JP2012130471A - Mounting structure of shouldering belt - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve detaching/attaching operability of a shouldering belt when shouldering or removing a knapsack body of a satchel, a rucksack, a day bag or the like on/from a back of a human, and to secure an excellent mounting condition in which the whole of a back support part of the knapsack body adheres to the back of the human.SOLUTION: The satchel 1 includes: a back support part 3 which touches the back of a human by an adhering condition; and a knapsack body 5 which has a housing part in the inside. The satchel 1 includes one right and left pair of back load belts 7 which are turned to be hung at right and left shoulders of the human 2 so that the knapsack body 5 is loaded on the back, supports the upper end part of the back support part 3 of an upper portion of the knapsack body 5, and supports the lower end side of the back support part 3 of the knapsack body 5.

Description

  The present invention is such that the back body, which is carried on a person's back, such as a school bag, a rucksack, a debugging bag, etc. is hung around to be carried on the left and right shoulders of the person, supported by the back part body, and attached. The present invention relates to a mounting structure for a shoulder belt in a backrest.

  There are various shapes and structures of backs such as school bags, rucksacks, and debugging bags, but most of them are in close contact with the back of the person and have a back support that is supported. The back part of the body with a storage part inside and the back part of the back part of the person And a pair of left and right shoulder belts for supporting the lower end side below the back rest portion of the back portion main body.

  In addition, the pair of left and right shoulder straps is formed by connecting the upper end of a connecting body provided on the upper side of the backrest portion of the backrest body, and on the lower side of the backrest portion of the backrest body. The lower end side to be supported is connected to the lower part of the back support portion of the back portion main body that is normally supported so that the length thereof can be adjusted.

  In addition, as shown in Patent Documents 1 and 2 below, the back belt includes an upper belt formed by connecting an upper end to a connecting body provided on the upper side of the back support portion of the back portion main body, It is supported by the lower part of the back part of the back part body, and is composed of a lower belt extending from the lower part, and the lower end of the upper belt and the upper end of the lower belt correspond to the size of the shoulder part to wrap around, and the coupling There are some which are variable in position and can be connected to each other so that the length can be adjusted. In other words, the shoulder belt having such a configuration is a buckle that allows the lower belt end to be connected to the upper belt upper end, and the end of the other belt to be inserted into either the upper belt lower end or the lower belt upper end. A plurality of fastening holes are formed at predetermined intervals in the length direction of the other belt with respect to the belt on which the connection ring is supported, and the other belt is inserted into the connection ring. Thus, the fastening needle supported by the connecting ring is fastened to the fastening hole at an arbitrary length position. As a result, the fastening and joining positions of the end portions of the other belts inserted into the connecting ring with respect to the connecting ring can be varied, and the upper and lower belts can be connected to each other so that the length can be adjusted.

Utility Model Registration No. 3133399 JP 2008-54940 A

  By the way, the conventional back belt represented by each said patent document 1 and 2 adjusts the fastening joint position of the lower end of an upper belt, and the upper end of a lower belt, and the whole length of the back belt with respect to a back part main body. It is possible to variably adjust the length, but in order to make the entire backrest part of the back part body in close contact with the person's back, set the overall length as short as possible Is desired.

  That is, if the overall length of the shoulder belt is made longer than necessary, a force is exerted in a direction in which the upper position of the backrest part is separated from the person's back, and this phenomenon particularly occurs in the storage part of the back part body. It is likely to occur when a heavy load is stored in the container, or a heavy object is stored near the bottom of the storage part, and is likely to occur as the center of gravity of the back part body becomes lower. It was.

  However, if the overall length of the shoulder belt is shortened more than necessary to eliminate these problems, it will be difficult to operate the shoulder belt around the shoulder when carrying the back body. There was a bug.

  The present invention has been made paying attention to such conventional problems, such as a school bag, a rucksack, a debug bag, etc., and the body part of the back is carried on a person's back or from the person's back. The purpose is to improve the detachability of the shoulder belt in the case of detachment, and to ensure a good wearing state in which the entire backrest portion of the back portion main body is in close contact with the back of the person.

