TWI737544B - Wire adjusting device for vehicle - Google Patents

Abstract

A wire adjusting device for vehicle includes a first suite and a second suite. The first suite includes a first opening and a second opening. The second suite is screwed to the second opening. The inner peripheral wall of the second suite has a first stop portion. The first stop portion has a first through hole. The first through hole is communicated with the first opening.

Description

Wire adjusting device for vehicle

The invention relates to a wire adjusting device for a vehicle.

Press. Generally, when a bicycle is shifting or braking, the shifting wire or braking wire is pulled by pressing the operating device installed on the handle, so that the inner wire (such as the steel cable) of the wire is displaced, and the shifting device or the braking device is activated Generally, the wire will also include an outer tube wrapped around the inner wire. By pressing or releasing the pressure of the outer tube to change the length of the outer tube, the expansion of the outer tube can be changed and the friction between the outer tube and the inner wire can be changed. And to change the smoothness of pulling the inner line, the patent disclosed by TW418167 falls into this category.

However, the structure of the above-mentioned conventional patent is complicated, and it is necessary to manufacture a plurality of additional components before assembling these components. Not only the manufacturing cost is too high, but the process of assembling the bicycle is too complicated, and there are shortcomings that need to be improved urgently.

Therefore, it is necessary to provide a novel and advanced vehicle wire adjusting device to solve the above-mentioned problems.

The main purpose of the present invention is to provide a wire adjusting device for a vehicle, which has the characteristics of simple structure and convenient assembly, which can greatly reduce the manufacturing cost, and can still effectively adjust the expansion of the outer tube to change the friction between the outer tube and the inner wire. Therefore, the smoothness of pulling the inner cable can be effectively changed.

To achieve the above objective, the present invention provides a wire adjusting device for a vehicle, which includes a first set and a second set. The first kit includes a first opening and a second opening. The second sleeve is screwed to the second opening, the inner peripheral wall of the second sleeve is provided with a first blocking portion, the first blocking portion is provided with a first through hole, and the first through hole is communicated with the first opening.

The following examples are only used to illustrate the possible implementation aspects of the present invention, but they are not intended to limit the scope of protection of the present invention, and are described first.

Please refer to FIGS. 1 to 6, which show a preferred embodiment of the present invention. The wire adjusting device for a vehicle of the present invention includes a first set 1 and a second set 2.

The first sleeve 1 includes a first opening 11 and a second opening 12.

The second sleeve 2 is screwed to the second opening 12, the inner peripheral wall of the second sleeve 2 is provided with a first stop 21, the first stop 21 is provided with a first through hole 22, the first through hole 22 and the The first opening 11 communicates with each other, so that the second sleeve 2 is sleeved on an outer tube 91 of a wire for a car, and one end of the outer tube 91 is for abutting against the first stop 21, one of the wires for a car The inner wire 93 passes through the first through hole 22. By screwing the first sleeve 1 and the second sleeve 2, the first stop 21 can change the length of the outer tube 91, and by adjusting the outer tube The degree of expansion of the tube 91 changes the friction between the outer tube 91 and the inner wire 93, so that the smoothness of pulling the inner wire 93 can be effectively changed, and the structure is simple, with only the first sleeve 1 and the second sleeve 2. Can reduce manufacturing cost and ease of assembly.

Specifically, the first blocking portion 21 is integrally extended at an end of the second sleeve 2 facing the first opening 11, and the first blocking portion 21 is ring-shaped for supporting the outer tube 91. Preferably, the end of the second sleeve 2 may not protrude outwards from the second opening 12 at all, and the inner peripheral wall of the second sleeve 2 is non-rotatably pressed against the outer tube 91, so the user does not need to Hold the first set 1 and the second set 2 with two hands, and only need to turn the first set 1 with one hand to rotate the first set 1 and the second set 2 to achieve the adjustment function. It’s very convenient. In this embodiment, the inner peripheral wall ring of the second sleeve 2 is provided with a plurality of protruding ribs 23, the protruding ribs 23 extend along the axial direction of the second sleeve 2, the protruding ribs 23 can effectively tighten the outer tube 91. It is worth mentioning that the ribs 23 extend from an end of the inner peripheral wall of the second sleeve 2 away from the first stop 21 to the first stop 21, and the radial thickness of the ribs 23 is between 0.1 Between centimeters and 0.8 centimeters, which is 0.4 mm in this embodiment, the top of each rib 23 is flat, so as to effectively press against the outer tube 91.

