CN219366665U - Low-abrasion rubber vibration isolator - Google Patents
Low-abrasion rubber vibration isolator Download PDFInfo
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- CN219366665U CN219366665U CN202320372801.5U CN202320372801U CN219366665U CN 219366665 U CN219366665 U CN 219366665U CN 202320372801 U CN202320372801 U CN 202320372801U CN 219366665 U CN219366665 U CN 219366665U
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- mandrel
- elastic buffer
- vibration isolator
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Abstract
The utility model belongs to the technical field of vibration isolators and discloses a low-abrasion rubber vibration isolator; the device comprises a mandrel, wherein a shell, an upper shock insulation pad, a base and a lower shock insulation pad which are sequentially distributed from top to bottom and from outside to inside are sleeved on the mandrel; the top of the mandrel is arranged on the inner side of the shell, and the upper surface of the bottom of the mandrel is propped against the bottom of the lower shock insulation pad; the upper shock insulation pad comprises an elastic buffer part and a fixing part which are concentric annular; the fixing part is positioned at the outer side of the elastic buffer part and the tops of the elastic buffer part are connected; a buffer gap is arranged between the elastic buffer part and the fixed part; the upper surface of the base is provided with an annular groove, and the bottom of the elastic buffer part is arranged in the annular groove; according to the low-abrasion rubber vibration isolator provided by the utility model, the annular groove is arranged, so that the movement of the bottom of the elastic buffer part on the upper surface of the base is limited, the abrasion between the upper vibration isolation pad and the upper surface of the base is reduced, and the service life of the vibration isolator is prolonged.
Description
Technical Field
The utility model belongs to the technical field of vibration isolators, and relates to a low-abrasion rubber vibration isolator.
Background
The vibration isolator is an elastic element for connecting equipment and a foundation and is used for reducing and eliminating vibration force transmitted to the foundation by the equipment and vibration transmitted to the equipment by the foundation, and at present, various vibration isolators are commonly adopted in the fields of vehicles, ships, aviation and the like to realize vibration isolation and buffering of precision electromechanical equipment, so that the safety and normal operation of the equipment are ensured.
At present, the vibration isolator realizes the buffering between base and the shell through last shock insulation pad, in practical application in-process, goes up shock insulation pad and receives the shell extrusion to produce the deformation, goes up shock insulation pad bottom and does not have fixedly, can slide at the base upper surface, goes up shock insulation pad material and is rubber, consequently easily produces great friction with the base, and long-term use can produce great wearing and tearing, influences the life of vibration isolator.
Disclosure of Invention
The utility model solves the technical problem of providing a low-abrasion rubber vibration isolator, which is characterized in that an annular groove is arranged to limit the movement of the bottom of an elastic buffer part on the upper surface of a base, so that the abrasion between an upper vibration isolation pad and the upper surface of the base is reduced, and the service life of the vibration isolator is prolonged.
The utility model is realized by the following technical scheme:
the low-wear rubber vibration isolator comprises a mandrel, wherein a shell, an upper vibration isolation pad, a base and a lower vibration isolation pad which are sequentially distributed from top to bottom and from outside to inside are sleeved on the mandrel; the top of the mandrel is arranged on the inner side of the shell, and the upper surface of the bottom of the mandrel is propped against the bottom of the lower shock insulation pad; the upper shock insulation pad comprises an elastic buffer part and a fixing part which are concentric annular; the fixing part is positioned at the outer side of the elastic buffer part and the tops of the elastic buffer part are connected; a buffer gap is arranged between the elastic buffer part and the fixed part;
the upper surface of the base is provided with an annular groove, and the bottom of the elastic buffer part is arranged in the annular groove.
Further, or the upper surface of the base is provided with a smooth coating, and the bottom of the elastic buffer part is propped against the upper surface of the base.
Further, the smooth coating is a polytetrafluoroethylene coating.
