Frame for sheltering product, joint, and beach umbrella

Abstract

A frame for a sheltering product, a joint, and a beach umbrella. The frame for a sheltering product comprises a central support pole; a plurality of top frame units, which are supported by the central support pole and can relatively fold and unfold, wherein each top frame unit comprises a first top pole and a second top pole, the inner end of the first top pole being rotatably connected to a top cap; and a first slider, which is arranged on the central support pole and can move in a vertical direction, and which is located below the upper end of the central support pole, wherein the inner end of each second top pole is rotatably connected to the first slider. The first top pole, the second top pole, the central support pole, and the first slider form a crank and slider mechanism. The frame further comprises extension poles, wherein the inner end of each extension pole is pivotally connected to a top frame unit, in order to allow the extension pole to flip upwards relative to the top frame unit when the frame falls over sideways.

Description

Brackets, joints and beach umbrellas for shelter products

[0001] Related applications

[0002] This application claims priority to Chinese patent applications No. CN 2023109965536, CN 2023221245022, CN 2023221248618, CN 202322124875X, CN 2023221299639 and CN 202322124522X filed on August 8, 2023, the entire contents of which are incorporated herein by reference. Technical Field

[0003] The present disclosure belongs to the field of outdoor products and relates to a bracket and a joint for shielding products and a beach umbrella having the bracket and a joint. Background Art

[0004] Outdoor shelter products, typically beach umbrellas, are widely used for sun protection or rain protection during outdoor activities. A common type of beach umbrella utilizes a retractable frame, allowing the umbrella to be unfolded or folded, while also facilitating transport or storage. One such retractable frame includes a central support pole and multiple retractable and deployable top frame units. The central support pole is erected on the ground (e.g., a beach), with the inner ends of each top frame unit connected to the upper end of the support pole and extending radially outward from the central support pole. Each top frame unit includes three slender rods. The inner end of the first slender rod is hinged to an upper fixed block, and the inner end of the second slender rod is hinged to a lower fixed block. The upper fixed block is fixed to the upper end of the central support rod, and the lower fixed block is fixed to the central support rod and is located a distance below the upper fixed block. The outer ends of the first and second slender rods are respectively hinged to different parts of the third slender rod. Each top frame unit and the support rod bracket form a four-bar linkage, so that each top frame unit can be folded and unfolded. However, this beach umbrella has the following disadvantages: if the beach umbrella falls to the ground due to excessive side wind or other reasons, the third slender rod will be directly hit. Although the third slender rod may flip upward to avoid direct impact, the upward flipping of the third slender rod will inevitably cause the first and second slender rods to flip, and the risk of deformation or even breakage of the rods is relatively high.

[0005] Summary of the Invention

[0006] One aspect of the present disclosure provides a support for shielding products, comprising:

[0007] a central support rod having an upper end and a lower end for supporting or fixing on the ground, the lower end being located below the upper end;

[0008] A plurality of top frame units, which are supported by the central support rod and can be relatively expanded and folded, each of the top frame units includes a first top rod and a second top rod, and the inner end of each first top rod is rotatably connected to the upper end of the central support rod;

[0009] a first slider movably disposed on the central support rod in an up-down direction, the first slider deviating from the upper end of the central support rod, the inner end of each of the second push rods being rotatably connected to the first slider, and the first push rods being rotatably connected to the second push rods, so that the first push rods, the second push rods, the central support rod, and the first slider constitute a slider-crank mechanism; and

[0010] An extension rod has an inner end portion pivotally connected to one of the top frame units to allow the extension rod to flip upward relative to the top frame unit when the bracket falls to the ground.

[0011] In one embodiment, the bracket further includes a joint disposed at the outer end of the first top rod. The outer end of the second top rod is rotatably connected to the joint. The inner end of the extension rod is rotatably connected to the joint and is configured to only allow the extension rod to tilt upward relative to the top rack unit when the product rack is tilted. The extension rod is pivotally connected to the joint. When the product falls, the extension rod will fold upward, cushioning the impact and protecting the end of the extension rod from direct impact, thereby reducing the risk of breakage or deformation of the extension rod. The extension rod also increases the shielding area of ​​the product rack.

[0012] In one embodiment, the joint has a receiving groove into which the outer end of the extension rod is received when the bracket is deployed. The groove has an open upper portion to allow the extension rod to rotate upward. In addition to accommodating the outer end of the extension rod, the groove also restricts the extension rod's rotational direction, allowing it to rotate upward relative to the joint when the shielding product bracket is deployed. Specifically, the lower wall of the groove restrains the extension rod, preventing it from rotating downward.

[0013] In one embodiment, when the bracket is in the unfolded state, the center line of the extension rod and the center line of the first top rod coincide with or are parallel to each other, and the extension rod is connected to the joint via a first pivot, and the first pivot is located above the center line of the extension rod.

[0014] In one embodiment, the second push rod is connected to the joint via a second pivot, and the second pivot is located below the centerline of the extension rod.

[0015] In one embodiment, the joint includes a body and a metal reinforcement plate fixedly connected to the body. The metal reinforcement plate extends from the first pivot to the second pivot, and pivot holes are respectively defined at each end of the metal reinforcement plate for the first pivot and the second pivot to pass through. Each top frame unit includes two second push rods connected in parallel to the joint, resulting in two metal reinforcement plates, one on each opposite side of the body.

[0016] In one embodiment, a connecting piece is provided on the outer end portion of each of the extension rods, and a connecting hole for connecting a cloth cover of a shielding product (such as an umbrella cloth) is provided on the connecting piece.

[0017] In one embodiment, when the bracket is in the folded state, the joints of each of the top frame units and the central support rod are close to each other, the first slider and the upper end of the central support rod are close to each other, and the inner end of the second top rod and the inner end of the first top rod are close to each other.

[0018] In one embodiment, the first push rod, second push rod, central support rod, and first slider attached to each push rod unit form a slider-crank mechanism. The first push rod, diagonal support rod, central support rod, and second slider attached to each push rod unit form a slider-crank mechanism. When the shielding product stand is deployed, the first push rod and the second push rod are both tilted, with the inner ends higher than the outer ends.

[0019] In one embodiment, the length of the first push rod is smaller than the length of the second push rod.

[0020] In one embodiment, the central support rod comprises a plurality of branch rods that can be relatively telescopic or split. In one embodiment, the central support rod further comprises a ground spike arranged on the lowest branch rod.

[0021] In one embodiment, a spring is provided between the upper end of the central support rod and the first slider. The spring between the upper end of the central support rod and the first slider provides assistance when the shielding product holder is opened, making it easier to open the product.

[0022] In one embodiment, each of the top frame units further includes a diagonal support rod, the upper end of which is rotatably connected to the first top rod or the second top rod; the shielding product bracket also includes a second slider, which is movably arranged on the central support rod in the up and down directions, and the second slider is located below the first slider, and the lower end of each of the diagonal support rods is rotatably connected to the second slider.

[0023] In one embodiment, when the shielding product holder is in the expanded state, the first slider and the second slider are locked to each other; when the shielding product holder is in the folded state, the first slider and the second slider are disengaged from each other.

[0024] In one embodiment, one of the first slider and the second slider has a locking piece that can be elastically deformed and the other component is provided with a locking groove. When the shielding product bracket is in the unfolded state, the locking piece is inserted into the locking groove, and the locking piece has a lug that can abut and cooperate with the groove wall of the locking groove.

[0025] In one embodiment, each of the top rod units includes two second top rods arranged side by side. In one embodiment, the diagonal brace passes between the two second top rods. Providing two second top rods per top frame unit improves the overall strength of the top frame unit while also maintaining the size of the folded shielding product stand. In another embodiment, each of the top rod units includes two first top rods arranged side by side. Providing two first top rods improves the overall strength of the top frame unit.