It should be noted that in the present embodiment, the inner peripheral wall of the first sleeve 1 integrally extends with a second stopper 13 which is provided with a second through hole 14, and the second stopper 13 is located on the first stopper 13 Between an opening 11 and the second opening 12.

Preferably, the radial dimension of the inner peripheral wall of the first opening 11 is larger than the radial dimension of the inner peripheral wall of the second sleeve 2. Furthermore, the first opening 11 of the first sleeve 1 is for sleeved on the sleeve 92 of the vehicle wire, and one end of the sleeve 92 is for abutting against the second blocking portion 13, and the second blocking portion 13 is Ring shape. In this embodiment, the sleeve body 92 covers the other outer tube 91 of the vehicle wire. The sleeve body 92 can rotate relative to the first sleeve 1 to smoothly rotate the first sleeve 1 for adjustment. Thereby, the first blocking portion 21 and the second blocking portion 13 can respectively press against the two outer tubes 91 to simultaneously extend or compress the two outer tubes 91 to achieve the purpose of rapid adjustment.

Furthermore, in this embodiment, the inner peripheral wall of the first sleeve 1 is provided with an internal thread portion 15 between the second opening 12 and the second blocking portion 13, and the outer peripheral wall of the second sleeve 2 is provided with a and The internal threaded portion 15 is screwed to the external threaded portion 24, and the outer peripheral wall of the first sleeve 1 is polygonal columnar to facilitate gripping and rotation. In detail, the radial dimension of the inner peripheral wall of the first sleeve 1 is between 4.5 and 5.5 cm, the radial dimension of the inner peripheral wall of the second sleeve 2 is between 3.5 and 4.5 cm, and the first perforation The radial dimension of 22 is between 1 to 2.5 cm. In this embodiment, the radial dimension of the inner peripheral wall of the first sleeve 1 is 5 cm, and the radial dimension of the inner peripheral wall of the second sleeve 2 is between 4 centimeters. Cm, the radial size of the first perforation 22 is 1.5 cm, which is the more common radial size of the outer tube 91, the inner wire 93 and the sleeve 92 for the general public. In other embodiments, it can be based on Car wires of different specifications are changed.

In addition, it is preferable that the distance of the first sleeve 1 from the second stop 13 toward the edge of the first opening 11 defines a first length L1, and the first sleeve 1 extends from the second stop 13 toward the first opening 11. The distance between the mouth edges of the two openings 12 defines a second length L2, and the ratio of the second length L2 to the first length L1 is between 1.5 and 2.5, which is 1.82 in this embodiment, because the first set 1 The inner peripheral wall is provided with the internal thread portion 15 between the second opening 12 and the second stop portion 13, so that the length of the second length L2 is greater than the first length L1 so that the second sleeve 2 has a longer length The screw movement adjusts the distance, and can prevent the second assembly 2 from shaking relative to the first assembly 1 when the second assembly 2 is screwed to the first assembly 1.

It is worth mentioning that, preferably, the first sleeve 1 and the second sleeve 2 are made of thermoplastic material, such as nylon and glass fiber material or ABS (Acrylonitrile Butadiene Styrene) resin material. In this embodiment, it is nylon and glass fiber material. The glass fiber material, because the thermoplastic has a low coefficient of friction, when the first sleeve 1 and the second sleeve 2 are screwed in the direction away from each other, the first sleeve 1 and the second sleeve 2 will be affected by the outer The resistance between the tube 91 and the sleeve body 92 increases, making it more and more difficult to screw the first sleeve 1 and the second sleeve 2. By using nylon and glass fiber in this embodiment, When the first sleeve 1 and the second sleeve 2 are screwed together, the friction force is small, the first sleeve 1 and the second sleeve 2 can be rotated smoothly, and the material is light, and the manufacturing cost is low , High structural strength and other characteristics, so it can achieve the advantages of low price and high durability, so as to increase consumers' willingness to buy.

