CN216311954U

CN216311954U - Shock-absorbing structure of bearing component and bearing type garden tool provided with same

Info

Publication number: CN216311954U
Application number: CN202122337909.4U
Authority: CN
Inventors: 杨旭东; 上官云杰
Original assignee: Globe Jiangsu Co Ltd
Current assignee: Globe Jiangsu Co Ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-04-15
Anticipated expiration: 2031-09-26

Abstract

The utility model provides a damping structure of a backpack assembly and a backpack garden tool provided with the same, belonging to the technical field of garden tools. The shock-absorbing structure of the present invention may include: the device comprises a shell, a back plate and a plurality of elastic pieces; wherein, a battery bin is arranged at one side of the shell, and a battery pack is inserted in the battery bin; the back plate is connected with the other side of the shell through a connecting piece; and a plurality of elastic pieces are arranged between the back plate and the shell, the elastic pieces are positioned at the connecting position of the shell and the back plate, and the elastic pieces are arranged on the connecting piece in a penetrating way and positioned between the shell and the back plate. The elastic piece is arranged at the joint of the shell and the back plate of the bearing component, so that the vibration generated during working is absorbed, the vibration is prevented from being transmitted to a user, and the comfort of the user during working of bearing the garden tool is effectively improved.

Description

Shock-absorbing structure of bearing component and bearing type garden tool provided with same

Technical Field

The utility model relates to the technical field of garden tools, in particular to a damping structure of a bearing component and a bearing type garden tool provided with the damping structure.

Background

Currently, various types of cleaning devices, garden tools, and the like have been commonly used in daily life. Common cleaning devices and garden tools in the market, such as handheld dust collectors and handheld hair dryers, are more and more familiar to consumers, and are widely favored by users due to the advantages of portability, no need of power cords during use and the like.

To facilitate user use and avoid heavy user experience, the battery pack of the handheld tool is typically small, thereby limiting range. For this purpose, a backpack battery pack is used to supply power to the hand tool. Therefore, the arm burden of the user can be reduced, and the cruising ability can be effectively improved.

However, the vibration generated by the backpack garden tool during operation is easily transmitted to the user through the back and back assembly, for example, the vibration generated by the backpack blower during operation due to the rotation of the impeller driven by the motor crankshaft is transmitted to the back of the gardener through the fan shell, the frame and the back plate, which greatly affects the comfort level of the user. Therefore, a shock-absorbing structure of the backpack assembly needs to be designed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above disadvantages of the prior art, an object of the present invention is to provide a damping structure for a backpack assembly and a backpack garden tool having the same, which can reduce the vibration generated during the operation of the garden tool before transmitting to a back plate, so as to solve the problem that the vibration generated during the operation of the backpack garden tool in the prior art is easily transmitted to the back of a user through the backpack assembly, thereby causing discomfort during the use of the user.

In order to achieve the above and other related objects, the present invention provides a shock absorbing structure of a backpack assembly, including a housing, a back plate, and a plurality of elastic members;

wherein, a battery bin is arranged at one side of the shell, and a battery pack is inserted in the battery bin; the back plate is connected with the other side of the shell through a connecting piece; and a plurality of elastic pieces are arranged between the back plate and the shell, the elastic pieces are positioned at the connecting position of the shell and the back plate, and the elastic pieces are arranged on the connecting piece in a penetrating way and positioned between the shell and the back plate.

In an example of the present invention, one of the back plate and the housing is provided with a plurality of first through holes, the other of the back plate and the housing is provided with a plurality of fixing shafts corresponding to the first through holes, the fixing shafts are provided with second through holes, the fixing shafts are matched in shape with the shaft holes of the elastic members, the elastic members are mounted on the fixing shafts in a penetrating manner, and the end portions of the fixing shafts are disposed in the first through holes.

In one example of the present invention, the connection member is connected to the housing through the first through hole, the elastic member, and the second through hole in this order.

In one example of the present invention, the shape of the first through hole matches the shape of the outer edge of the elastic member.

In an example of the present invention, a spacer is provided between the first through hole and the connecting member.

In an example of the present invention, the back plate is provided with a first through hole, and the housing is provided with a fixing shaft.

In an example of the present invention, the housing includes a first housing and a second housing, the first housing is fixed to the backpack assembly, the second housing is detachably mounted to the first housing, and the fixed shaft is disposed on the second housing.

