TW202008915A - Main umbrella rib, main umbrella rib driving rod, main umbrella rib driving device, and umbrella - Google Patents

Abstract

A main umbrella rib, a main umbrella rib driving rod and a main umbrella rib driving device, and an umbrella comprising same. The main umbrella rib comprises: a main body, the main body being in the shape of strips; and a gear portion, the gear portion being located at one tail end of the main body. The main body and the gear portion are fixed together, and the main body is substantially coplanar with the gear portion.

Description

Main rib, main rib driving rod, main rib driving device and umbrella

The invention relates to an accessory of an umbrella; more specifically, the invention relates to an umbrella main rib, a main rib driving rod and a main rib driving device.

Further, the present invention also relates to an umbrella including the main rib, the main rib driving rod or the main rib driving device.

Umbrellas usually include accessories such as umbrella handles, umbrella poles, umbrella bones, umbrella nests, and umbrella surfaces. They are used to provide shade (parasols), shelter from wind and rain (umbrellas), as decorations (craft umbrellas), and provide resistance (parachutes).

In these accessories, the umbrella handle belongs to the grip on the umbrella rod; the umbrella rod is the main skeleton of the entire umbrella, supporting the entire umbrella; the umbrella bone supports the entire umbrella surface, and can usually be folded and unfolded for easy portability; the umbrella nest is The umbrella ribs are folded and unfolded; the umbrella surface is attached to the main umbrella rib and serves as a functional part to provide, for example, but not limited to, sunshade, rain shield, and the like.

FIG. 1 is a schematic diagram of an umbrella stand in the prior art. In FIG. 1, the rib includes a main rib 1, an auxiliary rib 2, and a pull bone 3, which are pivotally connected to the upper nest 4, the middle nest 5, and the lower nest 6, respectively, and are provided between the middle nest 5 and the lower nest 6. Spring 7. Such an umbrella is powered by a spring 7 when it is opened, and requires the user to manually operate the lower nest 6 when it is stowed.

In some additional umbrellas, the lower nest 6, spring 7 and pull bone 3 in the figure may be omitted. At this time, the opening and closing of the umbrella requires manual operation of the lower nest (that is, the middle nest 5 in the figure).

An object of one aspect of the present invention is to provide an improved umbrella main rib.

Another object of the present invention is to provide a main rib driving rod that can cooperate with the above main rib.

Another object of the present invention is to provide a main rib driving device including the main rib and the main rib driving rod.

An object of another aspect of the present invention is to provide an umbrella including the main rib drive device.

In order to achieve the foregoing object, a first aspect of the present invention provides a main rib of an umbrella, characterized in that the main rib includes: a main body, the main body is in a strip shape; and a gear portion, the gear portion is located on one of the main body At the end, the aforementioned main body and the aforementioned gear portion are fixed together, and the aforementioned main body is substantially coplanar with the aforementioned gear portion.

Optionally, in the main rib as described above, the main body and the gear portion are integrally formed, for example, integrally by welding or integrally formed by molding.

Optionally, in the main rib as described above, the main body is tangent to the addendum circle of the gear portion, or the main body is tangent to the addendum circle of the gear portion, or the main body is joined to the The gear part is near the gear shaft hole.

In order to achieve the foregoing object, a second aspect of the present invention provides a main rib drive rod, which is characterized in that one end of the main rib drive rod is surrounded by a multi-period groove on the outer surface, and adjacent aforesaid recesses Between the grooves, a circumferentially extending tooth portion adapted to apply a force in the longitudinal direction of the main rib driving rod when operating the main rib driving rod is formed.

Optionally, in the main rib driving rod described above, the aforementioned groove is a ring groove, and the main rib driving rod has a polygonal or circular cross-section.

Optionally, in the main rib driving rod as described above, the aforementioned groove is a spiral groove, and the main rib driving rod has a circular cross section.

In order to achieve the foregoing object, a third aspect of the present invention provides a main rib drive rod, which is characterized in that one end of the main rib drive rod is formed as a rack, and the rack is used in cooperation with the gear portion of the main rib In order to realize the collection and exhibition of the umbrella.

In order to achieve the foregoing object, a fourth aspect of the present invention provides a main rib drive device, characterized in that the main rib drive device includes the main rib as described in any one of the first aspects, and the main The rib drive device includes the main rib drive rod as described in any one of the second or third aspects.

