CN220286290U

CN220286290U - Steering damper

Info

Publication number: CN220286290U
Application number: CN202321850949.1U
Authority: CN
Inventors: 胡芮
Original assignee: Chongqing Jujiulei Automobile Component Manufacture Co ltd
Current assignee: Chongqing Jujiulei Automobile Component Manufacture Co ltd
Priority date: 2023-07-14
Filing date: 2023-07-14
Publication date: 2024-01-02
Anticipated expiration: 2033-07-14

Abstract

The utility model relates to the technical field of shock absorbers and discloses a steering shock absorber which comprises a damping cylinder, wherein one end of the damping cylinder is fixedly connected with a first connector, a damping cavity is formed in the damping cylinder, a damping piston is sleeved in the damping cavity, a connecting component is welded on one side of the damping piston, the other end of the connecting component extends to the outer part of the damping cylinder and is fixedly connected with a second connector, a buffer spring is arranged on the outer part of the damping cylinder, and a left sealing piston and a right sealing piston which are positioned on the outer side of the damping cylinder and the inner side of the buffer spring are sleeved in a sealing mode in the connecting component. According to the utility model, the hydraulic oil in the damping cavity can enter the sealing cavity through the oil inlet, so that the effect of controlling the positions of the two sealing pistons can be achieved, the effect of conveniently stretching or compressing the buffer spring can be achieved, the effect of adjusting the initial deformation force of the buffer spring is further achieved, and the initial buffer strength of the buffer spring can be changed.

Description

Steering damper

Technical Field

The utility model relates to the technical field of shock absorbers, in particular to a steering shock absorber.

Background

The steering damper is a transverse damping mechanism arranged in an automobile steering system and used for slowing down the self-excitation or forced swinging intensity of wheels so as to improve the stability of the wheels, but the steering damper used in the prior art is generally inconvenient to adjust the damping intensity, so that few people can adjust the steering damper, road conditions and loads used by an automobile are often different in actual use, the swinging intensity of the wheels can be influenced, if the steering damper always keeps fixed damping intensity, the damping intensity is too large or too small, steering is more laborious when the steering damper is used for running on a flat road, and if the damping intensity is too small, the stability of the tires is crossed, so that the steering damper needs to be improved.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a steering damper.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a turn to bumper shock absorber, includes the damping section of thick bamboo, the one end fixedly connected with first connector of damping section of thick bamboo, damping chamber has been seted up to the inside of damping section of thick bamboo, damping piston has been cup jointed to the inside in damping chamber, one side welding of damping piston has coupling assembling, coupling assembling's the other end extends to the outside of damping section of thick bamboo and fixedly connected with second connector, damping section of thick bamboo's outside is provided with buffer spring, coupling assembling's inside seal cup joints two sealing pistons about being located damping section of thick bamboo outside and buffer spring inboard, two the equal fixedly connected with in looks back of sealing piston two sets of connecting rods, two sets of the equal fixedly connected with slider of the other end of connecting rod, two the outside that the slider extends to coupling assembling's outside and fixedly connected with cup joints in first baffle and the second baffle outside the coupling assembling, the opposite sides of first baffle and second baffle respectively with buffer spring's both ends fixed connection, the opposite sides of first baffle and second baffle respectively with damping section of thick bamboo and second connector contact.

As a preferable technical scheme of the utility model, the connecting component comprises a damping rod which is sleeved in the damping cylinder in a sealing way, two ends of the damping rod are fixedly connected with the damping piston or the second connector respectively, and a valve mounting hole positioned at the outer side of the connecting component is formed in the damping piston.

As a preferable technical scheme of the utility model, a sealing cavity between two sliding blocks is formed in the damping rod, two limiting grooves are formed in the damping rod and are positioned on two sides of the sealing cavity, the cross sections of the sealing cavity and the limiting grooves are of annular structures, a sliding groove is formed in the outer surface of the damping rod and positioned on the outer side of each limiting groove, a through hole is formed in the damping rod and positioned between the sealing cavity and the limiting grooves, and the sliding groove is communicated with the sealing cavity through the limiting grooves and the through holes.

