Pressure-relieving strap buckle

Abstract

The present invention relates to a pressure-relieving strap buckle that is implemented by including: an upwardly opening type buckle body that accommodates a portion of a strap; a holder for fixing and releasing the portion of the strap accommodated in the buckle body; and a puller for pulling the strap when the buckle body moves along the strap, thereby allowing the lower surface of the buckle body to have a non-protruding structure and preventing the strap from passing over the lower side of the buckle body, thereby minimizing pressure when worn and facilitating the fixing and length adjustment of the strap.

Description

Technology Field

[0001] The present invention relates to a strap buckle, and more specifically, to a pressure-relieving strap buckle with an improved structure that performs the functions of adjusting the length and securing the strap, while simultaneously minimizing pressure applied to the skin or contact area when worn. Background Technology

[0002] In general, buckle structures are widely applied to hats, clothing, bags, protective gear, or various wearable devices to maintain the fit or adjust the length using straps. These strap buckles perform the function of securing the strap at a certain position or adjusting its length when necessary.

[0003] Technology related to such buckles or articles equipped with buckles, etc., includes:

[0004] Korean Patent Registration No. 10-1984907 (registered on May 27, 2019, hereinafter referred to as 'Literature 1') presents a "hat equipped with a tightening means,"

[0005] The above document 1 describes a hat comprising a cap portion that encloses the wearer's head and a brim that is coupled to the lower edge of the cap portion and positioned on the upper face of the wearer, wherein the cap portion is equipped with a tightening means for adjusting the size of the cap portion. The tightening means comprises a ring portion provided at one end of an opening that is semicircularly opened on the back of the cap portion and has a passing hole formed in the center, a band portion having one end fixed to the other end of the opening and the other end extending in the other direction of the opening via the passing hole, and a tightening device provided along the lower edge of the cap portion, having a wire wound inside that is connected to the other end of the band portion and which applies tensile force to the wire to pull the band portion as it is rotated. This describes a hat equipped with a tightening means that allows for easy size adjustment and improved aesthetics.

[0006] However, conventional strap buckles such as those described in Literature 1 mostly had problems in that their lower surfaces protruded or their internal structures were complex, causing direct pressure on the wearer's skin or contact area. In particular, there were problems in that discomfort caused by pressure increased when worn for a long time, and in some cases, it could cause pain or skin damage.

[0007] In addition, there were issues where user convenience was reduced because the structure for adjusting the strap and the fixing structure were separated or were difficult to operate.

[0008] Accordingly, there is a continuous demand for a new type of strap buckle that securely fastens the strap while minimizing pressure during wear and features a structure that is easy to operate. Prior art literature

[0009] Reference 1. Republic of Korea Patent Registration No. 10-1984907 (Registered on May 27, 2019) The problem to be solved

[0010] The purpose of the present invention is to provide a pressure-relieving strap buckle that can improve wearing comfort by stably securing the strap while minimizing pressure generated at the bottom of the buckle.

[0011] Furthermore, the present invention aims to provide a pressure-relieving strap buckle that can improve ease of operation by enabling effective traction of the strap during the process of moving the buckle along the strap. means of solving the problem

[0012] In order to solve the above-mentioned problem, the pressure-relieving strap buckle according to the present invention is,

[0013] An upwardly opening type buckle body that accommodates a portion of the strap;

[0014] A holder for fixing and releasing a portion of the strap accommodated in the buckle body; and

[0015] A puller for pulling the strap when the buckle body moves along the strap;

[0016] It is characterized by including Effects of the invention

[0017] The pressure-relieving strap buckle according to the present invention is,

[0018] Since the lower surface of the buckle body is formed with a non-protruding structure, and specifically configured so that the strap is positioned on the upper side of the buckle body rather than on the lower side, the height difference that may occur between the buckle body and the strap can be minimized. Accordingly, the buckle and the strap form an overall flatter and nearly linear arrangement, which has the effect of significantly reducing localized pressure on the skin or contact area when worn.

[0019] Furthermore, since a portion of the strap housed in the buckle body can be more stably pressed and secured through the saw-tooth-shaped holding head formed in the holder, it effectively prevents the strap from moving unintentionally or coming undone. In addition, since the strap can be effectively pulled through the puller, the user can adjust the strap length more easily and quickly.

