CN217481828U - Valve body replaceable buffering shock absorber - Google Patents
Valve body replaceable buffering shock absorber Download PDFInfo
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- CN217481828U CN217481828U CN202121566368.6U CN202121566368U CN217481828U CN 217481828 U CN217481828 U CN 217481828U CN 202121566368 U CN202121566368 U CN 202121566368U CN 217481828 U CN217481828 U CN 217481828U
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Abstract
The utility model discloses a buffer shock absorber with a replaceable valve body, wherein a piston is movably arranged in a cylinder body, a piston rod is fixed with the piston, one end of the piston rod, which is far away from the piston, penetrates out of the cylinder body, a mounting seat, an outer shell and a middle shell, the outer shell and the middle shell are both fixed with the mounting seat in a sealing way, the outer shell is sleeved outside the cylinder body, the middle shell is arranged between the cylinder body and the outer shell, a first containing cavity is arranged between the middle shell and the outer shell, a second containing cavity is arranged between the cylinder body and the middle shell, the other end of the cylinder body is provided with a buffer component, the mounting seat is detachably provided with a pressure regulating valve component, the pressure regulating valve component is provided with a second damping hole, and the first containing cavity is communicated with the inside of the cylinder body through the second damping hole and the first damping hole; the volume of the diffusion of the gas in the cylinder body can be increased through the arranged first accommodating cavity and the second accommodating cavity, the communicating state of the second accommodating cavity is controlled through the arranged pressure regulating valve assembly, the conducting area of the second damping hole is controlled, and the applicability is improved.
Description
Technical Field
The utility model relates to a bumper shock absorber field, concretely relates to buffering bumper shock absorber of removable valve body.
Background
In a working condition environment requiring buffering or shock absorption, shock absorbers are generally adopted to consume impact energy to achieve the effects of buffering and shock absorption, such as automobile shock absorption, elevator shock absorption and the like. When the shock absorber is applied to automobile shock absorption, mainly when an automobile passes through an uneven road surface, the shock of the road surface is filtered through the shock absorbing spring, but the spring can still reciprocate, and the shock absorber is used for inhibiting the spring from jumping. Therefore, the shock absorber undertakes the tasks of buffering and shock absorption, the damping force is too large, the elasticity of a suspension frame is deteriorated, even a shock absorber connecting piece is damaged, most of shock absorption devices used on the existing automobile are hydraulic shock absorbers, namely, an inner cylinder and an outer cylinder structure are utilized, the outer cylinder is an oil storage cavity, the inner cylinder is a working oil cylinder, the shock absorber has more parts, and the damping force is unstable. Meanwhile, most of the existing shock absorbers are single-channel shock absorbers, namely hydraulic oil or nitrogen of a cylinder body is compressed through a solid piston, reliability of the shock absorbers when the shock absorbers are subjected to violent impact in a short time cannot be guaranteed, and the phenomenon that the cylinder body bursts or is damaged easily occurs. And the existing shock absorber is easy to damage the valve body when being used for a long time or frequently suffering violent impact, and once the valve body is damaged, the whole shock absorber is scrapped, so that the cost is high and materials are wasted.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the buffering shock absorber with the replaceable valve body is simple in structure, convenient to disassemble and capable of effectively prolonging the service life of the shock absorber.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a valve-replaceable buffer shock absorber comprises a cylinder body, a piston rod, a mounting seat, an outer shell and a middle shell, wherein the piston is movably arranged in the cylinder body, the piston rod is fixed with the piston, one end of the piston rod, which is far away from the piston, penetrates out of one end of the cylinder body, the outer shell and the middle shell are both fixed with the mounting seat in a sealing manner, the outer shell is coaxially and fixedly sleeved on the outer side of the cylinder body, the middle shell is coaxially and fixedly arranged between the cylinder body and the outer shell, a first containing cavity is arranged between the middle shell and the outer shell, a second containing cavity is arranged between the cylinder body and the middle shell, a buffer component is arranged at the other end of the cylinder body, the buffer component comprises a fixed seat, the fixed seat is provided with a first through hole, and the fixed seat is fixed with the mounting seat, the fixing base be provided with the damping plate, the damping plate set up with first through-hole corresponding and the internal diameter be less than the first through-hole internal diameter first damping hole, the second hold the chamber through first damping hole and the inside intercommunication of cylinder body, the mount pad can dismantle and be provided with the air-vent valve subassembly, the air-vent valve subassembly be provided with the second damping hole, first appearance chamber pass through second damping hole, first damping hole and the inside intercommunication of cylinder body.
