CN111671214A - Sunshade umbrella with left-right angle adjusted by handle operation - Google Patents

Abstract

The utility model provides a sunshade umbrella of angle about handle operation is adjusted, including umbrella face guiding mechanism, horizontal pole slewing mechanism establishes at the horizontal pole middle part, the down tube front end rotates with horizontal pole slewing mechanism to be connected, the horizontal pole lower extreme rotates with the slider through umbrella face guiding mechanism to be connected, umbrella face guiding mechanism includes the horizontal pole joint, go up separation and reunion tooth, lower separation and reunion tooth and handle, go up separation and reunion tooth and horizontal pole fixed connection, the horizontal pole connects the lower extreme to rotate with the slider to be connected, the horizontal pole connects the upper end to pass down separation and reunion tooth and rotates to be connected with last separation and reunion tooth, lower separation and reunion tooth can follow the horizontal pole and connect to be axial spacing removal, the handle rotates to set up outside last separation and reunion tooth, with separation and reunion tooth upper end counterbalance, when the handle is rotated downwards, lower separation and. The umbrella has the advantages of simple and reasonable structure, convenient operation, stable and reliable positioning, realization of the adjustment of the sun-shading angle of the umbrella surface only by operating the handle, and strong practicability.

Description

Sunshade umbrella with left-right angle adjusted by handle operation

Technical Field

The invention relates to the technical field of outdoor sunshade umbrellas, in particular to a sunshade umbrella capable of rotating left and right.

Background

The sunshade umbrella is used as an outdoor leisure tool, is widely applied to leisure places such as squares, beaches, parks and courtyards, and provides comfortable cooling space for people. The position of an umbrella cover of the existing sunshade is usually fixed and cannot be adjusted, however, along with the change of wind direction and the inclination of sunlight, if the angle of the umbrella cover can also be adjusted and changed, better sunshade and wind shielding effects can be obtained. In order to meet the requirement, a plurality of sunshade umbrellas with adjustable umbrella covers are also available at present.

According to the investigation, the Chinese patent CN201220168486.6 for the prior art, namely umbrella cover adjusting mechanism of a sunshade umbrella, comprises a shell which is sleeved on a curved arm of the sunshade umbrella and is connected with a stand column and a large curved arm of the sunshade umbrella, wherein the upper end of the stand column is connected with the lower end of the large curved arm through the shell, and the umbrella cover adjusting mechanism is characterized in that: a groove is formed in the butt joint face of the large bent arm along the length direction, a synchronous belt is arranged in the groove, a bolt assembly is arranged in the middle of the inner side of the bent arm and is meshed with a tooth position on the synchronous belt to be positioned, one end of the bolt assembly is connected with a handle through a steel wire rope, and the bolt assembly is driven by the handle to be separated from the synchronous belt, so that the bent arm is adjusted. The adjusting mode realizes the adjustment of the umbrella cover by adjusting the bent arm, has more complex structure, troublesome manufacture and high cost, and is inconvenient to operate.

Chinese patent "a sunshade umbrella that can control adjustment sunshade angle" that patent number is CN201320541314.3 in addition, including umbrella stand, horizontal pole, down tube and umbrella stand, on the stand was arranged in to the lower extreme of horizontal pole, the upper end of horizontal pole linked to each other with the top of umbrella stand, and the rear end of down tube is installed at the stand top, and the front end of down tube is connected with the middle part of horizontal pole, the stand cartridge is on the umbrella stand, its characterized in that: the top of the umbrella stand is rotatably connected with the upper end of the cross rod through a rotating mechanism; the umbrella is characterized in that a sliding seat is sleeved on the stand column, the lower end of the cross rod is connected with the sliding seat through a cross rod lower joint, an umbrella fabric adjusting mechanism is arranged between the cross rod lower joint and the cross rod, a lengthened umbrella rib is arranged on the umbrella frame, and the lower end of the lengthened umbrella rib is connected with the umbrella fabric adjusting mechanism. The sunshade umbrella drives the rotation of the umbrella frame through the rotation of the clutch gear sleeve, the sunshade angle can be adjusted in a left-right stepless mode, but the clutch gear sleeve is only arranged at one lower end of the lengthened umbrella rib, the structure is not stable enough, the handle is a sleeve, the use is not convenient enough, and the structure needs to be further improved.