Optionally, in the main rib driving device as described above, the gear portion engages the groove on the main rib driving rod, and the central axis of the gear portion is perpendicular to the longitudinal direction of the main rib driving rod.

Optionally, in the main rib drive device as described above, the aforementioned main rib drive device further includes a power source, ideally arranged within the umbrella handle.

Optionally, in the main rib drive device described above, the aforementioned power source is a motor, or the aforementioned power source is a manual rack and pinion assembly.

Optionally, in the main rib drive device as described above, the main rib drive device further includes a transmission component adapted to convert the rotational motion output by the power source into the main rib drive rod Linear motion.

Optionally, in the main rib drive device described above, the aforementioned transmission part is a ball screw or a wire rope.

In order to achieve the foregoing object, a fifth aspect of the present invention provides an umbrella characterized in that the umbrella includes the main umbrella bone drive device described in any one of the foregoing fourth aspects.

Optionally, in the umbrella as described above, the umbrella rod of the umbrella includes an outer rod, an upper nest is fixed at the top end of the outer rod or a fixing seat is formed, and the rotating shaft of the gear part is located on the upper nest or The aforementioned fixed seat; and the inner rod, the aforementioned inner rod is the aforementioned main rib driving rod.

Optionally, in the umbrella as described above, the rotating shaft of the gear portion is provided by a pivoting member, such as a metal wire, provided in the inner nest of the upper nest or the fixed seat in the circumferential direction.

1‧‧‧ Main Umbrella

2‧‧‧ Umbrella

3‧‧‧Bone pulling

4‧‧‧Go to the nest

5‧‧‧Zhongchao

6‧‧‧nest

7‧‧‧Spring

10‧‧‧Main umbrella bone

11‧‧‧Main

12‧‧‧Gear Department

20‧‧‧Main Umbrella Drive Rod

21‧‧‧Main

22‧‧‧groove

23‧‧‧Circumferentially extending tooth

30‧‧‧Go to the nest

40‧‧‧Outer pole

50‧‧‧Parasol

60‧‧‧Bone pulling

70‧‧‧Zhongchao

80‧‧‧nest

90‧‧‧Spring

100‧‧‧bearing

110‧‧‧ battery

120‧‧‧Motor

130‧‧‧Transmission rod

140‧‧‧horizontal rack

150‧‧‧Gear

160‧‧‧Rack

With reference to the drawings, the disclosure of the present invention will be more clear. It should be understood that these drawings are for illustrative purposes only, and are not intended to limit the scope of protection of the present invention. In the picture: [Figure 1] is a schematic diagram of an umbrella stand in the prior art.

[Fig. 2] It is a schematic diagram of the main rib of an umbrella according to the present invention.

[FIG. 3] It is a partial schematic view of the main rib driving rod of an umbrella according to the present invention.

[FIG. 4] It is a partial schematic view of a main rib driving device of an umbrella according to the present invention.

[Figure 5] is a schematic diagram of an embodiment of an umbrella according to the present invention.

[Fig. 6] is a schematic diagram of a rack and pinion assembly as a power source in an umbrella according to the present invention.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings. In each drawing, the same drawing symbol indicates the same or corresponding technical feature. The drawings are not drawn to scale and can be used to refer to and understand the technical ideas of the invention in the present invention.

Fig. 2 is a schematic diagram of the main rib of an umbrella according to the present invention.

As can be seen from the figure, the main rib 10 can include a main body 11 and a gear portion 12.

As shown in the figure, the main body 11 of the main rib 10 may have a bar shape. Although shown as straight in the figure, it may be curved and may have some flexibility.

The main rib 10 is suitable for attaching an umbrella cloth for forming an umbrella surface. In an alternative embodiment, the body 11 may be provided with a hole (not shown) suitable for sewing the umbrella cloth and/or a pivot support point (not shown) suitable for pivotally connecting the auxiliary umbrella bone. According to different situations, an umbrella may contain 4 to 20 main ribs, ideally 6 to 10 main ribs, for example 8, so it may have a corresponding number of gear parts. It should be noted that this does not exclude the case where more than one main ribs share a gear part.