Furthermore, the fixed seat is provided with a fixed shaft, the damping plate is movably sleeved on the outer side of the fixed shaft, a compression spring for compressing the damping plate is further sleeved at the rear end of the fixed shaft, the compression spring is respectively abutted against the damping plate and the rear end of the fixed shaft, and a second through hole communicated with the first damping hole and the second containing cavity is formed in the rear end of the fixed seat; the advantage can be when the piston rod receives the impact force that exceeds standard through pressure spring's setting for pressure in the cylinder body is faster to be spread and is held first appearance chamber and second and hold the chamber, avoids the exploding of cylinder body to split.
Furthermore, the mounting seat is provided with a mounting cavity, the pressure regulating valve assembly is arranged in the mounting cavity, the pressure regulating valve assembly comprises a regulating valve core and a hollow regulating seat, the regulating seat is fixedly arranged in the mounting cavity in a sealing manner, the second damping hole is formed in the upper end part of the regulating seat, the second damping hole is communicated with the first accommodating cavity, the regulating seat is also provided with a third through hole for communicating the second damping hole with the first damping hole, the regulating valve core is arranged in the middle of the regulating seat in a sealing manner, the upper end part of the regulating valve core is provided with a sealing element with gradually reduced diameter, and the sealing element extends into the second damping hole; the advantage lies in that the area that switches on of regulation second damping hole that can be better through setting up of pressure regulating valve subassembly to the more convenient buffering effect of adjusting the bumper shock absorber.
Furthermore, a knob is fixedly arranged at the lower end part of the adjusting valve core; the knob is arranged, so that the rotary adjustment of the adjusting valve core is greatly facilitated, the use convenience is improved, and the use is more humanized.
Furthermore, the front end of the outer shell is provided with a sealing plug, and the sealing plug is hermetically fixed with the front ends of the outer shell, the middle shell and the cylinder body.
Furthermore, a limiting piece is arranged at one end of the piston rod, which is far away from the piston, an elastic piece is sleeved outside the piston rod, which extends out of the cylinder body, and two ends of the elastic piece are respectively abutted against the limiting piece and the sealing plug; the piston rod damping device has the advantages that the damping of the piston rod can be better realized through the arranged elastic piece.
Furthermore, the adjusting seat is provided with a limiting groove, the mounting seat is provided with a limiting hole, and a limiting bolt matched with the limiting groove is arranged in the limiting hole; the advantage is through the cooperation of spacing groove and spacing bolt can be better fixed chucking adjust the seat.
Compared with the prior art, the utility model discloses an advantage holds the volume of the gaseous diffusion in the chamber multiplicable cylinder body through the first chamber that sets up, second to can control the second through the pressure regulating valve subassembly that can dismantle the setting and hold the intercommunication state in chamber, and control the area that switches on of second damping hole, thereby adjustment buffering bumper shock absorber's that can be better buffering shock attenuation effect makes it be applicable to different operating mode environment, improves the adaptability. Simultaneously, the setting of the regulating valve component changes the space and the speed of gas diffusion in the cylinder body, and the linearity of the traditional shock absorber, caused by gas dissipation, of the reduction of the shock absorption effect component can be effectively compensated. Simultaneously owing to can dismantle the setting pressure regulating valve subassembly, the maintenance in the later stage of being convenient for and the equipment during production avoid traditional bumper shock absorber in case the damping hole pressure regulating unit damage is whole condemned phenomenon promptly, the utility model discloses only change the pressure regulating valve subassembly and can reuse, improve life, reduce cost.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the installation of the piston rod of the present invention;
FIG. 3 is a schematic cross-sectional view of FIG. 2;
fig. 4 is a schematic structural view of the mounting base of the present invention;
FIG. 5 is a schematic structural view of the pressure regulator valve assembly of the present invention;
FIG. 6 is a schematic cross-sectional view of FIG. 5;
FIG. 7 is a schematic view of the fixing base of the present invention;
fig. 8 is a second schematic structural view of the fixing base of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
The utility model provides a buffer damper of removable valve body, including cylinder body 1, piston 2, piston rod 3, mount pad 4, shell body 6 and middle casing 7, the front end of shell body 6 is provided with sealing plug 10, sealing plug 10 and shell body 6, middle casing 7, the front end of cylinder body 1 is all sealed fixed, the activity of piston 2 sets up in cylinder body 1, piston rod 3 is fixed mutually with piston 2, the one end that piston 2 was kept away from to piston rod 3 is worn out cylinder body 1's one end and sealing plug 10 and is sealed cooperation with sealing plug 10, the one end that piston 2 was kept away from to above-mentioned piston rod 3 is provided with locating part 17, the outside cover that piston rod 3 stretches out cylinder body 1 is equipped with elastic component 18, the both ends of elastic component 18 offset with locating part 17 and sealing plug 10 respectively.
