CN214742991U

CN214742991U - Wear-resistant shock absorber

Info

Publication number: CN214742991U
Application number: CN202022773323.8U
Authority: CN
Inventors: 周保民
Original assignee: Yancheng Weixin Shock Absorber Technology Co ltd
Current assignee: Yancheng Weixin Shock Absorber Technology Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-11-16
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses a wear-resistant shock absorber, which comprises an outer cylinder, a buffer mechanism and a fixing mechanism; an outer-layer cylinder: the oil seal structure is of a top-free structure, an oil seal disc is placed on the upper surface of an outer-layer cylinder, a piston pipe is arranged on the bottom surface of the oil seal disc, a piston valve is connected to the inner wall of the piston pipe in a sliding mode, a piston push rod is arranged in the middle of the upper surface of the piston valve, the upper end of the piston push rod penetrates through a middle round hole of the oil seal disc, a pressure barrel is fixedly connected to the end head of the piston push rod, the pressure barrel is of a top-free structure, a bottom valve is arranged on the bottom surface of the inner wall of the piston pipe, and shock absorber oil is filled in the piston pipe and in the lower half portion between the piston pipe and the outer-layer cylinder; a buffer mechanism: set up in the inside of pressure bucket, buffer gear's top is connected with U type seat through the bull stick rotation, this wearability bumper shock absorber, and the piston valve can not direct work make whole device more wear-resisting when the less highway section of range of jolting of car, can change or add the bumper shock absorber oil.

Description

Wear-resistant shock absorber

Technical Field

The utility model relates to a bumper shock absorber technical field specifically is a wearability bumper shock absorber.

Background

The automobile is a non-rail-mounted vehicle which is driven by power and provided with 4 wheels or more than 4 wheels, and is mainly used for: carrying personnel and/or goods; vehicles for towing persons and/or goods, which may be classified as passenger vehicles and commercial vehicles, are used for transporting persons and goods in terms of design and technical characteristics, and can tow trailers, but passenger vehicles are not included. Mainly comprises the following steps: when a passenger car, a semi-trailer tractor and a truck drive through a bumpy road section, the vehicle can generate bounce and fluctuation, therefore, the damping device is designed to be reduced at the suspension part of the automobile body, the damping device of the automobile is divided into two parts, namely a damping spring and a damper, the damping spring is used for keeping the height of the automobile body, the damper is used for controlling the rebound and compression effects of the damping spring, in order to quickly attenuate the vibration of a frame and a vehicle body and improve the running smoothness and comfort of the vehicle, the prior art has a plurality of defects, a piston valve of the vehicle can also directly work when the vehicle is in a section with small bumping amplitude, unnecessary loss of the piston valve is increased, the service life of a shock absorber is reduced, shock absorber oil cannot be replaced or added, the loss of the piston valve is increased under the condition of insufficient shock absorber oil, the wear resistance of the device is further reduced, and therefore a novel wear-resistant shock absorber is provided to meet the requirements.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a wearability bumper shock absorber, can tentatively cushion, the car piston valve can not direct work when the less highway section of range of jolting, has reduced the loss of piston valve for whole device is more wear-resisting, can change or add the bumper shock absorber oil, avoids increasing the loss of piston valve under the not enough condition of bumper shock absorber oil, further improves the wearability of device, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a wear-resistant shock absorber comprises an outer layer cylinder, a buffering mechanism and a fixing mechanism;

an outer-layer cylinder: the oil seal structure is of a top-free structure, an oil seal disc is placed on the upper surface of an outer-layer cylinder, a piston pipe is arranged on the bottom surface of the oil seal disc, a piston valve is connected to the inner wall of the piston pipe in a sliding mode, a piston push rod is arranged in the middle of the upper surface of the piston valve, the upper end of the piston push rod penetrates through a middle round hole of the oil seal disc, a pressure barrel is fixedly connected to the end head of the piston push rod, the pressure barrel is of a top-free structure, a bottom valve is arranged on the bottom surface of the inner wall of the piston pipe, and shock absorber oil is filled in the piston pipe and in the lower half portion between the piston pipe and the outer-layer cylinder;