[0020] In addition, the slope structure formed on the front and rear ends of the upper surface of the buckle body allows for smoother movement of the strap, thereby reducing snagging or frictional resistance during the length adjustment process and improving ease of use.

[0021] Furthermore, the slope structure can induce overall flatness by mitigating the step difference that occurs between a portion of the strap accommodated in the buckle body and a portion of the strap extending from the buckle body, thereby having the effect of preventing or minimizing marks on the skin or contact area when worn. Brief explanation of the drawing

[0022] FIG. 1 is an exploded three-dimensional view showing a pressure-relieving strap buckle according to the present invention. FIG. 2 is a partially combined three-dimensional configuration diagram of FIG. 1, FIG. 3 is an overall combined three-dimensional configuration diagram of FIG. 1, FIG. 4 is a cross-sectional view of the connection of FIG. 1, FIG. 5 is a cross-sectional view of the connection showing the holder in an open state, FIG. 6 is a configuration diagram showing the buckle of the present invention moving along the strap, FIG. 7 is a configuration diagram for showing that the buckle of the present invention moves along the strap and is fixed by a holder in a state where the length of the strap is adjusted. FIG. 8 is a configuration diagram showing, as an example, the state in which the buckle of the present invention is applied to a hat. Specific details for implementing the invention

[0023] Preferred embodiments of the present invention will be described in detail below with reference to the attached drawings.

[0024] Prior to this, terms and words used in this specification and claims should not be interpreted as being limited to their ordinary or dictionary meanings, but should be interpreted in a meaning and concept consistent with the technical spirit of the invention, based on the principle that the inventor can appropriately define the concept of the terms to best describe his invention. Accordingly, the embodiments described in this specification and the configurations illustrated in the drawings are merely one preferred embodiment of the invention and do not represent all of the technical spirit of the invention; therefore, it should be understood that various equivalents and modifications capable of replacing them may exist at the time of filing this application.

[0025] Based on Figure 1, the direction is specified as the front or front side of the puller's hinge bar and the rear or rear side of the puller's pulling bar.

[0026] As illustrated in FIGS. 1 to 8, the pressure-relieving strap buckle according to the present invention is,

[0027] An upwardly open type buckle body (10) that accommodates a portion of the strap (1);

[0028] A holder (20) for fixing and releasing a portion of the strap (1) received in the buckle body (10); and

[0029] A puller (30) for pulling the strap (1) when the buckle body (10) moves along the strap (1);

[0030] It consists of including

[0031] At this time, the lower surface of the buckle body (10) is formed as a non-protruding structure.

[0032] And a pair of posts (12) are formed on the left and right ends of the buckle body (10), each having a hinge hole (11), and a pair of skirts (22) are formed on the left and right ends of the holder (20), each having a corresponding hinge hole (21) that corresponds to the hinge hole (11).

[0033] And the puller (30) is formed as a bar structure with a circular cross section having a pair of hinge bars (31) that pass through the hinge hole (11) of each post (12) and are inserted into the corresponding hinge hole (21) of each skirt (22) and rotated, and a pulling bar (32) that connects each hinge bar (31) to each other and to which the end of the strap (1) is joined.

[0034] And the holder (20) has a saw-tooth shaped holding head (23) formed thereon to press and fix a portion of the strap (1) received in the buckle body (10) when the holder (20) closes relative to each hinge bar (31).

[0035] Furthermore, on the upper surface of the buckle body (10), a slope (13) inclined in the front and rear directions is formed on the front and rear end sides.

[0036] Looking more closely, the present invention relates to a pressure-relieving strap buckle configured to minimize local pressure occurring during wear and simultaneously ensure ease of operation and fixation stability by improving the arrangement structure of the strap (1) and the shape of the lower part of the buckle, in a buckle structure that performs length adjustment and fixation functions of a strap (1).