The outer shell 6 and the middle shell 7 are both fixed with the mounting seat 4 in a sealing way, the outer shell 6 is coaxially and fixedly sleeved on the outer side of the cylinder body 1, the middle shell 7 is coaxially and fixedly arranged between the cylinder body 1 and the outer shell 6, a first containing cavity 11 is arranged between the middle shell 7 and the outer shell 6, a second containing cavity 12 is arranged between the cylinder body 1 and the middle shell 7, the other end of the cylinder body 1 is provided with a buffer component 8, the buffer component 8 comprises a fixed seat 8.1, the fixed seat 8.1 is provided with a first through hole 8.2, the fixed seat 8.1 is fixed with the mounting seat 4, the fixed seat 8.1 is provided with a fixed shaft 8.3, the outer side of the fixed shaft 8.3 is movably sleeved with a damping plate 8.4, the rear end part of the fixed shaft 8.3 is also sleeved with a compression spring 8.5 for compressing the damping plate 8.4, the compression spring 8.5 is respectively abutted against the rear ends of the damping plate 8.4 and the fixed shaft 8.3, the damping plate 8.4 is provided with a first damping hole 8.6 which corresponds to the first through hole 8.2 and has an inner diameter smaller than the first through hole 8.2, the rear end of the fixing seat 8.1 is provided with a second through hole 8.7 communicated with the first damping hole 8.6 and the second containing cavity 12, the second containing cavity 12 is communicated with the interior of the cylinder body 1 through the first damping hole 8.6, the mounting seat 4 is detachably connected with a pressure regulating valve assembly 9 through threads, the pressure regulating valve assembly 9 is provided with a second damping hole 9.4, and the first containing cavity 11 is communicated with the interior of the cylinder body 1 through the second damping hole 9.4 and the first damping hole 8.6. The adjusting seat 9.1 is provided with a limiting groove 13, the mounting seat 4 is provided with a limiting hole 14, a limiting bolt 15 matched with the limiting groove 13 is arranged in the limiting hole 14, and the adjusting seat 9.1 can be better fixedly clamped through the matching of the limiting groove 13 and the limiting bolt 15.
The mounting seat 4 is provided with a mounting cavity 5, the pressure regulating valve assembly 9 is arranged in the mounting cavity 5, the pressure regulating valve assembly 9 comprises a regulating valve core 9.2 and a hollow regulating seat 9.1, the regulating seat 9.1 is fixedly arranged in the mounting cavity 5 in a sealing manner, a second damping hole 9.4 is formed in the upper end portion of the regulating seat 9.1, the second damping hole 9.4 is communicated with the first accommodating cavity 11, the regulating seat 9.1 is further provided with a third through hole 9.5 for communicating the second damping hole 9.4 with the first damping hole 8.6, the regulating valve core 9.2 is arranged in the middle of the regulating seat 9.1 in a sealing manner, a sealing element 9.3 with the diameter gradually reduced is arranged at the upper end portion of the regulating valve core 9.2, and the sealing element 9.3 extends into the second damping hole 9.4. The lower end of the adjusting valve core 9.2 is fixedly provided with a knob 16, and the cylinder body 1 is filled with high-pressure nitrogen.
The utility model discloses a working process: when the piston 2 needs to be buffered and damped due to impact, the piston rod 3 moves backwards and synchronously to enable the piston 2 to compress the gas in the cylinder body 1, at the moment, the elastic part 18 is also in a compressed state, the gas enters the second containing cavity 12 through the first through hole 8.2, the first damping hole 8.6 and the second through hole 8.7 while the piston 2 compresses the gas, and simultaneously enters the first containing cavity 11 through the first through hole 8.2, the first damping hole 8.6, the third through hole 9.5 and the second damping hole 9.4, because the gas in the cylinder body 1 cannot rapidly enter the first containing cavity 11 and the second containing cavity 12 when the first damping hole 8.6 is compressed, the pressure in the cylinder body 1 plays a role in buffering and damping, when the piston rod 3 is over-calibrated due to violent impact, namely when the pressure of the gas acting on the damping plate 8.4 is greater than the pressure of the compression spring 8.5, the damping plate 8.4 is separated from the fixed seat 8.1, the gas can enter the second containing cavity 12 through the first through hole 8.2 and the second through hole 8.7, and enter the first containing cavity 11 through the first through hole 8.2, the third through hole 9.5 and the second damping hole 9.4. When the buffer shock absorber is used, the adjusting valve core 9.2 can be rotated through the knob 16, and then the matching relation between the sealing element 9.3 and the second damping hole 9.4 is adjusted, namely the conduction area of the second damping hole 9.4 is adjusted, so that the speed and the space of the gas in the cylinder body 1 entering the first container are adjusted, and the buffer shock absorption effect of the buffer shock absorber is adjusted.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which are within the scope of the present invention.
