Assist Backpack device
Technical field
The utility model is related to a kind of auxiliary Backpack devices.
Background technology
Currently, existing large size garden instrument and some most heavier-weights of Large Electric tool, user hold this
When a little tools are worked, the burden of arm is very heavy, and it is very arduous to operate, and also influences working efficiency.
Invention content
Technical problem to be solved in the utility model is to overcome the deficiencies of existing technologies, provide it is a kind of auxiliary bear dress
It sets, the weight of heavy object can be distributed to back, shoulder and waist and belly by it by the arm of user, and then it is negative to reduce arm
Load, alleviates the arduous degree of user, also improves working efficiency.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is:A kind of auxiliary Backpack device, it includes:
Backboard, the profile on the inside of the backboard fit with human body back, are respectively arranged at left and right sides of the backboard
Mounting hole is connected with buckle-type bandage between two mounting holes;
Supporting rod, the supporting rod are connected on backboard;
Sunpender, the sunpender are connected on supporting rod;
Balancing device for lifting heavy object, the balancing device are mounted on sunpender.
Sunpender can be packed up further for when assisting Backpack device idle, and then reduces space, the sunpender
It is connected with support plate by connecting plate, the connecting plate is connected on supporting rod, and the sunpender is hinged on connecting plate, described
It is additionally provided between sunpender and connecting plate after sunpender turns to working position for locking sunpender to prevent sunpender with respect to supporting rod
The position-limit mechanism of rotation.
A kind of concrete structure of position-limit mechanism is further provided, the position-limit mechanism includes the limit being arranged on connecting plate
Position boss and the limit hole being arranged on sunpender, after the sunpender turns to working position, the positive stop lug boss is embedded in limit hole
It is interior.
Further for when assisting Backpack device work, the opposite activity space of sunpender and connecting plate is reduced, and then keep away
Exempt from positive stop lug boss be detached from limit hole, the sunpender by bolted splice on connecting plate, described to be bolted on connecting plate, institute
It states sunpender upper edge its axial direction and is provided with sliding slot, the end of the bolt has been connected through a screw thread locking nut after passing through sliding slot, with
Just after sunpender turns to working position, precession locking nut is to reduce the activity space of sunpender.
Further for the height-adjustable of supporting rod is made, to make auxiliary Backpack device be suitable for different uses
Person, the supporting rod are spiral expanding supporting rod, and the spiral expanding supporting rod includes outer support bar and inner bracing piece, described outer
Supporting rod is connected on backboard, and the sunpender is connected on inner bracing piece, and the outer support bar and inner bracing piece are connected by screw thread
It connects, the height of supporting rod is adjusted will pass through the spinning in and out of inner bracing piece.
Further for the adjustable in length for making sunpender, to make auxiliary Backpack device be suitable for different users,
The sunpender is spiral expanding sunpender, and the spiral expanding sunpender includes outer sunpender and interior sunpender, and the outer sunpender is connected to branch
On strut, the balancing device is mounted on interior sunpender, and the outer sunpender and interior sunpender are connected through a screw thread, will pass through interior hang
The spinning in and out of bar adjust the length of sunpender.
Further provide a kind of concrete structure of balancing device, the balancing device includes Spring balancer and for connecting
The lifting rope of heavy object is connect, the Spring balancer is mounted on sunpender, and the lifting rope is connected to the free end of Spring balancer, and
Spring balancer is stretched out in the free end of the lifting rope.
Further for the usage comfort for increasing user, back cushion is connected on the inside of the backboard.
Further for the sense of tying tight of decrease user when in use, the position close to human abdomen of the buckle-type bandage
It sets and is connected with protection pad.
Further for making auxiliary Backpack device be suitable for different users, the buckle-type bandage is scalable knot
Structure.
After using above-mentioned technical proposal, the utility model has the advantages that:
1, the balancing device of the utility model slings heavy object, and will by sunpender, supporting rod, backboard and buckle-type bandage
Originally the heavy burden for belonging to user's arm entirely is distributed to back, shoulder and waist and belly, and is balanced by balancing device flexible modulation
The size of power also improves working efficiency to alleviate the labor intensity of user;
2, the utility model is when coming into operation, and after sunpender is rotated to working position, positive stop lug boss is embedded in limit hole, and
Locking nut is screwed to reduce the opposite activity space of sunpender and connecting plate, and then positive stop lug boss is avoided to be detached from limit hole so that
Sunpender is bonded, safety when to ensure that user uses the utility model;
3, when the utility model is in idle state, locking nut can be unscrewed to increase the activity relatively of sunpender and connecting plate
Space, so that positive stop lug boss is detached from limit hole, sunpender is rotated around bolt to be turned up, and then the occupation of land for reducing the utility model is empty
Between, make it easy to store;
4, the supporting rod of the utility model and/or sunpender and/or buckle-type bandage are scalable, so that the utility model
Suitable for different users;
5, the utility model is provided with back cushion and/or protection pad, increases the usage comfort of user.
Description of the drawings
Fig. 1 is the structural schematic diagram of the auxiliary Backpack device of the utility model;
Fig. 2 is the A-A sectional views of Fig. 1;
Fig. 3 is the in running order structural schematic diagram of the auxiliary Backpack device of the utility model.
Specific implementation mode
In order to make the content of the utility model be easier to be clearly understood, below according to specific embodiment and combine attached
Figure, is described in further detail the utility model.
