Suspension module and backpack with vibration damping effect

Abstract

The suspension module has a vibration-absorbing effect and comprises a housing (100), a telescopic handle (200), a first elastic part (310), and a second elastic part (320). The housing (100) has an opening at its top and one or more guide grooves (130). The telescopic handle (200) passes through the opening and is slidably connected to the guide grooves (130). The telescopic handle (200) has a cavity, and a movable rod (25) is inserted into the cavity. The movable rod (250) has one end passing through the cavity and is movable up and down, and the movable rod (250) is provided with a pin shaft (252) which can limit the movement distance of the movable rod (250), the first elastic part (310) has an upper end connected to the telescopic handle (200) and a lower end connected to the housing (100), and the second elastic part (320) has an upper end connected to the movable rod (202) and a lower end connected to the housing (252). The suspension module with vibration buffering effect can fulfill the role of vibration buffering under different load conditions by using the first elastic part (310) and the second elastic part (320), and has a wide load threshold range, a small occupying space, and a wide range of applications.

Description

Technical Field

[0001] The present disclosure relates to the technical field of vibration dampers, and more specifically, to a suspension module and a backpack having a vibration damping effect.

Background Art

[0002] Backpacks are items commonly used in people's daily lives. When walking, the backpack swings up and down with the body, and the downward impact force generated can be three times the weight of the backpack itself. During long walks, continuous and large pressure is repeatedly applied to the shoulders and neck. Currently, there are three types of commercially available backpacks that can reduce the impact force generated by the backpack during walking and the pressure exerted by the backpack on the shoulders and neck. The first type uses an elastic member of the shoulder belt for buffering, the second type uses an external mechanical slide structure, and the third type uses a built-in one-way spring structure. However, the shoulder belt of the elastic member of the first type cannot withstand high-load buffering, and due to the low elongation rate of the elastic member, the buffering effect is limited and the life cycle is also limited. The second type of external mechanical slide structure has a complex structure, is expensive, and occupies a large space. The third type of built-in one-way spring structure is a relatively optimal solution, but the spring used in this structure, whether it is one or two, whether it is a tension spring or a compression spring, functions throughout the process of carrying, so the spring only functions within its effective stretching range. The biggest problem with this type of solution is that the threshold of the buffering load is small, and a good suspension buffering effect can only be obtained at 4 to 6 kg. It does not function when the load is too low, such as a children's bag, or when the load is too high, such as an outdoor backpack or a camera equipment backpack.

Summary of the Invention

[0003] The technical problem to be solved by the present disclosure is to propose a suspension module and a backpack having a vibration damping effect in consideration of the drawbacks of the above prior art.

[0004] The technical solution adopted in this disclosure to solve the technical challenges is to propose a suspension module having a vibration damping effect, the suspension module comprising a housing, a telescopic handle, a first elastic component, and a second elastic component, The housing has an opening at the top and is provided with one or more guide grooves. The telescopic handle is slidably connected to the guide groove through the opening, the telescopic handle is provided with a cavity, a movable rod is provided within the cavity, one end of the movable rod is movable up and down through the cavity, a pin shaft is provided on the movable rod, the pin shaft can limit the travel distance of the movable rod, The first elastic component has its upper end connected to the telescopic handle and its lower end connected to the housing. The second elastic component has its upper end connected to the movable rod and its lower end connected to the housing.

[0005] In some embodiments, the first and second elastic components are tension springs, the first elastic component comprises two tension springs, and the second elastic component comprises one tension spring.

[0006] In some embodiments, the housing comprises a front housing and a rear housing, The rear housing is provided with a plurality of positioning holes, Multiple positioning pins are provided inside the front housing, and these positioning pins are inserted into and connected to the positioning holes.

[0007] In some embodiments, the telescopic handle comprises a connecting portion, a hook, and a guide post. The hook is positioned below the connecting portion and is for connecting to the upper end of the first elastic component. The guide columns are arranged on both sides of the connecting portion and connected to the guide grooves. The connecting portion, hook, and guide post are formed as a single unit.

[0008] In some embodiments, a limiting block is provided at one end of the guide column away from the connecting portion, a limiting surface is provided above the guide groove, and the limiting block is blocked by the limiting surface when it moves above the guide groove.

