CN218718405U - Single-cylinder shock absorber with inner and outer cylinder structures - Google Patents
Single-cylinder shock absorber with inner and outer cylinder structures Download PDFInfo
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- CN218718405U CN218718405U CN202223039126.9U CN202223039126U CN218718405U CN 218718405 U CN218718405 U CN 218718405U CN 202223039126 U CN202223039126 U CN 202223039126U CN 218718405 U CN218718405 U CN 218718405U
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Abstract
The utility model provides a single cylinder shock absorber of interior outer cylinder structure relates to shock absorber technical field, including cylinder body and bottom, the bottom is installed on the cylinder body, the cylinder body includes outer jar and inner cylinder, is equipped with outer air storage cavity between inner cylinder and the outer jar, and outer air storage cavity sets up along cylinder body length direction, is equipped with oil storage chamber and interior air storage cavity in the inner cylinder, is equipped with floating piston between oil storage chamber and the interior air storage cavity, is connected through the intercommunication structural connection between interior air storage cavity and the outer air storage cavity, is equipped with gas filled structure on the bottom, is equipped with the piston valve in the inner cylinder, the piston valve is connected with the piston rod. The increase of the volume of the air storage cavity of the shock absorber greatly expands the pressure parameter range of the air storage cavity on the premise of ensuring the working stroke, so that the original maximum air pressure can be doubled; the shock absorber does not need to change the appearance of the shock absorber when an air storage cavity is added, avoids the occurrence of the loading interference phenomenon, is not limited by the design and the manufacturing size any more, and enables the two-stage buffering single-cylinder functional shock absorber to be applied to wider occasions.
Description
Technical Field
The utility model belongs to the technical field of the shock absorber technique and specifically relates to a single cylinder shock absorber of interior outer cylinder structure.
Background
The conventional double-cylinder shock absorber is pure oil pressure or oil-gas mixture, the buffering is realized by controlling the flow rate through a compression valve and a piston valve simultaneously during shock absorption, the shock absorption function can only be one-level buffering shock absorption, the shock absorption effect is general, and the effect of the shock absorber used in the complex road condition environment is not ideal.
The single-cylinder shock absorber separately realizes gas compression and piston valve flow control through oil-gas separation, and the use function can be calculated as secondary buffering shock absorption; however, the single cylinder only has one single cylinder, and the oil storage cavity and the air storage cavity are both positioned in the same cylinder, so that the length and the working stroke of the shock absorber body are severely limited, and a higher air pressure value cannot be designed for the single cylinder shock absorber in order to ensure that oil and air reach balanced buffering and damping parameters, so that the application occasion of the single cylinder is limited, and the application is provided aiming at the defects.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a single cylinder shock absorber of interior outer cylinder structure has solved foretell problem.
For solving the problem, the utility model provides a single cylinder shock absorber of interior outer cylinder structure, including cylinder body and bottom, the bottom is installed on the cylinder body, the cylinder body includes outer jar and inner cylinder, the inner cylinder with be equipped with outer air storage chamber between the outer jar, outer air storage chamber is followed cylinder body length direction sets up, be equipped with oil reservoir chamber and interior air storage chamber in the inner cylinder, be equipped with floating piston between oil reservoir chamber and the interior air storage chamber, interior air storage chamber with connect through the intercommunication structural connection between the outer air storage chamber, be equipped with gas filled structure on the bottom, be equipped with the piston valve in the inner cylinder, the piston valve is connected with the piston rod.
According to the utility model discloses an embodiment, outer air storage cavity encircles interior air storage cavity sets up.
According to an embodiment of the present invention, the outer air storage chamber is longer than two-thirds of the length of the cylinder body.
According to an embodiment of the present invention, the inner casing and the outer casing are provided with the reservoir therebetween, and the reservoir and the outer casing outer wall form the outer air storage chamber therebetween.
According to the utility model discloses an embodiment, the connectivity is the intercommunicating pore.
According to the utility model discloses an embodiment, the intercommunicating pore is provided with a plurality of.
According to the utility model discloses an embodiment, install the director in the cylinder body, the piston rod passes the director.
