a second pivoting seat, and the outer umbrella rib is rotationally connected to the second pivoting seat; or the outer rib of the outer section is fixedly connected with a second pivot seat, and the outer end of the middle rib of the outer section is rotatably connected with the second pivot seat.

The second reinforcing ribs are provided as hard fiber ribs.

An umbrella comprises the umbrella framework.

The utility model has the advantages that:

1. the umbrella framework and the umbrella of the utility model adopt the structure, when strong wind blows upwards, the first and the second reinforced umbrella frameworks can provide downward pulling force for the outer side of the main framework, thereby avoiding the umbrella framework and the umbrella from being turned over by wind, and the umbrella framework and the umbrella of the utility model have strong wind resistance;

2. when the umbrella framework is in a spreading state, the outer end of the sliding seat is abutted against the fixed seat, so that when the spread umbrella framework and the umbrella are blown upwards by strong wind, the first reinforced rib cannot move outwards, the first reinforced rib can be ensured to be capable of effectively pulling the second reinforced rib, the second reinforced rib can be further ensured to be capable of effectively pulling the main framework downwards, and the wind resistance of the utility model is further enhanced;

3. when the umbrella framework is in an opening state, the linkage umbrella ribs always push the inner ends of the outer section umbrella ribs upwards due to the elasticity of the linkage umbrella ribs, so that the outer ends of the outer section umbrella ribs always bear downward pressure, and the outer section umbrella ribs can bear larger upwards force, and the wind resistance of the umbrella framework is further improved;

4. the interior festival rib, well festival rib, drive rib, the driven rib constitution of main skeleton constitute to four-bar linkage, because four-bar linkage's stability, and the interior festival rib among the four-bar linkage is connected with last nest, lower nest on the vaulting pole respectively with the drive rib, thereby make the utility model discloses the parachute kit skeleton is more firm, can further bear bigger up power, and anti-wind ability is stronger.

Drawings

FIG. 1 is a schematic view of the umbrella frame of the present invention in an unfolded state;

FIG. 2 is an enlarged schematic view of the umbrella frame of the present invention at one side in the unfolded state;

FIG. 3 is an enlarged schematic view of the portion B of FIG. 2;

FIG. 4 is a schematic view of the umbrella frame of the present invention during the folding process;

FIG. 5 is an enlarged view of the umbrella frame of the present invention at one side during the folding process;

FIG. 6 is an enlarged view of the fixing base of the umbrella frame of the present invention;

fig. 7 is an enlarged view of another embodiment of the fixing base of the umbrella frame of the present invention.

Detailed Description

As shown in fig. 1 to 5, the utility model discloses a novel umbrella frame, it is collapsible, umbrella frame is including main skeleton A, first enhancement rib 10, the second enhancement rib 11 that can change between strutting state and fold condition, first enhancement rib 10 the inner with main skeleton A rotates to be connected and main skeleton A slides relatively, second enhancement rib 11 the inner rotates with first enhancement rib 10 outer end to be connected, and second enhancement rib 11 outer end rotates with the main skeleton A outside to be connected.

In this embodiment, a slide 53 is connected to the main frame a in a relatively slidable manner, and the inner end of the first reinforcing rib 10 is connected to the slide 53 in a relatively rotatable manner, so that the inner end of the first reinforcing rib 10 is connected to the middle rib 5 in a relatively rotatable manner and slidably connected to the first reinforcing rib 10, and the connection and assembly of the inner end of the first reinforcing rib 10 to the middle rib 5 are facilitated.

Preferably, a fixing seat 52 is disposed on the main frame a, and when the main frame a is in the unfolded state, the outer end of the sliding seat 53 abuts against the fixing seat 52.