a buffer mechanism: the buffer mechanism is arranged in the pressure barrel, the top end of the buffer mechanism is rotatably connected with a U-shaped seat through a rotating rod, the upper surface of the U-shaped seat is provided with an installation plate, and the upper surface of the installation plate and the bottom surface of the outer barrel are both provided with welding rings;

a fixing mechanism: including installation component and locking Assembly, the installation component symmetry sets up in the upper surface of oil blanket dish, and the locking Assembly symmetry sets up in the extrados top of outer section of thick bamboo, installation component and locking Assembly one-to-one, can tentatively cushion, and the piston valve can not direct work when the less highway section of range of jolting of car, has reduced the loss of piston valve for whole device is more wear-resisting, can change or add the shock absorber oil, avoids increasing the loss of piston valve under the not enough circumstances of shock absorber oil, further improves the wearability of device.

Further, buffer gear includes buffer board, bar groove, buffer spring and gyro wheel, the bottom of pressure vessel is equipped with the bar groove, the inner wall spout roll connection in bar groove has the gyro wheel, the inner wall spout symmetry in bar groove is equipped with buffer spring, buffer spring's medial extremity and the extrados contact of gyro wheel, the leading flank of gyro wheel rotates through the pivot and is connected with the buffer board, the upper end of buffer board is rotated through the bull stick and is connected with U type seat, can tentatively cushion, the piston valve can not the direct work when the less highway section of range of jolting of car, the loss of piston valve has been reduced, make whole device more wear-resisting.

Further, the installation component includes fixing base and bent plate, the upper surface symmetry of oil blanket dish is equipped with the fixing base, and the inner wall of fixing base all is connected with the bent plate through round pin hub rotation, guarantees oil blanket dish fixed mounting structure's integrality.

Further, locking Assembly includes locking seat and locking bolt, the extrados top symmetry of outer layer section of thick bamboo is equipped with the locking seat, and the lower extreme of bent plate can be changed or add the shock absorber oil through locking bolt and the locking seat threaded connection who corresponds respectively, avoids increasing the loss of piston valve under the not enough condition of shock absorber oil, further improves the wearability of device.

Furthermore, a sealing strip is arranged at a round hole in the middle of the bottom surface of the oil seal disc, and the outer arc surface of the piston push rod is connected with the inner ring of the sealing strip in a sliding mode, so that the sealing performance of the oil seal disc is further improved, and the piston push rod is guaranteed to work normally.

Compared with the prior art, the beneficial effects of the utility model are that: this wearability bumper shock absorber has following benefit:

1. the mounting plate transmits force to the buffer plate through the U-shaped seat, the buffer plate transmits force to the roller below after being stressed, the roller rolls along the chute on the inner wall of the strip-shaped groove after being stressed, one buffer spring is extruded by the roller, the other buffer spring can extend automatically, after the roller rolls, the buffer plate inclines due to the unchanged length of the buffer plate, the buffer plate rotates relative to the roller, the upper end of the buffer plate deviates in angle and moves downwards, the buffer plate rotates relative to the U-shaped seat, the U-shaped seat can not rotate and keeps a plane all the time due to the fact that the upper structure of the U-shaped seat is still stressed, the upper end of the buffer plate moves downwards to drive the U-shaped seat and the upper structure to move downwards to realize preliminary buffering, if the automobile bumping degree is small, the deformation of the buffer spring can sufficiently offset the force transmitted by the upper structure to realize small-amplitude shock absorption, and after the shock absorption spring of the automobile does not exert pressure any more, buffer spring begins to reset, and compressed buffer spring promotes the gyro wheel and resets, and the gyro wheel drives the buffer board and resets, can tentatively cushion, and the piston valve can not the direct work when the less highway section of range of jolting of car, has reduced the loss of piston valve for whole device is more wear-resisting.