[0026] Another aspect of the present disclosure provides a support for covering products, which has an expanded state and a collapsed state, and the support comprises:

[0027] a central support rod having an upper end and a lower end for supporting or fixing on the ground, wherein the upper end of the central support rod is connected to or has a cap;

[0028] A plurality of top frame units, which are supported by the central support rod and can be relatively expanded and folded, each of the top frame units respectively comprising a first top rod and a second top rod, and the inner end of each first top rod is rotatably connected to the top cap;

[0029] a first slider slidably disposed on the central support rod in an up-down direction, the first slider being located below the top cap, the inner end of each of the second push rods being rotatably connected to the first slider, and the first push rod being relatively rotatably connected to the second push rod, so that the first push rod, the second push rod, the central support rod, and the first slider constitute a slider-crank mechanism; and

[0030] a spring, which contacts or is connected to the first slider;

[0031] When the bracket is in the folded state, the spring is deformed so that the first sliding block tends to slide downward.

[0032] In one embodiment, the spring is disposed between the top cap and the first slider.

[0033] In one embodiment, the spring is sleeved on the central support rod, and the spring is top-mounted between the top cap and the first sliding block.

[0034] In one embodiment, the bracket also includes a second slider, which can be slidably arranged on the central support rod in the up and down directions, and the second slider is located below the first slider; each of the top frame units also includes a diagonal support rod, the lower end of the diagonal support rod is rotatably connected to the second slider, and the upper end of the diagonal support rod is rotatably connected to the first top rod or the second top rod.

[0035] In one embodiment, the first slider and / or the second slider is a sliding sleeve slidably mounted on the central support rod.

[0036] In one embodiment, the length of the diagonal brace is shorter than that of the first and second push rods. In one embodiment, the upper end of the diagonal brace is rotatably connected to the first push rod, and the distance between the connection between the diagonal brace and the first push rod and the outer end of the first push rod is less than half the length of the first push rod. In one embodiment, the sum of this distance and the length of the diagonal brace is less than or equal to the length of the second push rod.

[0037] When the bracket is folded, the spring is in a deformed state (for example, compressed), so that when it is unfolded, the spring returns to its original position to drive the first slider to slide downward, providing an assist force for the first slider to slide downward, and at the same time, the first top rod and the second top rod overcome their own gravity and flip upward relative to the central support rod, providing an assist force for the beach umbrella or the bracket to be opened, making the opening operation more convenient and labor-saving; thereby solving the following problem: when unfolding an existing beach umbrella, it is necessary to manually unfold each top frame unit, overcome the gravity of the top frame unit itself and flip the top frame unit upward, especially for a beach umbrella with a large gravity or carrying a heavy load, it takes a lot of effort to unfold the beach umbrella, which is more labor-intensive and inconvenient to operate.

[0038] Another aspect of the present disclosure provides a bracket for covering products, the bracket having an expanded state and a collapsed state, the bracket comprising:

[0039] Center support rod;

[0040] A plurality of top frame units, which are supported by the central support rod and can be relatively expanded and folded;

[0041] a first slider, which is used to be rotatably connected to the first rod of the top frame unit, and the first slider is slidably arranged on the central support rod in an up-down direction;

[0042] a second slider, which is used to be rotatably connected to the second rod of the top frame unit, and the second slider is slidably provided on the central support rod in an up-down direction; and

[0043] a locking mechanism, which is provided on the first slider and / or the second slider to lock the first slider and the second slider;

[0044] When the bracket is in the folded state, the first slider and the second slider are away from each other, and the locking mechanism is in the unlocked state; when the bracket is in the unfolded state, the first slider and the second slider are close to each other, and the locking mechanism locks the first slider and the second slider to each other.

[0045] In one embodiment, the locking mechanism includes a locking plate and a locking slot that cooperate with each other. The locking plate and the first slider are fixedly connected or integrally arranged. The locking slot is opened on the second slider. When the bracket is in the unfolded state, the locking plate is inserted into the locking slot. When the bracket is in the folded state, the locking plate is disengaged from the locking slot.

[0046] In one embodiment, the locking piece is elastic and can be elastically deformed, and a lug is provided on the locking piece to prevent the locking piece from being separated from the locking slot.

[0047] In one embodiment, the lug extends outward from the outer surface of the locking plate, and the lug has an upward-facing limiting surface. When the bracket is in the expanded state, the limiting surface is opposite to or abuts against the lower surface of the second slider.

[0048] In one embodiment, the lug has a guiding slope that gradually slopes outward from bottom to top.

[0049] In one embodiment, the lug is configured to be compressed and deformed inwardly when passing through the locking groove and automatically reset after moving below the locking groove.

[0050] In one embodiment, there are two locking plates, which are located on opposite sides of the central support rod, and the number and positions of the locking slots correspond one-to-one to the locking plates.

[0051] In one embodiment, the second sliding block is located below the first sliding block, and the locking piece extends downward from the first sliding block.

[0052] This bracket for shielding products has a locking mechanism disposed between a first slider and a second slider. When the first slider and the second slider are brought closer together, the locking mechanism locks, locking the top frame unit, and allowing shielding products such as beach umbrellas to be stably deployed. When the locking mechanism is unlocked, the first slider and the second slider can move away from each other, and the top frame unit then flips over and moves closer to the central support rod. This eliminates the need for locking members or lock slots on the central support rod, avoiding additional processing on the central support rod and adversely affecting the strength of the central support rod. This solves the following problem: Currently, most locking mechanisms are disposed between the central support rod and the sliding member thereon, requiring the central support rod to be punched or equipped with locking members. Since the entire load of the beach umbrella is essentially borne by the central support rod, such operations may affect the strength of the central support rod or at least increase the difficulty of processing (especially when the central support rod is a metal rod).

[0053] A fourth aspect of the present disclosure provides a bracket for shielding products, comprising:

[0054] a central support rod having an upper end and a lower end for supporting or fixing on the ground, the lower end being located below the upper end;

[0055] a plurality of top frame units, which are supported by the central support rod and can be relatively expanded and folded, each of the top frame units respectively including a first top rod and a second top rod, the inner end of each first top rod being rotatably connected to the upper end of the central support rod, and the inner end of each second top rod being movably connected to the central support rod via a connecting block, wherein the connecting block is lower than the upper end of the central support rod;

[0056] At least one of the top frame units has two second top rods arranged in parallel, and the outer end of the first top rod and the outer end of at least one of the two second top rods are connected to each other in a relatively rotatable manner.

[0057] In one embodiment, when the bracket is in the expanded state, the two second top rods are arranged in a parallel manner and have a gap, and the first top rod is opposite to the gap between the two second top rods; each of the top frame units also includes a diagonal support rod, the upper end of the diagonal support rod is rotatably connected to the first top rod, and the lower end of the diagonal support rod is rotatably connected to a slider, and the slider is slidably arranged on the central support rod in the up and down directions, and the slider is located below the connecting block, and the diagonal support rod passes through the gap between the two second top rods.

[0058] In one embodiment, when the bracket is in the folded state, the diagonal support rod is accommodated between the two second push rods.

[0059] This support for shade products features a top frame unit with a first and second top rod that can rotate relative to each other. The use of two parallel first top rods effectively enhances the strength of the top frame unit and reduces the risk of bending, deformation, or breakage of the first top rods. This solves the problem that the top frame unit, consisting of hinged, slender rods, which primarily support the umbrella fabric, must bear a heavy load, placing a high risk of bending, deformation, or even breakage on the slender rods.

[0060] A fifth aspect of the present disclosure provides a bracket for shielding products, comprising:

[0061] a central support rod having an upper end and a lower end for supporting or fixing on the ground, the lower end being located below the upper end;

[0062] a plurality of top frame units, which are supported by the central support rod and can be relatively expanded and folded, each of the top frame units respectively including a first top rod and a second top rod, the inner end of each first top rod being rotatably connected to the upper end of the central support rod, and the inner end of each second top rod being movably connected to the central support rod via a connecting block, wherein the connecting block is lower than the upper end of the central support rod;

[0063] At least one of the top frame units has two second top rods arranged in parallel, and the outer end of the first top rod and the outer end of at least one of the two second top rods are connected to each other in a relatively rotatable manner.