[0037] As shown in FIGS. 1 to 5, the buckle body (10) is a main body forming the skeleton of the entire buckle structure and provides a space in which a portion of the strap (1) is accommodated. The buckle body (10) is formed with an upwardly open structure, and accordingly, the strap (1) is inserted into the interior from the upper side of the buckle body (10) and accommodated for a certain length. A receiving portion in which the strap (1) is placed is formed inside the buckle body (10), and the receiving portion is formed to correspond to the width and thickness of the strap (1) to suppress the strap (1) from shaking or twisting excessively in the left and right directions.

[0038] The bottom surface of the receiving portion is a support surface that performs substantially the same function as the upper surface of the buckle body (10), and serves as a reference surface that provides a reaction force when the strap (1) is pressed by the holder (20). It is preferable that the support surface be formed relatively flat, but without excessive roughness or sharp edges so as not to damage the material of the strap (1) (e.g., fabric, synthetic fiber, leather, etc.).

[0039] In particular, as shown in FIGS. 4 and 5, the lower surface of the buckle body (10) is formed as a non-protruding structure. That is, the lower surface is formed as a flat or gently curved shape so that no separate support projection, catch, shaft support, or fastening structure protruding downward is formed. Since the lower surface is a surface that comes into direct contact with the user's skin or objects when worn, it is preferable that the corners be rounded or formed as a curved transition structure to prevent localized pressure concentration.

[0040] Furthermore, as shown in FIG. 6, the present invention is configured such that the strap (1) does not pass through the lower side of the buckle body (10) but is placed in the upper side receiving portion, thereby forming a linear arrangement structure in which the buckle body (10) and the strap (1) are placed on substantially the same plane rather than a structure in which they overlap vertically. Due to this arrangement structure, the height difference, or step difference, between the buckle body (10) and the strap (1) is minimized, and the entire buckle maintains a thin and flat shape. Accordingly, the phenomenon of a protruding part being pressed against a specific area when worn is reduced, and the occurrence of pressure marks or pain can be effectively suppressed even when worn for a long time.

[0041] At the left and right ends of the buckle body (10), a post (12) is formed by being erected upward. The post (12) is a structure that extends upward from the side of the buckle body (10) and serves to support the holder (20) and the puller (30) so that they can be rotatably coupled. A hinge hole (11) is formed in each post (12), and the hinge hole (11) is formed to be located on the same axis in the left and right directions. The hinge hole (11) has a circular or equivalent cross-section, and a hinge bar (31), which will be described later, is inserted to serve as a rotation axis.

[0042] Additionally, as shown in FIG. 7, a slope (13) inclined in the front-rear direction is formed on the front-rear end of the upper surface of the buckle body (10). The slope (13) is intended to prevent the strap (1) from getting caught or folded due to a sudden step when entering or exiting the receiving portion of the buckle body (10). That is, the slope (13) forms a gentle slope continuous with the direction of travel of the strap (1), thereby guiding the strap (1) to naturally enter and exit. Accordingly, frictional resistance is reduced during the movement of the strap (1), wear on the strap (1) is reduced even during repeated length adjustments, and the handling feel is improved.

[0043] Next, as shown in FIGS. 1 to 5, the holder (20) performs the function of selectively pressing and fixing or releasing a portion of the strap (1) received in the buckle body (10). The holder (20) includes a main body portion extending in the front-rear direction, and the main body portion is formed to have appropriate thickness and rigidity as a part that is directly operated by the user with a finger.

[0044] A skirt (22) that is bent downward is formed at each of the left and right ends of the holder (20), and a corresponding hinge hole (21) is formed at the bottom or lower side of the skirt (22). The corresponding hinge hole (21) is formed to be located on the same axis as the hinge hole (11) of the post (12), and the hinge bar (31) passes through the hinge hole (11) and the corresponding hinge hole (21) simultaneously, thereby allowing the holder (20) to be rotatably coupled to the buckle body (10).

[0045] As shown in FIGS. 5 and 6, a holding head (23) for pressing and fixing the strap (1) is formed on the lower side of the holder (20), and the holding head (23) is formed in a sawtooth shape. The sawtooth shape is a structure in which a plurality of teeth are formed continuously, and when the holder (20) performs a closing operation, it contacts the surface of the strap (1) to prevent slipping. The teeth partially interlock with the surface structure of the strap (1), simultaneously generating friction and mechanical locking effects, thereby enabling high fixing force to be secured with relatively low pressure.

