CN220587663U

CN220587663U - Beach umbrella

Info

Publication number: CN220587663U
Application number: CN202322124502.2U
Authority: CN
Inventors: 袁春亮; 杨胜勇
Original assignee: Weizi eCommerce Shanghai Co Ltd
Current assignee: Weizi eCommerce Shanghai Co Ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-03-15
Anticipated expiration: 2033-08-08

Abstract

The utility model provides a beach umbrella. Beach umbrella includes: the first sliding block is used for being rotatably connected with the first rod piece of the top frame unit and can be arranged on the central supporting rod in a sliding manner along the up-down direction; the second sliding block is used for being rotationally connected with a second rod piece of the top frame unit, and the second sliding block can be arranged on the central supporting rod in a sliding manner along the up-down direction; a locking mechanism for locking the first slider and the second slider; when the beach umbrella is in a folded state, the first sliding block and the second sliding block are far away from each other, and the locking mechanism is in an unlocked state; when the beach umbrella is in an unfolding state, the first sliding block and the second sliding block are mutually close, and the locking mechanism locks the first sliding block and the second sliding block mutually. The locking mechanism of the beach umbrella is arranged between the two sliding blocks without the need of additionally machining locking parts on the central supporting rod.

Description

Beach umbrella

Technical Field

The utility model relates to a beach umbrella.

Background

Beach umbrellas are widely used in outdoor activities for sun shading or rain protection, etc. One type of beach umbrella which is common adopts a foldable support, so that the beach umbrella can be unfolded or folded, and can be conveniently carried or stored. One of the collapsible brackets used for beach umbrellas comprises a central support rod at the center and a plurality of collapsible and expandable top frame units, wherein the central support rod is erected on the ground (such as beach), and the inner end parts of the top frame units are connected with the upper end parts of the support rods and radially extend outwards along the radial direction of the central support rod. A part of the rod pieces of the top frame unit are used for supporting umbrella cloth, and the other part of the rod pieces are connected with one sliding piece on the central supporting rod, and the top frame unit is driven to be unfolded or folded relative to the central supporting rod by sliding up and down through the sliding piece. After the beach umbrella is unfolded, the locking mechanism locks the beach umbrella to be in a unfolded state stably. Most of the current locking mechanisms are arranged between the central support rod and the sliding member, and the central support rod needs to be punched or provided with locking members, and the whole load of the beach umbrella is carried by the central support rod, and the operation may affect the strength of the central support rod or at least increase the processing difficulty (especially in the case of using a metal rod for the central support rod).

Disclosure of Invention

The object of the present utility model is to provide a beach umbrella whose locking mechanism is arranged between two sliders without the need for additional machining of locking parts in the central support bar.

In order to achieve the above purpose, the utility model adopts a technical scheme as follows:

a beach umbrella having an extended state and a collapsed state, the beach umbrella comprising a central support bar and a plurality of top frame units supported by the central support bar and capable of relative extension and retraction; the beach umbrella further comprises:

the first sliding block is used for being rotationally connected with the first rod piece of the top frame unit, and the first sliding block can be arranged on the central supporting rod in a sliding manner along the up-down direction;

the second sliding block is used for being rotationally connected with a second rod piece of the top frame unit, and the second sliding block can be arranged on the central supporting rod in a sliding manner along the up-down direction; and

A locking mechanism for locking the first slider and the second slider;

when the beach umbrella is in a folded state, the first sliding block and the second sliding block are far away from each other, and the locking mechanism is in an unlocked state; when the beach umbrella is in an unfolding state, the first sliding block and the second sliding block are mutually close, and the locking mechanism locks the first sliding block and the second sliding block mutually.

Herein, "the first slider and the second slider are away from each other" means specifically that the distance therebetween is greater than zero, particularly greater than the distance therebetween in the unfolded state; by "the first slider and the second slider are close to each other" it may be meant that the distance between the two is zero, or at least smaller than the distance between the first slider and the second slider in the collapsed state.

