CN212295390U - Anti-shake structure and crank arm type awning - Google Patents

Abstract

The utility model discloses an anti-shake structure and crank arm type sunshade, including rotatable crank arm rear end, the location part and the spacing part of the angle of pitch of limited crank arm, crank arm rear end and install the location part, the location part's inside and outside removal can be fixed to the crank arm of different pitch angles, and crank arm rear end hookup a spacing part, when crank arm expand and adjust to suitable pitch angle, spacing part pushes down the location part in order to avoid its outside removal, then prevents to crank arm and bow down, can effectively slow down the shake or the rocking of sunshade when scraping strong wind; and when the sunshade is accomodate to needs, folding bent arm rotates in order to drive the bent arm rear end, and the bent arm rear end in the rotation drives stop block and leaves locating component to make locating component can move in order to adjust the angle of bent arm, thereby make the bent arm accomodate in predetermineeing the region properly.

Description

Anti-shake structure and crank arm type awning

Technical Field

The utility model relates to a sunshade especially relates to a sunshade of crank arm type's anti-shake structure.

Background

Outdoor awnings are installed in balconies, yards or public leisure areas to block rainwater or strong light. The awning comprises a shutter type awning, a backdrop type awning and a crank type awning.

The crank arm awning with the authorization notice number of CN105888160B comprises an awning cloth and a crank arm, wherein one end of the awning cloth is fixedly connected with a roller, the other end of the awning cloth is fixedly connected with the front edge, a slide block is arranged at the hinged position of the crank arm and is installed in a slide way, and the slide blocks of the two crank arms are connected through an elastic band.

When the crank arm is unfolded, the awning cloth is positioned on a larger wind-receiving surface, and when wind blows, the awning can shake or rock with larger amplitude.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a better anti-shake structure of stability is provided, further provide the crank arm type sunshade that has this anti-shake structure.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the anti-shaking structure is applied to a crank arm type awning and is characterized by comprising a rotatable crank arm rear end, a positioning component and a limiting component, wherein the positioning component is used for limiting the pitch angle of the crank arm; when the crank arm is unfolded, the limiting component limits the movement of the positioning component; when the crank arm is folded, the limiting component leaves the positioning component.

The utility model discloses further preferred technical scheme does: the limiting component is a rod-shaped limiting shaft, and when the crank arm is unfolded, the rod-shaped limiting shaft is pressed above the positioning component; when the crank arm is folded, the rod-shaped limiting shaft leaves the upper part of the positioning component.

The utility model discloses further preferred technical scheme does: the positioning component is an angle adjusting nail on the rotating frame, the rod-shaped limiting shaft penetrates through a limiting channel on the rotating frame, and the angle adjusting nail is located below the limiting channel.

The utility model discloses further preferred technical scheme does: the rear end of the crank arm is provided with a fixed limiting piece, the rod-shaped limiting shaft is movably connected to the fixed limiting piece, the fixed limiting piece rotates along with the rear end of the crank arm, and the rod-shaped limiting shaft moves in the limiting channel.

The utility model discloses further preferred technical scheme does: the side part of the rotating frame is mutually coupled with the rear end of the crank arm.

The utility model discloses further preferred technical scheme does: the rotating frame is connected to the base through a rotating shaft in a shaft coupling mode, a rotating shaft is arranged on the base, the shaft coupling center of the rotating shaft on the base is eccentrically located on the rotating shaft, one end of the angle adjusting nail is located in a through hole of a bottom plate of the rotating frame, and the other end of the angle adjusting nail radially penetrates through the center of the rotating shaft.

The utility model discloses further preferred technical scheme does: the angle adjusting nail is in threaded connection with the rotating shaft.

Another preferred subject is: the crank arm type awning is characterized by comprising the anti-shaking structure.

The preferable technical scheme of another preferable subject is as follows: the front end of the crank arm is connected with the front edge, and the crank arm is positioned below the tarpaulin.