[0009] In some embodiments, the guide groove includes a sliding groove and an arc-shaped groove. The sliding groove is located inside the rear housing and is slidably connected to the guide column. The arc-shaped groove is positioned on the inside of the front housing and on the outside of the guide column, so that the guide column moves along the fixed direction.

[0010] In some embodiments, the positioning pin is provided with a hook groove, which is used to secure the lower ends of the first and second elastic components.

[0011] In some embodiments, the housing is provided with relief grooves, which can reduce friction and noise generated when the first and second elastic components are stretched.

[0012] In some embodiments, a mark is provided on the front housing, which is used to display the load value in real time.

[0013] In some embodiments, the front housing is partially or completely transparent to facilitate the display of the real-time position of the guide column.

[0014] In some embodiments, the rear housing is further provided with threading holes, which are arranged around the rear housing to embed the vibration-damping suspension module into other components.

[0015] In some embodiments, a rigid plastic material is used for the front housing and a flexible plastic material is used for the rear housing.

[0016] The present disclosure further provides a backpack comprising a suspension module having the above vibration buffering effect.

[0017] The suspension module with vibration buffering effect according to the present disclosure can play a role in vibration buffering under different load conditions through the combination of the first elastic component and the second elastic component, has a large load threshold range, a small occupied space, and a wide application range.

Brief Description of the Drawings

[0018] Hereinafter, the present disclosure will be further described with reference to the accompanying drawings and embodiments.

[0019] [Figure 1] It is a plan view of the suspension module with vibration buffering effect according to the present disclosure. [Figure 2] It is a schematic diagram of the three-dimensional structure of the front housing of the suspension module with vibration buffering effect shown in FIGURE 1. [Figure 3] It is a schematic diagram of the three-dimensional structure of the rear housing of the suspension module with vibration buffering effect shown in FIGURE 1. [Figure 4] It is a schematic diagram of the three-dimensional structure of the telescopic handle of the suspension module with vibration buffering effect shown in FIGURE 1. [Figure 5] It is a front view of the suspension module with vibration buffering effect according to the present disclosure. [Figure 6] It is a cross-sectional view in the A-A direction of the housing shown in FIGURE 5. [Figure 7] It is a cross-sectional view in the B-B direction of the suspension module with vibration buffering effect shown in FIGURE 5. [Figure 8] It is a schematic diagram of the initial state of the suspension module with vibration buffering effect according to the present disclosure. [Figure 9] It is a schematic diagram of the first-stage extension of the suspension module with vibration buffering effect according to the present disclosure. [Figure 10]It is a schematic diagram of the second-stage extension of a suspension module having a vibration damping effect according to the present disclosure. [Figure 11] It is a schematic diagram of a mark of a suspension module having a vibration damping effect shown in FIG. 5.

Embodiments for Carrying Out the Invention

[0020] Hereinafter, the technical solutions in the embodiments of the present disclosure will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present disclosure without creative labor are included in the protection scope of the present disclosure.

[0021] In order to solve the problem that the load threshold of an existing vibration damping backpack is low, the present disclosure provides a suspension module having a vibration damping effect. The suspension module has a wide threshold range, a small occupied space, and a wide application range.

[0022] As shown in FIGS. 1 to 7, the suspension module includes a housing 100, a telescopic handle 200, a first elastic component 310, and a second elastic component 320. The housing 100 is provided with an opening at the upper part and two guide grooves. The telescopic handle 200 is slidably connected to the guide groove 130 through the opening. The telescopic handle 200 can move up and down along the guide groove 130. One cavity is provided in the telescopic handle 200, a movable groove 240 is provided in the cavity, and a movable rod 250 is provided in the cavity. One end of the movable rod 250 can move up and down through the cavity. A pin shaft 252 is provided on the movable rod 250, and the movement of the movable rod 250 within the range of the movable groove 240 can be restricted. The upper end of the first elastic component 310 is connected to the telescopic handle 200, and the lower end is connected to the housing 100. The upper end of the second elastic component 320 is connected to the movable rod 250, and the lower end is connected to the housing 100.

