KR101577051B1 - Abdominal belt having pressing force regulation structure - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a bag having a pressing force adjusting structure capable of adjusting a length and an urging force so as to be able to be worn and fixed on a waist. The bag has a long shape on both sides, A first main body part 100 whose length is adjusted by the coupling part 110 and a second main body part 200 which is arranged on the other side, a first mechanical part 300 which is arranged on the other side of the first main body part, A wire portion 510 extending to extend and retract a part of the wire in the first mechanism portion and the wire portion extending to one side from the first mechanism portion, And a grip portion (520) for adjusting a pressing force by adjusting a distance between the first and second mechanism portions by providing a tension. Therefore, the adjustment of the length and the adjustment of the pressing force can be operated separately, and the optimum use is possible for each user.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a bag having a pressing force adjusting structure,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a bag, and more particularly, to a bag having a pressing force adjusting structure capable of adjusting a length and an urging force so that it can be worn and fixed on a waist.

Generally, the waistband is fixed to surround the abdomen and the waist, so that the waist of the user is pressed to protect the waist and the spine of the user and to relieve and prevent pain caused by back pain or spinal disc, And the like.

Such a bag has a structure in which a velcro or a fastener is coupled to the end side and the length thereof can be adjusted so that the bag is easily worn on the waist.

Recently, in order to improve the functionality of the bag, a structure capable of injecting air to improve the pressing force or attaching a cold / hot water fomizer is suggested.

Registration Utility Model No. 20-0400508 discloses a recent improved structure of the abdomen.

The prior art bag is shown in Fig. 1, in which the waist support portion A having a function is arranged to face the waist and the Velcro 20 disposed in the elastic band D is configured to be able to be fixed to the waist. At this time, as a structure for improving the urging force, a tightening strap 11 which is connected in zigzag to both sides of the waist supporting portion A is arranged and the pressing force applied to the waist through the operation of the tightening portion 12 can be adjusted.

However, since the improvement of the structures for adjusting the length is made on the side where the waist support portion A is disposed, there is a problem that the operation is inconvenient because it is necessary to operate the waist behind the waist. In addition, This was difficult or difficult to control the compression force.

Further, since the shape of the waist is irregular for each user, when the pressing force is adjusted using air or a string, there is a problem that it is difficult to flexibly cope with each body part of each user. In other words, the pressing force adjusting structures of the related art adjust the length of the entire cylindrical body, which makes it difficult to provide close contact and uniform pressing force on the part of the human body that is suitable for the height.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a bag having a pressing force adjusting structure having a structure that is easily adjusted in length while being optimized for a user's body.

It is another object of the present invention to provide a bag having an improved pressing force control structure with improved maintenance and stability and durability.

The present invention is characterized in that a first body part (100) having a long shape on both sides so as to surround a waist and arranged on one side and adjusted in length by a fastening part (110) between them, and a second body part 200, a first mechanism portion 300 disposed on the other side of the first main body portion, a second mechanism portion disposed on one side of the first main body portion, a wire extending partly from the inside of the first mechanism portion and the second mechanism portion, And a grip portion 520 coupled to both ends of the wire portion extending from the first mechanism portion to one side thereof and adjusting a distance between the first and second mechanism portions by providing tension to the wire portion, A bag having a pressing force adjusting structure is provided. Therefore, the adjustment of the length and the adjustment of the pressing force can be operated separately, and the optimum use is possible for each user.

And a binding unit 610 disposed in the longitudinal direction of the first body unit and the first body unit and coupled to the handle unit.

The fixing unit may protrude from the front surface of the first body portion and the second body portion and may be detachably attached to the fixing holes formed on the bottom surfaces of the first and second mechanical portions. Therefore, it is easy to change the position and detachment of the mechanism portion.

