CN214999035U - Perforated variable damping viscous damper - Google Patents
Perforated variable damping viscous damper Download PDFInfo
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- CN214999035U CN214999035U CN202023266725.5U CN202023266725U CN214999035U CN 214999035 U CN214999035 U CN 214999035U CN 202023266725 U CN202023266725 U CN 202023266725U CN 214999035 U CN214999035 U CN 214999035U
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Abstract
The utility model discloses a trompil formula variable damping viscid attenuator, include: the wall thickness layer of the main cylinder barrel is provided with a first additional channel which is axially communicated along the wall thickness layer; a first through hole and a second through hole which are radially communicated along the main cylinder barrel are arranged on the main cylinder barrel at intervals; the first additional channel is communicated with the first through hole and the second through hole; the piston rod penetrates through the accommodating cavity along the axial direction of the piston rod; the piston rod can move along the axial direction of the piston rod; the piston is fixedly sleeved on the outer side of the piston rod and is attached to the inner wall surface of the main cylinder barrel; the piston is provided with a damping channel which is axially communicated along the piston, and the damping channel is communicated with the accommodating cavity; when the piston rod is located at the first position, the first through hole, the second through hole and the first additional channel are communicated with the accommodating cavity; when the piston rod is located at the second position, the piston closes the first through hole. The on-off of the additional channel is realized by the change of the sliding position of the piston in the main cylinder barrel, so that different damping coefficients are achieved, and the effect of variable damping is realized in a short stroke.
Description
Technical Field
The utility model belongs to the technical field of viscous damper, concretely relates to trompil formula variable damping viscous damper.
Background
At present, the existing variable damping viscous fluid damper generally realizes the change of the damping coefficient through a variable cross section, so that the damper is required to have a longer stroke, and in the actual installation process, the space of the damper is limited by a plurality of factors, and the stroke is often not conditioned to be longer, so that the variable damping of the viscous fluid damper in a short stroke is often difficult to realize.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.
Therefore, the utility model provides a trompil formula becomes viscous damper of damping, this viscous damper can realize the effect of becoming the damping in the short stroke, and sets up simply, the operation of being convenient for.
According to the utility model discloses trompil formula becomes viscous damper of damping, include: the inner part of the main cylinder barrel is hollow, an accommodating cavity with openings at two ends is formed, and a first additional channel which is axially communicated along the wall thickness layer of the main cylinder barrel is arranged on the wall thickness layer of the main cylinder barrel; the main cylinder barrel is provided with a first through hole and a second through hole which are communicated along the radial direction of the main cylinder barrel at intervals; the first additional channel is communicated with the first through hole and the second through hole; the piston rod penetrates through the accommodating cavity along the axial direction of the piston rod; the piston rod can move along the axial direction of the piston rod; the piston is fixedly sleeved on the outer side of the piston rod and is attached to the inner wall surface of the main cylinder barrel; the piston is provided with a damping channel which is axially communicated along the piston, and the damping channel is communicated with the accommodating cavity; when the piston rod is located at a first position, the first through hole, the second through hole and the first additional channel are communicated with the accommodating cavity; when the piston rod is located at the second position, the piston closes the first through hole.
According to the utility model discloses trompil formula damping viscous damper, through set up first additional passageway on the wall thick layer at the main cylinder section of thick bamboo, through first through-hole and second through-hole, damping fluid can flow at first additional passageway and holding the intracavity, utilizes the piston to slide position's change in the main cylinder section of thick bamboo to realize the break-make of additional passageway to reach the purpose of different damping coefficient, can realize the effect of damping in the short stroke, and set up simply, the operation of being convenient for.
According to an embodiment of the present invention, a second additional channel is further disposed on the wall thickness layer of the main cylinder, and the second additional channel is symmetrically disposed with the first additional channel along the axis of the main cylinder; and the main cylinder barrel is also provided with a third through hole and a fourth through hole which are radially communicated along the main cylinder barrel at intervals, and the second additional channel is communicated with the third through hole and the fourth through hole.
According to an embodiment of the present invention, when the piston rod is located at the second position, the piston can further close the fourth through hole.
According to the utility model discloses an embodiment, trompil formula becomes damping viscous damper still includes: and the auxiliary cylinder barrel is connected with one end of the main cylinder barrel, and one end of the main cylinder barrel is sealed.