Disclosure of Invention

The invention aims to solve the technical problem of providing the sunshade umbrella with the handle operation and the left and right angle adjustment, which is compact and reasonable in structure, can realize the left and right adjustment of the angle of the umbrella cover, and is simple and convenient to operate.

The technical scheme adopted by the invention for solving the technical problems is as follows: a sunshade umbrella with a handle for regulating left and right angles comprises a vertical column, a cross rod, an inclined rod and an umbrella stand; the cover is equipped with a slider on the stand, and the lower extreme of horizontal pole is connected with the slider, and the upper end of horizontal pole links to each other with the top of umbrella stand, and the rear end of down tube is installed at the stand top, and the front end of down tube is connected with the middle part of horizontal pole, and the top of umbrella stand rotationally is connected its characterized in that with the upper end of horizontal pole: the sunshade also comprises an umbrella cover adjusting mechanism capable of controlling the umbrella cover to rotate left and right and a cross rod rotating mechanism capable of enabling the cross rod to rotate under the condition that the diagonal rod is not moved, the cross rod rotating mechanism is arranged in the middle of the cross rod, the front end of the diagonal rod is rotatably connected with the cross rod rotating mechanism, the lower end of the cross rod is rotatably connected with the sliding block through the umbrella cover adjusting mechanism, the umbrella cover adjusting mechanism comprises a cross rod joint, an upper clutch tooth, a lower clutch tooth and a handle, the upper clutch tooth is fixedly connected with the cross rod, the upper end of the cross rod joint penetrates through the lower clutch tooth to be rotatably connected with the upper clutch tooth, the lower clutch tooth can axially limit and move along the cross rod joint and is meshed with or separated from the upper clutch tooth, one end of the handle is rotatably arranged outside, when the handle is rotated downwards, the lower clutch teeth move downwards under the action of the handle to be separated from the upper clutch teeth, and the handle is rotated left and right, so that the cross rod can be rotated to carry out left and right adjustment on the umbrella cover.

As an improvement, the upper clutch teeth are of a sleeve structure with an opening at the upper end, the lower clutch teeth are of a sleeve structure with an opening at the lower end, and a square through hole and a circular through hole for the penetration of the cross rod joint are respectively formed in the lower end face of the upper clutch teeth and the middle part of the upper end face of the lower clutch teeth; the lower terminal surface of going up the separation and reunion tooth has the round dogtooth around the outside shaping of circular through-hole, and the up end of separation and reunion tooth is equipped with the ring tooth of round and dogtooth meshing around the outside concave of square through-hole down, and the upper end that the horizontal pole connects passes the square through-hole of separation and reunion tooth down and goes up the circular through-hole of separation and reunion tooth in proper order, passes through the nut fixed at last tip, supports between the inner wall of separation and reunion tooth under and the lower part that the horizontal pole connects has a spring, makes down the separation and reunion tooth have the trend of rebound and last separation and.

And the transverse rod joint is further improved, the transverse rod joint is divided into 5 sections from bottom to top along the length direction, wherein the first section as the tail part is a connecting section connected with the sliding block, the second section is a cylindrical section matched with an inner hole of the lower clutch tooth, the third section in the middle position is a square column section matched with a square through hole of the lower clutch tooth, the fourth section is a reducing cylindrical section matched with a circular through hole of the upper clutch tooth, the fifth section at the uppermost end is an external thread section matched with a nut, the spring is sleeved on the third section of the transverse rod joint, one end of the spring is abutted against the inner side of the square through hole of the lower clutch tooth, and the other end of the spring is abutted against the step surface of the second section of the cylindrical section of the lower clutch tooth.