In this embodiment, the main frame a includes a stay bar 1, an upper nest 2 connected to the stay bar 1, a lower nest 3 connected to the stay bar 1 and capable of moving up and down relatively, an inner rib 4, a middle rib 5, an outer rib 6, a driving rib 7, a driven rib 8, and an elastically deformable linkage rib 9, one end of the inner rib 4 is rotatably connected to the upper nest 2, the other end is rotatably connected to the middle rib 5, the outer end of the middle rib 5 is rotatably connected to the outer rib 6, two ends of the driving rib 7 are rotatably connected to the lower rib 3 and the inner rib 4, respectively, one end of the driven rib 8 is rotatably connected to the driving rib 7, the other end is rotatably connected to the inner end of the middle rib 5, and the inner rib 4, the middle rib 5, the driving rib 7, and the driven rib 8 form a four-bar structure; be provided with perforation 51 (as shown in figure 6) on the middle-section rib 5, linkage rib 9 one end with interior section rib 4 rotates to be connected, and the other end passes movably relatively the perforation 51 back is rotated with outer section rib 6 inner and is connected the parachute kit skeleton is in under the state of strutting, linkage rib 9 wholly is the arc of bending down, promptly linkage rib 9 has certain radian.

The inner end of the first reinforcing rib 10 is connected with the middle rib 5 in a rotating way and can slide relative to the middle rib 5, and the outer end of the second reinforcing rib 11 is connected with the outer rib 6 in a rotating way. Specifically, the slide 53 is connected to the middle rib 5 in a relatively slidable manner, and the slide 53 is slidable along the extending direction of the middle rib 5.

The fixing seat 52 is also arranged on the middle umbrella rib 5. Preferably, the through hole 51 is disposed on the fixing seat 52, so as to facilitate the assembly of the interlocking rib 9.

When main skeleton A is in when strutting the state, vaulting pole 1, interior festival rib 4, well festival rib 5, outer festival rib 6, drive rib 7, slave rib 8, the linkage rib 9 that can elastically deform can not relative rotary motion, and under this state, first enhancement rib 10, the second that are connected through above-mentioned connected mode with well festival rib 5, outer festival rib 6 are strengthened rib 11 and also can not be rotatory/slide and fold relatively main skeleton A to also be in the state of strutting. That is, when the main frame a is in the expanded state, the first reinforcing rib 10 and the second reinforcing rib 11 are also in the expanded state and cannot be folded with respect to the main frame a.

When strong wind blows upwards, the first and second reinforced ribs 10 and 11 can provide downward tension for the outer rib 6, namely, provide downward tension for the outer side of the main frame A, so that the umbrella frame can be prevented from being blown over by the wind, and the wind resistance of the umbrella frame is strong; in addition, when the umbrella frame is in the unfolded state, the outer end of the sliding seat 53 abuts against the fixed seat 52, so that when the unfolded umbrella frame is blown upwards by strong wind, the first reinforcing rib 10 cannot move outwards, thereby ensuring that the first reinforcing rib 10 can effectively pull the second reinforcing rib 11, further ensuring that the second reinforcing rib 11 can effectively pull the outer side of the outer rib 6 downwards, namely the outer side of the main frame A, and further enhancing the wind resistance of the umbrella; moreover, when the main frame a is in the expanded state, the arc-shaped linkage umbrella rib 9 which is bent downwards always pushes the inner end of the outer section umbrella rib 6 upwards due to the elasticity of the arc-shaped linkage umbrella rib 9, so that the outer end of the outer section umbrella rib 6 is always pressed downwards, and thus the outer section umbrella rib 6 can bear larger upwards force, and the wind resistance of the utility model is further enhanced; in addition the A inner rib 4, the middle rib 5, the drive rib 7, the driven rib 8 of main frame constitute to four-bar linkage, because four-bar linkage's stability, and the inner rib 4 among the four-bar linkage is connected with last nest 2 on the vaulting pole, lower nest 3 respectively with drive rib 7, thereby make the utility model discloses the parachute kit skeleton is more firm, can further bear bigger up power, and the wind resistance ability is stronger.

The preferred, the second is strengthened rib 11 and is rotated connect in the position of the nearly outer end of outer section rib 6 to when the parachute kit skeleton is whole to be in under the state of strutting, rib 10, 11 can be given main skeleton A a bigger down pulling force to first, second enhancement, thereby the utility model discloses the wind resistance ability of parachute kit skeleton is stronger.