  In order to achieve the above object, claim 1 of the present invention is provided with a back support portion that is in close contact with a person's back, such as a school bag, a rucksack, and a debug bag, and is supported by the person's back. The back part body with the storage part and the person's left and right shoulders are hung around the back part body, and the upper end part is supported above the back support part of the back part body And a pair of left and right shoulder belts that support the lower end side of the back portion of the back portion of the back portion of the back portion main body. Inside the abutting portion, the casing is fixed so as to extend in the vertical direction of the back abutting portion and extends upward from the lower end side of the back abutting portion, and its one end is supported by the upper end portion inside the casing, and the casing A pull that extends downward inside A spring and a slide pin supported on the lower end side of the tension spring in the casing and capable of moving up and down while being guided in the longitudinal direction of the casing against the tension force of the tension spring, and The shoulder belt supported by the upper end of the backrest portion of the back portion main body is inserted into the casing through the opening provided below the casing, and the lower end side forming the other end side is hung around the slide pin. The shoulder belt, which is fastened to the lower end side of the casing and thus supported by the back portion main body, hangs around the shoulder portion, and in the state where the back portion main body is carried on the back of the person, A pulling force in the direction of pulling into the casing from the opening through the slide pin is applied to the end side, and the entire backrest part of the back body is in close contact with the human back Thereby enabling the to mounting structure of the backpack belt, characterized in that the that is biased to act in that direction.

  Further, according to a second aspect of the present invention, the casing is supported so as to be in close contact with the inner side of the backrest portion of the back portion main body, and is fixed in a generally flat shape that can be fixed. It has a structure.

  According to a third aspect of the present invention, the casing comprises a generally flat box having an opening for inserting the lower end of the belt carrying the back at the lower end into the casing. There is a tension spring that supports the upper end and extends downward, and is supported and coupled to the lower end of the tension spring inside the box, inserted into the box, A slide body capable of moving up and down so as to resist a pulling force is provided, and the slide pin is guided in the longitudinal direction in the casing while being pivotally supported by the slide body, and can be moved up and down. The backpack belt mounting structure described in 2 is adopted.

  According to a fourth aspect of the present invention, the pair of left and right shoulder belts includes an upper belt formed by coupling an upper end of a connecting body provided on an upper side of the backrest portion of the backrest body, and a backrest. It consists of a lower belt that is supported on the lower side of the back support part of the main body and extends from the lower side, and the lower end of the upper belt and the upper end of the lower belt correspond to the size of the shoulder that hangs around, and its coupling position is variable The backpack belt mounting structure according to any one of claims 1 to 3, which can be connected to each other so as to be adjustable in length.

  According to a fifth aspect of the present invention, there is provided a connecting ring for connecting the lower end of the upper belt and the upper end of the lower belt so that the end of another belt can be inserted into either the lower end of the upper belt or the upper end of the lower belt. The upper and lower belts are connected to each other in such a manner that the lengths thereof can be adjusted by changing the fastening connection position of the end of another belt inserted into the connection ring with respect to the connection ring. This is a belt mounting structure.

  According to the present invention, in the back of a school bag, a rucksack, a debug bag, etc., the detachable operability of the back belt is improved when the back body is carried on the person's back or detached from the person's back. Therefore, it is possible to secure a good wearing state in which the entire backrest portion of the back portion main body is in close contact with the back of the person.

It is a whole perspective view of the school bag which employ | adopted the attachment structure of the shoulder belt which concerns on embodiment of this invention. It is a side view which shows a partially broken school bag. It is a perspective view of the casing fixed inside a backrest part. It is a perspective view which shows the inside of a casing. It is sectional drawing which follows the VV line of FIG. It is sectional drawing similar to FIG. 5 which the slide body moved downward. It is a side view which shows the state which carried the school bag which concerns on embodiment.