[0046] The tooth angle, spacing, and height of the holding head (23) can be appropriately set according to the material and thickness of the strap (1), and it is preferable that it be designed to ensure sufficient fixing force while preventing damage to the strap (1).

[0047] Next, as shown in FIGS. 1 to 5, the puller (30) is configured to pull the strap (1) to move the position of the buckle body (10), and is formed as a bar structure with a circular cross section including a pair of hinge bars (31) and a pulling bar (32) connecting the hinge bars (31).

[0048] Each of the above hinge bars (31) passes through the hinge hole (11) of the post (12) and is inserted into the corresponding hinge hole (21) of the skirt (22) to be rotatably coupled. Accordingly, the hinge bar (31) serves as the rotation axis of the holder (20) and simultaneously functions as part of the structure of the puller (30). This structure has the advantage of reducing the number of parts and simplifying the structure by enabling rotational coupling without adding a separate pivot pin.

[0049] When the user pulls the holder (20) while the end of the strap (1) is connected to the pulling bar (32), the strap (1) is pulled and the buckle body (10) moves along the strap (1). During this process, the slope (13) smoothly guides the movement of the strap (1), reducing friction and enabling smooth length adjustment.

[0050] The operation process of the present invention will be explained in more detail below.

[0051] In the initial state, the holder (20) remains closed, and the holding head (23) presses and fixes the strap (1). In this state, the strap (1) does not move due to external force, so the set length is maintained.

[0052] When the user wants to adjust the length of the strap (1), the holder (20) is lifted to release the pressure. As a result, the strap (1) becomes freely movable within the buckle body (10).

[0053] Subsequently, when the user pulls the holder (20), the strap (1) is pulled by the puller (30) which is pulled together with the holder (20), and the position of the buckle body (10) is moved, and the length of the strap (1) is adjusted accordingly.

[0054] After the length adjustment is completed, when the holder (20) is closed again, the holding head (23) presses the strap (1) again to form a fixed state.

[0055] Accordingly, the present invention minimizes the step difference between the buckle and the strap by structurally forming the lower surface of the buckle body (10) as a non-protruding type and implementing a linear structure in which the strap (1) is positioned on the upper side. In addition, the slope (13) facilitates smooth movement of the strap, and the saw-tooth shaped holding head (23) ensures stable fixation.

[0056] Meanwhile, as shown in FIG. 8, the strap (1) is provided at the rear of the hat body (2) to adjust the circumference of the hat, with one end fixed to one side of the rear of the hat body (2) and the other end supported so as to be movable at the other side of the rear.

[0057] The other end of the strap (1) is configured to pass through the buckle body (10) while positioned along the upper part of the buckle body (10), and the circumference of the hat is adjusted by being pulled by the puller (30).

[0058] The hat body (2) may include a general cap-shaped hat and is formed to have a length corresponding to or greater than the circumference of the wearer's head. The strap (1) is positioned to cross the rear opening area of ​​the hat body (2) so that its length can be adjusted to fit the wearer's head circumference.

[0059] One end of the strap (1) is fixed to one rear side of the hat body (2). The fixation can be achieved through sewing, riveting, heat welding, or other known fixing means, and it is preferable that the one end of the strap (1) be firmly fixed so as not to move relative to the hat body (2).

[0060] Meanwhile, the other end of the strap (1) is provided to be movably supported on the rear side of the hat body (2). Here, "movably supported" means that the other end of the strap (1) is not completely fixed to the hat body (2), but is positioned to be movable in the longitudinal direction through a buckle structure. To this end, the other end of the strap (1) extends in the form of a free end at the rear edge of the hat body (2) or at a location adjacent thereto, and is movable along a path controlled by the buckle body (10) and the puller (30).

[0061] The other end of the strap (1) is positioned to pass through the buckle body (10). More specifically, the other end of the strap (1) enters the internal receiving space through the upper opening of the buckle body (10), is positioned for a certain length, and then forms a path to be drawn out to the front or rear side of the buckle body (10). At this time, the strap (1) is characterized by being positioned along the upper side without descending to the lower side of the buckle body (10), and accordingly, the strap (1) and the buckle body (10) form a linear arrangement structure in which they are substantially arranged on the same plane.