2. When the oil of the shock absorber needs to be replaced, the locking bolt is screwed out, the bent plate is not fixed on the locking seat, and workers rotate the bent plate and the bent plate. The oil seal disc is pushed upwards by a worker, the oil seal disc is pushed upwards, the piston push rod slides, the oil of the shock absorber inside the piston tube can be replaced by the worker, the oil seal disc is pushed back after the replacement is finished, the bent plate is rotated back again, the locking bolt is screwed, the bent plate is fixed with the locking seat again, the oil of the shock absorber can be replaced or added, the loss of the piston valve is avoided being increased under the condition that the oil of the shock absorber is insufficient, and the wear resistance of the device is further improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the internal sectional structure of the present invention.

In the figure: the device comprises an outer barrel 1, an oil seal disc 2, a piston tube 3, a piston valve 4, a piston push rod 5, a pressure barrel 6, a buffer mechanism 7, a buffer plate 71, a strip-shaped groove 72, a buffer spring 73, a roller 74, a fixing mechanism 8, an installation component 81, a fixed seat 811, a bent plate 812, a locking component 82, a locking seat 821, a locking bolt 822, a fixing bolt 83, a bottom valve 9, a welding ring 10, a U-shaped seat 11, a mounting plate 12 and a sealing strip 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a wear-resistant shock absorber comprises an outer layer cylinder 1, a buffering mechanism 7 and a fixing mechanism 8;

an outer layer cylinder 1: the automobile damping spring is of a top-free structure, an oil seal disc 2 is placed on the upper surface of an outer barrel 1, a piston pipe 3 is arranged on the bottom surface of the oil seal disc 2, a piston valve 4 is connected to the inner wall of the piston pipe 3 in a sliding mode, a piston push rod 5 is arranged in the middle of the upper surface of the piston valve 4, the upper end of the piston push rod 5 penetrates through a middle round hole of the oil seal disc 2 and is fixedly connected with a pressure barrel 6 at the end, the pressure barrel 6 is of a top-free structure, a bottom valve 9 is arranged on the bottom surface of the inner wall of the piston pipe 3, the interior of the piston pipe 3 and the lower half portion between the piston pipe 3 and the outer barrel 1 are filled with damper oil, a sealing strip 13 is arranged at the middle round hole of the bottom surface of the oil seal disc 2, an outer arc surface of the piston push rod 5 is connected with an inner ring of the sealing strip 13 in a sliding mode, a worker can install the whole device to a corresponding area, two ends of an automobile damping spring are respectively welded with corresponding welding rings 10, installation and fixation of the whole structure is achieved, when an automobile jolts, the automobile damping spring is compressed under stress, the automobile damping spring contracts to apply pressure to the upper welding ring 10, the upper welding ring 10 transmits the force to the mounting plate 12, the mounting plate 12 transmits the force to the buffer mechanism 7 through the U-shaped seat 11, if the automobile jounces to a large extent, the U-shaped seat 11 moves downwards all the time and drives the mounting plate 12 to move downwards, the mounting plate 12 moves downwards to contact with the top end of the pressure barrel 6, at the moment, the pressure barrel 6 receives the upper force, the pressure barrel 6 transmits the force to the piston push rod 5, the piston push rod 5 transmits the force to the piston valve 4, the piston valve 4 slides downwards along the inner wall of the piston pipe 3 after receiving the force, the piston valve 4 extrudes the damping oil in the piston pipe 3 after moving downwards, the damping oil receives the force and transmits the force to the lower bottom valve 9, the force of the bottom valve 9 reaches a certain degree, the damping valves on the piston valve 4 and the bottom valve 9 are squeezed, most of the damping oil flows to a gap between the piston pipe 3 and the cylinder 1 from the damping valve on the bottom valve 9, because a part of air still exists between the piston tube 3 and the outer layer tube 1, after the shock absorber oil enters between the piston tube 3 and the outer layer tube 1, the air in the shock absorber oil is compressed, the other small part of the shock absorber oil pushes the damping valve on the piston valve 4 open and flows to the upper part of the piston valve 4, at the moment, the automobile drives through a bumpy road section, the shock absorbing spring of the automobile stretches, the upper part of the whole device is not stressed, the compressed air begins to expand, the shock absorber oil is pushed back to the piston tube 3 through the damping valve on the bottom valve 9, after the shock absorbing oil flows back to the piston tube 3, the volume of the shock absorber oil below the piston valve 4 in the piston tube 3 is increased, the piston valve 4 is lifted, the piston push rod 5 is driven to reset after the piston valve 4 is lifted, the piston push rod 5 drives the pressure barrel 6 to move upwards, the sealing strip 13 can further seal the oil body in the piston tube 3, and in the process, the damping force generated when the shock absorber oil flows through the damping valves on the bottom valve 9 and the piston valve 4 further counteracts the shock absorbing spring of the automobile to generate the shock absorbing spring The purpose of shock absorption is achieved;