According to the utility model discloses an embodiment, trompil formula becomes damping viscous damper still includes: the first guide sleeve is sleeved on the periphery of the piston rod and located between the main cylinder barrel and the auxiliary cylinder barrel, first sealing grooves are formed in the inner side and the outer side of the first guide sleeve, and first sealing rings are installed in the first sealing grooves.
According to the utility model discloses an embodiment, trompil formula becomes damping viscous damper still includes: the second guide sleeve is sleeved on the periphery of the piston rod and located at the other end of the main cylinder barrel, and is tightly attached to the inner wall surface of the main cylinder barrel, second seal grooves are formed in the inner side and the outer side of the second guide sleeve, and second seal rings are mounted in the second seal grooves; and the packaging piece is sleeved on the periphery of the piston rod, is arranged adjacent to the second guide sleeve and seals the other end of the main cylinder barrel.
According to the utility model discloses an embodiment, trompil formula becomes damping viscous damper still includes: and the end part high-pressure plug seals the channel openings of the first additional channel and the second additional channel.
According to the utility model discloses an embodiment, trompil formula becomes damping viscous damper still includes: and the lateral high-pressure plug seals the first through hole, the second through hole, the third through hole and the fourth through hole.
According to the utility model discloses an embodiment, trompil formula becomes damping viscous damper still includes: the first joint bearing is connected with the end part of the auxiliary cylinder barrel; and the second joint bearing is connected with one end of the piston rod, and the other end of the piston rod can extend into the auxiliary cylinder barrel.
According to the utility model discloses an embodiment, all be equipped with hoist and mount screw hole on first joint bearing and the second joint bearing.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic cross-sectional view of an open-cell variable damping viscous damper according to an embodiment of the present invention.
Reference numerals:
an open-cell variable damping viscous damper 100;
a main cylinder 10; a housing chamber 11; a first additional channel 12; a first through-hole 121; a second through hole 122;
a second additional channel 13; a third through hole 131; a fourth through-hole 132;
a piston rod 30; a piston 31; a damping channel 311;
a first guide sleeve 32; a second guide sleeve 33; a package member 34; a pressure plate 35, a half ring member 36, a damping rod 37 and a piston connecting bolt 38;
the auxiliary cylinder barrel is connected with a single lug 40; a first joint bearing 41; a second joint bearing 42; hoisting the threaded hole 401;
an end high pressure plug 50;
a lateral high pressure plug 60.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The open-cell variable damping viscous damper 100 according to an embodiment of the present invention will be described in detail with reference to the drawings.
As shown in fig. 1, the open-cell variable damping viscous damper 100 according to the embodiment of the present invention includes: a main cylinder 10, a piston rod 30 and a piston 31.
Specifically, the main cylinder 10 is hollow, and forms an accommodating cavity 11 with two open ends, and a first additional channel 12 running through along the axial direction of the main cylinder 10 is arranged on the wall thickness layer of the main cylinder 10; a first through hole 121 and a second through hole 122 which are radially penetrated along the main cylinder barrel 10 are arranged on the main cylinder barrel at intervals; the first additional passage 12 communicates with the first through hole 121 and the second through hole 122; the piston rod 30 penetrates through the accommodating cavity 11 along the axial direction thereof; the piston rod 30 is movable in its axial direction; the piston 31 is fixedly sleeved on the outer side of the piston rod 30 and is attached to the inner wall surface of the main cylinder barrel 10; the piston 31 is provided with a damping channel 311 which is axially communicated with the piston, and the damping channel 311 is communicated with the accommodating cavity 11; when the piston rod 30 is located at the first position, the first through hole 121, the second through hole 122 and the first additional passage 12 communicate with the accommodating chamber 11; when the piston rod 30 is in the second position, the piston 31 closes the first through hole 121.