  Hereinafter, a back belt mounting structure as an embodiment of the present invention will be described by taking the backpack 1 shown in FIGS. 1 to 7 as an example. As shown in FIG. 7, the backpack 1 as a backrest is in contact with the back of a person 2 in a close contact state and includes a flat back support part 3 to be supported. The back part main body 5 is provided.

  That is, the back portion main body 5 having an overall box shape can open the inner storage portion 4 upward by opening the cover plate 6 in the direction of arrow A in FIG. 1, and the textbook in the storage portion 4. And school supplies can be stored. The school bag 1 is hung so that the back portion main body 5 is carried on the left and right shoulders of the person 2, and the upper end portion is supported above the back rest portion 3 of the back portion main body 5, A pair of left and right shoulder belts 7 that support the lower end side of the backrest 3 of the body 5 are provided.

  Each of the left and right shoulder belts 7 includes an upper belt 7A having an upper end coupled to a connecting body 9 provided on the upper side of the backrest portion 3 of the backrest main body 5, and a backrest of the backrest main body 5. The lower belt 7B extends from the lower side of the portion 3. The upper belt 7A and the lower belt 7B correspond to the size of the shoulder portion of the person to be hung around, the coupling position of the upper belt 7A and the lower belt 7B can be changed, and the lengths can be connected to each other.

  The upper belt 7A is arranged on the upper side of the backrest portion 3 of the back portion main body 5 as described above, and is connected to the supported connecting body 9 by connecting the upper end portion thereof, and is provided on the left and right. Each connected body 9 is provided so as to face outward (in the direction of arrow B in FIG. 1) with the upper center of the backrest portion 3 as a reference.

  The lower end of the upper belt 7A and the upper end of the lower belt 7B are connected to each other by inserting the lower end side of the upper belt 7A through the buckle-like connecting ring 10 supported by the upper end of the lower belt 7B. Arbitrary length positions are fixed to the connecting ring 10 and bonded.

  That is, a fastening needle 11 is supported on the connecting ring 10 that allows the lower end side of the upper belt 7A to be inserted, and a plurality of fastening needles 11 are formed at predetermined intervals in the length direction on the lower end side of the upper belt 7A. Of the fixing holes 12 to be provided, the fixing holes 12 are fixed to the fixing holes 12 at arbitrary positions.

  This makes it possible to change the fastening connection position of the lower end portion of the upper belt 7A inserted through the connection ring 10 with respect to the connection ring 10, and to connect the upper and lower belts 7A and 7B to each other so that the length can be adjusted. It becomes possible to adjust the overall length of the back belt 7 in accordance with the size of the shoulder portion of the person 2.

  The back portion main body 5 is provided with an overall long casing 13 that extends upward from the lower end side of the back rest portion 3 along the vertical direction inside the leather material constituting the back rest portion 3. It is fixed (see FIG. 2). As shown in FIG. 1, a pair of right and left casings 13 are provided corresponding to the shoulder belt 7 as shown in FIG. 1, and the casing 13 is sandwiched between a leather material constituting the backrest portion 3 and a leather material 14 superimposed on the inside thereof. It is supported and fixed inside the abutting portion 3 (see FIG. 2). For this reason, the casing 13 is sandwiched between these two leather materials 3, 14, is supported so as to be in close contact with the inner side of the backrest portion 3, and has a generally flat shape.

  As shown in FIG. 3, each of the two casings 13 has a generally rectangular flat shape extending upward from the lower end portion inside the backrest portion 3, and the base end portion of the lower belt 7B is formed at the lower end portion. It consists of a box provided with an opening 15 for insertion into the casing 13. That is, the casing 13 is a box having a U-shaped shape that allows the lid 16 to be attached with screws 17 as is apparent in the state shown in FIG. 4 with the lid 16 on the backrest 3 side removed. A main body 13A is provided. The casing 13 includes a cylindrical space 18 penetrating in the vertical direction inside, and the space 18 can be defined between the U-shaped concave portion of the box body 13A and the lid body 16 to be attached.