[0064] In one embodiment, when the bracket is in the expanded state, the two second top rods are arranged in a parallel manner and have a gap, and the first top rod is opposite to the gap between the two second top rods; each of the top frame units also includes a diagonal support rod, the upper end of the diagonal support rod is rotatably connected to the first top rod, and the lower end of the diagonal support rod is rotatably connected to a slider, and the slider is slidably arranged on the central support rod in the up and down directions, and the slider is located below the connecting block, and the diagonal support rod passes through the gap between the two second top rods.

[0065] In one embodiment, when the bracket is in the folded state, the diagonal support rod is accommodated between the two second push rods.

[0066] This support for shade products features a top frame unit with a first and second top rod that can rotate relative to each other. The use of two parallel second top rods effectively enhances the strength of the top frame unit and reduces the risk of bending, deformation, or breakage of the second top rods. This solves the problem that the top frame unit, consisting of hinged, slender rods, which primarily support the umbrella fabric, must bear a heavy load, placing a high risk of bending, deformation, or even breakage on the slender rods.

[0067] A sixth aspect of the present disclosure provides a bracket for shielding products, comprising:

[0068] Center support rod;

[0069] a top frame capable of relative expansion and contraction, the top frame comprising a plurality of extension rods capable of rotating relative to the central support rod; and

[0070] A connecting piece is provided on the outer end of at least one of the extension rods, and the connecting piece includes

[0071] a connecting portion fixedly connected to the outer end of the extension rod; and

[0072] The wing is used to connect with the umbrella cloth. The wing is fixedly connected to the connecting part or is integrally arranged. The wing extends from the top of the connecting part away from the connecting part and is in the shape of a sheet.

[0073] In one embodiment, the connecting portion includes a sleeve, and the sleeve is sleeved on the outer end portion of the extension rod.

[0074] In one embodiment, the sleeve and the extension rod are detachably connected by a fastener.

[0075] In one embodiment, the wing is provided with a hanging hole for the connecting piece on the umbrella cloth to be inserted into, and the hanging hole has a slot portion, and the slot portion has an opening for the connecting piece to slide into, and the opening faces the outside or bottom side of the bracket.

[0076] In one embodiment, the hanging hole further has a guide groove portion, the clamping groove portion is connected to the guide groove portion through the opening, the aperture or width of the guide groove portion is larger than the aperture or width of the clamping groove portion, and the hanging hole is formed by a closed hole wall.

[0077] In one embodiment, the opening is provided at an outer edge of the connecting piece, and the slot portion extends inward from the outer edge of the connecting piece.

[0078] In one embodiment, each of the connecting pieces has two wings, and the two wings extend horizontally from the connecting portion to different sides respectively; a sewing portion for sewing the wings to the umbrella cloth is provided.

[0079] This bracket for a shade product connects a fabric cover (such as a beach umbrella's fabric) to the bracket via a connecting piece. The connecting portion is removably connected to an extension rod (e.g., by screws). The thin, sheet-like wings are connected to the fabric (e.g., sewn together). The fabric and wings have a large connection area, high connection strength, and reliable connection. This solves the following problems with conventional solutions: the fabric cover has poor connection strength, especially during the unfolding and folding of the beach umbrella's ribs, where the connection between the ribs and the fabric is subjected to high stress, which can cause the stitching to break or loosen, or even tear the fabric; and the fabric and ribs are difficult to connect and disassemble.

[0080] The shelter product is specifically a beach umbrella, comprising an umbrella frame and an umbrella fabric connected to the frame. The umbrella frame is the aforementioned support, and the umbrella fabric is connected to the frame via one or more connecting pieces. In one embodiment, the umbrella fabric comprises a top fabric overlying the top frame and a skirt fabric depending downward from the top frame. The top fabric is sewn onto the wings, and the skirt fabric is provided with a connector comprising a connecting pin having a recessed portion on its side surface. When connecting the skirt fabric, the connecting pin is inserted into a hooking hole in the wing, and the recessed portion engages the wing.

[0081] The seventh aspect of the present disclosure provides a joint for covering products, which is used to rotatably connect a first rod and a second rod, the joint comprising a main body and a metal reinforcement plate connected to the main body, the main body being connected to the first rod via a first pivot, and the main body being connected to the second rod via a second pivot; the metal reinforcement plate has at least two ends, one of which is provided with a first pivot hole for the first pivot to pass through, and the other end is provided with a second pivot hole for the second pivot to pass through.

[0082] In one embodiment, the main body and the third rod are connected by a fastener, and the metal reinforcement plate has a third end portion. A connection hole for the fastener to pass through is formed on the third end portion.

[0083] In one embodiment, centers of the first pivot hole, the second pivot hole, and the connecting hole are not on the same straight line.

[0084] In one embodiment, the metal reinforcement sheet is L-shaped as a whole.

[0085] In one embodiment, after the shielding product is unfolded, the center line of the first rod and the center line of the third rod coincide with or are parallel to each other, the first pivot hole is located above the center line of the first rod, and the second pivot hole is located below the center line of the first rod.

[0086] In one embodiment, the body has a pipe plug portion inserted into an end portion of the third rod, and the pipe plug portion and the third rod are connected by a fastener.

[0087] In one embodiment, the body has a receiving groove, and after the shielding product is unfolded, one end of the first rod is received in the receiving groove; the upper portion of the receiving groove is open to allow the first rod to flip upward.

[0088] Optionally, a joint for covering products is provided, which is used to rotatably connect at least two rods, and is characterized in that the joint includes a main body and a metal reinforcement plate connected to the main body, wherein one rod and the main body are connected by a fastener, and the other rod and the main body are connected by a pivot; the metal reinforcement plate has at least two ends, one of which is provided with a connecting hole for the fastener to pass through, and the other end is provided with a pivot hole for the pivot to pass through.

[0089] This joint is used to rotatably connect multiple rods in outdoor shelter products. A metal reinforcement sheet extends from the connection between the main body and one rod to the connection between the main body and another rod, enhancing the strength of the rotational connections between the multiple rods. This solves the problem that existing beach umbrellas and other shelter products use hinged, slender rods on the top frame. When the beach umbrella falls over or is subjected to external impact during storage and transportation, the hinges on the slender rods are often the stress points, and their low strength adversely affects the umbrella's service life.

[0090] The shielding product is specifically a beach umbrella. The bracket includes a top frame unit that can be relatively expanded and folded to support the cloth cover of the beach umbrella. Each top frame unit is rotatably connected to a first rod. Each of the top frame units includes a second rod and a third rod. The outer end of the first rod is connected to the body via a first pivot, the inner end of the second rod is connected to the body via a second pivot, and the outer end of the third rod is connected to the body via a fastener.

[0091] The present disclosure also provides a beach umbrella, comprising an umbrella frame and a cloth cover, wherein the umbrella frame adopts the above-mentioned bracket or includes the above-mentioned joint.

[0092] The present disclosure has the following advantages:

[0093] The shielding product bracket disclosed in the present invention has an inner end portion of an extension rod pivotally connected to a top frame unit. When a shielding product such as a beach umbrella falls over, the extension rod flips upward to cushion the impact force, and the top frame unit maintains an expanded state. The first top rod and the second top rod will not flip relative to each other, thereby preventing the extension rod from being deformed or broken by a large instantaneous impact force. In addition, the rods of the top frame unit will not flip relative to each other, thereby reducing the risk of rod deformation or breakage and improving the strength of the bracket. At the same time, the bracket can be expanded and folded, and the folded volume is smaller. BRIEF DESCRIPTION OF THE DRAWINGS

[0094] In order to more clearly illustrate the technical solution of the present disclosure, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0095] FIG1 is a perspective view of a beach umbrella according to an embodiment of the present disclosure.

[0096] FIG. 2 is a perspective view of another beach umbrella according to an embodiment of the present disclosure.

