CN112155297A

CN112155297A - Conveniently-unfolded outdoor umbrella for sandy soil

Info

Publication number: CN112155297A
Application number: CN202011011246.0A
Authority: CN
Inventors: 干伟伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-01-01

Abstract

The invention discloses a conveniently-unfolded outdoor umbrella for sandy soil, which comprises an umbrella body, wherein a supporting rod for supporting is fixedly connected at the center of the upper end surface of the umbrella body, an installation block is fixedly connected with the upper end surface of the supporting rod, the umbrella is unfolded through treading by human feet, a user can conveniently unfold the umbrella, the umbrella can be more tightly fastened with the ground in the unfolding process of the umbrella, the wind resistance of the umbrella is enhanced, the umbrella is more stable in use, the umbrella can be automatically closed according to the size of a deformation quantity of the umbrella generated by the wind when the wind power is high, the umbrella body is prevented from being damaged when the wind power is too high, the umbrella body can shake in the closing process of the umbrella, so that dirt or residual rainwater on the umbrella surface can be shaken off, the maintenance workload of the user is reduced, and the service life of the umbrella is prolonged.

Description

Conveniently-unfolded outdoor umbrella for sandy soil

Technical Field

The invention belongs to the field of daily necessities, and particularly relates to a conveniently-unfolded outdoor umbrella for sandy soil.

Background

Ordinary outdoor umbrella is very big on the market at present, the shrink, the expansion umbrella is generally gone on through the manpower, unusual inconvenience, and because umbrella body gravity is great, the user need consume very big power and just can expand, and the balancing weight under the umbrella body is not big, the umbrella can not blown away when can not guaranteeing the strong wind, and when the umbrella was used and is packed up, the umbrella surface can be attached to fallen leaves or other rubbish and rainwater residues etc. the accumulation can lead to the fact harm such as corruption to the umbrella body in the umbrella body, consequently, the urgent need to design one kind can expand automatically and shrink and increase the steadiness and carry out clear outdoor umbrella to self.

Disclosure of Invention

The invention provides an outdoor umbrella which is convenient to open and can be automatically closed when wind is strong, in order to overcome the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a conveniently-unfolded outdoor umbrella for sandy soil comprises an umbrella body, wherein a supporting rod for supporting is fixedly connected to the center of the upper end face of the umbrella body, and an installation block is fixedly connected to the upper end face of the supporting rod;

a pneumatic device: the air bag is positioned on the right side of the machine body, and the foot of a person treads the air bag to drive other devices to start.

A fastening device: including two anchorage bar and actuating mechanism, every the conical fourth connecting rod of anchorage bar lower extreme fixedly connected with drives as actuating mechanism the anchorage bar with during the downstream of fourth connecting rod, the anchorage bar with the fourth connecting rod will insert in the ground, makes the umbrella body more firm, and the wind resistance is stronger.

Protecting the cleaning device: protection cleaning device is in can reciprocate in the bracing piece, can prop up the umbrella body when protection cleaning device rebound, and when wind was big, can trigger the magnetic ball among the protection cleaning device rebound to gas outgoing in will protecting cleaning device packs up the umbrella body, avoids wind-force too big to lift the umbrella body, is in simultaneously when protection cleaning device rebound packs up the umbrella body, protection cleaning device with shake the piece cooperation on the bracing piece and shake, can shake dirt such as fallen leaves or rainwater residue on the umbrella body, increase umbrella body life, reduce user of service's maintenance work load.

Preferably, the pneumatic device comprises a mounting groove arranged in the machine body, the mounting groove is upwards and rightwards opened, a lower side wall of the mounting groove is fixedly connected with an air bag mounting plate, an upper side surface of the air bag mounting plate is fixedly connected with an air bag, an upper side surface of the air bag is fixedly connected with a pedal used for being trodden by a foot of a person, a lower side surface of the pedal and an upper side surface of the air bag mounting plate are fixedly connected with a reset spring, an air inlet pipe is fixedly connected in the air bag mounting plate, the air inlet pipe downwards extends to penetrate through the machine body and extends out from the right side surface of the machine body, the air inlet pipe is communicated with a space in the air bag and an external space, a one-way valve is fixedly arranged in the air inlet pipe, gas can only enter the air bag from the external space through a, the utility model discloses a safety air bag, including fixed block, pneumatic pipe, blast pipe right-hand member threaded connection, the fixed block is gone up and down the gasbag, the fixed block is gone up and down fixedly connected with lift gasbag, fixed block downside fixedly connected with pneumatic pipe, pneumatic pipe runs through the fixed block with lift gasbag intercommunication, pneumatic pipe downwardly extending runs through the lower lateral wall of first spout enters into in the organism, pneumatic pipe's right side intercommunication is provided with the blast pipe, the blast pipe extends right and runs through in the bracing piece enters into the exterior space, blast pipe right-hand member threaded connection has the screw thread lid, the blast pipe is located the fixed block downside, the blast pipe is located in the first spout, pneumatic pipe with the intercommunication is provided.

