WO2006032198A1

WO2006032198A1 - A bag

Info

Publication number: WO2006032198A1
Application number: PCT/CN2005/001515
Authority: WO
Inventors: Yun Foo Wu
Original assignee: Yun Foo Wu
Priority date: 2004-09-24
Filing date: 2005-09-20
Publication date: 2006-03-30
Also published as: CN2733985Y

Abstract

A bag includes bagbody, backstraps, waistbells and shock absorber; and further includes pressure sensor, weight display, overweight alarm circuit, air cushion, adjustable handgrip, protect-vertebrae shock-absorbing cushion and unreel unit. The shock absorber is at the portion suitable to connect the backstraps of the bagbody, the backstraps joint the body with shock absorber. The pressure sensor is located in the shock absorber. The weight display and overweight alarm circuit are at the external surface of the bagbody, and electrically joint the pressure sensor. The air cushion is located at the backstraps corresponding to the human shoulder, and the adjustable handgrip sockets the portion of backstraps between the shock absorber and air cushion. The protect-vertebrae shock-absorbing cushion sets at the lower part of the bagbody corresponding to the human waist. The waist belt joints the bagbody with unreel unit. This invention can reduce the wallop to user shoulder and display the bag weight, and also alarm overweight.

Description

a backpack

Technical field

The present invention relates to a backpack, and more particularly to a backpack that can be used as a school bag or a travel bag. Background technique

Backpack is one of the most common daily necessities. It is usually composed of a bag body and a harness. In order to be convenient and comfortable to use, some backpacks are padded in the area where the strap is in contact with the shoulder of the person, and the backpack has a belt on the bag body. In order to further improve the function of the backpack and improve the comfort of the backpack, people have invented backpacks for various purposes. Patent literature

CN2349867Y discloses a multifunctional backpack, which comprises a package body and a bag, which is characterized in that a light-emitting circuit capable of automatically emitting an external light signal is provided on the package body, and the circuit is controlled by a DC power source, a switch and a light-emitting circuit. The electronic light-emitting element and the circuit board are connected and assembled; and the lighting circuit is also arranged on the package body and the bag. The invention is capable of self-issuing an indicative light signal and providing illumination, so that it helps to ensure the user's traffic safety and ease of use.

These existing backpacks, due to the lack of significant improvements in structural design, still inevitably have some disadvantages. For example, there is no shock absorption function, and the user's shoulder is easily strained when used for a long time; the strap is easy to slide outwards and slips off the shoulder when used; the belt cannot be automatically rewinded, which is not only inconvenient to use, but also has potential safety hazards; When the bag is used, it cannot indicate the weight of the bag, and there is no overweight warning function. Confirmation Summary of the invention

The object of the present invention is to provide a backpack with shock absorption, indicating the weight of the backpack and overweight warning, preventing the strap from slipping off, protecting the lumbar spine, and the like, and using a more comfortable and stable backpack. In order to achieve this, the technical solution adopted by the present invention is:

The backpack of the present invention comprises a bag body 1, a harness 2 and a waist belt 3, and further comprises a shock absorber 4; the shock absorber 4 is disposed at a portion of the upper portion of the bag body 1 adapted to connect the harness 2, and the harness 2 passes through the shock absorber 4 is connected to the package body 1.

The backpack of the present invention further includes a pressure sensor 5 and a weight display and overweight warning circuit 6; the pressure sensor 5 is disposed in the damper 4, and the weight display is connected with the overweight warning circuit 6 and the pressure sensor 5; the weight display and The overweight warning circuit 6 further includes a high precision linear amplifier module 11, a voltage/frequency conversion module 12, a single chip microcomputer 13, a weight display drive module 14, a display screen 15, an overweight warning module 16, a buzzer 17 and an overweight indicator light 18; The input end of the precision linear amplifier module 11 is connected to the pressure sensor 5, and the output end is connected to the single-chip microcomputer 13 via the voltage/frequency conversion module 12; the display screen 15 is connected to the single-chip microcomputer 13 via the weight display drive module 14, the buzzer 17 and the overweight indicator light 18 The overweight warning module 16 is also connected to the single chip microcomputer 13 respectively. ,

In the backpack of the present invention, the shock absorber 4 includes a box body with a spring inside, and a plug block provided with a plug; a side wall corresponding to the plug on the plug block is opened on the side wall of the box body; Jack, the lower part of the jack is lower than the bottom of the spring, the upper part of the jack extends to the spring-filled part of the box body; the pressure sensor 5 is arranged at the top of the box body, and the sensing head is in contact with the spring inside the box body ; The strap 2 is attached to the insert. The backpack of the present invention includes a rewinder 10 which is coupled to the package 1 by a rewinder 10.