[0062] With this arrangement structure, thickness overlap and step formation that may occur as the strap (1) passes through the lower part of the buckle body (10) are prevented, and the thickness of the entire buckle is kept thin and flat. In particular, even when the buckle comes into contact with the back of the head or scalp when wearing a hat, the phenomenon of a specific part being pressed by the protruding structure is suppressed, so the discomfort and pressure on the wearer are significantly reduced.

[0063] The other end of the strap (1) is also connected to the puller (30). The connection can be made by wrapping or sewing the end of the strap (1) onto the pulling bar (32) to secure it, so that the other end of the strap (1) moves together when the puller (30) is operated.

[0064] When the user wishes to adjust the circumference of the hat, the holder (20) is lifted to release the pressure applied by the holding head (23), and the length of the strap (1) is adjusted by moving the buckle of the present invention along the strap (1), and the circumference of the hat body (2) is gradually decreased or increased.

[0065] After the length adjustment is completed, if the holder (20) is rotated back in the closing direction, the holding head (23) presses the strap (1) to form a fixed state, and the adjusted circumference of the hat is stably maintained.

[0066] In particular, in the structure according to the present invention, the strap (1) is arranged in a line on the upper side of the buckle body (10), and the lower surface of the buckle body (10) is formed as a non-protruding structure, so the contact surface remains flat even when the buckle is in close contact with the scalp when wearing the hat. Accordingly, contact pressure is not concentrated locally but is distributed over a wide area, and marks or pain can be effectively prevented even when worn for a long time.

[0067] Therefore, when applied to a hat circumference adjustment structure, the present invention provides an effect that can significantly improve wearing convenience and user satisfaction beyond a simple length adjustment function.

[0068] In describing the present invention above, the focus has been on a "pressure-relieving strap buckle" having a specific shape and structure with reference to the attached drawings; however, the present invention is capable of various modifications and changes by those skilled in the art, and such modifications and changes should be interpreted as falling within the scope of protection of the present invention. Explanation of the symbols

[0069] 1 : Strap 2: Hat body 10 : Buckle body 11 : Hinge hole 12 : Post 13 : Slope 20 : Holder 21 : Corresponding hinge hole 22 : Skirt 23 : Holding head 30 : Fuller 31 : Hinge bar 32 : Pulling bar

Claims

Claim 1 An upwardly open buckle body (10) that accommodates a portion of the strap (1); a holder (20) for fixing and releasing the portion of the strap (1) accommodated in the buckle body (10); and a puller (30) for pulling the strap (1) when the buckle body (10) moves along the strap (1); wherein the lower surface of the buckle body (10) is formed as a non-protruding structure, and a pair of posts (12) are formed on the buckle body (10) and each having a hinge hole (11) and are erected at the left and right ends, and a pair of skirts (22) are formed on the holder (20) and are bent downward at the left and right ends and each having a corresponding hinge hole (21) corresponding to the hinge hole (11), and the puller (30) has a pair of hinge bars (31) that pass through the hinge hole (11) of each post (12) and are inserted into the corresponding hinge hole (21) of each skirt (22) and rotate, and a pulling bar (32) that connects each hinge bar (31) to each other and to which the end of the strap (1) is connected. A pressure-relieving strap buckle characterized by being formed as a bar structure with a circular cross-section, and having a saw-shaped holding head (23) formed in the holder (20) that pressurizes and fixes a portion of the strap (1) received in the buckle body (10) when the holder (20) is closed relative to each hinge bar (31). Claim 2 delete Claim 3 delete Claim 4 A pressure-relieving strap buckle according to claim 1, characterized in that a slope (13) inclined in the front-rear direction is formed on the front-rear end side of the upper surface of the buckle body (10). Claim 5 A pressure-relieving strap buckle according to claim 1, wherein the strap (1) is provided at the rear of the hat body (2) for adjusting the circumference of the hat, with one end fixed to one rear side of the hat body (2) and the other end supported movably at the other rear side, and the other end of the strap (1) is configured to pass through the buckle body (10) while positioned along the upper part of the buckle body (10), and the circumference of the hat is adjusted by being pulled by the puller (30).

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