KR101042580B1 - Electrically operating multistage stick - Google Patents

Abstract

The present invention relates to an electric multi-stage stick, comprising a handle portion in which a motor, a battery and a switch are installed, an upper connection tube fixedly coupled to the handle portion, one or more lower connection tubes inserted into the upper connection tube, and a ground portion. Composed of a worm and a single pulley is coupled to the rotating shaft of the motor, the corresponding worm wheel is mounted to the worm, the extension pulley is coupled to the worm wheel rotation shaft, the wire coupled to the short pulley according to the rotation of the motor pulls the ground of the stick The present invention relates to an electric multi-stage stick capable of shortening the length and extending the length of the stick by pulling down the upper portion of the lower connection pipe through the redirection pulley provided at the lower portion of the connection pipe.

According to the present invention, the length of the stick during outdoor activities such as mountaineering can be easily stretched by simply operating the switch to provide a convenient advantage, and the length of the stick is reduced by the pressure applied to the ground using the worm gear There are advantages.

Stick, Electric, Worm Gear, Pulley, Wire

Description

Electric multistage stick

The present invention relates to an electric multi-stage stick, and more specifically, a battery, a motor, a switch is built in the handle portion, the upper connector pipe is fixed to the handle portion, the lower connector pipe is inserted into the upper connector in order, and the ground It is configured to include a ground in contact with, and relates to an electric multi-stage stick that can extend or shorten the length of the stick by the action of the pulley and the wire in accordance with the rotation direction of the motor.

Climbing or sporting sticks come in various forms. There are skis, mountaineering, etc. There are one-stage sticks whose length can't be adjusted.

In particular, in the case of the stick for climbing, it is often convenient to adjust the length of the stick according to the hiking path, and many types of multi-stage sticks are sold for this purpose. However, most of these multi-stage sticks are mostly in the form of loosening the joints between the stages and adjusting the length and then tightening the joints whenever the length adjustment is necessary. The problem with the manual multi-stage stick is that it is quite cumbersome during exercise such as climbing, which requires frequent adjustment of the length, and if the stick is continuously impacted, the length of the stick is often shortened or the coupling part is broken.

Electric sticks have been introduced to solve the problems of the manual multi-stage stick, but this also does not completely solve the problem of the manual stick, and the length of the stick is shortened or damaged by the impact on the stick. It is happening a lot.

The present invention is fixed to the upper connecting pipe to the handle portion in which the motor, the battery and the switch is installed in order to solve the above problems, and provided with a lower connecting pipe inserted into the upper connecting pipe in turn, pulley according to the rotation direction of the motor By adjusting the length of the stick using the wire and the wire, by transmitting the power of the motor to the pulley by the worm gear, the power of the motor can be transferred to the pulley, but the motor is not rotated by the force applied to the pulley to the ground It is an object of the present invention to provide an electric multi-stage stick that can be easily adjusted to a desired length so that the length of the stick is not shortened even with the continuous impact applied.

Electric multi-stage stick according to the present invention, the handle portion is formed inside the space, the upper connection pipe is fixedly coupled to the handle portion, one or more lower connection pipes inserted in turn in the upper connection pipe and the lower connection pipe of the lower connection pipe It is configured to include a ground coupled to the front end, the space portion of the handle portion has a motor, a battery and a switch is installed, the worm is coupled to the rotary shaft of the motor and the short axis pulley is coupled to the tip of the rotary shaft, corresponding to the worm A worm wheel is provided, One or more extension pulleys are coupled to the worm wheel rotation shaft, and the wire coupled to the extension pulley is coupled to a wire fixing part formed at an upper end of the lower connection pipe, and the wire coupled to the single axis pulley is grounded. It is coupled to the upper portion of the part characterized in that it can extend or shorten the length of the stick according to the rotation direction of the motor .

