CN112641207A - Field operations back of body frame - Google Patents
Field operations back of body frame Download PDFInfo
- Publication number
- CN112641207A CN112641207A CN202011514475.4A CN202011514475A CN112641207A CN 112641207 A CN112641207 A CN 112641207A CN 202011514475 A CN202011514475 A CN 202011514475A CN 112641207 A CN112641207 A CN 112641207A
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- backpack
- spring
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- central
- bracket
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- 238000000034 method Methods 0.000 claims abstract description 11
- 238000005381 potential energy Methods 0.000 claims description 21
- 239000011435 rock Substances 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 claims 1
- 238000013016 damping Methods 0.000 abstract description 5
- 230000003139 buffering effect Effects 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 208000013623 stereotypic movement disease Diseases 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45F—TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
- A45F3/00—Travelling or camp articles; Sacks or packs carried on the body
- A45F3/10—Pack-frames carried on the body
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C13/00—Details; Accessories
- A45C13/001—Accessories
Abstract
The invention relates to a field operation back frame, which comprises a second support, braces and a backrest, and further comprises: the central shaft is longitudinally arranged on the second bracket; the first bracket is provided with a longitudinally arranged central shaft sleeve, and the central shaft sleeve is slidably sleeved on the central shaft; and the central spring is sleeved on the central shaft, and two ends of the central spring are respectively abutted against the first support and the second support. Further, the method also comprises the following steps: the side shaft is longitudinally arranged on the second bracket; the side spring is sleeved on the side shaft in a sliding way; the side sliding sleeve is slidably sleeved on the side shaft and fixedly arranged at two ends of the side spring; one end of each connecting rod is rotatably connected with the side sliding sleeve, and the other end of each connecting rod is connected with the first support ball. The backpack can buffer the longitudinal shaking and the transverse shaking of the backpack, plays a role in damping, and effectively reduces the pressure of the backpack shaking on the human body and the shoulders.
Description
Technical Field
The invention relates to the technical field of carrying equipment, in particular to a field operation back frame.
Background
The back frame is an article convenient for people to carry on the back, and is mainly used for field operation, travel, danger resistance and relief, military use and the like. The existing back frame mainly comprises a back frame body and back straps.
When the human body walks, the backpack on the back frame can swing along with the human body, and the force applied by the backpack can be applied when the shoulder is swung every time. This exert force including the gravity of knapsack thing and the acceleration of rocking, the motion amplitude of knapsack thing is big more, and the numerical value of its acceleration is also big more to the thing is also big more to the application force of knapsack thing to the shoulder, greatly increased shoulder pressure, moreover, people are at the action in-process, and the knapsack not only can rock from top to bottom, still the swing rocks, and poor stability can increase knapsack person's uncomfortable sense.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a field operation back frame which can buffer the longitudinal shaking and the transverse shaking of a carrier, has the damping effect and effectively reduces the pressure of the carrier shaking on a human body and shoulders.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a field operations back frame, includes second support, braces and back, still includes:
the central shaft is longitudinally arranged on the second bracket;
the first bracket is provided with a longitudinally arranged central shaft sleeve, and the central shaft sleeve is slidably sleeved on the central shaft;
and the central spring is sleeved on the central shaft, and two ends of the central spring are respectively abutted against the first support and the second support.
Further, the method also comprises the following steps:
the side shaft is longitudinally arranged on the second bracket;
the side spring is sleeved on the side shaft in a sliding way;
the side sliding sleeve is slidably sleeved on the side shaft and fixedly arranged at two ends of the side spring;
one end of each connecting rod is rotatably connected with the side sliding sleeve, and the other end of each connecting rod is connected with the first support ball.
Further, the connecting rod includes:
the hinge block is rotationally connected with the side sliding sleeve;
the middle rod is hollow, one end of the middle rod is fixedly connected with the hinge block, and the other end of the middle rod is rotatably provided with a second adjusting nut;
one end of the telescopic rod is in threaded connection with the second adjusting nut, and the other end of the telescopic rod is connected with the first support ball.
Furthermore, two central springs are respectively sleeved at the upper end and the lower end of the central shaft.
Furthermore, the elastic coefficient of the lower end center spring is larger than that of the upper end center spring.
Further, both ends are seted up threadedly about the center pin, and the screw facial make-up is equipped with first adjusting nut, the one end and the first adjusting nut butt of center spring.
Furthermore, the upper end and the lower end of the side edge of the first support are provided with ball groove seats, the outer end of the telescopic rod is provided with a ball head, and the ball head is rotatably embedded in the ball groove seats.