In a preferred embodiment, the locking mechanism comprises a locking plate and a locking groove which are matched with each other, the locking plate and the first sliding block are fixedly connected or integrally arranged, the locking groove is formed in the second sliding block, the locking plate is inserted into the locking groove when the beach umbrella is in an unfolded state, and the locking plate is separated from the locking groove when the beach umbrella is in a folded state.

In a more preferred embodiment, the locking piece has elasticity and can elastically deform, and a lug capable of preventing the locking piece from being separated from the locking groove is arranged on the locking piece.

In a more preferred embodiment, the lug extends outwards from the outer side surface of the locking plate, the lug is provided with a limiting surface facing upwards, and the limiting surface is opposite to or abutting against the lower surface of the second slider when the beach umbrella is in the unfolded state.

In a more preferred embodiment, the lugs have a leading ramp that slopes gradually outwardly from bottom to top.

In a more preferred embodiment the lugs are configured to deform inwardly under pressure during passage through the keyway and to automatically reset upon movement below the keyway.

In a more preferred embodiment, the number of locking pieces is two and is respectively located at two opposite sides of the central supporting rod, and the number and the positions of the locking grooves are in one-to-one correspondence with the locking pieces.

In a more preferred embodiment, the second slider is located below the first slider, and the locking tab extends downwardly from the first slider.

In a more preferred embodiment, the first slider and the second slider are sliding sleeves respectively sleeved on the central supporting rod in a sliding manner.

In a preferred embodiment, each of the top frame units includes a first top rod, a second top rod and a diagonal brace, an inner end of each of the first top rods is rotatably connected to an upper end of the central supporting rod, the first rod is the second top rod, the second rod is the diagonal brace, an inner end of each of the second top rods is rotatably connected to the first slider, the first top rod is also rotatably connected to the second top rod, an upper end of each of the diagonal braces is rotatably connected to the first top rod or the second top rod, and a lower end of each of the diagonal braces is rotatably connected to the second slider; when the beach umbrella is in an unfolding state, the outer end parts of the first ejector rod and the second ejector rod are far away from the central supporting rod; when the beach umbrella is in a folded state, the outer end parts of the first ejector rod and the second ejector rod are close to the central supporting rod, and the inclined supporting rod is accommodated between the first ejector rod and the central supporting rod.

Compared with the prior art, the utility model has the following advantages:

according to the beach umbrella, the locking mechanism is arranged between the first sliding block and the second sliding block, when the first sliding block and the second sliding block are close to each other, the locking mechanism is locked, the top frame unit is locked, and the beach umbrella is in a stable unfolding state; after the locking mechanism is unlocked, the first sliding block and the second sliding block can be mutually away, the top frame unit overturns towards the central supporting rod to be close together, a locking piece or a locking groove and the like are not required to be arranged on the central supporting rod, the additional processing of the central supporting rod is avoided, and adverse effects on the strength of the central supporting rod are avoided.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a perspective view of a beach umbrella according to an embodiment of the present utility model.

Fig. 2 is a perspective view of another beach umbrella in accordance with an embodiment of the present utility model.

Fig. 3 and 4 are perspective views of a beach umbrella according to an embodiment of the present utility model at two different viewing angles, respectively.

Fig. 5 is a front view of the beach umbrella shown in fig. 3 and 4.

Fig. 6 is a top view of the beach umbrella shown in fig. 3 and 4.

FIG. 7 is a schematic view of another beach umbrella according to an embodiment of the present utility model.

Fig. 8 is a vertical sectional view of the beach umbrella shown in fig. 7.

Fig. 9 is a partial enlarged view at a in fig. 8.

FIG. 10 is a schematic view of the beach umbrella shown in FIG. 7 at another viewing angle.

Fig. 11 is a vertical sectional view of the beach umbrella shown in fig. 10.

Fig. 12 is a partial enlarged view at B in fig. 11.

FIG. 13 is a schematic view of the beach umbrella of FIG. 7 in a folding process, wherein the first slider and the second slider are disengaged from each other.

FIG. 14 is a schematic view of the beach umbrella shown in FIG. 13 further folded.

FIG. 15 is a schematic view of the beach umbrella shown in FIG. 13 in a folded state.

