Folding arm square umbrella

Abstract

The utility model provides a folding arm square umbrella, including support stand, still include: lifting structure, lifting structure sets up on support stand, support arm structure, support arm structure sets up on support stand and lifting structure, lifting structure ascends and drives folding arm structure to open. Through motor positive rotation drives fine turning screw rod rotation, it is convenient to make the whole folding arm square three better automatic unfolding and folding storage. The motor of the present application is arranged at the top of the whole folding arm square umbrella, which facilitates increasing the sun-shading area available below the folding arm square umbrella. The motor can be easily disassembled and repaired by removing the motor chamber cover. The collected rainwater in the rainwater tank is discharged through the water outlet pipe, which facilitates the installation of the water outlet pipe on the folding arm square umbrella and effectively discharges the rainwater falling into the interior.

Description

Technical Field

[0001] This utility model relates to the field of square umbrella technology, and more particularly to a square umbrella with folding arms. Background Technology

[0002] A square umbrella is an outdoor sunshade or protective tool with four supporting corners and a square canopy. It typically uses a four-corner fixed structure design to enhance stability.

[0003] In typical square umbrellas, the motor is usually installed at the bottom. This bottom-mounted motor takes up floor space, reducing the usable shade area beneath the umbrella. Furthermore, a bottom-mounted motor makes it difficult to install a drain pipe inside the umbrella's support. During heavy rain, the weight of the rainwater exceeds surface tension, causing water droplets to break into smaller ones. These smaller droplets can seep into the umbrella through gaps in the fabric. The water that seeps inside then slides down the folding arm, and due to the lack of a drain pipe, the umbrella becomes damp. Therefore, effectively minimizing the motor's impact on the usable shade area beneath the umbrella and efficiently draining the rainwater that has fallen inside are crucial design challenges for folding-arm square umbrellas. Utility Model Content

[0004] This invention provides a folding arm square umbrella to solve the problems of motors occupying the usable shading area under the four corners of the umbrella and rainwater seeping into the umbrella not being able to drain properly.

[0005] This utility model solves the above-mentioned technical problems through the following technical solutions:

[0006] This utility model provides a folding arm square umbrella, including a supporting column, and further comprising:

[0007] A lifting structure, wherein the lifting structure is mounted on a supporting column;

[0008] The support arm structure is mounted on the support column and the lifting structure. When the lifting structure rises, it causes the folding arm structure to open. When the lifting structure falls, it causes the folding arm structure to fold and store.

[0009] The motor is mounted on top of the lifting structure;

[0010] The water outlet pipe is installed inside the supporting column.

[0011] Preferably, the supporting column consists of a column, a rainwater tank cone, an outer mast base, an outer mast, and an inner mast. The rainwater tank cone is fixedly connected to the top side wall of the column, the outer mast base is fixedly connected to the inner side wall of the rainwater tank cone, the outer mast is fixedly connected to the top side wall of the outer mast base, and the inner mast is fixedly connected to the inner side wall of the outer mast.

[0012] In this technical solution, the outer mast and inner mast support the lifting mast, and the rainwater tank cone can effectively collect water.

[0013] Preferably, the support column is fixedly connected at equal intervals to the side wall near the bottom, the outer mast is fixedly connected at equal intervals to the side wall near the top, the lower support cone of the column is fixedly connected to the bottom side wall, and the bottom plate is fixedly connected to the bottom side wall of the lower support cone of the column.

[0014] In this technical solution, the strut lugs support the struts, and the folding arm hinge lugs support the secondary folding arm.

[0015] Preferably, a water outlet pipe is fixedly connected to the bottom side wall of the rainwater tank cone, and the water outlet pipe extends downward through the side wall of the support cone and the bottom plate of the column.

[0016] In this technical solution, the outlet pipe effectively discharges the rainwater collected inside the rainwater tank cone.

