CN218863161U

CN218863161U - Adjustable damping shock absorber

Info

Publication number: CN218863161U
Application number: CN202223157017.7U
Authority: CN
Inventors: 万德刚
Original assignee: Yangzhou Deweier Automobile Shock Absorber Co ltd
Current assignee: Yangzhou Deweier Automobile Shock Absorber Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-04-14
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses an adjustable damping shock absorber, which comprises an outer casing, wherein the top of the outer casing is in threaded connection with an upper sealing part, and the bottom of the outer casing is in threaded connection with a lower sealing part; the upper sealing part comprises a movable cover and a filling pad, the movable cover is positioned outside the top end of the outer casing, the filling pad is movably arranged inside the outer casing, a threaded connector is arranged at the bottom of the movable cover, a spring groove is arranged at the top of the movable cover, a nut is fixedly arranged on the periphery of the movable cover, a first sealing washer is movably arranged inside the threaded connector, and a second sealing washer is fixedly arranged at the bottom of the filling pad; lower closed member includes mount pad and outer adapter sleeve, the utility model relates to an adjustable damping bumper shock absorber technical field. This adjustable damping bumper shock absorber can dismantle the sealing member of top and bottom, is convenient for change and overhauls inside valve, and easy operation is nimble.

Description

Adjustable damping shock absorber

Technical Field

The utility model relates to an adjustable damping bumper shock absorber technical field specifically is an adjustable damping bumper shock absorber.

Background

The sealing parts at the top end and the bottom end of the existing adjustable damping shock absorber cannot be disassembled, so that the valve inside is inconvenient to replace and overhaul.

For example, chinese patent application No. CN202121693539.1 discloses a damper with adjustable damping, which requires a small space for use and is convenient for manual adjustment. However, the damping adjustable shock absorber cannot be disassembled from the sealing parts at the top end and the bottom end, so that the valve inside the shock absorber is inconvenient to replace and overhaul.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an adjustable damping bumper shock absorber has solved current adjustable damping bumper shock absorber, and the sealing member of undetachable top and bottom is inconvenient to be changed and the problem of overhauing the internal valve.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an adjustable damping shock absorber comprises an outer casing, wherein an upper sealing piece is in threaded connection with the top of the outer casing, and a lower sealing piece is in threaded connection with the bottom of the outer casing;

the upper sealing part comprises a movable cover and a filling pad, the movable cover is positioned outside the top end of the outer casing, the filling pad is movably arranged inside the outer casing, a threaded connector is arranged at the bottom of the movable cover, a spring groove is arranged at the top of the movable cover, a nut is fixedly arranged on the periphery of the movable cover, a first sealing washer is movably arranged inside the threaded connector, and a second sealing washer is fixedly arranged at the bottom of the filling pad;

the lower sealing part comprises an installation seat and an outer connecting sleeve, a connecting piece is movably arranged on the inner wall of the installation seat, the inner connecting sleeve is fixedly connected to one end of the connecting piece, and a positioning screw is connected to the bottom end of the installation seat in a threaded mode.

Preferably, the inside of outer housing is fixed and is equipped with interior cover shell, and can dismantle through the screw thread between interior cover shell and the threaded connection mouth and be connected, be equipped with side grease trap room between outer housing and the interior cover shell.

Preferably, a piston valve is movably arranged in the middle of the inner part of the inner casing, the bottom end of the inner casing is movably connected with a bottom valve through an inner connecting sleeve, and the inner casing is communicated with the bottom end of the lateral oil storage chamber through the bottom valve.

Preferably, the top of the outer casing is movably provided with a frame arm, a valve rod is fixedly arranged between the piston valve and the frame arm, and the valve rod movably penetrates through the movable cover and the filling pad.

Preferably, the bottom of the frame arm is fixedly provided with a spring element, and the bottom end of the spring element is fixedly arranged in the spring groove.

Preferably, the first sealing washer is movably arranged inside the inner casing, and the first sealing washer is correspondingly arranged at the top of the filling washer.

Advantageous effects

The utility model provides an adjustable damping bumper shock absorber. Compared with the prior art, the method has the following beneficial effects:

1. this adjustable damping bumper shock absorber, unscrew the movable cover through the nut, take out the packing pad from interior cover shell inside again, can directly take out the piston valve, be convenient for change or overhaul the piston valve, pack into interior cover shell inside with new piston valve, inside the packing pad packs into interior cover shell, play sealed effect through second seal ring, threaded connection mouth and interior cover shell top thread location, first seal ring plays the effect of strengthening sealedly, the spring groove plays the effect of supporting the spring part, wholly can dismantle the sealing member of top and bottom, be convenient for change and overhaul inside valve, easy operation is nimble.

2. This adjustable damping shock absorber, make outer shell and mount pad break away from through unscrewing the mount pad, and make inner sleeve shell and internal connection cover break away from, take out outer shell from the inside of external connection cover, unscrew set screw and can take out the bottom valve and change or overhaul, put new bottom valve installation in place, press internal connection cover on the bottom valve, the connection piece plays the effect that the internal connection cover was supported in the location, fix a position through the set screw at last, outer shell gets into inside the external connection cover earlier, can play the effect of direction, the follow-up internal connection cover of being convenient for gets into the inside of internal connection cover, it makes mount pad and outer shell screw thread location to twist the mount pad, the installation of accomplishing the mount pad is fixed.