When the umbrella framework is to be folded, as shown in fig. 4 and 5, the lower nest 3 is moved downward to drive one end of the driving rib 7 to rotate downward to move, so that the driving rib 7 is integrally close to the support rod 1, because of the characteristic of the four-bar structure, the inner rib 4 is also rotated downward to be close to the support rod 1 under the driving of the other end of the driving rib 7, the driven rib 8 is also integrally moved to be close to the support rod 1, and one end of the driven rib rotates relative to the driving rib 7, the inner side of the middle rib 5 rotates downward, and because of the pushing of the other end of the driven rib 8, the inner end of the middle rib 5 rotates relative to the direction departing from the support rod 1, so that the outer end of the middle rib 5 rotates relative to the side where the support rod 1 is located, thus, the included angle between the inner rib 4 and the middle rib 5 becomes smaller, and because the connecting end of the linkage rib 9 and the inner rib 4 has rotated downward along with the inner rib 4, the distance between the connecting end of the linkage umbrella rib 9 and the inner umbrella rib 4 and the fixed seat 52 is shortened; under the condition, the arrangement of the fixed seat through hole 51 is added, the linkage umbrella rib 9 is pressed, the radian is increased, and certain elastic force is accumulated, so that the other end of the linkage umbrella rib 9 is forced to rapidly move towards the inner end of the outer section umbrella rib 6, namely, the linkage umbrella rib 9 rapidly moves towards one side relative to the fixed seat 52 (relative to the through hole 51), thereby rapidly pushing the inner end of the outer section umbrella rib 6 to rotate upwards relatively, and the outer end of the outer section umbrella rib 6 rapidly rotates downwards relatively according to the seesaw principle; meanwhile, the movable linkage umbrella rib 9 can also pull the middle umbrella rib 5 to be quickly close to the inner umbrella rib 4, so that the outer umbrella rib 6 is pulled to move towards the direction of the stay bar 1; along with the outer rib 6 rotating and moving in this way, the included angle between the middle rib 5 and the outer rib 6 is reduced, the included angle between the first reinforcing rib 10 and the second reinforcing rib 11 is also reduced, so that the inner end of the first reinforcing rib 10 is driven to move along the direction of the middle rib 5 away from the fixing seat 52 along with the sliding seat 53, the included angle between the first reinforcing rib 10 and the middle rib 5 is reduced and relatively closed, the inner end of the second reinforcing rib 11 rotates and moves towards the direction of the outer rib 6, and the included angle between the second reinforcing rib 11 and the outer rib 6 is reduced and relatively closed; so, the folding of rib 10, the folding of second enhancement rib 11 can be driven to main skeleton A's folding, and first enhancement rib 10, the folding of second enhancement rib 11 are in turn with higher speed main skeleton A's folding again, and until each subassembly of parachute kit skeleton is close to relatively, the parachute kit skeleton realizes smoothly that the seventy percent discount is folded, and folding action is accomplished. That is, the first reinforcing rib 10 and the third reinforcing rib 11 can be folded together with the main frame a, so that the folding operation of the umbrella frame of the present invention is also very convenient.

When the folded umbrella framework is to be unfolded, the lower nest 3 is moved upwards, and the components of the umbrella framework are folded reversely, so that the rapid unfolding action is realized. That is, the first reinforcing rib 10 and the third reinforcing rib 11 can be unfolded together with the main frame a, so that the unfolding operation of the umbrella frame of the present invention is also very convenient.

The joint 41 between the inner rib 4 and the middle rib 5 is located between the joint 81 between the driven rib 8 and the middle rib 5 and the joint 61 between the middle rib 5 and the outer rib 6. The arrangement is that the inner end and the outer end of the middle rib 5 form a seesaw type relative to the joint 41 of the inner rib 4 and the middle rib 5, so that when the driven rib 8 pushes the inner end of the middle rib 5 to rotate relatively in the direction away from the support rod 1, the outer end of the middle rib 5 rotates relatively in the direction towards the support rod 1; conversely, when the driven umbrella rib 8 pushes the inner end of the middle umbrella rib 5 to rotate relatively in the direction towards the support rod 1, the outer end of the middle umbrella rib 5 rotates relatively in the direction away from the support rod 1. Thus, the folding and the unfolding operation of the umbrella framework are more convenient.

