TWM458161U - Wheel structure - Google Patents

Description

Wheel structure

The present invention relates to a wheel structure, which mainly refers to a wheel body which can be easily moved and subjected to force.

Conventional wheeled wheels are often used in furniture or other items that must be moved. In the case of seats, conventional seats are often used in conjunction with demand to move to different positions, and are currently under the legs of the seat. The wheel body is often provided, and the wheel body can be used to move the seat by rolling to improve the displacement convenience and applicability.

However, when the user rides on the seat of the wheel body, the wheel body supported by the lower side of the seat is still in a rollable state, so if the center of gravity shifts during riding, the seat wheel body is displaced and displaced, and Loss of stability and safety is not good.

The purpose of this creation is to provide a wheel body that can be positioned for easy movement and force.

The present invention includes a joint seat, a shaft column, an elastic member, a wheel axle, at least one roller, and the upper portion of the joint seat is engageable with the seat leg or other external device, and the sleeve groove is disposed below; The upper part has a joint portion, the bottom portion has a pivoting portion, the bottom end has a positioning portion, and the joint portion is combined with the joint seat, and the joint portion is a plug which can penetrate into the sleeve groove and is arranged on the outer edge of the insert post The pressing ring is tightly connected with the inner wall of the sleeve groove, and the pivoting portion has a long shaft hole, and the upper and lower edges of the long shaft hole respectively have curved upper and lower edges, and the two sides are available for the shaft. Straight side of the upper and lower displacement spaces of the column And arranging the accommodating groove at the position of the shaft column to the shaft hole; the elastic element provides the upper and lower displacement of the shaft column to be elastic, and the elastic element is a telescopic spring, and is placed in the accommodating groove of the shaft column, and the top end Abutting against the joint; the axle extends through the shaft hole, and the outer edge abuts against the bottom end of the elastic member; the roller is pivotally coupled to the axle, and the shaft can be pivoted by the elastic force of the elastic member Abutting against the axle, and the height of the bottom end positioning portion of the shaft column is higher than the height of the bottom edge of the roller without abutting against the ground, and the wheel body can be normally rotated by the roller, and can be driven under the shaft column when the joint is stressed Move and position the lower part of the shaft column below the height of the bottom edge of the roller and lock against the ground to improve stability and safety.

1‧‧‧ joint seat

11‧‧‧ socket

2‧‧‧ shaft column

21‧‧‧ Insert

211‧‧‧forced ring

22‧‧‧ pivotal department

221‧‧‧Axis hole

222‧‧‧ upper edge

223‧‧‧ lower edge

224‧‧‧ side

23‧‧‧ Positioning Department

24‧‧‧ accommodating slots

3‧‧‧ Spring

4‧‧‧Axle

41‧‧‧End

5‧‧‧Roller

6‧‧‧ feet

The first picture is an exploded view of the creation.

The second picture is a combination of the creations.

The third figure is a cross-sectional view of the A-A corresponding to the second figure.

The fourth figure is a cross-sectional view of the B-B corresponding to the second figure.

The fifth figure is a schematic diagram of the present invention implemented in the seat.

The sixth picture is a schematic diagram of the positioning of this creation.

Please refer to the first to fifth figures. The creation includes a joint seat 1, a shaft column 2, a spring 3, an axle 4, and two rollers 5, and the joint seat 1 is provided above the seat leg 6 (such as the fifth The figure shows the joint and the sleeve groove 11 is provided below.

The shaft column 2 has a plunger 21 at the top, a pivoting portion 22 at the bottom, a positioning portion 23 at the bottom end, and the insertion post 21 can extend through the socket groove 11 and a tension ring 211 is disposed on the outer edge of the insertion post 21. The inner wall of the socket groove 11 is tightly assembled, and the pivoting portion 22 has an elongated shaft hole 221, and the upper and lower shaft holes 221 are respectively upper and lower. The upper and lower edges 222 and 223 have curved sides, and the two sides have straight side 224 for the upper and lower displacement spaces of the shaft column 2, and the accommodating groove 24 is disposed at the position of the column 21 to the shaft hole 221 of the shaft column 2. .