[0023] Specifically, as shown in Figure 4, a pin shaft 252 is provided at the upper end of the movable rod 250. When the movable rod 250 moves upward to the upper end of the movable groove 240, the pin shaft 252 restricts further movement of the movable rod 250. When the movable rod 250 moves downward to the lower end of the movable groove 240, the pin shaft 252 restricts further downward movement of the movable rod 250, that is, the distance the movable rod 250 moves is equal to the length of the movable groove 240. A connecting hole 251 is provided at the lower end of the movable rod 250, and the movable rod 250 is connected to the second elastic component 320 via the connecting hole 251. The first elastic component 310 and the second elastic component 320 together constitute the elastic component 300 of the suspension module, and the elastic component 300 is extended when the telescopic handle 200 moves upward.

[0024] Specifically, as shown in Figure 8, when the telescopic handle 200 is not being pulled, the elastic component 300 is in its initial state, that is, the first elastic component 310 and the second elastic component 320 are not stretched. In the first stage, the telescopic handle 200 is pulled upward, the first elastic component 310 is stretched, and at the same time the movable slot 240 moves upward together with the telescopic handle 200, the pin shaft 252 gradually moves away from the upper end of the movable slot 240 and approaches the lower end of the movable slot 240, at which point the movable rod 250 remains stationary relative to the backpack body, the second elastic component 320 is not stretched, and the suspension module reaches the initial load threshold. When the telescopic handle 200 is pulled to a certain distance, as shown in Figure 9, the pin shaft 252 of the movable rod 250 reaches the lower end of the movable groove 240. At this point, the first elastic component 310 is stretched, and the second elastic component 320 is in its initial state, at which point the suspension module reaches its first load threshold. In the second stage, as shown in Figure 10, the telescopic handle 200 continues to be pulled upward, the first elastic component 310 continues to be stretched, and the movable rod 250 is restricted by the pin shaft 252 and moves upward together with the telescopic handle 200. At this point, the second elastic component 320 is stretched. When the telescopic handle 200 can no longer be pulled, the suspension module reaches its second load threshold, i.e., its maximum load threshold.

[0025] Taking a backpack as an example, the housing of the suspension module is fixedly connected to the main body of the backpack, and the retractable handle of the suspension module is connected to the backpack's shoulder straps. The suspension module reduces the impact force generated on the backpack during walking through the vibration damping effect of the elastic module, thereby reducing the pressure on the backpack. Existing technology is used to connect the suspension module to the backpack.

[0026] For example, the first load threshold is 6 kg, and the second load threshold is 12 kg.

[0027] In conventional technology, a suspension module uses one or more sets of elastic components, and all of these sets use the same connection method. If the backpack weighs 10 kg or more, and the suspension module uses elastic components with a threshold range of 2 to 6 kg, at least two sets of such elastic components are required. In this case, the initial load threshold of the suspension module is at least 4 kg, so the suspension module is not suitable for backpacks with a load of 2 to 4 kg. If the suspension module uses only elastic components with a threshold range of 6 to 12 kg, only one set of such elastic components is required, but if the backpack weighs less than 6 kg, the suspension module cannot perform its vibration damping function. Alternatively, if one elastic component with a threshold range of 2 to 12 kg is used, the initial length and elongation length of the elastic component increase, the occupied space increases, and the amplitude of the elastic component increases, affecting the vibration damping effect.

[0028] The suspension module of this disclosure requires only one pair of first elastic components 310 with a threshold range of 2 to 6 kg and one pair of second elastic components 320 with a threshold range of 6 kg or more, and can achieve a vibration damping effect with a threshold range of 2 to 12 kg. In one embodiment, when the load of the backpack reaches the initial load threshold, the first elastic component 310 is activated, but when the load of the backpack reaches the second load threshold, the first elastic component 310 and the second elastic component 320 are activated simultaneously. Under the condition of achieving the same threshold load range, the suspension module of this disclosure requires fewer elastic components, thus reducing the weight of the suspension module itself, while also requiring a shorter extension length, occupying less space, and having a wider range of applications.

[0029] In other embodiments, it is understood that the first elastic component 310 and the second elastic component 320 may use elastic components having different threshold ranges to accommodate a backpack that meets higher load threshold requirements, depending on the actual needs.

[0030] Furthermore, the elastic component 300 includes a tension spring, but is not limited to this; it may also include a compression spring, or a combination of a tension spring and a compression spring.