[0097] 3 and 4 are three-dimensional views of a shielding product bracket according to an embodiment of the present disclosure at two different viewing angles, respectively.

[0098] FIG. 5 is a front view of the shielding product support shown in FIG. 3 and FIG. 4 .

[0099] FIG. 6 is a top view of the shielding product holder shown in FIG. 3 and FIG. 4 .

[0100] FIG7 is a schematic diagram of another shielding product support according to an embodiment of the present disclosure at a certain viewing angle.

[0101] FIG8 is a vertical cross-sectional view of the shielding product support shown in FIG7 .

[0102] FIG9 is a partial enlarged view of point A in FIG8 .

[0103] FIG10 is a schematic diagram of the shielding product support shown in FIG7 from another perspective.

[0104] FIG. 11 is a vertical cross-sectional view of the shielding product support shown in FIG. 10 .

[0105] FIG12 is a partial enlarged view of point B in FIG11 .

[0106] FIG13 is a schematic diagram of the shielding product stand shown in FIG7 during the folding process, wherein the first slider and the second slider are disengaged from each other.

[0107] FIG. 14 is a schematic diagram of the shielding product support shown in FIG. 13 being further folded.

[0108] FIG. 15 is a schematic diagram of the shielding product support shown in FIG. 13 in a folded state.

[0109] FIG. 16 is a front view of one of the top frame units in the unfolded state.

[0110] 17 and 18 are respectively a front view and a stereoscopic view of the top frame unit shown in FIG16 during the folding process.

[0111] FIG19 is a partial enlarged view of point C in FIG18 .

[0112] FIG20 is a front view of the top frame unit shown in FIG16 in a folded state.

[0113] FIG21 and FIG22 are structural diagrams of the first slider at two different viewing angles, respectively.

[0114] FIG23 and FIG24 are structural diagrams of the second slider at two different viewing angles, respectively.

[0115] FIG25 is a structural diagram of the connecting piece.

[0116] FIG26 is a structural diagram of a joint according to another embodiment of the present disclosure.

[0117] Among them, 100-bracket; 200-cloth cover; 201-sandbag; 1-center support rod; 11-bracing rod; 12-ground nail; 2-top frame unit; 21-first top rod; 22-second top rod; 23-extension rod; 24-diagonal support rod; 25-joint; 251-body; 251a-pipe plug; 252-metal reinforcement plate; 253-impact buffer; 254-receiving groove; a1-first pivot; a2-second pivot; 26-connecting plate; 261-sleeve; 262-wing; 263-hanging hole; 263a-card slot; 263b-guide groove; 3-top cap; 4-first slider; 41-locking plate; 411-lug; 5-second slider; 51-locking groove; 511-slot wall; 6-spring. DETAILED DESCRIPTION

[0118] The preferred embodiments of the present disclosure are described in detail below with reference to the accompanying drawings to make the advantages and features of the present disclosure more easily understood by those skilled in the art. It should be noted that the descriptions of these embodiments are intended to facilitate understanding of the present disclosure and do not constitute a limitation of the present disclosure. In addition, the technical features involved in the various embodiments of the present disclosure described below may be combined with each other as long as they do not conflict with each other.

[0119] It should be noted that the directional words such as "upper", "lower", "inner" and "outer" involved in this article are described based on the position of the components when the shielding product bracket is in the unfolded state; "upper" and "lower" can be referred to the upper and lower sides of the paper in Figure 5; "inner" and "outer" are defined with reference to the center support rod, and "inner" specifically refers to the side or part of the component closer to the center support rod, and "outer" specifically refers to the side or part of the component farther from the center support rod.

[0120] This embodiment provides a stand for a shelter product, which can provide a sheltered space outdoors for sun protection or rain protection, for example. This stand is foldable, having both an unfolded and folded state, and is suitable for use in foldable shelter products. Typically, the shelter product is a beach umbrella. This embodiment describes the stand in detail using a beach umbrella as an example. This embodiment provides a beach umbrella utilizing this stand, which can be used on beaches and other locations.

[0121] As shown in Figures 1 and 2, a beach umbrella includes a frame and a fabric cover 200. The frame is specifically a support 100 for the shade product, described in detail below. The fabric cover 200 is secured to the shade product support 100. When the shade product support 100 is deployed, the fabric cover 200 is extended to provide a larger shade area. Several sandbags 201 are also attached to or connected to the fabric cover 200 to further stabilize the fabric cover 200.

[0122] As shown in Figures 3 to 6, the shielding product stand 100 includes a central support rod 1 and a plurality of top frame units 2. The central support rod 1 is vertically arranged and has an upper end and a lower end for supporting or fixing on the ground. When in use, the central support rod 1 stands upright on the ground, and the lower end is fixed to the ground. Furthermore, the central support rod 1 can also be telescopic or include a plurality of branch rods 11 that can be detached from each other, so that it can have a smaller volume before assembly or after folding, reducing space occupancy and facilitating transportation or storage. Specifically in this embodiment, the central support rod 1 includes three branch rods 11 that can be detached from each other. The three branch rods 11 are connected in sequence by fasteners such as screws. Before assembly, the three branch rods 11 are detached from each other to save packaging space. The lowest branch rod 11 can also be connected to a ground nail 12 for easy insertion into the ground. The plurality of top frame units 2 are supported by the central support rod 1 and can be relatively expanded and folded.

[0123] A top cap 3 is fixedly connected to the upper end of the central support rod 1; or the top cap 3 is provided, that is, the top cap 3 and the central support rod 1 are integral. The shielding product holder 100 also includes a first slider 4 and a second slider 5. The first slider 4 is movably arranged on the central support rod 1 in the up-down direction, and the first slider 4 is located below the top cap 3. The second slider 5 is movably arranged on the central support rod 1 in the up-down direction, and the second slider 5 is located below the first slider 4. Specifically in this embodiment, the first slider 4 and the second slider 5 are respectively sliding sleeves mounted on the central support rod 1, and both are preferably slidably mounted on the topmost branch rod 11 in an up-down manner. The top cap 3, the first slider 4, and the second slider 5 are respectively sliding sleeves mounted on the central support rod 1. Furthermore, the top cap 3, the first slider 4, and the second slider 5 are all mounted on the topmost branch rod.

[0124] In a preferred embodiment, as shown in Figures 7 to 12 , the shade product stand 100 further includes a spring 6, specifically a compression spring disposed between the top cap 3 and the first slider 4. The spring 6 is specifically sleeved onto the central support rod 1, with its upper end abutting the top cap 3 and its lower end abutting the first slider 4. When the shade product stand 100 is folded, the spring 6 deforms and tends to slide the first slider 4 downward, away from the top cap 3. This assists in unfolding the shade product stand 100, making it easier for consumers to open the beach umbrella. When the shade product stand 100 is folded, the top frame units 2 tilt downward and converge relative to the central support rod 1 under their own weight and / or the downward force of the consumer. The first slider 4 slides upward relative to the top cap 3, compressing the spring 6 between them. The spring 6 is sleeved onto the central support rod 1, with its upper end abutting the top cap 3 and its lower end abutting the first slider 4.

[0125] One end of each top frame unit 2 is connected to the central support rod 1, and the other end extends radially outward from the central support rod 1. A plurality of top frame units 2 are arranged at equal intervals along the circumferential direction of the central support rod 1, so that the plurality of top frame units 2 are radial. Each top frame unit 2 can be unfolded and folded, so that the entire shielding product stand 100 can be folded, as shown in Figures 13 to 15. In this embodiment, four top frame units 2 are specifically included. The structures of the various top frame units 2 are exactly the same. From a top-down perspective, the four top frame units 2 are in the shape of a cross centered on the central support rod 1. The following is a detailed description taking one of the top frame units 2 as an example.