Fig. 16 is a front view of one of the roof rack units in the unfolded state.

Fig. 17 and 18 are front and perspective views, respectively, of the top frame unit of fig. 16 during folding.

Fig. 19 is a partial enlarged view at C in fig. 18.

Fig. 20 is a front view of the top frame unit of fig. 16 in a collapsed state.

Fig. 21 and 22 are structural diagrams of the first slider at two different viewing angles, respectively.

Fig. 23 and 24 are structural diagrams of the second slider at two different viewing angles, respectively.

Fig. 25 is a structural view of the connecting piece.

Fig. 26 is a block diagram of a joint according to another embodiment of the utility model.

Wherein,

100. beach umbrella; 200. a cloth cover; 201. a sand bag;

1. a center support bar; 11. dividing the rod; 12. ground nails;

2. a top frame unit; 21. a first ejector rod; 22. a second ejector rod; 23. an extension rod; 24. a diagonal brace; 25. a joint; 251. a body; 251a, a plug; 252. a metal reinforcing sheet; 253. an impact buffer section; 254. a container; a1, a first pivot; a2, a second pivot; 26. a connecting sheet; 261. a sleeve; 262. a fin; 263. a hanging hole; 263a, a clamping groove part; 263b, a channel section;

3. a top cap;

4. a first slider; 41. a locking plate; 411. a lug;

5. a second slider; 51. a locking groove; 511. a groove wall;

6. and (3) a spring.

Detailed Description

Preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

It should be noted that: the terms "upper", "lower", "inner" and "outer" are used herein to describe the orientation of the components when the beach umbrella is in the extended position; "upper" and "lower" can be seen in FIG. 5 on the upper and lower sides of the page; "inner" and "outer" are defined with reference to a central support bar, "inner" specifically refers to a side or portion of a component that is closer to the central support bar, and "outer" specifically refers to a side or portion of a component that is farther from the central support bar.

The embodiment provides a beach umbrella, which can provide a shielding space outdoors for sun shading or rain shelter and the like. The beach umbrella is foldable, has an unfolded state and a folded state, and is suitable for being used in foldable shielding products.

Referring to fig. 1 and 2, the beach umbrella includes an umbrella stand, specifically, a beach umbrella 100, which will be described in detail below, and a cloth cover 200, the cloth cover 200 being fixed to the beach umbrella 100; when the beach umbrella 100 is in the unfolded state, the cloth cover 200 is unfolded to provide a larger shielding area. The cloth cover 200 is also provided with a plurality of sand bags 201 or is connected with a plurality of sand bags 201 to further stabilize the cloth cover 200.

As shown in fig. 3 to 6, beach umbrella 100 comprises a center support bar 1 and a plurality of top frame units 2. The central support bar 1 is arranged vertically and has an upper end and a lower end for resting on or being fixed to the ground. In use, the central support bar 1 stands on the ground with the lower end fixed to the ground. Further, the central support rod 1 is also telescopic or comprises a plurality of mutually detachable branch rods 11, so that the central support rod has smaller volume before assembly or after folding, reduces space occupation and is convenient for transportation or storage. In particular, in the present embodiment, the center support bar 1 includes three separate bars 11 that can be separated from each other, the three separate bars 11 are sequentially connected by fasteners such as screws, and the three separate bars 11 are separated from each other before assembly, so that the packaging space can be saved. The lowermost shank 11 may also be connected to a ground spike 12 for ease of insertion into the ground. The plurality of top frame units 2 are supported by the center support bar 1 and can be relatively unfolded and folded.

The upper end of the central support rod 1 is fixedly connected or integrally arranged with a top cap 3. The beach umbrella 100 further comprises a first slider 4 and a second slider 5. The first slider 4 is provided on the center support rod 1 so as to be movable in the up-down direction, and the first slider 4 is located below the top cap 3. The second slider 5 is provided on the center support rod 1 so as to be movable in the up-down direction, and the second slider 5 is located below the first slider 4. In this embodiment, the first slider 4 and the second slider 5 are respectively sliding sleeves sleeved on the central supporting rod 1, and are preferably sleeved on the uppermost sub rod 11 in a vertically sliding manner. The top cap 3, the first sliding block 4 and the second sliding block 5 are arranged from top to bottom.

