CN219045512U - Steel skeleton polyurethane gasket - Google Patents
Steel skeleton polyurethane gasket Download PDFInfo
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- CN219045512U CN219045512U CN202222534319.5U CN202222534319U CN219045512U CN 219045512 U CN219045512 U CN 219045512U CN 202222534319 U CN202222534319 U CN 202222534319U CN 219045512 U CN219045512 U CN 219045512U
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Abstract
The application relates to a steel skeleton polyurethane packing ring, it includes metal packing ring, the metal packing ring outside is provided with the protective sheath, metal packing ring and protective sheath integrated into one piece, metal packing ring's central point puts and is provided with the mounting hole that runs through metal packing ring along metal packing ring thickness direction, metal packing ring is made by steel construction, the protective sheath is made by polyurethane material. The protection sleeve and the metal gasket are in a mode of combining polyurethane and a steel structure, the protection sleeve and the metal gasket can meet requirements in certain strength, can be widely applied to common connecting structures such as auxiliary frames and vehicle bodies, are integrally formed, can prevent the phenomenon of crushing and the like when fastening pieces are tightened, and the polyurethane material has certain strength and elasticity.
Description
Technical Field
The application relates to the technical field of gaskets, in particular to a steel skeleton polyurethane gasket.
Background
The gasket refers to a part between the connected piece and the nut, is a metal gasket ring which is generally flat and is used for protecting the surface of the connected piece from being scratched by the nut, disperses the pressure of the nut on the connected piece, is various in types and is made of rubber, is various in types, relates to various angles including materials, functions, shapes and the like, has wide development prospect, can be used between the connected pieces, has certain sealing property and buffering property, and meanwhile has better ageing resistance and friction resistance, so that the gasket is widely used in more fields.
Related art can refer to the chinese patent of publication No. CN215720140U and discloses an automobile rubber gasket, including the rubber protective sleeve, the bottom fixedly connected with blotter of rubber protective sleeve, the multilayer helicla flute has been seted up to the inside of rubber protective sleeve, and the inside fixed mounting of rubber protective sleeve has buffer gear.
Aiming at the related technology, the gasket is made of a single rubber material, and has the advantages of rapid creep, low tensile tear strength and poor wear resistance.
Disclosure of Invention
In order to effectively avoid the risk of rubber creeping fast and improve the effect of tensile tearing strength and wear resistance, the application provides a steel skeleton polyurethane gasket.
The application provides a steel skeleton polyurethane gasket, adopts following technical scheme:
the utility model provides a steel skeleton polyurethane packing ring, includes the metal packing ring, the metal packing ring outside is provided with the protective sheath, metal packing ring and protective sheath integrated into one piece, the central point of metal packing ring puts and is provided with the mounting hole that runs through the metal packing ring along metal packing ring thickness direction, the metal packing ring is made by steel construction, the protective sheath is made by polyurethane material.
Through adopting above-mentioned technical scheme, protective sheath adopts polyurethane and steel construction combination's form with the metal washer, in having certain intensity can satisfy the demand, can wide application in common connection structure such as sub vehicle frame, automobile body, metal washer and protective sheath integrated into one piece, can prevent that the fastener from taking place phenomenon such as crushing when tightening, in the packing ring installation and use, can prevent that protective sheath and metal washer from taking place the skew, avoid having assembly clearance and error, can avoid the misloading and the neglected loading of metal pad and rubber pad, polyurethane material has certain intensity and elasticity, compare in rubber goods, polyurethane creep is slow, tensile tear strength is high, the wearability is strong.
Optionally, the protective sheath includes first energy-absorbing portion and the second energy-absorbing portion that meets in proper order along the thickness direction of protective sheath, the outer wall surface of second energy-absorbing portion exceeds in the outer wall surface of first energy-absorbing portion, the metal washer is located the one end that second energy-absorbing portion kept away from first energy-absorbing portion.
Through adopting above-mentioned technical scheme, the outer wall surface of second energy-absorbing portion stands out in the outer wall surface of first energy-absorbing portion, has better deformability, conveniently absorbs vibration energy.
Optionally, the end surface of the metal gasket facing away from the first energy absorbing portion is flush with the end surface of the second energy absorbing portion facing away from the first energy absorbing portion.