As shown in Figures 1 to 3, a kind of auxiliary Backpack device, it includes:
The profile of backboard 1,1 inside of the backboard fits with human body back, and the left and right sides of the backboard 1 is respectively set
There is mounting hole 2, buckle-type bandage is connected between two mounting holes 2;
Supporting rod 3, the supporting rod 3 are connected on backboard 1;
Sunpender 4, the sunpender 4 are connected on supporting rod 3;
Balancing device for lifting heavy object, the balancing device are mounted on sunpender 4.
As shown in Figure 2,3, in order to pack up sunpender 4 when assisting Backpack device idle, and then space, institute are reduced
It states sunpender 4 by connecting plate 5 to be connected with support plate 3, the connecting plate 5 is connected on supporting rod 3, and the sunpender 4 is hinged on
On connecting plate 5, be additionally provided between the sunpender 4 and connecting plate 5 after sunpender 4 turns to working position for lock sunpender 4 with
The position-limit mechanism for preventing sunpender 4 from being rotated relative to supporting rod 3.
As shown in Fig. 2, the position-limit mechanism includes the positive stop lug boss 51 being arranged on connecting plate 5 and is arranged on sunpender 4
Limit hole 41, after the sunpender 4 turns to working position, the positive stop lug boss 51 be embedded in limit hole 41 in.
As shown in Figure 1, 2, empty in order to when assisting Backpack device work, reduce sunpender 4 and the activity relatively of connecting plate 5
Between, and then positive stop lug boss 51 is avoided to be detached from limit hole 41, the sunpender 4 is hinged on by bolt 61 on connecting plate 5, the bolt
61 are connected on connecting plate 5, its axial direction of 4 upper edge of the sunpender is provided with sliding slot 42, and the end of the bolt 61 passes through sliding slot 42
After be connected through a screw thread locking nut 62, so that after sunpender 4 turns to working position, precession locking nut 62 is to reduce sunpender
4 activity space.
As shown in Figures 1 to 3, in order to enable supporting rod 3 it is height-adjustable, to make auxiliary Backpack device be suitable for difference
User, the supporting rod 3 be spiral expanding supporting rod, the spiral expanding supporting rod includes outer support bar 31 and inner support
Bar 32, the outer support bar 31 are connected on backboard 1, and the sunpender 4 is connected on inner bracing piece 32,31 He of outer support bar
Inner bracing piece 32 is connected through a screw thread, and the height of supporting rod 3 is adjusted will pass through the spinning in and out of inner bracing piece 32.
As shown in Figure 2,3, in order to enable the adjustable in length of sunpender 4, different to make auxiliary Backpack device be suitable for
User, the sunpender 4 are spiral expanding sunpender, and the spiral expanding sunpender includes outer sunpender 43 and interior sunpender 44, described outer
Sunpender 43 is connected on supporting rod 3, and the balancing device is mounted on interior sunpender 44, and the outer sunpender 43 and interior sunpender 44 pass through
It is threadedly coupled, the length of sunpender 4 is adjusted will pass through the spinning in and out of interior sunpender 44.
As shown in Figure 2,3, the balancing device includes Spring balancer 7 and the lifting rope 8 for connecting heavy object, the bullet
Spring balancer 7 is mounted on sunpender 4, and the lifting rope 8 is connected to the free end of Spring balancer 7, and the free end of the lifting rope 8
Stretch out Spring balancer 7.
In order to increase the usage comfort of user, the inside of the backboard 1 is connected with back cushion.
In order to weaken the sense of tying tight of user when in use, the position close to human body navel of the buckle-type bandage connects
There is protection pad.
In order to enable auxiliary Backpack device is suitable for different users, the buckle-type bandage is retractable structure.
The operation principle of the utility model is as follows:
The balancing device of the utility model slings heavy object, and passes through sunpender 4, supporting rod 3, backboard 1 and buckle-type bandage
Originally the heavy burden for belonging to user's arm entirely is distributed to back, shoulder and waist and belly, and flat by balancing device flexible modulation
The size of weighing apparatus power also improves working efficiency to alleviate the labor intensity of user;The utility model is coming into operation
When, after sunpender 4 is rotated to working position, positive stop lug boss 51 is embedded in limit hole 41, and screws locking nut 62 to reduce sunpender 4
The opposite activity space with connecting plate 5, and then positive stop lug boss 51 is avoided to be detached from limit hole 41 so that sunpender 4 is bonded, to
It ensure that safety when user uses the utility model;When the utility model is in idle state, locking nut can be unscrewed
62 to increase the opposite activity space of sunpender 4 and connecting plate 5, so that positive stop lug boss 51 is detached from limit hole 41, sunpender 4 is around spiral shell
The rotation of bolt 61 is turned up, and then reduces the space of the utility model, makes it easy to store;The supporting rod 3 of the utility model and/
Or sunpender 4 and/or buckle-type bandage it is scalable so that the utility model be suitable for different users;The utility model
It is provided with back cushion and/or protection pad, increases the usage comfort of user.
Particular embodiments described above, the technical issues of the utility model is solved, technical solution and advantageous effect into
It has gone further description, it should be understood that the foregoing is merely specific embodiment of the utility model, and has not had to
In limitation the utility model, within the spirit and principle of the utility model, any modification, equivalent substitution and improvements done
Deng should be included within the scope of protection of this utility model.