CN218008624U - Knapsack shock attenuation module and knapsack - Google Patents

Abstract

The utility model discloses a knapsack shock attenuation module, include: the device comprises a shell, a movable piece and a plurality of elastic elements; a mounting cavity is arranged in the shell, an opening is formed in the mounting cavity, and a guide groove is formed in the mounting cavity; the movable part is arranged in the mounting cavity, guide posts are arranged on two sides of the movable part, the guide posts slide in the guide grooves, the lower portion of the elastic element is connected with the shell, and the upper portion of the elastic element is connected with the movable part. The utility model also discloses a knapsack, including knapsack main part, baldric and above-mentioned knapsack shock attenuation module, the casing is fixed in the knapsack main part, baldric and moving part upper end connection. The utility model discloses can reduce the gravity load that user's back and shoulder received, reduce the vibration sense, to user's back and shoulder guard action, simultaneously the utility model discloses a noise is little, and stability is good, experiences the sense preferred.

Description

Knapsack shock attenuation module and knapsack

Technical Field

The utility model relates to a knapsack specifically is a knapsack shock attenuation module, and knapsack.

Background

According to the demand of market product trend, the knapsack has newly increased shock-absorbing function, and the shock attenuation module can effectually reduce the impact force that the walking brought for the shoulder, and the intuitional experience that makes the consumer bring is more laborsaving.

The patent application with publication number CN108835848A discloses a buffering and damping backpack, wherein a buffering spring is installed in a box body, the box body is fixedly connected with a shoulder belt, and the shoulder belt can swing left and right when a human body is carried out on the backpack, so that the spring can swing when deforming up and down in the box body, and the buffering effect is poor. In addition, the spring may rub against the housing during deformation to generate noise, resulting in a poor experience.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shock attenuation module and knapsack to improve the bradyseism effect. In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model discloses a knapsack shock attenuation module, include: the device comprises a shell, a movable piece and a plurality of elastic elements; an installation cavity is arranged in the shell, an opening is formed in the installation cavity, and a guide groove is formed in the installation cavity; guide posts are arranged on two sides of the movable piece, the guide posts slide in the guide grooves, the lower portion of the elastic element is connected with the shell, and the upper portion of the elastic element is connected with the movable piece.

The movable part comprises a connecting part, a hook and two groups of guide posts, the connecting part, the hook and the guide posts are integrally formed, and the hook is arranged below the connecting part; the upper end of the elastic element is connected with the hook.

Preferably, the number of the hooks is two, the elastic elements are springs, and the number of the springs is two.

Preferably, the lower part of the guide pillar is provided with a convex limiting block, one side of the guide groove is also provided with a limiting guide groove, a limiting surface is arranged above the limiting guide groove, the limiting block is arranged in the limiting guide groove, and the limiting block moves to the upper part and is blocked by the limiting surface.

The shell comprises a front shell and a rear shell, a connecting boss is arranged in the middle of the rear shell and positioned between the spring and the guide groove, and a plurality of positioning holes are formed in the connecting boss; the inner side of the front shell is provided with a positioning column which is inserted in the positioning hole.

Furthermore, a hanging rod is arranged below the inner side of the front shell, a hanging rod groove is formed in the position, corresponding to the hanging rod, of the rear shell, the hanging rod is inserted into the hanging rod groove, and one end of the spring is connected to the hanging rod.

Preferably, the guide post is cylindrical, and the guide groove comprises a first arc guide groove arranged on the rear shell and a second arc guide groove arranged on the front shell; the guide pillar is arranged between the first arc guide groove and the second arc guide groove, and the limiting guide groove is arranged in the middle of the first arc guide groove.

Preferably, the front shell is provided with an avoidance groove at the position of the spring.

Preferably, a display block for displaying the position of the guide post is arranged below the guide post; the front shell is partially or fully transparent.

The utility model also discloses a knapsack, including knapsack main part, baldric and above-mentioned knapsack shock attenuation module, the casing is fixed in the knapsack main part, it is connected with the moving part to shoulder.

Further, the backpack body comprises a first rear panel and a second rear panel positioned inside the first rear panel, and the shell is fixed between the first rear panel and the second rear panel.

