CN110652084A - Easy-to-open structure of sunshade umbrella - Google Patents

Abstract

The invention provides an easy-opening structure of a sunshade, belonging to the technical field of sunshades. It has solved the hard problem of current sun shade opening. This easy-open structure of sun shade, the sun shade includes umbrella pole and rib, the top of umbrella pole is equipped with umbrella disc, the outer slidable cover of umbrella pole is equipped with umbrella disc down, the rib all links to each other with last umbrella disc and umbrella disc down, easy-open structure includes the pulley, act as go-between and the balancing piece with rib weight looks adaptation, the pulley sets up in last umbrella disc, length direction umbrella pole along the umbrella pole has the direction passageway, the balancing piece is arranged in the direction passageway and the balancing piece can slide along the direction passageway, the outer end of acting as go-between links to each other with umbrella disc down, the inner of acting as go-between is crossed the pulley and is stretched into in the direction passageway and link to each other with the balancing piece. The easy-opening structure has the advantages of labor saving and low cost for opening the sunshade.

Description

Easy-to-open structure of sunshade umbrella

Technical Field

The invention belongs to the technical field of sunshade umbrellas, and relates to an easy-opening structure of a sunshade umbrella.

Background

The sun umbrella is mainly composed of an umbrella surface and an umbrella support, wherein the umbrella surface is mainly made of polyester fabric and has an ultraviolet effect, and the umbrella support is used for supporting and playing a role in opening and closing the umbrella.

For example, chinese patent literature discloses an umbrella support [ application No.: 201720986213.5, respectively; authorization notice number: CN207023502U ], it includes the stick in the umbrella, the tip of stick is equipped with connecting piece one in the umbrella, it has a plurality of rib to articulate on the connecting piece one, the middle part of stick is connected with connecting piece two in the umbrella, it has the bracing piece with the rib one-to-one to articulate on the connecting piece two, and the tip of bracing piece is articulated mutually with the rib, the connecting piece cup joints on the stick in the umbrella and can slide from top to bottom along the stick in the umbrella, the connecting piece two includes the hasp, hasp cover and can with bracing piece tip articulated adapter sleeve, the bayonet socket has been seted up on the stick in the umbrella, the bayonet socket can be worn out to the tip of hasp, be equipped with the button that can lean on with hasp tip on the hasp cover, the button can press the hasp tip in the stick in the umbrella, be equipped with a plurality of installation cover in the.

In the umbrella support with the structure, a user holds the locking sleeve by hand and pushes the locking sleeve upwards along the umbrella middle rod to open the umbrella, but because the umbrella ribs and the supporting rod have certain weight, and the umbrella cover arranged on the umbrella ribs is added, if the sunshade is relatively large, the user needs to take great effort to open the sunshade with the structure, and the sunshade is inconvenient to open; in order to facilitate the opening of a large-sized sunshade, people drive the sunshade by arranging a driving motor in a middle rod of the sunshade, so that the sunshade is convenient to open, but the cost of the umbrella opening mode is high, and once the driving motor in the middle rod of the sunshade is damaged, the whole sunshade needs to be disassembled, so that the sunshade is inconvenient to maintain and replace and high in maintenance and replacement cost.

Disclosure of Invention

The invention aims to provide an easy-opening structure of a sunshade aiming at the problems in the prior art, and solves the technical problems of labor saving and low cost of opening the sunshade.

The purpose of the invention can be realized by the following technical scheme: the utility model provides an easy-to-open structure of sun shade, sun shade include umbrella pole and rib, the top of umbrella pole is equipped with umbrella disc, the outer slidable cover of umbrella pole is equipped with umbrella disc down, the rib all links to each other with umbrella disc and lower umbrella disc with last umbrella, a serial communication port, easy-to-open structure includes the pulley, draws the line and with the balancing piece of rib weight looks adaptation, the pulley sets up in last umbrella disc, along the length direction of umbrella pole direction has the direction passageway in the umbrella pole, the balancing piece is located the direction passageway just the balancing piece can slide along the direction passageway, the outer end of drawing the line links to each other with lower umbrella disc, the inner of drawing the line is crossed the pulley and is stretched into in the direction passageway and is linked to each other with the balancing piece.