Through adopting above-mentioned technical scheme, the terminal surface that deviates from first energy-absorbing portion through the metal washer and the terminal surface parallel and level's that the second energy-absorbing portion deviates from first energy-absorbing portion set up, be favorable to improving the whole deformation energy-absorbing effect of packing ring, reduce the possibility of packing ring damage.
Optionally, an annular chamfer is formed on the end surface of the second energy absorption part, which is away from the first energy absorption part.
Through adopting above-mentioned technical scheme, through the setting of annular chamfer, the convenience is installed the packing ring.
Optionally, an annular buffer groove is formed in one surface, away from the metal gasket, of the first energy absorption portion.
Through adopting above-mentioned technical scheme, set up annular dashpot and can reduce the structural strength of protective sheath, conveniently make the packing ring warp more easily, be favorable to improving the shock attenuation effect of packing ring.
Optionally, the bottom of the annular buffer groove is arc-shaped.
By adopting the technical scheme, the bottom of the annular buffer groove is arc-shaped, so that the gasket is easier to deform, and the shock absorption and energy absorption effects of the gasket are improved.
Optionally, the first energy-absorbing portion is provided with a metal backing ring fixedly connected with the metal gasket, the metal backing ring and the first energy-absorbing portion are integrally formed, and the metal backing ring is made of a steel structure.
By adopting the technical scheme, the pressure resistance of the gasket is improved by the arrangement of the metal backing ring.
Optionally, an annular chamfer is formed on the inner side of one end, far away from the metal gasket, of the metal gasket ring.
Through adopting above-mentioned technical scheme, through the setting of annular chamfer, make things convenient for the packing ring to install.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the protective sleeve and the metal gasket are in a mode of combining polyurethane and a steel structure, the requirement can be met when the protective sleeve has certain strength, and the polyurethane material has certain strength and elasticity, so that compared with a rubber product, the protective sleeve has the advantages of slow creep, high tensile tearing strength and high wear resistance;
2. the metal gasket and the protective sleeve are integrally formed, so that the phenomenon of crushing and the like can be prevented when the fastener is tightened, the protective sleeve and the metal gasket can be prevented from being deviated in the installation and use process of the gasket, the assembly gap and the error are avoided, and the wrong assembly and the neglected assembly of the metal gasket and the rubber gasket can be avoided.
Drawings
Fig. 1 is a schematic view of the overall structure of a steel skeleton polyurethane gasket.
Fig. 2 is a schematic view of the internal structure of a steel skeleton polyurethane gasket.
FIG. 3 is a schematic view of a first energy absorber shown in a steel skeleton polyurethane gasket.
Reference numerals illustrate: 1. a metal gasket; 11. a mounting hole; 2. a protective sleeve; 3. a first energy absorbing portion; 4. a second energy absorbing portion; 41. an annular buffer tank; 5. a metal backing ring.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
The embodiment of the application discloses a steel skeleton polyurethane gasket.
Referring to fig. 1 and 2, a polyurethane gasket of a steel skeleton comprises a metal gasket 1, wherein a protective sleeve 2 is arranged outside the metal gasket 1, the metal gasket 1 and the protective sleeve 2 are integrally formed, a mounting hole 11 penetrating through the metal gasket 1 along the thickness direction of the metal gasket 1 is arranged at the center of the metal gasket 1, the metal gasket 1 is made of a steel structure, and the protective sleeve 2 is made of polyurethane materials.
Referring to fig. 1 and 2, the protective sleeve 2 includes a first energy absorbing portion 3 and a second energy absorbing portion 4 connected in sequence along a thickness direction of the protective sleeve 2, an outer wall surface of the second energy absorbing portion 4 protrudes from an outer wall surface of the first energy absorbing portion 3, and the metal washer 1 is located at one end of the second energy absorbing portion 4 away from the first energy absorbing portion 3. The outer wall surface of the second energy absorbing part 4 protrudes out of the outer wall surface of the first energy absorbing part 3, so that the second energy absorbing part has better deformability and is convenient for absorbing vibration energy.
Referring to fig. 1 and 2, the end surface of the metal washer 1 facing away from the first energy absorbing portion 3 is flush with the end surface of the second energy absorbing portion 4 facing away from the first energy absorbing portion 3, and an annular chamfer is formed in the end surface of the second energy absorbing portion 4 facing away from the first energy absorbing portion 3. The protective sleeve 2 improves the whole deformation energy absorption effect of the gasket and reduces the possibility of gasket damage.