In an example of the present invention, the housing has a first through hole, and the back plate has a fixing shaft.

In an example of the present invention, the first through hole extends in a direction parallel to the back plate and is provided on a first mount protruding from the housing, and the fixing shaft extends in a direction parallel to the back plate and is provided on a second mount protruding from the back plate.

In one example of the present invention, the elastic member is a rubber ring or a damper spring.

In one example of the utility model, the outer edges of two sides of the rubber ring are provided with limiting edges extending outwards, the rubber ring is clamped in the first through hole, and the limiting edges of two sides of the rubber ring are abutted against the outer walls of two sides of the first through hole.

In an example of the utility model, mounting grooves are arranged on two sides of the first through hole, and the shapes of the mounting grooves are matched with those of the limiting edges.

The utility model also provides a backpack garden tool, which comprises a machine body component and a back carrying component, wherein the machine body component is connected with one side of the back carrying component; wherein, bear and be provided with shock-absorbing structure in the subassembly, shock-absorbing structure includes: comprises a shell, a back plate and a plurality of elastic pieces; wherein, a battery bin is arranged at one side of the shell, and a battery pack is inserted in the battery bin; the back plate is connected with the other side of the shell through a connecting piece; and a plurality of elastic pieces are arranged between the back plate and the shell, the elastic pieces are positioned at the connecting position of the shell and the back plate, and the elastic pieces are arranged on the connecting piece in a penetrating way and positioned between the shell and the back plate.

The damping structure of the bearing component can arrange the elastic part between the shell and the back plate of the bearing component, and the elastic part is clamped between the shell and the back plate through the connection of the connecting part, so that the elastic part is used as a buffer part between the shell and the back plate in the bearing component. Elastic component passes through elastic deformation effective absorption vibration at the junction of casing and backplate, can play and weaken and even cut off the effect of vibration transmission to backplate that backpack garden instrument during operation produced in the casing, has effectively promoted the comfort of user when carrying out the during operation at backpack garden instrument.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a three-dimensional view of a backpack garden tool in one embodiment of the present invention;

FIG. 2 is an exploded view of a backpack assembly of the backpack garden tool in one embodiment of the present invention;

FIG. 3 is a schematic structural view of a back plate of the backpack assembly according to an embodiment of the present invention;

FIG. 4 is a three-dimensional view of a backpack garden tool according to another embodiment of the present invention;

FIG. 5 is an exploded view of a backpack assembly of a backpack garden tool according to another embodiment of the present invention;

FIG. 6 is a schematic view of a shock-absorbing structure at a backpack assembly in a backpack garden tool according to another embodiment of the present invention.

Description of the element reference numerals

100. A backpack garden tool; 200. a shock-absorbing structure; 110. a fuselage assembly; 120. a backpack assembly; 130. a handle; 210. A housing; 211. a first housing; 212. a second housing; 213. a battery compartment; 220. a back plate; 230. an elastic member; 231. a rubber ring; 232. a damping spring; 240. a first through hole; 241. mounting grooves; 250. a fixed shaft body; 251. a second through hole; 260. A first pallet; 270. a second pallet; 280. a bolt; 281. a nut; 290. and (7) a gasket.

Detailed Description

Referring to fig. 1 to 6, embodiments of the present invention are described below with specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. It is also to be understood that the terminology used in the examples is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the present invention. Test methods in which specific conditions are not specified in the following examples are generally carried out under conventional conditions or under conditions recommended by the respective manufacturers.

When numerical ranges are given in the examples, it is understood that both endpoints of each of the numerical ranges and any value therebetween can be selected unless the utility model otherwise indicated. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs and the description of the present invention, and any methods, apparatuses, and materials similar or equivalent to those described in the examples of the present invention may be used to practice the present invention.

Referring to fig. 1 to 6, an object of the present invention is to provide a damping structure of a backpack assembly and a backpack garden tool having the same, which can weaken vibration generated when the garden tool is operated before the vibration is transmitted to a back plate, so as to solve the problem that the vibration generated when the backpack garden tool is operated in the prior art is easily transmitted to the back of a user through the backpack assembly, thereby causing discomfort when the user uses the backpack garden tool.