Furthermore, the upper end and the lower end of the circular through hole of the upper clutch tooth are provided with fixed grooves for embedding bearings, the upper end of the cross rod joint penetrates through the spring and the upper clutch tooth and is arranged on the inner side of the bearing, the third section of the square column section of the cross rod joint is abutted against the bearings at the lower ends of the upper clutch tooth for limiting, and the fourth section of the cross rod joint is tightly matched with the bearings.

Furthermore, the lower side of the lower end face of the upper clutch tooth is provided with a movable groove for placing the upper end of the handle, the upper end of the handle is U-shaped and provided with a cam surface, the upper end of the handle is transversely provided with a through hole, two sides of the movable groove are provided with corresponding rotating holes, a torsion spring matched with the handle is further arranged between the upper end of the handle and the movable groove, and the handle and the torsion spring are fixed on the upper clutch tooth by penetrating through the rotating holes, the through hole of the handle and the central hole of the torsion spring through screws.

And a washer in sliding contact with the upper end of the handle is embedded on the upper end surface of the lower clutch tooth.

Furthermore, the upper end cover of going up separation and reunion tooth is equipped with separation and reunion tooth lid, and the horizontal pole is hollow square pipe, and the separation and reunion tooth is covered and is equipped with the square through-hole that supplies the horizontal pole to wear to put, and the lower extreme of horizontal pole is equipped with the connecting hole, and the upper end of going up the separation and reunion tooth is equipped with corresponding horizontal pole fixed orifices, and the separation and reunion tooth is covered and is seted up corresponding through-hole, fixes the two on last separation.

Further, horizontal pole slewing mechanism includes left and right commentaries on classics bush and down tube connecting piece, a left side, the bush that turns to the right is the jacket structure of semicircle form, a left side, the bush that turns to the right forms the quad slit with horizontal pole matched with after closing, the middle part of horizontal pole has been seted up and has been run through the mounting hole, a left side, the through hole that corresponds is seted up at the middle part of the bush that turns to the right side, a left side, the bush that turns to the right side closes the centre gripping in the middle part left and right sides of horizontal pole, it is fixed through the mode of screw and nut, the down tube connecting piece rotationally overlaps the outside of turning to the bush about and, the lower extreme of down tube connecting piece is for with a left side.

And furthermore, the left and right turning bushings are divided into an upper group and a lower group and are respectively positioned at the upper side and the lower side in the circle structure of the inclined block connecting block, convex rings which are abutted and limited with the two sides of the circle structure of the inclined block connecting block are formed on the outer end surfaces of the left and right turning bushings, and concave-convex textures which are convenient for increasing friction force are formed on the circumferential surfaces of the left and right turning bushings.

And finally, a marking line is arranged on the periphery of the lower end of the upper clutch tooth, and a scale mark which is matched with the marking line and is convenient for observing the left and right rotation angles is arranged on the periphery of the upper end of the lower clutch tooth.

Compared with the prior art, the invention has the advantages that: the umbrella fabric adjusting mechanism comprises a cross rod joint, an upper clutch tooth, a lower clutch tooth and a handle, the upper clutch tooth and the lower clutch tooth can be separated by downwards rotating the handle, the left and right rotation of the cross rod is realized, and therefore the left and right adjustment of the umbrella fabric is realized. The umbrella surface sunshade angle adjusting device is simple and reasonable in structure, convenient to operate, stable and reliable in positioning, capable of achieving umbrella surface sunshade angle adjustment only through the mode of operating the handle, simple and convenient in operation mode and high in practicability.

Drawings

FIG. 1 is a schematic view showing the construction of a sunshade equipped with an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of the canopy adjustment mechanism of FIG. 1;

FIG. 3 is an exploded view of FIG. 2;

FIG. 4 is a schematic structural view of an upper end surface of the lower clutch teeth of FIG. 2;

FIG. 5 is a schematic view of the lower end surface of the upper clutch teeth of FIG. 2;

FIG. 6 is a schematic view of the structure of the handle;

FIG. 7 is a longitudinal cross-sectional view of FIG. 2;

FIG. 8 is a cross-sectional view of the handle rotated downwardly to disengage the lower clutch teeth from the upper clutch teeth;

FIG. 9 is an exploded view of FIG. 7;