In a preferred embodiment, as shown in fig. 7 to 12, the beach umbrella 100 further comprises a spring 6, the spring 6 being in particular a compression spring arranged between the top cap 3 and the first slider 4. The spring 6 is specifically sleeved on the central supporting rod 1, the upper end of the spring is propped against the top cap 3, and the lower end of the spring is propped against the first sliding block 4. When the beach umbrella 100 is in the folded state, the spring 6 deforms and has a tendency to enable the first slider 4 to slide downwards away from the top cap 3, so as to provide assistance for unfolding the beach umbrella 100, and the consumer can save more effort when opening the beach umbrella. When the beach umbrella 100 is folded, each top frame unit 2 turns downwards relative to the central supporting rod 1 and is closed under the action of self gravity and/or the action of the consumer pulling downwards, the first sliding block 4 slides upwards relative to the top cap 3, and the spring 6 between the two is in a compressed state.

One end portion of each of the top frame units 2 is connected to the center support bar 1, and the other end portion extends outward in the radial direction of the center support bar 1, and the plurality of top frame units 2 are arranged at equal intervals in the circumferential direction of the center support bar 1 so that the plurality of top frame units 2 are in a radial shape. Each top frame unit 2 can be unfolded and folded so that the entire beach umbrella 100 can be folded as shown in fig. 13 to 15. In this embodiment, four roof rack units 2 are specifically included. The top frame units 2 are identical in structure, and the four top frame units 2 are formed in a cross shape centering on the center support bar 1 in a plan view. A detailed description will be given below taking one of the top frame units 2 as an example.

As shown in the above figures and fig. 14 to 18, each top frame unit 2 includes a first top rod 21, a second top rod 22, an inclined strut 24 and a joint 25, and each top frame unit 2 is further connected to an extension rod 23. Wherein the inner end of the extension rod 23 is pivotally connected to the top frame unit 2 to allow the extension rod 23 to be flipped up relative to the top frame unit 2 when the beach umbrella 100 is flipped over. The inner end of the first ejector rod 21 is rotatably connected to the top cap 3; the joint 25 is disposed at the outer end of the first ejector rod 21, and the two are fixedly connected or integrally disposed. The inner end of the second ejector rod 22 is rotatably connected to the first slider 4, and the outer end of the second ejector rod 22 is rotatably connected to the joint 25. The inner end of the extension rod 23 is rotatably connected to the joint 25, and the outer end is extended outwardly and may be provided with a connection piece 26, and the connection piece 26 is provided with a connection hole or a connection groove to facilitate connection with the cloth cover 200, etc., providing a large shielding area. The upper end of the diagonal brace 24 is rotatably connected to the first jack 21 or the second jack 22, and the lower end of the diagonal brace 24 is rotatably connected to the second slider 5. In the embodiment, the first ejector rod 21 of each top frame unit 2 is pivotally connected to the top cap 3, the second ejector rod 22 of each top frame unit 2 is pivotally connected to the first slider 4, and the diagonal brace 24 of each top frame unit 2 is pivotally connected to the second slider 5. As shown in fig. 12, the extension rod 23 is connected to the joint 25 through a first pivot a1, the second jack 22 is connected to the joint 25 through a second pivot a2, and the first jack 21, the second jack 22, the center support rod 1 and the first slider 4 thereon of each jack unit 2 constitute a crank slider mechanism; the first carrier rod 21, the diagonal brace 24, the central support rod 1 and the second slide 5 thereon of each top frame unit 2 constitute a crank slide mechanism.