In this case, the lower connection pipe of the electric multi-stage stick according to the present invention includes a first lower connection pipe inserted into the upper connection pipe and a second lower connection inserted into the first lower connection pipe and coupled with a ground part at the front end. Consists of a pipe, the extension pulley is composed of a first pulley and a second pulley, the wire coupled to the first extension pulley is the first through the first turn pulley provided in the inner lower end of the upper connection pipe The wire is coupled to the wire fixing portion of the lower connection pipe, the wire coupled to the second extension pulley is connected to the wire of the second lower connection pipe via a second turning pulley provided on the inner lower end of the first lower connection pipe. Coupled to the top, the wire coupled to the short pulley is characterized in that coupled to the upper portion of the ground through the adjacent turning pulley.

In addition, a guide rail is formed on an inner side surface of the upper connection pipe and the first lower connection pipe, and a guide groove corresponding to the guide rail is formed on the outer side surfaces of the first lower connection pipe and the second lower connection pipe. It features.

The switch may be partially exposed to the outside of the handle to adjust the rotational direction of the motor according to the operation of the switch.

The electric multi-stage stick according to the present invention uses a structure of a conventional multi-stage stick into which the multi-stage connector is inserted, and transfers the force to the lower connector by the pulley and the wire by using a motor to move the lower connector to the length of the stick. Can be elongated or shortened. Therefore, the length of the stick can be adjusted by a simple operation of the switch, thereby providing convenience in use as compared to the conventional manual multi-stage stick.

The electric multi-stage stick according to the present invention uses a worm gear in transmitting power from the motor to the pulley. In the worm gear, the power is transmitted from the worm to the worm wheel, but the power is not transmitted from the worm wheel to the worm. Therefore, the motor can sufficiently transmit the force to the pulley even with a small force, there is an advantageous effect that the length of the stick is maintained as it does not rotate when the force is applied through the ground portion.

The terms or words used in this specification and claims are not to be construed as limiting in their usual or dictionary meanings, and the inventors may appropriately define the concept of terms in order to best explain their invention in the best way possible. It should be interpreted as meaning and concept corresponding to the technical idea of the present invention based on the principle that the present invention.

Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations. Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of an electric multi-stage stick according to the present invention, and FIGS. 2 and 3 are A-A longitudinal cross-sectional views of the electric multi-stage stick according to the present invention. Figure 2 is a case where the wire is not bonded, Figure 3 is a case where the wire is bonded. 4 is a cross-sectional view B-B of the electric multi-stage stick according to the present invention.

As shown in FIG. 1, the electric multi-stage stick 100 according to the present invention includes a handle 140, an upper connection pipe 150, one or more lower connection pipes, and a grounding part 175. As shown in FIG. 2 and FIG. 3, the handle 140 includes a motor 120, a battery 110, and a switch 130. The motor 120, the battery 110, and the switch 130 are interconnected to allow current to flow, and according to the operation of the switch 130, the motor 120 may be in any one of forward rotation, reverse rotation, and stop. do.

Although not shown in the drawings, the battery 110 may be built in the handle 140, but may be designed to be replaced by opening a part of the handle 140. Motor 120 is installed in the space portion of the handle portion 140, it is firmly fixed so as not to shake. The switch 130 is preferably exposed to the outside of the handle portion 140 to be operable at any time.

Although the handle portion 140 is illustrated as a straight handle in the drawing, it is obvious that the technical idea according to the present invention may be applied to the T-shaped handle.

The worm 122 is coupled to the rotating shaft 121 of the motor 120, and the single axis pulley 125c is fixedly coupled to the front end of the rotating shaft 121. A wire 126a is wound around the short axis pulley 125c, and is wound and released in accordance with the rotation direction of the short axis pulley 125c. Adjacent to the single pulley 125c, the direction change pulley 125d is installed so that the wire 126a is stably wound on the single pulley 125c in a state in which the wire 126a is coupled to the connection ring 174 on the upper portion of the ground portion 175. It is desirable to be able to loosen. When the short pulley 125c is rotated to wind the wire 126a, the length of the stick may be shortened by pulling up the ground portion 175.