[0031] In different embodiments, it can be understood that by employing a combination of springs with different spring constants in the first elastic component 310 and the second elastic component 320, the initial load threshold can be reduced or the maximum load threshold can be increased. On the other hand, in this embodiment, the first elastic component 310 comprises two tension springs having the same spring constant, and the second elastic component 320 comprises one tension spring, and the spring constants of the first elastic component 310 and the second elastic component 320 are not necessarily the same.

[0032] Furthermore, the housing 100 includes a front housing 110 and a rear housing 120, where the rear housing 120 is provided with a plurality of positioning holes 121, and the front housing 110 is provided with a plurality of positioning pins 111 on the inside, and the front housing 110 is fixedly connected to the rear housing 120 by inserting the positioning pins 111 into the positioning holes 121 and connecting them. The front housing 110 and the rear housing 120 are combined to form a housing 100 with an open upper end, and a mounting cavity is formed between the front housing 110 and the rear housing 120. The telescopic handle 200 is placed inside the mounting cavity through this opening.

[0033] Furthermore, some of the positioning pins 111 are provided with concave hook grooves 1111, which are used to fix the lower ends of the first elastic component 310 and the second elastic component 320. The first elastic component 310, which is connected to the hook 220 and the hook groove 1111, and the second elastic component 320, which is connected to the movable rod 250 and the hook groove 1111, are on the same plane and parallel to each other. In addition, the first elastic component 310 and the second elastic component 320 are also parallel to the guide column 230.

[0034] Furthermore, as shown in the figure, the telescopic handle 200 has an axially symmetric structure, and a connecting portion 210 is provided at its upper end. A cavity is provided at the center of the lower end of the connecting portion 210, and a movable rod 250 is provided within this cavity, with movable grooves 240 facing each other at the front and rear positions of the cavity. There are connecting holes 251 at the upper and lower ends of the movable rod 250. A pin shaft 252 that crosses the movable groove 240 is provided in the upper connecting hole 251, restricting the movement of the movable rod 250 within the movable groove 240. The lower connecting hole 251 is used for connecting to the second elastic component 320. Hooks 220 are provided on the left and right sides of the cavity at the lower end of the connecting portion 210. The hooks 220 are for connecting to the upper end of the first elastic component 310. A guide column 230 is provided on each side of the connecting portion 210, and the telescopic handle 200 is slidably connected to the guide groove 130 of the housing 100 via the guide columns 230.

[0035] Preferably, in this embodiment, the connecting portion 210, the hook 220, the cavity, and the guide column 230 are integrally formed. In some embodiments, it is understood that the hook 220, the cavity, and the guide column 230 can be fixedly connected to the connecting portion 210 by a connecting member.

[0036] Furthermore, the housing 100 also includes a limiting groove. The limiting groove includes a first limiting groove 114 provided in the front housing 110 and a second limiting groove 124 provided in the rear housing 120. The positions of the first limiting groove 114 and the second limiting groove 124 correspond to the upper end of the movable groove 240. When the pin shaft 252 is positioned at the uppermost end of the movable groove 240, the suspension module is in its initial state, and the first elastic component 310 and the second elastic component 320 are in their original state, neither stretched nor compressed. Both ends of the pin shaft 252 are suspended from the first limiting groove 114 and the second limiting groove 124, preventing the movable rod 250 from falling naturally due to gravity and compressing the second elastic component 320.

[0037] Furthermore, a limiting block 231 is provided at the lower end of the guide column 230, that is, at the end away from the connecting portion 210. A limiting surface 131 is provided above the guide groove 130. When the limiting block 231 moves above the guide groove 130, it is blocked by the limiting surface 131, preventing the telescopic handle 200 from being pulled out of the housing 100.

[0038] As shown in Figure 10, when the telescopic handle is extended a certain distance, the limiting block 231 is blocked by the limiting surface 131, and the telescopic handle 200 cannot move any further upward. At this point, the second elastic component 320 reaches its longest state, and the suspension module reaches the maximum load threshold, i.e., the second load threshold.