Claims (7)
1. A valve-replaceable buffer shock absorber comprises a cylinder body, a piston and a piston rod, wherein the piston is movably arranged in the cylinder body, the piston rod is fixed with the piston, one end of the piston rod, which is far away from the piston, penetrates out of one end of the cylinder body, and the valve-replaceable buffer shock absorber is characterized by also comprising an installation seat, an outer shell and a middle shell, wherein the outer shell and the middle shell are both fixed with the installation seat in a sealing way, the outer shell is coaxially and fixedly sleeved outside the cylinder body, the middle shell is coaxially and fixedly arranged between the cylinder body and the outer shell, a first containing cavity is arranged between the middle shell and the outer shell, a second containing cavity is arranged between the cylinder body and the middle shell, a buffer component is arranged at the other end of the cylinder body, the buffer component comprises a fixed seat, and the fixed seat is provided with a first through hole, the fixing base and the mounting base are fixed, the fixing base is provided with a damping plate, the damping plate is provided with a first damping hole corresponding to the first through hole and with the inner diameter smaller than the inner diameter of the first through hole, the second accommodating cavity is communicated with the interior of the cylinder body through the first damping hole, the mounting base is detachably provided with a pressure regulating valve assembly, the pressure regulating valve assembly is provided with a second damping hole, and the first accommodating cavity is communicated with the interior of the cylinder body through the second damping hole and the first damping hole.
2. The shock absorber with the replaceable valve body as claimed in claim 1, wherein the fixing seat is provided with a fixing shaft, the damping plate is movably sleeved outside the fixing shaft, a compression spring for compressing the damping plate is further sleeved at a rear end of the fixing shaft, the compression spring abuts against the damping plate and a rear end of the fixing shaft respectively, and a second through hole communicated with the first damping hole and the second accommodating cavity is formed in the rear end of the fixing seat.
3. The shock absorber with the replaceable valve body as claimed in claim 1, wherein the mounting seat is provided with a mounting cavity, the pressure regulating valve assembly is arranged in the mounting cavity, the pressure regulating valve assembly comprises a regulating valve core and a hollow regulating seat, the regulating seat is fixedly arranged in the mounting cavity in a sealing manner, the second damping hole is formed in the upper end portion of the regulating seat, the second damping hole is communicated with the first accommodating cavity, the regulating seat is further provided with a third through hole for communicating the second damping hole with the first damping hole, the regulating valve core is arranged in the middle of the regulating seat in a sealing manner, a sealing member with the diameter gradually reduced is arranged at the upper end portion of the regulating valve core, and the sealing member extends into the second damping hole.
4. The shock absorber with the replaceable valve body as claimed in claim 3, wherein a knob is fixedly arranged at the lower end of the regulating valve core.
5. The shock absorber with the replaceable valve body as claimed in claim 1, wherein a sealing plug is disposed at a front end of the outer shell, and the sealing plug is fixed to the front ends of the outer shell, the intermediate shell and the cylinder body in a sealing manner.
6. The shock absorber with the replaceable valve body as claimed in claim 5, wherein a limiting member is disposed at an end of the piston rod away from the piston, an elastic member is sleeved outside the piston rod extending out of the cylinder body, and two ends of the elastic member respectively abut against the limiting member and the sealing plug.
7. The shock absorber with the replaceable valve body as claimed in claim 3, wherein the adjusting seat is provided with a limiting groove, the mounting seat is provided with a limiting hole, and a limiting bolt matched with the limiting groove is arranged in the limiting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121566368.6U CN217481828U (en) | 2021-07-09 | 2021-07-09 | Valve body replaceable buffering shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121566368.6U CN217481828U (en) | 2021-07-09 | 2021-07-09 | Valve body replaceable buffering shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217481828U true CN217481828U (en) | 2022-09-23 |
Family
ID=83302146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121566368.6U Active CN217481828U (en) | 2021-07-09 | 2021-07-09 | Valve body replaceable buffering shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217481828U (en) |
-
2021
- 2021-07-09 CN CN202121566368.6U patent/CN217481828U/en active Active
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