Furthermore, the first air bags are arranged on the back belts and communicated with each other; the backrest is provided with a second air bag which is communicated with the backrest.
A method of cushioning a backpack from longitudinal rocking comprising the steps of:
a. when the backpack body shakes upwards, the first support moves upwards relative to the second support, the central spring at the upper end is compressed, the central spring at the lower end is lengthened, the kinetic energy of the backpack shaking upwards is converted into the elastic potential energy of the deformation of the central spring, when the backpack returns to the original position from the upper end, the central spring at the upper end is extended to the original length, the central spring at the lower end is shortened to the original length, and the elastic potential energy of the deformation of the central spring is released;
b. when the backpack body rocks downwards, the first support moves downwards relative to the second support, the central spring at the upper end is lengthened, the central spring at the lower end is compressed, the kinetic energy of the backpack body rocking downwards is converted into the elastic potential energy of the deformation of the central spring, when the backpack body is returned to the original position from the lower end, the central spring at the lower end is extended to the original length, the central spring at the upper end is shortened to the original length, and the elastic potential energy of the deformation of the central spring is released.
A method for buffering the yawing and shaking of a backpack comprises the following steps:
a. when the backpack body swings and shakes, the first support swings transversely relative to the second support;
b. the side sliding sleeves at the upper end and the lower end of the first support and the second support are opposite to each other and slide, the distance between the side sliding sleeves is reduced, the side springs are compressed, and the kinetic energy of the horizontal swinging and shaking of the backpack is converted into the elastic potential energy of the compression of the side springs;
c. the side sliding sleeves at the upper end and the lower end of the first support and the second support are away from each other and slide away from each other, the distance between the side sliding sleeves is increased, the side springs are lengthened, and the kinetic energy of the transverse swinging and shaking of the backpack is converted into the elastic potential energy of the stretching of the side springs;
d. when the backpack returns to the original position, the side spring returns to the original length, and the elastic potential energy of the deformation of the side spring is released.
The invention has the beneficial effects that:
(1) be swing joint between first support and the second support to first support can reciprocate and control the yaw for the second support, has avoided the support fixed connection to lead to the thing of bearing to rock the impact to the human body.
(2) The up-down and the horizontal swinging of the backpack can be compositely buffered by the central spring and the side springs, so that the impact of the backpack on a human body is reduced.
(3) Can adjust the buffer strength that each rocked the direction through first adjusting nut and second adjusting nut, adapt to different service conditions more.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view in another aspect of the present invention;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is a cross-sectional view of the present invention;
FIG. 5 is a side view of the present invention;
FIG. 6 is a schematic structural view of the horizontal damping mechanism of the present invention;
fig. 7 is a partially enlarged view at a position a of fig. 6.
In the figure:
1. the adjustable backrest comprises a first support, 2 parts of a second support, 3 parts of a ball groove seat, 4 parts of a strap, 5 parts of a backrest, 6 parts of a side shaft, 7 parts of a connecting rod, 8 parts of a side sliding sleeve, 9 parts of a side spring, 10 parts of a central shaft, 11 parts of a central spring, 12 parts of a central shaft sleeve and 13 parts of a first adjusting nut
701. Hinged block, 702, middle rod, 703, second adjusting nut, 704, telescopic rod
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the field operations back frame comprises a second support 2, a back belt 4 and a backrest 5. The second bracket 2 is longitudinally provided with a central shaft 10, the upper end and the lower end of the central shaft 10 are fixedly connected with the second bracket 2, and the central shaft 10 is positioned at the center of the second bracket 2 in the width direction.
The front side of the second bracket 2 is provided with a first bracket 1 movably connected with the second bracket 2. The first bracket 1 is provided with a central shaft sleeve 12 which is longitudinally arranged, and the upper end and the lower end of the central shaft sleeve 12 are fixedly connected with the first bracket 1. The central sleeve 12 is slidably fitted over the central shaft 10, and the central sleeve 12 is axially slidable and circumferentially rotatable with respect to the central shaft 10. With the above structure, the first carriage 1 can slide longitudinally and swing laterally with respect to the second carriage 2.
