An integrated protective air spring shock absorber with adjustable stiffness

Abstract

The present invention discloses an integrated protective air spring shock absorber with adjustable stiffness, comprising a protective shell, the bottom of the inner cavity of the protective shell is fixedly connected to a box body, the inner cavity of the box body is movably connected to a movable rod, both sides of the top of the movable rod are fixedly connected to fixed blocks, and the top of the fixed block penetrates to the outside of the box body and is fixedly connected to a support column. The present invention achieves a uniform shock absorption effect by setting a support column, an air duct, an air vent, an air bag, a first movable plate, a telescopic rod, a limit spring and a second movable plate, and is used in conjunction with a shell, a bearing plate and a third spring, thereby improving the comfort of the car when driving, reducing the wear of the device, and greatly improving the service life of the device. By setting the second slide groove, the first movable plate is limited, the stability of the first movable plate is increased, and the smoothness of the device during operation is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of vehicle shock absorbers, in particular to an integrated protective air spring shock absorber with adjustable stiffness. Background Art

[0002] The definition of a car is a non-track-borne vehicle that is powered by power and has four or more wheels, and is mainly used to carry people and goods, and to tow vehicles carrying people and goods. In pursuit of driving and riding comfort, air spring shock absorbers are widely used in the field of vehicle control technology. The existing air shock absorber springs have poor shock absorption effect and cannot achieve uniform shock absorption, which increases the wear of the device during operation and greatly reduces the service life of the device. Summary of the invention

[0003] The purpose of the present invention is to provide an integrated protective air spring shock absorber with adjustable stiffness, which has the advantage of uniform shock absorption and solves the problem that the existing air shock absorber spring has poor shock absorption effect, cannot achieve uniform shock absorption effect, increases wear during operation of the device, and greatly reduces the service life of the device.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical scheme: an integrated protective air spring shock absorber with adjustable stiffness, comprising a protective shell, the bottom of the inner cavity of the protective shell is fixedly connected to a box body, the inner cavity of the box body is movably connected to a movable rod, both sides of the top of the movable rod are fixedly connected to fixed blocks, the top of the fixed block passes through the outside of the box body and is fixedly connected to a support column, the bottom of the inner cavity of the support column is fixedly connected to an air guide tube, the top of the air guide tube is provided with an air vent, the top of the air vent is connected to an air bag, the top of the air bag is fixedly connected to a first movable plate, the top of the first movable plate is fixedly connected to a telescopic rod, the surface of the telescopic rod A surface-wound connection limit spring, the top of the limit spring is fixedly connected to a second movable plate, the top of the second movable plate is fixedly connected to a first fixing rod, the top of the first fixing rod passes through the outside of the support column and is fixedly connected to a load-bearing plate, the bottom of the load-bearing plate is provided with a groove, the top of the load-bearing plate is fixedly connected to a connecting block, the bottom of the inner side of the support column is fixedly connected to an air pipe, one side of the air pipe is connected to a shell, the inner cavity of the shell is movably connected to a bearing plate, the top of the bearing plate is fixedly connected to a third spring, the top of the third spring is fixedly connected to the second fixing rod, and the top of the second fixing rod passes through the outside of the shell.

[0005] Preferably, the bottom of the movable rod is fixedly connected to a first spring, and the bottom of the first spring is fixedly connected to the bottom of the inner cavity of the box.

[0006] Preferably, both sides of the protective shell are fixedly connected to limit blocks, and the inner cavity of the limit blocks is threadedly connected with bolts.

[0007] Preferably, a second spring is fixedly connected to the outer side of the support column, and one side of the second spring is fixedly connected to one side of the inner cavity of the protective shell.

[0008] Preferably, second sliding grooves are provided on both sides of the inner cavity of the support column, and both sides of the first movable plate are slidably connected to the inner cavity of the second sliding grooves.

[0009] Preferably, the surface of the protective shell is movably connected to a movable door via a hinge, and a handle is fixedly connected to the bottom of the surface of the movable door.

[0010] Preferably, both sides of the second movable plate are movably connected with pulleys, and the surface of the pulley is slidably connected to one side of the inner cavity of the support column.

[0011] Preferably, first sliding grooves are provided on both sides of the shell, and both sides of the carrying plate are slidably connected to the inner cavity of the first sliding grooves.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. The present invention achieves uniform shock absorption effect by arranging a support column, an air duct, an air vent, an airbag, a first movable plate, a telescopic rod, a limit spring and a second movable plate in cooperation with a shell, a load-bearing plate and a third spring, thereby improving the comfort level of the car when driving, reducing the wear of the device and greatly improving the service life of the device. By arranging the second slide groove, the first movable plate is limited, the stability of the first movable plate is increased, and the smoothness of the device when running is greatly improved. At the same time, the problem that the existing air shock-absorbing spring has poor shock absorption effect, cannot achieve uniform shock absorption effect, increases the wear of the device when running, and greatly reduces the service life of the device is solved.