the buffer mechanism 7: the buffer mechanism 7 comprises a buffer plate 71, a strip-shaped groove 72, a buffer spring 73 and a roller 74, the bottom of the pressure barrel 6 is provided with the strip-shaped groove 72, the inner wall chute of the strip-shaped groove 72 is in rolling connection with the roller 74, the inner wall chute of the strip-shaped groove 72 is symmetrically provided with the buffer spring 73, the inner side end of the buffer spring 73 is in contact with the outer arc surface of the roller 74, the front side surface of the roller 74 is in rolling connection with the buffer plate 71 through a rotating shaft, the upper end of the buffer plate 71 is in rolling connection with the U-shaped seat 11 through the rotating rod, the mounting plate 12 transmits force to the buffer plate 71 through the U-shaped seat 11, the buffer plate 71 transmits force to the roller 74 below after being stressed, the roller 74 rolls along the inner wall chute of the strip-shaped groove 72 after being stressed, one of the buffer springs 73 is extruded by the roller 74, the other buffer spring 73 can extend automatically, after the roller 74 rolls, because the length of the buffer plate 71 is unchanged, the buffer plate 71 inclines, the buffer plate 71 and the roller 74 rotate relatively, the upper end of the buffer plate 71 deviates angularly and moves downwards, the buffer plate 71 and the U-shaped seat 11 rotate relatively, because the upper structure of the U-shaped seat 11 is still stressed, the U-shaped seat 11 cannot rotate and keeps a plane all the time, the upper end of the buffer plate 71 moves downwards to drive the U-shaped seat 11 and the upper structure to move downwards to realize primary buffering, if the automobile jolt degree is small, the deformation of the buffer spring 73 is enough to offset the force transmitted by the upper structure to realize small-amplitude shock absorption, after the shock absorption spring of the automobile does not apply pressure any more, the buffer spring 73 starts to reset, the compressed buffer spring 73 pushes the roller 74 to reset, and the roller 74 drives the buffer plate 71 to reset, the buffering can be performed preliminarily, and the piston valve cannot work directly when the automobile is in a road section with small bumping amplitude, so that the loss of the piston valve is reduced, and the whole device is more wear-resistant;

the fixing mechanism 8: including installation component 81 and locking Assembly 82, installation component 81 symmetry sets up in the upper surface of oil blanket dish 2, locking Assembly 82 symmetry sets up in outer cambered surface top of outer tube 1, installation component 81 and locking Assembly 82 one-to-one, installation component 81 includes fixing base 811 and bent plate 812, the upper surface symmetry of oil blanket dish 2 is equipped with fixing base 811, the inner wall of fixing base 811 all has bent plate 812 through round pin hub connection, locking Assembly 82 includes locking seat 821 and locking bolt 822, outer cambered surface top symmetry of outer tube 1 is equipped with locking seat 821, the lower extreme of bent plate 812 is respectively through locking bolt 822 and the locking seat 821 threaded connection who corresponds, when needing to change the bumper shock absorber oil, screw out locking bolt 822, bent plate 812 no longer fixes on locking seat 821, the workman rotates bent plate 812, bent plate 812. Rotate around fixing base 811, the workman upwards promotes oil blanket dish 2, oil blanket dish 2 upwards follows, piston push rod 5 slides, the workman can change the inside shock absorber oil of piston tube 3, change and finish, push back oil blanket dish 2, change back bent plate 812 again and screw up locking bolt 822, it is fixed with locking seat 821 with bent plate 812 again, can change or add shock absorber oil, avoid increasing the loss of piston valve under the shock absorber oil deficiency condition, further improve the wearability of device.