[0017] Preferably, the lifting structure includes a precision-machined lead screw, a lifting mast, an upper flange of the lifting mast, a lower flange of the lifting mast, fixing bolts, and positioning sleeves. The upper flange and the lower flange of the lifting mast are fixedly connected to the inner side wall of the inner mast. Positioning sleeves are fixedly connected at equal intervals between the upper flange and the lower flange of the lifting mast. The upper flange and the lower flange of the lifting mast are connected by fixing bolts. The positioning sleeves are sleeved on the outside of the fixing bolts. Precision-machined lead screws are threaded onto the side walls of the upper flange and the lower flange of the lifting mast. The lifting mast is slidably connected between the outer mast and the inner mast.

[0018] Preferably, a lifting mast connecting flange is fixedly connected to the top side wall of the lifting mast, and a coupling chamber plate and a coupling cover plate are fixedly connected to the top of the lifting mast by bolts. The coupling chamber plate is located below the coupling cover plate, and a coupling is fixedly connected to the bottom side wall of the coupling chamber plate. The coupling is rotatably connected to the top of the precision-machined lead screw.

[0019] In this technical solution, the precision-machined lead screw rotates on the upper flange and lower flange of the lifting mast, causing it to move downwards. The downward movement of the precision-machined lead screw causes the lifting mast connecting flange to descend, and the lifting mast connecting flange causes the lifting mast to move downwards.

[0020] Preferably, motor support sleeves are fixedly connected at equal intervals on the top side wall of the coupling cover plate, the motor support sleeves are fixedly connected to the motor base plate by bolts, the motor is fixedly connected to the top side wall of the motor base plate, the rotating end of the motor is fixedly connected to the top of the precision-machined lead screw, the lifting mast connecting flange is fixedly connected to the motor housing cover by bolts, and the motor housing cover is fitted onto the outside of the motor.

[0021] In this technical solution, the forward rotation of the motor drives the precision machining screw to rotate, and the motor housing cover on top can protect the motor from water and dust. The motor housing cover can be removed to disassemble and repair the motor.

[0022] Preferably, the lifting mast is fixedly connected at equal intervals to the side wall near the top of the lifting mast, and an oil injection pipe and an oil-separating conduit are fixedly connected to the side walls of the coupling cover plate and the coupling chamber plate. The bottom end of the oil-separating conduit is fixedly connected to the side wall of the rainwater tank cone and extends downward.

[0023] In this technical solution, lubricating oil can be effectively injected into the interior through the oil injection pipe for lubrication, and the oil-separated conduit can effectively prevent the connecting wires from being affected by the lubricating oil.

[0024] Preferably, the folding arm structure includes a support rod, a diagonal folding arm, a secondary folding arm, an opening and closing pull rod, an opposite-side folding arm, and a secondary strut. One end of the secondary folding arm is rotatably connected to the folding arm hinge plate at equal distances. The other end of the secondary folding arm is rotatably connected to the diagonal folding arm and the opposite-side folding arm, respectively. One end of the opening and closing pull rod is rotatably connected to the middle side wall of the secondary folding arm, and the other end of the opening and closing pull rod is rotatably connected to the side wall of the lifting mast hinge plate. Secondary struts are rotatably connected to the side walls on both sides of the diagonal folding arm. One end of the support rod is rotatably connected to the side walls of the diagonal folding arm and the opposite-side folding arm, and the other end of the support rod is rotatably connected to the side wall of the strut ear plate.

[0025] In this technical solution, the lifting mast drives the lifting mast hinge plate to move downward, the lifting mast hinge plate drives the opening and closing lever to move downward, the opening and closing lever descends and pushes the secondary folding arm to unfold outward, the secondary folding arm unfolds outward and pushes the diagonal retracting arm and the opposite side retracting arm to move outward, the diagonal retracting arm and the opposite side retracting arm move outward to the bottom, causing the support rod to open outward, the outward opening of the support plate causes the diagonal retracting arm and the opposite side retracting arm to open, the opening of the diagonal retracting arm and the opposite side retracting arm causes the sunshade cloth above to unfold, the secondary supports on both sides of the diagonal retracting arm open to both sides in response to the opening of the sunshade cloth.