[0126] As shown in the above-mentioned figures and Figures 14 to 18 , each top frame unit 2 comprises a first top rod 21, a second top rod 22, a diagonal brace 24, and a joint 25. Each top frame unit 2 is also connected to an extension rod 23. The inner end of the extension rod 23 is pivotally connected to the top frame unit 2, allowing the extension rod 23 to tilt upward relative to the top frame unit 2 if the shaded product stand 100 falls over. The inner end of the first top rod 21 is rotatably connected to the top cap 3; the joint 25 is disposed at the outer end of the first top rod 21, and the two are fixedly connected or integrally formed. The inner end of the second top rod 22 is rotatably connected to the first slider 4, and the outer end of the second top 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 extends outward and may be provided with a connecting piece 26. This connecting piece 26 has a connection hole or connection slot to facilitate connection with the cloth cover 200, etc., providing a larger shaded area. The upper end of the diagonal brace 24 is rotatably connected to the first push rod 21 or the second push rod 22, and the lower end of the diagonal brace 24 is rotatably connected to the second slider 5. Specifically in this embodiment, the first push rod 21 of each top frame unit 2 is pivotally connected to the top cap 3, the second push 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 Figure 12, the extension rod 23 is connected to the joint 25 via the first pivot a1, and the second push rod 22 is connected to the joint 25 via the second pivot a2. The first push rod 21, the second push rod 22, the central support rod 1 and the first slider 4 thereon of each top frame unit 2 constitute a crank slider mechanism; the first push rod 21, the diagonal brace 24, the central support rod 1 and the second slider 5 thereon of each top frame unit 2 constitute a crank slider mechanism.

[0127] Furthermore, in this embodiment, each top frame unit 2 includes two second top rods 22, and the two second top rods 22 are connected in parallel between the same joint 25 and the first slider 4 to enhance the strength of the top frame unit 2. There is a gap between the two second top rods 22, and the diagonal support rod 24 passes between the two second top rods 22 and is respectively connected to the first top rod 21 and the second slider 5. The length of the diagonal support rod 24 is smaller than that of the first top rod 21 and the second top rod 22, and the distance between the connection between the diagonal support rod 24 and the first top rod 21 and the outer end of the first top rod 21 should be less than half the length of the first top rod 21, and the sum of this distance and the length of the diagonal support rod 24 is less than or equal to the length of the second top rod 22. In addition, the difference in length between the first top rod 21 and the second top rod 22 is less than one-tenth of the length of the second top rod 22; preferably, the length of the first top rod 21 is less than the length of the second top rod 22. When the shielding product stand 100 is folded, the upper end of the first top bar 21 and the upper end of the second top bar 22 are close together (they are essentially level, or the height difference is much less than 1 / 10 of the length of the first top bar 21), and the lower end of the first top bar 21 is higher than the upper end of the second top bar 22. When the shielding product stand 100 is folded, the diagonal brace 24 of each top frame unit 2 is accommodated between the two second top bars 22 to fully utilize the internal space and prevent the overall volume from being too large after folding.

[0128] In some other embodiments, each top frame unit 2 includes two first top rods 21 and one second top rod 22. The two first top 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 brace 24 is rotatably connected to at least one of the first top rods 21.

[0129] Furthermore, in addition to rotatably connecting the extension rod 23 to the first and second top rods 21 and 22, the joint 25 also limits the rotation of the extension rod 23. Specifically, the joint 25 is configured to only allow the extension rod 23 to flip upward relative to the top frame unit 2 when the shielding product stand falls over. As shown in Figures 9 and 19, the joint 25 has a groove 254. When the shielding product stand 100 is in the unfolded state, the outer end of the extension rod 23 is accommodated in the groove 254. The upper portion of the groove 254 is open to allow the extension rod 23 to rotate out of the groove 254 and move closer to the first top rod 21. When the shielding product is in the unfolded state, the centerline of the extension rod 23 and the centerline of the first top rod 21 coincide with or are parallel to each other, and the groove 254 also extends along the centerline of the extension rod 23. The upper portion and outer end of the receiving groove 254 are open, while the lower portion of the receiving groove 254 is closed. When the shielding product holder 100 is in the deployed state, the extension rod 23 rests against the lower portion of the receiving groove 254. The lower portion of the receiving groove 254 acts as a rotation limiter for the extension rod 23, preventing the extension rod 23 from tilting downward, allowing it to tilt upward and align with the first push rod 21. When the shielding product holder 100 is in the deployed state, the first pivot a1 is located above the centerline of the extension rod 23, and the second pivot a2 is located below the centerline of the extension rod 23.

[0130] The joint 25 has an impact buffer portion 253 that touches the ground when the shielding product stand 100 falls over. When the shielding product stand 100 falls over or is placed on the ground at an angle, the impact buffer portion 253 of the joint 25 touches the ground to support the entire stand. At this time, the impact buffer portion 253 protrudes outward 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 push rod 22, effectively preventing the end of the rod (especially the outer end of the second push rod 22) from directly touching the ground, thereby reducing the risk of the rod bending, deformation, or breakage.

[0131] The joint 25 includes a main body 251 and a metal reinforcement sheet 252 fixedly connected to the main body 251. The main body 251 is a plastic part that can be manufactured using an integrated injection molding process. The metal reinforcement sheet 252 can be made of an alloy sheet with good strength, such as a steel sheet. Furthermore, the metal reinforcement sheet 252 extends from the first pivot a1 to the second pivot a2, and the two ends of the metal reinforcement sheet 252 are respectively provided with pivot holes for the first pivot a1 and the second pivot a2 to pass through. The first pivot a1 is provided in the upper end of the main body 251 and the metal reinforcement sheet 252, and the second pivot a2 is provided in the lower end of the main body 251 and the metal reinforcement sheet 252. The metal reinforcement sheet 252 can be connected to the main body 251 via the first pivot a1 and the second pivot a2, effectively strengthening the connection strength between the first push rod 21, the second push rod 22 and the extension rod 23. In this embodiment, each lift unit 2 includes two second lift rods 22 connected in parallel to the joint 25. Consequently, there are two metal reinforcement plates 252, one each disposed on opposite sides of the body 251. The body 251 of the joint 25 further includes a pipe plug 251a, which is inserted into the outer end of the first lift rod 21 and secured to the first lift rod 21 via fasteners such as screws or rivets.

[0132] In other embodiments, as shown in Figure 26 , the metal reinforcement plate 252 has three ends, forming an overall L-shape. Two of the ends of the metal reinforcement plate 252 have pivot holes, through which the first pivot a1 and the second pivot a2 pass, respectively. The third end has a connecting hole, through which a fastener a3, such as a screw or rivet, passes to securely connect the joint 25 (specifically, the pipe plug 251a and the third end of the metal reinforcement plate 252) to the outer end of the first push rod 21. This effectively strengthens the connection between the first push rod 21, the second push rod 22, and the extension rod 23.

[0133] As shown in Figures 3, 5, 7, 8, and 16, a connecting piece 26 is provided on the outer end of each extension rod 23 to facilitate connection to the fabric cover 200 of the shade product. In some embodiments, the fabric cover 200 comprises a top cloth that covers the top frame, its outer edge connected to the connecting pieces 26 on the multiple top frame units 2. In other embodiments, the fabric cover 200 also includes a skirt cloth that hangs downward from the outer edge of the top frame, with the upper edge of each skirt cloth connected to the connecting pieces 26 of at least two adjacent top frame units 2. The connecting pieces 26 connect the top cloth and skirt cloth to the umbrella stand 100. Specifically, as shown in Figure 25, the connecting piece 26 includes a connecting portion, specifically a sleeve 261, which removably fits over the outer end of the extension rod 23. The sleeve 261 is further secured to the extension rod 23 by fasteners (e.g., screws). The connecting piece 26 also includes one or more fins 262, which are fixedly connected to or integrally formed with the sleeve 261. The flaps 262 are generally thin and parallel to the fabric cover. Each connecting piece 26 has two flaps 262, which extend horizontally from the sleeve 261 to different sides. That is, the two flaps 262 are located on opposite sides of the sleeve 261. The top fabric and the flaps 262 are sewn together, and the flaps 262 may be provided with one or more seams of reduced thickness.