Referring to fig. 2 and 3, an annular buffer groove 41 is formed in one surface of the first energy absorbing portion 3, which faces away from the metal washer 1, and the groove bottom of the annular buffer groove 41 is in a circular arc shape. The annular buffer groove 41 can reduce the structural strength of the protective sleeve 2, so that the gasket is convenient to deform more easily, and the shock absorption effect of the gasket is improved.
Referring to fig. 2 and 3, optionally, the first energy absorbing portion 3 is provided with a metal backing ring 5 fixedly connected with the metal washer 1, the metal backing ring 5 and the first energy absorbing portion 3 are integrally formed, the metal backing ring 5 is made of a steel structure, and an annular chamfer is formed at the inner side of one end, far away from the metal washer 1, of the metal backing ring 5. The metal backing ring 5 is beneficial to improving the compression resistance of the gasket, protecting the components such as bolts and the like, and the gasket is convenient to install through the arrangement of the annular chamfer.
The implementation principle of the steel skeleton polyurethane gasket provided by the embodiment of the application is as follows: the protective sleeve 2 adopts polyurethane and steel construction to combine the form with metal washer 1, can satisfy the demand in having certain intensity, wide application is in common connection structure such as sub vehicle frame, automobile body, metal washer 1 and protective sleeve 2 integrated into one piece, phenomenon such as crushing takes place when can preventing that the fastener from tightening, in packing ring installation and use, can prevent that protective sleeve 2 and metal washer 1 from taking place the skew, avoid having assembly clearance and error, can avoid the mistake dress and the neglected loading of metal pad and rubber pad, polyurethane material has certain intensity and elasticity, compare in rubber products, polyurethane creep is slow, tensile tear strength is high, the wearability is strong.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. The utility model provides a steel skeleton polyurethane packing ring, includes metal packing ring (1), its characterized in that: the novel metal gasket is characterized in that a protective sleeve (2) is arranged outside the metal gasket (1), the metal gasket (1) and the protective sleeve (2) are integrally formed, a mounting hole (11) penetrating through the metal gasket (1) along the thickness direction of the metal gasket (1) is formed in the center of the metal gasket (1), the metal gasket (1) is made of a steel structure, and the protective sleeve (2) is made of a polyurethane material.
2. A steel skeleton polyurethane gasket according to claim 1, wherein: the protective sleeve (2) comprises a first energy absorption part (3) and a second energy absorption part (4) which are sequentially connected along the thickness direction of the protective sleeve (2), the outer wall surface of the second energy absorption part (4) protrudes out of the outer wall surface of the first energy absorption part (3), and the metal gasket (1) is located at one end, far away from the first energy absorption part (3), of the second energy absorption part (4).
3. A steel skeleton polyurethane gasket according to claim 2, wherein: the end face of the metal gasket (1) deviating from the first energy absorbing part (3) is flush with the end face of the second energy absorbing part (4) deviating from the first energy absorbing part (3).
4. A steel skeleton polyurethane gasket according to claim 3, wherein: the end face of the second energy absorption part (4) deviating from the first energy absorption part (3) is provided with an annular chamfer.
5. A steel skeleton polyurethane gasket according to claim 2, wherein: an annular buffer groove (41) is formed in one surface, away from the metal gasket (1), of the first energy absorption part (3).
6. A steel skeleton polyurethane gasket according to claim 5, wherein: the bottom of the annular buffer groove (41) is arc-shaped.
7. A steel skeleton polyurethane gasket according to claim 2, wherein: the first energy-absorbing part (3) is provided with a metal backing ring (5) fixedly connected with the metal gasket (1), the metal backing ring (5) and the first energy-absorbing part (3) are integrally formed, and the metal backing ring (5) is made of a steel structure.
8. A steel skeleton polyurethane gasket according to claim 7, wherein: an annular chamfer is formed in the inner side of one end, far away from the metal gasket (1), of the metal backing ring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222534319.5U CN219045512U (en) | 2022-09-23 | 2022-09-23 | Steel skeleton polyurethane gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222534319.5U CN219045512U (en) | 2022-09-23 | 2022-09-23 | Steel skeleton polyurethane gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219045512U true CN219045512U (en) | 2023-05-19 |
Family
ID=86318010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222534319.5U Active CN219045512U (en) | 2022-09-23 | 2022-09-23 | Steel skeleton polyurethane gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219045512U (en) |
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2022
- 2022-09-23 CN CN202222534319.5U patent/CN219045512U/en active Active
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