JP2931205B2 - umbrella - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an umbrella, and more particularly to an umbrella that is easy to assemble.

[0002]

2. Description of the Related Art FIG. 14 is a schematic view showing the structure of a conventional vinyl umbrella. Referring to FIG. 13, in a conventional vinyl umbrella, lower wheel 102 made of resin is slidably attached to the outer periphery of middle rod 101 made of metal. An upper potter's wheel 103 made of resin is placed on the upper part of the center rod 101.
Are fixedly mounted. One end of a metal receiving bone 104 is rotatably attached to the lower wheel 102 by a wire 109. The other end of the receiving bone 104 is connected to the receiving engagement portion 105b of the
0 is engaged.

One end of a rib 105 is attached to the upper wheel 103 by a wire 111 so as to be rotatable. A sheet 106 made of vinyl is attached so as to cover the whole, and the exposed portion 106a of the sheet 106 is
5 is fitted at the tip. Further, an opening prevention member 112 is attached to the sheet 106. In addition, middle stick 1
A handle 108 made of a resin is attached to the lower end of 01. FIG. 14 shows a state in which the umbrella is opened, and the vertical sliding of the lower wheel 102 is restricted by a lower stopper 107a made of metal and an upper stopper 107b made of resin.

FIG. 15 is an enlarged perspective view of a portion A shown in FIG. 14, FIG. 16 is a plan view of the portion A, and FIG. 17 is a cross-sectional view taken along line XX of FIG. 15 to 1
7, in the conventional umbrella, after the wire 109 is passed through the hole provided at the tip of each receiving bone 104, the wire 1
09 is wound around the groove 102b of the lower wheel 102, so that the receiving bone 104 is rotatably attached to the lower wheel 102. The receiving bone 104 is the groove 102 of the lower wheel 102
a and can be turned up and down. Thus, the lower wheel 102 has the vertical groove 102a and the horizontal groove 102b.

FIG. 18 is an enlarged perspective view of a portion B shown in FIG. 14, FIG. 19 is a sectional view of the portion B, and FIG. 20 is a bottom view of FIG. With reference to FIGS. 18 to 20, conventionally, a wire 111 is passed through a hole provided at a tip of each rib 105, and then the wire is inserted into a groove 103 of a potter's wheel 103.
b, the ribs 105 are put on the potter's wheel 10
3 so as to be rotatable. The tip of the rib bone 105 is inserted into the groove 103a of the upper potter's wheel 103,
The ribs 105 are rotatable vertically along the grooves 103a. Thus, the upper wheel 103 is the wire 111
Has a groove 103b in the horizontal direction in which is wound and a groove 103a in the vertical direction into which the distal end of the rib 105 is inserted.

FIG. 21 is a perspective view showing the receiving bone 104. Referring to FIG. 21, in the conventional umbrella, the end on the side inserted into lower wheel 102 of receiving bone 104 (see FIG. 14) is formed to have a small thickness, and A through hole 104a is formed. In addition, receiving bone 1
The end on the side that engages with the ribs 105 (see FIG. 14) of 04 is U-shaped and has a hole 104 b.

FIG. 22 is a perspective view showing the ribs 105. Referring to FIG. 22, the receiving bone 104 of the main bone 105 (FIG. 1)
4) is formed with a hole 105b. Further, a portion to be engaged with the upper wheel 103 (see FIG. 14) of the main rib 105 is formed so as to be thinner and has a hole 105a. A portion 105c of the rib 105 into which the exposed portion 106a is fitted is formed so as to be thinner than other portions.

[0008]

In the above-mentioned conventional umbrella, in order to rotatably mount the receiving bone 104 with respect to the lower wheel 102, a wire 109 is inserted into the hole 10 of each receiving bone 104.
After passing through wire 4a, the wire 109 is inserted into the groove 1 of the lower wheel 102.
02b. However, such an operation is very complicated, and it has been difficult to simplify the manufacturing process in the related art. As a result, there is a problem that the manufacturing cost increases.

Further, the ribs 105 are attached to the upper wheel 103.
The same operation as when the receiving bone 104 is rotatably attached to the lower wheel 102 is also required when the is rotatably mounted, and it takes a long time for the assembling operation.

Further, in the conventional structure, the engaging portion between the receiving bone 104 and the rib 105 is, as shown in FIG.
10 was passed through 104b and 105b and then caulked at both ends. For this reason, a caulking operation is required, which also complicates the umbrella assembling process.

Furthermore, in the structure of the conventional umbrella, rainwater that has entered from the tip of the umbrella easily reaches the wire 111,
In that case, there is a problem that the wire 111 is corroded. As a result, there is a problem that the strength of the wire 111 is weakened and the wire 111 is easily damaged.