In order to buffer the vertical shaking of the backpack, the upper and lower ends of the central shaft 10 extend out of the central shaft sleeve 12, the part of the central shaft 10 extending out of the central shaft sleeve 12 is sleeved with two central springs 11, and the two central springs 11 are respectively sleeved at the upper and lower ends of the central shaft 10. The upper end of the central spring 11 positioned at the upper part is fixedly connected with the second bracket 2, and the lower end of the central spring 11 positioned at the upper part is fixedly connected with the first bracket 1. The upper end of the center spring 11 positioned at the lower part is fixedly connected with the first bracket 1, and the lower end of the center spring 11 positioned at the lower part is fixedly connected with the second bracket 2. And, in order to balance the weight of the backpack, the elastic coefficient of the center spring 11 positioned at the lower portion is larger than that of the center spring 11 positioned at the upper portion.
In order to buffer the transverse swinging of the backpack, side shafts 6 which are longitudinally arranged are arranged on two sides of the second bracket 2, and the upper end and the lower end of each side shaft 6 are fixedly connected with the second bracket 2. The side shaft 6 is sleeved with a side spring 9 capable of sliding up and down. The upper end and the lower end of the side spring 9 are fixedly provided with side sliding sleeves 8, and the side sliding sleeves 8 can be sleeved on the side shaft 6 in a sliding manner. The side sliding sleeve 8 is provided with a connecting rod 7, one end of the connecting rod 7 is rotatably connected with the side sliding sleeve 8, and the other end of the connecting rod 7 is connected with the first support 1 through a ball.
As shown in fig. 5, 6 and 7, in the embodiment, the connecting rod 7 comprises a hinge block 701, an intermediate rod 702 and a telescopic rod 704 which are connected in sequence. The hinged block 701 is rotatably connected with the side sliding sleeve 8; the middle rod 702 is hollow, one end of the middle rod 702 is fixedly connected with the hinge block 701, and the other end of the middle rod 702 is rotatably provided with a second adjusting nut 703; one end of the telescopic rod 704 is in threaded connection with the second adjusting nut 703, and the other end of the telescopic rod 704 is in ball connection with the first support 1. Turning the second adjustment nut 703 causes the telescoping rod 704 to move telescopically relative to the intermediate rod 702. Through above structure, can realize carrying out length adjustment to connecting rod 7 to adjust the deformation volume under the 9 initial conditions of side spring, thereby adjust the buffer strength that field operations back of the body frame transversely rocked to the knapsack thing. The specific adjusting method comprises the following steps: the second adjusting nut 703, which is synchronously rotated on the same side of the field operation back frame, is screwed to extend the connecting rod 7, so that the pre-compression amount of the side spring 9 on the side is increased, the buffering strength is increased, and the first bracket 1 can swing to the side only by needing a carrier with larger weight or larger movement. The second adjusting nut 703, which is turned on the same side of the field back frame, is synchronously screwed to shorten the connecting rod 7, so that the pre-compression amount of the side spring 9 on the side is reduced, the buffering strength is reduced, and the first bracket 1 can swing to the side only by carrying objects with smaller weight or movement with smaller amplitude.
In order to realize the ball connection between the telescopic rod 704 and the first bracket 1, the upper end and the lower end of the side edge of the first bracket 1 are provided with ball groove seats 3, the outer end of the telescopic rod 704 is provided with a ball head, and the ball head is rotatably embedded in the ball groove seats 3. With the above configuration, the universal swing of the link 7 can be realized.
As shown in fig. 3 and 4, in order to adjust the cushion strength against vertical shaking of the backpack, threads are formed on both upper and lower ends of the center shaft 10, first adjusting nuts 13 are respectively installed on the threads on both upper and lower ends, the upper end of the center spring 11 located on the upper portion abuts against the first adjusting nut 13 located on the upper portion, and the lower end of the center spring 11 located on the upper portion is fixedly connected to the first bracket 1. The upper end of the center spring 11 located at the lower part is fixedly connected with the first bracket 1, and the lower end of the center spring 11 located at the lower part is abutted against the first adjusting nut 13 located at the lower part. The specific adjusting method comprises the following steps: when the upper first adjusting nut 13 is screwed down, the precompression of the upper center spring 11 increases, the buffer strength increases, i.e. a larger weight of the carrier or a larger movement is required to shake the first bracket 1 upward. When the upper first adjusting nut 13 is screwed up, the precompression amount of the upper center spring 11 is reduced, and the damping strength is reduced, i.e., the first bracket 1 can be swung up only by a smaller weight of the carrier or a smaller amplitude of movement. When the first adjusting nut 13 of the lower part is screwed upwards, the precompression amount of the central spring 11 of the lower part is increased, the buffer strength is increased, and the first bracket 1 can shake downwards only by needing a carrier with larger weight or movement with larger amplitude. When the lower first adjusting nut 13 is screwed down, the precompression amount of the lower center spring 11 is reduced, and the damping strength is reduced, i.e., the first support 1 can be swung down only by a smaller weight of the carrier or a smaller amplitude of movement.