  In the space 18 extending in the vertical direction, a slide body 19 that can move up and down in the space 18 is disposed. The slide body 19 has a gate shape when viewed from the direction of the arrow C in FIG. 4, and the slide pin 20 penetrates in the direction of the lower end arrow X. That is, when viewed from the front (in the direction of arrow C in FIG. 4), the slide pin 20 is pivotally supported by the slide body 19 having a portal shape and is disposed at the lower portion thereof. Each end portion of the slide pin 20 that is further protruded is engaged with a guide hole 21 that is drilled in the longitudinal direction of the side portion of the box body 13A. Thereby, the slide body 19 can be moved up and down in the longitudinal direction (Y direction in FIG. 4) in the space 18 in a state in which each end portion of the slide pin 20 is guided in the guide hole 21.

  On the upper side of the space 18 in the casing 13, there is provided a tension spring 8 that supports the upper end portion on the upper end portion in the casing 13 and extends downward in the space 18. That is, the tension spring 8 is pin-coupled at the upper end portion to the upper end portion of the box body 13A, and the lower end portion is supported and coupled to the hook portion 22 formed at the upper portion of the slide body 19.

  Thus, the slide body 19 can be moved up and down against the pulling force of the tension spring 8 in a state of being inserted into the space 18 in the casing 13, and the slide body 19 is moved upward in the space 18. The upper slide position is regulated by the stopper pin 23 provided.

  A slide pin supported on the lower end side of the tension spring 8 in the casing 13 and supported by a slide body 19 which is guided in the longitudinal direction in the casing 13 and moved up and down so as to resist the tension force of the tension spring 8. 20, the base end side of the lower belt 7 </ b> B inserted from the opening 15 below the casing 13 into the space 18 is wound around as shown in FIG. 5 or FIG. 6. The base end portion of the lower belt 7B wound around the slide pin 20 is fixed to the lower end side of the space 18 in the box body 13A by the pin 24 (see FIG. 5).

  Further, on the lower end side of the space 18 in the casing 13, a shaft body 25 for adjusting the lower belt 7 </ b> B inserted from the opening 15 into the space 18 is supported by the box body 13 </ b> A.

  The casing 13 fixed inside the backrest 3 in this way is pulled in a direction in which the base end side of the lower belt 7B of the upper belt 7A and the lower belt 7B to be connected is pulled into the casing 13 from the opening 15. The force can be applied by the spring force of the tension spring 8. As a result, in the state where the school bag 1 is placed on the back of the person 2 as shown in FIG. 7, the force in the direction of arrow D is applied so that the entire backrest part 3 of the back part main body 5 is in close contact with the back of the person 2. Thus, it is possible to urge the back portion main body 5 against the shoulder belt 7.

  That is, by providing the casing 13 having such a structure, when the back body 5 is carried on the back of the person 2 or detached from the back of the person 2, the detachability of the carrying belt 7 can be improved. It is possible to ensure a good wearing state in which the entire backrest portion 3 of the hip body 5 is in close contact with the back of the person 2.

  The back belt 7 and the back portion main body 5 having such a structure can be used not only in the backpack 1 as described above but also in a rucksack or a debug.

  In the above embodiment, the connecting belt 10 is provided at the upper end portion of the lower belt 7B, the fastening holes 12 are formed at predetermined intervals on the lower end side of the upper belt 7A, and the lower end of the upper belt 7A is connected to the connecting ring 10. The upper belt 7A is provided with a connecting ring at the lower end of the upper belt 7A, and the upper end of the lower belt 7B is inserted into the connecting ring to connect the two. Also good.

  Furthermore, in the above-described embodiment, the shoulder belt 7 is constituted by the upper belt 7A and the lower belt 7B, the connecting belt 10 is provided at the upper end portion of the lower belt 7B, and the fastening holes 12 are provided at a predetermined interval on the lower end side of the upper belt 7A. The lower belt side of the upper belt 7A is inserted into the connecting ring 10 so as to be coupled to each other, but the back belt 7 is constituted by a single belt regardless of such a configuration, The upper end portion is supported above the back support portion of the main body, the lower end portion (base end portion) is directly inserted into the casing 13 from the opening 15 provided below the casing 13, and the slide pin It may be configured to be fastened to the lower end side in the casing 13 so as to be hung around 20.