Further, in the conventional vinyl umbrella shown in FIG. 14 in which the vinyl base is used as the sheet 106, when the exposed portion 106a comes off the ribs 105 in a strong wind, for example, the sheet 106 There was a problem that the tip was peeled off. For this reason, there was also a problem that it was difficult to cope with a strong wind with the conventional structure. In addition, the sheet 106 is provided with a separate opening prevention member 1.
12 had to be installed, which also complicated the assembly operation.

As described above, conventionally, assembling is easy,
It has been difficult to provide an umbrella that is structurally stable.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and has as its object to provide an umbrella which is easy to assemble and is structurally stable.

[0015]

An umbrella according to the present invention comprises:
Middle stick, upper wheel, lower wheel, rib, receiving bone,
And a cap. The upper wheel is the tip of the middle bar
Part is fixedly provided, and a plurality of ribs
Has joint. Place the lower wheel on the outer periphery of the middle part of the center rod.
It is provided to be able to ride, and a plurality of bone engaging
Having a part. The rib has a hook shape at one end,
One end of a hook shape including a bone engaging portion at an intermediate portion thereof
By engaging the ribs on the ribs of the
It is rotatably connected to the black. The receiving bone has both ends
One end of which is engaged with the
To be rotatably connected to the potter's wheel, and
The other end is engaged with the rib engaging portion of the
It is pivotally connected to the bone. The seat is the potter's wheel and
It is attached to cover the ribs, and the ribs
The other end is fitted. The cap is on the potter's wheel
It is provided detachably so that the sheet is sandwiched between them.

[0016] Preferably, the umbrella sheet is an EVA film.
Consists of

[0017]

With the umbrella according to the present invention, the umbrella can be lowered as in the prior art.
Swivel and rib can be rotated on the wheel and upper wheel respectively
No wire is required to attach the wire. As a result,
After passing the wire through the hole of the receiving bone and the rib,
It is not necessary to wind the lower and upper wheels in the groove.
This significantly simplifies the assembly operation.

In the present invention, one end of the rib engaged with the rib engaging portion and one end of the rib engaged with the rib engaging portion are both formed.
It has a hook shape on the
The joint work and the joint work between the ribs and
It can be done in business. In addition, the receiving bone that engages with the rib
Since the other end is also in the shape of a hook , caulking work is not required when engaging the rib and the receiving bone as in the related art, which further simplifies the assembling work.

Further, if a detachable cap is provided to sandwich the sheet between the upper wheel and the potter's wheel, even if the exposed portion of the sheet comes off from the leading end of the rib when a strong wind blows, Peeling of the sheet is prevented by the cap. Thereby, an umbrella having a stable structure can be obtained.

In addition, if the lower stopper and the upper stopper for fixing the lower wheel with the umbrella open are integrally formed, the assembling work becomes easier. In addition, if it is configured to further include a hanging / opening prevention member having a fixing portion for fixing the ribs so as not to open in a closed state and a hanging portion for hanging from a predetermined place, the conventional structure is provided. In this way, it is not necessary to attach the opening preventing member to the sheet, which also simplifies the assembly operation.

[0021]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a schematic diagram showing the configuration of an umbrella according to one embodiment of the present invention. Referring to FIG. 1, in the umbrella of this embodiment, all members except sheet 6 are formed of resin. The resin used is ABS resin, PS
(Polystyrene) resin, PP (polypropylene) resin,
PE (polyethylene) resin, PVC (vinyl chloride),
Acrylic resin, PC (polycarbonate) resin, POM
(Polyacetal) resin, nylon (6,66,12)
There are resins and the like. The material of the sheet 6 is PV
C film, PP film, PE film, OPP film, nylon film, EVA film, OPS film and the like are used.

In the umbrella of this embodiment, the center rod 1
A lower wheel 2 is attached to the outer periphery of the device so as to be vertically slidable. An upper potter's wheel 3 is fixedly attached to the upper part of the center rod 1. One end of the receiving bone 4 is rotatably mounted on the lower wheel 2, and the other end of the receiving bone 4 is mounted so as to engage with a predetermined portion of the rib 5. One end of the rib 5 is rotatably attached to the upper wheel 3. The other end of the rib 5 is fitted with the tip 6a of the sheet 6. The upper part of the upper wheel 3 has a sheet 6 between the upper wheel 3 and the upper wheel.
The removable cap 10 is attached so as to sandwich the cap. A grip 8 is attached to the lower end of the center rod 1.
Opening prevention / hanging portion 9 is provided on the upper outer peripheral portion of grip portion 8.
Is inserted. Also, with the umbrella open,
A lower stopper 7a and an upper stopper 7b are provided for restricting the vertical movement of the upper and lower parts.