Referring to fig. 1 and 4, the shock-absorbing structure 200 of the present invention is used to attenuate and block the transmission of vibrations in the backpack assembly 120 of the backpack garden tool 100. The backpack garden tool 100 comprises a body component 110 and a backpack component 120, the backpack component 120 is fixed on the body component 110, the body component 110 is arranged on one side of the backpack component 120, a user can backpack the backpack garden tool 100 on the body through the backpack component 120 and operate the body component 110 through the handle 130 to work when using, the shock-absorbing structure 200 is arranged in the backpack component 120, and can weaken the vibration generated when the body component 110 works and avoid the vibration from being transmitted to the user.

Referring to fig. 2, 5 and 6, the shock absorbing structure 200 of the backpack assembly 120 may include a housing 210, a back plate 220 and a plurality of elastic members 230. The housing 210 is disposed on the outer edge of the backpack assembly 120, and the back plate 220 is connected to the surface of the housing 210 facing to the back side through a connecting member. The casing 210 is further provided with a battery compartment 213, the battery compartment 213 is disposed on a side of the casing 210 away from the back plate 220, and a battery pack can be inserted into the battery compartment 213 to supply power to the backpack garden tool 100 on which the backpack assembly 120 is mounted. Here, the type of the above-mentioned coupling member may not be limited, and in the present invention, the coupling member may be a bolt 280 and a nut 281. A plurality of elastic members 230 are further disposed between the back plate 220 and the casing 210, the elastic members 230 are located at the position where the casing 210 is connected with the back plate 220, and the elastic members 230 are inserted into the bolts 280 and located between the casing 210 and the back plate 220 to serve as buffer members between the casing 210 and the back plate 220, and are firmly clamped by the casing 210 and the back plate 220 to absorb vibration transmitted between the casing 210 and the back plate 220.

Specifically, one of the housing 210 or the back plate 220 is provided with a plurality of first through holes 240, and the other of the housing 210 or the back plate 220 is provided with a plurality of fixing shafts 250 corresponding to the first through holes 240. The arrangement of the first through hole 240 and the fixing shaft 250 on the housing 210 or the back plate 220 is not limited, and for example, the first through hole 240 and the fixing shaft 250 may be directly arranged on the surface of the housing 210 or the back plate 220, or indirectly arranged on a pallet extending from the housing 210 or the back plate 220. The fixing shaft 250 is provided with a second through hole 251, and the shape of the fixing shaft 250 matches the shaft hole of the elastic member 230. In the shock absorbing structure 200, the bolt 280, the first through hole 240, the elastic member 230 and the second through hole 251 of the fixed shaft 250 are coaxially disposed, and since the shape of the fixed shaft 250 matches the shape of the axial hole of the elastic member 230, and the shape of the outer edge of the elastic member 230 matches the shape of the first through hole 240, when the elastic member is installed between the housing 210 and the back plate 220, the elastic member 230 can be firstly mounted on the fixed shaft 250 and then extends into the first through hole 240 together with the fixed shaft 250, and at this time, the elastic member 230 is concentrically disposed between the first through hole 240 and the fixed shaft 250. Then, the bolt 280 may sequentially pass through the first through hole 240 of the back plate 220 or the casing 210, the elastic element 230, and the second through hole 251 of the fixed shaft 250 of the casing 210 or the back plate 220 and be in threaded connection with the nut 281, and the nut 281 is used to connect the first through hole 240 with the fixed shaft 250 and fix the elastic element 230 between the first through hole 240 and the fixed shaft 250.

Moreover, the elastic member 230 may be made of an elastic material with high toughness, such as a rubber ring 231, a damping spring 240, etc., and the joint between the housing 210 and the back plate 220 effectively absorbs vibration through elastic deformation, so that the vibration generated in the housing 210 when the backpack garden tool 100 works can be effectively weakened or even blocked from being transmitted to the back plate 220, and the comfort of the user when the user wears the backpack garden tool 100 during working is effectively improved.

Referring to fig. 2, 5 and 6, in an embodiment of the present invention, a spacer 290 is further disposed between the first through hole 240 and the head of the bolt 280, the bolt 280 passes through the spacer 290 and then passes through the first through hole 240, and the head of the bolt 280 may be fixed to one side of the first through hole 240 after passing through the spacer 290, and the spacer 290 may be fixed to one side of the first through hole 240.

