CN220488177U - Adjustable truck cab shock absorber - Google Patents
Adjustable truck cab shock absorber Download PDFInfo
- Publication number
- CN220488177U CN220488177U CN202320887897.9U CN202320887897U CN220488177U CN 220488177 U CN220488177 U CN 220488177U CN 202320887897 U CN202320887897 U CN 202320887897U CN 220488177 U CN220488177 U CN 220488177U
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- damping
- air
- oil
- chamber
- cavity
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- 230000035939 shock Effects 0.000 title claims description 27
- 239000006096 absorbing agent Substances 0.000 title claims description 22
- 238000013016 damping Methods 0.000 claims abstract description 88
- 230000033001 locomotion Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
Abstract
The utility model provides an adjustable truck cab damper, which comprises a damper rod and a damper cylinder, wherein the damper rod is provided with opposite two ends, one end of the damper rod is a damping end, and the damping end extends into the damper cylinder; the bottom of the damping cavity is communicated with a damping adjusting component; the damping adjustment assembly includes a pneumatic adjustment portion and an oil pressure adjustment portion that is communicated to the damping chamber and is defined in a position where it is formed by the pneumatic adjustment portion to vary an oil pressure of the damping chamber. According to the utility model, the oil pressure in the damping cavity is regulated by the oil pressure regulating part to realize the regulation of damping.
Description
Technical Field
The utility model belongs to the field of damping type shock absorbers, and particularly relates to an adjustable truck cab shock absorber.
Background
The existing truck cab shock absorber is composed of an external spiral spring and an internal hydraulic shock absorber of the external spring, the external spiral spring and the internal hydraulic shock absorber of the external spring are arranged between a cab and a frame, the springs and the hydraulic shock absorber bear impact force from a road surface when the truck runs together, and rigid impact between the cab and the frame is isolated.
Then the shock absorber that current truck driver's cabin used does not possess the effect of adjusting shock attenuation buffering, can influence truck driver's cabin's travelling comfort and stationarity, when going on the road surface of different road conditions simultaneously, can't provide good travelling comfort for the driver's cabin effectively.
In view of this, there is a need to provide an adjustable truck cab damper to adjust damping according to different road conditions, thereby providing good comfort for the driver.
Disclosure of Invention
Therefore, the technical problem to be solved by the utility model is to provide an adjustable truck cab shock absorber, which adjusts damping according to different road conditions and provides good comfort for drivers.
The technical aim of the utility model is realized by the following scheme:
the adjustable truck cab damper comprises a damper rod and a damper cylinder, wherein the damper rod is provided with opposite two ends, one end of the damper rod is a damping end, the damping end extends into the damper cylinder, a cavity formed in the damper cylinder is separated by the damping end to form an air cavity and a damping cavity, and damping oil is filled in the damping cavity; the bottom of the damping cavity is communicated with a damping adjusting component;
the damping adjustment assembly includes a pneumatic adjustment portion and an oil pressure adjustment portion that is communicated to the damping chamber and is defined in a position where it is formed by the pneumatic adjustment portion to vary an oil pressure of the damping chamber.
Preferably, the damping adjusting part comprises an oil cavity part, an oil valve part and a pressure changing part, wherein the oil cavity part is positioned at the bottom of the damping cavity;
the oil valve piece is arranged in the oil cavity piece in a sliding mode, the oil valve piece is provided with a plurality of connecting holes, the connecting holes are connected with the damping cavity, each connecting hole is connected with an oil duct and is connected to the pressure changing piece through an oil duct main pipe, and a plurality of oil storage cavities with different preset oil pressures are arranged in the pressure changing piece;
and the oil valve member forms an air chamber at one side of the sliding direction of the oil valve member, and the air chamber is connected with the pneumatic adjusting part.
Preferably, the pneumatic adjusting part comprises an air passage and an air source, and the air source is connected with the air chamber through the air passage
The air source comprises an active air source and a passive air source, the air passage comprises a first air passage and a second air passage,
the active air source is connected to the air chamber of the oil valve through the first air passage;
the passive gas source is connected to the gas chamber of the oil valve member through the second gas passage.
Preferably, the shock absorber further comprises a spring assembly, wherein the spring assembly is arranged along the movement direction of the shock absorber rod.
Preferably, the spring assembly comprises a first spring and a second spring, the first spring is sleeved on the rod body part of the damping rod, the damping rod is located at the air cavity, the second spring is sleeved outside the damping cylinder, one end of the second spring is connected with the end part of the damping rod, and the other end of the second spring is connected with a joint formed by the outer wall of the damping cylinder.