As a preferable technical scheme of the utility model, the middle part of the damping rod is provided with an oil inlet hole positioned at the inner sides of the sealing cavity and the limiting groove, the middle part of the inner wall of the sealing cavity is fixedly sleeved with a positioning plate, one end of the oil inlet hole is communicated with the inner part of the damping cavity, and the other end of the oil inlet hole extends to the inner side of the positioning plate and is communicated with the sealing cavity through the positioning plate.

As a preferable technical scheme of the utility model, the two sealing pistons are hermetically sleeved in the sealing cavity, the opposite surfaces of the two sealing pistons are respectively contacted with the left side and the right side of the positioning plate, the connecting rod is arranged in the through hole in a penetrating way, and the two sliding blocks are glidingly sleeved in the limiting groove and the sliding groove.

As a preferable technical scheme of the utility model, the first baffle and the second baffle are internally provided with a screw rod in a penetrating way, one ends of the two screw rods are respectively fixedly connected with the damping cylinder or the second connector, and the external threads of the screw rods are sheathed with positioning nuts positioned on two sides of the first baffle and the second baffle.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the hydraulic oil in the damping cavity can enter the sealing cavity through the oil inlet, so that the effect of controlling the positions of the two sealing pistons can be achieved, the effect of conveniently stretching or compressing the buffer spring can be achieved, the effect of adjusting the initial deformation force of the buffer spring is further achieved, and the initial buffer strength of the buffer spring can be changed.

2. According to the utility model, the two ends of the buffer spring are always rigidly connected with the damping cylinder or the second connector through the screw rod when the automobile runs, so that the buffer effect is ensured to be continuously provided, the rotation adjustment of the screw cap on the screw rod is extremely convenient and labor-saving, and the convenience of buffer strength adjustment is greatly improved under the cooperation of the structures such as the connecting assembly and the sealing piston.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

fig. 3 is a schematic cross-sectional view of the connection assembly of fig. 2.

In the figure: 1. a damping cylinder; 2. a damping chamber; 3. a damping piston; 4. a connection assembly; 41. a damping rod; 42. sealing the cavity; 43. a limit groove; 44. a chute; 45. a through hole; 46. an oil inlet hole; 47. a positioning plate; 5. a buffer spring; 6. a sealing piston; 7. a connecting rod; 8. an oil cylinder; 9. a first connector; 10. a second connector; 11. a valve mounting hole; 12. a slide block; 13. a first baffle; 14. and a second baffle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 3, the utility model provides a steering damper, which comprises a damping cylinder 1, wherein one end of the damping cylinder 1 is fixedly connected with a first connecting head 9, a damping cavity 2 is formed in the damping cylinder 1, a damping piston 3 is sleeved in the damping cavity 2, one side of the damping piston 3 is welded with a connecting component 4, the other end of the connecting component 4 extends to the outside of the damping cylinder 1 and is fixedly connected with a second connecting head 10, a buffer spring 5 is arranged outside the damping cylinder 1, a left sealing piston 6 and a right sealing piston 6 which are positioned at the outside of the damping cylinder 1 and at the inner side of the buffer spring 5 are hermetically sleeved in the connecting component 4, two groups of connecting rods 7 are fixedly connected to the opposite sides of the two sealing pistons 6, one sliding block 12 is fixedly connected to the other ends of the two groups of connecting rods 7, the outside of the two sliding blocks 12 extend to the outside of the connecting component 4 and are fixedly connected with a first baffle 13 and a second baffle 14 sleeved on the outside of the connecting component 4, the opposite sides of the first baffle 13 and the second baffle 14 are fixedly connected with two ends of the buffer spring 5 respectively, and the opposite sides of the first baffle 13 and the second baffle 14 are respectively contacted with the second damping cylinder 1 and the second baffle 10 respectively; can make the inside hydraulic oil of damping chamber 2 can enter into the inside of sealed chamber 42 through coupling assembling 4, and then can reach the effect of controlling two sealed piston 6 positions, can reach the effect of conveniently stretching or compressing buffer spring 5, and then realize adjusting buffer spring 5 initial deformation effect to can change buffer spring 5's initial buffer strength.