[0026] Preferably, a sunshade cloth is fixedly connected to the top side wall of the diagonal retractable arm, the secondary folding arm and the secondary support rod, and a cap is fixedly connected to the top side wall of the sunshade cloth, with the inner ring of the cap fixedly connected to the side wall of the motor chamber cover.

[0027] In this technical solution, the shading cloth provides effective shading.

[0028] Based on common knowledge in the field, the above-mentioned preferred conditions can be combined arbitrarily to obtain various preferred embodiments of this utility model.

[0029] The positive and progressive effects of this utility model are as follows:

[0030] 1. The forward rotation of the motor drives the precision-machined screw to rotate, which moves the lifting mast downward. The lowering of the lifting mast causes the diagonal folding arm, the secondary folding arm, the opposite side folding arm, and the secondary support rod to unfold, allowing the sunshade cloth above to unfold. When storing, the reverse rotation of the motor drives the precision-machined screw to rotate in the opposite direction, which in turn drives the lifting mast to rise. The opening and closing lever rises, causing the diagonal folding arm, the secondary folding arm, the opposite side folding arm, and the secondary support rod to fold and store in sections, facilitating the automatic unfolding and folding of the entire folding arm.

[0031] 2. The motor of this application is located at the top of the entire folding arm square umbrella, which does not occupy ground space, thereby increasing the usable shading area under the folding arm square umbrella.

[0032] 3. When repairing the motor, this application only requires removing the motor housing cover to disassemble and repair the motor, making the disassembly and repair of the motor more convenient.

[0033] 4. A drain pipe is installed at the bottom of the rainwater tank cone. When the rain is heavy and some rainwater seeps into the umbrella, the rainwater can slide down the diagonal folding arm, the secondary folding arm, the opposite side folding arm, and the secondary support rod. The rainwater tank cone can effectively collect the water, and the drain pipe can effectively discharge the rainwater collected in the rainwater tank cone. This makes it convenient to install a drain pipe on the folding arm square umbrella to effectively discharge the rainwater that has fallen into the interior. Attached Figure Description

[0034] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model.

[0035] Figure 2 This is a schematic diagram of the overall internal structure of this utility model.

[0036] Figure 3 This is a schematic diagram of the internal structure of the integral motor chamber cover of this utility model.

[0037] Figure 4 The whole of this utility model Figure 2 A magnified schematic diagram of the structure at point A.

[0038] Figure 5 This is a top view of the internal structure of the folding arm structure of this utility model.

[0039] Figure 6 This is a top view of the overall structure of this utility model.

[0040] Figure 7 The whole of this utility model Figure 1 Schematic diagram of the enlarged structure at point B

[0041] Explanation of reference numerals in the attached figures

[0042] 1. Base plate; 2. Lower support cone of the column; 3. Support column; 301. Column; 302. Rainwater tank cone; 303. Outer mast base; 304. Outer mast; 305. Inner mast; 4. Water outlet pipe; 5. Inspection port; 6. Lifting structure; 601. Precision-machined lead screw; 602. Lifting mast; 603. Upper flange of lifting mast; 604. Lower flange of lifting mast; 605. Fixing bolt; 606. Positioning sleeve; 7. Folding arm structure; 701. Support rod; 702. Diagonal folding arm; 7 03. Secondary folding arm; 704. Opening and closing lever; 705. Opposite side retracting arm; 706. Secondary support rod; 8. Motor housing cover; 9. Oil changing pipe; 10. Oil-separating conduit; 11. Motor base plate; 12. Coupling cover plate; 13. Lifting mast connecting flange; 14. Coupling housing plate; 15. Motor; 16. Folding arm hinge ear plate; 17. Support rod ear plate; 18. Lifting mast hinge ear plate; 19. Cap; 20. Sunshade cloth; 21. Coupling; 22. Motor support sleeve; 23. Oil injection pipe. Detailed Implementation

[0043] The present invention will be further illustrated by way of embodiments below, but the present invention is not limited to the scope of the embodiments described herein.