The spring 3 provides the upper and lower displacement actuation elasticity of the shaft column 2, and the spring 3 is placed in the accommodating groove 24 of the shaft column 2, and the top end abuts against the joint seat 1.

The axle 4 extends through the shaft hole 221 and has two end portions 41 protruding from the outside of the shaft hole 221, and the outer edge abuts against the bottom end of the spring 3.

The two rollers 5 are respectively pivotally connected to the two end portions 41 of the axle 4, and the shaft column 2 can abut the lower edge 223 of the shaft hole 221 against the axle 4 by the elastic force of the spring 3, and the bottom end of the shaft column 2 is positioned. The height of the portion 23 is higher than the height of the bottom edge of the two rollers 5 and does not abut against the ground, and the wheel body can be normally rotated by the roller 5.

Referring to the sixth figure, the user can force the joint 1 when riding on the seat (not shown), and can move the shaft column 2 downward, and the positioning portion 23 under the shaft column 2 can be The card is locked against the ground, which prevents the wheel from rolling and improves the stability and safety of the ride. When the user leaves the seat, the post 2 can be as shown in the third and fourth figures, by the spring. The elastic force of the 3 holds the positioning portion 23 off the ground, so that the wheel body can travel freely to improve the usability.

Therefore, according to the above, the creation can improve the safety and stability of the wheel body, and the wheel body of the present invention can be applied to various types of products that need to be displaced and positioned, and is not necessarily limited to the seat. The foregoing embodiments are illustrative of the present invention and are not intended to be limiting of the present invention. Any equivalent changes in accordance with the spirit of the present invention should also fall within the scope of the present invention.

1‧‧‧ joint seat

11‧‧‧ socket

2‧‧‧ shaft column

21‧‧‧ Insert

211‧‧‧forced ring

22‧‧‧ pivotal department

221‧‧‧Axis hole

222‧‧‧ upper edge

223‧‧‧ lower edge

224‧‧‧ side

23‧‧‧ Positioning Department

3‧‧‧ Spring

4‧‧‧Axle

41‧‧‧End

5‧‧‧Roller

Claims (5)

A wheel body structure includes: a joint seat, the upper portion is engageable with an external device; a shaft column having an upper portion with a joint portion, a bottom portion having a pivot portion, and a bottom end having a positioning portion, and the joint portion is coupled with the joint seat, The pivoting portion has a long shaft hole, and the upper and lower edges respectively have an upper and a lower edge; an elastic member, one end abuts against the joint, and provides the upper and lower displacement of the shaft column to act elastic; a shaft hole extending through the shaft and abutting against the other end of the elastic member; at least one roller pivotally connected to the axle, and the shaft column can abut the lower edge of the shaft hole against the axle by the elastic force of the elastic member And the height of the bottom end positioning portion of the shaft column is higher than the height of the bottom edge of the roller, and the force of the joint seat can drive the shaft column to move downward, and the positioning portion below the shaft column can be lower than the height of the bottom edge of the roller. The wheel structure according to claim 1, wherein a sleeve groove is disposed below the joint seat, and the joint portion of the shaft column is a insert penetrating in the sleeve groove, and is tightly disposed on the outer edge of the insert post. The ring and the inner wall of the sleeve groove are tightly assembled. The wheel structure according to claim 1, wherein the two sides of the long shaft hole of the pivot portion of the shaft column provide a straight side of the shaft column and the upper and lower displacement spaces. The wheel structure as described in claim 2, wherein the insertion post of the shaft column is arranged in the direction of the shaft hole, and the elastic element is a telescopic spring, and is placed in the receiving groove of the shaft column, and the top end is engaged with the joint. The seat abuts and the bottom end abuts against the axle. The wheel structure as described in claim 1, 2, 3 or 4, wherein the axle has two ends and two rollers, and the two rollers are respectively pivotally connected to the two ends of the axle.