The first mechanism portion includes a lead portion formed on the center side in the longitudinal direction so that the wire portion is pulled out to one side, a center side guide roller arranged to correspond to the lead portion, And the second mechanism portion is provided with a plurality of guide rollers which are arranged symmetrically in the longitudinal direction so that a part of the wire portion extending from the center side guide roller is wound and turned in the direction of 180 degrees And a supporting roller which is wound on a part of the wire portion so as to connect the wire portion to the outer circumferential side of the arrangement of the plurality of guide rollers and which is turned in the direction of 90 degrees and is arranged at the upper and lower end sides.

The first mechanism portion and the second mechanism portion have a semicircular guide projection portion for guiding the wire portion between the inner circumferential surface and the outer periphery of the plurality of guide rollers and an arc-shaped support projection portion for guiding the wire portion between the inner circumferential surface and the outer periphery of the support roller can do.

The first mechanism portion may further include a side guide portion formed on the upper and lower sides so as to guide the wire portion in the tangential direction of the center side guide roller to guide the wire portion.

Wherein the first mechanism portion comprises a first bracket having a pin portion formed to rotatably support a center side guide roller and a plurality of guide rollers and a first cover covering the first bracket from above, And a second cover for covering the roller and the support roller from above, and a second cover for covering the second bracket from above.

It is preferable that the first mechanism portion further includes a wire support portion protruding downward from the first cover to fix the wire portion guided from the side guide portion downward.

Basically, the adjustment of the length of the bag having the pressing force adjusting structure according to the present invention is made by the fastening state of the fastening portion of the body portion, and by the operation of the wire portion 510 capable of adjusting the interval between the mechanism portions in the fastened state Since the pressing force can be adjusted, it is possible to perform the function of the bag more effectively.

In addition, since the single wire is arranged in a staggered manner between the first and second mechanism portions, it is possible to adjust the gap and the tension in a manner of pulling out from the center side of one side, And the durability in use and the reliability of operation are improved.

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a plan view of a prior art bag.
2 is a plan view showing a bag having a pressing force adjusting structure according to the concept of the present invention;
Fig. 3 is a bottom view of Fig. 2; Fig.
4 is a plan view showing a body portion in a bag having a pressing force adjusting structure of the present invention.
5 is a plan view showing a pressing force adjusting unit in a bag having a pressing force adjusting structure according to the present invention.
Fig. 6 is a bottom view of Fig. 5; Fig.
7 is a plan view showing a structure of a pressing force adjusting portion of a preferred embodiment of the present invention.
8 is a bottom view showing a cover in a pressing force adjusting portion of a preferred embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a bag according to an embodiment of the present invention; FIG.

2 is a plan view of a bag having a pressing force adjusting structure showing the basic structure of the present invention.

The present invention basically comprises a first body portion 100 and a second body portion 200 disposed on one side and a second body portion 200 disposed on one side so as to cover the waist, A second mechanism 400 disposed on one side of the second main body 200 and a second mechanism 400 disposed on the other side of the first and second mechanisms 300 and 400, And a handle 520 for adjusting the distance between the first and second mechanical parts 300 and 400 by providing a tension to the wire part 510. [ .

In the description of the present invention, the side on which the first main body 100 is disposed is defined as one side, the side on which the second main body 200 is disposed is defined as the other side, , And the facing side is defined as the inner surface or the inner surface.

In the concept of the present invention, the body portions 100 and 200 surrounding the waist are composed of two members, and the pressing force can be adjusted while being separated from each other by the operation of the wire portion 510 and the mechanism portions 300 and 400 .

The fastening part 110 is formed on the body part so that it can be brought into close contact with the waist when the user wears the fastening part 110. The fastening part 110 is preferably made of velcro in consideration of the length adjustment and repeated detachment.

The fastening part 110 is formed at the end of the main body part, that is, at the outer surface of one end of the first main body part 100 and the inner surface of the other end side of the second main body part 200, Lt; / RTI > The arrangement of the fastening part 110 in the first body part 100 and the second body part 200 may be interchanged with those in the example of FIG. 2. The first and second mechanical parts 300, It will be apparent to those skilled in the art that the arrangement of the substrate 400 may also be interchanged.