The preferable technical scheme of another preferable subject is as follows: the crank arm comprises a first arm and a second arm which are mutually coupled, and an elastic part is arranged between the first arm and the second arm.

Compared with the prior art, the utility model has the advantages that the rear end of the crank arm is provided with the positioning part, the inside and outside movement of the positioning part can fix the crank arms with different pitching angles, the rear end of the crank arm is connected with the limiting part, when the crank arm is unfolded and adjusted to a proper pitching angle, the limiting part presses the positioning part to avoid the outward movement of the crank arm, so that the crank arm is prevented from bending downwards, and the shake or the shake of the awning can be effectively reduced when strong wind is blown; and when the sunshade is accomodate to needs, folding bent arm rotates in order to drive the bent arm rear end, and the bent arm rear end in the rotation drives stop block and leaves locating component to make locating component can move in order to adjust the angle of bent arm, thereby make the bent arm accomodate in predetermineeing the region properly.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

Fig. 1 is a schematic view showing the overall structure of a crank-type awning;

fig. 2 is a schematic view of the overall structure of the crank-type awning;

fig. 3 is an exploded view of the structure of the bell crank type awning;

FIG. 4 is a schematic structural view of a rotating member and a base;

FIG. 5 is an assembled view of the rotating member, base and crank arm;

FIG. 6 is a schematic view of the canopy adjusting the pitch angle;

FIG. 7 is a schematic view of the overall structure of the wall base in the present embodiment;

FIG. 8 is a schematic view of the angle adjustment pin with the crank arms tilted up;

FIG. 9 is a schematic view of the angle adjustment nail when the crank arm is bent down;

FIG. 10 is a schematic view of the spacing member in movable engagement with the positioning member;

FIG. 11 is a schematic structural view of a position-limiting component, a positioning component and a fixed position-limiting sheet;

FIG. 12 is a schematic view showing a state in which the rod-like stopper shaft presses the angle adjusting nail;

FIG. 13 is a schematic view showing a state in which the rod-like restraining shaft is not pressing the angle adjusting pin.

Detailed Description

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is illustrative only, and is not to be construed as limiting the scope of the invention.

It should be noted that: like reference numerals refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.

As shown in fig. 1 to 3 and 6, the awning 100 of the crank arm type includes a rear beam 102 for fixing to a wall, a crank arm 30, a front edge 101 and a tarpaulin 40, and preferably, the crank arm 30 may be provided in two, and both ends of the crank arm 30 are installed at both end positions of the rear beam 102 and the front edge 101; the awning cloth 40 is coupled between a rear beam 102 and a front edge 101, the front end of the crank arm 30 is coupled to the front edge 101, the base 20 is arranged at the front side of the rear beam 102, a rotating part 60 is arranged at the rear end of the crank arm 30, the rotating part 60 is pivoted on the base 20, and the rotating part 60 rotates around the base 20 in the pitching direction to adjust the pitching angle of the awning.

In practical use, the crank arm 30 is preferably located below the tarpaulin 40.

As shown in fig. 4 and 5, the front end of the crank arm 30 is coupled to the front edge 101, the rear end of the crank arm 30 is provided with a rotating member 60, the rotating member 60 is coupled to the base 20 at the front side of the rear beam 102, and the rotating member 60 can rotate up and down around the base 20; the two ends of the awning cloth 40 are connected between the rear beam 102 and the front edge 101, and the pitch angle of the awning can be adjusted by rotating the rotating part 60; thereby making the user adjust the pitch angle of the sunshade more convenient.

As shown in fig. 7, the back beam 102 is fixed on the wall through the wall seats 103, and the two wall seats 103 may be arranged at positions close to both ends of the back side of the back beam 102, respectively, so as to enhance the fixing strength and stability between the back beam 102 and the wall. The wall base 103 includes a vertical member 103a to be closely attached to the wall and a horizontal member 103b supported by the back beam 102.