Preferably, the fastening device comprises a first slider slidably connected in the pneumatic tube, a rubber ring is sleeved on the first slider to ensure good sealing between the first slider and the pneumatic tube, a first connecting rod is fixedly connected to the lower end face of the first slider, a fastening groove with a downward opening is arranged in the machine body, the fastening groove is positioned at the lower side of the pneumatic tube, the first connecting rod extends downwards to penetrate through the pneumatic tube into the fastening groove, a second connecting rod is fixedly connected to the lower end face of the first connecting rod, two third connecting rods are fixedly connected to the lower side face of the second connecting rod in a bilateral symmetry manner along the central line of the second connecting rod, a fourth connecting rod is fixedly connected to the lower side face of the second connecting rod in a bilateral symmetry manner along the central line of the fourth connecting rod, and two fastening rods are fixedly connected to the lower side face of the fourth connecting rod in a bilateral symmetry manner along the central, the lower end face of each fastening rod is fixedly connected with a drill bit, and when the device is not in operation, the tip of the lower portion of the drill bit and the lower side face of the machine body are located on the same horizontal plane.

Preferably, six forward openings and direction opening turnover grooves far away from the circle center of the mounting block are uniformly formed in the mounting block along the circumferential direction, each turnover groove is internally hinged with an umbrella rib, and the middle end of each umbrella rib is hinged with an umbrella rib supporting rod.

Preferably, the protection cleaning device comprises six second sliding grooves which are uniformly arranged in the supporting rod along the circumferential direction and have openings far away from the center of the supporting rod, a lifting block is connected in the pneumatic tube in a sliding manner, the lower end surface of the lifting block is fixedly connected with the upper end of the lifting air bag, a first air groove with a downward opening is arranged in the lifting block, the first air groove is communicated with the lifting air bag, a magnetic groove is communicated with the upper side of the first air groove, the diameter of the magnetic groove is smaller than that of the first air groove, six air exhaust grooves are uniformly arranged in the magnetic groove along the circumferential direction, each air exhaust groove communicates the magnetic groove with the corresponding second sliding groove, three V-shaped air exhaust grooves are uniformly arranged in the circumferential direction on the upper side of the magnetic groove, each air exhaust groove is communicated with the magnetic groove, and a magnetic ball is magnetically connected in the magnetic groove, the lower end face of the magnetic ball is fixedly connected with an L-shaped reset rod, the reset rod extends downwards to enter the lifting air bag, two connecting springs are symmetrically and fixedly connected between the lower side face of the magnetic ball and the left and right side walls of the first air groove, the air exhaust groove is separated from and communicated with the magnetic groove when the magnetic ball is in the magnetic groove, a hinged short rod is arranged in each second sliding groove, each hinged short rod is fixedly connected with the outer side face of the lifting block, the hinged short rod is in sliding connection with the corresponding second sliding groove, each hinged short rod extends outwards to enter an external space, one end, far away from the lifting block, of each hinged short rod is hinged with a turnover block, the upper end of each turnover block is fixedly connected with an arc-shaped rod, and when the turnover block is turned around the hinged position of the turnover block and the hinged short rod, the turning block can drive the corresponding arc-shaped rod to slide in one of the branches of the V shape, when the turning blocks are turned to be close to the limit positions, one end of the arc-shaped rod can be abutted against the magnetic ball, the right end of each turning block is hinged with the corresponding umbrella rib supporting rod, one side surface of the lower end of each turning block, which is close to the lifting block, is fixedly connected with a shaking trigger block, the shake trigger block is located the correspondence the downside of articulated quarter butt, the equidistant fixed three group of shaking pieces that are provided with in middle section of bracing piece, every group shake the piece and include along the even fixed setting of circumferencial direction six of bracing piece surface shake the piece, every shake the piece and be located adjacent two between the second spout opening, every shake the trigger block reciprocate the in-process with corresponding shake the piece and take place the butt.