FIG. 2 is an enlarged perspective view for explaining details of the vicinity of the lower wheel 2 shown in FIG. FIG. 3 is a plan view of the lower potter's wheel 2, and FIG. 4 is a cross-sectional view taken along the line XX shown in FIG. FIG. 5 is a perspective view showing the receiving bone 4. With reference to FIGS. 2 to 5, in this embodiment,
The receiving bone 4 is turned on the lower wheel 2 by engaging the receiving engaging portion 2a provided on the lower wheel 2 with the lower wheel engaging portion 4a of the receiving bone 4 having a hook shape. Mounted movably.

With this configuration, FIG.
It is not necessary to use a wire to engage the lower wheel 2 and the receiving bone 4 as in the conventional umbrella shown in FIG. 1, and as a result, the wire that has been conventionally used is inserted into the hole provided in each receiving bone. After the thread is passed, the operation of winding the wire around the groove provided on the lower wheel becomes unnecessary. As a result, there is an effect that the assembling operation can be significantly simplified.

In other words, in the present embodiment, the lower wheel 2 is simply engaged with the lower wheel engaging portion 4a of the lower wheel 2, and the lower wheel 2 is moved to the lower wheel 2. It can be easily mounted rotatably. Thereby, the assembling time can be reduced, and as a result, the manufacturing cost can be reduced. In addition, there is an effect that the number of parts can be reduced because no wire is required.

FIG. 6 is a perspective view near the upper potter's wheel 3 shown in FIG. FIG. 7 is a perspective view of the rib 5 shown in FIG. Referring to FIGS. 6 and 7, in this embodiment, the structure of the upper wheel 3 is basically the same as the structure of the lower wheel 2.
The upper potter's wheel 3 is used with the lower potter's wheel 2 turned upside down.

Specifically, the rib engaging portion 3a of the upper wheel 3
The ribs 5 can be easily and rotatably attached to the upper wheel 3 only by engaging the upper wheel engaging portion 5a of the ribs 5 with the upper wheel. Also in the relationship between the upper wheel 3 and the rib 5, as in the above-described relationship between the lower wheel 2 and the receiving bone 4, the conventionally required wire is not required, and as a result, the assembling work can be significantly simplified. . Further, since no wire is used, it is possible to solve the problem that rainwater adheres to the wire used for the upper potter's wheel as in the prior art, and as a result, the wire is corroded and easily damaged.

Also, in the engagement between the rib 4 and the rib 5, the rib engaging portion 4b of the rib 4 is replaced with the rib engaging portion 5b of the rib 5.
The engagement between the receiving bone 4 and the main rib 5 can be easily performed simply by engaging the receiving bone 4. As a result, the receiving bone 4
It is not necessary to perform a caulking operation when engaging with the rib 5, and as a result, the assembling operation can be simplified. Further, as shown in FIGS. 6 and 7, by providing the upper wheel engaging portion 5a of the rib 5 detachably from the other portion of the rib 5, the upper wheel engaging portion 5a of the rib 5 is provided. When engaging with the rib engaging portion 3a, the engaging operation is completed only by engaging the upper wheel engaging portion 5a alone with the rib engaging portion 3a. Thereby, the assembling work can be made easier.

FIG. 8 is a sectional structural view of the cap 10 shown in FIG. 1, and FIG. 9 is a perspective view of the cap 10. 8 and 9, in the present embodiment, the cap 10
The sheet 6 is sandwiched between the upper wheel 3 and the lower portion of the cap 10 by fitting the hole 10a of the upper wheel 3 into the protrusion 3b of the upper wheel 3 (see FIG. 1). Thus, for example, when a strong wind blows, the exposed portion 6a of the sheet 6 is
Even if the sheet 6 comes off, it is possible to effectively prevent the inconvenience that the sheet 6 is completely peeled off from the umbrella. Thereby, an umbrella having a stable structure can be obtained. Also,
Since the cap 10 can be easily removed, the seat 6 can be easily replaced. Further, when incineration is performed, the sheet 6 can be easily removed, and the sheet 6 made of vinyl and the other part made of resin can be burned separately. As a result, it can be said that the structure is excellent as an environmental measure.

FIG. 10 is a schematic diagram showing the structure of the stopper 7 including the lower stopper 7a and the upper stopper 7b shown in FIG. FIG. 11 is a schematic view showing a state in which the stopper 7 shown in FIG. FIG.
With reference to FIG. 0 and FIG. 11, in the present embodiment, the lower stopper 7a and the upper stopper 7b are integrally formed of resin as described above, whereby the assembling work can be further simplified as compared with the related art.

FIG. 12 is a schematic perspective view of the hanging prevention / hanging portion shown in FIG. Referring to FIG. 12, in the present embodiment, by providing opening prevention / combination hanging portion 9 including hanging portion 9 a and opening preventing portion 9 b, it is not necessary to attach an opening preventing member to sheet 6 as in the related art. . Thereby, the assembling work can be further simplified. Normally, as shown in FIG.
To the outer periphery of the upper part. When the umbrella is closed, it is used in a state as shown in FIG.

