CN115444201A

CN115444201A - Handle mechanism of center pillar sunshade umbrella

Info

Publication number: CN115444201A
Application number: CN202211237711.1A
Authority: CN
Inventors: 王子国; 龙腾
Original assignee: Linhai Qiuyuan Crafts Co ltd
Current assignee: Linhai Qiuyuan Crafts Co ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2022-12-09

Abstract

The invention provides a handle mechanism of a sunshade with a central column, which comprises a U-shaped part and a handle, wherein the U-shaped part is sleeved and fixed on an upright post, and a handle shaft is rotatably connected between a first side wall and a second side wall of the U-shaped part; the first side wall is provided with a through hole, the outer side of the first side wall is provided with a lining, one side of the lining, which is close to the first side wall, is provided with an annular convex block, the annular convex block penetrates through the through hole and extends into the U-shaped part, the outer side wall of the annular convex block is provided with a circle of clamping groove, a buckle is clamped in the clamping groove, and the buckle is abutted against the first side wall; one end of the hand cranking shaft, which is far away from the second side wall, is rotatably connected in the annular convex block; the handle shaft is connected with a rope winding wheel in a sleeved mode, and an umbrella rope used for controlling the opening and closing of the umbrella cover is wound on the rope winding wheel; the handle penetrates through the bush and is detachably and fixedly connected with the handle shaft. The hand cranking mechanism has fewer parts, simple structure, convenient assembly and disassembly and easy maintenance or part replacement.

Description

Handle mechanism of center pillar sunshade umbrella

Technical Field

The invention relates to the technical field of sunshade umbrellas, in particular to a handle mechanism of a sunshade umbrella with a central column.

Background

Sunshade umbrella is the articles for daily use that people used for sunshade sun-proof, is often used for rest areas such as courtyard, public place. Along with the continuous promotion of people's standard of living, sun shade application range is wider and wider, also provides more comfortable leisure environment for people. The existing sunshade umbrella generally controls the opening and closing of the umbrella cover through a handle mechanism.

Chinese patent with publication number CN201675196U provides a handle device of sun shade, swing joint is on the umbrella pole, including handle mechanism, handle mechanism comprises handle shell protecgulum and handle shell back cover that mutually support and connect through self tapping screw, handle mechanism includes the hand crank and cup joints the reel of being connected rather than, the hand crank pierces through handle shell back cover and is connected with the reel cooperation, the reel on the wire winding setting be used for controlling the umbrella face open-close the umbrella rope. The hand cranking device has more parts and complex structure, and needs to adopt a screwdriver to disassemble and separate the front cover and the rear cover of the hand cranking shell when needing to be maintained or replacing parts, so that the hand cranking shell is not beneficial to maintenance operation.

Therefore, the prior art has a larger improvement space.

Disclosure of Invention

The invention aims to make up for the defects of the prior art and provides a handle mechanism of a sunshade with a central column.

In order to achieve the purpose, the invention is realized by the following technical scheme:

the handle mechanism of the center-pillar sunshade comprises a U-shaped part and a handle, wherein the U-shaped part is sleeved and fixed on an upright post, and a handle shaft is rotatably connected between a first side wall and a second side wall of the U-shaped part; the first side wall is provided with a through hole, the outer side of the first side wall is provided with a lining, one side of the lining, which is close to the first side wall, is provided with an annular convex block, the annular convex block penetrates through the through hole and extends into the U-shaped part, the outer side wall of the annular convex block is provided with a circle of clamping groove, a buckle is clamped in the clamping groove, and the buckle is abutted against the first side wall; one end of the hand cranking shaft, which is far away from the second side wall, is rotatably connected in the annular convex block; the handle shaft is connected with a rope winding wheel in a sleeved mode, and an umbrella rope used for controlling the opening and closing of the umbrella cover is wound on the rope winding wheel; the handle penetrates through the bush and is detachably and fixedly connected with the handle shaft.