In summary, the invention has the following advantages: the umbrella is simple in structure, the opening of the umbrella is realized by treading with feet, a user can conveniently open the umbrella, the umbrella can be fastened with the ground in the opening process, the wind resistance of the umbrella is enhanced, the umbrella is more stable in use, the umbrella can be automatically closed according to the deformation quantity of the umbrella generated by the wind under the action of wind when the wind power is high, the umbrella body is prevented from being damaged by the excessive wind power, the umbrella body can shake in the closing process of the umbrella, so that the dirt or residual rainwater on the umbrella surface can be shaken off, the maintenance workload of the user is reduced, and the service life of the umbrella is prolonged.

Drawings

FIG. 1 is a diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is an enlarged view of a portion of FIG. 1 at C;

FIG. 5 is a cross-sectional view taken at D-D of FIG. 1;

FIG. 6 is an enlarged view of a portion E of FIG. 1;

fig. 7 is a partial enlarged view of fig. 1 at F.

In the figure, a machine body 10; a support bar 11; the umbrella ribs 12; an umbrella frame support rod 13; a first chute 14; a pneumatic tube 15; a second chute 16; a dither block 17; a lifting air bag 18; a lifting block 19; a first air tank 20; a reset lever 21; a hinge stub 22; a turning block 23; a jitter trigger block 24; an arc-shaped rod 25; an arcuate slot 26; a magnetic ball 27; a connecting spring 28; an exhaust groove 29; a mounting block 30; a turnover groove 31; a fixed block 32; a fastening groove 33; a drill bit 34; a fastening rod 35; a fourth connecting rod 36; a third connecting rod 37; a second connecting rod 38; a check valve 39; an intake duct 40; an airbag mounting plate 41; an air bag 42; a pedal 43; a mounting groove 44; a return spring 45; a first connecting rod 46; a first slider 47; a screw cap 48; an exhaust pipe 49; a connection pipe 50; a magnetic groove 51.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 7, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, the outdoor umbrella for sandy soil users, which is convenient to unfold, comprises a machine body 10, wherein a support rod 11 for supporting is fixedly connected to the center of the upper end surface of the machine body 10; as shown in fig. 4, the upper end surface of the support rod 11 is fixedly connected with a mounting block 30; as shown in fig. 1, a pneumatic device a1 for transmitting power is arranged on the right side of the machine body 10, a fastening device a2 for fastening the connection between the umbrella and the ground is arranged in the machine body 10, the fastening device a2 is arranged on the left side of the pneumatic device a1, and a protective cleaning device A3 for supporting the umbrella body while preventing the umbrella from being turned over by wind and shaking off rain on the umbrella cover is arranged in the support rod 11.