The connecting assembly 4 comprises a damping rod 41 which is sleeved in the damping cylinder 1 in a sealing manner, two ends of the damping rod 41 are fixedly connected with the damping piston 3 or the second connector 10 respectively, and a valve mounting hole 11 positioned at the outer side of the connecting assembly 4 is formed in the damping piston 3.

The damping rod 41 is internally provided with a sealing cavity 42 positioned between the two sliding blocks 12, the damping rod 41 is internally provided with two limiting grooves 43 positioned at two sides of the sealing cavity 42, the cross sections of the sealing cavity 42 and the limiting grooves 43 are of annular structures, the outer surface of the damping rod 41 is provided with a sliding groove 44 positioned at the outer side of each limiting groove 43, the damping rod 41 is internally provided with a through hole 45 positioned between the sealing cavity 42 and the limiting grooves 43, and the sliding groove 44 is communicated with the sealing cavity 42 through the limiting grooves 43 and the through holes 45; due to the arrangement of the sealing cavity 42, the movement of the two sealing pistons 6 can be limited under the cooperation of the positioning plate 47, the positions of the first baffle 13 and the second baffle 14 can be regulated through the connecting rod 7, and meanwhile, the two sealing pistons 6 can be ensured to be always positioned on two sides of the positioning plate 47, namely, the hydraulic oil in the oil inlet hole 46 can be ensured to enter between the two sealing pistons 6.

Wherein, the middle part of damping pole 41 has offered the oil feed hole 46 that is located sealed chamber 42 and spacing groove 43 inboard, and the fixed locating plate 47 that has cup jointed in middle part of sealed chamber 42 inner wall, and the one end of oil feed hole 46 is linked together with damping chamber 2 inside, and the other end of oil feed hole 46 extends to the locating plate 47 inboard and is linked together with sealed chamber 42 through locating plate 47.

Wherein, two seal pistons 6 all seal and cup joint in the inside of seal chamber 42, and the face in opposite directions of two seal pistons 6 contacts with the left and right sides of locating plate 47 respectively, and connecting rod 7 wears to locate the inside of through-hole 45, and two sliders 12 slip cup joint in the inside of spacing groove 43 and spout 44.

Wherein, a screw rod is penetrated in the first baffle 13 and the second baffle 14, one end of the two screw rods is fixedly connected with the damping cylinder 1 or the second connector 10 respectively, and the external screw threads of the screw rods are sheathed with positioning nuts positioned at two sides of the first baffle 13 and the second baffle 14; the screw rod can ensure that the both ends of buffer spring 5 are connected with damping cylinder 1 or second connector 10 rigidity all the time when the car is running to ensure that it continuously provides the buffering effect, and the spin of nut is transferred on the screw rod and is also very convenient laborsaving moreover, and then has greatly improved the convenient degree that buffer strength adjusted under the cooperation of coupling assembling 4 and seal piston 6 isotructure.

The working principle and the using flow of the utility model are as follows:

the device is arranged in a steering system at the bottom of an automobile through the first connector 9 and the second connector 10, when the wheels swing, the damping cylinder 1 and the damping rod 41 can be driven to move relatively through the first connector 9 and the second connector 10, the first baffle 13 and the second baffle 14 can be driven to move relatively through the screw rod by the relative movement of the two, so that the elastic recovery performance of the buffer spring 5 is enhanced, the buffer effect is achieved, meanwhile, the damping piston 3 can slide along the inner wall of the damping cavity 2 due to the movement of the damping piston 3 and the connecting component 4 under the cooperation of a valve in the valve mounting hole 11, and the movement of the buffer spring 5 is limited, so that the shock absorption effect is achieved;