In one embodiment, there may be one gear portion 12 on each main rib. Optionally, according to the specific size of the umbrella, the diameter of the addendum circle of the gear portion may be 5-10 mm, such as 7 mm; the thickness of the gear portion may be 1-3 mm, such as 2 mm. The number of teeth of the gear part over the entire circumference may be 6-18, for example, 12. The gear unit with such parameters has a simple and compact structure and is easy to manufacture and install. These dimensional parameters are taken as examples, so the technical means of the present invention are not limited to the above dimensional parameters.

According to the drawing, the gear portion 12 is located at one end of the main body 11, and the main body 11 and the gear portion 12 are fixed together. In an alternative embodiment, the two can be fixed together by other parts, can be welded into one body, or directly formed integrally. For example, the main body 11 and the gear portion 12 may be integrally formed by molding or the like.

The main body 11 is substantially coplanar with the gear portion 12 and lies in the same plane. In an alternative embodiment, the main body 11 may be tangent to the addendum circle of the gear portion 12; alternatively, the main body 11 may be tangential to the addendum circle of the gear portion 12. In some embodiments, it may further be considered to join the main body 11 to the gear portion 12 near the gear shaft hole; it may be connected to the center or edge of the gear portion. Therefore, it can be understood that the gear part here does not need to have a complete gear, but can be a fan-shaped or arc-shaped part of the gear, which can make the structure more compact.

Fig. 3 is a partial schematic view of a main rib driving rod of an umbrella according to the present invention. The main rib drive rod 20 is adapted to cooperate with the main rib 10 in the aforementioned embodiment. The symbol 21 in the figure indicates the main body of the main rib driving rod 20. Only a part of the main body 21 is shown here; since the main rib drive rod 20 is an elongated part, only a part including its top end is shown here, which has a groove 22 at the top suitable for the main umbrella of the umbrella The teeth of the gear portion 12 at the bone cooperate to drive the main umbrella bone to realize the retracting and unfolding of the umbrella. In an alternative embodiment, when the gear portion rotates 90 degrees, the main umbrella bone rotates with it to a fully open state, or approximately horizontal state (when the umbrella pole is upright).

As shown in the figure, one end of the main rib driving rod 20 is surrounded by a multi-period groove 22 on the outer surface, and adjacent grooves 22 are formed to be suitable for operating the main rib driving rod along the main umbrella The teeth 23 are circumferentially extended by the longitudinal force applied by the bone drive rod 20.

In different embodiments, the groove may be a ring groove or a spiral groove.

In the case of a ring groove, by moving the main rib drive rod 20 up and down in the longitudinal direction, the main rib 10 can be retracted and extended by the gear portion 12. In an embodiment employing a ring groove, the main rib drive rod may have a polygonal or circular cross-section. The number of sides of the polygon is suitable for the number of main ribs of the umbrella, which can satisfy that the teeth on each side are respectively engaged with the gear part of one main rib, provide sufficient power, and further reduce the pressure on each gear part. Reduce wear on gears and grooves.

In the case of a spiral groove, by rotating the main rib drive rod 20 in the forward and reverse directions, the gear portion 12 can control the retracting and expansion of the main rib. In the case of using screw grooves, the cross section of the main rib drive rod should be circular, or approximately circular.

When the number of main ribs is large, it may be suitable to select the main rib driving rod to be cylindrical.

In another optional embodiment, the end of the main rib drive rod 20 may be formed as a rack, which cooperates with the gear portion 12 of the main rib 10 to realize the retracting and unfolding of the umbrella. Depending on the number of gear portions 12 distributed over the entire circumference, a corresponding number of racks may be provided or such that the rack has teeth on the side that engage with the gear portion 12 accordingly.

Fig. 4 is a partial schematic view of a main umbrella rib driving device of an umbrella according to the present invention.

As shown in the figure, the main rib driving device includes the aforementioned main rib 10 and the main rib driving device includes the aforementioned main rib driving rod 20. The gear portion 12 can engage the groove 22 on the main rib drive rod, and the central axis of the gear portion 12 is perpendicular to the longitudinal direction of the main rib drive rod.

The figure further shows the upper nest 30 and the outer pole 40 of the umbrella. The upper nest 30 is fixed on the outer rod 40 and is used to provide a rotating shaft for the gear portion of the main rib 10. Specifically, a wire (not shown) may be threaded in the upper nest 30 in the circumferential direction as a rotating shaft of the gear portion.