Referring to fig. 1 to 3, in an embodiment of the utility model, a plurality of first through holes 240 are disposed on the back plate 220, the first through holes 240 are disposed on the back plate 220 along a direction perpendicular to a surface of the back plate 220, meanwhile, a plurality of fixing shaft bodies 250 are disposed on a surface of the housing 210 facing the back plate 220 and opposite to the first through holes 240, and the fixing shaft bodies 250 extend from the housing 210 and extend along an orthogonal direction of a plate body of the back plate 220, and an end portion of the fixing shaft body points to the first through holes 240. In addition, in this embodiment, the elastic element 230 is a rubber ring 231, the outer edges of the two sides of the rubber ring 231 are provided with limiting edges extending outward, because the shape of the outer ring of the rubber ring 231 matches the first through hole 240, the rubber ring 231 can be disposed in the first through hole 240 and abutted against the outer walls of the two ends of the first through hole 240 by the limiting edges of the two sides of the rubber ring 231, so as to be fixed on the back plate 220, and the fixing shaft 250 can be inserted into the rubber ring 231 fixed at the first through hole 240. When the back plate 220 is mounted on the housing 210 through the shock-absorbing structure 200, the bolt 280, the spacer 290, the first through hole 240, the rubber ring 231 and the second through hole 251 of the fixing shaft 250 are coaxially disposed, wherein the rubber ring 231 is clamped in the first through hole 240, the fixing shaft 250 aligns with the first through hole 240 and extends into the rubber ring 231 for limiting, the bolt 280 sequentially passes through the spacer 290, the first through hole 240 on the back plate 220, the rubber ring 231 and the second through hole 251 of the fixing shaft 250 on the housing 210 and is in threaded connection with the nut 281, the housing 210, the back plate 220 and the rubber ring 231 are connected together by the nut 281, and the rubber ring 231 is fixed and compressed between the housing 210 and the back plate 220.

Referring to fig. 2, in the present embodiment, the housing 210 includes a first housing 211 and a second housing 212. The first housing 211 is fixed to the backpack assembly 120, and the second housing 212 is detachably mounted to the first housing 211. In order to facilitate the mounting and dismounting of the nut 281 on the bolt 280 in the shock-absorbing structure 200, the fixing shaft body 250 is provided on a side of the second housing 212 facing the back plate 220. When the back plate 220 and the rubber ring 231 are mounted on the housing 210 through the bolts 280, the second housing 212 needs to be detached from the first housing 211, the back plate 220, the rubber ring 231 and the second housing 212 are mounted together through the bolts 280, then the bolt 280 extending out of the second housing 212 is screwed on the surface of the second housing 212 departing from the back plate 220 through the nut 281, the back plate 220 and the rubber ring 231 are fixedly pressed on the second housing 212, and finally the second housing 212 is mounted on the first housing 211, so that the back plate 220 and the rubber ring 231 fixed on the second housing 212 are mounted on the backpack assembly 120; when the back plate 220 and the rubber ring 231 need to be removed from the housing 210, the second housing 212 needs to be removed from the first housing 211, the nut 281 is removed from the bolt 280, and finally the bolt 280 is pulled out from the first through hole 240 of the back plate 220, the rubber ring 231 and the second through hole 251 of the fixing shaft 250 on the second housing 212, so that the back plate 220 and the rubber ring 231 can be removed from the second housing 212.

In addition, referring to fig. 2 and fig. 3, in the present embodiment, mounting grooves 241 are disposed on two sides of the first through hole 240 on the back plate 220, the shapes of the mounting grooves 241 are matched with the shapes of the limiting edges at two ends of the rubber ring 231, and when the rubber ring 231 is clamped in the first through hole 240, the limiting edges at two ends of the rubber ring 231 are abutted against the bottom of the groove body of the mounting grooves 241 at two sides of the first through hole 240. The shape of the spacer 290 is matched with the shape of the mounting groove 241, and when the bolt 280 is inserted into the first through hole 240 of the back plate 220, the spacer 290 arranged between the first through hole 240 and the bolt 280 is positioned in the mounting groove 241 and abuts against the limit edge of the rubber ring 231 facing the bolt.