Further, in the present embodiment, each top frame unit 2 includes two second ejector pins 22, and the two second ejector pins 22 are connected between the same joint 25 and the first slider 4 in parallel to enhance the strength of the top frame unit 2. A gap is arranged between the two second ejector rods 22, and the diagonal brace 24 passes through the gap between the two second ejector rods 22 and is respectively connected with the first ejector rod 21 and the second sliding block 5. The length of the diagonal brace 24 is smaller than that of the first ejector rod 21 and the second ejector rod 22, and the distance between the joint of the diagonal brace 24 and the first ejector rod 21 and the outer end of the first ejector rod 21 is smaller than one half of the length of the first ejector rod 21, and the sum of the distance and the length of the diagonal brace 24 is smaller than or equal to the length of the second ejector rod 22. In addition, the difference in length between the first jack 21 and the second jack 22 is less than one tenth of the length of the second jack 22; preferably, the length of the first ejector pin 21 is smaller than the length of the second ejector pin 22. When the beach umbrella 100 is in the folded state, the upper end of the first ejector rod 21 and the upper end of the second ejector rod 22 are close together (the two are basically level, or the height difference is much smaller than 1/10 of the length of the first ejector rod 21), and the lower end of the first ejector rod 21 is higher than the upper end of the second ejector rod 22. When the beach umbrella 100 is in the folded state, in each top frame unit 2, the diagonal brace 24 is accommodated between the two second ejector rods 22, so as to fully utilize the internal space and avoid the overlarge whole volume after folding.

In other embodiments, each roof rack unit 2 includes two first roof bars 21, and the number of second roof bars 22 is one. The two first push rods 21 are connected in parallel between the same joint 25 and the top cap 3 to enhance the strength of the top frame unit 2. The diagonal strut 24 is rotatably connected to at least one of the first rams 21.

Further, the joint 25 not only rotationally connects the extension rod 23 with the first ejector rod 21 and the second ejector rod 22, but also plays a role in limiting the rotation of the extension rod 23; specifically, the joint 25 is configured to allow only the extension rod 23 to be turned upward with respect to the top frame unit 2 when the beach umbrella is turned upside down. As shown in fig. 9 and 19, the joint 25 has a receiving groove 254, and the outer end portion of the extension rod 23 is received in the receiving groove 254 when the beach umbrella 100 is in the unfolded state. The upper portion of the receiving groove 254 is opened to allow the extension rod 23 to be rotated out of the receiving groove 254 to be drawn toward each other with the first push rod 21. The central line of the extension rod 23 and the central line of the first push rod 21 coincide or are parallel to each other in the unfolded state of the shielding product, and the receiving groove 254 also extends along the central line of the extension rod 23. The upper portion and the outer end of the container 254 are open, the lower portion of the container 254 is closed, when the beach umbrella 100 is in the unfolded state, the extension rod 23 leans against the lower portion of the container 254, the lower portion of the container 254 has a rotation limiting effect on the extension rod 23, the extension rod 23 can be prevented from turning downwards, and the extension rod 23 can be turned upwards to be close to the first ejector rod 21. When beach umbrella 100 is in the unfolded state, first pivot a1 is located above the centerline of extension rod 23, and second pivot a2 is located below the centerline of extension rod 23.

The joint 25 has an impact buffer 253 that lands when the beach umbrella 100 is turned upside down, and the entire stand is supported by the impact buffer 253 of the joint 25 that lands when the beach umbrella 100 is turned upside down or is placed obliquely on the ground; at this time, the impact buffer 253 protrudes outwards relative to the first pivot a1, the second pivot a2, the inner end of the extension rod 23 and the outer end of the second ejector rod 22, so as to effectively avoid the end of the rod member (especially the outer end of the second ejector rod 22) from directly contacting, thereby reducing the risk of bending deformation or breakage of the rod member.

The joint 25 includes a body 251 and a metal reinforcing sheet 252 fixedly connected to the body 251, wherein the body 251 is a plastic member, which can be manufactured by an integral injection molding process. The metal reinforcing sheet 252 can be an alloy sheet with better strength such as a steel sheet. Further, the metal reinforcing sheet 252 extends from the first pivot a1 to the second pivot a2, and two ends of the metal reinforcing sheet 252 are respectively provided with a pivot hole for the first pivot a1 and the second pivot a2 to pass through. The first pivot a1 is inserted into the upper end portions of the body 251 and the metal reinforcing sheet 252, the second pivot a2 is inserted into the lower end portions of the body 251 and the metal reinforcing sheet 252, and the metal reinforcing sheet 252 can be connected to the body 251 by the first pivot a1 and the second pivot a2, so as to effectively strengthen the connection strength among the first push rod 21, the second push rod 22 and the extension rod 23. In this embodiment, each top frame unit 2 includes two second push rods 22 and is connected to the joints 25 in parallel, so that the number of the metal reinforcing sheets 252 is also two, and the metal reinforcing sheets are respectively disposed on two opposite sides of the body 251. The body 251 of the joint 25 further has a plug 251a, and the plug 251a is inserted into the outer end portion of the first jack 21 and fixed to the first jack 21 by a fastener such as a screw or a rivet.