In other words, the open-cell variable damping viscous damper 100 according to the embodiment of the present invention mainly comprises the main cylinder 10, the piston rod 30, the piston 31, and the sub-dry cylinder. The main cylinder barrel 10 is hollow, a containing cavity 11 with two open ends is formed, damping liquid is located in the containing cavity 11, the piston 31 is sleeved on the periphery of the piston rod 30 and arranged in the containing cavity 11 and tightly attached to the inner wall surface of the main cylinder barrel 10, the piston 31 is provided with a damping channel 311 running through in the axial direction of the piston, the damping channel 311 is communicated with the containing cavity 11, and the damping liquid in the containing cavity 11 can flow through in the damping channel 311. The piston rod 30 is capable of reciprocating in the axial direction thereof, the accommodating chamber 11 is partitioned into two chambers by the piston 31, and when the piston rod 30 is moved, the damping fluid can flow in the two chambers through the damping passage 311.
Further, the wall thickness layer of the main cylinder 10 is provided with a first additional channel 12 which penetrates along the axial direction thereof, and the main cylinder 10 is provided with a first through hole 121 and a second through hole 122 which penetrate along the radial direction thereof at an interval, that is, penetrate through the inner wall surface of the main cylinder 10. The first additional passage 12 communicates with the first through hole 121 and the second through hole 122. The first through hole 121 and the second through hole 122 are communicated with the accommodating cavity 11, and the damping fluid can flow through the first through hole 121, the second through hole 122 and the first additional channel 12, because the piston 31 is tightly attached to the inner wall surface of the master cylinder barrel 10, when the piston 31 moves to the first through hole 121 or the second through hole 122, the first through hole 121 or the second through hole 122 can be closed, and the damping fluid can only flow through the damping channel 311.
When the piston rod 30 is located at the first position, the first through hole 121, the second through hole 122 and the first additional passage 12 communicate with the accommodating chamber 11; when the piston rod 30 is in the second position, the piston 31 closes the first through hole 121. Specifically, the first position is between the first through hole 121 and the second through hole 122. When the damping fluid can flow through the first through hole 121, the second through hole 122, and the first surplus passage 12, the damping coefficient at this time is small. When the piston 31 seals the first through hole 121, the damping liquid can only flow through the damping channel 311, the damping coefficient is increased, and the on-off of different oil paths is realized by utilizing the change of the sliding position of the piston 31 in the main cylinder 10, so that the purpose of different damping coefficients is achieved, and the effect of variable damping can be realized in a short stroke.
It should be noted that the inner diameters of the first through hole 121, the second through hole 122, the first additional channel 12 and the damping channel 311 can be set according to requirements, and the distance between the first through hole 121 and the second through hole 122 can also be designed according to specific requirements. The first additional channel 12 may also be a plurality of through holes corresponding to the first additional channel and communicating with the accommodating cavity 11, and the spacing distance and the orientation of the through holes are set according to specific requirements.
Therefore, according to the utility model discloses open cell type damping viscous damper 100, through set up first additional passageway 12 on the wall thick layer at main cylinder section of thick bamboo 10, through first through-hole 121 and second through-hole 122, damping fluid can flow in first additional passageway 12 and holding chamber 11, utilize piston 31 to slide position's change in main cylinder section of thick bamboo 10 and realize the break-make of additional passageway, thereby reach the purpose of different damping coefficient, can realize the effect of damping change in the short stroke, and set up simply, the operation of being convenient for.
As shown in fig. 1, the piston rod 30 is further provided with a pressure plate 35, a half ring member 36, a damping rod 37 and a piston connecting bolt 38. The damping rod 37 is provided with a through hole communicating with the damping channel.
In the specific embodiment of the present invention, a second additional channel 13 is further disposed on the wall thickness layer of the main cylinder 10, and the second additional channel 13 is symmetrically disposed with the first additional channel 12 along the axis of the main cylinder 10; the main cylinder 10 is further provided with a third through hole 131 and a fourth through hole 132 at intervals, which are radially penetrated, and the second additional channel 13 is communicated with the third through hole 131 and the fourth through hole 132.
Further, when the piston rod 30 is located at the second position, the piston 31 can also close the fourth through hole 132. That is, by using the change of the sliding position of the piston 31 in the master cylinder 10 to open and close different oil passages, the purpose of different damping coefficients is achieved, and the effect of variable damping can be achieved in a short stroke. As shown in fig. 1, that is, when the piston 31 is located in the middle of the main cylinder 10, the fourth through hole 132 and the first through hole 121 are just blocked, and the damping fluid can only flow through the damping passage 311. When the piston 31 is located on both sides of the main cylinder 10, at least one of the first additional channel 12 and the second additional channel 13 is in fluid communication, and the damping fluid can flow through the additional channels in addition to the damping channel 311, so that the damping coefficient is significantly changed.