[0044] like Figure 1-7 As shown, the folding arm square umbrella includes a supporting column 3, and also includes:

[0045] A lifting structure 6 is mounted on a supporting column 3.

[0046] The support arm structure is mounted on the support column 3 and the lifting structure 6. When the lifting structure 6 rises, it causes the folding arm structure 7 to open. When the lifting structure 6 falls, it causes the folding arm structure 7 to fold and store.

[0047] Motor 15, which is mounted on top of lifting structure 6;

[0048] Water outlet pipe 4 is installed inside the support column 3.

[0049] The supporting column 3 consists of a column 301, a rainwater tank cone 302, an outer mast base 303, an outer mast 304, and an inner mast 305. The rainwater tank cone 302 is fixedly connected to the top side wall of the column 301. The outer mast base 303 is fixedly connected to the inner side wall of the rainwater tank cone 302. The outer mast 304 is fixedly connected to the top side wall of the outer mast base 303. The inner mast 305 is fixedly connected to the inner side wall of the outer mast 304.

[0050] The outer mast 304 and inner mast 305 support the lifting mast 602, and the rainwater tank cone 302 can effectively collect water.

[0051] The support column 301 has strut ear plates 17 fixedly connected at equal intervals on the side wall near the bottom. The outer mast 304 has folding arm hinge ear plates 16 fixedly connected at equal intervals on the side wall near the top. The lower support vertebra 2 of the support column 301 is fixedly connected to the bottom side wall. The bottom plate 1 is fixedly connected to the bottom side wall of the lower support vertebra 2.

[0052] The strut ear plate 17 supports the support rod 701, and the folding arm hinge ear plate 16 supports the secondary folding arm 703.

[0053] A water outlet pipe 4 is fixedly connected to the bottom side wall of the rainwater tank cone 302. The water outlet pipe 4 extends downward through the side wall of the support cone 2 and the base plate 1.

[0054] The drain pipe 4 effectively drains the rainwater collected in the rainwater tank cone 302.

[0055] The lifting structure 6 includes a precision-machined lead screw 601, a lifting mast 602, an upper flange 603, a lower flange 604, fixing bolts 605, and positioning sleeves 606. The upper flange 603 and the lower flange 604 are fixedly connected to the inner sidewall of the inner mast 305. Positioning sleeves 606 are fixedly connected at equal intervals between the upper flange 603 and the lower flange 604. The upper flange 603 and the lower flange 604 are connected by fixing bolts 605. The positioning sleeves 606 are sleeved on the outside of the fixing bolts 605. The precision-machined lead screw 601 is threaded onto the sidewall of the upper flange 603 and the lower flange 604. The lifting mast 602 is slidably connected between the outer mast 304 and the inner mast 305.

[0056] A lifting mast connecting flange 13 is fixedly connected to the top side wall of the lifting mast 602. A coupling chamber plate 14 and a coupling cover plate 12 are fixedly connected to the top of the lifting mast 602 by bolts. The coupling chamber plate 14 is located below the coupling cover plate 12. A coupling 21 is fixedly connected to the bottom side wall of the coupling chamber plate 14. The coupling 21 is rotatably connected to the top of the precision-machined lead screw 601.

[0057] When the precision-machined lead screw 601 rotates on the upper flange 603 and lower flange 604 of the lifting mast, it will move downward. The downward movement of the precision-machined lead screw 601 will cause the lifting mast connecting flange 13 to descend, and the lifting mast connecting flange 13 will cause the lifting mast 602 to move downward.