[0014] 2. The present invention facilitates users to disassemble and assemble the device and to operate the device by setting the limit blocks and bolts, thus greatly shortening the time for disassembly and assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the present invention;

[0016] Figure 2 This is a cross-sectional view of the internal structure of the protective shell of the present invention;

[0017] Figure 3 This is a cross-sectional view of the internal structure of the support column of the present invention.

[0018] In the figure: 1. protective shell; 2. box body; 3. movable rod; 4. fixed block; 5. support column; 6. air duct; 7. vent; 8. air bag; 9. first movable plate; 10. telescopic rod; 11. limit spring; 12. second movable plate; 13. first fixed rod; 14. load-bearing plate; 15. connecting block; 16. groove; 17. air pipe; 18. shell; 19. bearing plate; 20. third spring; 21. second fixed rod; 22. second slide groove. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] In the description of this application document, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this patent. In the description of this application document, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or connected or set in one piece. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0021] See also Figure 1-3, an integrated protective air spring shock absorber with adjustable stiffness, comprising a protective shell 1, a movable door movably connected to the surface of the protective shell 1 through a hinge, and a handle is fixedly connected to the bottom of the surface of the movable door, both sides of the protective shell 1 are fixedly connected to limit blocks, and the inner cavity of the limit blocks is threadedly connected to bolts, through the setting of the limit blocks and the bolts, it is convenient for users to disassemble and assemble the device, and it is convenient for users to operate, which greatly shortens the time used for disassembly and assembly, the bottom of the inner cavity of the protective shell 1 is fixedly connected to a box body 2, the inner cavity of the box body 2 is movably connected to a movable rod 3, the bottom of the movable rod 3 is fixedly connected to a first spring, and the bottom of the first spring is fixedly connected to the bottom of the inner cavity of the box body 2, both sides of the top of the movable rod 3 are fixedly connected to fixed blocks 4, and the top of the fixed block 4 penetrates to the box The outside of the body 2 is fixedly connected with a support column 5, and both sides of the inner cavity of the support column 5 are provided with a second slide groove 22. Both sides of the first movable plate 9 are slidably connected to the inner cavity of the second slide groove 22. The outer side of the support column 5 is fixedly connected with a second spring, and one side of the second spring is fixedly connected to one side of the inner cavity of the protective shell 1. The bottom of the inner cavity of the support column 5 is fixedly connected with an air guide tube 6, and the top of the air guide tube 6 is provided with an air vent 7. The top of the air vent 7 is connected to an air bag 8, and the top of the air bag 8 is fixedly connected with a first movable plate 9. The top of the first movable plate 9 is fixedly connected with a telescopic rod 10. The surface of the telescopic rod 10 is wound with a limit spring 11. The top of the limit spring 11 is fixedly connected with a second movable plate 12. Both sides of the second movable plate 12 are movably connected with pulleys, and The surface of the pulley is slidably connected to one side of the inner cavity of the support column 5, the top of the second movable plate 12 is fixedly connected to the first fixing rod 13, the top of the first fixing rod 13 penetrates to the outside of the support column 5 and is fixedly connected to the load-bearing plate 14, the bottom of the load-bearing plate 14 is provided with a groove 16, the top of the load-bearing plate 14 is fixedly connected to a connecting block 15, the bottom of the inner side of the support column 5 is fixedly connected to an air pipe 17, one side of the air pipe 17 is connected to a shell 18, both sides of the shell 18 are provided with a first slide groove, both sides of the bearing plate 19 are slidably connected to the inner cavity of the first slide groove, the inner cavity of the shell 18 is movably connected to the bearing plate 19, the top of the bearing plate 19 is fixedly connected to the third spring 20, the top of the third spring 20 is fixedly connected to the second fixing rod 21, the second fixing rod The top of 21 penetrates to the outside of the shell 18, and is used in conjunction with the shell 18, the bearing plate 19 and the third spring 20 through the setting of the support column 5, the air guide tube 6, the vent 7, the airbag 8, the first movable plate 9, the telescopic rod 10, the limit spring 11 and the second movable plate 12, to achieve the effect of uniform shock absorption, improve the comfort of the car during driving, reduce the wear of the device, and greatly improve the service life of the device. Through the setting of the second slide groove 22, the first movable plate 9 is limited, the stability of the first movable plate 9 is increased, and the smoothness of the device during operation is greatly improved. At the same time, the problem of poor shock absorption effect of the existing air shock-absorbing spring is solved, and the uniform shock absorption effect cannot be achieved, which increases the wear of the device during operation and greatly reduces the service life of the device.