The user extracts the buckle from the draw-in groove in proper order when maintenance or change part, extracts the bush from the through-hole, and the hand shaft is extracted from the through-hole, can pull down each part in the U type spare, and its is easy and simple to handle.

According to the scheme, the handle further comprises a base, the base is detachably and fixedly connected to the inner side of the second side wall, an inner cavity is formed in the base, a torsion spring is placed in the inner cavity, and the torsion spring is sleeved on the handle shaft; the handle shaft penetrates through the inner cavity and is rotatably connected with the base, and two ends of the torsion spring are respectively abutted against the inner cavity and the rope winding wheel.

When the handle is rotated clockwise, the torsion spring is in a clockwise stress state, the handle shaft and the rope winding wheel can synchronously rotate, and the rope winding wheel rotates to wind the umbrella rope, so that the lower umbrella disc connected with the umbrella rope moves upwards, and the opening of the umbrella cover of the sunshade umbrella is realized; when the sunshade umbrella cover is completely opened, a reverse tensile force is generated to act on the umbrella rope, the rope winding wheel on the sunshade umbrella cover generates a reverse rotation trend, the torsion spring is in a reverse stress state, the torsion spring in the reverse stress state can compress the locking handle shaft to prevent the handle shaft from rotating, and then the anti-slip locking of the sunshade umbrella cover is realized, and the locking state can be released by rotating the handle counterclockwise in the same way.

According to the above scheme, the base is fixedly connected to the inner side of the second side wall through a plurality of screws.

According to the scheme, the U-shaped piece is fixed on the upright post through the locking screws.

According to the scheme, a square hole is formed in one end, close to the bushing, of the handle shaft, and the handle is inserted into the square hole. The handle shaft can be driven to synchronously rotate by rotating the handle.

According to above scheme, the stand is close to one side of rope winding wheel and has seted up the side opening, be equipped with the fixed pulley between rope winding wheel and the side opening, the fixed pulley part passes the side opening stretches into in the stand, the parachute line gets into around the below of fixed pulley in the stand. Through setting up in the fixed pulley part stretches into the stand, can effectively prevent the inner wall friction of umbrella rope and stand, be favorable to improving the life of umbrella rope.

According to the scheme, the fixed pulley is connected between the first side wall and the second side wall of the U-shaped part through the locking screws. The fixed pulley can be replaced by disassembling the locking screw, and the operation is convenient.

The invention has the beneficial effects that:

the structure of the handle mechanism of the central pillar sunshade is specifically arranged, the parts are few, the structure is simple, when a user maintains or replaces the parts, the user sequentially pulls out the buckles from the clamping grooves, pulls out the bushes from the through holes, pulls out the handle shaft from the through holes, can detach the parts in the U-shaped part, and is easy to maintain or replace the parts.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a front view of the present invention with the handle removed;

FIG. 4 isbase:Sub>A sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic view of the construction of the bushing of the present invention

In the figure: 1. a column; 2. a U-shaped member; 21. a first side wall; 211. a through hole; 22. a second side wall; 3. shaking the hand; 4. A hand crank shaft; 41. a rope winding wheel; 411. an umbrella rope; 42. a torsion spring; 43. a square hole; 5. a bushing; 51. an annular projection; 511. a card slot; 512. buckling; 6. a base; 61. an inner cavity; 7. and a fixed pulley.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in fig. 1-5, the invention provides a handle mechanism of a center-pillar sunshade, comprising a U-shaped part 2 and a handle 3, wherein the U-shaped part 2 is fixed on a pillar 1 in a sleeving manner, and a handle shaft 4 is rotatably connected between a first side wall 21 and a second side wall 22 of the U-shaped part 2; a through hole 211 is formed in the first side wall 21, a bushing 5 is arranged on the outer side of the first side wall 21, an annular convex block 51 is arranged on one side, close to the first side wall 21, of the bushing 5, the annular convex block 51 penetrates through the through hole 211 and extends into the U-shaped part 2, a circle of clamping groove 511 is formed in the outer side wall of the annular convex block 51, a buckle 512 is clamped in the clamping groove 511, and the buckle 512 is abutted against the first side wall 21; one end of the hand crank shaft 4 far away from the second side wall 22 is rotatably connected in the annular convex block 51; a rope winding wheel 41 is connected to the handle shaft 4 in a sleeved mode, and an umbrella rope 411 used for controlling the opening and closing of the umbrella fabric is wound on the rope winding wheel 41; the hand crank 3 penetrates through the bush 5 and is detachably and fixedly connected with the hand crank shaft 4.