When in use: the worker installs the whole device in a corresponding area, two ends of the automobile damping spring are respectively welded with the corresponding welding rings 10, the installation and fixation of the whole structure are realized, when the automobile jolts, the automobile damping spring is compressed under stress, the automobile damping spring contracts to apply pressure on the welding rings 10 above, the welding rings 10 above transmit the force to the mounting plate 12, the mounting plate 12 transmits the force to the buffer plate 71 through the U-shaped seat 11, the buffer plate 71 transmits the force to the roller 74 below after being stressed, the roller 74 rolls along the sliding groove on the inner wall of the strip-shaped groove 72 after being stressed, one buffer spring 73 is extruded by the roller 74, the other buffer spring 73 can extend automatically, after the roller 74 rolls, because the length of the buffer plate 71 is unchanged, the buffer plate 71 inclines, the buffer plate 71 rotates relative to the roller 74, the upper end of the buffer plate 71 deviates angularly and moves downwards, the buffer plate 71 and the U-shaped seat 11 rotate relatively, because the upper structure of the U-shaped seat 11 is still stressed, the U-shaped seat 11 cannot rotate and keeps a plane all the time, the upper end of the buffer plate 71 moves downwards to drive the U-shaped seat 11 and the upper structure to move downwards to realize preliminary buffering, if the automobile jolting degree is small, the deformation of the buffer spring 73 can sufficiently offset the force transmitted by the upper structure to realize small-amplitude shock absorption, if the automobile jolting degree is large, the U-shaped seat 11 moves downwards all the time and drives the mounting plate 12 to move downwards, the mounting plate 12 moves downwards to be contacted with the top end of the pressure barrel 6, at the moment, the pressure barrel 6 receives the upper force, the pressure barrel 6 transmits the force to the piston push rod 5, the piston push rod 5 transmits the force to the piston valve 4, the piston valve 4 slides downwards along the inner wall of the piston pipe 3 after receiving the force, the piston valve 4 extrudes the shock absorber oil in the piston pipe 3 after moving downwards, the shock absorber oil receives the force and transmits the force to the bottom valve 9 below, the bottom valve 9 is stressed to a certain degree, the piston valve 4 and the damping valve on the bottom valve 9 are squeezed open, most of the shock absorber oil flows to the gap between the piston tube 3 and the outer layer cylinder 1 from the damping valve on the bottom valve 9, because a part of air still exists between the piston tube 3 and the outer layer cylinder 1, the shock absorber oil enters between the piston tube 3 and the outer layer cylinder 1, the air inside the shock absorber oil is compressed, the other small part of the shock absorber oil squeezes the damping valve on the piston valve 4 open and flows to the upper part of the piston valve 4, at the moment, the automobile drives the bumping road section, the damping spring of the automobile stretches, the upper part of the whole device is not stressed any more, the compressed air begins to expand, the shock absorber oil is squeezed back to the piston tube 3 through the damping valve on the bottom valve 9, after the damping gasoline flows back to the piston tube 3, the volume of the shock absorber oil below the piston valve 4 in the piston tube 3 is increased, the piston valve 4 is lifted, the piston push rod 5 is reset after the piston valve 4 is lifted, the piston push rod 5 drives the pressure barrel 6 to move upwards, after the damping spring of the automobile does not exert pressure any more, the buffer spring 73 begins to reset, the compressed buffer spring 73 pushes the roller 74 to reset, the roller 74 drives the buffer plate 71 to reset, in the process, the damping force generated when the damper oil flows through the damping valves on the bottom valve 9 and the piston valve 4 further counteracts the deformation generated by the automobile damping spring, the damping purpose is achieved, when the damper oil needs to be replaced, the locking bolt 822 is screwed out, the bent plate 812 is not fixed on the locking seat 821, a worker rotates the bent plate 812, and the bent plate 812 is rotated. Rotate around fixing base 811, the workman upwards promotes oil blanket dish 2, and oil blanket dish 2 is upwards followed, and piston push rod 5 slides, and the workman can change the inside shock absorber oil of piston tube 3, and the change is accomplished, pushes back oil blanket dish 2, changes back bent plate 812 again and screws up locking bolt 822, fixes bent plate 812 with locking seat 821 again.