Further, still include the connecting plate, the baldric passes through the connecting plate and is connected with the moving part upper end, the connecting plate inboard is provided with perpendicular strip, and the both ends of perpendicular strip are fixed on the connecting plate, the second back panel outside is provided with horizontal strip, horizontal strip both ends are fixed on the second back panel, and horizontal strip middle part is worn to locate on the vertical strip and is made perpendicular strip reciprocate in horizontal strip middle part.

The movable piece comprises a connecting portion, a connecting groove is formed in the connecting portion, a connecting ring is arranged on the lower portion of the connecting portion, and the connecting ring is hung in the connecting groove.

Preferably, two sides of the middle part of the transverse strip are vertically sewn and fixed on the second rear panel, so that the relation between the width a of the middle part of the transverse strip and the width b of the vertical strip is a-b = 4-20 mm.

Preferably, two sides above the connecting plate are provided with inclined angles, and the two shoulder straps are connected to the inclined angles.

The shell comprises a front shell and a rear shell, and a plurality of positioning holes are formed in the middle of the rear shell; the inner side of the front shell is provided with a positioning column, the positioning column is inserted and penetrates out of the positioning hole, the end part of the positioning column is provided with a hole, and the hole of the positioning column is connected with the second back panel through a bolt.

Since the structure is adopted, the utility model discloses following beneficial effect has:

1. the utility model discloses a set up the guide pillar on the moving part, make the guide pillar remove in the guide way to make the elastic element who installs on the moving part tensile deformation in the direction of guide way, prevent other ascending rocks of side, improve the bradyseism effect, avoid elastic element and casing before frictional contact simultaneously, reduce the noise.

2. The utility model discloses the knapsack can reduce the gravity load that user's back and shoulder received through setting up knapsack shock attenuation module, reduces the sense of shake, plays the guard action to user's back and shoulder. Simultaneously the utility model discloses a noise is little, and stability is good, experiences and feels the preferred.

Drawings

Fig. 1 is a schematic structural view of a backpack damping module according to an embodiment of the present invention.

Fig. 2 is an exploded schematic view of fig. 1.

Fig. 3 is a front view of fig. 1.

Fig. 4 isbase:Sub>A schematic sectional view taken along linebase:Sub>A-base:Sub>A of fig. 3.

Figure 5 is another angle schematic view of the backpack shock module.

Fig. 6 is a schematic view of the movable member of fig. 5 in an upward moving state.

Fig. 7 is a perspective sectional view.

Fig. 8 is another perspective cross-sectional view.

Fig. 9 is a schematic view of the movable member in fig. 8 moving upward to the position of the limiting surface.

Fig. 10 is a structural view of the front case.

Fig. 11 is a structural view of the rear case.

Fig. 12 is a schematic structural diagram of a backpack according to an embodiment of the present invention.

Figure 13 is a block diagram of the backpack shock absorbing module installed between the first rear panel and the second rear panel.

Fig. 14 is a front view of fig. 13.

Figure 15 is a left side view of figure 14 (with the harness hidden).

FIG. 16 is a schematic view of the movable member of FIG. 15 in an upward position.

Figure 17 is a view of the backpack shock module and the connecting plate structure (hidden front shell).

FIG. 18 is a schematic view of the movable member of FIG. 17 in an upward position.

Figure 19 is a schematic structural view of the backpack shock absorbing module, the connecting plate and the first rear panel.

Fig. 20 is a schematic view of the second rear panel.

Description of the main component symbols:

1: a housing, 11: front shell, 111: second arc guide groove, 112: positioning column, 113: hanging rod, 12: rear housing, 121: first arc guide groove, 122: limiting guide groove, 1221: spacing face, 123: connection boss, 124: positioning hole, 125: hanging rod groove, 13: mounting cavity, 14: guide groove, 15: avoidance groove, 16: threading hole

2: movable element, 21: connection portion, 211: connecting groove, 22: hook, 23: guide post, 24: stopper, 25: display block

3: spring

4: backpack main body, 41: first rear panel, 42: second rear panel, 421: transverse strip

5: shoulder belt

6: connecting plate, 61: connection ring, 62: vertical strip, 63: the angle of inclination.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention is further described in detail with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1 to 9, the present embodiment discloses a backpack damping module, which includes: a shell 1, a movable part 2 and a plurality of elastic elements. The housing 1 in this embodiment comprises a front shell 11 and a rear shell 12, and the elastic element is a spring 3. Certainly, in other embodiments, the housing may also be made into an integral type, in this embodiment, the front housing 11 and the rear housing 12 are provided, so that the movable member 2 and the spring 3 can be conveniently disassembled and assembled, and when the spring 3 is damaged or the shock-absorbing load needs to be replaced, only the front housing 11 needs to be disassembled, and the spring 3 can be replaced.