Referring to fig. 4 to 5, in another embodiment of the present invention, a plurality of first through holes 240 are disposed on the housing 210, the first through holes 240 are disposed on a first saddle 260 extending from one surface of the housing 210 facing the back plate 220 along a direction parallel to the surface of the back plate 220, meanwhile, a plurality of fixing shafts 250 are disposed on a second saddle 270 extending from the back plate 220 opposite to the first through holes 240, and the fixing shafts 250 are disposed on the second saddle 270 extending from the back plate 220 along the direction parallel to the surface of the back plate 220. In the shock absorbing structure 200 of the present embodiment, the plurality of first pallets 260 on the housing 210 may be aligned with the plurality of second pallets 270 on the back plate 220 one by one, so that the first through holes 240 on the first pallets 260 are coaxially aligned with the fixed shaft bodies 250 on the second pallets 270. Also, in the present embodiment, the damper spring 232 is a rubber ring damper spring 232. When the back plate 220 is mounted on the casing 210 through the damping structure 200, the bolt 280, the spacer 290, the first through hole 240, the damping spring 232 and the second through hole 251 of the fixing shaft 250 are coaxially disposed, wherein the damping spring 232 is mounted on the fixing shaft 250 in a penetrating manner, the end of the fixing shaft 250 is aligned with the first through hole 240 and extends into the first through hole 240, the bolt 280 sequentially passes through the spacer 290, the first through hole 240 on the casing 210, the damping spring 232 and the second through hole 251 of the fixing shaft 250 on the back plate 220 and is in threaded connection with the nut 281, the casing 210, the back plate 220 and the damping spring 232 are connected together by the nut 281, and the damping spring 232 is fixed and compressed between the casing 210 and the back plate 220.

Referring to fig. 1 to 6, the present invention further provides a backpack garden tool 100, wherein the backpack garden tool 100 includes a body component 110 and a backpack component 120, the body component 110 is assembled and fixed with the backpack component 120, and the body component 110 is disposed on one side of the backpack component 120. The housing 210 and the back plate 220 of the backpack assembly 120 may be disposed opposite to each other and connected by a connecting member, and the housing 210 is assembled with the body assembly 110 such that the body assembly 110 is fixed to one side of the housing 210. Taking a backpack blower as an example, a user can carry the backpack garden tool 100 on the body through the carrying assembly 120 and perform a blowing operation by controlling the direction of the blowing port on the body assembly 110 by holding the handle 130 when using the backpack blower. The shock-absorbing structure 200 disposed in the backpack assembly 120 can effectively reduce the vibration generated during the operation of the hair dryer, and prevent the vibration from being transmitted to the user.

The damping structure 200 includes a housing 210, a back plate 220 and a plurality of elastic members 230, wherein the housing 210 is disposed on the outer edge of the backpack assembly 120, and the back plate 220 is connected to a surface of the housing 210 facing to the back side through a connecting member. The casing 210 is further provided with a battery compartment 213, the battery compartment 213 is disposed on a side of the casing 210 away from the back plate 220, and a battery pack can be inserted into the battery compartment 213 to supply power to the backpack garden tool 100 on which the backpack assembly 120 is mounted. Also, the type of the above-mentioned coupling member may not be limited, and in the present invention, the coupling member may be a bolt 280 and a nut 281. A plurality of elastic members 230 are further disposed between the back plate 220 and the casing 210, the elastic members 230 are located at the position where the casing 210 is connected with the back plate 220, and the elastic members 230 are inserted into the bolts 280 and located between the casing 210 and the back plate 220 to serve as buffer members between the casing 210 and the back plate 220, and are firmly clamped by the casing 210 and the back plate 220 to absorb the vibration transmission between the casing 210 and the back plate 220. Specifically, the back plate 220 or the chassis 210 is provided with a plurality of first through holes 240, and the chassis 210 or the back plate 220 is provided with a plurality of fixing shafts 250 corresponding to the first through holes 240. The fixing shaft 250 is provided with a second through hole 251, and the shape of the fixing shaft 250 matches with the shaft hole of the elastic member 230. In the shock absorbing structure 200, the bolt 280, the first through hole 240, the elastic member 230 and the second through hole 251 of the fixed shaft 250 are coaxially disposed, and since the shape of the fixed shaft 250 matches the shape of the axial hole of the elastic member 230, and the shape of the outer edge of the elastic member 230 matches the shape of the first through hole 240, when the elastic member is installed between the housing 210 and the back plate 220, the elastic member 230 can be firstly mounted on the fixed shaft 250 and then extends into the first through hole 240 together with the fixed shaft 250, and at this time, the elastic member 230 is concentrically disposed between the first through hole 240 and the fixed shaft 250. Then, the bolt 280 may sequentially pass through the first through hole 240 of the back plate 220 or the casing 210, the elastic element 230, and the second through hole 251 of the fixed shaft 250 of the casing 210 or the back plate 220 and be in threaded connection with the nut 281, and the nut 281 is used to connect the first through hole 240 with the fixed shaft 250 and fix the elastic element 230 between the first through hole 240 and the fixed shaft 250.