According to an embodiment of the present invention, both ends of the outer air storage chamber are respectively blocked by the guide and the bottom cover.
According to the utility model discloses an embodiment, gas filled structure is connected with interior gas storage chamber.
According to the utility model discloses an embodiment, be equipped with rings on the bottom.
The utility model has the advantages that the single cylinder is additionally provided with an outer air storage cavity, the working space of the shock absorber is greatly improved under the premise of unchanging the length of the machine body, and the length of the machine body can completely accord with the original size of a loading vehicle to design under the condition of ensuring comfortable secondary buffer vibration attenuation due to the greatly improved volume, and simultaneously, the working stroke of the shock absorber can be ensured;
the increase of the volume of the air storage cavity of the shock absorber greatly expands the pressure parameter range of the air storage cavity on the premise of ensuring the working stroke, so that the original maximum air pressure can be doubled;
the shock absorber does not need to change the appearance of the shock absorber when an air storage cavity is added, so that the occurrence of the loading interference phenomenon is avoided;
the inflating mechanism on the bottom cover can flexibly inflate and deflate, and the phenomenon of product scrapping caused by incorrect air pressure due to abnormity in the production process is reduced;
the problem of combination of the advantages of the single-cylinder shock absorber and the double-cylinder shock absorber in production and use is solved, the product use experience is improved, and the production and manufacturing cost is reduced;
the utility model discloses a shock absorber no longer receives the constraint of design, manufacturing dimension under the more excellent prerequisite of performance, makes the single cylinder function shock absorber of second grade buffering, can use more extensive occasion.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic diagram of an overall configuration of an embodiment of a single cylinder shock absorber having an inner and outer tube configuration;
FIG. 2 is a schematic diagram of the overall structure of a second embodiment of a single cylinder damper with an inner and outer cylinder structure;
FIG. 3 is a schematic view showing the structure of a bottom cover for installing an inflation nozzle in the third embodiment;
fig. 4 is a schematic structural diagram of a bottom cover provided with a rubber plug in the third embodiment.
Detailed Description
The following description is only intended to disclose the invention so as to enable any person skilled in the art to practice the invention. The embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other arrangements without departing from the spirit and scope of the invention.
[ example 1 ]
A single cylinder shock absorber with an inner cylinder structure and an outer cylinder structure comprises a cylinder body and a bottom cover 1, wherein the cylinder body comprises an outer cylinder 55 and an inner cylinder 56, an outer air storage cavity 53 is arranged between the inner cylinder 56 and the outer cylinder 55, the outer air storage cavity 53 is arranged along the length direction of the cylinder body, an air storage cavity 51 and an inner air storage cavity 52 are arranged in the inner cylinder 56, a floating piston 59 is arranged between the air storage cavity 51 and the inner air storage cavity 52, the inner air storage cavity 52 is connected with the outer air storage cavity 53 through a communicating structure 54, an inflating structure 2 is arranged on the bottom cover 1, a piston valve 57 is arranged in the inner cylinder 56, the piston valve 57 is connected with a piston rod 50, a guider 58 is arranged in the cylinder body, and the piston rod 50 penetrates through the guider 58.
The inflation structure 2 is an inflation hole or a valve.
The upper end (piston rod extending end) of the machine body is fixed by the guide device for positioning the inner cylinder and the outer cylinder and flanging the outer cylinder, and the lower end of the machine body is fixed by the bottom cover and welding.
The outer air storage chamber 53 is circular in cross section, and the outer air storage chamber 53 is arranged around the inner air storage chamber 52.
Optionally, the guide 58 blocks the left side of the outer air storage chamber 53, a plurality of sealing rings are arranged between the guide 58 and the inner wall of the inner cylinder and the inner wall of the outer cylinder, the bottom cover 1 is welded on the outer cylinder 55, a protruding edge 13 is arranged on the bottom cover 1, and the protruding edge on the bottom cover 1 extends into the outer air storage chamber 53 to block the right side of the outer air storage chamber 53.
Preferably, the length of the outer air storage chamber 53 is greater than two thirds of the length of the cylinder.
