CN111329197A

CN111329197A - Self-standing umbrella

Info

Publication number: CN111329197A
Application number: CN202010205894.3A
Authority: CN
Inventors: 范儒文
Original assignee: Dongguan Huma Trading Co ltd
Current assignee: Dongguan Huma Trading Co ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-06-26

Abstract

The invention discloses a self-standing umbrella which comprises an umbrella body, wherein the umbrella body comprises a central support rod, the lower end of the central support rod is inserted and fixed on a circular table, a hinge seat is fixed on the lower bottom surface of the circular table, two first support arms capable of being turned back and forth are hinged on the hinge seat, the two first support arms are arranged in a central symmetry mode, a fan-shaped groove is formed in the lower end of each first support arm, a second support arm capable of being turned left and right is hinged in the fan-shaped groove, a first support rod is fixed at the bottom end of each first support arm, a second support rod is fixed at the bottom end of each second support arm, the two first support arms and the two second support arms are arranged in a sleeve, inner wall threads are formed at the upper end of the sleeve, outer wall threads are formed on the outer wall of the circular. The umbrella can stand on the ground by opening the first support arm and the second support arm, so that the problem of placing the umbrella is solved.

Description

Self-standing umbrella

The technical field is as follows:

the invention relates to the technical field of umbrellas, in particular to a self-supporting umbrella.

Background art:

the history of using the umbrella by people is very long, and the umbrella can be used in fine days or rainy days, so that the probability of using the umbrella in daily life of people is proved to be not high, and the necessity of possessing a proper and excellent umbrella is ensured; however, the umbrella has to be held smoothly in addition to certain strength, so that the requirements of consumers can be met; in the use of umbrellas, the problem of umbrella placement is often annoying to consumers.

The invention content is as follows:

the invention aims to overcome the defects of the prior art and provide a self-supporting umbrella which can be self-supported on the ground by opening a first support arm and a second support arm, so that the problem of umbrella placement is solved.

The utility model provides a but stand by oneself parachute kit, includes the parachute kit, the parachute kit includes central vaulting pole, the lower extreme plug bush of central vaulting pole is fixed on the round platform, and the lower bottom surface of round platform is fixed with articulated seat, and articulated on the articulated seat have two first support arms that can overturn around, and two first support arm centrosymmetries set up, and the lower extreme shaping of first support arm has the sector groove, and the articulated second support arm that has the upset about can that has in the sector groove, the bottom mounting of first support arm has first branch, and the bottom mounting of second support arm has second branch, two in the cover pipe is arranged in to first support arm and second support arm, and the shaping of sheathed tube upper end has the inner wall screw thread, and the shaping has the outer wall screw thread on the outer wall of round platform, the sleeve pipe spiro.

The hinge seat is provided with a bearing hole which penetrates in the left-right direction in a forming mode, a first bearing is fixedly arranged in the bearing hole, a taper hole with a large outer part and a small inner part is formed in the upper end of the first support arm, a frustum is sleeved in the taper hole, a mandrel is formed at the inner end of the frustum, and the mandrel is sleeved and fixed on an inner ring of the first bearing.

And an arc-shaped outer wall matched with the outer wall of the first support arm is formed on the outer wall of the frustum.

The first bearing is a double-row angular contact ball bearing.

The second support arm is formed with a second taper hole with a large outer part and a small inner part, the second taper hole is internally sleeved with a second taper platform, the inner end of the second taper platform is formed with a second mandrel, and the second mandrel is hinged in the fan-shaped groove of the corresponding first support arm through a bearing.

And a second arc-shaped outer wall matched with the outer wall of the first support arm is formed on the outer wall of the second frustum.

A triangular stop block is fixed on the upper side wall of the fan-shaped groove, and the second support arm is pressed against the triangular stop block after being overturned around the first support arm; an arc-shaped groove is formed in the inner wall of the upper end of one of the first support arms, a round rod is fixed to one side of the inner wall of the upper end of the other first support arm, and the round rod is inserted in the arc-shaped groove.

And hemispherical heads are formed on the outer wall of the bottom end of the first supporting rod and the outer wall of the bottom end of the second supporting rod (26).

The invention has the following outstanding effects: compared with the prior art, the umbrella can stand on the ground by opening the first support arm and the second support arm, and the problem of placing the umbrella is solved.

Description of the drawings:

FIG. 1 is a schematic view of the umbrella of the present invention in use;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a cross-sectional view of FIG. 2 taken about B-B;

FIG. 4 is a schematic structural view of the present invention with the sleeve hidden and self-standing;

FIG. 5 is a partial enlarged view of FIG. 4 about C;

FIG. 6 is a front view of FIG. 5 (with the lower section representing the ground plane);

fig. 7 is a cross-sectional view of fig. 6 taken about D-D.

The specific implementation mode is as follows:

in an embodiment, as shown in fig. 1 to 7, a self-standing umbrella includes an umbrella 1, the umbrella 1 includes a central support rod 11, a lower end of the central support rod 11 is inserted and fixed on a circular truncated cone 21, a hinge base 22 is fixed on a lower bottom surface of the circular truncated cone 21, two first arms 23 capable of being turned back and forth are hinged on the hinge base 22, the two first arms 23 are arranged in a central symmetry manner, a sector groove 231 is formed at a lower end of the first arm 23, a second arm 24 capable of being turned left and right is hinged in the sector groove 231, a first support rod 25 is fixed at a bottom end of the first arm 23, a second support rod 26 is fixed at a bottom end of the second arm 24, the two first arms 23 and the second arm 24 are arranged in a sleeve 34, an inner wall thread is formed at an upper end of the sleeve 34, an outer wall thread is formed on an outer wall of the circular truncated cone 21, and the sleeve 34 is screwed on the circular truncated.