FIG. 10 is an enlarged view of a portion of the cross bar rotating mechanism of FIG. 1;

fig. 11 is an exploded view of fig. 10.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 11, a sunshade umbrella with handle operation for adjusting left and right angles comprises a vertical column 100, a cross rod 20, a diagonal rod 300, an umbrella frame 400, a sliding block 200, an umbrella cover adjusting mechanism a and a cross rod rotating mechanism B, wherein the vertical column 100 is a special pipe, such as an oval-shaped section pipe fitting, the sliding block 200 is arranged on the vertical column 100 and can slide up and down along the vertical column 100, the lower end of the cross rod 20 is connected to the sliding block 200 through the umbrella cover adjusting mechanism a, the umbrella cover adjusting mechanism a can rotate up and down in a fixing hole of the sliding block 200, and the umbrella frame 400 is arranged above the cross rod 20. The cross bar rotating mechanism B is arranged in the middle of the cross bar 20, the rear end of the inclined rod 200 is rotatably installed at the top of the upright 100, and the front end of the inclined rod 300 is rotatably connected with the cross bar rotating mechanism B.

The umbrella surface adjusting mechanism A comprises a cross rod joint 1, an upper clutch tooth 8, a lower clutch tooth 3, a clutch tooth cover 15 and a handle 12, wherein the upper clutch tooth 3 is fixedly connected with a cross rod 20, the lower end of the cross rod joint 1 is rotatably connected with a sliding block 200, the upper end of the cross rod joint 1 penetrates through the lower clutch tooth 3 to be meshed with the upper clutch tooth 8 for rotating connection, the lower clutch tooth 3 can do axial limiting movement along the cross rod joint 1 to realize meshing or disengaging with the upper clutch tooth 8, one end of the handle 12 is rotatably arranged outside the upper clutch tooth 8 and abuts against the upper end face of the lower clutch tooth 3, a cam face 12d of the handle is utilized, when the handle 12 is rotated downwards, the lower clutch tooth 3 moves downwards under the action of the handle 12 to disengage from the upper clutch tooth 8, and the handle 12 can be rotated left and right to adjust the umbrella surface by rotating the cross rod 20.