[0134] The wing 262 is provided with a through-hole 263 for conveniently connecting the cloth. Specifically in this embodiment, the connecting hole 263 passes through the wing 262 in the up-down direction. The hanging hole 263 has a slot portion 263a, and the slot portion 263a has an opening, which faces the outside or bottom of the umbrella frame. The hanging hole 263 also has a guide groove portion 263b, which is connected to the slot portion 263a through the above-mentioned opening; the aperture or width of the guide groove portion 263b is larger than the aperture or width of the slot portion 263a, and the hanging hole 263 is gourd-shaped as a whole, formed by a closed hole wall; further, the guide groove portion 263b is a circular hole, and the slot portion 263a is a U-shaped hole. In some other embodiments, the connecting hole 263 is composed only of a slot portion 263a, and its hole wall is not closed but has a gap (i.e., an opening). When viewed from above, the connecting hole 263 is U-shaped as a whole; the above-mentioned opening is opened on the outer edge of the connecting piece 26, that is, the slot portion 263a extends inward from the outer edge of the connecting piece 26, thereby facilitating the connecting piece on the cloth to slide in.

[0135] The cloth of the outdoor shelter product described above is connected to a number of connecting parts, which include a connecting pin, and a recessed portion (such as an annular groove) is provided on the side wall of the connecting pin. When installing the cloth, the connecting pin is inserted into the guide groove portion 263b and slides into the card slot portion 263a from the opening or directly slides into the card slot portion 263a from the opening, and the recessed portion is stuck on the wing 262 (specifically, the hole wall of the hanging hole 263) to prevent the connecting pin from slipping out of the card slot portion 263a. This embodiment is different from the conventional connection method of the cloth cover and the bracket, and has better connection strength. Not only is the connection of the cloth cover convenient, but the connection is also reliable, reducing the risk of tearing or damage at the connection of the cloth cover during the folding or unfolding of the rod. After the umbrella stand is unfolded, under the tension of the umbrella cloth itself, the connecting pin remains in a state of mutual engagement with the connecting piece 26 and will not slide out of the opening.

[0136] The shielding product holder 100 has a locking mechanism. When the shielding product holder 100 is in the expanded state, the locking mechanism is in the locked state, and the first slider 4 and the second slider 5 are locked to each other. The locking mechanism locks the first slider 4 and the second slider 5 to each other. When the shielding product holder 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 disengaged from each other. The locking mechanism includes a locking plate and a locking groove that cooperate with each other. As shown in Figures 18 to 22, one of the first slider 4 and the second slider 5 has a locking plate 41 that can be elastically deformed, and the other has a locking groove 51. The locking mechanism includes the locking plate 41 and the locking groove 51. When the shielding product holder 100 is in the expanded state, the locking plate 41 is inserted into the locking groove 51, and the locking plate 41 has a lug 411 that abuts and cooperates with the groove wall of the locking groove 51. Specifically, in this embodiment, as shown in FIG12 , the first slider 4 has a pair of downwardly extending locking tabs 41 , and the lower portions of the locking tabs 41 further have outwardly protruding lugs 411 . The first slider 4 has a vertically extending locking slot 51 , into which the locking tab 41 can be inserted, and the lugs 411 can be retained on the downwardly facing slot walls 511 of the second slider 5 . After the locking tab 41 is inserted into the locking slot 51 and locked in place, the upper surfaces of the lugs 411 can abut against the slot walls 511 , thereby preventing the locking tab 41 from sliding out. To unlock, the lugs 411 are pressed inward, avoiding the restriction of the slot walls 511 , and the locking tab 41 can slide out of the locking slot 51 . Furthermore, the outer surfaces of the lugs 411 have guiding slopes to facilitate insertion into the locking slot 51 . The lugs 411 are configured to deform inward under pressure as they pass through the locking slot 51 and automatically return to their original position after moving below the locking slot 51. The lugs 411 then spring outward, with the stop surfaces facing or abutting against the slot walls 511, preventing the locking tab 41 from moving upward out of the locking slot 51. To unlock, the two lugs 411 are pressed inward, followed by a downward pull on the second slider 5. Providing a locking mechanism between the first slider 4 and the second slider 5 eliminates the need for additional locking elements or lock holes on the center support rod 1, avoiding additional processing and adversely affecting the strength of the center support rod 1.

[0137] As shown in the above figures, when the shielding product bracket 100 is in the unfolded state, the ground nail 12 at the bottom of the central support rod 1 can be fixed in the ground and further stabilized by the sandbag 201 of the cloth cover 200; multiple top frame units 2 are unfolded outward to open the cloth cover 200; the first slider 4 is located at a distance below the top cap 3, the second slider 5 and the first slider 4 are close to and locked, and the spring 6 can be in the initial state; the inner end of the extension rod 23 is located in the groove 254 of the joint 25, and the center lines of the extension rod 23 and the first top rod 21 are preferably collinear. When viewed from above, the center lines of the two second top rods 22 are located on opposite sides of the center line of the first top rod 21. The first top rod 21 and the second top rod 22 are both tilted, and the inner ends are higher than the outer ends. The diagonal support rod 24 is also tilted, and the outer ends are higher than the inner ends.

[0138] When the shielding product stand 100 is in the collapsed state, each top frame unit 2 is brought into contact with the central support rod 1. Specifically, the joint 25 of each top frame unit 2 and the central support rod 1 (specifically, the lower end of the uppermost branch rod 11) are brought into contact with each other. That is, the outer end of the first top rod 21, the outer end of the second top rod 22, the diagonal support rod 24, and the extension rod 23 are all brought into contact with the central support rod 1. The first and second sliders 4 and 5 are disengaged and slide upward until they are in contact with the top cap 3, compressing the spring 6. The inner end of the second top rod 22 is brought into contact with the inner end of the first top rod 21.

[0139] When the shielding product stand 100 is folded, the lugs 411 on the two locking plates 41 are pressed inward, causing the second slider 5 to move downward and disengage from the first slider 4, driving the diagonal support rod 24 toward the central support rod 1, thereby causing the first and second push rods 21, 22 to move toward the central support rod 1, while simultaneously pushing the first slider 4 upward and toward the top cap 3. Finally, the extension rod 23 is flipped upward and toward the first push rod 21, completing the folding of the stand. When the shielding product is opened, the extension rod 23 is flipped downward to open, pushing the second slider 5 upward. Simultaneously, with the assistance of the restoring force of the spring 6, the first slider 4 slides downward until the locking plate 41 is inserted into the second slider 5. Each top frame unit 2 is fully unfolded, and the entire stand is locked in the unfolded state.

[0140] The shade product stand 100 of this embodiment can be used in outdoor shade products such as beach umbrellas. When the shade product falls, the extension rod 23 flips upward, cushioning the impact and increasing the stand's strength. This also prevents the top frame unit 2 from deforming or collapsing. This shade product stand 100 can be both expanded and collapsed, and its folded size is compact. The presence of two second top rods 22 in each top frame unit 2 enhances overall strength while maintaining the size of the shade product stand 100 when collapsed. Furthermore, a spring 6 between the top cap 3 and the first slider 4 provides assistance when the shade product stand 100 opens, making it easier to open. With the exception of the extension rod 23, the entire top frame unit 2 is linked to the first and second sliders 4 and 5, making opening and collapsing easier. The extension rod 23 is pivotally connected to the joint 25. When the product falls, the extension rod 23 flips upward, cushioning the impact and protecting the end of the extension rod 23 from direct impact, minimizing the risk of breakage or deformation.

[0141] As used in this specification and claims, the terms "comprises" and "include" merely indicate the inclusion of the steps and elements specifically identified, and these steps and elements do not constitute an exclusive list; a method or apparatus may also include other steps or elements. The term "and / or" as used herein includes any combination of one or more of the associated listed items.