In order to improve the comfort of the user when the user is carrying the backpack, the first air bags are arranged on the braces 4, the first air bags on the braces 4 are communicated, the air in the first air bags can flow mutually, when the field operation back frame horizontally swings, the air in the first air bag on the brace 4 at the extrusion side flows to the first air bag on the brace 4 at the expansion side, and therefore the braces 4 are ensured to be attached to the shoulders of the user all the time; the backrest 5 is provided with a second air bag which is communicated with the backrest 5, and the air in the second air bag on the backrest 5 on the extrusion side flows to the second air bag on the backrest 5 on the expansion side, so that the backrest 5 is ensured to be attached to the back of a user all the time.
A method of cushioning a backpack from longitudinal rocking comprising the steps of:
a. when the backpack body shakes upwards, the first support 1 moves upwards relative to the second support 2, the central spring 11 at the upper end is compressed, the central spring 11 at the lower end is lengthened, the kinetic energy of the backpack shaking upwards is converted into the elastic potential energy of the deformation of the central spring 11, when the backpack returns to the original position from the upper end, the central spring 11 at the upper end is lengthened to the original length, the central spring 11 at the lower end is shortened to the original length, and the elastic potential energy of the deformation of the central spring 11 is released;
b. when the backpack body rocks downwards, the first support 1 moves downwards relative to the second support 2, the central spring 11 at the upper end is lengthened, the central spring 11 at the lower end is compressed, the kinetic energy of the backpack rocked downwards is converted into the elastic potential energy of the deformation of the central spring 11, when the backpack is returned to the original position from the lower end, the central spring 11 at the lower end is lengthened to the original length, the central spring 11 at the upper end is shortened to the original length, and the elastic potential energy of the deformation of the central spring 11 is released.
A method for buffering the yawing and shaking of a backpack comprises the following steps:
a. when the backpack body swings and shakes, the first bracket 1 swings transversely relative to the second bracket 2;
b. the side sliding sleeves 8 at the upper end and the lower end of the first support 1 and the second support 2 close to each other slide oppositely, the distance between the side sliding sleeves 8 is reduced, the side springs 9 are compressed, and the kinetic energy of the horizontal swinging and shaking of the backpack is converted into the elastic potential energy compressed by the side springs 9;
c. the side sliding sleeves 8 at the upper end and the lower end of the first support 1 and the second support 2 are away from each other and slide, the distance between the side sliding sleeves 8 is increased, the side springs 9 are lengthened, and the kinetic energy of the transverse swinging and shaking of the backpack is converted into the elastic potential energy of the stretching of the side springs 9;
d. when the backpack returns to the original position, the side spring 9 returns to the original length, and the elastic potential energy of the deformation of the side spring 9 is released.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a field operations back of body frame, includes second support (2), braces (4) and back (5), its characterized in that still includes:
a central shaft (10) longitudinally arranged on the second bracket (2);
the device comprises a first bracket (1), wherein a longitudinally arranged central shaft sleeve (12) is arranged on the first bracket (1), and the central shaft sleeve (12) is slidably sleeved on a central shaft (10);
the center spring (11) is sleeved on the center shaft (10), and two ends of the center spring (11) are respectively abutted against the first support (1) and the second support (2).
2. A field backpack according to claim 1 further comprising:
a side shaft (6) longitudinally arranged on the second bracket (2);
the side spring (9) is sleeved on the side shaft (6) in a sliding way;
the side sliding sleeve (8) is sleeved on the side shaft (6) in a sliding manner and fixedly arranged at two ends of the side spring (9);
one end of each connecting rod (7) is rotatably connected with the side sliding sleeve (8), and the other end of each connecting rod is connected with the first support (1) in a ball-shaped mode.
3. A field carrier according to claim 2, characterized in that said connecting rod (7) comprises:
the hinge block (701) is rotatably connected with the side sliding sleeve (8);
the middle rod (702) is hollow, one end of the middle rod (702) is fixedly connected with the hinge block (701), and the other end of the middle rod (702) is rotatably provided with a second adjusting nut (703);
one end of the telescopic rod (704) is in threaded connection with the second adjusting nut (703), and the other end of the telescopic rod is in ball connection with the first support (1).