[0058] Motor 15 support sleeves are fixedly connected at equal intervals on the top side wall of the coupling cover plate 12. The motor 15 support sleeves are fixedly connected to the motor base plate 11 by bolts. The motor 15 is fixedly connected to the top side wall of the motor base plate 11. The rotating end of the motor 15 is fixedly connected to the top of the precision-machined lead screw 601. The lifting mast connecting flange 13 is fixedly connected to the motor housing cover 8 by bolts. The motor housing cover 8 is sleeved on the outside of the motor 15.

[0059] The forward rotation of motor 15 drives the precision machining screw 601 to rotate. The motor housing cover 8 on top can protect motor 15 from water and dust. Removing the motor housing cover 8 allows for the disassembly and maintenance of motor 15.

[0060] The lifting mast 602 has lifting mast hinge lugs 18 fixedly connected at equal intervals on the side wall near the top. The coupling cover plate 12 and the coupling chamber plate 14 have oil injection pipes 23 and oil-separating conduit 10 fixedly connected on their side walls. The bottom end of the oil-separating conduit 10 is fixedly connected to the side wall of the rainwater tank cone 302 and extends downward.

[0061] The oil injection pipe 23 allows for better lubrication by injecting lubricating oil into the interior, while the oil-separated conduit 10 effectively prevents the connecting wires from being affected by the lubricating oil.

[0062] The folding arm structure 7 includes a support rod 701, a diagonal folding arm 702, a secondary folding arm 703, an opening and closing pull rod 704, an opposite-side folding arm 705, and a secondary strut 706. One end of the secondary folding arm 703 is rotatably connected to the folding arm hinge plate 16 at equal distances. The other end of the secondary folding arm 703 is rotatably connected to the diagonal folding arm 702 and the opposite-side folding arm 705, respectively. One end of the opening and closing pull rod 704 is rotatably connected to the middle side wall of the secondary folding arm 703, and the other end of the opening and closing pull rod 704 is rotatably connected to the side wall of the lifting mast hinge plate 18. The secondary struts 706 are rotatably connected to the side walls on both sides of the diagonal folding arm 702. One end of the support rod 701 is rotatably connected to the side walls of the diagonal folding arm 702 and the opposite-side folding arm 705, and the other end of the support rod 701 is rotatably connected to the side wall of the strut ear plate 17.

[0063] The lifting mast 602 drives the lifting mast hinge plate 18 to move downwards, which in turn drives the opening and closing lever 704 to move downwards. The downward movement of the opening and closing lever 704 pushes the secondary folding arm 703 to unfold outwards. The unfolding of the secondary folding arm 703 pushes the diagonal retracting arm 702 and the opposite side retracting arm 705 to move outwards. The diagonal retracting arm 702 and the opposite side retracting arm 705 move outwards to the bottom, causing the support rod 701 to open outwards. The outward opening of the support plate causes the diagonal retracting arm 702 and the opposite side retracting arm 705 to open. The opening of the diagonal retracting arm 702 and the opposite side retracting arm 705 causes the sunshade cloth 20 above to unfold. The secondary supports on both sides of the diagonal retracting arm 702 open to the sides in response to the opening of the sunshade cloth 20.

[0064] A sunshade cloth 20 is fixedly connected to the top side wall of the diagonal retractable arm 702, the secondary folding arm 703 and the secondary support rod 706. A cap 19 is fixedly connected to the top side wall of the sunshade cloth 20, and the inner ring of the cap 19 is fixedly connected to the side wall of the motor chamber cover 8.

[0065] Shading cloth 20 is a good way to provide shade.

[0066] In use, all electrical components mentioned in this application are connected to an external power supply and control switch. The motor 15 rotates in the forward direction, driving the precision machining screw 601 to rotate. The precision machining screw 601 rotates on the upper flange 603 and lower flange 604 of the lifting mast and will move downward. The downward movement of the precision machining screw 601 causes the lifting mast connecting flange 13 to descend. The lifting mast connecting flange 13 causes the lifting mast 602 to move downward. The lifting mast 602 causes the lifting mast hinge ear plate 18 to move downward. The lifting mast hinge ear plate 18 causes the opening and closing pull rod 704 to move downward.