The worm gear is composed of a worm 122 and a worm wheel 123, the worm wheel 123 corresponding to the worm 122 is installed to receive power by the worm 122. The worm wheel rotation shaft 124 is coupled to the center of the worm wheel 123, the worm wheel rotation shaft 124 is preferably provided to have the same length with respect to the worm wheel 123. The worm wheel rotation shaft 124 is symmetrically coupled to the extension pulley. The stretch pulley is preferably provided in the same number as the number of the lower connection tube. 2 and 3 it can be seen that the extension pulley is coupled to the position where the two pairs are symmetrical.

The upper connection pipe 150 is fixedly coupled to the lower portion of the handle 140. One or more lower connection tubes are inserted below the upper connection tube 150. The number of lower connection tubes is not limited, but the number can be adjusted according to the use of the stick. As shown in the figure is composed of two first lower connection pipes 160, which are directly inserted into the upper connection pipe 150, and two second lower connection pipes 170 that are inserted into the first lower connection pipe 160. desirable.

A pair of first diverting pulleys 153 and second diverting pulleys 163 are installed at lower ends of the upper connection pipe 150 and the first lower connection pipe 160, respectively. The turning pulley 125d serves to change the direction of the wire. Wire fixing parts 164 and 172 are formed at upper ends of the first lower connection pipe 160 and the second lower connection pipe 170.

As shown in the drawing, the extension pulley is composed of a first extension pulley 125b and a second extension pulley 125a, and a wire 126c wound on the first extension pulley 125b is formed inside the upper connector pipe 150. Along the first turn pulley 153 is wound along the wire fixing portion 164 of the first lower connection pipe 160, the wire 126b wound on the second extension pulley 125a is the upper connection pipe ( It is wound around the inside of the 150 and the first lower connecting pipe 160, the second turning pulley 163 is coupled to the wire fixing portion 172 of the second lower connecting pipe 170.

When the worm wheel 123 is rotated by receiving power from the worm 122, the first extension pulley 125b and the second extension pulley 125a mounted on the worm wheel 123 rotate to wind the wires 126b and 126c. The lower wires 126b and 126c pull down the first lower connecting pipe 160 and the second lower connecting pipe 170 to extend the length of the stick.

Guide rails 152 and 162 are formed on the inner side surfaces of the upper connection pipe 150 and the first lower connection pipe 160, and the guides are formed on the outer side surfaces of the first lower connection pipe 160 and the second lower connection pipe 170. Guide grooves 165 and 173 corresponding to the rails 152 and 162 are preferably formed. The first lower connecting pipe 160 and the second lower connecting pipe 170 may be stably moved by the guide rails 152 and 162 and the guide grooves 165 and 173. The guide rails 152 and 162 may have wires connected to the upper connecting pipe 150. ) And a space that is not limited by the movement of the lower connection pipe (160, 170). In addition, it is preferable that the first diverting pulley 153 and the second diverting pulley 163 are coupled to the lower ends of the guide rails 152 and 162 so that the diverting pulleys 153 and 163 can be stably operated.

The ground portion 175 is coupled to the lower end of the second lower connection pipe 170. The grounding part 175 prevents the second connector from being damaged by being directly impacted, and may be made of metal or rubber material as necessary. The wire connecting ring 174 may be formed at the upper portion of the ground portion 175 so that the wire 126a may be coupled thereto.

Looking at the operating method of the motorized multi-stage stick 100 according to the present invention, if there is no need to stretch the length of the stick first, leave the switch 130 in the OFF state. In this state, even if a force is applied to the stick, the length of the stick is kept constant since the motor 120 does not rotate according to the characteristics of the worm gear.

In the case of increasing the length of the stick, if the switch 130 is adjusted in the extending direction, current flows to rotate the motor 120. Power is transmitted to the worm wheel 123 by the worm 122 coupled to the rotating shaft 121 of the motor 120, and the extension pulley mounted on the rotating shaft 124 of the worm wheel 123 rotates and winds the wire. The wire 126c coupled to the first extension pulley 125b pulls down the first lower connection pipe 160 via the first diverting pulley 153. In addition, the wire 126b coupled to the second extension pulley 125a pulls down the second lower connection pipe 170 via the second diverting pulley 163. At this time, the single-axis pulley 125c mounted on the rotation shaft 121 of the motor 120 rotates in a direction in which the wire 126a is released so that the elongation of the stick is not disturbed.