As shown in fig. 6, the pneumatic device a1 includes a mounting groove 44 opened in the machine body 10, the mounting groove 44 is opened upward and rightward, an airbag mounting plate 41 is fixedly connected to a lower sidewall of the mounting groove 44, an air bag 42 is fixedly connected with the upper side surface of the air bag mounting plate 41, a pedal 43 used for stepping by a foot of a person is fixedly connected with the upper side of the air bag 42, a return spring 45 is fixedly connected between the lower side surface of the pedal 43 and the upper side surface of the air bag mounting plate 41, an air inlet pipe 40 is fixedly connected in the air bag mounting plate 41, the air inlet pipe 40 extends downwards to penetrate through the machine body 10 and extends out from the right side surface of the machine body 10, the air inlet pipe 40 is communicated with the space in the air bag 42 and the external space, a one-way valve 39 is fixedly arranged in the air inlet pipe 40, and air can only enter the air bag 42 from the external space through the mounting block 30; as shown in fig. 1, a first sliding slot 14 is formed in the supporting rod 11; as shown in fig. 7, a fixed block 32 is fixedly connected in the first chute 14, a lifting air bag 18 is fixedly connected to the upper side of the fixed block 32, a pneumatic tube 15 is fixedly connected to the lower side of the fixed block 32, and the pneumatic tube 15 penetrates through the fixed block 32 and is communicated with the lifting air bag 18; as shown in fig. 6, the pneumatic tube 15 extends downward to penetrate through the lower side wall of the first sliding groove 14 and enter the machine body 10, an exhaust tube 49 is connected to the right side of the pneumatic tube 15, the exhaust tube 49 extends rightward to penetrate through the support rod 11 and enter the external space, a threaded cap 48 is screwed on the right end of the exhaust tube 49, the exhaust tube 49 is located on the lower side of the fixed block 32, the exhaust tube 49 is located in the first sliding groove 14, a zigzag connecting tube 50 is connected between the pneumatic tube 15 and the air bag 42, and the connecting tube 50 is located in the machine body 10. When the umbrella is used, when the umbrella needs to be unfolded, a person steps down on the pedal 43, the pedal 43 compresses the return spring 45 to approach the airbag mounting plate 41, so that the gas in the airbag 42 is discharged into the pneumatic tube 15 through the connecting tube 50, the gas enters the lifting airbag 18 through the pneumatic tube 15, so that the lifting airbag 18 is expanded, when the force for downwards pressing the pedal 43 is stopped, the pedal 43 is returned under the elastic force of the return spring 45, meanwhile, as the air pressure in the airbag 42 is reduced, the external gas enters the air inlet tube 40 through the one-way valve 39 and then enters the airbag 42, and the pedal 43 is repeatedly stepped, so that the gas can be continuously conveyed to the lifting airbag 18, the lifting airbag 18 is continuously expanded, and when the umbrella needs to be folded, the screw cap 48 is unscrewed from the exhaust pipe 49, and the gas is discharged through the exhaust pipe 49, so that the air bag 18 is deflated, and the umbrella is stowed.

As shown in fig. 6, the fastening device a2 includes a first slider 47 slidably connected in the pneumatic tube 15, a rubber ring is sleeved on the first slider 47 to ensure good sealing performance between the first slider 47 and the pneumatic tube 15, a first connecting rod 46 is fixedly connected to a lower end surface of the first slider 47, a fastening slot 33 with a downward opening is provided in the machine body 10, the fastening slot 33 is located at the lower side of the pneumatic tube 15, the first connecting rod 46 extends downward to penetrate through the pneumatic tube 15 and enter the fastening slot 33, a second connecting rod 38 is fixedly connected to a lower end surface of the first connecting rod 46, two third connecting rods 37 are fixedly connected to a lower side surface of the second connecting rod 38 in a bilateral symmetry manner with a center line of the second connecting rod 38, a fourth connecting rod 36 is fixedly connected to a lower side surface of the third connecting rods 37 in a bilateral symmetry manner with a center line of the fourth connecting rod 36, and two fastening rods are fixedly connected to a lower side surface of the fourth connecting rod 36 The lower end face of each fastening rod 35 is fixedly connected with a drill bit 34, and when the device is not operated, the tip of the lower part of the drill bit 34 is positioned at the same horizontal plane with the lower side face of the machine body 10. In use, when the gas in the pneumatic tube 15 increases, the gas drives the first slider 47 to move downwards, the first slider 47 drives the first connecting rod 46 to move downwards, the first connecting rod 46 drives the second connecting rod 38 to move downwards, the second connecting rod 38 drives the fourth connecting rod 36 to move downwards through the third connecting rod 37, and the fourth connecting rod 36 drives the drill bit 34 to move downwards through the fastening rod 35, so that the fastening rod 35 and the drill bit 34 are inserted into the ground, and the wind resistance of the outdoor umbrella is enhanced, and the outdoor umbrella is not easily blown away by wind.

As shown in fig. 5, six turning grooves 31 which are opened forwards and are opened in a direction away from the center of the circle of the mounting block 30 are uniformly formed in the mounting block 30 along the circumferential direction, and an umbrella rib 12 is hinged in each turning groove 31; as shown in fig. 1, the middle end of each of the umbrella ribs 12 is hinged with an umbrella rib support rod 13.