The rear beam 102 includes an upper shell 102c and a lower shell 102d, an inner cavity G between the upper shell 102c and the lower shell 102d to mount the rolling assembly 50, and the rolling assembly 50 to roll or release the tarpaulin 40.

The winding assembly 50 includes a motor and a winding drum driven by the motor to wind the tent cloth 40. The motor is activated to drive the winding or releasing drum to wind the tarpaulin 40.

The crank arm 30 includes a first arm 30a and a second arm 30b coupled to each other with an elastic member interposed between the first arm 30a and the second arm 30 b. The front end of the first arm 30a is coupled to the front edge 101 and the rear end of the second arm 30b is coupled to the rotating member 60.

The crank arm 30 after being folded and stored can be unfolded outward by the elastic force of the elastic member. More specifically, the crank arm 30 is always subjected to an outward-spreading elastic force under the action of the elastic member; therefore, after the crank arm 30 in the technical scheme is folded, the storage state can be kept in the storage space through the buckle assembly, and the fixing function of the buckle assembly can overcome the restoring elasticity of the elastic piece.

In the actual use process, a user pushes the front edge 101 inwards to drive the crank arm 30 to fold inwards, and the front edge 101 or the crank arm 30 keeps a stable storage state through the buckle assembly after being folded completely; when the crank arm 30 needs to be unfolded, the buckle assembly is released, and the crank arm 30 is unfolded outwards under the restoring elasticity of the elastic piece, so that the front edge 101 is further pushed to be unfolded outwards. The folding or unfolding of the crank arm 30 is realized under the cooperation of the elastic member and the buckle assembly.

As shown in fig. 7 to 9, the base 20 is provided with a coupling portion 22, the coupling portion 22 is fixed to the lower shell 102d, and a front end a1 of the coupling portion 22 abuts on a lower side of a lateral defining portion b1 of the vertical member 103 b. When the rotating member 60 rotates downward, the front end a1 of the coupling portion 22 of the base 20 abuts against the lower side of the lateral limiting portion b1, and the limiting portion serves as a stress point to lift and pull the awning which rotates downward by a certain amount, so that the stress between the rear end of the crank arm 30 and the rotating member 60 is relieved.

In addition, when the crank arm 30 needs to be stored, the user lifts the front edge 101 and folds the crank arm 30 inwards, and the user lifts the front edge 101 and simultaneously drives the rotating part 60 to rotate upwards to a horizontal state; when the crank arm 30 is completely folded, the front edge 101 and the rear beam 102 are fixed by a fixing component to prevent the crank arm 30 from being unfolded accidentally.

As shown in fig. 10 to 13, the awning 100 further includes a shaking prevention structure applied to the awning 100, including a rotatable rear end 30A of the crank arm, a positioning member 30B and a position-limiting member 30C defining a pitch angle of the crank arm 30, the position-limiting member 30C being coupled to the rear end 30A of the crank arm; when the crank arm 30 is unfolded, the limiting component 30C limits the movement of the positioning component 30B; when the crank arm 30 is closed, the stopper 30C is separated from the positioning member 30B.

The limiting component 30C is a rod-shaped limiting shaft C1, and when the crank arm 30 is unfolded, the rod-shaped limiting shaft C1 is pressed above the positioning component 30B; when the crank arm 30 is folded, the rod-like stopper shaft C1 is separated from the upper side of the positioning member 30B.

The positioning component 30B is an angle adjusting nail T on the rotating frame K, the rod-shaped limiting shaft C1 is arranged in the limiting channel K4 on the rotating frame K in a penetrating manner, and the angle adjusting nail T is positioned below the limiting channel K4.

The rotating part 60 is a rotating frame K, a rotating shaft X is arranged in the base 20, an angle adjusting nail T is arranged on the rotating frame K, a coupling center of the rotating frame K on the base 20 is eccentric to a coupling center of the rotating shaft X in the base 20, the front end of the angle adjusting nail T penetrates through the rotating shaft X in a threaded mode, the outer end of the angle adjusting nail T is located in a through hole K2 of a bottom plate K1 of the rotating frame K, and the angle adjusting nail T can adjust the pitching angle of the rotating frame K and the base 20.