Referring to fig. 11, a mounting cavity 13 is formed inside the front housing 11 and the rear housing 12, and an upper portion of the mounting cavity 13 is opened (as shown in fig. 5). A guide groove 14 is formed in the housing 1, and the guide groove 14 is vertically arranged. The guide groove 14 includes a first arc guide groove 121 provided on the rear case 12 and a second arc guide groove 111 provided on the front case 11. The first arc guide groove 121 is provided with a limiting guide groove 122 in the middle. Referring to fig. 4 and 11, a connecting boss 123 is disposed in the middle of the rear housing 12, the connecting boss 123 is located between the spring 3 and the guide groove 14, and a plurality of positioning holes 124 are disposed on the connecting boss 123. The inner side of the front housing 11 is provided with a positioning column 112, and the positioning column 112 is inserted into the positioning hole 124. The connecting boss 123 is arranged between the spring 3 and the guide groove 14, the spring 3 is spaced in a larger independent moving space, and the connecting boss 123 is positioned in the middle of the shell 1, so that the connecting strength of the shell 1 can be improved.

The movable member 2 includes a connecting portion 21, a hook 22 and two sets of guide posts 23. In this embodiment, the connecting portion 21, the hook 22 and the guide post 23 are integrally formed, but in other embodiments, the hook 22 and the guide post 23 may be fixedly connected to the connecting portion 21 by a connecting member. The movable member 2 is installed in the installation cavity 13, the guide post 23 is disposed between the first arc guide groove 121 and the second arc guide groove 111, and the guide post 23 slides in the guide groove 111.

The hook 22 is provided below the connecting portion 21. In this embodiment, couple 22 is provided with two, and spring 3 is corresponding to be provided with two, and spring 3 and the equal vertical setting of guide pillar 23 form two direction two bullet spring shock mitigation systems, and the structure shock attenuation effect of comparing the single spring is better.

Referring to fig. 10, a hanging rod 113 is disposed at a lower portion of the inner side of the front shell 11, a hanging rod groove 125 is disposed at a position of the rear shell 12 corresponding to the hanging rod, and the hanging rod 113 is inserted into the hanging rod groove 125. As shown in fig. 7, the spring 3 has a lower end connected to the hanging rod 113 and an upper end connected to the hook 22.

As shown in fig. 10, the front case 11 is provided with an avoiding groove 15 at the position of the spring 3, and the avoiding groove 15 allows the spring 3 to have a certain space when being stretched, thereby preventing the spring 3 from generating noise due to friction with the housing 1.

Referring to fig. 8, the lower portion of the guide pillar 23 is provided with a protruding limiting block 24, a limiting surface 1221 is disposed above the limiting guide groove 122, and the limiting block 24 is installed in the limiting guide groove 122, as shown in fig. 9, when the movable member 2 moves upward relatively, the limiting block 24 moves to the upper portion and is blocked by the limiting surface 1221, at this time, the movable member 2 does not move upward relatively any more, and the movable member 2 can be prevented from being disengaged by the arrangement.

A display block 25 for displaying the position of the guide post 23 is installed below the guide post 23, and the front case 11 is partially or completely transparent. The position of the display block 25 can be seen through the transparent area of the front shell 11, the display block 25 can be made of fluorescent material or conspicuous red material, etc., and when the movable element 2 moves, the moving position can be clearly seen through the display block 25.

As shown in fig. 5, the movable member 2 is normally located entirely within the mounting cavity. As shown in fig. 6, when the movable element 2 moves upward, the spring 3 is stretched and deformed, thereby playing a role of cushioning.

Example two

As shown in fig. 12 to 16, the present embodiment discloses a backpack, which includes a backpack body 4, shoulder straps 5 and a backpack damping module of the first embodiment.