When the umbrella is opened, the sunshade is erected, a user holds the lower umbrella plate to apply external force to enable the lower umbrella plate to move upwards along the umbrella post, the balance block pulls the lower umbrella plate to move upwards along the umbrella post through the pull wire under the action of self gravity, the balance block is matched with the user, in brief, the external force applied by the user and the gravity of the balance block are equal to the force required by opening the umbrella ribs, the external force required to be applied when the user opens the umbrella is reduced, therefore, the umbrella ribs are convenient to open, the sunshade is labor-saving to open, and when the umbrella is folded, the umbrella ribs can pull the balance block under the action of self gravity to fold the umbrella. The price of the balance block is obviously far lower than that of the driving motor and the matched facilities thereof, so that the sunshade umbrella is labor-saving to open and low in cost.

In the easy-opening structure of the sunshade, the upper umbrella disc is internally provided with a pair of line passing grooves which are symmetrically arranged, the pulley is rotatably arranged in the line passing grooves, the bottom of each line passing groove is provided with a first through hole and a line passing hole which penetrate through the groove, the first through hole is communicated with the outside, the line passing holes are communicated with the guide channel, and the pull line enters the line passing grooves through the first through holes, crosses the pulley and then passes through the line passing holes to enter the guide channel. The structure plays a role in reversing the stay wire, and simultaneously, the stay wire is partially positioned outside the umbrella post and partially positioned inside the umbrella post, so that the stay wire can not be knotted, and the balance block moves smoothly, thereby ensuring that the sunshade umbrella is convenient to open and close and saves labor when opened; meanwhile, the wire passing grooves are symmetrically arranged, so that the acting force of the two sections of pull wires on the balance blocks is symmetrical, the balance blocks are guaranteed to be stressed and balanced, the balance blocks cannot be clamped with the umbrella posts, and the balance blocks can smoothly slide along the guide channels.

In the easy-opening structure of the sunshade, the top of the umbrella post is embedded into the upper umbrella disc, the top of the umbrella post extends into the wire passing groove, the first through hole and the wire passing hole are separated by the umbrella post, the first through hole is located on the outer side of the umbrella post, and the wire passing hole is located on the inner side of the umbrella post. The umbrella post is fixedly connected with the upper umbrella disc, the top of the umbrella post is embedded into the wire passing groove to separate the first through hole from the wire passing hole, and the stay wire is prevented from knotting at the position, so that the balance block is guaranteed to move smoothly; and the structure can correspondingly reduce the separated structure, and the design is ingenious.

In the easy-opening structure of the sunshade, the lower umbrella disc is provided with a pair of second through holes for the stay wires to pass through, the second through holes enable the cavity inside the lower umbrella disc to be communicated with the outside, the central connecting line of the second through holes and the corresponding first through holes is parallel to the umbrella post, the outer ends of the stay wires are positioned in the lower umbrella disc, and the outer ends of the stay wires can be clamped with the lower umbrella disc. This kind of structure makes each section of acting as go-between parallel to each other, makes the effort of acting as go-between reasonable, guarantees that the balancing piece atress is balanced, and the balancing piece can not block with the umbrella post, guarantees that what the balancing piece can be smooth and easy slides along the direction passageway.

In the easy-opening structure of the sunshade, the guide channel is in a long straight cylinder shape, the cross section of the guide channel is circular, the balance block is in a long straight cylinder shape, the outer diameter of the balance block is smaller than the inner diameter of the guide channel, and a gap is formed between the outer side wall of the balance block and the inner side wall of the guide channel. The structure reduces the possibility of blocking the balance block and the umbrella post, and ensures the balance block to move smoothly, thereby ensuring the sunshade to be opened conveniently and labor-saving.

In the easy-opening structure of the sunshade, the top of the balance block is provided with a connecting column which is convexly arranged, the outer diameter of the connecting column is smaller than that of the balance block, and the connecting column is connected with the pull wire. The spliced pole can not influence the removal of balancing piece, and this kind of structure makes the acting as go-between can not paste on the inside wall of umbrella pole simultaneously, makes the removal of acting as go-between smooth and easy to make the balancing piece remove smoothly, guarantee that the sun shade is opened conveniently, opens laborsavingly.