Optionally, the communicating structure 54 is a communicating hole, and the communicating hole is provided with a plurality of communicating holes and is uniformly arranged.
Optionally, the inflatable structure 2 is connected to an inner air storage chamber 52.
Preferably, the bottom cover 1 is provided with a hanging ring 6 or a mounting rack.
The utility model discloses the bottom of shock absorber adopts same bottom location inner and outer jar to the configuration gas filled structure, simple structure, production convenience on the bottom.
The implementation mode is as follows: 1. assembling an inner cylinder and an outer cylinder: welding the bottom cover and the outer cylinder, and pressing the inner cylinder with the floating piston on the bottom cover;
2. oiling and sealing riveting: injecting set oil into the oil storage cavity of the inner cylinder, then loading the piston rod guider assembly into the cavity, and performing edge turning and sealing riveting on the outer cylinder;
3. and (3) inflating and detecting: firstly, an inflating nozzle is connected to an inflating structure on the bottom cover, and then high-pressure inert gas, generally nitrogen, is inflated into the air storage cavity through the inflating nozzle; detecting gas pressure and indicator parameters after the inflation is finished;
4. and (4) finishing assembly: and (4) assembling subsequent accessories such as a sealing plug screw, a lifting ring assembly, a piston rod dust cover and the like on the product with qualified parameter detection.
[ example 2 ]
As shown in fig. 2, the cylinder body comprises an outer cylinder 55 and an inner cylinder 56, an air storage cylinder 71 is arranged between the inner cylinder 56 and the outer cylinder 55, the air storage cylinder 71 is connected to the outer wall of the inner cylinder 56 and forms the outer air storage chamber 53 therebetween, the guide 58 and the bottom cover 1 are not needed to seal the outer air storage chamber 53, so that the sealing performance is improved, and air leakage is prevented, the outer air storage chamber 53 is arranged along the length direction of the cylinder body, an air storage chamber 51 and an inner air storage chamber 52 are arranged in the inner cylinder 56, a floating piston 59 is arranged between the air storage chamber 51 and the inner air storage chamber 52, the inner air storage chamber 52 and the outer air storage chamber 53 are connected through a communication structure 54, an inflation structure 2 is arranged on the bottom cover 1, a piston valve 57 is arranged in the inner cylinder 56, the piston valve 57 is connected with a piston rod 50, a guide 58 is arranged in the cylinder body, and the piston rod 50 penetrates through the guide 58.
The upper end (piston rod extension end) of the machine body is fixed by adopting a guider to position the inner cylinder and the outer cylinder and turn-ups of the outer cylinder, and the lower end of the machine body is fixed by adopting a bottom cover and welding.
The outer air storage chamber 53 is circular in cross section, and the outer air storage chamber 53 is arranged around the inner air storage chamber 52.
[ example 3 ]
In contrast to example 1, the following features were added: gas filled structure 2 is including setting up the gas filled portion 10 on bottom 1, it is equipped with gas charging hole 11 to run through in the gas charged portion 10, install the valve member in the gas charging hole 11, still install the seal assembly 3 that is located the valve member 2 outside in the gas charging hole 11, because valve member 2 and seal assembly 3 have certain length, convex gas filled portion 10 can realize the holding to valve member and seal assembly, need not the whole great thickness that sets up of bottom, avoid encroaching on the shock absorber gas storage chamber, increase the gas storage chamber volume, seal assembly 3 is demountable installation, aerify through valve member 2 during the inflation, utilize seal assembly 3 to carry out secondary seal after the inflation is accomplished.
The valve component 21 is a one-way inflation nozzle 21 (such as a tire nozzle) or a one-way inflation valve or a rubber plug 22, the rubber plug is a solid rubber plug, an air pipe penetrates into the plug during inflation, the air pipe is pulled out after inflation, and rubber is automatically closed under the elastic action.
As shown in fig. 3, the sealing assembly 3 is a sealing bolt, and the sealing bolt is in threaded fit with the inner wall of the gas filling hole 11. The sealing assembly 3 is in contact with the valve assembly 2, thereby achieving better sealing and pressure resistance.