As shown in fig. 2, the protective cleaning device a3 includes six second sliding grooves 16 uniformly opened in the supporting rod 11 along the circumferential direction and spaced apart from the center of the supporting rod 11; as shown in fig. 3, an elevating block 19 is slidably connected in the pneumatic tube 15, a lower end surface of the elevating block 19 is fixedly connected to an upper end of the elevating air bag 18, a first air groove 20 with a downward opening is formed in the elevating block 19, the first air groove 20 is communicated with the elevating air bag 18, a magnetic groove 51 is communicated with an upper side of the first air groove 20, a diameter of the magnetic groove 51 is smaller than that of the first air groove 20, six air discharge grooves 29 are uniformly arranged in the magnetic groove 51 along a circumferential direction, each air discharge groove 29 communicates the magnetic groove 51 with the corresponding second sliding groove 16, three V-shaped air discharge grooves 29 are uniformly arranged in the upper side of the magnetic groove 51 along the circumferential direction, each air discharge groove 29 communicates with the magnetic groove 51, a magnetic ball 27 is magnetically connected in the magnetic groove 51, and an L-shaped reset rod 21 is fixedly connected to a lower end surface of the magnetic ball 27, the reset rod 21 extends downwards to enter the lifting air bag 18, two connecting springs 28 are fixedly connected between the lower side surface of the magnetic ball 27 and the left and right side walls of the first air groove 20 in a bilateral symmetry manner, the air exhaust groove 29 is separated from and communicated with the magnetic groove 51 when the magnetic ball 27 is in the magnetic groove 51, each second sliding groove 16 is internally provided with a hinged short rod 22, each hinged short rod 22 is fixedly connected with the outer side surface of the lifting block 19, the hinged short rod 22 is slidably connected with the corresponding second sliding groove 16, each hinged short rod 22 extends outwards to enter an external space, one end, far away from the lifting block 19, of each hinged short rod 22 is hinged with an overturning block 23, the upper end of each overturning block 23 is fixedly connected with an arc-shaped rod 25, when the overturning block 23 overturns around the hinged position of the overturning block 23 and the hinged short rod 22, the turning blocks 23 can drive the corresponding arc-shaped rods 25 to slide in one of the branches of the V shape, when the turning blocks 23 are turned to be close to the limit position, one end of each arc-shaped rod 25 can be abutted against the magnetic ball 27, the right end of each turning block 23 is hinged to the corresponding umbrella rib support rod 13, one side surface of the lower end of each turning block 23 close to the lifting block 19 is fixedly connected with a shaking trigger block 24, and the shaking trigger block 24 is positioned on the lower side of the corresponding hinged short rod 22; as shown in fig. 1, the middle section of the supporting rod 11 is provided with three groups of shaking blocks at equal intervals, each group of shaking blocks comprises six shaking blocks 17 which are uniformly and fixedly arranged on the outer surface of the supporting rod 11 along the circumferential direction, each shaking block 17 is located at two adjacent openings of the second sliding groove 16, and each shaking trigger block 24 is abutted against the shaking block 17 in the up-down moving process. When the umbrella is used, when the lifting air bag 18 expands and rises, the lifting air bag 18 drives the lifting block 19 to move upwards, the lifting block 19 drives the turning block 23 to move upwards through the hinged short rod 22, the turning block 23 drives the umbrella rib supporting rod 13 to move upwards, meanwhile, the umbrella rib supporting rod 13 drives the corresponding umbrella rib 12 to turn around the mounting block 30, so that the umbrella body is opened, when the umbrella is opened, the force of wind on one side is too large, the wind drives the umbrella rib 12 to turn around the mounting block 30 upwards, the umbrella rib 12 drives the turning block 23 to turn around the hinged short rod 22 upwards through the umbrella rib supporting rod 13, the turning block 23 drives the arc-shaped rod 25 to slide in the arc-shaped groove 26, when the arc-shaped groove 26 is abutted to the magnetic ball 27, the arc-shaped groove 26 continues to move to drive the magnetic ball 27 to be separated from the upper side wall of the magnetic groove 51 in magnetic attraction, the magnetic ball 27 moves downwards under the action of gravity and drives the reset rod 21 to move downwards, the magnetic ball 27 is suspended in the first air groove 20 under the action of the two connecting springs 28, meanwhile, the air exhaust groove 29 is communicated with the first air groove 20 as the magnetic ball 27 falls from the connecting pipe 50, at this time, the air in the lifting air bag 18 is exhausted outwards through the first air groove 20 and the air exhaust groove 29, the lifting air bag 18 is compressed downwards under the force of the lifting block 19 and the connecting piece of the lifting block 19 and drives the lifting block 19 to move downwards, so that the umbrella body is retracted, the umbrella body is prevented from being scratched when the wind is too large, meanwhile, the shaking trigger block 24 is abutted against the shaking block 17 in the descending process, and under the action of the shaking block 17, the shaking trigger block 24 is abutted against the shaking block 17, upset piece 23 takes place the upset again, works as shake trigger block 24 with shake piece 17 when no longer the butt, because the exogenic action that upset piece 23 received, the state before the butt is resumed to upset piece 23, at this in-process because the motion of upset piece 23, through rib bracing piece 13 transmission arrives on the rib 12, cause the shake of umbrella body, thereby in the umbrella of receipts umbrella in-process dirt such as the fallen leaves on rib 12 surface or rainwater remain and shake off, strengthened the life of umbrella, reduced the work load of manual maintenance, work as when lift gasbag 18 resumes the state before the inflation, return bar 21 lower extreme with fixed block 32 butt, thereby will magnetic ball 27 resume with the state of magnetic trough 51 actuation magnetism nature, guarantee function normal operating when using next time.