In other embodiments, as shown in fig. 26, the metal reinforcing sheet 252 has three ends, which are generally L-shaped. Two ends of the metal reinforcing sheet 252 are provided with pivot holes, and the first pivot a1 and the second pivot a2 pass through the pivot holes respectively; the third end portion is provided with a connecting hole through which a fastener a3 such as a screw or a rivet passes and fixedly connects the joint 25 (specifically, the third end portion of the plug 251a and the metal reinforcing piece 252) with the outer end portion of the first jack 21. The strength of the joint of the first ejector rod 21, the second ejector rod 22 and the extension rod 23 is effectively enhanced.

As shown in fig. 3, 5, 7, 8 and 16, a connecting piece 26 is provided at the outer end of each extension rod 23 for conveniently connecting the cloth cover 200 of the shielding product. Referring specifically to fig. 25, the connecting piece 26 includes a sleeve 261, and the sleeve 261 is fitted over the outer end portion of the extension rod 23; further, the sleeve 261 is secured to the extension rod 23 by fasteners (e.g., screws). The connecting tab 26 further includes one or more tabs 262, the tabs 262 being fixedly connected or integrally provided with the sleeve 261. The fins 262 are generally sheet-like in shape and generally parallel to the cloth cover. The wing 262 is provided with a through-hole 263, and in this embodiment, the connecting hole 263 penetrates the wing 262 in the up-down direction. The hooking hole 263 has a catching groove portion 263a, and the catching groove portion 263a has an opening facing the outside or the lower side of the umbrella stand. The hooking hole 263 further has a guide groove portion 263b, and the guide groove portion 263b communicates with the locking groove portion 263a through the opening; the aperture or width of the guiding groove portion 263b is larger than that of the clamping groove portion 263a, and the whole hanging hole 263 is in a calabash shape; further, the guiding groove 263b is a circular hole, and the clamping groove 263a is a U-shaped hole.

The beach umbrella 100 has a locking mechanism. When the beach umbrella 100 is in the unfolded state, the locking mechanism is in the locked state, the first slider 4 and the second slider 5 are close to each other, and the locking mechanism locks the first slider 4 and the second slider 5 to each other. When the beach umbrella 100 is in the folded state, the locking mechanism is in the unlocked state, and the first slider 4 and the second slider 5 are separated from each other. The locking mechanism comprises a locking plate and a locking groove which are matched with each other. As shown in fig. 18 to 22, one of the first slider 4 and the second slider 5 has a lock piece 41 capable of elastic deformation and the other has a lock groove 51 formed therein, and the lock mechanism includes the lock piece 41 and the lock groove 51. The beach umbrella 100 is in an unfolded state with the locking piece 41 inserted into the locking slot 51, and the locking piece 41 has a lug 411 that is in abutting engagement with the slot wall of the locking slot 51. In the embodiment, as shown in fig. 12, the first slider 4 has a pair of downwardly extending lock pieces 41, and lugs 411 are provided on the lower portions of the lock pieces 41, the lugs 411 extending outwardly from the outer side surfaces of the lock pieces 41; the lug 411 has a limit surface facing upward and a guide slope inclined gradually outward from bottom to top. The first slider 4 has a lock groove 51 penetrating up and down, the lock piece 41 can be inserted into the lock groove 51, and the lug 411 can be caught by a groove wall 511 (a part of the lower surface of the second slider 5) of the second slider 5 facing downward, and after the lock piece 41 is inserted into the lock groove 51 and locked in place, the stopper surface of the lug 411 can abut against the groove wall 511, thereby preventing the lock piece 41 from slipping out. When unlocking is required, the lug 411 is pressed inward, avoiding the limitation of the groove wall 511, and the lock piece 41 can slide out of the lock groove 51. Further, the guiding slope of the lug 411 enables the lock piece 41 to be easily inserted into the lock groove 51. The lugs 411 are configured to deform inwardly under pressure during passage through the lock slot 51 and automatically reset after movement below the lock slot 51, the lugs 411 spring outwardly with the stop surface facing or abutting the slot wall 511 against the slot wall 511 to prevent the locking tab 41 from being upwardly disengaged from the lock slot 51. At the time of unlocking, the unlocking can be achieved by pressing the two lugs 411 inward and then pulling the second slider 5 downward.