[0033]

As described above , according to the present invention, the wire conventionally used for engaging the lower wheel and the upper wheel with the receiving bone and the rib is unnecessary, and as a result, the assembling work is greatly simplified. be able to. In addition, since no wire is used, there is no inconvenience that rainwater adheres to the wire and the wire is corroded and easily damaged. In addition, one end of the receiving bone and one end of the rib are both hook-shaped .
In, it is possible to perform the engagement work of the engagement work and the upper runner and ribs of the lower runner and the stretcher more easily. Also, the other end of the receiving bone that engages with the rib is shaped like a hook.
Thus, the assembling operation can be similarly simplified. Also,
If it is configured to further include a cap that is detachably provided so as to sandwich the sheet between the upper wheel and the potter's wheel, for example, even if the exposed portion of the sheet comes off the ribs due to a strong wind, the inconvenience that the entire sheet is peeled off is removed. Can be prevented by Further, since the cap is removable, the seat can be easily replaced. In addition, if the lower stopper and the upper stopper for fixing the lower potter's wheel in the opened state are integrally formed, an effect that the assembling work becomes easier can be obtained. Furthermore, if a hanging / opening prevention member having a fixing portion for fixing the ribs so as not to be opened in a closed state and a hanging portion for hanging from a predetermined place is further provided, as in the conventional case, Therefore, it is not necessary to attach an opening preventing member to the sheet, and as a result, the effect that the assembling work becomes easy can be obtained.

[Brief description of the drawings]

FIG. 1 is a schematic view illustrating an umbrella according to an embodiment of the present invention.

FIG. 2 is a perspective view showing the vicinity of a lower wheel of the umbrella of the embodiment shown in FIG. 1;

FIG. 3 is a plan view of the lower wheel shown in FIG. 1;

FIG. 4 is a cross-sectional view of the lower part shown in FIG. 3 along the line XX.

FIG. 5 is a perspective view of the receiving bone shown in FIG. 1;

FIG. 6 is a perspective view of the vicinity of an upper wheel shown in FIG. 1;

FIG. 7 is a perspective view of the rib shown in FIG. 1;

FIG. 8 is a sectional view of the cap shown in FIG. 1;

FIG. 9 is a perspective view of the cap shown in FIG. 8;

FIG. 10 is a schematic view of a lower stopper and an upper stopper shown in FIG. 1;

FIG. 11 is a schematic view showing a state where the lower stopper and the upper stopper shown in FIG. 10 are inserted into a center rod.

FIG. 12 is a perspective view of an opening prevention / hanging portion shown in FIG. 1;

FIG. 13 is a perspective view showing a state where the umbrella of the embodiment shown in FIG. 1 is closed.

FIG. 14 is a schematic view showing a conventional vinyl umbrella.

15 is a perspective view of a portion A shown in FIG.

16 is a plan view of a portion A shown in FIG.

FIG. 17 is a sectional view taken along the line XX shown in FIG. 16;

18 is a perspective view of a portion B shown in FIG.

19 is a sectional view of a portion B shown in FIG.

20 is a bottom view of a portion B shown in FIG.

FIG. 21 is a perspective view of the conventional receiving bone shown in FIG. 14;

FIG. 22 is a perspective view of the conventional rib shown in FIG. 14;

FIG. 23 is a perspective view for explaining a conventional engagement state between a receiving bone and a rib.

[Explanation of symbols]

 1: Middle rod 2: Lower pottery 3: Upper potter's wheel 4: Receiving bone 5: Main rib 6: Sheet 7a: Lower stopper 7b: Upper stopper 8: Grip section 9: Opening prevention / hanging section 10: Cap In each figure , The same symbols indicate the same or corresponding parts.

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁶ , DB name) A45B 9/04 A45B 15/00 A45B 25/06 A45B 25/12

Claims (2)

(57) [Claims] 1. A center rod, and a fixed portion provided at a tip end portion of the center rod, and a predetermined portion thereof
An upper potter's wheel having a plurality of ribs engaging portions, and slidably provided on an outer periphery of an intermediate portion of the middle rod,
A lower wheel having a plurality of bone engaging portions at a predetermined portion thereof, one end of which has a hook shape;
Including the joint, one end of the hook shape
The upper wheel can be turned by engaging the engaging portion.
The ribs connected to each other and both ends have a hook shape, and one end is
The lower wheel is rotated by engaging with the bone engaging portion.
Movably connected and the other end of the rib receiving portion of the rib
Rotatably connected to the rib by engaging
Attached to cover the upper wheel and the ribs,
The other end of the rib is fitted into the tip of the tip.
Detachable so as to sandwich the sheet between the seat and the upper wheel
An umbrella comprising a cap provided on the umbrella. 2. The umbrella according to claim 1, wherein said sheet is made of an EVA film.