The backpack of the present invention is further provided with a damper 4 at a portion of the lower portion of the bag body 1 to which the strap 2 is attached, and the strap 2 is coupled to the bag body 1 via a damper 4.

The backpack of the present invention includes a rewinder 10 which is coupled to the damper 4 via a rewinder 10.

In the backpack of the present invention, the damper 4 is a box body with a spring inside, and a plug is arranged on one side of the rewinder 10; a plug on the rewinder 10 is opened on the side wall of the box body. Corresponding long-shaped jacks, the lower part of the jack is lower than the bottom of the spring, and the upper part of the jack extends to a portion of the inside of the box which is spring-loaded.

The backpack of the present invention further includes a ridge cushion 9 which is disposed at a corresponding portion of the body 1 which is in contact with the waist of the human body.

The backpack of the present invention further includes an air cushion 7, and the air cushion 7 is movably sleeved on a portion of the harness 2 corresponding to the shoulder of the human body.

The backpack of the present invention further includes an adjustable handlebar 8, which is attached to the harness 2 at a position near the shock absorber 4 at the top of the backpack.

In the backpack of the present invention, the shock absorber 4 may also be a hydraulic shock absorbing cylinder.

The backpack of the present invention is provided with a transparent window with a weight indicating scale on the wall of the inner spring-loaded casing, and a spring is provided on the spring opposite to the transparent window.

According to the backpack of the technical solution of the present invention, since the shock absorber is added at the joint between the strap and the bag body, the impact force on the shoulder of the user is reduced, and the use of the air cushion can be more effectively protected. The shoulders of the user. The adjustable handle is mounted so that the strap is stably placed on the user's shoulder without slipping off. The central permeable ridge cushion has a multi-layer venting hole to reduce the pressure on the lumbar ridge 5 and to dissipate heat. The pressure sensor and weight display and overweight warning circuit can directly display the weight of the backpack, and can preset the weight limit. When overweight, voice and light warning can be performed. DRAWINGS

0 is a schematic view of a backpack structure according to the present invention

Figure 2 is a schematic view of a shock absorber connected to the harness

Figure 3 is an adjustable handlebar installation and structure diagram

4 is a block diagram of a weight display and an overweight warning circuit of the backpack according to the present invention. FIG. 5 is a schematic view of a shock absorber connected to a waist belt.

5 Figure: 1. Envelope, 2. Strap, 3. Belt, 4. Shock absorber, 5. Pressure sensor, 6. Weight display and overweight warning circuit, 7. Air cushion, 8. Adjustable handle, 9. Ridge cushion, 10. Rewinder; 11. High precision linear amplifier module, 12. Voltage/frequency conversion module, 13. Single chip microcomputer, 14. Weight display driver module, 15. Display, 16. Overweight warning driver module , 17. Buzzer, 18. Overweight indicator.