Drawings

Fig. 1 is a schematic view of the overall cross-sectional structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the outer casing of the present invention;

fig. 3 is a schematic cross-sectional structural view of the upper sealing member of the present invention;

fig. 4 is a schematic cross-sectional view of the lower sealing member of the present invention;

fig. 5 is a schematic top view of the inner connection sleeve structure of the present invention.

In the figure: 1. a casing is sleeved; 101. an inner casing; 102. a side oil storage chamber; 11. a piston valve; 12. a bottom valve; 13. a frame arm; 14. a valve stem; 15. a spring member; 2. an upper closure member; 21. a movable cover; 211. a threaded connector; 212. a spring slot; 213. a nut; 214. a first sealing gasket; 22. filling the pad; 221. a second sealing gasket; 3. a lower closure; 31. a mounting base; 32. an outer connecting sleeve; 33. connecting sheets; 34. an inner connecting sleeve; 35. and (5) positioning screws.

Description of the preferred embodiment

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an adjustable damping shock absorber comprises an outer casing 1, wherein the top of the outer casing 1 is in threaded connection with an upper sealing part 2, and the bottom of the outer casing 1 is in threaded connection with a lower sealing part 3; the upper sealing part 2 comprises a movable cover 21 and a filling pad 22, the movable cover 21 is positioned outside the top end of the outer casing 1, the filling pad 22 is movably arranged inside the outer casing 1, the bottom of the movable cover 21 is provided with a threaded connecting port 211, the top of the movable cover 21 is provided with a spring groove 212, the periphery of the movable cover 21 is fixedly provided with a screw cap 213, the inside of the threaded connecting port 211 is movably provided with a first sealing washer 214, and the bottom of the filling pad 22 is fixedly provided with a second sealing washer 221; the fixed interior cover shell 101 that is equipped with in the inside of outer cover shell 1, and can dismantle through the screw thread between interior cover shell 101 and the threaded connection mouth 211 and be connected, be equipped with side oil storage chamber 102 between outer cover shell 1 and the interior cover shell 101, the top activity of outer cover shell 1 is equipped with frame arm 13, fixed valve rod 14 that is equipped with between piston valve 11 and the frame arm 13, and the valve rod 14 activity runs through in the inside of movable cover 21 and filling pad 22, the fixed spring part 15 that is equipped with in bottom of frame arm 13, and the bottom mounting of spring part 15 locates the inside of spring groove 212, the inside of interior cover shell 101 is located in the activity of first seal ring 214, and the top of filling pad 22 is located to first seal ring 214 correspondence. When the piston valve 11 is disassembled, the movable cover 21 is screwed off through the screw cap 213, the filling pad 22 is taken out from the inner sleeve shell 101, the piston valve 11 can be directly drawn out, the piston valve 11 is convenient to replace or overhaul, a new piston valve 11 is arranged in the inner sleeve shell 101, the filling pad 22 is plugged into the inner sleeve shell 101, the sealing effect is achieved through the second sealing gasket 221, the threaded connector 211 and the top end of the inner sleeve shell 101 are positioned in a threaded mode, the first sealing gasket 214 achieves the sealing enhancement effect, and the spring groove 212 achieves the effect of supporting the spring element 15.

Referring to fig. 1, 4 and 5, the lower sealing member 3 includes an installation base 31 and an outer connection sleeve 32, a connection piece 33 is movably disposed on an inner wall of the installation base 31, an inner connection sleeve 34 is fixedly connected to one end of the connection piece 33, a positioning screw 35 is connected to a bottom end of the installation base 31 through a screw thread, a piston valve 11 is movably disposed in the middle of the inner portion of the inner housing 101, a bottom valve 12 is movably connected to a bottom end of the inner housing 101 through the inner connection sleeve 34, and the inner housing 101 is communicated with a bottom end of the side oil storage chamber 102 through the bottom valve 12. When the bottom valve 12 is replaced or overhauled, the mounting seat 31 is unscrewed to separate the outer casing 1 from the mounting seat 31, the inner casing 101 is separated from the inner connecting sleeve 34, the outer casing 1 is pulled out from the inside of the outer connecting sleeve 32, the positioning screw 35 is unscrewed, the bottom valve 12 can be taken out for replacement or overhaul, a new bottom valve 12 is installed in place, the inner connecting sleeve 34 is pressed on the bottom valve 12, the connecting sheet 33 plays a role in positioning and supporting the inner connecting sleeve 34, and finally the outer casing 1 is positioned through the positioning screw 35 and firstly enters the inside of the outer connecting sleeve 32 to play a role in guiding, so that the subsequent inner casing 101 can enter the inside of the inner connecting sleeve 34, the mounting seat 31 is screwed to position the mounting seat 31 and the outer casing 1 through threads, and the installation and fixation of the mounting seat 31 are completed.