As shown in the above figures, when the beach umbrella 100 is in the unfolded state, the ground nail 12 at the bottom of the center support bar 1 can be fixed in the ground and further stabilized by the sandbag 201 of the cloth cover 200; the plurality of top frame units 2 are unfolded outwards to prop open the cloth cover 200; the first sliding block 4 is positioned at a distance below the top cap 3, the second sliding block 5 and the first sliding block 4 are close to each other and are locked, and the spring 6 can be in an initial state; the inner end of the extension rod 23 is located in the receiving groove 254 of the joint 25, and the center lines of the extension rod 23 and the first ejector rod 21 are preferably collinear, and the center lines of the two second ejector rods 22 are located on opposite sides of the center line of the first ejector rod 21 in a top view. The first ejector rod 21 and the second ejector rod 22 are both obliquely arranged, and the inner end part is higher than the outer end part. The diagonal brace 24 is also disposed at an incline with the outer end portion being higher than the inner end portion.

When the beach umbrella 100 is in a folded state, each top frame unit 2 is close to the central support bar 1. Specifically, the joint 25 of each top frame unit 2 and the center support rod 1 (specifically, the lower end portion of the uppermost sub rod 11) are close to each other, that is, the outer end portion of the first jack 21, the outer end portion of the second jack 22, and the diagonal brace 24 and the extension rod 23 are all close to the center support rod 1; the first slider 4 and the second slider 5 are separated from each other and slide upwards until they are close to the top cap 3, and the spring 6 is compressed; the inner end of the second jack 22 and the inner end of the first jack 21 are close to each other.

When the beach umbrella 100 is folded, the lugs 411 on the two locking plates 41 are pressed inwards, the second sliding block 5 moves downwards and the first sliding block 4 are separated from each other, the diagonal brace 24 is driven to be close to the central supporting rod 1, so that the first ejector rod 21 and the second ejector rod 22 lean against the central supporting rod 1 at the same time, and the first sliding block 4 is pushed upwards and the top cap 3 is pushed to be close; finally, the extension rod 23 is turned upwards to be close to the first ejector rod 21, and the folding of the bracket is completed. When the shielding product is opened, the extension rod 23 is turned downwards to open, the second sliding block 5 is pushed upwards, and meanwhile, the first sliding block 4 slides downwards under the auxiliary pushing of the restoring force of the spring 6 until the locking plate 41 is inserted into the second sliding block 5, each top frame unit 2 is completely unfolded, and the whole top frame unit is directly locked in an unfolded state.

The beach umbrella 100 of the present embodiment can be applied to outdoor shielding products such as beach umbrellas, and when the shielding products are fallen to the ground, the extension rod 23 is turned upwards to buffer the impact force, so that the strength of the bracket is improved, and the top frame unit 2 does not need to be deformed or folded. The beach umbrella 100 can be unfolded and folded, and the folded volume is small. Wherein, the number of the second ejector rods 22 of each top frame unit 2 is two, so that the overall strength of the top frame is improved, and the size of the beach umbrella 100 after folding is not increased. In addition, the spring 6 between the top cap 3 and the first slider 4 provides assistance when the beach umbrella 100 is opened, and the product is more labor-saving when opened. Except for the extension rod 23, the whole top frame unit 2 is linked with the first sliding block 4 and the second sliding block 5, so that the opening and the folding are convenient; the extension rod 23 is pivoted on the joint 25, when the product falls down, the extension rod 23 can be folded upwards to buffer impact, so that the end part of the extension rod 23 is prevented from being directly impacted, and the risk of breakage or deformation of the extension rod 23 is reduced.