[0039] Furthermore, the guide groove 130 includes a sliding groove 122 provided on the inside of the rear housing 120 and an arc-shaped groove 112 provided on the inside of the front housing 110. The sliding groove 122 is slidably connected to the guide column 230, and the arc-shaped groove 112 is provided on the outside of the guide column 230, so that the guide column 230 moves along a certain direction. A limiting surface 131 is provided at the upper end of the sliding groove 122. When the guide column 230 moves along the sliding groove 122 to the limiting surface 131, it can no longer move. At this time, the second elastic component 320 is extended to its longest state and reaches the first load threshold of the suspension module. The guide groove 130 not only restricts the direction of movement of the guide column 230, but also balances the telescopic handle 200 from side to side during the tensioning process, prevents lateral swaying of the elastic component 300, reduces friction between the elastic component 300 and the housing 100, and prevents noise generation.

[0040] Furthermore, the bottom surface of the lower end of the arc-shaped groove 112 can restrict the downward movement of the guide column 230.

[0041] Furthermore, in some embodiments, the suspension module may include one or more guide grooves and one or more corresponding guide columns. By applying multiple guide grooves and guide columns, the structure of the suspension module becomes more stable, preventing the elastic component 300 from shifting laterally and avoiding friction and noise of the elastic component.

[0042] Furthermore, the housing 100 is provided with a relief groove 140 formed by a first recessed groove 113 in the front housing 110 and a second recessed groove 123 in the rear housing 120. The space formed by the relief groove 140 is for arranging the first elastic component 310 and the second elastic component 320. The relief groove 140 further reduces friction between the elastic component 300 and the housing 100 when the elastic component 300 is stretched, thereby avoiding noise generation and providing the user with a better user experience.

[0043] Furthermore, in some embodiments, marks are provided on both the left and right sides of the front housing 100, which are used to display the load value in real time. These marks indicate the load value of the suspension module when the guide column 230 is in a different position. The user can obtain load information in real time according to the position of the corresponding mark on the limiting block 231 at the lower end of the guide column 230.

[0044] Specifically, as shown in Figure 11, a floating buoy is installed at the bottom of the guide column 230, the portion of the front housing 110 facing the buoy is the weight value of mark 115, and the left and right sides of the weight value are weight scale indicators. The buoy and the guide column 230 move in sync. When the guide column 230 moves upward, the buoy also moves upward, and a different weight value, i.e., the load state of the backpack, is displayed accordingly. Preferably, a fluorescent material is used for the buoy so that the user can observe the load state of the backpack even in a dark environment.

[0045] Furthermore, the number of marks 115 provided is not limited to one set. Specifically, the number of marks 115 may be the same as the number of guide columns 230, or it may be less than the number of guide columns 230.

[0046] Furthermore, in some embodiments, the front housing is partially or completely transparent to facilitate the display of the buoy's real-time position.

[0047] Furthermore, in some embodiments, the rear housing 120 also includes sewing holes 125 located in the skirt of the rear housing 120, and since the skirt has a certain height difference from the upper edge of the rear housing 120, the suspension module is connected to the backpack body in an embedded manner.

[0048] Furthermore, in some embodiments, a rigid plastic material is used for the front housing 110 and a flexible plastic material is used for the rear housing 120. In this embodiment, the notch in the arc-shaped groove 112 of the front housing 110 can accommodate only the width of the limiting block 231. The telescopic handle 200 is positioned within the arc-shaped groove 112. The telescopic handle 200 can be pulled up and down within the arc-shaped groove 112 without being subjected to force from the sliding groove 122 of the rear housing 120. Therefore, even if a flexible plastic material is used for the rear housing 120, it does not affect the overall extension of the telescopic handle 200. In this case, the combination of rigid and flexible plastic materials makes it easier to sew the skirt of the rear housing to the backpack body while maintaining the overall strength of the suspension module, and eliminates the need to provide sewing holes. At the same time, the outer surface of the housing and the surface of the backpack body are flat and without protrusions, providing a better user experience.

[0049] The vibration-damping suspension module according to this disclosure, through a combination of the first elastic component 310 and the second elastic component, can perform vibration damping under different load conditions, has a wide load threshold range, occupies little space, and has a wide range of applications.

[0050] This disclosure further provides a backpack equipped with a suspension module having vibration damping effect as disclosed in embodiments of this disclosure.

[0051] This disclosure further provides a shoulder bag comprising a suspension module having vibration damping effect as disclosed in embodiments of this disclosure.

[0052] This disclosure further provides a suitcase comprising a suspension module having vibration damping effect as disclosed in embodiments of this disclosure.