Furthermore, a bearing hole penetrating in the left-right direction is formed in the hinge seat 22, a first bearing 27 is fixed in the bearing hole, a taper hole with a large outer part and a small inner part is formed in the upper end of the first support arm 23, a frustum 28 is sleeved in the taper hole 231, a mandrel 281 is formed at the inner end of the frustum 28, and the mandrel 281 is inserted and fixed on the inner ring of the first bearing 27.

Further, the outer wall of the frustum 28 is formed with an arc-shaped outer wall 282 which is matched with the outer wall of the first arm 23.

More specifically, the first bearing 27 is a double row angular contact ball bearing.

Furthermore, a second taper hole with a large outer part and a small inner part is formed on the second arm 24, a second cone 29 is sleeved in the second taper hole, a second spindle 291 is formed at the inner end of the second cone 29, and the second spindle 291 is hinged in the corresponding sector groove 231 of the first arm 23 through a bearing 30.

Further, the outer wall of the second cone 29 is formed with a second curved outer wall 292 which is matched with the outer wall of the first arm 23.

Furthermore, a triangular stop 31 is fixed on the upper side wall of the sector groove 231, and when the second arm 24 is turned around the first arm 23, the second arm presses against the triangular stop 31; an arc-shaped groove 202 is formed on the inner wall of the upper end of one of the first support arms 23, a round rod 32 is fixed on one side of the inner wall of the upper end of the other first support arm 23, and the round rod 32 is inserted in the arc-shaped groove 202.

Furthermore, the outer wall of the bottom end of the first strut 25 and the outer wall of the bottom end of the second strut 26 are formed with hemispherical heads 201.

The working principle is as follows: when the umbrella is used, the umbrella can be used by holding the sleeve 34 by hand as shown in the state of figure 1; when the umbrella needs to be placed on the ground, the sleeve 34 is rotated, the sleeve 34 moves upwards, the first support arm 23 and the second support arm 24 are separated from the constraint of the sleeve 34, the two first support arms are turned over in the front-back direction in an opposite way, and the opening angle of the two first support arms can be limited through the action of the round rod 32 and the arc-shaped groove 202; the two second support arms are turned in the left-right direction, the triangular stop block 31 can limit the opening angle of the second support arms, and at the moment, the umbrella is placed on the ground as shown in fig. 4, so that the umbrella can be placed in a self-standing mode.

Finally, the above embodiments are only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the scope of the present invention should be defined by the claims.

Claims

1. A free-standing umbrella comprising an umbrella (1), said umbrella (1) comprising a central pole (11), characterized in that: the lower extreme plug bush of center vaulting pole (11) is fixed on round platform (21), the lower bottom surface of round platform (21) is fixed with articulated seat (22), articulated have two first support arm (23) that can overturn around articulated on articulated seat (22), two first support arm (23) centrosymmetry sets up, the lower extreme shaping of first support arm (23) has fan-shaped groove (231), articulated have second support arm (24) that can control the upset in fan-shaped groove (231), the bottom mounting of first support arm (23) has first branch (25), the bottom mounting of second support arm (24) has second branch (26), two in sleeve pipe (34) were arranged in to first support arm (23) and second support arm (24), the upper end shaping of sleeve pipe (34) has the inner wall screw thread, the shaping has the outer wall screw thread on the outer wall of round platform (21), sleeve pipe (34) spiro union is on round platform (21).

2. A free-standing umbrella as claimed in claim 1, wherein: articulated seat (22) are gone up the shaping and are had the dead eye that the left and right directions runs through, and the dead eye internal fixation has first bearing (27), the upper end shaping of first support arm (23) has the taper hole of big-end-up, has cup jointed frustum (28) in taper hole (231), and the inner shaping of frustum (28) has dabber (281), and dabber (281) plug bush is fixed on the inner circle of first bearing (27).

3. A free-standing umbrella as claimed in claim 2, wherein: an arc-shaped outer wall (282) matched with the outer wall of the first support arm (23) is formed on the outer wall of the frustum (28).

4. A free-standing umbrella as claimed in claim 1, wherein: the first bearing (27) is a double-row angular contact ball bearing.

5. A free-standing umbrella as claimed in claim 1, wherein: the second support arm (24) is formed with a second taper hole with a large outside and a small inside, the second taper hole is internally sleeved with a second taper platform (29), the inner end of the second taper platform (29) is formed with a second mandrel (291), and the second mandrel (291) is hinged in the fan-shaped groove (231) of the corresponding first support arm (23) through a bearing (30).

6. A free-standing umbrella as claimed in claim 5, wherein: the outer wall of the second cone platform (29) is formed with a second arc-shaped outer wall (292) matched with the outer wall of the first support arm (23).

7. A free-standing umbrella as claimed in claim 1, wherein: a triangular stop block (31) is fixed on the upper side wall of the fan-shaped groove (231), and when the second support arm (24) is overturned around the first support arm (23), the second support arm is pressed against the triangular stop block (31); an arc-shaped groove (202) is formed in the inner wall of the upper end of one of the first support arms (23), a round rod (32) is fixed to one side of the inner wall of the upper end of the other first support arm (23), and the round rod (32) is inserted in the arc-shaped groove (202).

8. A free-standing umbrella as claimed in claim 1, wherein: and hemispherical heads (201) are formed on the outer walls of the bottom ends of the first supporting rod (25) and the second supporting rod (26).