The damping structure of the bearing component can arrange the elastic part between the shell and the back plate of the bearing component, and the elastic part is clamped between the shell and the back plate through the connection of the connecting part, so that the elastic part is used as a buffer part between the shell and the back plate in the bearing component. The elastic component effectively absorbs vibration through elastic deformation at the junction of the casing and the back plate, can play the effect of weakening and even cutting off vibration transmission to the back plate generated in the casing during the operation of the backpack garden tool, and effectively improves the comfort of a user during the operation of the backpack garden tool.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A shock-absorbing structure of a backpack assembly, comprising:

the battery pack comprises a shell, a battery box and a battery pack, wherein one side of the shell is provided with the battery box;

the back plate is connected with the other side of the shell through a connecting piece;

and a plurality of elastic pieces are arranged between the back plate and the shell, the elastic pieces are positioned at the connecting position of the shell and the back plate, and the elastic pieces are arranged on the connecting piece in a penetrating way and positioned between the shell and the back plate.

2. The damping structure for a backpack assembly according to claim 1, wherein a plurality of first through holes are formed in one of the back plate or the housing, a plurality of fixing shaft bodies are formed in the other of the back plate or the housing corresponding to the first through holes, a second through hole is formed in the fixing shaft body, the fixing shaft body has a shape matching with a shaft hole of the elastic member, the elastic member is mounted on the fixing shaft body in a penetrating manner, and an end portion of the fixing shaft body is disposed in the first through hole.

3. The vibration attenuating structure of a backpack assembly as set forth in claim 2, wherein the connecting member is connected to the housing through the first through hole, the elastic member and the second through hole in sequence.

4. The shock absorbing structure of a backpack assembly as set forth in claim 3 wherein said first through hole has a shape matching a shape of said elastic member outer rim.

5. The vibration attenuating structure of a backpack assembly as set forth in claim 3 wherein a spacer is disposed between the first through hole and the connecting member.

6. The vibration damping structure of a backpack assembly as set forth in claim 4 wherein said first through hole is provided on said back plate and said fixed shaft is provided on said housing.

7. The vibration damping structure of a backpack assembly as set forth in claim 6 wherein said housing includes a first housing and a second housing, said first housing being fixed to said backpack assembly, said second housing being detachably mounted to said first housing, said fixed shaft being provided on said second housing.

8. The vibration damping structure of a backpack assembly as set forth in claim 3 wherein said first through hole is provided on said housing and said fixed shaft is provided on said back plate.

9. The vibration attenuating structure of a backpack assembly as defined in claim 8, wherein the first through hole extends in a direction parallel to the back plate and is provided on a first mount protruding on the housing, and the fixing shaft body extends in a direction parallel to the back plate and is provided on a second mount protruding on the back plate.

10. The shock absorbing structure of the backpack assembly as set forth in claim 3, wherein the elastic member is a rubber ring or a shock absorbing spring.

11. The shock-absorbing structure of a backpack assembly as set forth in claim 10, wherein the rubber ring has limiting edges extending outward at the outer edges of both sides thereof, the rubber ring is clamped in the first through hole, and the limiting edges of both sides of the rubber ring are abutted against the outer walls of both sides of the first through hole.

12. The shock-absorbing structure of a backpack assembly as set forth in claim 11, wherein mounting grooves are provided on both sides of the first through hole, and the shape of the mounting grooves matches with the shape of the limiting edge.

13. A backpack garden tool is characterized by comprising a machine body component and a backpack component, wherein the machine body component is connected with one side of the backpack component;

wherein, be provided with shock-absorbing structure in bearing the subassembly, shock-absorbing structure includes: