JP3239510U - winding machine - Google Patents

Abstract

To provide a winding device that provides an effective winding and feeding function for a cord with a simple structure and that can effectively prevent a cord body from being voluntarily loosened. A winding machine includes a housing, and a plurality of heads provided axially movably and rotatably in the housing, and having locking teeth extending radially on the outer peripheral surface thereof in the circumferential direction. and a first ratchet portion and a second ratchet portion that engages the first ratchet portion, the first ratchet portion being fixed to the housing and the second ratchet portion being oriented only in one direction with respect to the first ratchet portion. and a ratchet assembly rotatably mounted on the housing and connected to at least one string body with teeth extending along the axial direction. a winding unit provided with a hole, wherein the rotary shaft can be displaced linearly along the axial direction with respect to the toothed hole to disengage the plurality of locking teeth of the head portion into the toothed hole; Insert and lock as much as possible. [Selection drawing] Fig. 1

Description

The present invention relates to a windable winder.

General wearable products, such as shoes, supporters, etc., all have an adjustable structure to match the appropriate looseness and height according to the needs of the user, for example, the height of the neck protection ring can be adjusted. , thereby adjusting the height at which the neck protection ring supports the upper edge of the front edge of the chin, allowing the user's eyes to look forward.

However, such a conventional winder includes a hook-and-loop fastener perforated in the wearable product, the hook-and-loop fastener can lock and position the cord body, and the cord body can be pulled by pulling the hook-and-loop fastener. is moved up and down, and the hook-and-loop fastener is positioned to adjust the string body. is insufficient, the cord body can slide or loosen with respect to the hook-and-loop fastener, and the supporter cannot firmly cover the human body, which is a drawback to be improved.

Therefore, in order to solve the above problems, there is a need to provide a novel and inventive winder.

SUMMARY OF THE INVENTION It is a primary object of the present invention to provide a winder that has a simple structure and provides an effective winding and feeding function for a cord, and that can effectively prevent the cord body from being voluntarily loosened.

To achieve the above objectives, the present invention provides a winder comprising a housing, axially movably and rotatably mounted within the housing, and radially extending locking teeth on the outer peripheral surface. is provided in the circumferential direction, a first ratchet portion and a second ratchet portion meshing with the first ratchet portion, the first ratchet portion being fixed to the housing, The two ratchet parts are rotatable in only one direction with respect to the first ratchet part, a ratchet assembly interlocked with the rotary shaft, and at least one string rotatably provided on the housing. a winding unit adapted to be connected to the main body and provided with an axially extending toothed hole, the rotating shaft being axially linear with respect to the toothed hole; to releasably insert and lock the plurality of locking teeth of the head portion into the toothed holes.

1 is a perspective view of one preferred embodiment of the present invention; FIG. 1 is an exploded view of one preferred embodiment of the present invention; FIG. 1 is a partially exploded view of one preferred embodiment of the present invention; FIG. FIG. 2 is a cross-sectional view of one preferred embodiment of FIG. 1 taken along line AA; FIG. 2 is a cross-sectional view taken along line BB of FIG. 1; 1 is a use state diagram of a preferred embodiment of the present invention; FIG. FIG. 4 is a perspective view of a rotating shaft and a second ratchet part of one preferred embodiment of the present invention; FIG. 4 is an exploded perspective view of a rotating shaft and a second ratchet part of one preferred embodiment of the present invention; FIG. 2 is a cross-sectional view of a preferred embodiment of the present invention in a string-extending state;

The following examples illustrate possible embodiments of the present invention, but are not intended to limit the scope of protection of the present invention.

1 to 9, which shows one preferred embodiment of the present invention, the winding machine of the present invention includes a housing 1, a rotating shaft 2, a ratchet assembly 3 and a winding unit 4. As shown in FIG.

The rotating shaft 2 is provided in the housing 1 so as to be movable and rotatable along the axial direction L, and radially extending locking teeth 21 are provided on the outer peripheral surface of the rotating shaft 2 in the circumferential direction. It includes a plurality of head portions 20 . The ratchet assembly 3 includes a first ratchet part 30 and a second ratchet part 31 meshing with the first ratchet part 30, the first ratchet part 30 being fixed to the housing 1 and the second ratchet part 31 being engaged with the first ratchet part 30. is rotatable along only one direction with respect to the first ratchet portion 30 and is provided so as to be interlocked with the rotating shaft 2 . The winding unit 4 is rotatably mounted on the housing 1 and is used to be connected to at least one string body 5. The winding unit 4 has teeth extending along the axial direction L. A hole 40 is provided, and the inner wall of the toothed hole 40 is provided with a plurality of teeth. Wherein, the rotating shaft 2 can be linearly displaced with respect to the toothed hole 40 along the axial direction L, and the plurality of locking teeth 21 of the head part 20 are aligned with the toothed hole 40. Detachably inserted and locked. As a result, it is possible to provide an effective winding and feeding function of the string with a simple structure, and to effectively prevent the string body from being loosened without permission. In this embodiment, the rotating shaft 2 can move relative to the winding unit 4 along the axial direction L to disengage and engage the toothed hole 40, thereby: The effects of string winding and free string winding can be achieved. In another embodiment, the rotating shaft moves the second ratchet part to disengage and engage with the first ratchet part, and the rotating shaft detachably connects the second ratchet part to rotate in one direction. or cancel the one-way state.

The rotating shaft 2 further includes a neck portion 22 and an enlarged diameter portion 23, the neck portion 22 being provided between the head portion 20 and the enlarged diameter portion 23 and piercing the toothed hole 40, The expanded diameter portion 23 can abut against the winding unit 4 in the axial direction L, and prevents the rotation shaft 2 from being detached from the winding unit 4 . Also, the neck portion 22 is not in contact with the toothed hole 40, and the winding unit 4 is rotatable relative to the neck portion 22 when the head portion 20 is removed from the toothed hole 40. becomes. In this embodiment, the head part 20 is a polygonal prism, and when viewed from the axial direction, the polygonal prism is a polygonal star prism, and in other embodiments, it is a square prism, a square prism, a rhombus prism, a digonal prism, a triangular prism. It may be a polygonal column, such as a polygonal prism, and it is advantageous for the plurality of locking teeth to mesh smoothly with the toothed hole. Specifically, each locking tooth 21 is a corner of the polygonal prism.

The second ratchet portion 31 is provided with a plurality of ratchet teeth 32 that are elastically movable in the radial direction. Specifically, the first ratchet part 30 is an inner ring tooth disk having a plurality of teeth 301 extending in one direction, the second ratchet part 31 further includes a shaft 33 and a plurality of arms 34, and the plurality of The arm portions 34 are circumferentially connected to the outer circumference of the shaft portion 33, each arm portion 34 is provided with the ratchet teeth 32, and each arm portion 34 abuts the inner ring tooth disk in the radial direction, Each arm portion 34 abuts against the inner ring tooth disc with radial elastic expansion force, and when the second ratchet portion 31 rotates with respect to the first ratchet portion 30, each ratchet tooth 32 is The first ratchet part 30 is smoothly disengaged and engaged with the first ratchet part 30, and the first ratchet part 30 and the second ratchet part 31 are not easily loosened. Preferably, each arm portion 34 is an arc-shaped protruding arm that protrudes radially outward. Specifically, each ratchet tooth 32 is a circumferentially extending angular tooth that allows the second ratchet part 31 to rotate relative to the first ratchet part 30 in only one direction. A through hole 35 is formed between each arm portion 34 and the shaft portion 33 so that each arm portion 34 is compressed toward the through hole 35 and elastically restored. In this embodiment, the two arm portions 34 are provided on opposite sides so as to provide a radial biasing force in opposite directions, thereby stably restricting rotation and position.

The second ratchet part 31 is provided with a shaft hole 36 , the shape of the shaft hole 36 is matched with the head part 20 , the head part 20 can move the second ratchet part 31 , and the head part 20 can move the second ratchet part 31 . is movably bored in the shaft hole 36, and two convex portions 24 located on both sides facing each other in the radial direction are projected from the outside of the head portion 20. The two convex portions 24 are respectively Detachably engaged with the shaft hole 36 , more specifically, each projection 24 can radially bias the inner wall of the shaft hole 36 , thereby limiting the range of movement of the rotary shaft 2 . do. Specifically, by pulling up the rotating shaft 2 with an external force, the two protrusions 24 are engaged with and removed from the shaft holes 36, respectively. Preferably, each convex portion 24 is provided with at least one slanted guide surface 25, in this embodiment, the number of the at least one slanted guide surface 25 is plural, and each slanted guide surface 25 is aligned with the axis Contacting the hole edge of the hole 36 helps to smoothly engage the shaft hole 36 .

The inner ring tooth disc is detachably fixed to the housing 1 . More specifically, the housing 1 is provided with a plurality of locking holes 10, and the inner ring tooth disk is provided with a plurality of locking legs 38 detachably locked in one of the locking holes 10. , which makes it easy to put on and take off. In other embodiments, the housing and the inner ring tooth disc may be screwed together. One of the housing 1 and the rotating shaft 2 is provided with a hole groove extending in the axial direction L, and the other is provided with a shaft piercing the hole groove. In this embodiment, the housing 1 is provided with the axle 11 . The rotary shaft 2 is provided with the groove 26 so that the rotary shaft 2 can move stably.

The winding machine further includes a rotating cover 6 connected to the rotating shaft 2, so that the rotating shaft 2 can be displaced and rotated along the axial direction L. As shown in FIG. Preferably, the winding machine further includes a protective cover 70 fitted on the rotating cover 6 . At least one locking groove 81 is provided in one of the protective cover 70 and the rotary cover 6, and at least one locking projection 82 locked in the at least one locking groove 81 is provided in the other. be provided. In this embodiment, the protective cover 70 is provided with a plurality of locking grooves 81, the rotating cover 6 is provided with a plurality of locking protrusions 82, and the protective cover 70 has elasticity, such as , Made of rubber material to improve grip comfort and anti-slip.

The housing 1 further includes at least one guide hole 13 used for passing at least one string body 5, and in this embodiment, the number of the at least one guide hole 13 is plural, and the plurality of guide holes Holes 13 are provided at intervals along the circumferential direction of the housing 1 , and each string body 5 is wound around the winding unit 4 .

In use, when in the first position, each locking tooth 21 of the head portion 20 engages the toothed hole 40 so that the rotating shaft 2 moves the winding unit 4 to the housing. 1 and the second ratchet part 31 meshes with the first ratchet part 30 to rotate in one direction to achieve string winding. Conversely, when in the second position, in this embodiment, the rotating shaft 2 is pulled up with respect to the housing 1 to disengage the locking teeth 21 from the toothed holes 40 so that the winding unit 4 is Rotate freely to achieve string payout.

Reference Signs List 1 housing 10 locking hole 11 axle 13 guide hole 2 rotating shaft 20 head portion 21 locking tooth 22 neck portion 23 enlarged diameter portion 24 convex portion 25 inclined guide surface 26 hole groove 3 ratchet assembly 30 first ratchet portion 301 teeth Part 31 Second ratchet part 32 Ratchet tooth 33 Shaft part 34 Arm part 35 Through hole 36 Shaft hole 38 Locking leg 4 Winding unit 40 Toothed hole 5 String main body 6 Rotating cover 70 Protective cover 81 Locking groove 82 Locking projection L-axis direction

Claims (10)

A winding machine,
a housing;
a rotating shaft including a plurality of head portions axially movably and rotatably provided within the housing and having radially extending locking teeth circumferentially provided on an outer peripheral surface thereof;
a first ratchet portion and a second ratchet portion that engages the first ratchet portion, the first ratchet portion being fixed to the housing, the second ratchet portion being oriented only in one direction with respect to the first ratchet portion; a ratchet assembly that is rotatable to and interlocked with the rotating shaft;
a winding unit rotatably mounted on the housing and used to connect to at least one string body and provided with a toothed hole extending along the axial direction;
The rotating shaft is linearly displaceable with respect to the toothed hole along the axial direction, and detachably inserts and locks the plurality of locking teeth of the head portion into the toothed hole. A winding machine characterized by: The rotating shaft further includes a neck portion and an enlarged diameter portion, the neck portion being provided between the head portion and the enlarged diameter portion and piercing the toothed hole, the enlarged diameter portion extending in the axial direction. 2. The winding machine according to claim 1, wherein the winding unit can be abutted against the winding unit. The winder according to claim 1, wherein the head portion is a polygonal prism. 2. The winder according to claim 1, wherein the second ratchet portion is provided with a plurality of radially elastically movable ratchet teeth, and each of the ratchet teeth meshes with the first ratchet portion. The first ratchet part is an inner ring tooth disk, the second ratchet part further includes a shaft and a plurality of arms, the plurality of arms are circumferentially connected to the outer circumference of the shaft, and each arm is 5. The winder of claim 4, wherein the sections are provided with the ratchet teeth and each arm section radially abuts the inner ring tooth disc. 6. The winder according to claim 5, wherein each arm portion is an arc-shaped protruding arm that protrudes radially outward. 6. The winding device according to claim 5, wherein a through hole is formed between each arm portion and the shaft portion. A shaft hole is provided in the second ratchet portion, the shape of the shaft hole matches the head portion, the head portion is movably bored in the shaft hole, and the head portion extends radially outwardly of the head portion. 2. The winding device according to claim 1, wherein two protrusions located on opposite sides are protruded, and the two protrusions are detachably engaged with the shaft holes. 9. The winder of claim 8, wherein each projection is provided with at least one slanted guide surface. each ratchet tooth is a circumferentially extending angular tooth;
The rotating shaft further includes a neck portion and an enlarged diameter portion, the neck portion being provided between the head portion and the enlarged diameter portion and piercing the toothed hole, the enlarged diameter portion extending in the axial direction. can be brought into contact with the winding unit,
The head portion is a polygonal prism,
A through hole is formed between each arm portion and the shaft portion,
A shaft hole is provided in the second ratchet portion, the shape of the shaft hole matches the shape of the head portion, the head portion is movably bored in the shaft hole, and the head portion extends radially outwardly of the head portion. Two projections located on opposite sides are protruded, and the two projections are detachably engaged in the shaft holes,
each convex portion is provided with at least one inclined guide surface;
The inner ring tooth disc is detachably fixed to the housing,
The housing is provided with a plurality of locking holes, and the inner ring tooth disc is provided with a plurality of locking legs detachably locked in one of the locking holes,
One of the housing and the rotating shaft is provided with a hole groove extending in the axial direction, and the other is provided with a shaft piercing the hole groove,
The winding machine further includes a rotating cover connected to the rotating shaft,
The housing further includes at least one guide hole used for passing at least one string body,
The winding device further includes a protective cover fitted on the rotating cover,
At least one locking groove is provided on one of the protective cover and the rotating cover, and at least one locking projection that is locked to the at least one locking groove is provided on the other. 6. The winding machine according to 6.

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