When the user is maintaining or changing parts, the user sequentially pulls out the buckle 512 from the clamping groove 511, pulls out the bush 5 from the through hole 211, pulls out the hand crank shaft 4 from the through hole 211, and can pull down all parts in the U-shaped part 2, so that the operation is simple and convenient.

Further, the handle device further comprises a base 6, the base 6 is detachably and fixedly connected to the inner side of the second side wall 22, an inner cavity 61 is formed in the base 6, a torsion spring 42 is placed in the inner cavity 61, and the torsion spring 42 is sleeved on the handle shaft 4; the hand crank shaft 4 penetrates through the inner cavity 61 and is rotatably connected with the base 6, and two ends of the torsion spring 42 are respectively abutted against the inner cavity 61 and the rope winding wheel 41.

When the handle 3 is rotated clockwise, the torsion spring 42 is in a clockwise stress state, so that the handle shaft 4 and the rope winding wheel 41 can synchronously rotate, the rope winding wheel 41 rotates to wind the umbrella rope 411, and the lower umbrella disc connected with the umbrella rope 411 moves upwards, thereby realizing the opening of the umbrella cover of the sunshade umbrella; when the umbrella surface of the sunshade umbrella is completely opened, a reverse pulling force is generated to act on the umbrella rope 411, the rope winding wheel 41 on the sunshade umbrella tends to rotate reversely, so that the torsion spring 42 is in a reverse stress state, and the torsion spring 42 in the reverse stress state can compress and lock the handle shaft 4 without rotating, so that the anti-slip locking of the umbrella surface of the sunshade umbrella is realized, and the handle 3 can be rotated anticlockwise when the locking state is released.

Further, the base 6 is fixedly connected to the inner side of the second side wall 22 by a plurality of screws.

Further, the U-shaped member 2 is fixed to the upright 1 by a lock screw.

Furthermore, a square hole 43 is formed in one end of the handle shaft 4 close to the bushing 5, and the handle 3 is inserted into the square hole 43. The handle shaft 4 can be driven to rotate synchronously by rotating the handle 3.

Further say, the stand 1 is close to one side of rope winding wheel 41 and has seted up the side hole, be equipped with fixed pulley 7 between rope winding wheel 41 and the side hole, fixed pulley 7 part is passed the side hole stretches into in the stand 1, the below entering of fixed pulley 7 is walked around to parachute line 411 in the stand 1. Through setting up in fixed pulley 7 part stretches into stand 1, can effectively prevent the friction of the inner wall of umbrella rope 411 with stand 1, be favorable to improving the life of umbrella rope 411.

Further, the fixed pulley 7 is connected between the first side wall 21 and the second side wall 22 of the U-shaped member 2 by a lock screw. The fixed pulley 7 can be replaced by disassembling the locking screw, and the operation is convenient.