Preferably, the active air source is an air pump, the air pump is arranged in the variable compression part, and the first air passage is arranged in the oil passage main pipe.
Preferably, the passive air source is the air cavity, the second air channel is arranged in the inner wall of the shock absorption cylinder, one end of the second air channel is connected with the air cavity, and the other end of the second air channel is connected to the air chamber.
Preferably, the air valve is used for controlling the opening and closing of the first air passage and the second air passage.
Compared with the prior art, the technical scheme provided by the utility model has the following advantages:
the adjustable truck cab shock absorber provided by the utility model realizes the oil pressure adjustment of the damping cavity.
Drawings
FIG. 1 is a schematic illustration of an adjustable truck cab damper provided by an embodiment of the present utility model;
wherein, 1, a damping cylinder; 2. a shock-absorbing rod; 3. an air cavity; 4. a damping chamber; 5. an oil chamber member; 6. an oil valve member; 7. a transformer; 8. a gas chamber; 9. a connection hole; 10. a first airway; 11. a second airway; 12. and an oil storage cavity.
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.
The embodiment provides an adjustable truck cab damper, as shown in fig. 1, which comprises a damper rod and a damper cylinder, wherein the damper rod is provided with opposite two ends, one end of the damper rod is a damping end, the damping end stretches into the damper cylinder, a cavity formed in the damper cylinder is separated by the damping end to form an air cavity and a damping cavity, and damping oil is filled in the damping cavity; the bottom of the damping cavity is communicated with a damping adjusting component;
the damping adjustment assembly includes a pneumatic adjustment portion and an oil pressure adjustment portion that is communicated to the damping chamber and is defined in a position where it is formed by the pneumatic adjustment portion to vary an oil pressure of the damping chamber.
Preferably, the damping adjusting part comprises an oil cavity part, an oil valve part and a pressure changing part, wherein the oil cavity part is positioned at the bottom of the damping cavity and in the damping cavity;
the oil valve piece is in the interior sliding setting of oil pocket spare, just the oil valve piece is equipped with a plurality of connecting holes, the connecting hole form with the connection of damping chamber, and every the connecting hole all connects the oil duct and is connected to the transformer through the oil duct house steward, be equipped with a plurality of oil storage chambers that predetermine the oil pressure is different in the transformer, only show one of them oil storage chamber in the figure of this embodiment, also only show the connection of two connecting holes and oil duct house steward, the actual quantity of oil storage chamber corresponds with the quantity of connecting hole, deserves to say that this setting is adjusted according to actual demand.
And the oil valve member forms an air chamber at one side of the sliding direction of the oil valve member, and the air chamber is connected with the pneumatic adjusting part.
Preferably, the pneumatic adjusting part comprises an air passage and an air source, and the air source is connected with the air chamber through the air passage
The air source comprises an active air source and a passive air source, the air passage comprises a first air passage and a second air passage,
the active air source is connected to the air chamber of the oil valve through the first air passage;
the passive gas source is connected to the gas chamber of the oil valve member through the second gas passage.
Preferably, the shock absorber further comprises a spring assembly, wherein the spring assembly is arranged along the movement direction of the shock absorber rod.
Preferably, the spring assembly comprises a first spring and a second spring, the first spring is sleeved on the rod body part of the damping rod, the damping rod is located at the air cavity, the second spring is sleeved outside the damping cylinder, one end of the second spring is connected with the end part of the damping rod, and the other end of the second spring is connected with a joint formed by the outer wall of the damping cylinder. The use of springs in damping devices is a common technical feature in the art, and therefore their connection is not described in detail herein.
Preferably, the active air source is an air pump, the air pump is arranged in the variable compression part, and the first air passage is arranged in the oil passage main pipe.
Preferably, the passive air source is the air cavity, the second air channel is arranged in the inner wall of the shock absorption cylinder, one end of the second air channel is connected with the air cavity, and the other end of the second air channel is connected to the air chamber.
Preferably, the air valve (not shown in the figure) is further included, and the air valve is used for controlling the opening and closing of the first air passage and the second air passage.
The working principle of this embodiment is as follows:
under the action of stress, the damping rod moves in the damping cylinder, and the damping end of the damping rod is damped in the damping cavity filled with damping oil, so that the damping function is realized.