Claims

1. The utility model provides a sand and soil user outer umbrella of conveniently expanding, includes organism (10), its characterized in that: a supporting rod (11) playing a supporting role is fixedly connected to the center of the upper end face of the machine body (10), and an installation block (30) is fixedly connected to the upper end face of the supporting rod (11);

pneumatic device (a 1): the air bag (42) is positioned at the right side of the machine body (10), and when a person steps on the air bag (42), other devices can be driven to start;

fastening means (a 2): the umbrella comprises two fastening rods (35) and a driving mechanism, wherein the lower end of each fastening rod (35) is fixedly connected with a conical fourth connecting rod (36), and when the driving mechanism drives the fastening rods (35) and the fourth connecting rods (36) to move downwards, the fastening rods (35) and the fourth connecting rods (36) are inserted into the ground, so that the umbrella body is more stable and has stronger wind resistance;

protective cleaning device (a 3): the protection cleaning device (A3) is arranged in the supporting rod (11) and can move up and down, the umbrella body can be supported when the protection cleaning device (A3) moves upwards, when wind is strong, the magnetic ball (27) in the protection cleaning device (A3) can be triggered to move downwards, so that gas in the protection cleaning device (A3) is discharged, the umbrella body is collected, the umbrella body is prevented from being lifted by overlarge wind power, and meanwhile, when the protection cleaning device (A3) moves downwards to collect the umbrella body, the protection cleaning device (A3) is matched with the shaking block (17) on the supporting rod (11) to shake, dirt such as fallen leaves or rainwater residues on the umbrella body can be shaken off, the service life of the umbrella body is prolonged, and the maintenance workload of users is reduced.

2. The easy-to-unfold umbrella for outdoor use in sandy soil according to claim 1, wherein: the pneumatic device (A1) comprises a mounting groove (44) arranged in the machine body (10), an air bag mounting plate (41) is fixedly connected in the mounting groove (44), an air bag (42) is fixedly connected on the air bag mounting plate (41), a pedal (43) used for being stepped by a foot of a person is fixedly connected with the air bag (42), a return spring (45) is fixedly connected between the pedal (43) and the air bag mounting plate (41), an air inlet pipe (40) is fixedly connected in the air bag mounting plate (41), the air inlet pipe (40) extends through the machine body (10) and extends out of the side face of the machine body (10), the air inlet pipe (40) is communicated with the space in the air bag (42) and the external space, a one-way valve (39) is fixedly arranged in the air inlet pipe (40), and air can only enter the air bag (42) from the external space through the mounting block (30), a first sliding groove (14) is formed in the supporting rod (11), a fixed block (32) is fixedly connected in the first sliding groove (14), a lifting air bag (18) is fixedly connected to the upper side of the fixed block (32), a pneumatic tube (15) is fixedly connected to the fixed block (32), the pneumatic tube (15) penetrates through the fixed block (32) and the lifting air bag (18), the pneumatic tube (15) extends through the first sliding groove (14) and enters the machine body (10), an exhaust tube (49) is arranged in the pneumatic tube (15) in a communicated manner, the exhaust tube (49) extends through the supporting rod (11) and enters the external space, a threaded cover (48) is connected to the exhaust tube (49) in a threaded manner, the exhaust tube (49) is located in the first sliding groove (14), and a connecting tube (50) is arranged between the pneumatic tube (15) and the air bag (42) in a communicated manner, the connecting pipe (50) is located in the machine body (10).