When the shock absorber is installed, the frame arm 13 is connected with a frame, the welding cantilever at the bottom end of the lower closing part 3 is connected with an axle, when in work, the same as the prior art is that the frame arm 13 drives the piston valve 11 to move in the inner casing 101 through the valve rod 14, the inner casing 101 is communicated with the bottom end of the side oil storage chamber 102 through the bottom valve 12, the liquid level of the inner casing 101 and the air pressure in the side oil storage chamber 102 are changed, the working mode is the same as that of a common shock absorber, however, the existing shock absorber is inconvenient to disassemble and overhaul the piston valve 11 and the bottom valve 12, when the piston valve 11 is disassembled, the movable cover 21 is unscrewed through the nut 213, then the filling pad 22 is taken out from the inner casing 101, the piston valve 11 can be directly extracted, the piston valve 11 is convenient to replace or overhaul, a new piston valve 11 is installed in the inner casing 101, the filling pad 22 is plugged into the inner casing 101, and plays a sealing role through the second sealing gasket 221, the screw thread connection port 211 is positioned with the top end of the inner housing 101 by screw thread, the first sealing washer 214 is used for strengthening sealing, the spring groove 212 is used for supporting the spring element 15, when the bottom valve 12 is replaced or repaired, the mounting seat 31 is unscrewed to separate the outer housing 1 from the mounting seat 31, the inner housing 101 is separated from the inner connecting sleeve 34, the outer housing 1 is drawn out from the inner part of the outer connecting sleeve 32, the positioning screw 35 is unscrewed, the bottom valve 12 can be taken out for replacement or repair, a new bottom valve 12 is installed in place, the inner connecting sleeve 34 is pressed on the bottom valve 12, referring to figure 5, the inner connecting sleeve 34 is arranged in a ring shape, the top part is provided with butt joint grooves, the connecting sheet 33 is arranged in 2-4 groups around the outer connecting sheet of the inner connecting sleeve 34, the communication between the inner housing 101 and the side oil storage chamber 102 is not influenced, the connecting sheet 33 is used for positioning and supporting the inner connecting sleeve 34, and finally the positioning is carried out by the positioning screw 35, the outer casing 1 gets into outer adapter sleeve 32 earlier inside, can play the effect of direction, and follow-up inner casing shell 101 of being convenient for gets into the inside of inner adapter sleeve 34, twists and moves mount pad 31 and make mount pad 31 and outer casing 1 screw thread location, and the installation of accomplishing mount pad 31 is fixed, wholly can dismantle the sealing member of top and bottom, is convenient for change and overhauls inside valve, and easy operation is nimble.

And those not described in detail in this specification are well within the skill of those in the art.

Claims

1. The utility model provides an adjustable damping bumper shock absorber, includes outer shell (1), its characterized in that: the top of the outer casing (1) is in threaded connection with an upper closing piece (2), and the bottom of the outer casing (1) is in threaded connection with a lower closing piece (3);

the upper sealing part (2) comprises a movable cover (21) and a filling pad (22), the movable cover (21) is located outside the top end of the outer casing (1), the filling pad (22) is movably arranged inside the outer casing (1), a threaded connecting port (211) is formed in the bottom of the movable cover (21), a spring groove (212) is formed in the top of the movable cover (21), a nut (213) is fixedly arranged on the periphery of the movable cover (21), a first sealing washer (214) is movably arranged inside the threaded connecting port (211), and a second sealing washer (221) is fixedly arranged at the bottom of the filling pad (22);

lower closed piece (3) are including mount pad (31) and outer adapter sleeve (32), the inner wall activity of mount pad (31) is equipped with connection piece (33), the one end fixedly connected with in-connection cover (34) of connection piece (33), the bottom threaded connection of mount pad (31) has set screw (35).

2. An adjustable damping shock absorber according to claim 1 wherein: the inside of outer shell (1) is fixed and is equipped with interior cover shell (101), and can dismantle through the screw thread between interior cover shell (101) and threaded connection mouth (211) and be connected, be equipped with side grease trap room (102) between outer shell (1) and interior cover shell (101).

3. An adjustable damping shock absorber according to claim 2 wherein: the piston valve (11) is movably arranged in the middle of the interior of the inner casing (101), the bottom end of the inner casing (101) is movably connected with a bottom valve (12) through an inner connecting sleeve (34), and the inner casing (101) and the bottom end of the side oil storage chamber (102) are communicated through the bottom valve (12).

4. An adjustable damping shock absorber according to claim 3 wherein: the top of the outer sleeve shell (1) is movably provided with a frame arm (13), a valve rod (14) is fixedly arranged between the piston valve (11) and the frame arm (13), and the valve rod (14) movably penetrates through the movable cover (21) and the filling pad (22).

5. The adjustable damping shock absorber of claim 4, wherein: spring elements (15) are fixedly arranged at the bottom of the frame arm (13), and the bottom ends of the spring elements (15) are fixedly arranged in the spring grooves (212).

6. An adjustable damping shock absorber according to claim 2 wherein: the first sealing washer (214) is movably arranged inside the inner casing (101), and the first sealing washer (214) is correspondingly arranged at the top of the filling pad (22).