According to the utility model discloses an embodiment, trompil formula variable damping viscous damper 100 still includes: and an auxiliary cylinder 20, wherein the auxiliary cylinder 20 is connected with one end of the main cylinder 10 and seals one end of the main cylinder 10.
In a specific embodiment of the present invention, the open-cell variable damping viscous damper 100 further comprises: the first guide sleeve 32 is sleeved on the periphery of the piston rod 30 and located between the main cylinder barrel 10 and the auxiliary cylinder barrel 20, first sealing grooves are formed in the inner side and the outer side of the first guide sleeve, and a first sealing ring is installed in each first sealing groove.
Further, the open-cell variable damping viscous damper 100 further comprises a second guide sleeve 33 and a packaging part 34, the second guide sleeve 33 is sleeved on the periphery of the piston rod 30 and located at the other end of the main cylinder barrel 10 and closely attached to the inner wall surface of the main cylinder barrel 10, a second sealing groove is formed in the inner side and the outer side of the second guide sleeve, and a second sealing ring is installed in the second sealing groove. The packing member 34 is disposed around the piston rod 30 and adjacent to the second guide sleeve 33 to close the other end of the main cylinder 10.
Optionally, the open-cell variable damping viscous damper 100 further comprises: an end high-pressure plug 50, wherein the end high-pressure plug 50 closes the passage openings of the first additional passage 12 and the second additional passage 13.
Further, the open-cell type variable damping viscous damper 100 further includes: the lateral high-pressure plug 60 seals the first through hole 121, the second through hole 122, the third through hole 131 and the fourth through hole 132 through the lateral high-pressure plug 60.
According to an embodiment of the present invention, the open-cell type variable damping viscous damper 100 further includes a first joint bearing 41 and a second joint bearing 42, the first joint bearing 41 is connected with the end of the auxiliary cylinder barrel 20; the second joint bearing 42 is connected to one end of the piston rod 30, and the other end of the piston rod 30 can extend into the auxiliary cylinder 20.
Further, the first joint bearing 41 and the second joint bearing 42 are both provided with hoisting threaded holes 401, so that the damper can be conveniently installed in a specific scene, such as hoisting and the like.
In the working process, taking the figure as an example, as shown in fig. 1, the damper is in an original state that the piston 31 abuts against the first guide sleeve 32, the damping liquid is located between the piston 31 and the second guide sleeve 33, and the piston 31 closes the third through hole 131. When a pulling force pulls the piston rod 30, the piston 31 is far away from the end of the auxiliary cylinder 20, the third through hole 131 is opened, and at this time, the damping fluid can flow into between the piston 31 and the first guide sleeve through the damping channel 311, and also flow out from the third through hole 131 to between the piston 31 and the first guide sleeve through the fourth through hole 132 and the second additional channel 13, and at this time, the damping fluid is present on both the left side and the right side of the piston 31. When the piston 31 is located in the middle of the cylinder, the piston 31 seals the first through hole 121 and the fourth through hole 132, and at this time, the damping fluid can only flow through the damping channel 311, and the damping coefficient is maximum at this time. The piston rod 30 is pulled outwards continuously, the first through hole 121 is opened at the moment, the damping liquid can flow into the space between the piston 31 and the first outward sleeve through the damping channel 311, and also flows out from the first through hole 121 to the space between the piston 31 and the first outward sleeve through the second through hole 122 and the first additional channel 12, the damping coefficient is reduced at the moment, the damping effect is provided for the damper, and the damper is prevented from being kept in a large damping state all the time, so that the device is damaged. Finally, when the piston 31 is stopped against the second guide sleeve 33, the damping fluid is entirely located between the piston 31 and the first guide sleeve 32.
In summary, according to the open-cell variable damping viscous damper 100 of the embodiment of the present invention, a simple oil path is first realized by opening a hole and a high-pressure plug on the main cylinder 10, and then the on/off of different oil paths is realized by using the change of the sliding position of the piston 31 in the main cylinder 10, so as to achieve the purpose of different damping coefficients. The size and the spacing of the holes can be designed according to actual conditions, variable damping effects with different requirements can be realized, and the variable damping effect can be realized in a short stroke, so that the damper can be applied to a scene with limited space, and the damper has the advantages of high applicability and the like.