When the length of the stick is to be shortened, when the switch 130 is adjusted in the shortening direction, the rotation of the motor 120 rotates in the opposite direction as when the length of the stick is extended. The short axis pulley 125c mounted on the rotating shaft 121 of the motor 120 rotates to wind the wire 126a coupled to the short axis pulley 125c, and as the wire is wound, the ground part 175 is pulled up and the stick The length of the will be shortened. At this time, the first extension pulley 125b and the second extension pulley 125a unwind the wires 126b and 126c to prevent the stick from being shortened.

The first extension pulley (125b), the second extension pulley (125a) and the shortened pulley (125c) should be designed so that the size is appropriately adjusted so that the short axis and elongation do not interfere with each other.

As described above, the electric multi-stage stick 100 according to the present invention can adjust the length of the stick as desired by a simple operation of the switch 130, and the stick may be driven by the worm gear even when repeated impact is applied to the stick. The length can be kept constant.

1 is a perspective view of an electric multi-stage stick in accordance with the present invention.

Figure 2 is an A-A longitudinal cross-sectional view of the motorized multi-stage stick according to the present invention.

Figure 3 is an A-A vertical cross-sectional view of the motorized multi-stage stick according to the present invention.

Figure 4 is a cross-sectional view B-B of the electric multi-stage stick in accordance with the present invention.

Figure 5 is a cross-sectional view C-C of the upper connector of the electric multi-stage stick in accordance with the present invention.

<Description of Major Codes in Drawings>

100: electric multi-stage stick

110: battery

120: motor

130: switch

122: worm

123: Worm Wheel

125a, 125b: kidney pulley

125c: single pulley

126a, 126b, 126c: wire

150: upper connector

160: first lower connection pipe

170: second lower connector

175: ground portion

Claims (4)

Comprising a handle portion formed inside the space, the upper connector is fixedly coupled to the handle portion, one or more lower connection pipes to be inserted in turn in the upper connection pipe and the ground connection is coupled to the tip of the lower connection pipe of the lower connection pipe In the multistage stick which becomes, A motor, a battery, and a switch are installed in the space of the handle part, a worm is coupled to the rotating shaft of the motor, and a single pulley is coupled to the tip of the rotating shaft, and a worm wheel corresponding to the worm is provided, and at least one worm wheel is rotated. The extension pulley is coupled, the wire coupled to the extension pulley is coupled to the wire fixing portion formed on the upper end of the lower connection pipe, the wire coupled to the short pulley is coupled to the upper portion of the ground portion in accordance with the rotation direction of the motor Electric multi-stage stick, characterized in that the length of the stick can be extended or shortened. The method of claim 1, The lower connecting pipe is composed of a first lower connecting pipe inserted into the upper connecting pipe, and a second lower connecting pipe inserted into the first lower connecting pipe and coupled to a ground at the front end, and the extension pulley has a first extension. It is composed of a pulley and a second extension pulley, the wire coupled to the first extension pulley is coupled to the wire fixing portion of the first lower connection pipe through a first turning pulley provided in the inner lower end of the upper connection pipe The wire coupled to the second extension pulley is coupled to the wire fixing part of the second lower connection pipe through a second turning pulley provided at an inner lower end of the first lower connection pipe, and coupled to the single pulley. And the wire is coupled to an upper portion of the ground portion through an adjacent turning pulley. The method of claim 2, Guide rails are formed on inner side surfaces of the upper connection pipe and the first lower connection pipe, and guide grooves corresponding to the guide rails are formed on the outer side surfaces of the first lower connection pipe and the second lower connection pipe. Electric multi-stage stick. The method of claim 1, The switch is a multi-stage electric stick, characterized in that the part is exposed to the outside of the handle portion to adjust the rotational direction of the motor in accordance with the operation of the switch.

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