The joint 61 between the middle rib 5 and the outer rib 6 is located between the joint 91 between the linkage rib 9 and the outer rib 6 and the joint 62 between the second reinforcing rib 11 and the outer rib 6. The arrangement is that the inner end and the outer end of the outer rib 6 form a seesaw type relative to the joint 61 of the middle rib 5 and the outer rib 6, so that when the linkage rib 9 pushes the inner end of the outer rib 6 to rotate upwards and outwards, the outer end of the outer rib 6 rotates downwards and inwards relatively; on the contrary, when the linkage umbrella rib 9 pulls the inner end of the outer section umbrella rib 6 to rotate downwards, the outer end of the outer section umbrella rib 6 rotates upwards relatively. So set up, make the utility model discloses the folding and the operation of strutting of parachute kit skeleton easier, laborsaving.

The fixing base 52 can be integrally formed with the middle umbrella rib 5, or can be a single component fixedly connected to the middle umbrella rib 5. Preferably, the fixing seat 52 is a rubber fixing seat 52, a plastic fixing seat 52 or a fixing seat 52 made of similar material, so as to avoid the scratch of the metal fixing seat 52 to the linkage umbrella rib 9. This fixing base 52 can directly mould plastics on well festival rib 5 through the mode of moulding plastics, realizes integrated into one piece promptly to guarantee the stability that fixing base 52 and well festival rib 5 are connected, and then guarantee the fixing base 52 to the drawing of linkage rib 9, thereby not only can guarantee folding and the in-process that struts, linkage rib 9 can relative movement smoothly and push/pull outer festival rib 6, but also can guarantee when the parachute kit skeleton is in the expansion state, linkage rib 9 can keep the up thrust of outer festival rib 6 always, thereby keep the pressure down to outer festival rib 6 outer end always, and then further improve the utility model discloses a wind resistance ability.

The second reinforced rib 11 can be set as a hard fiber rib, so that the bearable tensile force is large, and the large tensile force is borne continuously, thereby ensuring the wind-resistant effect of the aging rib.

The interlocking ribs 9 can be made of thin iron sheets or iron wires, so that the interlocking ribs can be elastically deformed and have certain hardness, and the interlocking ribs can push/pull the inner ends of the outer rib sections 6 in the process of unfolding or folding the umbrella framework.

Preferably, the inner end of the middle umbrella rib 5 is fixedly connected with a first pivot seat 54, and the inner umbrella rib 4 and the driven umbrella rib 8 are both rotatably connected to the first pivot seat 54. Therefore, the assembly of the inner umbrella rib 4, the driven umbrella rib 8 and the middle umbrella rib 5 is more convenient; when the first pivot seat 54 is damaged, only the first pivot seat 54 needs to be replaced, and the whole middle rib 5 does not need to be replaced, thereby saving the maintenance cost of the umbrella. Similarly, the outer end of the middle umbrella rib 5 is fixedly connected with a second pivoting seat 55, and the outer umbrella rib 6 is rotatably connected to the second pivoting seat 55; or, the outer rib 6 is fixedly connected with a second pivot seat, and the outer end of the middle rib 5 is rotatably connected to the second pivot seat.