  The present invention includes a back portion main body that is carried on a person's back such as a school bag, a rucksack, and a debug bag, and the back portion that is hung around so as to carry the back portion main body on the left and right shoulder portions of the person. The present invention can be applied to various types of backrests provided with a shoulder belt supported and attached to the main body.

1 school bag (back)
2 person 3 backrest part 4 storage part 5 back part body 6 cover plate 7 carrying belt 7A upper belt 7B lower belt 8 tension spring 9 coupling body 10 coupling ring 11 fastening needle 12 fastening hole 13 casing 13A box body 14 Leather material 15 Opening 16 Lid 17 Screw 18 Space 19 Slide body 20 Slide pin 21 Guide hole 22 Hook part 23 Stopper pin 24 Pin 25 Shaft body

Claims (5)

A backpack body that is in close contact with a person's back, such as a school bag, a rucksack, a debugging bag, etc. The back body is hung around the left and right shoulders so that the upper end is supported above the back rest of the back body, and the lower end is below the back rest of the back body. In the mounting structure of the backpack belt in the back comprising a pair of left and right backpack belts that support the part side,
Inside the back support part of the back part main body, it is fixed so as to follow the back support part vertical direction, and an overall long casing extending upward from the lower end side of the back support part;
One end of the casing is supported by the upper end of the casing, and the tension spring extends downward in the casing.
A slide pin supported on the lower end side of the tension spring in the casing and capable of moving up and down while being guided in the longitudinal direction of the casing so as to resist the tension force of the tension spring;
The back belt supported by the upper end of the back support portion of the back portion main body is inserted into the casing from the opening provided below the casing on the lower end side forming the other end side, and the slide pin The shoulder belt, which is fastened to the lower end side of the casing as if hung around and thus supported by the back body, is hung around the shoulder and the back body is carried on the person's back. A pulling force in the direction of pulling into the casing from the opening through the slide pin is applied to the base end side of the lower end, so that the entire backrest portion of the back portion main body acts in a direction of closely contacting the human back A mounting structure for a shoulder belt, characterized in that it can be biased.   The mounting structure for a backpack according to claim 1, wherein the casing has an overall flat shape that is supported and fixed so as to be in close contact with the inner side of the backrest portion of the back portion main body.   The casing is composed of a generally flat box having an opening for inserting the lower end side of the belt carrying the backpack into the casing at the lower end, and the upper end is supported on the upper end of the box in the box, and downwards. A tension spring is installed, and is supported and coupled to the lower end of the tension spring inside the box, inserted into the box, and moves up and down to resist the tension of the tension spring. The mounting structure for a shoulder belt according to claim 2, wherein a slide body is provided, and the slide pin is supported in the longitudinal direction in the casing in a state of being pivotally supported by the slide body and is movable up and down.   Each of the pair of left and right shoulder belts has an upper belt formed by coupling the upper end of a connecting body provided on the upper side of the backrest portion of the backrest body, and a lower side of the backrest portion of the backrest body. It consists of a lower belt that is supported and extends from the lower side, and the lower end of the upper belt and the upper end of the lower belt correspond to the size of the shoulder to hang around, the coupling position is variable, and the length can be adjusted and connected to each other The mounting structure for a shoulder belt according to any one of claims 1 to 3, wherein the mounting structure is possible.   The connection between the lower end of the upper belt and the upper end of the lower belt is such that either the lower end of the upper belt or the upper end of the lower belt is supported by a connection ring that allows the end of another belt to be inserted. The attachment structure of the back belt according to claim 1, wherein the fastening connection position of the end of the other belt to the connecting ring is made variable, and the upper and lower belts are connected to each other so that the length can be adjusted.

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