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

Claims

1. A wear-resistant shock absorber, characterized in that: comprises an outer layer cylinder (1), a buffer mechanism (7) and a fixing mechanism (8);

outer layer cylinder (1): the oil seal disc is of a top-free structure, an oil seal disc (2) is placed on the upper surface of an outer-layer cylinder (1), a piston pipe (3) is arranged on the bottom surface of the oil seal disc (2), a piston valve (4) is connected to the inner wall of the piston pipe (3) in a sliding mode, a piston push rod (5) is arranged in the middle of the upper surface of the piston valve (4), the upper end of the piston push rod (5) penetrates through a middle round hole of the oil seal disc (2) and is fixedly connected with a pressure barrel (6) at the end, the pressure barrel (6) is of a top-free structure, a bottom valve (9) is arranged on the bottom surface of the inner wall of the piston pipe (3), and the lower half portion between the piston pipe (3) and the outer-layer cylinder (1) is filled with shock absorber oil;

buffer mechanism (7): the buffer mechanism is arranged in the pressure barrel (6), the top end of the buffer mechanism (7) is rotatably connected with a U-shaped seat (11) through a rotating rod, the upper surface of the U-shaped seat (11) is provided with an installation plate (12), and the upper surface of the installation plate (12) and the bottom surface of the outer barrel (1) are provided with welding rings (10);

fixing mechanism (8): including installation component (81) and locking Assembly (82), installation component (81) symmetry sets up in the upper surface of oil blanket dish (2), and locking Assembly (82) symmetry sets up in the extrados top of outer section of thick bamboo (1), installation component (81) and locking Assembly (82) one-to-one.

2. A wear resistant shock absorber according to claim 1, wherein: buffer gear (7) are including buffer board (71), bar groove (72), buffer spring (73) and gyro wheel (74), the bottom of pressure bucket (6) is equipped with bar groove (72), and the inner wall spout roll connection of bar groove (72) has gyro wheel (74), and the inner wall spout symmetry of bar groove (72) is equipped with buffer spring (73), the medial extremity of buffer spring (73) and the extrados contact of gyro wheel (74), and the leading flank of gyro wheel (74) rotates through the pivot and is connected with buffer board (71), and the upper end of buffer board (71) is rotated through the bull stick and is connected with U type seat (11).

3. A wear resistant shock absorber according to claim 1, wherein: the mounting assembly (81) comprises a fixed seat (811) and a bent plate (812), wherein the fixed seat (811) is symmetrically arranged on the upper surface of the oil seal disc (2), and the bent plate (812) is rotatably connected to the inner wall of the fixed seat (811) through a pin shaft.

4. A wear resistant shock absorber according to claim 3, wherein: locking subassembly (82) are including locking seat (821) and locking bolt (822), the extrados top symmetry of outer barrel (1) is equipped with locking seat (821), and the lower extreme of bent plate (812) passes through locking bolt (822) respectively and locking seat (821) threaded connection who corresponds.

5. A wear resistant shock absorber according to claim 1, wherein: and a sealing strip (13) is arranged at a circular hole in the middle of the bottom surface of the oil seal disc (2), and the outer arc surface of the piston push rod (5) is in sliding connection with the inner ring of the sealing strip (13).