Here, the fastening part 110 and the mechanism part function in common in terms of length adjustment. However, the fastening part 110 functions to adjust the length so as to fit the circumference of the waist at the front side, It should be noted that there is a difference in that the function of providing the pressing force by adjusting the interval of the main body portion from the rear side by the operation of the wire portion 510 after the coupling portion 110 functions.

The first body part 100 and the second body part 200 are preferably made of a flexible material so as to cover the waist, and a part or all of the elastic material may be disposed. However, in the prior art bag, the main body is made of one member, and the stretching force and the length of the fastening portion are adjusted to adjust the pressing force, whereas the concept of the present invention primarily adjusts the length of the fastening portion 110, It is preferable that the elasticity is substantially non-stretchable or limited because it provides a pressing force in the mechanical part.

The first mechanism part 300 and the second mechanism part 400 are arranged to face each other on the front surface of the first body part 100 and the second body part 200 facing each other, 510 can be pulled out. Such a wire operating mechanism will be described later.

The first and second mechanical parts 300 and 400 are disposed on the opposite sides of the first and second main parts 100 and 200, And a longitudinal length substantially corresponding to a length in the longitudinal direction of the second body portion 200 facing the longitudinal direction.

Accordingly, as described later, the wire part 510 is arranged in a zigzag form inward and outward along the longitudinal direction of the mechanism part, so that the length of the wire part 510 can be adjusted for different positions in the longitudinal direction. It becomes possible to cope with the length.

The wire portion 510 is drawn out to one side of the first mechanism portion 300 and the second mechanism portion 400 and the handle portion 520 is coupled to the end portion side. The grip portion 520 has a width and shape that can be gripped by the hand and a predetermined binding member that can be coupled to the outer surface of the first body portion 100 or the second body portion 200 is disposed inside .

It is preferable that the binding member disposed on the handle 520 is made of Velcro for repetitive operation, but it is not limited to this, and a member such as a snap button, a fastener, or the like may be disposed.

The binding portion 610 may be disposed in the main body portion for coupling the binding portion disposed in the pull portion 520. In order to adjust the pressing force effectively, the binding portion 610 may be formed long in the longitudinal direction It is preferable that it is formed as long as possible.

The grip portion 520 extends from the first mechanism portion 300 and is bound to the binding portion 610 formed on the outer surface of the first body portion 100 in the longitudinal direction. This arrangement can be made on the side of the second mechanism part 400 as described above and the handle part 520 of the wire part 510 extending from the first mechanism part 300 side is connected to the second body part 200 And may be bound to the unit 610.

As described later, since the first and second mechanical parts 300 and 400 are detachable from the main body part and can be mutually changed in position, the binding part 610 can be attached to the first main body part 300, Both of the first and second main body portions 100 and 200 are formed on the outer surface of the second main body portion 200.

The first body portion 100 and the second body portion 200 are spaced apart from each other by a predetermined distance in the height direction, It is preferable that the length in the height direction can be increased toward the viewer side and the height at the opposite end side is the longest.

Fig. 3 is a rear view of the bag having the pressing force adjusting structure of Fig. 2; Fig.

Since the back surface of the bag having the pressing force adjusting structure is substantially in contact with the user's body, the contact surface portion 120 is formed on the inner side in consideration of the tactile and compressive functions, and a hole for circulation of air or moisture A material for frictional force and a projection-like shape can be formed.

Since the first and second mechanical parts 300 and 400 are disposed on the front surface of the body part, they are not shown on the rear surface, and the wire parts 510 are arranged substantially equidistantly in the longitudinal direction.

As described above, the fastening portion corresponding to the fastening portion of the first main body 100 may be formed on the inner surface of the end portion of the second main body 200.