The concrete structure is as follows: go up separation and reunion tooth 8 and be upper end open-ended sleeve structure, lower separation and reunion tooth 3 is lower extreme open-ended sleeve structure, and the square through-hole and the circular through-hole that supply horizontal pole joint 1 to wear to put are seted up respectively in the middle part of the lower terminal surface of going up separation and reunion tooth 8, the up end of lower separation and reunion tooth 3. The lower terminal surface of going up separation and reunion tooth 8 has round dogtooth 81 around the outside shaping of circular through-hole, the up end of separation and reunion tooth 3 down is equipped with the ring tooth 31 of round and dogtooth meshing around the outside concave round through-hole, the upper end that the horizontal pole connects 1 passes the square through-hole 3a of separation and reunion tooth 3 down and the circular through-hole of going up separation and reunion tooth 8 in proper order, it is fixed through nut 14 at the upper end, it has a spring 2 to support between the inner wall of separation and reunion tooth 3 down and the lower part that the horizontal pole connects 1, make separation and reunion tooth 3 have the trend of upward movement and the meshing locking of last separation and. The cross bar joint 1 is divided into 5 sections along the length direction from bottom to top, wherein the first section 1d as the tail part is a connecting section connected with the sliding block 200, the second section 1e is a cylindrical section matched with the inner hole 3b of the lower clutch tooth 3, the third section 1a at the middle position is a square cylindrical section matched with the square through hole 3a of the lower clutch tooth 3, the fourth section 1b is a reducing cylindrical section matched with the round through hole of the upper clutch tooth 8, the fifth section 1c at the uppermost end is an external thread section matched with the nut 4, the spring 2 is positioned in the inner hole 3b of the lower clutch tooth 3 and is sleeved on the third section 1a square cylindrical section of the cross bar joint 1, one end of the spring 2 is abutted against the inner side of the square through hole of the lower clutch tooth 3, and the other end is abutted against the step surface of the cylindrical section of the second section 1e of the lower clutch tooth 3, so that the lower clutch tooth 3 can only extend along the axial direction of the cross bar joint 1 on the, cannot rotate. The upper end and the lower end of the circular through hole of the upper clutch tooth 8 are provided with fixed grooves 8a for embedding the bearing 6, the upper end of the cross rod joint 1 penetrates through the spring 2 and the upper clutch tooth 8 and is arranged on the inner side of the bearing 6, the third section 1a square column section of the cross rod joint 1 is abutted against the bearing 6 at the lower end of the upper clutch tooth 8 for limiting, and the fourth section 1b of the cross rod joint 1 is tightly matched with the bearing 6. The lower side of the lower end surface of the upper clutch tooth 8 is provided with a movable groove 8b for inserting the upper end of a handle 12 and a positioning notch 8c for inserting a fork leg 9b of a torsion spring 9, the upper end of the handle 12 is provided with a U-shaped rotating groove 12a for rotating the torsion spring 9 and a positioning notch 12c at the end of the fork leg 9a of the torsion spring 9, and is provided with a cam surface 12d, the upper end of the handle 12 is transversely provided with a through hole 12b, two sides of the movable groove 8b are provided with corresponding rotating holes 8d, the torsion spring 9 is arranged in the rotating groove 12a of the handle 12, the end of the fork leg 9a of the torsion spring 9 is arranged in the positioning notch 12c of the handle 12, a handle torsion spring assembly is arranged in the movable groove 8b of the upper clutch tooth 8, the end of the fork leg 9b of the torsion spring 9 is arranged in the positioning notch 8c of the upper clutch tooth 8, and passes through the rotating hole 8d, the through hole 12b of the, the handle 12 and the torsion spring 9 are fixed on the upper clutch teeth 8, the fork legs 9a and 9b of the torsion spring 9 form an acute angle, and after the handle 12 is rotated, the torsion spring 9 has a return tendency, so that the handle 12 can return to an initial position.

A washer 4 which is in sliding contact with the upper end of the handle 12 is also embedded on the upper end surface of the lower clutch tooth 3; the upper end face of the lower clutch tooth 3 is provided with a groove 3c for placing a gasket, a connecting hole 4a is annularly formed in the gasket 4, a corresponding internal threaded hole 7a is formed in the groove 3c, and the gasket 4 is fixed in the groove 3c of the lower clutch tooth 3 by penetrating the connecting hole 4a in the gasket 4 through a screw 7.

The periphery of the lower end of the upper clutch tooth 8 is provided with a marking line 82, and the periphery of the upper end of the lower clutch tooth 3 is provided with a scale mark 32 which is matched with the marking line and is convenient for observing the left and right rotation angles.

Clutch teeth cover 15 cover establishes in the upper end of last clutch teeth 8, and horizontal pole 20 is hollow square tube, is equipped with the square through-hole that supplies horizontal pole 20 to wear to put on clutch teeth cover 8, and the lower extreme of horizontal pole 20 is equipped with connecting hole 201, and the upper end of going up clutch teeth 8 is equipped with corresponding horizontal pole fixed orifices 801, has seted up corresponding through-hole on clutch teeth cover 15, fixes the two on last clutch teeth 8 through screw 13.

The cross bar rotating mechanism B comprises left and right rotating bushings 50 and 51 and an inclined bar connecting piece 70, the left and right rotating bushings 50 and 51 are of a semicircular jacket structure, the left and right rotating bushings 50 and 51 are oppositely combined to form a square hole matched with the cross bar 20, the middle of the cross bar 20 is provided with a through mounting hole 202, the middle of the left and right rotating bushings 50 and 51 is provided with corresponding through holes 50a and 51a, the left and right rotating bushings 50 and 51 are oppositely combined and clamped on the left and right sides of the middle of the cross bar 20 and are fixed in a mode of screws 80 and nuts 90, the inclined bar connecting piece 70 is rotatably sleeved on the outer sides of the left and right rotating bushings 50 and 51, the lower end of the inclined bar connecting piece 70 is of a circular structure matched with the left and right rotating bushings 50 and 51, and the upper end of the inclined bar connecting piece 70 is rotatably connected with the lower end of the inclined. The left and right turning bushes 50 and 51 are two groups, which are located at the upper and lower sides in the circle structure of the swash block connecting block 70, the outer end face of each group of left and right turning bushes 50 and 51 is formed with a convex ring which is abutted to the two sides of the circle structure of the swash block connecting block 70, the outer peripheral face of each group of left and right turning bushes 50 and 51 is formed with a convex-concave texture which is convenient for increasing friction force, and after the swash block connecting block 70 is connected with the swash rod 300, the cross rod 20 can rotate in the swash block connecting block 70.