Other structures and operations of the open-cell variable damping viscous damper according to embodiments of the present invention will be understood and readily implemented by those skilled in the art, and therefore will not be described in detail.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. An open-cell variable damping viscous damper, comprising:
the inner part of the main cylinder barrel is hollow, an accommodating cavity with openings at two ends is formed, and a first additional channel which is axially communicated along the wall thickness layer of the main cylinder barrel is arranged on the wall thickness layer of the main cylinder barrel; the main cylinder barrel is provided with a first through hole and a second through hole which are communicated along the radial direction of the main cylinder barrel at intervals; the first additional channel is communicated with the first through hole and the second through hole;
the piston rod penetrates through the accommodating cavity along the axial direction of the piston rod; the piston rod can move along the axial direction of the piston rod;
the piston is fixedly sleeved on the outer side of the piston rod and is attached to the inner wall surface of the main cylinder barrel; the piston is provided with a damping channel which is axially communicated along the piston, and the damping channel is communicated with the accommodating cavity;
when the piston rod is located at a first position, the first through hole, the second through hole and the first additional channel are communicated with the accommodating cavity;
when the piston rod is located at the second position, the piston closes the first through hole.
2. The open-cell variable damping viscous damper of claim 1, wherein a second additional channel is further provided on the wall thickness layer of the main cylinder, and the second additional channel is symmetrically arranged with the first additional channel along the axis of the main cylinder;
and the main cylinder barrel is also provided with a third through hole and a fourth through hole which are radially communicated along the main cylinder barrel at intervals, and the second additional channel is communicated with the third through hole and the fourth through hole.
3. The open-cell, variable damping viscous damper of claim 2, wherein the piston is further configured to close the fourth through-hole when the piston rod is in the second position.
4. The open-cell, variable damping viscous damper of claim 3, further comprising: and the auxiliary cylinder barrel is connected with one end of the main cylinder barrel, and one end of the main cylinder barrel is sealed.
5. The open-cell, variable damping viscous damper of claim 4, further comprising: the first guide sleeve is sleeved on the periphery of the piston rod and located between the main cylinder barrel and the auxiliary cylinder barrel, first sealing grooves are formed in the inner side and the outer side of the first guide sleeve, and first sealing rings are installed in the first sealing grooves.
6. The open-cell, variable damping viscous damper of claim 5, further comprising:
the second guide sleeve is sleeved on the periphery of the piston rod and located at the other end of the main cylinder barrel, second seal grooves are formed in the inner side and the outer side of the second guide sleeve, and second seal rings are installed in the second seal grooves;
and the packaging piece is sleeved on the periphery of the piston rod, is arranged adjacent to the second guide sleeve and seals the other end of the main cylinder barrel.
7. The open-cell, variable damping viscous damper of claim 6, further comprising: and the end part high-pressure plug seals the channel openings of the first additional channel and the second additional channel.
8. The open cell, variable damping viscous damper of claim 7, further comprising: and the lateral high-pressure plug seals the first through hole, the second through hole, the third through hole and the fourth through hole.
9. The open-cell, variable damping viscous damper of claim 8, further comprising:
the first joint bearing is connected with the end part of the auxiliary cylinder barrel;
and the second joint bearing is connected with one end of the piston rod, and the other end of the piston rod can extend into the auxiliary cylinder barrel.
10. The open-cell variable damping viscous damper of claim 9, wherein the first knuckle bearing and the second knuckle bearing are provided with threaded lifting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023266725.5U CN214999035U (en) | 2020-12-30 | 2020-12-30 | Perforated variable damping viscous damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023266725.5U CN214999035U (en) | 2020-12-30 | 2020-12-30 | Perforated variable damping viscous damper |
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| Publication Number | Publication Date |
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| CN214999035U true CN214999035U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023266725.5U Active CN214999035U (en) | 2020-12-30 | 2020-12-30 | Perforated variable damping viscous damper |
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| CN (1) | CN214999035U (en) |
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- 2020-12-30 CN CN202023266725.5U patent/CN214999035U/en active Active
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