4 is a view showing a state in which a main body is disassembled in a bag having a pressing force adjusting structure of the present invention.

In the illustrated embodiment of the present invention, the fastening part 110 is formed on the outer surface at one end of the first body part 100, the fastening part 610 is arranged in the longitudinal direction, and the fastening part of the first mechanical part 300 The first fixing part 550 is formed. Similarly, the second body portion 200 has a second fixing portion 560 disposed on one side thereof, a coupling portion 610 formed along the longitudinal direction thereof, and a coupling portion 110 formed on the inner surface of the first side.

The first fixing part 550 and the second fixing part 560 may be formed as a structure for attaching / detaching the mechanical part. For this purpose, the first fixing part 550 and the second fixing part 560 may protrude outward from the first and second main parts 100, And may be arranged at regular intervals along the longitudinal direction. Such a fixing part may be inserted and fixed in a fixing hole formed on the rear surface of the mechanical part as described later.

The fixing portion may have a predetermined columnar shape and an area of a cross section on an end side thereof may be wider than a lower portion thereof so that the end portion may be inserted and fixed to the inside of the mechanical portion.

The main body front surface on the side where the first fixing portion 550 and the second fixing portion 560 are disposed is made of a material harder than the other portions in order to improve the durability and the shape maintenance ability in the process of attaching and detaching the fixing portion And it is preferably made of a resin material such as PP or PE.

FIG. 5 is a plan view showing a pressing force adjusting unit in a bag having a pressing force adjusting structure of the present invention, and FIG. 6 is a bottom view of FIG.

The first mechanism part 300 is disposed on one side and the second mechanism part 400 is disposed on the other side as shown in the above embodiment and structures in which the wire part 510 can be stored and taken out are disposed inside the mechanism parts.

The wire portions 510 are arranged between the mechanism portions so as to be substantially equally spaced in the height direction, and the distance therebetween is adjusted.

Both ends of the wire portion 510 extend to one side of the first mechanism portion 300 and are coupled to the handle portion 520. The handle portion 520 is coupled to the binding portion 610 disposed at the main body portion, The process is as described above.

It is preferable that the wire portion 510 is made of a single wire, and the arrangement of the wire portion 510 will be described later in the description of FIG.

6 shows a bottom surface of the pressing force adjusting unit. The bottom surface of the mechanical parts is fixedly attached to the first fixing surface 551 and the second fixing surface 561 shown in FIG. 4, And the fixing hole 310 formed on the bottom surface of the second mechanism part 400 and the fixing hole 310 formed on the bottom surface of the first mechanism part 300, .

Since the first fixing part 550 and the second fixing part 560 have a wide cross section at the top end, the fixing hole 310 has a shape in which the top surface of the fixing part can be inserted, So that the top surface can be engaged with the bottom surface of the fixing part.

The fixing hole 310 is formed in the shape of a crosshair. When the upper portion of the fixing portion is inserted into a large area formed on the other side of the first mechanism portion 300 and the fixing portion is moved to one side with respect to the mechanical portion, And the upper end of the guide can be hooked to the bottom of the mechanism.

In order to provide a pushing force, the bag having the pressing force adjusting structure of the present invention receives force in a manner that the body portion or the mechanism portions are adjacent to each other. Therefore, in order to secure the fixing force, Is formed to be small.

Each of the mechanical parts may be composed of a member that can be disassembled into an upper part and a lower part in consideration of convenience of manufacture and maintenance, and a fastening member 321 is engaged for fastening.

Since the bottom surface of the mechanism part is in close contact with the entire surfaces of the first and second fixing surface portions 551 and 561, And may be formed in an inclined shape toward the outside of the other side.

That is, in the state where the mechanism portion is disposed in the main body portion, the side where the wire portion is not opposed to the wire portion is provided with a gap spaced from the fixed surface portion, and the slope portion 312 is formed so that a finger or a tool can be inserted into the gap.