3. The easy-to-unfold umbrella for outdoor use in sandy soil according to claim 1, wherein: the fastening device (A2) comprises a first sliding block (47) which is slidably connected in the pneumatic pipe (15), a rubber ring is sleeved on the first sliding block (47), the first sliding block (47) and the pneumatic pipe (15) are ensured to have good sealing performance, a first connecting rod (46) is fixedly connected with the first sliding block (47), a fastening groove (33) is arranged in the machine body (10), the first connecting rod (46) extends to penetrate through the pneumatic pipe (15) to enter the fastening groove (33), a second connecting rod (38) is fixedly connected with the first connecting rod (46), two third connecting rods (37) are symmetrically and fixedly connected with the side surface of the second connecting rod (38), two fourth connecting rods (36) are fixedly connected with the lower end surface of the third connecting rods (37), and two fastening rods (35) are symmetrically and fixedly connected with the lower side surface of the fourth connecting rod (36), each fastening rod (35) is fixedly connected with a drill bit (34), and when the device is not operated, the tip of the lower part of the drill bit (34) and the lower side surface of the machine body (10) are in the same horizontal plane.

4. The easy-to-unfold umbrella for outdoor use in sandy soil according to claim 1, wherein: six forward openings and keeping away from direction open-ended upset grooves (31) of the installation piece (30) centre of a circle are evenly seted up along the circumferencial direction in installation piece (30), every it has rib (12), every to articulate in upset groove (31 the middle section of rib (12) articulates there is rib bracing piece (13).

5. The easy-to-unfold umbrella for outdoor use in sandy soil according to claim 1, wherein: the protection cleaning device (A3) comprises six second sliding grooves (16) which are opened to be far away from the circle center of the supporting rod (11) and are uniformly formed in the supporting rod (11) along the circumferential direction, a lifting block (19) is connected to the pneumatic tube (15) in a sliding mode, the lifting block (19) is fixedly connected with the lifting air bag (18), a first air groove (20) is formed in the lifting block (19), the first air groove (20) is communicated with the lifting air bag (18), a magnetic groove (51) is communicated with the upper side of the first air groove (20), the diameter of the magnetic groove (51) is smaller than that of the first air groove (20), six exhaust grooves (29) are uniformly formed in the magnetic groove (51) along the circumferential direction, each exhaust groove (29) communicates the magnetic groove (51) with the corresponding second sliding groove (16), and three V-shaped exhaust grooves (29) are uniformly formed in the upper side of the magnetic groove (51) along the circumferential direction, each air exhaust groove (29) is communicated with the magnetic groove (51), a magnetic ball (27) is magnetically connected in the magnetic groove (51), a L-shaped reset rod (21) is fixedly connected to the lower end face of the magnetic ball (27), the reset rod (21) extends into the lifting air bag (18), two connecting springs (28) are symmetrically and fixedly connected between the magnetic ball (27) and the first air groove (20), the air exhaust groove (29) is separated from and communicated with the magnetic groove (51) when the magnetic ball (27) is in the magnetic groove (51), a hinged short rod (22) is arranged in each second sliding groove (16), each hinged short rod (22) is fixedly connected with the outer side face of the lifting block (19), the hinged short rod (22) is slidably connected with the corresponding second sliding groove (16), and each hinged short rod (22) extends outwards to enter an external space, every articulated quarter butt (22) is kept away from the one end of elevator block (19) articulates there is upset piece (23), every upset piece (23) fixedly connected with arc pole (25), works as upset piece (23) center on upset piece (23) with articulated department of quarter butt (22) overturns, upset piece (23) can drive corresponding arc pole (25) slide in one of them bifurcation of V font, and when upset piece (23) overturns to being close extreme position, the one end of arc pole (25) can with magnetic ball (27) butt, every upset piece (23) are articulated with corresponding rib bracing piece (13), every the lower extreme of upset piece (23) is close to a side fixedly connected with shake trigger block (24) of elevator block (19), shake trigger block (24) are located the corresponding downside of articulated quarter butt (22), the middle section of bracing piece (11) is equidistant fixedly provided with three groups and shakes the piece, and every group shakes the piece and includes along the even fixed setting of circumferencial direction six of bracing piece (11) surface shake piece (17), every shake piece (17) and be located adjacent two between second spout (16) opening, every shake trigger block (24) reciprocate the in-process with correspond shake piece (17) and take place the butt.