In addition, because the inner rib 4, the middle rib 5, the driving rib 7 and the driven rib 8 are formed into a four-bar structure, the inner rib 4, the middle rib 5, the driving rib 7 and the driven rib 8 can be folded and closed quickly when being folded; but in addition elastically deformable's linkage rib 9 and interior festival rib 4, well festival rib 5, outer festival rib 6 is so connected, when folding, the linkage rib 9 that removes not only can stimulate well festival rib 5 and draw close with interior festival rib 4 fast, thereby pull outer festival rib 6 simultaneously and remove toward the direction of vaulting pole 1 together, can also make linkage rib 9 can the rapid transit and promote outer festival rib 6 and up rotate fast, and the outer festival rib 6 of rapid transit can the fast driving second strengthen rib 12 and first strengthen rib 11 folding. Therefore, the utility model discloses an umbrella frame can realize quick folding operation, and each subassembly of folding back umbrella frame is drawn close moreover to the state volume of folding back umbrella frame is very little, portable, deposit. Furthermore, because linkage rib 9 and interior section rib 4, well festival rib 5, outer section rib 6 are so connected, along with the relative fixing base 51's of linkage rib 9 removal, the relative position of linkage rib 9 both ends and fixing base 52 three changes, specifically speaking, the three is linkage rib 9 and the link of interior section rib 4, linkage rib 9 and the link of outer section rib 6, fixing base 52, along with the relative position of these three changes, the radian of linkage rib 9 also changes, and the position that the crookedness of linkage rib 9 is the biggest also changes, linkage rib 9 elastic deformation, and the straight-line distance between linkage rib 9 both ends is big more, and the radian of linkage rib 9 is little, otherwise, its radian is big more. In the conversion process of the umbrella framework from the unfolding state to the folding state, the linear distance between two ends of the linkage umbrella ribs 9 is approximately changed from large to small to large, so that after the umbrella framework is folded, the radian of the linkage umbrella ribs 9 is small, the inner ribs 4 and the middle ribs 5 are closer, the first reinforcing ribs 10 and the second reinforcing ribs 11 are also arranged to further enable the middle ribs 5 and the outer ribs 6 to be closer, and the volume of the folded umbrella framework is further smaller and is more convenient to carry and store.

Because the linkage umbrella ribs 9 can be elastically deformed, and the linkage umbrella ribs 9 are in an arc shape bending downwards when the main frame A is in the unfolding state, the linkage umbrella ribs 9 can move particularly smoothly and cannot be folded into sharp V-shaped shapes in the folding process and the conversion process from the folding state to the unfolding state, thereby ensuring that the unfolding and folding of the umbrella frame can be carried out smoothly; the linkage umbrella ribs 9 are not easy to be broken as pull wires adopted by some umbrella frameworks in the prior art, thereby ensuring the service life of the utility model.

As shown in fig. 6, the fixing base 52 includes a fixing portion 521 fixedly connected to the middle rib 5, two side plates 522 respectively extending upward from both sides of the upper end of the fixing portion 521 at an interval, both ends of a pressing member 523 are respectively connected to the upper sides of the two side plates 522, the pressing member 523, the two side plates 522 and the fixing portion 521 together form the through hole 51, and the interlocking rib 9 passes through the through hole 51, so that the interlocking rib 9 is at least partially positioned in the through hole 51 and the upper end of the interlocking rib is in contact with the pressing member 523. Therefore, when the umbrella frame is in the expanded state, after the two ends of the linkage umbrella rib 9 are respectively connected with the inner rib 4 and the outer rib 6, the middle part of the linkage umbrella rib 9 is pulled downwards by the fixing seat 52, so that the linkage umbrella rib 9 is formed into a downward-bent arc shape, and due to the existence of the pressing piece 523, the linkage umbrella rib 9 cannot be separated from the fixing seat 52 and can only move under the guide of the pressing piece 523 to further push/pull the outer rib 6.

The fixing portion 521, the side plate 522 and the pressing member 523 may be integrally formed. Also, the two ends of the pressing member 523 can be respectively connected to the upper sides of the two side plates 522 in a relatively rotatable manner, so that in the folding and unfolding processes, when the linkage umbrella rib 9 moves relative to the fixing seat 52, the pressing member 523 can also rotate, thus the friction between the linkage umbrella rib 9 and the pressing member 523 can be reduced, the loss caused by the loss is reduced, and the service life of the umbrella frame is further prolonged. The pressing member 523 may be provided as a rivet.

In another embodiment, as shown in fig. 7, the through hole 51 'may be directly opened on the upper side of the fixing seat 52'.

In other embodiments, the fixing seat 52 may have other shapes.