As shown in fig. 13, the backpack body 4 includes a first rear panel 41 and a second rear panel 42 located inside, the housing 1 of the backpack shock-absorbing module is fixed between the first rear panel 41 and the second rear panel 42, and the shoulder strap 5 is connected to the upper end of the movable member 2.

The edge of the shell 1 is provided with a threading hole 16, and the shell 1 is sewn on the first back panel 41. As shown in fig. 15, a positioning post 112 is disposed inside the front housing 11, a positioning hole 124 is disposed on the rear housing 12, the positioning post 112 is inserted into and penetrates through the positioning hole 124, an opening is disposed at an end of the positioning post 112, and the opening of the positioning post 112 is connected to the second rear panel 42 through a plug (not shown).

The shoulder strap 5 can be connected directly to the upper end of the mobile element 2 or, as in the present embodiment, to the upper end of the mobile element 2 by means of a connecting plate 6. As shown in fig. 18, the connecting portion 21 of the movable member 2 is provided with a connecting groove 211, and the lower portion of the connecting plate 6 is provided with a connecting ring 61, and the connecting ring 61 is hung in the connecting groove 211, so that the connection is realized.

As shown in fig. 19, a vertical strip 62 is provided inside the connecting plate 6, both ends of the vertical strip 62 are fixed to the connecting plate 6, and the vertical strip 62 is generally sewn to the connecting plate 6. As shown in fig. 20, a horizontal strip 421 is arranged outside the second rear panel 42, two ends of the horizontal strip 421 are fixed on the second rear panel 42, two sides of the middle of the horizontal strip 421 are vertically sewn and fixed on the second rear panel 42, and the sewing thread is c in the figure. The middle of the horizontal strip 421 is inserted into the vertical strip 62, so that the vertical strip 62 can move up and down in the middle of the horizontal strip 421. As shown in fig. 14, the relationship between the width a of the middle part of the horizontal strip 421 and the width b of the vertical strip 62 is a-b = 4-20 mm, and by setting this dimensional relationship, the connecting plate 6 can only move in the vertical direction, thereby preventing the backpack damping module from laterally shaking and improving the stability.

Because the shoulders of the human body are wide, the two sides above the connecting plate 6 are provided with the inclined angles 63, and the two shoulder belts 5 are connected to the inclined angles 63, so that the shoulder belts 5 are arranged more in accordance with the human engineering principle.

The utility model discloses when using, with knapsack main part 4 back of the body, shoulder 5 and be located human shoulder, under the state of not bearing, as shown in fig. 15, 17, moving part 2 is located installation cavity 13, and at this moment, horizontal strip 421 is located the upper portion of erecting strip 62. As shown in fig. 16 and 18, when the backpack body 4 bears the weight, the backpack body 4 descends under the action of gravity, the movable element 2 moves upward relative to the housing 1, and at this time, the vertical strip 62 moves upward relatively in the middle of the horizontal strip 421, and the spring 3 is stretched, so that the impact force on the shoulder caused by walking is reduced, and the effect of relieving the pressure is achieved. When the backpack is used as a child backpack, the position of the guide pillar 23 moving can be clearly seen through the display block 25, the load bearing state of the backpack of parents of the child can be reminded, and the early warning effect is achieved, so that the healthy growth of the child is protected.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims (16)

1. The utility model provides a knapsack shock attenuation module which characterized in that includes: the device comprises a shell (1), a movable piece (2) and a plurality of elastic elements; a mounting cavity (13) is formed in the shell (1), an opening is formed in the mounting cavity (13), and a guide groove (14) is formed in the mounting cavity (13);

the movable piece (2) is arranged in the mounting cavity (13), guide pillars (23) are arranged on two sides of the movable piece (2), and the guide pillars (23) slide in the guide grooves (14); the lower part of the elastic element is connected with the shell (1), and the upper part of the elastic element is connected with the movable piece (2).

2. The backpack shock absorbing module of claim 1, further comprising: the movable piece (2) comprises a connecting part (21), a hook (22) and two groups of guide posts (23), the connecting part (21), the hook (22) and the guide posts (23) are integrally formed, and the hook (22) is arranged below the connecting part (21); the upper end of the elastic element is connected with a hook (22).