[0142] 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 fixed or connected to the other feature or indirectly fixed or connected to the other feature. Furthermore, terms such as "upper," "lower," "left," and "right" used in this disclosure are intended solely to describe the relative positions of the components of this disclosure as shown in the accompanying drawings.

[0143] It will be further understood that the terms "first," "second," and the like are used to describe various types of information, but such information should not be limited to these terms. These terms are used solely to distinguish information of the same type from one another and do not indicate a particular order or level of importance. In fact, the terms "first," "second," and the like are fully interchangeable. For example, first information could be referred to as second information, and similarly, second information could be referred to as first information without departing from the scope of this disclosure.

[0144] The above embodiment is only for illustrating the technical concept and features of the present disclosure and is a preferred embodiment. Its purpose is to enable people familiar with this technology to understand the content of the present disclosure and implement it accordingly, and it cannot be used to limit the scope of protection of the present disclosure.

Claims

1. A support for shielding products, comprising: A central support rod having an upper end and a lower end for supporting or fixing on the ground, wherein the lower end is located below the upper end; A plurality of top frame units, which are supported by the central support rod and can be relatively unfolded and folded, each of the top frame units comprises a first top rod and a second top rod, and the inner end of each of the first top rods is rotatably connected to the upper end of the central support rod; A first slider is movably disposed on the central support rod in an up-down direction, the first slider deviates from the upper end of the central support rod, the inner end of each of the second push rods is rotatably connected to the first slider, and the first push rod is also rotatably connected to the second push rod, so that the first push rod, the second push rod, the central support rod and the first slider constitute a crank slider mechanism; and An extension rod, the inner end of which is pivotally connected to one of the top frame units to allow the extension rod to flip upward relative to the top frame unit when the bracket falls to the ground.

2. The support for shielding products according to claim 1, characterized in that: The bracket also includes a joint, which is arranged at the outer end of the first top rod, the outer end of the second top rod is rotatably connected to the joint, and the inner end of the extension rod is rotatably connected to the joint and is configured to only allow the extension rod to flip upward relative to the top frame unit when the bracket falls over.

3. The support for shielding products according to claim 2, characterized in that: The joint has a receiving groove, and when the bracket is in the unfolded state, the outer end of the extension rod is received in the receiving groove; the receiving groove has an open upper portion to allow the extension rod to flip upward.

4. The support for shielding products according to claim 2 or 3, characterized in that: When the bracket is in the unfolded state, the center line of the extension rod and the center line of the first top rod coincide with or are parallel to each other, and the extension rod is connected to the joint via a first pivot, and the first pivot is located above the center line of the extension rod.

5. The support for shielding products according to claim 4, characterized in that: The second push rod is connected to the joint via a second pivot, and the second pivot is located below the center line of the extension rod.

6. The support for shielding products according to claim 5, characterized in that: The joint comprises a body and a metal reinforcing sheet fixedly connected to the body, and the metal reinforcing sheet is respectively provided with pivot holes for the first pivot and the second pivot to pass through.

7. The support for shielding products according to claim 2, characterized in that: When the bracket is in the folded state, the joints of each top frame unit and the central support rod are close to each other, the first slider and the upper end of the central support rod are close to each other, and the inner end of the second top rod and the inner end of the first top rod are close to each other.

8. The support for shielding products according to claim 7, characterized in that: The length of the first top rod is smaller than the length of the second top rod; and / or the central supporting rod comprises a plurality of sub-rods that can be relatively telescopic or split.

9. A support for screening products according to any preceding claim, characterised in that A spring is arranged between the upper end portion of the central support rod and the first sliding block.

10. A support for screening products according to any preceding claim, characterised in that Each of the top frame units also includes a diagonal support rod, the upper end of which is rotatably connected to the first top rod or the second top rod; the bracket also includes a second slider, which is movably arranged on the central support rod along the up and down directions, the second slider is located below the first slider, and the lower end of each of the diagonal support rods is rotatably connected to the second slider; each of the top frame units is connected to one of the extension rods.

11. The support for shielding products according to claim 10, characterized in that: When the bracket is in the expanded state, the first slider and the second slider are locked with each other; when the bracket is in the folded state, the first slider and the second slider are separated from each other; one of the first slider and the second slider has a locking piece that can be elastically deformed and the other has a locking groove, and when the bracket is in the expanded state, the locking piece is inserted into the locking groove, and the locking piece has a lug that can abut and cooperate with the groove wall of the locking groove.

12. The support for shielding products according to claim 10 or 11, characterized in that: Each of the push rod units includes two second push rods arranged in parallel, and the diagonal support rod passes between the two second push rods; or each of the push rod units includes two first push rods arranged in parallel.

13. A support for covering products, which has an unfolded state and a folded state, the support comprising: A central support rod having an upper end and a lower end for supporting or fixing on the ground, wherein the upper end of the central support rod is connected to or has a cap; A plurality of top frame units, which are supported by the central support rod and can be relatively unfolded and folded, each of the top frame units comprises a first top rod and a second top rod, and the inner end of each of the first top rods is rotatably connected to the top cap; a first slider which is slidably disposed on the central support rod in an up-down direction, the first slider being located below the top cap, the inner end of each of the second push rods being rotatably connected to the first slider, and the first push rod being relatively rotatably connected to the second push rod, so that the first push rod, the second push rod, the central support rod and the first slider constitute a crank slider mechanism; and a spring, which is in contact with or connected to the first slider; When the bracket is in the folded state, the spring is deformed so that the first sliding block has a tendency to slide downward.

14. The bracket according to claim 13, characterized in that: The spring is arranged between the top cap and the first sliding block.

15. The bracket according to claim 14, characterized in that: The spring is sleeved on the central supporting rod, and the spring is top-mounted between the top cap and the first sliding block.

16. The bracket according to any one of claims 13 to 16, characterized in that: The bracket also includes a second slider, which can be slidably arranged on the central support rod in the up and down directions, and the second slider is located below the first slider; each of the top frame units also includes a diagonal support rod, the lower end of the diagonal support rod is rotatably connected to the second slider, and the upper end of the diagonal support rod is rotatably connected to the first top rod or the second top rod.

17. The bracket according to claim 16, characterized in that: The first sliding block and / or the second sliding block is a sliding sleeve slidably mounted on the central supporting rod.

18. The bracket according to claim 16 or 17, characterized in that: The length of the diagonal brace is smaller than that of the first push rod and the second push rod; and / or, the upper end of the diagonal brace is rotatably connected to the first push rod, and the distance between the connection between the diagonal brace and the first push rod and the outer end of the first push rod is less than half of the length of the first push rod, and the sum of the distance and the length of the diagonal brace is less than or equal to the length of the second push rod.

19. A support for covering products, having an unfolded state and a folded state, the support comprising: Center support rod; A plurality of top frame units, which are supported by the central support rod and can be relatively unfolded and folded; A first slider, which is used to be rotatably connected to the first rod of the top frame unit, and the first slider is slidably arranged on the central support rod in an up-down direction; A second slider, which is used to be rotatably connected to the second rod of the top frame unit, and the second slider is slidably arranged on the central support rod in an up-down direction; and A locking mechanism, which is arranged on the first slider and / or the second slider to lock the first slider and the second slider; When the bracket is in a folded state, the first slider and the second slider are away from each other, and the locking mechanism is in an unlocked state; when the bracket is in an unfolded state, the first slider and the second slider are close to each other, and the locking mechanism locks the first slider and the second slider to each other.

20. The bracket according to claim 19, characterized in that The locking mechanism includes a locking plate and a locking groove that cooperate with each other. The locking plate and the first slider are fixedly connected or integrally arranged. The locking groove is opened on the second slider. When the bracket is in the unfolded state, the locking plate is inserted into the locking groove. When the bracket is in the folded state, the locking plate is disengaged from the locking groove.

21. The bracket according to claim 20, characterized in that The locking piece is elastic and can be elastically deformed, and a lug is provided on the locking piece to prevent the locking piece from being separated from the locking groove.