The angle adjusting nail T is threaded on the rotating shaft X, the front edge 101 is lifted up and down to drive the crank arm 30 to move up and down, and when the awning is adjusted to the required pitching position, the angle adjusting nail T is rotated to move inside and outside to a proper position to match different pitching angles of the awning. More specifically, when the angle adjusting nail T is rotated outwards, the angle adjusting nail T is matched with the awning of which the angle is adjusted downwards; when the angle adjusting nail T rotates inwards, the angle adjusting nail T can be matched with the awning with the upward angle adjusting function.

Preferably, the outer end of the angle adjusting nail T is a limiting end, the inner side of the upper end of the through hole K2 of the rotating frame K is correspondingly provided with a limiting block, and the limiting end and the limiting block are matched to form a limiting stress point so as to share the stress between the angle adjusting nail T and the threaded hole when the awning bends downwards. The angle adjusting nail T is connected with the through hole k2 in a threaded manner, and the effect is also to decompose the force applied to the angle adjusting nail T when the awning adjusts the angle downwards. Further enhancing the stability of the awning in the state of bending down.

As shown in fig. 3 to 5, the rotating frame K is coupled to the base 20 through a rotating shaft K3, the base 20 is provided with a rotating shaft X, specifically, the base 20 includes two coupling lugs 21, the rotating shaft X transversely passes through the two coupling lugs 21, two side portions of the rotating frame K are coupled to the two coupling lugs 21 through a shaft pin K3, and the shaft pin K3 is disposed in parallel with the rotating shaft X. And the pivot center of the rotation axis k3 on the base 20 is offset from the rotation axis X, i.e. the centers of the circles around which the rotation axis k and the rotation axis k rotate are offset from each other, and the rotation axis k are not coaxial. One end of the angle adjusting nail T is positioned in the through hole K2 of the bottom plate K1 of the rotating frame K, and the other end of the angle adjusting nail T radially passes through the center of the rotating shaft X. And the angle adjusting nail T is in threaded connection with the rotating shaft X. The middle part of the rotating shaft C is provided with a threaded hole, and the angle adjusting nail T is arranged in the threaded hole in a penetrating mode and can move in the threaded hole in the radial direction.

The side of the rotating frame K is coupled to the rear end 30A of the crank arm. Specifically, the side of the rotating frame K is provided with a first coupling seat 71 having a first vertical through hole 71a, the crank arm rear end 30A is provided with a second coupling seat 72 having a second vertical through hole 72a, and the first coupling seat 71 and the second coupling seat 72 are coupled to each other by a vertical pin 73.

Further, the rear end 30A of the crank arm is provided with a fixed limiting piece 90, the rod-shaped limiting shaft C1 is movably coupled to the fixed limiting piece 90, the fixed limiting piece 90 rotates along with the rear end 30A of the crank arm, and the rod-shaped limiting shaft C1 moves in the limiting passage k 4.

Specifically, the fixed limiting piece 90 is installed above the second shaft connecting seat 72 of the rotating frame K through the pin 73, and one end of the rod-shaped limiting shaft C1 penetrates through the fixed limiting piece 90, more specifically, one end of the rod-shaped limiting shaft C1 is bent upwards to form a limiting portion 81, and the limiting portion 81 penetrates into and is fixed in the limiting hole 91 of the fixed limiting piece 90.

As shown in fig. 10 to 13, when the crank arm 30 is gradually unfolded, the rear end 30A of the crank arm rotates around the vertical pin 73, the fixed limiting piece 90 rotates along with the rear end 30A of the crank arm during the rotation, and the rotating fixed limiting piece 90 drives the rod-shaped limiting shaft C1 to move to one side in the limiting channel k 4; when the crank arm 30 is unfolded in place, the inner side surface of the rod-shaped limiting shaft C1 is pressed against the outer end surface of the angle adjusting nail T, so that the angle adjusting nail T is prevented from accidentally moving outwards in the threaded hole of the rotating shaft X.