In the easy-opening structure of the sunshade, the middle upper part of the umbrella post is provided with a convex limiting bulge and a plurality of through positioning holes for inserting the bolts, all the positioning holes are arranged in a row and are arranged along the length direction of the umbrella post, and the distance from the positioning hole closest to the limiting bulge along the length direction of the umbrella post to the limiting bulge is greater than the length of the lower umbrella disc. The limiting bulge plays a limiting role, and prevents the lower umbrella disc from moving excessively to damage the sunshade; the distance between the limiting bulge and the positioning hole ensures that the lower umbrella disc can be embedded; after the bolt is inserted into the positioning hole, the lower umbrella disk can be supported, so that the sunshade umbrella is kept in an unfolded state.

In the easy-opening structure of the sunshade, two pairs of reinforcing ribs are arranged in the upper umbrella disc, each pair of reinforcing ribs are symmetrically arranged on two sides of the corresponding wire passing groove, the reinforcing ribs are obliquely arranged, the distance between the inner ends of each pair of reinforcing ribs is smaller than that between the outer ends of the reinforcing ribs, and the inner ends of the reinforcing ribs are positioned at the pulley and the wire passing hole. The arrangement of the reinforcing ribs improves the strength of the upper umbrella disc, the inner ends of the reinforcing ribs are located at the pulley and the wire passing holes, the positions are positions where the pulleys bear force, the strength of the positions is guaranteed due to the arrangement of the reinforcing ribs, and the upper umbrella disc is not easy to damage.

In the easy opening structure of the sunshade, the balance weight is made of metal materials or metal clad stones. The structure enables the balance weight to have enough weight, and the balance weight can balance the weight of the umbrella ribs.

In the easy-opening structure of the sunshade, the stay wire is a steel wire rope or a fiber rope. The surface of the stay wire is smooth and cannot be clamped, and the stay wire has high strength and cannot be broken.

Compared with the prior art, the easy-opening structure of the sunshade umbrella provided by the invention has the following advantages:

1. the easy-opening structure of the sunshade umbrella is provided with the balance block, the balance block has gravity to be matched with a user, and the force required by the user to open the sunshade umbrella is reduced, so that the sunshade umbrella is convenient to open and labor-saving to open.

2. The sun shade balancing block is low in cost relative to the driving motor and the matched facilities thereof, and the balancing block can be separated from the umbrella post to be clamped only by pulling the pull wire positioned outside the umbrella post even if the balancing block is clamped, so that the maintenance is not required to be disassembled, and the cost is reduced.

Drawings

Fig. 1 is a schematic view of the whole structure and a schematic view of the arrangement of the stay wire position when the sunshade umbrella is unfolded.

Fig. 2 is a partial structure schematic diagram of the sunshade umbrella when being unfolded.

Fig. 3 is a schematic view of the whole structure and a schematic view of the arrangement of the stay wire position when the sunshade umbrella is folded.

Fig. 4 is a schematic view of the internal structure of the umbrella disk on the sunshade umbrella.

In the figure, 1, an umbrella post; 2. umbrella ribs; 3. an umbrella disc is arranged; 4. an umbrella disk is arranged; 5. a pulley; 6. a pull wire; 7. a counterbalance; 8. a guide channel; 9. a wire passing groove; 10. a first through hole; 11. a wire passing hole; 12. a second through hole; 13. connecting columns; 14. a limiting bulge; 15. a bolt; 16. positioning holes; 17. and (5) reinforcing ribs.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2 and 3, the sunshade comprises a pole 1, ribs 2, an upper umbrella plate 3, a lower umbrella plate 4 and an easy-opening structure. The easy-open structure comprises a pulley 5, a pull wire 6 and a balancing block 7. The top of umbrella pole 1 is equipped with umbrella disk 3, and the outer slidable cover of umbrella pole 1 is equipped with umbrella disk 4 down, and rib 2 all links to each other with umbrella disk 3 and umbrella disk 4 down.

In this embodiment, the balance weight 7 is made of a metal material, the weight of the balance weight 7 is matched with the weight of the umbrella rib 2, the stay wire 6 is a steel wire rope, in actual production, the balance weight 7 can be made of metal-coated stone, and the stay wire 6 can be a fiber rope. Have guide channel 8 in the length direction umbrella post 1 of edge umbrella post 1, guide channel 8 is long straight tube-shape, and guide channel 8's cross section is circular, and balancing piece 7 is long straight cylindric, and balancing piece 7 is arranged in guide channel 8 and balancing piece 7 can slide along guide channel 8. The outer diameter of the balance weight 7 is smaller than the inner diameter of the guide channel 8, and a gap is formed between the outer side wall of the balance weight 7 and the inner side wall of the guide channel 8. The top of the balance weight 7 is provided with a connecting column 13 which is arranged in a protruding way, and the outer diameter of the connecting column 13 is smaller than that of the balance weight 7.