The fixing holes 310 may be symmetrical in the vertical direction so that mutual positions can be changed at the fixing portions.

7 is a view showing a bracket disposed on the lower side in a state in which the pressing force adjusting unit of the present invention is disassembled.

These brackets will be described in more detail by the arrangement of the operating members of the wire for the adjustment of the length of the wire, more precisely the adjustment of the distance in the course of drawing and storing.

A first bracket 301 constituting a first mechanism part 300 is disposed on one side and a second bracket 401 constituting a second mechanism part 400 is disposed on the other side.

As described above, in the embodiment of the present invention, since the end portion of the wire portion 510 is drawn out to one side, the first bracket 301 is provided with the lead portion 330 which can draw out the end portion of the wire portion to one side . When the lead portion 330 is formed as a through-hole, it may be formed by two holes, but it may be formed in the form of an opening, a step, or the like.

A fastening hole 320 is formed in the first bracket 301 so that the fastening member 321 can be inserted through the fastening hole 321. The fastening hole 320 can be selectively arranged to inhibit the operation of the wire 510 When placed in a position that can not be satisfied.

The wire unit 510 is disposed in a zigzag form between the first and second mechanical units 300 and 400 and guides the movement of the wire unit while minimizing the resistance to provide a natural operation. .

The roller may be a plurality of roller members, and a ring-shaped groove may be formed in the side wall to prevent the wire part 510 from being partially or completely inserted.

When the wire 510 is pulled out toward the first mechanism part 300, the first bracket 301 has an odd number of rollers and the second bracket 401 has an odd number of rollers. The number of rollers is an odd number.

The guide roller 710 disposed on the longitudinal center side of the first bracket 301 is disposed so as to face the lead portion 330 and has a wire portion 510 extending from the longitudinal center side of the second bracket 401 Of the outer surface of the outer surface of the wire 510. In contrast to the other rollers to be described later, there is a difference in that the wire portion 510 is not partially wound on the outer surface. The center side guide roller 710 may be omitted in some cases. In this case, the first bracket 301 may be an even number, but a predetermined wire guide means capable of replacing the center side guide roller 710 may be disposed Side guide rollers 710. [0051] As shown in FIG.

The shape of the wire portion 510 extending from the lead portion 330 will be described in more detail. When the wire portion 510 is extended from the lead portion 330 to the first bracket 301, Two strands of the wire portion 510 are extended to the second bracket 401 side in a partly contacted state and partly wound on a pair of guide rollers 710 facing each other on the center side while being separated upward and downward, 180 degrees and then again to the side of the first bracket 301 and partially wound on the guide roller 710 disposed on the upper side of the first bracket 301 to be arranged in a zigzag form in the vertical direction from the center do.

The wire portions 510 extending from the guide roller 710 disposed at the upper and lower ends of the first bracket 301 toward the second bracket 401 are formed to extend from each other, (710).

Support rollers 720 are disposed at the upper and lower ends of the second bracket 401 to arrange the wire portions 510 on the outer periphery of the arrangement of the guide rollers 710 of the second bracket 401.

It is preferable that the support roller 720 has a diameter smaller than that of the guide roller 710 and the guide roller 720 may be fixed to the guide roller 710 in order to prevent interference of the wire portion 510, (710).

The first bracket 301 and the second bracket 401 may be provided with guide pin portions 711 and support pin portions 721 corresponding to the arrangement of the rollers and projecting toward the front side have. A predetermined hole is formed in the center of each of the rollers for insertion and rotation of the pins.

In the operation of each roller, there is no problem when the wire portion is extended or contracted, that is, the tension is applied to the outside of the lead portion 330 by the handle 520. However, in the relaxed state, the wire portion 510 There is a possibility of deviation.

For this purpose, on the outer circumferential side where the respective rollers are disposed, a protruding portion which can be supported in such a manner that the wire portion 510 is inserted between the inner circumferential side and the outer surface of the roller can be formed.