In another embodiment, a fixed seat (not shown) may be formed near the end of the outer rod 40, and the gear portion 12 may be installed in the fixed seat of the outer rod 40, that is, the gear portion 12 is placed in the fixed seat, using a wire For example, a steel wire or an iron wire passes through the shaft hole of the gear part to align the hole of the fixing seat with the shaft hole of the gear seat. After the metal wire passes through each hole to fix each gear part, the metal wire is tightly wound.

The main umbrella-bar driving rod 20 in the figure is located on the outer rod 40. As the inner rod, in different embodiments, it can slide or rotate in the outer rod respectively. A bearing (see FIG. 5) may be provided between the inner rod and the outer rod to support the main umbrella-bar drive rod 20 in the outer rod 40.

The main umbrella bone driving device may further include a power source, ideally arranged in the umbrella handle, which will be described in detail in conjunction with FIG. 5 below. The power source may be a motor, or the power source may be a manual rack and pinion assembly. As shown in FIG. 6, an example of the rack and pinion assembly is that by driving the horizontal rack 140 to drive the gear 150 to rotate, an internal gear (not shown) will drive the vertical rack 160 to move up and down. The vertical rack 160 can be directly connected to the main rib 10 or connected to the main rib drive rod 20 to drive the gear portion 12, and the umbrella surface can be expanded and retracted.

The main rib drive device further includes a transmission component, such as a ball screw, and the transmission component is adapted to convert the rotary motion output by the power source into a linear motion of the main rib drive rod.

5 is a schematic diagram of an embodiment of an umbrella according to the present invention.

FIG. 5 schematically shows the main rib 10, the auxiliary rib 50, and the pull 60 in the umbrella, as well as the upper nest 30, the middle nest 70, the lower nest 80, and the spring 90 between the middle nest and the lower nest. The inner rod is the bearing 100 between the main rib drive rod 20 and the outer rod 40, the battery 110 in the umbrella handle, the motor 120 and the transmission rod 130, the output shaft of the motor 120 drives the transmission rod 130 to rotate, and the transmission rod 130 is The screw is connected to one end of the inner rod, which converts the rotary motion into the linear movement of the main umbrella-bar driving rod.

In an alternative embodiment, the end of the transmission rod 130 has an external thread, and the corresponding end of the inner rod, that is, the main rib drive rod is a sleeve with an internal thread. The external threaded end of the transmission rod 130 can be engaged in the sleeve Inside the barrel, when the two rotate with each other, there will be a longitudinal displacement to achieve the telescopic effect of the main umbrella bar driving rod.

It can be seen that in this embodiment, the umbrella pole of the umbrella may include an outer pole 40 and an inner pole. The upper nest 30 is fixed at the top end of the outer rod 40, and the rotating shaft of the gear portion is located at the upper nest 30. The inner rod is the main umbrella bone drive rod 20. The rotating shaft of the gear part is provided by a pivoting member such as a metal wire provided in the inner circumference of the upper nest 30.

The umbrella handle can be provided with an up button and a downward ammonium button.

When the push button is pressed up, the motor 120 starts, driving the transmission rod 130 to rotate, and the transmission rod 130 pulls the main rib drive rod 20 downward by a screw such as a screw, and the groove 22 is connected to the gear portion 12, and the gear portion 12 rotates , The main umbrella bone is raised, and the umbrella is opened.

When the umbrella is opened, the spring 90 can assist in pushing up the main and auxiliary ribs of the umbrella, but there is no need for the spring to be too thick, only some pushing force is needed, because there will be When a force is closed, the spring 90 can neutralize the force, and also reduce the torsional force of the motor, so that the motor and the spring can work together to open the umbrella.

The operation of collecting umbrella is the opposite. When the down button is pressed, the motor starts and rotates in the reverse direction, the transmission rod 130 rotates, the main rib drive rod 20 is pushed upward by the screw, and the gear portion 12 is driven by the groove 22, and the gear portion 12 rotates in the opposite direction , The main umbrella bone hangs down, and the umbrella is put away.

In such an embodiment, when the umbrella is fully propped up and fully retracted, the required push-pull process of the main rib drive rod 20 is very short, and the operation is very fast.

In an alternative embodiment, the umbrella may also be a folding umbrella, and the pull bone 60, the spring 90, the lower nest 80, etc. may not be provided.