[0067] The opening / closing lever 704 descends, pushing the secondary folding arm 703 outward. The outward extension of the secondary folding arm 703 pushes the diagonal retracting arm 702 and the opposite-side retracting arm 705 outward. The outward movement of the diagonal retracting arm 702 and the opposite-side retracting arm 705 causes the support rod 701 to open outward. The outward opening of the support plate causes the diagonal retracting arm 702 and the opposite-side retracting arm 705 to open, which in turn drives the upper... When the sunshade 20 is unfolded, the secondary supports on both sides of the diagonal retractable arm 702 open to the sides in response to the unfolding of the sunshade 20. At the same time, when storing, the motor 15 simply rotates in the opposite direction, driving the lifting mast 602 to rise and the opening and closing lever 704 to rise, driving the diagonal retractable arm 702, the secondary folding arm 703, the opposite side retractable arm 705 and the secondary support rod 706 to fold and store separately, so that the entire folding arm can be automatically unfolded and folded and stored in a better manner.

[0068] The motor 15 is located at the top of the entire folding arm square umbrella, without occupying ground space, thus increasing the usable sunshade area under the umbrella. The motor housing cover 8 at the top provides waterproof and dustproof protection for the motor 15. When repairing the motor 15, simply remove the motor housing cover 8 to disassemble and repair the motor 15, making disassembly and repair of the motor 15 convenient. The bottom of the rainwater tank cone 302 is equipped with a water outlet pipe 4. When the rain is heavy and some rainwater seeps into the umbrella, the rainwater can slide down along the diagonal retracting arm 702, the secondary folding arm 703, the opposite side retracting arm 705, and the secondary support rod 706. The rainwater tank cone 302 can effectively collect the water, and the water outlet pipe 4 can effectively drain the rainwater collected in the rainwater tank cone 302. This makes it convenient to install the water outlet pipe 4 on the folding arm square umbrella to effectively drain the rainwater that has fallen into the umbrella.

[0069] This utility model is not limited to the above-described embodiments. Any changes in its shape or structure fall within the protection scope of this utility model. The protection scope of this utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of this utility model, but all such changes and modifications fall within the protection scope of this utility model.

Claims

1. A folding-arm square umbrella, including a supporting column (3), characterized in that, Also includes: A lifting structure (6) is provided on a supporting column (3); The support arm structure is set on the support column (3) and the lifting structure (6). The lifting structure (6) rises to open the folding arm structure (7), and the lifting structure (6) falls to fold the folding arm structure (7) for storage. Motor (15), said motor (15) is mounted on top of lifting structure (6); Water outlet pipe (4) is installed inside the support column (3).

2. The folding arm square umbrella as described in claim 1, characterized in that: The supporting column (3) consists of a column (301), a rainwater tank cone (302), an outer mast base (303), an outer mast (304), and an inner mast (305). The rainwater tank cone (302) is fixedly connected to the top side wall of the column (301). The outer mast base (303) is fixedly connected to the inner side wall of the rainwater tank cone (302). The outer mast (304) is fixedly connected to the top side wall of the outer mast base (303). The inner mast (305) is fixedly connected to the inner side wall of the outer mast (304).

3. The folding arm square umbrella as described in claim 2, characterized in that: The support column (301) is fixedly connected at equal intervals to the side wall near the bottom. The outer mast (304) is fixedly connected at equal intervals to the side wall near the top. The lower support vertebra (2) of the support column (301) is fixedly connected to the bottom side wall. The bottom plate (1) of the lower support vertebra (2) of the support column is fixedly connected to the bottom side wall.

4. The folding arm square umbrella as described in claim 2, characterized in that: A water outlet pipe (4) is fixedly connected to the bottom side wall of the rainwater tank cone (302), and the water outlet pipe (4) extends downward through the side wall of the support cone (2) and the bottom plate (1).