These protrusions may be divided into a guide protrusion 712 formed on the outer circumference side of the guide roller 710 and a support protrusion 722 formed on the outer circumference side of the support roller 720 in the form of a call.

The shape of the protrusions can be selectively made, and is particularly meaningful in the length of the outer periphery of the roller. The guide protrusion 712 and the support protrusion 722 may be formed to correspond to the length of the wire 510 wound on the guide roller 710 and the support roller 720.

That is, in the guide roller 710, the guide portion 712 is formed in a semicircular shape because the wire portion 510 is turned 180 degrees. In the support roller 720, the wire portion 510 is turned The supporting protrusion 722 can be made of a circle having a length of 1/4 of a concentric circle.

At this time, in the first bracket 301, the supporting protrusions 722 protrude from one side of the first bracket 301 in the direction in which the supporting protrusions 722 face one side, Is also formed in a direction looking up and down.

However, in the case of the guide roller 710 disposed on the center side of the first bracket 301, there is a difference in the winding state due to the drawing-out of the wire portion 510 to the lead-out portion 330, A side guide portion 761 may be formed on the upper and lower sides of the guide roller 710 on the center side so as to guide the extension of the wire portion 510 in the tangential direction.

A substantially arc-shaped center guide portion 760 may be disposed at one side of the center-side guide roller 710 so as to guide the extension of the wire portion 510 between the side guide portion 761 and the center guide roller 710 The center guide portion 760 has a difference in that the wire portion 510 is not supported on the inner circumferential side, unlike the other protrusions.

8 is a bottom view showing the cover of the pressing force adjusting portion in the bag having the pressing force adjusting structure of the present invention.

A first cover 302 and a second cover 402 are formed so as to cover the upper surfaces of the first bracket 301 and the second bracket 401 and to be fastened by the fastening member 321. [

The first cover 302 and the second cover 402 are formed to correspond to the planar shapes of the first bracket 301 and the second bracket 401 and are respectively formed with fastening grooves 322 Can be disposed so that the end of the fastening member 321 can be inserted.

The cover preferably has a structure capable of fixing the operation of the roller and the wire on the bottom surface, and the seat corresponding to each roller may protrude from the bottom.

The seat portion includes a guide seat portion 730 having a cylindrical shape into which a guide pin portion 711 of the guide roller 710 can be inserted and a cylindrical seat portion 730 into which the support pin portion 721 of the support roller 720 can be inserted And a support seating portion 749.

The bottom surface of the guide seat part 730 and the support seat part 749 may be in contact with the upper surface of the roller, but the height of the seat part may be such that the roller can be moved up and down to some extent in order to minimize the rolling resistance of the roller. .

As described above, the side guide portion 761 and the center guide portion 760 can be disposed to draw out the wire portion 510 from the first bracket 301. The center guide portion 760, A wire supporting portion 750 may be further formed to project downwardly along the arrangement of the wire portions 510 in order to prevent the possibility of disengaging the wires from the upper and lower spaces when the wires are drawn out.

The center guide part 760 and the side guide part 761 may be formed in such a manner that an opening is formed on the upper and lower sides of the semicircle as a whole, and the wire supporting part 750 may be formed to cover the opening. Preferably, the wire support 750 may be formed in a semicircular shape having an open center.

By adjusting the pressing force control structure according to the concept of the present invention described above, it is possible to adjust the length basically by the fastening state of the fastening part 110 of the body part, Since the pressing force can be adjusted by the operation of the wire portion 510, it has an advantage that it can perform the function of the bag more effectively.

In addition, since the single wire portion 510 is arranged in a zigzag form between the first mechanism portion 300 and the second mechanism portion 400, the gap and the tension can be adjusted by pulling out from the center side of one side, It is possible to adjust the pressing force and to improve the durability in use and the reliability of operation.