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detailed description

Embodiment 1 : As shown in FIG. 1 , the backpack of the present invention comprises a bag body 1 , a strap 2 and a waist belt 3 ; further includes a shock absorber 4 , a pressure sensor 5 , a weight display and an overweight warning electric Road 6, air cushion 7, adjustable handlebar 8, ridge cushion 9 and rewinder 10. The damper 4 is disposed at a portion of the upper portion of the bag body 1 adapted to connect the strap 2, as shown in Fig. 2, the damper 4 includes a box body with a spring inside, and a plug block provided with a plug; On the package body 1, the insert block is connected with the back strap 2; a long socket corresponding to the plug on the plug block is opened on the wall of the box body, the lower part of the socket is lower than the bottom of the spring, and the upper part of the socket extends to the box The inside of the body is provided with a spring portion; when the insert is inserted into the case, the socket can catch the plug, and the plug just abuts against the bottom of the spring; when the strap pulls up the plug, the plug presses the spring upward along the socket. The pressure sensor 5 is disposed at the top of the box body, and the sensing head is connected to the spring inside the box body to connect the hornworm, can sense the magnitude of the spring pressure, and convert the pressure signal into an electrical signal output to the weight display and the overweight warning circuit 6. The weight display and overweight warning circuit 6 is disposed on the outer surface of the package body 1, and is connected to the pressure sensor 5 by wires. As shown in Fig. 1, the air cushion 7 is slidably attached to the portion of the harness 2 corresponding to the shoulder of the human body, and its position can be adjusted according to the user's condition. The adjustable handle 8 is sleeved on the strap between the damper 4 and the air cushion 7, as shown in Fig. 3, the adjustable handle 8 is provided with an adjustment button; when the button is pressed, the adjustable hand can be moved The position of the handle, the release button, the adjustable handle 8 is fixed to the strap. The ridge cushion 9 is disposed at a portion of the lower portion of the bag body 1 corresponding to the waist of the human body, and two straps are disposed in the vertical direction of the bag body 1, and the ridge pad 9 is connected to the ridge pad The strip is placed on the strip and can be adjusted according to the user's condition. The ridge cushion 9 is centrally permeable and is provided with a plurality of vents, as shown in FIG. The waist belt 3 is attached to the rewinder 10, and the rewinder 10 is attached to the package 1.

As shown in FIG. 4, the weight display and overweight warning circuit 6 further includes high precision linearity. The amplifier module 1, the voltage/frequency conversion module 12, the single chip microcomputer 13, the weight display drive module 14, the display screen 15, the overweight warning drive module 16, the buzzer 17 and the overweight indicator light 18. The input terminal of the high-precision linear amplifier module 11 is connected to the pressure sensor 5, and the output end thereof is connected to the single-chip microcomputer 13 via the voltage/frequency conversion module 12; the display screen 15 is connected to the single-chip microcomputer 13, the buzzer 17 and the overweight indicator via the weight display driving module 14. The lamps 18 are connected to the microcontroller 13 via an overweight warning drive module 16, respectively. The electric signal outputted by the pressure sensor 5 disposed in the damper is amplified by the high-precision linear amplifier module 11, and then subjected to voltage/frequency conversion by the voltage/frequency conversion module 12, and converted to output a pulse electric signal of a certain frequency. The pulse electrical signal is transmitted to the single chip microcomputer 13, and the pulse electrical signal is counted by the counter of the single chip microcomputer for a certain period of time, and the obtained count value is read and processed by the single chip microcomputer 13 to be the weight. Then, the single chip microcomputer 13 controls the operation of the weight display drive module circuit, and the weight value is displayed by the display screen 15. The single chip microcomputer 13 is pre-set with a certain weight limit value. When the weight value detected by the pressure sensor 5 reaches the preset limit value, the single chip microcomputer 13 controls the operation of the overweight warning driving module circuit, and the buzzer 17 is provided by the overweight warning driving module circuit. The voice signal is output, and the buzzer 17 sounds a warning sound. At the same time, the overweight warning drive module circuit supplies power to the overweight indicator light 18, and the overweight indicator light gives a warning light.

Embodiment 2: The main structure of the backpack described in this embodiment is the same as that in Embodiment 1, except that the damper 4 is provided at a portion of the lower portion of the bag body 1 to which the waist belt 3 is attached. As shown in Fig. 5, the damper 4 is a box body with a spring inside, and a plug is provided on one side of the rewinder 10; a length corresponding to the plug on the rewinder 10 is opened on the wall of the casing Strip-shaped socket, the lower part of the socket is at the bottom of the spring, and the upper part of the socket extends to the inside of the box with spring Part. When the plug on the rewinder 10 is inserted into the socket, the socket can catch the plug and the plug just abuts against the bottom β of the spring. When the waist belt connected to the rewinder 10 pulls the rewinder 10 upward, the plug presses the spring upward along the socket to reduce the impact on the user.