[0053] The embodiments described above are intended to illustrate the technical ideas and features of the Disclosure, and their purpose is to enable those familiar with the Art to understand and implement the Disclosure, and not to limit the scope of protection of the Disclosure. All equivalent changes and modifications made to the claims of the Disclosure should be included within the claims of the Disclosure.

[0054] Those skilled in the art can make improvements and modifications based on the above description, and it should be understood that all such improvements and modifications are within the scope of protection of the claims attached to this disclosure. [Explanation of Symbols]

[0055] 100 cabinets 110 Front housing 111 Positioning pins 1111 Hanging groove 112 Arc groove 113 1st groove 114 First Restriction Groove 115 Mark 120 Rear enclosure 121 Positioning holes 122 Sliding groove 123 2nd groove 130 guide grooves 131 Restriction surface 124 Second limiting groove 125 Sewing holes 140 escape groove 200 Telescopic Handle 210 Connection section 220 hooks 230 Guideposts 231 Restricted Block 240 Movable groove 250 movable rods 251 connecting holes 252 pin shaft 300 elastic parts 310 First elastic component 320 Second elastic component.

Claims

1. A suspension module having a vibration damping effect, comprising a housing, a telescopic handle, a first elastic component, and a second elastic component, The housing has an opening at the top and is provided with one or more guide grooves. The telescopic handle is slidably connected to the guide groove through the opening, the telescopic handle is provided with a cavity, a movable rod is provided within the cavity, one end of the movable rod is movable up and down through the cavity, a pin shaft is provided on the movable rod, the pin shaft can limit the travel distance of the movable rod, The first elastic component has its upper end connected to the telescopic handle and its lower end connected to the housing. A suspension module having a vibration damping effect, characterized in that the second elastic component has its upper end connected to the movable rod and its lower end connected to the housing.

2. The suspension module having a vibration damping effect according to claim 1, characterized in that the first elastic component and the second elastic component are tension springs, the first elastic component comprises two tension springs, and the second elastic component comprises one tension spring.

3. The housing comprises a front housing and a rear housing, The rear housing is provided with a plurality of positioning holes, The suspension module having a vibration damping effect according to claim 1, characterized in that a plurality of positioning pins are provided inside the front housing, and the positioning pins are inserted into and connected to the positioning holes.

4. The aforementioned telescopic handle comprises a connecting part, a hook, and a guide post. The hook is positioned below the connecting portion and is for connecting to the upper end of the first elastic component. The guide columns are arranged on both sides of the connecting portion and connected to the guide grooves. The suspension module having vibration damping effect according to claim 3, characterized in that the connecting portion, hook, and guide column are formed integrally.

5. A suspension module having a vibration damping effect according to claim 4, characterized in that a limiting block is provided at one end of the guide column away from the connecting portion, a limiting surface is provided above the guide groove, and when the limiting block moves above the guide groove, it is blocked by the limiting surface.

6. The guide groove includes a sliding groove and an arc-shaped groove, The sliding groove is located inside the rear housing and is slidably connected to the guide column. The suspension module having a vibration damping effect according to claim 4, characterized in that the arc-shaped groove is arranged inside the front housing and outside the guide column, so that the guide column moves along the fixed direction.

7. The suspension module having vibration damping effect according to claim 3, characterized in that the positioning pin is provided with a hook groove, and the hook groove is for fixing the lower ends of the first elastic component and the second elastic component.

8. The suspension module having vibration damping effect according to claim 3, characterized in that the housing is provided with relief grooves, and the relief grooves can reduce friction and noise generated when the first elastic component and the second elastic component are stretched.

9. The suspension module having vibration damping effect according to claim 3, characterized in that a mark is provided on the front housing, and the mark is for displaying the load value in real time.

10. The suspension module having vibration damping effect according to claim 3, characterized in that the front housing is partially transparent or completely transparent in order to facilitate the display of the real-time position of the guide column.

11. The vibration-damping suspension module according to claim 3, further comprising sewing holes, wherein the sewing holes are arranged around the rear housing so as to embed the vibration-damping suspension module into the backpack body.

12. The suspension module having vibration damping effect according to claim 3, characterized in that a hard plastic member is used for the front housing and a soft plastic member is used for the rear housing.

13. A backpack, characterized by comprising a suspension module having a vibration damping effect as described in any one of claims 1 to 12.

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