The transmission rod 130 in the embodiment of FIG. 5 can be omitted, and the main umbrella-bar drive rod 20 is pulled by a wire rope or the like. When the motor is started, the wire rope can be pulled to realize the umbrella collection or the umbrella opening. In another embodiment, a wire rope can be connected to the main umbrella-bar driving rod 20, a hole is opened at the top thereof, the wire rope is inserted into it, and the wire rope is connected to the motor. When the motor is started, the wire rope is pulled, Put the umbrella away, and when you loosen the cord, you open the umbrella. Understandably, when the motor is used to drive the wire rope, the motor can be positioned laterally, the wire rope is wound on the motor shaft, and the wire rope can be retracted when the motor rotates.

In another alternative embodiment, a screw (or screw) transmission between the transmission rod 130 and the main rib drive rod 20 may not be used, and the connection between the top gear portion and the groove remains unchanged. The connection between the main rib drive rod 20 The bottom rack is directly connected to the motor with a gear. When the motor rotates, the gear is driven to rotate, and at the same time, the bottom rack is pulled down, and the top rack is pulled down at the same time. The top gear rotates to open the umbrella. The umbrella was put away in the opposite direction.

The technical scope of the present invention is not limited to the content in the above description. Those with ordinary knowledge in the technical field can make various modifications and changes to the above-mentioned embodiments without departing from the technical idea of the present invention. Modifications should fall within the scope of the present invention.

10‧‧‧Main umbrella bone

11‧‧‧Main

12‧‧‧Gear Department

Claims (16)

A main rib of an umbrella, characterized in that the main rib includes: a main body, the main body is in a strip shape; and a gear part, the gear part is located at one end of the main body, the main body and the gear part are fixed together, And the main body is substantially coplanar with the gear portion. The main rib as described in item 1 of the patent application range, wherein the main body and the gear part are integrally formed, for example, integrally by welding or integrally formed by molding. The main rib as described in item 1 or 2 of the patent application scope, wherein the main body is tangent to the addendum circle of the gear part, or the main body is tangent to the dedendum circle of the gear part, or the main body It is joined to the aforementioned gear portion near the gear shaft hole. A main rib driving rod is characterized in that one end of the main rib driving rod is surrounded by a multi-period groove on the outer surface, and adjacent grooves are formed between the adjacent grooves to be suitable for operating the main rib When the lever is driven, the tooth portion extends circumferentially along the longitudinal direction of the aforementioned main rib drive lever. The main rib driving rod as described in item 4 of the patent application range, wherein the groove is a ring groove, and the main rib driving rod has a polygonal or circular cross section. The main rib driving rod as described in item 4 of the patent application range, wherein the groove is a spiral groove, and the main rib driving rod has a circular cross section. A main rib driving rod is characterized in that one end of the main rib driving rod is formed as a rack, and the rack is coupled with a gear portion of the main rib to realize the retracting and unfolding of the umbrella. A main rib drive device, characterized in that the main rib drive device includes the main rib as described in any one of items 1 to 3 of the aforementioned patent application, and the main rib drive device includes the foregoing The main rib drive rod described in any of items 4 to 7 of the patent application. The main rib drive device as described in item 8 of the patent application range, wherein the gear part engages a groove or rack on the main rib drive bar, and the central axis of the gear part and the main rib drive bar Vertical to vertical. The main umbrella rib drive device as described in item 8 of the patent application range, wherein the main umbrella rib drive device further includes a power source, and is ideally arranged in the umbrella handle. The main rib drive device as described in item 10 of the patent application range, wherein the power source is a motor, or the power source is a manual rack and pinion assembly. The main rib drive device as described in item 11 of the patent application range, wherein the main rib drive device further includes a transmission component adapted to convert the rotational motion output by the power source into the main rib drive rod Linear motion. The main rib drive device as described in item 12 of the patent application scope, wherein the aforementioned transmission part is a screw or a wire rope. An umbrella is characterized in that the umbrella includes the main umbrella bone driving device described in any one of items 8 to 13 of the aforementioned patent application. The umbrella as described in item 14 of the patent application scope, wherein the umbrella rod of the umbrella includes an outer rod, an upper nest or a fixed seat is formed at a tip of the outer rod, and a rotating shaft of the gear part is located in the upper nest Or the aforementioned fixed seat; and the inner rod, the aforementioned inner rod is the aforementioned main rib driving rod. According to the umbrella described in item 15 of the patent application scope, the rotation shaft of the gear part is provided by a pivoting member, such as a metal wire, provided in the inner periphery of the upper nest or the fixing seat.

Images