[0022] All components in the present invention are universal standard parts or components known to technical personnel in this field, and their structures and principles can be known to technical personnel in this field through technical manuals or through conventional experimental methods. At the same time, standard parts used in this application document can be purchased from the market. Each component in this application document can be customized according to the description in the specification and drawings. The specific connection method of each part adopts conventional means such as mature bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be realized by simple programming by technical personnel in this field, which belongs to the common knowledge in this field. In addition, this application document is mainly used to protect mechanical devices, so this application document no longer explains the control method and circuit connection in detail, and no specific description is made here.

[0023] When in use, the user first installs the device in a suitable position, and then during driving, the load-bearing plate 14 is driven downward by the connecting block 15, and the first fixed rod 13 is driven downward by the load-bearing plate 14, and the second movable plate 12 is driven downward by the first fixed rod 13 with the cooperation of the pulley, and the telescopic rod 10 is driven downward by the second movable plate 12, and the limit spring 11 is squeezed by the telescopic rod 10 to drive the first movable plate 9 to move downward, and then the airbag 8 is squeezed by the first movable plate 9, so that the gas in the inner cavity of the airbag 8 is transported to the inner cavity of the air guide tube 6 through the vent 7, and the gas is transported to the inner cavity of the air supply pipe 17 through the air guide tube 6, and the gas is transported to the inner cavity of the shell 18 through the air supply pipe 17, and the bearing plate 19 is driven upward by the gas, and the third spring 20 is driven upward by the bearing plate 19, and finally the second fixed rod 21 is driven upward by the third spring 20, and the movement of the inner cavity of the groove 16 is stopped, so that it can achieve the effect of uniform shock absorption.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An integrated protective air spring shock absorber with adjustable stiffness, comprising a protective shell (1), characterized in that: The bottom of the inner cavity of the protective shell (1) is fixedly connected to a box body (2), the inner cavity of the box body (2) is movably connected to a movable rod (3), both sides of the top of the movable rod (3) are fixedly connected to fixed blocks (4), the top of the fixed block (4) penetrates through the outside of the box body (2) and is fixedly connected to a support column (5), the bottom of the inner cavity of the support column (5) is fixedly connected to an air guide tube (6), a vent (7) is provided at the top of the vent (7), the top of the vent (7) is connected to an air bag (8), and the top of the air bag (8) is fixedly connected to a first movable plate (9), the top of the first movable plate (9) is fixedly connected to a telescopic rod (10), the surface of the telescopic rod (10) is wound and connected to a limit spring (11), the top of the telescopic rod (10) is fixedly connected to a second movable plate (12), the top of the second movable plate (12) is fixedly connected to a first fixed rod (13), the top of the first fixed rod (13) penetrates through the outside of the support column (5) and is fixedly connected to a load-bearing plate (14), the bottom of the load-bearing plate (14) is provided with a groove (16), the top of the load-bearing plate (14) is fixedly connected to a connection The support column (5) is provided with a support column (15), the bottom of the side of the outer wall of the support column (5) away from the inner cavity side wall of the protective shell (1) is fixedly connected to an air supply pipe (17), one side of the air supply pipe (17) is connected to a shell (18), the inner cavity of the shell (18) is movably connected to a bearing plate (19), the top of the bearing plate (19) is fixedly connected to a third spring (20), the top of the third spring (20) is fixedly connected to a second fixing rod (21), the top of the second fixing rod (21) passes through the outside of the shell (18), and the bottom of the movable rod (3) is fixedly connected to the first A spring is provided, and the bottom of the first spring is fixedly connected to the bottom of the inner cavity of the box body (2); a second spring is fixedly connected to a side of the outer wall of the support column (5) close to the inner cavity side wall of the protective shell (1), and one side of the second spring is fixedly connected to a side of the inner cavity of the protective shell (1); second slide grooves (22) are provided on both sides of the inner cavity of the support column (5); both sides of the first movable plate (9) are slidably connected to the inner cavity of the second slide groove (22); both sides of the shell (18) are provided with first slide grooves, and both sides of the bearing plate (19) are slidably connected to the inner cavity of the first slide groove.

2. The integrated protective air spring shock absorber with adjustable stiffness according to claim 1, characterized in that: Limit blocks are fixedly connected to both sides of the outer surface of the protective shell (1), and bolts are threadedly connected to the inner cavities of the limit blocks.

3. The integrated protective air spring shock absorber with adjustable stiffness according to claim 1, characterized in that: The surface of the protective shell (1) is movably connected to a movable door via a hinge, and a handle is fixedly connected to the bottom of the surface of the movable door.

4. The integrated protective air spring shock absorber with adjustable stiffness according to claim 1, characterized in that: Both sides of the second movable plate (12) are movably connected to pulleys, and the surfaces of the pulleys are slidably connected to the inner cavity of the support column (5).

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