The utility model also discloses an umbrella, it includes above-mentioned umbrella skeleton. The umbrella also has the advantages because the umbrella framework has the advantages.

In the above description of the orientation, "inner end" and "inner side" refer to one end and one side facing the stay bar 1 in the unfolded state of the umbrella frame, and "outer end" and "inner side" refer to one end/one side facing away from the stay bar 1.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (21)

1. The utility model provides a novel umbrella skeleton, its is collapsible, its characterized in that: the umbrella frame includes that main frame, first enhancement rib and the second that can convert between strutting state and fold condition strengthen the rib, first enhancement rib inner rotates with the main frame to be connected and can slide relative the main frame, the rib inner is strengthened with first enhancement rib outer end to the second and is rotated and be connected, and the rib outer end is strengthened with the main frame outside to the second and rotates and be connected.

2. The new umbrella frame of claim 1, wherein: a sliding seat can be connected to the main framework in a relatively sliding mode, and the inner end of the first reinforcing umbrella rib is connected with the sliding seat in a relatively rotating mode.

3. The new umbrella frame of claim 2, wherein: the main framework is provided with a fixed seat, and when the main framework is in a strutting state, the outer end of the sliding seat is abutted against the fixed seat.

4. The new umbrella frame of claim 1, wherein: the main framework comprises an inner rib, a middle rib, an outer rib, a driving rib, a driven rib, a support rod, an upper nest connected to the support rod, a lower nest connected to the support rod in a relatively up-down moving mode, and an elastically deformable linkage rib, wherein one end of the inner rib is rotatably connected to the upper nest, the other end of the inner rib is rotatably connected with the middle rib, and the outer end of the middle rib is rotatably connected with the outer rib; the two ends of the driving umbrella ribs are respectively and rotatably connected with the lower hive and the inner segment umbrella ribs; one end of the driven umbrella rib is rotationally connected with the driving umbrella rib, the other end of the driven umbrella rib is rotationally connected with the inner end of the middle umbrella rib, and the inner umbrella rib, the middle umbrella rib, the driving umbrella rib and the driven umbrella rib form a four-bar structure; the umbrella is characterized in that a perforation is formed in the middle rib, one end of the linkage rib is rotatably connected with the inner rib, the other end of the linkage rib can movably penetrate through the perforation and then is rotatably connected with the inner end of the outer rib, and when the umbrella framework is in an opening state, the linkage rib is integrally in an arc shape which is bent downwards.

5. The new umbrella frame of claim 4, wherein: the inner end of the first reinforcing umbrella rib is connected with the middle umbrella rib in a relatively rotating mode and can slide relative to the middle umbrella rib, and the outer end of the second reinforcing umbrella rib is connected with the outer umbrella rib in a rotating mode.

6. The new umbrella frame of claim 2, wherein: the main framework comprises an inner rib, a middle rib, an outer rib, a driving rib, a driven rib, a support rod, an upper nest connected to the support rod, a lower nest connected to the support rod in a relatively up-down moving mode, and an elastically deformable linkage rib, wherein one end of the inner rib is rotatably connected to the upper nest, the other end of the inner rib is rotatably connected with the middle rib, and the outer end of the middle rib is rotatably connected with the outer rib; the two ends of the driving umbrella ribs are respectively and rotatably connected with the lower hive and the inner segment umbrella ribs; one end of the driven umbrella rib is rotationally connected with the driving umbrella rib, the other end of the driven umbrella rib is rotationally connected with the inner end of the middle umbrella rib, and the inner umbrella rib, the middle umbrella rib, the driving umbrella rib and the driven umbrella rib form a four-bar structure; the umbrella is characterized in that a perforation is formed in the middle rib, one end of the linkage rib is rotatably connected with the inner rib, the other end of the linkage rib can movably penetrate through the perforation and then is rotatably connected with the inner end of the outer rib, and when the umbrella framework is in an opening state, the linkage rib is integrally in an arc shape which is bent downwards.