Embodiment 3: The main structure of the backpack described in this embodiment is the same as that in Embodiment 1 or Embodiment 2, except that the shock absorber connected to the harness 2 is a box body with a spring inside, A transparent window is disposed on the side wall of the casing, and the transparent window is provided with a scale indicating a weight, and a pointer is disposed on the spring corresponding to the transparent window. Similar to the spring balance, the weight of the backpack is indicated by the amount of compression of the spring inside the casing.

Embodiment 4: The main structure of the backpack described in this embodiment is the same as that in Embodiment 1 or Embodiment 2, except that the shock absorber is replaced with a hydraulic shock absorbing cylinder.

Claims

Rights request

A backpack comprising a bag body (1), a harness (2) and a waist belt (3), characterized in that it further comprises a shock absorber (4), the shock absorber (4) being disposed on the bag body (1) The upper part of the belt is adapted to connect the strap (2), and the strap (2) is connected to the bag body α through the shock absorber (4).

2. The backpack according to claim 1, further comprising a pressure sensor (5) and a weight display and overweight warning circuit (6); the pressure sensor (5) is disposed in the shock absorber (4), the weight display The overweight warning circuit (6) is connected to the pressure sensor (5); the weight display and overweight warning circuit (6) further comprises a high precision linear amplifier module (11), a voltage/frequency conversion module (12), a single chip microcomputer ( 13), weight display drive module (14), display (15), overweight warning module (16), buzzer (17) and overweight indicator (18); input of high precision linear amplifier module (11) Connected to the pressure sensor (5), the output terminal is connected to the single-chip microcomputer through the voltage/frequency conversion module (12) (13>; the display screen (15) is connected to the single-chip microcomputer (13) via the weight display drive module (14), buzzer

(17) and the overweight indicator light (18) §lj is also connected to the single-chip machine (13) via the overweight warning module (16).

3. A backpack according to claim 1 or 2, characterized in that the damper (4) comprises a box with a spring inside, and a plug provided with a plug; on the side wall of the box Opening a long jack corresponding to the plug on the plug, the lower part of the jack is lower than the bottom of the spring, and the upper part of the jack extends to a portion of the inside of the box with a spring; The sensor (5) is disposed at the top of the casing, and the sensing head is at an angle to the spring inside the casing _{; the} strap (2) is attached to the insert.

4. The backpack according to claim 1, further comprising a retort (10), the belt (3) being coupled to the package (1) by a rewinder (10).

The backpack according to claim 1, characterized in that a damper (4) is further provided at a portion of the lower portion of the bag body (1) adapted to connect the strap (2), and the strap (2) is reduced by The shock absorber (4) is connected to the package (1).

6. The backpack according to claim 5, further comprising a rewinder (10), the waist belt (3) being coupled to the damper (4) by a rewinder (10).

7. The backpack according to claim 6, wherein the damper (4) is a spring-loaded box body, and a plug is disposed on one side of the rewinder (10); The side wall is provided with a long jack corresponding to the plug on the rewinder (10), the lower part of the jack is lower than the bottom of the spring, and the upper part of the jack extends to the spring-loaded part of the box body .

8. The backpack according to claim 1 or 2 or 4 or 5 or 6, further comprising a ridge cushion (9), the ridge cushion (9) being disposed on the body ( 1) The corresponding part that is in contact with the waist of the human body.

9. The backpack according to claim 1 or 2 or 4 or 5 or 6, further comprising an air cushion (7), the air cushion (7) being slidably attached to the shoulder strap (2) and the shoulder of the human body Corresponding parts.

10. A backpack according to claim 1 or 2 or 4 or 5 or 6, wherein Also included is an adjustable handlebar (8) that fits over the harness (2) at the location of the shock absorber (4) near the top of the backpack.

The backpack according to claim 1 or 2 or 4 or 5 or 6, wherein the shock absorber (4) is also a hydraulic shock absorbing cylinder.

The backpack according to claim 3 or 7, wherein: on the wall of the inner spring-loaded casing, a transparent window with a weight indicating scale is provided, and a spring is disposed opposite to the transparent window. There are pointers.