As used in this specification and in the claims, the terms "comprises" and "comprising" merely indicate that the steps and elements are explicitly identified, and do not constitute an exclusive list, as other steps or elements may be included in a method or apparatus. The term "and/or" as used herein includes any combination of one or more of the associated listed items.

It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly or indirectly fixed or connected to the other feature. Further, the descriptions of the upper, lower, left, right, etc. used in the present utility model are merely with respect to the mutual positional relationship of the constituent elements of the present utility model in the drawings.

It is further understood that the terms "first," "second," and the like are used to describe various information, but such information should not be limited to these terms. These terms are only used to distinguish one type of information from another and do not denote a particular order or importance. Indeed, the expressions "first", "second", etc. may be used entirely interchangeably. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure.

The above-described embodiments are provided for illustrating the technical concept and features of the present utility model, and are intended to be preferred embodiments for those skilled in the art to understand the present utility model and implement the same according to the present utility model, not to limit the scope of the present utility model. All equivalent changes or modifications made according to the principles of the present utility model should be construed to be included within the scope of the present utility model.

Claims

1. A beach umbrella having an extended state and a collapsed state, the beach umbrella comprising a central support bar and a plurality of top frame units supported by the central support bar and capable of relative extension and retraction; the beach umbrella is characterized by further comprising:

A locking mechanism for locking the first slider and the second slider;

2. The beach umbrella of claim 1, wherein the locking mechanism comprises a locking piece and a locking groove which are mutually matched, the locking piece and the first slider are fixedly connected or integrally arranged, the locking groove is formed in the second slider, the locking piece is inserted into the locking groove when the beach umbrella is in an unfolded state, and the locking piece is separated from the locking groove when the beach umbrella is in a folded state.

3. A beach umbrella as claimed in claim 2 wherein the locking tab is resilient and elastically deformable, the locking tab being provided with lugs which prevent the locking tab from being disengaged from the locking slots.

4. A beach umbrella as claimed in claim 3, wherein the lugs extend outwardly from the outer side surface of the locking tab, the lugs having upwardly facing stop faces, the stop faces being opposed to or abutting against the lower surface of the second slider when the beach umbrella is in the deployed state.

5. A beach umbrella as claimed in claim 3 wherein the lugs have a leading ramp which slopes progressively outwardly from bottom to top.

6. A beach umbrella as claimed in claim 3, wherein the lugs are configured to deform inwardly under pressure during passage through the lock slots and to automatically reset upon movement below the lock slots.

7. The beach umbrella of claim 2 wherein the number of locking tabs is two and is located on opposite sides of the central support bar, the number and location of the locking slots being in one-to-one correspondence with the locking tabs.

8. The beach umbrella of claim 2 wherein the second slider is located below the first slider and the locking tab extends downwardly from the first slider.

9. The beach umbrella of claim 1 wherein the first slider and the second slider are each a sliding sleeve slidingly sleeved on the center support bar.

10. The beach umbrella of claim 1, wherein each of the top frame units comprises a first top rod, a second top rod and a diagonal brace, an inner end of each of the first top rods is rotatably connected to an upper end of the center support rod, the first rod is the second top rod, the second rod is the diagonal brace, an inner end of each of the second top rods is rotatably connected to the first slider, the first top rod is also rotatably connected to the second top rod, an upper end of the diagonal brace is rotatably connected to the first top rod or the second top rod, and a lower end of the diagonal brace is rotatably connected to the second slider; when the beach umbrella is in an unfolding state, the outer end parts of the first ejector rod and the second ejector rod are far away from the central supporting rod; when the beach umbrella is in a folded state, the outer end parts of the first ejector rod and the second ejector rod are close to the central supporting rod, and the inclined supporting rod is accommodated between the first ejector rod and the central supporting rod.