7. The new umbrella frame of claim 6, wherein: the inner end of the first reinforcing umbrella rib is connected with the middle umbrella rib in a relatively rotating mode and can slide relative to the middle umbrella rib, and the outer end of the second reinforcing umbrella rib is connected with the outer umbrella rib in a rotating mode.

8. The new umbrella frame of claim 3, wherein: the main framework comprises an inner rib, a middle rib, an outer rib, a driving rib, a driven rib, a support rod, an upper nest connected to the support rod, a lower nest connected to the support rod in a relatively up-down moving mode, and an elastically deformable linkage rib, wherein one end of the inner rib is rotatably connected to the upper nest, the other end of the inner rib is rotatably connected with the middle rib, and the outer end of the middle rib is rotatably connected with the outer rib; the two ends of the driving umbrella ribs are respectively and rotatably connected with the lower hive and the inner segment umbrella ribs; one end of the driven umbrella rib is rotationally connected with the driving umbrella rib, the other end of the driven umbrella rib is rotationally connected with the inner end of the middle umbrella rib, and the inner umbrella rib, the middle umbrella rib, the driving umbrella rib and the driven umbrella rib form a four-bar structure; the umbrella is characterized in that a perforation is formed in the middle rib, one end of the linkage rib is rotatably connected with the inner rib, the other end of the linkage rib can movably penetrate through the perforation and then is rotatably connected with the inner end of the outer rib, and when the umbrella framework is in an opening state, the linkage rib is integrally in an arc shape which is bent downwards.

9. The new umbrella frame of claim 8, wherein: the inner end of the first reinforcing umbrella rib is connected with the middle umbrella rib in a relatively rotating mode and can slide relative to the middle umbrella rib, and the outer end of the second reinforcing umbrella rib is connected with the outer umbrella rib in a rotating mode.

10. A novel umbrella frame of claim 6 or 7, wherein: the sliding seat can be connected to the middle umbrella rib in a relatively sliding mode, and the sliding seat can slide along the extending direction of the middle umbrella rib.

11. The new umbrella frame of claim 8, wherein: the sliding seat can be connected to the middle umbrella rib in a relatively sliding mode, and the sliding seat can slide along the extending direction of the middle umbrella rib.

12. The new umbrella frame of claim 9, wherein: the sliding seat can be connected to the middle umbrella rib in a relatively sliding mode, and the sliding seat can slide along the extending direction of the middle umbrella rib.

13. A novel umbrella frame as claimed in claim 8 or 9 or 11 or 12, wherein: the fixing seat is arranged on the middle umbrella rib.

14. The new umbrella frame of claim 13, wherein: the through hole is arranged on the fixed seat.

15. The new umbrella frame of claim 14, wherein: the fixing seat comprises a fixing part fixedly connected with the middle umbrella rib, two side plates which respectively extend upwards from two sides of the upper end of the fixing part at intervals, and pressing pieces of which two ends are respectively connected to the upper sides of the two side plates, wherein the pressing pieces, the two side plates and the fixing part form through holes together.

16. A novel umbrella frame as claimed in claim 14 or claim 15, wherein: the inner end of the middle umbrella rib is fixedly connected with a first pivoting seat, and the inner umbrella rib and the driven umbrella rib are rotationally connected to the first pivoting seat; or/and the outer end of the middle umbrella rib is fixedly connected with a second pivoting seat, and the outer umbrella rib is rotationally connected to the second pivoting seat; or the outer rib of the outer section is fixedly connected with a second pivot seat, and the outer end of the middle rib of the outer section is rotatably connected with the second pivot seat.

17. A new umbrella frame as claimed in any one of claims 1 to 9, 11, 12, 14, 15, wherein: the second reinforcing ribs are provided as hard fiber ribs.

18. The new umbrella frame of claim 10, wherein: the second reinforcing ribs are provided as hard fiber ribs.

19. The new umbrella frame of claim 13, wherein: the second reinforcing ribs are provided as hard fiber ribs.

20. The new umbrella frame of claim 16, wherein: the second reinforcing ribs are provided as hard fiber ribs.

21. An umbrella which is characterized in that: comprising an umbrella frame as claimed in any one of claims 1 to 20.

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