An O-shaped ring 4 is arranged between the sealing bolt and the nut and the inner wall of the air charging hole 11.
It is to be understood by persons skilled in the art that the embodiments of the present invention described above and shown in the drawings are given by way of example only and are not limiting of the present invention. The objects of the present invention have been fully and effectively accomplished. The functional and structural principles of the invention have been shown and described in the embodiments, and the embodiments of the invention can be modified and adapted without departing from the principles described.
Claims (10)
1. A single cylinder shock absorber of interior outer tube structure which characterized in that: the cylinder comprises a cylinder body and a bottom cover (1), wherein the bottom cover (1) is installed on the cylinder body, the cylinder body comprises an outer cylinder (55) and an inner cylinder (56), an outer air storage cavity (53) is arranged between the inner cylinder (56) and the outer cylinder (55), the outer air storage cavity (53) is arranged along the length direction of the cylinder body, an air storage cavity (51) and an inner air storage cavity (52) are arranged in the inner cylinder (56), a floating piston (59) is arranged between the air storage cavity (51) and the inner air storage cavity (52), the inner air storage cavity (52) is connected with the outer air storage cavity (53) through a communicating structure (54), an air charging structure (2) is arranged on the bottom cover (1), a piston valve (57) is arranged in the inner cylinder (56), and the piston valve (57) is connected with a piston rod (50).
2. The single cylinder shock absorber of inner and outer cylinder structure as set forth in claim 1, wherein: the outer air storage chamber (53) is arranged around the inner air storage chamber (52).
3. The single cylinder shock absorber of inner and outer cylinder structures as set forth in claim 1 or 2, wherein: the length of the outer air storage cavity (53) is more than two thirds of the length of the cylinder body.
4. The single cylinder shock absorber of inner and outer cylinder structures as set forth in claim 1 or 2, wherein: an air storage cylinder (71) is arranged between the inner cylinder (56) and the outer cylinder (55), and an outer air storage cavity (53) is formed between the air storage cylinder (71) and the outer wall of the inner cylinder (56).
5. A single cylinder shock absorber of inner and outer cylinder construction as set forth in claim 3 wherein: the communicating structure (54) is a communicating hole.
6. The single cylinder shock absorber of inner and outer cylinder structure as set forth in claim 5, wherein: the communication holes are provided with a plurality of.
7. The single cylinder shock absorber of inner and outer cylinder structures as set forth in any one of claims 1, 2, 5, and 6, wherein: a guide (58) is installed in the cylinder body, and the piston rod (50) penetrates through the guide (58).
8. The single cylinder shock absorber of inner and outer cylinder structure as set forth in claim 7, wherein: the two ends of the outer air storage cavity (53) are respectively blocked by the guider (58) and the bottom cover (1).
9. The single cylinder shock absorber of inner and outer cylinder structures as set forth in claim 1 or 8, wherein: the inflatable structure (2) is connected with the inner air storage cavity (52).
10. The single cylinder shock absorber of inner and outer cylinder construction as set forth in claim 9, wherein: and a lifting ring (6) is arranged on the bottom cover (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223039126.9U CN218718405U (en) | 2022-11-15 | 2022-11-15 | Single-cylinder shock absorber with inner and outer cylinder structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223039126.9U CN218718405U (en) | 2022-11-15 | 2022-11-15 | Single-cylinder shock absorber with inner and outer cylinder structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218718405U true CN218718405U (en) | 2023-03-24 |
Family
ID=85619504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223039126.9U Active CN218718405U (en) | 2022-11-15 | 2022-11-15 | Single-cylinder shock absorber with inner and outer cylinder structures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218718405U (en) |
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2022
- 2022-11-15 CN CN202223039126.9U patent/CN218718405U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A single cylinder shock absorber with inner and outer cylinder structure Effective date of registration: 20230702 Granted publication date: 20230324 Pledgee: Bank of China Limited Yuhuan sub branch Pledgor: ADD Industry (Zhejiang) Corp.,Ltd. Registration number: Y2023330001324 |