In combination with practical application, when the outdoor wind speed is high, the wind exerts downward pressure on the awning, and the crank arm 30 subjected to the downward pressure drives the angle adjusting nail T to rotate outwards; the presence of the rod-like restraining shaft C1 is intended to overcome the outward pulling force exerted on the angle adjustment nail T. And the existence of the rod-shaped limiting shaft C1 can overcome the downward pulling force of the awning weight to the angle adjusting nail T to a certain extent.

On the other hand, when the crank arm 30 is gradually folded inwards, the rear end 30A of the crank arm drives the fixed limiting piece 90 to rotate, and then drives the rod-shaped limiting shaft C1 to move towards the other side in the limiting channel k4, and after the crank arm 30 is folded to a certain position, the rod-shaped limiting shaft C1 moving for a certain distance aligns a moving opening k5 formed at the lower part of the rod-shaped limiting shaft with the rear end of the angle adjusting nail T, so that the angle adjusting nail T can move radially in the threaded hole of the rotating shaft X. The bending degree of the crank arm 30 and the moving distance of the rod-shaped limiting shaft C1 can be set according to actual needs.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

It is right above the utility model provides an anti-shake structure and bent arm type sunshade have carried out detailed introduction, and it is right to have used specific individual example herein the utility model discloses a principle and implementation mode have been explained, and the explanation of above embodiment is only used for helping to understand the utility model discloses and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (10)

1. The anti-shaking structure is applied to a crank arm type awning and is characterized by comprising a rotatable crank arm rear end, a positioning component and a limiting component, wherein the positioning component is used for limiting the pitch angle of the crank arm; when the crank arm is unfolded, the limiting component limits the movement of the positioning component; when the crank arm is folded, the limiting component leaves the positioning component.

2. The shake-proof structure according to claim 1, wherein the position-limiting member is a rod-like position-limiting shaft, and when the crank arm is unfolded, the rod-like position-limiting shaft is pressed above the positioning member; when the crank arm is folded, the rod-shaped limiting shaft leaves the upper part of the positioning component.

3. The shake-proof structure according to claim 2, wherein the positioning member is an angle adjusting pin on the rotating frame, the rod-shaped limiting shaft is inserted into a limiting channel on the rotating frame, and the angle adjusting pin is located below the limiting channel.

4. The anti-shake apparatus according to claim 3, wherein the rear end of the crank arm has a fixed stop piece, the rod-shaped stop shaft is movably coupled to the fixed stop piece, the fixed stop piece rotates along with the rear end of the crank arm, and the rod-shaped stop shaft moves in the stop channel.

5. The anti-shake apparatus according to claim 3, wherein the side of the rotating frame is coupled to the rear end of the crank arm.

6. The shake preventing structure according to claim 3, wherein the rotating frame is pivotally connected to the base via a rotating shaft, the base is provided with a rotating shaft, the pivot of the rotating shaft on the base is eccentrically located on the rotating shaft, one end of the angle adjusting pin is located in the through hole of the bottom plate of the rotating frame, and the other end of the angle adjusting pin radially passes through the center of the rotating shaft.

7. The anti-shake apparatus according to claim 6, wherein the angle-adjusting pin is screwed to the rotary shaft.

8. A awning of the knee-arm type, comprising an anti-shake structure as claimed in any one of claims 1 to 7.

9. A crank arm type awning as claimed in claim 8, wherein an awning cloth is provided between the front edge and the rear beam, the front end of the crank arm is connected to said front edge, and said crank arm is located below the awning cloth.

10. A bell crank type awning as claimed in claim 8, wherein the crank arm comprises a first arm and a second arm pivotally connected to each other, and a resilient member is provided between the first arm and the second arm.

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