The specific operation process is as follows: when the handle 12 is pulled downwards, the surface 122 at the head of the handle 12 is in sliding contact with the surface 42 of the washer 4, the handle 12 can enable the lower clutch teeth 3 to move backwards, the inner ring teeth 31 of the lower clutch teeth 3 are disengaged from the convex teeth 81 of the upper clutch teeth 8, the rotation constraint of the cross rod 20 can be further relieved, when the handle 12 is pulled left and right again, the upper clutch teeth 8 can be enabled to be linked with the cross rod 20 to rotate relative to the lower clutch teeth 3, when the handle 12 is rotated to a certain position, the handle 12 is released, and under the action of the spring 2 and the torsion spring 9, the handle 12 and the lower clutch teeth 3 are restored to the original meshing state, so that the umbrella cover is fixed at a certain angle.

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

Claims (10)

1. A sunshade umbrella with a handle for regulating left and right angles comprises a vertical column, a cross rod, an inclined rod and an umbrella stand; the cover is equipped with a slider on the stand, and the lower extreme of horizontal pole is connected with the slider, and the upper end of horizontal pole links to each other with the top of umbrella stand, and the rear end of down tube is installed at the stand top, and the front end of down tube is connected with the middle part of horizontal pole, and the top of umbrella stand rotationally is connected its characterized in that with the upper end of horizontal pole: the sunshade also comprises an umbrella cover adjusting mechanism capable of controlling the umbrella cover to rotate left and right and a cross rod rotating mechanism capable of enabling the cross rod to rotate under the condition that the diagonal rod is not moved, the cross rod rotating mechanism is arranged in the middle of the cross rod, the front end of the diagonal rod is rotatably connected with the cross rod rotating mechanism, the lower end of the cross rod is rotatably connected with the sliding block through the umbrella cover adjusting mechanism, the umbrella cover adjusting mechanism comprises a cross rod joint, an upper clutch tooth, a lower clutch tooth and a handle, the upper clutch tooth is fixedly connected with the cross rod, the upper end of the cross rod joint penetrates through the lower clutch tooth to be rotatably connected with the upper clutch tooth, the lower clutch tooth can axially limit and move along the cross rod joint and is meshed with or separated from the upper clutch tooth, one end of the handle is rotatably arranged outside, when the handle is rotated downwards, the lower clutch teeth move downwards under the action of the handle to be separated from the upper clutch teeth, and the handle is rotated left and right, so that the cross rod can be rotated to carry out left and right adjustment on the umbrella cover.

2. Sunshade according to claim 1, characterized in that: the upper clutch teeth are of a sleeve structure with an opening at the upper end, the lower clutch teeth are of a sleeve structure with an opening at the lower end, and a square through hole and a circular through hole for the cross rod joint to penetrate through are respectively formed in the lower end face of the upper clutch teeth and the middle part of the upper end face of the lower clutch teeth; the lower terminal surface of going up the separation and reunion tooth has the round dogtooth around the outside shaping of circular through-hole, and the up end of separation and reunion tooth is equipped with the ring tooth of round and dogtooth meshing around the outside concave of square through-hole down, and the upper end that the horizontal pole connects passes the square through-hole of separation and reunion tooth down and goes up the circular through-hole of separation and reunion tooth in proper order, passes through the nut fixed at last tip, supports between the inner wall of separation and reunion tooth under and the lower part that the horizontal pole connects has a spring, makes down the separation and reunion tooth have the trend of rebound and last separation and.