As shown in fig. 4, the upper umbrella disk 3 has a pair of symmetrically disposed thread passing grooves 9, the pulley 5 is rotatably disposed in the thread passing grooves 9, the bottom of the thread passing groove 9 has a first through hole 10 and a thread passing hole 11, the first through hole 10 is communicated with the outside, and the thread passing hole 11 is communicated with the guide channel 8. The top of the umbrella post 1 is embedded into the upper umbrella disk 3, the top of the umbrella post 1 extends into the wire passing groove 9, the first through hole 10 and the wire passing hole 11 are separated by the umbrella post 1, the first through hole 10 is located on the outer side of the umbrella post 1, and the wire passing hole 11 is located on the inner side of the umbrella post 1. Two pairs of reinforcing ribs 17 are arranged in the upper umbrella disc 3, each pair of reinforcing ribs 17 are symmetrically arranged on two sides of the corresponding wire passing groove 9, the reinforcing ribs 17 are obliquely arranged, the distance between the inner ends of each pair of reinforcing ribs 17 is smaller than that between the outer ends, and the inner ends of the reinforcing ribs 17 are positioned at the pulley 5 and the wire passing hole 11.

The lower umbrella disk 4 is provided with a pair of second through holes 12 for the stay wires to pass through, the second through holes 12 enable the cavity inside the lower umbrella disk 4 to be communicated with the outside, the central connecting line of the second through holes 12 and the corresponding first through holes 10 is parallel to the umbrella post 1, the outer ends of the stay wires 6 are positioned in the lower umbrella disk 4, the outer ends of the stay wires 6 can be clamped with the lower umbrella disk 4, the inner ends of the stay wires 6 enter the wire passing grooves 9 through the first through holes 10, cross the pulleys 5 and then enter the guide channels 8 through the wire passing holes 11, and the inner ends of the stay wires 6 are connected with the connecting posts 13.

The middle upper part of the umbrella post 1 is provided with a protruding limiting bulge 14 and a through positioning hole 16 for inserting the bolt 15, in the embodiment, the number of the positioning holes 16 is three, and in the actual production, the number of the positioning holes 16 can be two or five. All the positioning holes 16 are arranged in a row and are arranged along the length direction of the umbrella post 1, and the distance from the positioning hole 16 closest to the limiting bulge 14 along the length direction of the umbrella post 1 is greater than the length of the lower umbrella disk 4.

As shown in fig. 2, when the sunshade is in a retracted state, a user stands the sunshade, holds the umbrella pole 1 with one hand, holds the lower umbrella disc 4 with the other hand and pushes the lower umbrella disc 4 upwards along the umbrella pole 1, the balance weight 7 moves downwards under the action of self gravity, meanwhile, the balance weight 7 pulls the lower umbrella disc 4 upwards along the umbrella pole 1 through the pull wire 6, so that the force required by the user in opening the umbrella is saved, when the lower umbrella disc 4 moves to the position of the limiting protrusion 14 and is clamped, the user inserts the pin shaft into the corresponding positioning hole 16, releases the lower umbrella disc 4, and the lower umbrella disc 4 abuts against the pin shaft to complete the opening of the umbrella, as shown in fig. 1. When the umbrella is closed, the lower umbrella disk 4 is pushed upwards for a short distance, and the pin shaft is pulled out, so that the lower umbrella disk 4 moves downwards along the umbrella post 1.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although the terms of the umbrella post 1, the umbrella ribs 2, the upper umbrella disk 3, the lower umbrella disk 4, the pulley 5, the pull wire 6, the balance weight 7, the guide channel 8, the wire passing groove 9, the first through hole 10, the wire passing hole 11, the second through hole 12, the connecting column 13, the limiting protrusion 14, the bolt 15, the positioning hole 16, the reinforcing rib 17, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims (10)