In summary, in the vehicle wire adjusting device of the present invention, by screwing the first set and the second set, the first stop can change the length of the outer tube, and by adjusting the expansion of the outer tube To change the friction between the outer tube and the inner wire, the smoothness of pulling the inner wire can be effectively changed, and the structure is simple. Only the first kit and the second kit can reduce the manufacturing cost and the ease of assembly.

1: First set 2: The second set 11: First opening 12: second opening 13: second gear 14: second piercing 15: Internal thread 21: First gear 22: first piercing 23: convex rib 24: External thread 91: Outer tube 92: set body 93: inside L1: first length L2: second length

Figure 1 is a perspective view of a preferred embodiment of the present invention. Figures 2 to 4 are exploded views of a preferred embodiment of the present invention. 5 and 6 are schematic diagrams of cross-sectional operations of a preferred embodiment of the present invention.

1: First set

2: The second set

23: convex rib

Claims (9)

A wire adjusting device for a vehicle, including: A first kit, including a first opening and a second opening; A second sleeve is screwed to the second opening, the inner peripheral wall of the second sleeve is provided with a first blocking portion, the first blocking portion is provided with a first through hole, and the first through hole is communicated with the first opening, The end of the second sleeve may not protrude outward from the second opening at all. The second sleeve is for sleeved on an outer tube of the vehicle wire, and the inner peripheral wall of the second sleeve is provided with a plurality of ribs, the Wait for the convex rib to tighten the outer tube. The wire adjusting device for a vehicle according to claim 1, wherein the first blocking portion is integrally extended at one end of the second sleeve facing the first opening, and the first blocking portion is ring-shaped. The wire adjusting device for a vehicle according to claim 1, wherein the protruding ribs extend along the axial direction of the second sleeve. The wire adjustment device for a vehicle according to claim 1, wherein the ribs extend from an end of the inner peripheral wall of the second sleeve away from the first stop to the first stop, and the radial thickness of the ribs Between 0.1 cm and 0.8 cm, the top of each convex rib is flat. The wire adjustment device for a vehicle according to claim 1, wherein the inner peripheral wall of the first kit integrally extends with a second stopper, the second stopper is provided with a second perforation, and the second stopper is located at the first stop. Between the opening and the second opening. The wire adjusting device for a vehicle according to claim 5, wherein the first opening of the first sleeve is used to sleeve a sleeve body of the vehicle wire, and one end of the sleeve body is for abutting against the second stopper, the The second stopper is ring-shaped, the sleeve body can rotate relative to the first sleeve, the inner peripheral wall of the first sleeve is provided with an internal threaded portion between the second opening and the second stopper, the second sleeve The outer peripheral wall is provided with an outer threaded part screwed with the inner threaded part, and the outer peripheral wall of the first sleeve is a polygonal column shape. The wire adjustment device for a vehicle according to any one of claims 1 to 6, wherein the first set and the second set are made of thermoplastic. The wire adjusting device for a vehicle according to any one of claims 1 to 6, wherein the radial dimension of the inner peripheral wall of the first set is between 4.5 and 5.5 cm, and the radial dimension of the inner peripheral wall of the second set is The size is between 3.5 and 4.5 cm, and the radial size of the first perforation is between 1 and 2.5 cm. The wire adjusting device for a vehicle according to claim 6, wherein the distance of the first set from the second stop to the edge of the first opening defines a first length, and the first set is from the second stop The distance to the edge of the second opening defines a second length, and the ratio of the second length to the first length is between 1.5 and 2.5.

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