3. The backpack shock absorbing module of claim 2, further comprising: the hook (22) is provided with two, the elastic element is a spring (3), and the spring (3) is provided with two.

4. The backpack shock absorbing module of claim 3, further comprising: the lower part of the guide post (23) is provided with a convex limiting block (24), one side of the guide groove (14) is also provided with a limiting guide groove (122), a limiting surface (1221) is arranged above the limiting guide groove (122), the limiting block (24) is arranged in the limiting guide groove (122), and the limiting block (24) moves to the upper part and is blocked by the limiting surface (1221).

5. The backpack shock absorbing module of claim 4, further comprising: the shell (1) comprises a front shell (11) and a rear shell (12), a connecting boss (123) is arranged in the middle of the rear shell (12), the connecting boss (123) is located between the spring (3) and the guide groove (14), and a plurality of positioning holes (124) are formed in the connecting boss (123); the inner side of the front shell (11) is provided with a positioning column (112), and the positioning column (112) is inserted into the positioning hole (124).

6. The backpack shock absorbing module of claim 5, further comprising: a hanging rod (113) is arranged below the inner side of the front shell (11), a hanging rod groove (125) is formed in the position, corresponding to the hanging rod (113), of the rear shell (12), the hanging rod (113) is inserted into the hanging rod groove (125), and one end of the spring (3) is connected to the hanging rod (113).

7. The backpack shock absorbing module of claim 5, further comprising: the guide post (23) is cylindrical, and the guide groove (14) comprises a first arc guide groove (121) arranged on the rear shell (12) and a second arc guide groove (111) arranged on the front shell (11); the guide post (23) is arranged between the first arc guide groove (121) and the second arc guide groove (111), and the limiting guide groove (122) is arranged in the middle of the first arc guide groove (121).

8. The backpack shock absorbing module of claim 5, further comprising: and an avoiding groove (15) is formed in the position of the spring (3) of the front shell (11).

9. The backpack shock absorbing module of claim 5, further comprising: a display block (25) for displaying the position of the guide post is arranged below the guide post (23); the front shell (11) is partially or fully transparent.

10. A backpack, characterized in that: the backpack damping module comprises a backpack body (4), shoulder straps (5) and the backpack damping module set according to any one of claims 1 to 9, wherein the shell (1) is fixed on the backpack body (4), and the shoulder straps (5) are connected with the movable piece (2).

11. The backpack of claim 10, wherein: the backpack body (4) comprises a first rear panel (41) and a second rear panel (42) located inside, and the shell (1) is fixed between the first rear panel (41) and the second rear panel (42).

12. The backpack of claim 11, wherein: still include connecting plate (6), baldric (5) are connected with moving part (2) upper end through connecting plate (6), connecting plate (6) inboard is provided with perpendicular strip (62), and the both ends of perpendicular strip (62) are fixed on connecting plate (6), second back panel (42) outside is provided with horizontal strip (421), horizontal strip (421) both ends are fixed on second back panel (42), and horizontal strip (421) middle part is worn to locate on perpendicular strip (62) and is made vertical strip (62) can reciprocate in horizontal strip (421) middle part.

13. The backpack of claim 12, wherein: the movable piece (2) comprises a connecting portion (21), a connecting groove (211) is formed in the connecting portion (21), a connecting ring (61) is arranged on the lower portion of the connecting plate (6), and the connecting ring (61) is hung in the connecting groove (211).

14. The backpack of claim 12, wherein: two sides of the middle part of the transverse strip (421) are vertically sewn and fixed on the second rear panel (42), so that the relation between the width a of the middle part of the transverse strip (421) and the width b of the vertical strip is a-b = 4-20 mm.

15. The backpack of claim 12, wherein: inclination angles (63) are arranged on two sides above the connecting plate (6), and the two shoulder belts (5) are connected to the inclination angles (63).

16. The backpack of claim 11, wherein: the shell comprises a front shell (11) and a rear shell (12), and a plurality of positioning holes (124) are formed in the middle of the rear shell (12); the inner side of the front shell (11) is provided with a positioning column (112), the positioning column (112) is inserted into and penetrates out of the positioning hole (124), the end part of the positioning column (112) is provided with a hole, and the hole of the positioning column is connected with the second rear panel (42) through a bolt.

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