22. The bracket according to claim 21, characterized in that The lug extends outward from the outer surface of the locking plate, and the lug has a limiting surface facing upward. When the bracket is in the unfolded state, the limiting surface is opposite to or against the lower surface of the second sliding block.

23. The bracket according to claim 21 or 22, characterized in that: The lug has a guide slope which gradually slopes outward from bottom to top.

24. The bracket according to any one of claims 21 to 23, characterized in that: The lug is configured to be compressed and deformed inwardly during the process of passing through the locking groove and automatically reset after moving to the bottom of the locking groove.

25. The support according to any one of claims 20 to 24, characterized in that The number of the locking plates is two and they are respectively located on two opposite sides of the central support rod, and the number and positions of the locking grooves correspond one-to-one to the locking plates.

26. The support according to any one of claims 20 to 25, characterized in that The second sliding block is located below the first sliding block, and the locking piece extends downward from the first sliding block.

27. A support for a shielding product, comprising: A central support rod having an upper end and a lower end for supporting or fixing on the ground, wherein the lower end is located below the upper end; A plurality of top frame units, which are supported by the central support rod and can be relatively unfolded and folded, each of the top frame units comprises a first top rod and a second top rod, the inner end of each of the first top rods is rotatably connected to the upper end of the central support rod, and the inner end of each of the second top rods is movably connected to the central support rod through a connecting block, and the connecting block is lower than the upper end of the central support rod; At least one of the top frame units has two second top rods arranged in parallel, and the outer end of the first top rod and the outer end of at least one of the two second top rods are connected to each other in a relatively rotatable manner.

28. The bracket according to claim 27, characterized in that When the bracket is in the unfolded state, the two second top rods are arranged in parallel and have a gap, and the first top rod is opposite to the gap between the two second top rods; each of the top frame units also includes a diagonal support rod, the upper end of the diagonal support rod is rotatably connected to the first top rod, and the lower end of the diagonal support rod is rotatably connected to a slider, and the slider is slidably arranged on the central support rod in the up and down directions, the slider is located below the connecting block, and the diagonal support rod passes through the gap between the two second top rods.

29. The bracket according to claim 28, characterized in that When the bracket is in the folded state, the diagonal support rod is accommodated between the two second push rods.

30. A support for a shielding product, comprising: A central support rod having an upper end and a lower end for supporting or fixing on the ground, wherein the lower end is located below the upper end; A plurality of top frame units, which are supported by the central support rod and can be relatively unfolded and folded, each of the top frame units comprises a first top rod and a second top rod, the inner end of each of the first top rods is rotatably connected to the upper end of the central support rod, and the inner end of each of the second top rods is movably connected to the central support rod through a connecting block, and the connecting block is lower than the upper end of the central support rod; At least one of the top frame units has two first top rods arranged in parallel, and the outer end of the second top rod is connected to the outer end of at least one of the two first top rods in a relatively rotatable manner.

31. The bracket according to claim 30, characterized in that When the bracket is in the unfolded state, the two first push rods are arranged in parallel, and the second push rod is located directly below the two first push rods or directly opposite to the gap between the two first push rods.

32. The bracket according to claim 31, characterized in that Each of the top frame units also includes a diagonal support rod, the upper end of which is rotatably connected to at least one of the two first top rods, and the lower end of which is rotatably connected to a slider, which is slidably arranged on the central support rod in an up-and-down direction, and the slider is located below the connecting block.

33. A support for a shielding product, comprising: Center support rod; A top frame capable of relatively unfolding and folding, the top frame comprising a plurality of extension rods capable of rotating relative to the central support rod; and A connecting piece is arranged on the outer end of at least one of the extension rods, and the connecting piece includes A connecting portion, which is fixedly connected to the outer end of the extension rod; and The wing is used to connect with the umbrella cloth. The wing is fixedly connected with the connecting part or is integrally arranged. The wing extends from the top of the connecting part away from the connecting part and is in the shape of a sheet.

34. The bracket according to claim 33, characterized in that The connecting portion comprises a sleeve, and the sleeve is sleeved on the outer end of the extension rod.

35. The bracket according to claim 34, characterized in that The sleeve and the extension rod are detachably connected via a fastener.

36. The support according to any one of claims 33 to 35, characterized in that The wing piece is provided with a hanging hole for the connecting piece on the umbrella cloth to be inserted into, and the hanging hole has a slot portion, and the slot portion has an opening for the connecting piece to slide into, and the opening faces the outer side or lower side of the bracket.

37. The stent according to claim 36, characterized in that The hanging hole also has a guide groove portion, the clamping groove portion is connected to the guide groove portion through the opening, the aperture or width of the guide groove portion is larger than the aperture or width of the clamping groove portion, and the hanging hole is formed by a closed hole wall.

38. The stent according to claim 36, characterized in that The opening is arranged at the outer edge of the connecting piece, and the slot portion extends inwardly from the outer edge of the connecting piece.

39. The support according to any one of claims 33 to 38, characterized in that Each of the connecting pieces has two wing pieces, and the two wing pieces extend horizontally from the connecting portion to different two sides respectively; a sewing portion for sewing and connecting with the umbrella cloth is provided on the wing piece.

40. A joint for covering products, which is used to rotatably connect a first rod and a second rod, the joint comprising a main body and a metal reinforcement plate connected to the main body, the main body is connected to the first rod via a first pivot, and the main body is connected to the second rod via a second pivot; the metal reinforcement plate has at least two ends, one of which is provided with a first pivot hole for the first pivot to pass through, and the other end is provided with a second pivot hole for the second pivot to pass through.

41. The joint according to claim 40, characterized in that The body and the third rod are connected by a fastener, and the metal reinforcement sheet has a third end portion, and a connecting hole for the fastener to pass through is opened on the third end portion.

42. The joint according to claim 41, characterized in that Centers of the first pivot hole, the second pivot hole and the connecting hole are not on the same straight line.

43. The joint according to claim 42, characterized in that The metal reinforcement sheet is L-shaped as a whole.

44. The joint according to claim 42, characterized in that After the shielding product is unfolded, the center line of the first rod and the center line of the third rod coincide with or are parallel to each other, the first pivot hole is located above the center line of the first rod, and the second pivot hole is located below the center line of the first rod.

45. A joint according to any one of claims 41 to 44, characterized in that The body has a pipe plug portion inserted into an end portion of the third rod, and the pipe plug portion and the third rod are connected by a fastener.

46. ​​A joint according to any one of claims 40 to 45, characterized in that The main body has a receiving groove, and after the shielding product is unfolded, one end of the first rod is received in the receiving groove; the upper part of the receiving groove is open to allow the first rod to flip upward.

47. A joint for covering products, for rotatably connecting at least two rods, characterized in that: The joint includes a main body and a metal reinforcement plate connected to the main body, wherein one rod is connected to the main body by a fastener, and the other rod is connected to the main body by a pivot; the metal reinforcement plate has at least two ends, one of which is provided with a connecting hole for the fastener to pass through, and the other end is provided with a pivot hole for the pivot to pass through.

48. A beach umbrella, comprising an umbrella frame and a cloth cover, characterized in that: The umbrella stand adopts the bracket described in any one of claims 1 to 39, or the umbrella stand includes the joint described in any one of claims 40 to 47.

49. The beach umbrella according to claim 48, characterized in that The cloth cover is connected to the umbrella frame through one or more connecting pieces.

50. The beach umbrella according to claim 49, characterized in that: The umbrella cloth includes a top cloth covering the top frame and a surrounding cloth hanging downward from the top frame, the top cloth is sewn onto the wing of the connecting piece, a connecting piece is provided on the surrounding cloth, and the connecting piece includes a connecting pin, and a recessed portion is provided on the side surface of the connecting pin. When the surrounding cloth is connected, the connecting pin is inserted into the hanging hole on the wing, and the recessed portion is stuck on the wing.

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