Under the effect of initiative air supply, the pneumatic valve is opened, pumps air to the air chamber in, and the oil valve spare is at this moment in the oil pocket spare internal motion, owing to be provided with a plurality of connecting holes on the oil valve spare, and each connecting hole all connects the oil duct and is connected to the vary voltage spare through the oil duct house steward, be equipped with a plurality of oil storage chambers that predetermine the oil pressure is different in the vary voltage spare, when consequently different connecting holes are connected to the damping chamber, because the pressure in the oil storage chamber is different, can make the damping after damping chamber and the oil storage chamber balance also different, consequently realized the regulation of damping.
Under the effect of passive air source, the pneumatic valve is opened, and the shock attenuation pole is when the motion, and the air pressure in the air cavity also changes because the volume change of air cavity leads to this moment, when being connected to the air chamber through the second air flue this moment, because the atmospheric pressure balances, under the effect of outside atmospheric pressure, the oil valve spare also can take place to move, leads to the oil valve spare to be connected to the damping chamber through different connecting holes to also adjusted the damping.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (8)
1. An adjustable truck cab damper comprising a damper rod and a damper cylinder, wherein the damper rod has opposite ends, one end of the damper rod is a damping end, the damping end extends into the damper cylinder, the adjustable truck cab damper is characterized in that,
the damping cylinder is characterized in that a cavity formed in the damping cylinder is separated by the damping end to form an air cavity and a damping cavity, and damping oil is filled in the damping cavity; the bottom of the damping cavity is communicated with a damping adjusting component;
the damping adjustment assembly includes a pneumatic adjustment portion and an oil pressure adjustment portion that is communicated to the damping chamber and is defined in a position where it is formed by the pneumatic adjustment portion to vary an oil pressure of the damping chamber.
2. The adjustable truck cab shock absorber according to claim 1, wherein said damping adjustment portion comprises an oil chamber member, an oil valve member and a variable pressure member, said oil chamber member being located at a bottom of said damping chamber;
the oil valve piece is arranged in the oil cavity piece in a sliding mode, the oil valve piece is provided with a plurality of connecting holes, the connecting holes are connected with the damping cavity, each connecting hole is connected with an oil duct and is connected to the pressure changing piece through an oil duct main pipe, and a plurality of oil storage cavities with different preset oil pressures are arranged in the pressure changing piece;
and the oil valve member forms an air chamber at one side of the sliding direction of the oil valve member, and the air chamber is connected with the pneumatic adjusting part.
3. The adjustable truck cab shock absorber according to claim 2, wherein said pneumatic adjustment comprises an air passage and an air source, said air source being connected to said air chamber by said air passage;
the air source comprises an active air source and a passive air source, the air passage comprises a first air passage and a second air passage,
the active air source is connected to the air chamber of the oil valve through the first air passage;
the passive gas source is connected to the gas chamber of the oil valve member through the second gas passage.
4. The adjustable truck cab shock absorber according to claim 1, further comprising a spring assembly disposed along a direction of movement of said shock rod.
5. The adjustable truck cab damper of claim 4, wherein the spring assembly comprises a first spring and a second spring, the first spring is sleeved on the rod body of the damping rod at the air cavity, the second spring is sleeved outside the damping cylinder, one end of the second spring is connected with the end of the damping rod, and the other end of the second spring is connected with a joint formed by the outer wall of the damping cylinder.
6. The adjustable truck cab shock absorber according to claim 3, wherein said active air source is an air pump, said air pump is disposed within said plenum, and said first air passage is disposed in an oil gallery manifold.
7. The adjustable truck cab shock absorber according to claim 3, wherein said passive air source is said air chamber, said second air passage is provided in an inner wall of said shock absorber tube, and one end of said second air passage is connected to said air chamber, and the other end is connected to said air chamber.
8. The adjustable truck cab shock absorber according to claim 3, further comprising a gas valve for controlling the opening and closing of said first and second gas passages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320887897.9U CN220488177U (en) | 2023-04-19 | 2023-04-19 | Adjustable truck cab shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320887897.9U CN220488177U (en) | 2023-04-19 | 2023-04-19 | Adjustable truck cab shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220488177U true CN220488177U (en) | 2024-02-13 |
Family
ID=89830449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320887897.9U Active CN220488177U (en) | 2023-04-19 | 2023-04-19 | Adjustable truck cab shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220488177U (en) |
-
2023
- 2023-04-19 CN CN202320887897.9U patent/CN220488177U/en active Active
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