5. The folding arm square umbrella as described in claim 1, characterized in that: The lifting structure (6) includes a precision-machined lead screw (601), a lifting mast (602), an upper flange (603) of the lifting mast, a lower flange (604) of the lifting mast, fixing bolts (605), and positioning sleeves (606). The upper flange (603) and the lower flange (604) of the lifting mast are fixedly connected to the inner wall of the inner mast (305). Positioning sleeves are fixedly connected at equal intervals between the upper flange (603) and the lower flange (604) of the lifting mast. The upper flange (603) and lower flange (604) of the lifting mast are connected by fixing bolts (605). The positioning sleeve (606) is sleeved on the outside of the fixing bolts (605). The upper flange (603) and lower flange (604) of the lifting mast are threaded with precision-machined screws (601). The lifting mast (602) is slidably connected between the outer mast (304) and the inner mast (305).

6. The folding arm square umbrella as described in claim 5, characterized in that: A lifting mast connecting flange (13) is fixedly connected to the top side wall of the lifting mast (602). A coupling chamber plate (14) and a coupling cover plate (12) are fixedly connected to the top of the lifting mast (602) by bolts. The coupling chamber plate (14) is located below the coupling cover plate (12). A coupling (21) is fixedly connected to the bottom side wall of the coupling chamber plate (14). The coupling (21) is rotatably connected to the top of the precision-machined lead screw (601).

7. The folding arm square umbrella as described in claim 6, characterized in that: The motor (15) support sleeve is fixedly connected at equal intervals on the top side wall of the coupling cover plate (12). The motor (15) support sleeve is fixedly connected to the motor base plate (11) by bolts. The motor (15) is fixedly connected to the top side wall of the motor base plate (11). The rotating end of the motor (15) is fixedly connected to the top of the precision-machined lead screw (601). The lifting mast connecting flange (13) is fixedly connected to the motor housing cover (8) by bolts. The motor housing cover (8) is sleeved on the outside of the motor (15).

8. The folding arm square umbrella as described in claim 6, characterized in that: The lifting mast (602) has lifting mast hinge plates (18) fixedly connected at equal intervals on the side wall near the top. The coupling cover plate (12) and the coupling chamber plate (14) have oil injection pipe (23) and oil-separating conduit (10) fixedly connected on their side walls. The bottom end of the oil-separating conduit (10) is fixedly connected to the side wall of the rainwater tank cone (302) and extends downward.

9. The folding arm square umbrella as described in claim 1, characterized in that: The folding arm structure (7) includes a support rod (701), a diagonal folding arm (702), a secondary folding arm (703), an opening and closing pull rod (704), an opposite-side folding arm (705), and a secondary support rod (706). One end of the secondary folding arm (703) is rotatably connected to the folding arm hinge plate (16) at equal distances. The other end of the secondary folding arm (703) is rotatably connected to the diagonal folding arm (702) and the opposite-side folding arm (705), respectively. One end of an opening and closing lever (704) is rotatably connected to the middle side wall, and the other end of the opening and closing lever (704) is rotatably connected to the side wall of the lifting mast hinge plate (18). Secondary support rods (706) are rotatably connected to the side walls on both sides of the diagonal retracting arm (702). One end of a support rod (701) is rotatably connected to the side walls of the diagonal retracting arm (702) and the opposite side retracting arm (705), and the other end of the support rod (701) is rotatably connected to the side wall of the support rod ear plate (17).

10. The folding arm square umbrella as described in claim 9, characterized in that: A sunshade cloth (20) is fixedly connected to the top side wall of the diagonal retractable arm (702), the secondary folding arm (703) and the secondary support rod (706). A cap (19) is fixedly connected to the top side wall of the sunshade cloth (20), and the inner ring of the cap (19) is fixedly connected to the side wall of the motor housing cover (8).

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