4. A field backpack according to claim 1,
the two central springs (11) are respectively sleeved at the upper end and the lower end of the central shaft (10).
5. A field backpack according to claim 4,
the elastic coefficient of the lower end center spring (11) is larger than that of the upper end center spring (11).
6. A field backpack according to claim 4,
screw threads are formed in the upper end and the lower end of the central shaft (10), a first adjusting nut (13) is arranged on the screw threads, and one end of the central spring (11) is abutted to the first adjusting nut (13).
7. A field backpack according to claim 3,
the ball groove seats (3) are arranged at the upper end and the lower end of the side edge of the first support (1), the ball head is arranged at the outer end of the telescopic rod (704), and the ball head is rotatably embedded in the ball groove seats (3).
8. A field backpack according to claim 1,
the first air bags are arranged on the straps (4) and communicated with each other; the backrest (5) is provided with a second air bag, and the second air bags on the backrest (5) are communicated.
9. A method of cushioning longitudinal sway of a backpack using a field backpack of claim 4, comprising the steps of:
a. when the backpack body shakes upwards, the first support (1) moves upwards relative to the second support (2), the central spring (11) at the upper end is compressed, the central spring (11) at the lower end is elongated, kinetic energy of the backpack shaking upwards is converted into elastic potential energy of deformation of the central spring (11), when the backpack returns to the original position from the upper end, the central spring (11) at the upper end extends to the original length, the central spring (11) at the lower end shortens to the original length, and the elastic potential energy of the deformation of the central spring (11) is released;
b. when the backpack body rocks downwards, the first support (1) moves downwards relative to the second support (2), the central spring (11) at the upper end is lengthened, the central spring (11) at the lower end is compressed, the kinetic energy of the backpack during downward rocking is converted into the elastic potential energy of the deformation of the central spring (11), when the backpack body returns to the original position from the lower end, the central spring (11) at the lower end is extended to the original length, the central spring (11) at the upper end is shortened to the original length, and the elastic potential energy of the deformation of the central spring (11) is released.
10. A method of cushioning a backpack from yaw oscillation using a field backpack as claimed in claim 2, comprising the steps of:
a. when the backpack body swings and shakes, the first bracket (1) swings transversely relative to the second bracket (2);
b. the first support (1) and the second support (2) are close to each other, the side sliding sleeves (8) at the upper end and the lower end slide in opposite directions, the distance between the side sliding sleeves (8) is reduced, the side springs (9) are compressed, and the kinetic energy of the horizontal swinging and shaking of the backpack is converted into the elastic potential energy of the compression of the side springs (9);
c. the first support (1) and the second support (2) are away from each other, the side sliding sleeves (8) at the upper end and the lower end slide away from each other, the distance between the side sliding sleeves (8) is increased, the side springs (9) are lengthened, and the kinetic energy of the horizontal swinging and shaking of the backpack is converted into the elastic potential energy of the stretching of the side springs (9);
d. when the backpack returns to the original position, the side spring (9) returns to the original length, and the elastic potential energy of the deformation of the side spring (9) is released.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011514475.4A CN112641207B (en) | 2020-12-21 | 2020-12-21 | Field operations back of body frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011514475.4A CN112641207B (en) | 2020-12-21 | 2020-12-21 | Field operations back of body frame |
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| Publication Number | Publication Date |
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| CN112641207A true CN112641207A (en) | 2021-04-13 |
| CN112641207B CN112641207B (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011514475.4A Active CN112641207B (en) | 2020-12-21 | 2020-12-21 | Field operations back of body frame |
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| CN (1) | CN112641207B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113876108A (en) * | 2021-09-27 | 2022-01-04 | 泉州迈特富纺织科技有限公司 | Novel military backpack system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113876108A (en) * | 2021-09-27 | 2022-01-04 | 泉州迈特富纺织科技有限公司 | Novel military backpack system |
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| Publication number | Publication date |
|---|---|
| CN112641207B (en) | 2022-06-28 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A field back rack Effective date of registration: 20230116 Granted publication date: 20220628 Pledgee: Qi commercial bank Limited by Share Ltd. Linzi branch Pledgor: ZIBO YINDU WEIYE KITCHEN EQUIPMENT CO.,LTD. Registration number: Y2023980031343 |
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Granted publication date: 20220628 Pledgee: Qi commercial bank Limited by Share Ltd. Linzi branch Pledgor: ZIBO YINDU WEIYE KITCHEN EQUIPMENT CO.,LTD. Registration number: Y2023980031343 |
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