3. Sunshade according to claim 2, characterized in that: the cross rod joint is divided into 5 sections from bottom to top along the length direction, wherein the first section as the tail part is a connecting section connected with the sliding block, the second section is a cylindrical section matched with an inner hole of the lower clutch tooth, the third section in the middle position is a square cylindrical section matched with a square through hole of the lower clutch tooth, the fourth section is a reducing cylindrical section matched with a circular through hole of the upper clutch tooth, the fifth section at the uppermost end is an external thread section matched with a nut, the spring is sleeved on the third section of the square cylindrical section of the cross rod joint, one end of the spring is abutted against the inner side of the square through hole of the lower clutch tooth, and the other end of the spring is abutted against the step surface of the second section of the lower clutch tooth.

4. A sunshade according to claim 3, characterised in that: the upper end and the lower end of the circular through hole of the upper clutch tooth are provided with fixed grooves for embedding bearings, the upper end of the cross rod joint penetrates through the spring and the upper clutch tooth and is arranged on the inner side of the bearing, the third section of the square column section of the cross rod joint is abutted against the bearings at the lower ends of the upper clutch tooth for limiting, and the fourth section of the cross rod joint is tightly matched with the bearings.

5. Sunshade according to claim 4, characterized in that: the lower side of the lower end face of the upper clutch tooth is provided with a movable groove for placing the upper end of the handle, the upper end of the handle is U-shaped and provided with a cam surface, the upper end of the handle is transversely provided with a through hole, two sides of the movable groove are provided with corresponding rotating holes, a torsion spring matched with the handle is further arranged between the upper end of the handle and the movable groove, and the handle and the torsion spring are fixed on the upper clutch tooth by penetrating through the rotating holes, the through hole of the handle and the central hole of the torsion spring through screws.

6. Sunshade according to claim 5, characterized in that: and a gasket which is in sliding contact with the upper end of the handle is embedded in the upper end surface of the lower clutch tooth.

7. Sunshade according to claim 6, characterized in that: go up the upper end cover of separation and reunion tooth and be equipped with separation and reunion tooth lid, the horizontal pole is hollow square pipe, and the separation and reunion tooth is covered and is equipped with the square through-hole that supplies the horizontal pole to wear to put, and the lower extreme of horizontal pole is equipped with the connecting hole, and the upper end of going up the separation and reunion tooth is equipped with corresponding horizontal pole fixed orifices, and the separation and reunion tooth is covered and has been seted up corresponding through-hole, fixes the two on.

8. Sunshade according to claim 1, characterized in that: horizontal pole slewing mechanism includes left right side commentaries on classics bush and down tube connecting piece, a left side, the right side commentaries on classics bush is the jacket structure of semicircle form, a left side, the right side commentaries on classics bush closes the back and forms the quad slit with horizontal pole matched with, the middle part of horizontal pole has been seted up and has been run through the mounting hole, a left side, the through hole that corresponds is seted up at the middle part of right side commentaries on classics bush, a left side, the right side commentaries on classics bush closes the centre gripping in the middle part left and right sides of horizontal pole, it is fixed through the mode of screw and nut, the down tube connecting piece is rotationally the cover and arranges the outside of controlling the bush and, the lower extreme of down.

9. Sunshade according to claim 8, characterized in that: the left and right turning bushings are divided into an upper group and a lower group and are respectively positioned at the upper side and the lower side in the circle structure of the inclined block connecting block, convex rings which are abutted to the two sides of the circle structure of the inclined block connecting block and are limited are formed on the outer end faces of the left and right turning bushings in each group, and concave-convex textures which are convenient for increasing friction force are formed on the circumferential surfaces of the left and right turning bushings.

10. Sunshade according to any of claims 1 to 9, in which: the periphery of the lower end of the upper clutch tooth is provided with a marking line, and the periphery of the upper end of the lower clutch tooth is provided with a scale mark which is matched with the marking line to facilitate observation of the left and right rotating angles.

Images