1. An easy-open structure of a sunshade, the sunshade comprises a sunshade column (1) and a sunshade rib (2), an upper umbrella disk (3) is arranged at the top of the umbrella post (1), a lower umbrella disk (4) is sleeved outside the umbrella post (1) in a sliding way, the umbrella ribs (2) are connected with the upper umbrella disk (3) and the lower umbrella disk (4), it is characterized in that the easy-to-open structure comprises a pulley (5), a pull wire (6) and a balance block (7) matched with the weight of the umbrella rib (2), the pulley (5) is arranged in the upper umbrella disk (3), a guide channel (8) is arranged in the umbrella post (1) along the length direction of the umbrella post (1), the balance weight (7) is positioned in the guide channel (8) and the balance weight (7) can slide along the guide channel (8), the outer end of the pull wire (6) is connected with the lower umbrella disc (4), and the inner end of the pull wire (6) passes over the pulley (5) and extends into the guide channel (8) to be connected with the balance block (7).

2. The easy-opening structure of the sunshade umbrella as claimed in claim 1, wherein a pair of symmetrically arranged wire passing grooves (9) is arranged in the upper umbrella plate (3), the pulley (5) is rotatably arranged in the wire passing grooves (9), a first through hole (10) and a wire passing hole (11) are arranged at the bottom of each wire passing groove (9), the first through hole (10) is communicated with the outside, the wire passing hole (11) is communicated with the guide channel (8), and the pull wire (6) enters the wire passing grooves (9) through the first through hole (10), passes through the wire passing hole (11) and enters the guide channel (8) after passing over the pulley (5).

3. An easy opening structure of sunshade according to claim 2, characterized in that the top of said umbrella pole (1) is embedded into the upper umbrella disc (3), and the top of said umbrella pole (1) is extended into said thread passing groove (9), said umbrella pole (1) separates the first through hole (10) and the thread passing hole (11), said first through hole (10) is located at the outer side of the umbrella pole (1), said thread passing hole (11) is located at the inner side of the umbrella pole (1).

4. An easy-open structure of sunshade according to claim 2 or 3, characterized in that said lower umbrella plate (4) has a pair of second through holes (12) for the pulling wire to pass through, said second through holes (12) make the cavity inside the lower umbrella plate (4) communicate with the outside, the central connecting line of said second through holes (12) and the corresponding first through holes (10) is parallel to the umbrella pole (1), the outer end of said pulling wire (6) is located in the lower umbrella plate (4) and the outer end of said pulling wire (6) can be blocked with the lower umbrella plate (4).

5. The easy-opening structure of the sunshade according to claim 1, 2 or 3, characterized in that the guide channel (8) is in the shape of a long straight cylinder, the cross section of the guide channel (8) is circular, the balancing block (7) is in the shape of a long straight cylinder, the outer diameter of the balancing block (7) is smaller than the inner diameter of the guide channel (8), and a gap is formed between the outer side wall of the balancing block (7) and the inner side wall of the guide channel (8).

6. Easy opening structure for parasol according to claim 1, 2 or 3, characterized in that the weight (7) has a protruding connection pole (13) on top, the outer diameter of the connection pole (13) is smaller than the outer diameter of the weight (7), the connection pole (13) is connected with the pulling wire (6).

7. The easy opening structure of the sunshade according to claim 1, 2 or 3, characterized in that the middle upper part of the umbrella pole (1) is provided with a limit bulge (14) which is arranged in a protruding way and a plurality of positioning holes (16) which are penetrated through and are used for inserting the bolts (15), all the positioning holes (16) are arranged in a row and are arranged along the length direction of the umbrella pole (1), and the distance between the positioning hole (16) which is closest to the limit bulge (14) along the length direction of the umbrella pole (1) and the limit bulge (14) is larger than the length of the lower umbrella disc (4).

8. The easy-opening structure of the sunshade umbrella as claimed in claim 2 or 3, wherein two pairs of reinforcing ribs (17) are arranged in the upper umbrella tray (3), each pair of reinforcing ribs (17) are symmetrically arranged at two sides of the corresponding wire passing groove (9), the reinforcing ribs (17) are obliquely arranged, the distance between the inner ends of each pair of reinforcing ribs (17) is smaller than that between the outer ends, and the inner ends of the reinforcing ribs (17) are positioned at the pulley (5) and the wire passing hole (11).

9. Easy opening structure for parasol, according to claim 1 or 2 or 3, characterized in that the counterweight (7) is made of metal material or of metal clad stone.

10. Easy opening structure for parasol according to claim 1 or 2 or 3, characterized in that the pulling wire (6) is a steel wire rope or a fiber rope.

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