In the foregoing, the present invention has been described in detail based on the embodiments and the accompanying drawings. However, the scope of the present invention is not limited by the above embodiments and drawings, and the scope of the present invention will be limited only by the content of the following claims.

100 ... first main body part 110 ... fastening part
120 ... contact surface portion 200 ... second main body portion
300 ... first mechanism part 301 ... first bracket
310 ... fixing hole 312 ... beveled surface
320 ... fastening holes 321 ... fastening members
330 ... lead-out part 400 ... second mechanical part
401 ... second bracket 510 ... wire portion
520 ... handle portion 550 ... first fixing portion
551 ... first fixing surface portion 560 ... second fixing portion
561 ... second fixing surface portion 610 ... binding portion
710 ... guide roller 711 ... guide pin portion
712 ... guide protrusion 720 ... support roller
721 ... supporting pin portion 722 ... supporting projection portion
730 ... Guide seat part 749 ... Support seat part
760 ... center guide portion 761 ... side guide portion

Claims (8)

A first body part 100 having a long shape on both sides so as to cover the waist and having a length adjusted by a fastening part 110 disposed on one side and a second body part 200 disposed on the other side;
A lead portion formed on the other side of the first main body portion and formed on the center side in the longitudinal direction so that the wire portion 510 is pulled out to one side, a center side guide roller arranged to correspond to the lead portion, And a plurality of guide rollers arranged symmetrically with respect to the first direction and being wound around a portion of the wire portion and turning in the direction of 180 degrees;
A plurality of guide rollers disposed on one front side of the second main body portion and arranged in a longitudinal direction symmetrically so as to partially turn a wire portion extending from the center side guide roller and turn in the direction of 180 degrees; A second mechanism part having a supporting roller which is wound on a part of the wire part to be connected to the part and which is turned at 90 degrees and arranged at the upper and lower end sides; And
And a grip portion 520 coupled to both ends of the wire portion extending from the first mechanism portion to one side thereof and adjusting a pressing force by adjusting a distance between the first and second mechanism portions by providing tension to the wire portion,
Wherein the first mechanism portion includes:
Side guiding portions and arc-shaped center guide portions which are formed on the upper and lower sides so as to guide the wire portions in the tangential direction of the center-side guide rollers so as to guide the wire portions; And a wire support portion protruding to the bottom portion so as to be in contact with the base portion.
The method according to claim 1,
And a binding part (610) arranged in the longitudinal direction of the first body part and the first body part and coupled with a handle part.
The method according to claim 1,
And a fixing portion protruding from the front surface of the first body portion and the second body portion and detachably attached to the fixing hole formed on the bottom surfaces of the first and second mechanical portions. .
The method according to claim 1,
The wire-
And the side guide portion and the center guide portion are formed in a semicircular shape having an open center side, and covers an opening formed by the side guide portion and the center guide portion, respectively.
5. The method of claim 4,
The first and second mechanical parts may include:
Shaped projecting portion for guiding the wire portion between the inner circumferential surface and the outer periphery of the plurality of guide rollers and an arc-shaped support protrusion for guiding the wire portion between the outer circumference of the inner circumferential surface and the support roller Bands that are.
6. The method of claim 5,
Wherein the first mechanism portion includes:
A first bracket for forming a pin portion for rotatably supporting the center side guide roller and the plurality of guide rollers, and a first cover covering the first bracket from above,
The second mechanism portion
And a second cover which covers the second bracket from above, wherein the second cover is provided with a pin portion for rotatably supporting the plurality of guide rollers and the support roller.
The method according to claim 6,
Wherein the first cover and the second cover are made of metal,
And a guide seat part or a support seat part protruding to the bottom part in the form of a cylinder so that the pin part can be inserted thereinto.
8. The method of claim 7,
Wherein the guide seat portion and the support seat portion are provided with:
Wherein the pin is formed at a height such that the rollers can move in the height direction in order to minimize the rotational resistance.

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