When the handle mechanism of the sunshade with the middle column is used, the U-shaped part 2 is sleeved and fixed on the upright post 1 and then fixed on the upright post 1 through the locking screws; the handle 3 is rotated clockwise, the torsion spring 42 is in a clockwise stress state, the handle shaft 4 and the rope winding wheel 41 can be synchronously rotated, the rope winding wheel 41 rotates the umbrella folding rope 411, the lower umbrella disc connected with the umbrella rope 411 moves upwards, and the opening of the umbrella cover of the sunshade umbrella is further realized; when the umbrella surface of the sunshade umbrella is completely opened, a reverse tension force acts on the umbrella rope 411, and the rope winding wheel 41 on the sunshade umbrella generates a reverse rotation trend, so that the torsion spring 42 is in a reverse stress state, the torsion spring 42 in the reverse stress state can compress the locking hand crank shaft 4 to be locked without rotating, and further the anti-slip locking of the umbrella surface of the sunshade umbrella is realized, the locking state is released, the hand crank 3 is rotated anticlockwise similarly, and the rope winding wheel 41 rotates the umbrella releasing rope 411 to realize the folding of the umbrella surface of the sunshade umbrella; when needs maintain or change parts, pull out hand crank 3 from hand crank axle 4's square hole 43 in proper order, pull out in buckle 512 follows draw-in groove 511, and bush 5 is pulled out from through-hole 211, and hand crank axle 4 is pulled out from through-hole 211, can pull down each part in the U type spare 2, and its is easy and simple to handle.

The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.

Claims

1. A handle mechanism of a sunshade with a center pillar comprises a U-shaped part (2) and a handle (3), wherein the U-shaped part (2) is sleeved and fixed on a vertical column (1), and is characterized in that a handle shaft (4) is rotatably connected between a first side wall (21) and a second side wall (22) of the U-shaped part (2);

the U-shaped part is characterized in that a through hole (211) is formed in the first side wall (21), a bushing (5) is arranged on the outer side of the first side wall (21), an annular convex block (51) is arranged on one side, close to the first side wall (21), of the bushing (5), the annular convex block (51) penetrates through the through hole (211) and extends into the U-shaped part (2), a circle of clamping groove (511) is formed in the outer side wall of the annular convex block (51), a buckle (512) is clamped in the clamping groove (511), and the buckle (512) is abutted to the first side wall (21);

one end, far away from the second side wall (22), of the handle shaft (4) is rotatably connected into the annular bump (51), a rope winding wheel (41) is connected to the handle shaft (4) in a sleeved mode, and an umbrella rope (411) used for controlling the opening and closing of the umbrella cover is wound on the rope winding wheel (41); the hand crank (3) penetrates through the bushing (5) and is detachably and fixedly connected with the hand crank shaft (4).

2. The handle mechanism of the center-pillar parasol as claimed in claim 1, further comprising a base (6), wherein the base (6) is detachably and fixedly connected to the inner side of the second side wall (22), an inner cavity (61) is arranged on the base (6), a torsion spring (42) is placed in the inner cavity (61), and the torsion spring (42) is sleeved on the handle shaft (4);

hand cranking axle (4) pass inner chamber (61) with base (6) rotate to be connected, base (6) can dismantle fixed connection in the inboard of second lateral wall (22) the both ends of torsional spring (42) support the setting with inner chamber (61) and rope winding wheel (41) respectively.

3. The handle mechanism of a center-pillar parasol as claimed in claim 2, wherein the base (6) is fixedly attached to the inside of the second side wall (22) by a plurality of screws.

4. The handle mechanism of the center-pillar sunshade according to claim 1, wherein the U-shaped member (2) is fixed to the pillar (1) by a counter-locking screw.

5. The handle mechanism of the center-pillar sunshade according to claim 1, wherein a square hole (43) is formed in one end of the handle shaft (4) close to the bushing (5), and the handle (3) is inserted into the square hole (43).

6. The handle mechanism of the center pillar sunshade according to claim 1, wherein a side hole is opened at one side of the pillar (1) close to the rope winding wheel (41), a fixed pulley (7) is arranged between the rope winding wheel (41) and the side hole, the fixed pulley (7) partially penetrates through the side hole and extends into the pillar (1), and the umbrella rope (411) bypasses below the fixed pulley (7) and enters into the pillar (1).

7. The handle mechanism of a center-pillar parasol as claimed in claim 1, wherein the fixed pulley (7) is connected between the first side wall (21) and the second side wall (22) of the U-shaped member (2) by a counter-locking screw.