when the damping strength of the damper is required to be regulated, the screw rod is firstly removed to remove the limitation of the first baffle plate 13 and the second baffle plate 14, the oil cylinder 8 is controlled to change the hydraulic pressure in the damping cavity 2, the oil quantity in the sealing cavity 42 is further changed under the action of negative pressure, so that the two sealing pistons 6 can move oppositely or reversely, the movement of the two sealing pistons 6 can drive the first baffle plate 13 and the second baffle plate 14 to move oppositely or reversely through the connecting rod 7 and the sliding block 12, the initial deformation strength of the buffer spring 5 can be further changed, and the two screw rod mechanisms are finally locked.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Steering damper, comprising a damping cylinder (1), characterized in that: one end fixedly connected with first connector (9) of damping section of thick bamboo (1), damping chamber (2) have been seted up to the inside of damping section of thick bamboo (1), damping piston (3) have been cup jointed to the inside of damping chamber (2), one side welding of damping piston (3) has coupling assembling (4), the other end of coupling assembling (4) extends to the outside of damping section of thick bamboo (1) and fixedly connected with second connector (10), the outside of damping section of thick bamboo (1) is provided with buffer spring (5), the inside seal of coupling assembling (4) cup joints two sealing pistons (6) about being located damping section of thick bamboo (1) outside and buffer spring (5) inboard, two sealing pistons (6) all fixedly connected with two sets of connecting rods (7) are all fixed to the opposite sides, two sets of other ends of connecting rods (7) all fixedly connected with a slider (12), the outside of two slider (12) extends to the outside of coupling assembling (4) and fixedly connected with first baffle (13) and second baffle (14) in the outside of coupling assembling (4), first baffle (14) and second baffle (14) are connected with both ends that are connected to the baffle (5) respectively, the opposite surfaces of the first baffle (13) and the second baffle (14) are respectively contacted with the damping cylinder (1) and the second connector (10).

2. A steering damper according to claim 1, wherein: the connecting assembly (4) comprises a damping rod (41) which is sleeved in the damping cylinder (1) in a sealing manner, two ends of the damping rod (41) are fixedly connected with the damping piston (3) or the second connector (10) respectively, and a valve mounting hole (11) positioned at the outer side of the connecting assembly (4) is formed in the damping piston (3).

3. A steering damper according to claim 2, wherein: the inside of damping pole (41) has been seted up and has been located sealed chamber (42) between two slider (12), two spacing groove (43) that are located sealed chamber (42) both sides have been seted up to the inside of damping pole (41), the section of sealed chamber (42) and spacing groove (43) is cyclic annular structure, spout (44) that are located every spacing groove (43) outside have been seted up to the surface of damping pole (41), through-hole (45) that are located between sealed chamber (42) and spacing groove (43) have been seted up to the inside of damping pole (41), spout (44) are communicated with each other with sealed chamber (42) through spacing groove (43) and through-hole (45).

4. A steering damper according to claim 3, wherein: the middle part of damping pole (41) has seted up oil feed hole (46) that are located sealed chamber (42) and spacing groove (43) inboard, fixed cover in the middle part of sealed chamber (42) inner wall has cup jointed locating plate (47), the one end of oil feed hole (46) is linked together with damping chamber (2) inside, the other end of oil feed hole (46) extends to locating plate (47) inboard and is linked together with sealed chamber (42) through locating plate (47).

5. A steering damper according to claim 4, wherein: the two sealing pistons (6) are in sealing sleeve connection with the inside of the sealing cavity (42), the opposite surfaces of the two sealing pistons (6) are respectively in contact with the left side and the right side of the positioning plate (47), the connecting rod (7) penetrates through the inside of the through hole (45), and the two sliding blocks (12) are in sliding sleeve connection with the inside of the limiting groove (43) and the sliding groove (44).

6. A steering damper according to claim 1, wherein: the inside of first baffle (13) and second baffle (14) is worn to be equipped with a screw rod, two the one end of screw rod respectively with damping cylinder (1) or second connector (10) fixed connection, the outside screw thread of screw rod has cup jointed the positioning nut that is located first baffle (13) and second baffle (14) both sides.