Further, the upper part of the mandrel is an insertion part, and the lower part of the mandrel is a limiting part; a limiting through hole matched with the insertion part is formed in the center of the top of the shell;
the dabber has offered the screw hole that runs through along the axial, and threaded connection has the screw in the screw hole, and the shell passes through the head of screw and dabber is fixed.
Further, the shell is of a cylindrical structure with an open bottom, and the fixing part of the upper shock insulation pad is embedded into the shell.
Further, the lower part of the base is of a rectangular structure, the upper part of the base is of a hollow cylindrical structure, and the upper part of the base extends to the inside of the fixing part of the upper shock insulation pad and the bottom of the elastic buffer part.
Further, the lower part of the base is provided with a mounting hole.
Further, an internal tooth elastic gasket is arranged at the upper end of the mandrel and positioned between the screw and the shell.
Compared with the prior art, the utility model has the following beneficial technical effects:
1. according to the low-abrasion rubber vibration isolator provided by the utility model, the annular groove is formed in the upper surface of the base, the elastic buffer part of the upper vibration isolation pad is arranged in the annular groove, and when the shell applies pressure to the upper vibration isolation pad, the bottom of the elastic buffer part is positioned in the annular groove and cannot freely slide on the upper surface of the base, so that the buffer is realized only through the deformation of the middle position of the elastic buffer part; by preventing the elastic buffer part from sliding on the upper surface of the base, the abrasion of the upper shock insulation pad on the base is reduced, and the service life of the vibration isolator is prolonged.
2. According to the low-abrasion rubber vibration isolator provided by the utility model, the smooth coating is arranged on the upper surface of the base, and the smooth coating is a polytetrafluoroethylene coating; the polytetrafluoroethylene coating makes the upper surface of the base smooth, can reduce the frictional resistance between the elastic buffer part and the upper surface of the base in the using process of the vibration isolator, reduce the abrasion of the upper vibration isolation pad on the base, and prolong the service life of the vibration isolator.
Drawings
Fig. 1 is a schematic structural view of a vibration isolator when the upper surface of a base is an annular groove;
FIG. 2 is a schematic view of the structure of the vibration isolator when the upper surface of the base is a smooth coating;
reference numerals: 1 is a mandrel, 11 is an inserting part, 12 is a limiting part, 2 is a shell, 3 is an upper shock-insulation pad, 31 is a fixing part, 32 is an elastic buffer part, 4 is a base, 5 is a lower shock-insulation pad, 6 is a screw, and 7 is an internal tooth elastic gasket.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings, which are intended to be illustrative of the utility model rather than limiting.
Referring to fig. 1 to 2, the utility model discloses a low-abrasion rubber vibration isolator, which comprises a mandrel 1, wherein a shell 2, an upper vibration isolation pad 3, a base 4 and a lower vibration isolation pad 5 which are sequentially distributed from top to bottom and from outside to inside are sleeved on the mandrel 1; the top of the mandrel 1 is arranged on the inner side of the shell 2, and the upper surface of the bottom of the mandrel 1 is propped against the bottom of the lower shock insulation cushion 5; the upper shock insulation pad 3 includes an elastic buffer portion 32 and a fixing portion 31 which are concentric ring-shaped; the fixing part 31 is positioned outside the elastic buffer part 32 and the tops of the fixing part and the elastic buffer part are connected; a buffer gap is arranged between the elastic buffer part 32 and the fixed part 31; the upper surface of the base 4 is provided with an annular groove, and the bottom of the elastic buffer part 32 is arranged in the annular groove.
Specifically, the upper shock insulation pad 3 and the lower shock insulation pad 5 are made of rubber.
Or, the upper surface of the base 4 is provided with a smooth coating, and the bottom of the elastic buffer part 32 is propped against the upper surface of the base 4; the smooth coating is a polytetrafluoroethylene coating.
The upper part of the mandrel 1 is an insertion part 11, and the lower part of the mandrel 1 is a limiting part 12; a limiting through hole matched with the insertion part 11 is formed in the center of the top of the shell 2; the mandrel 1 is provided with a threaded hole which penetrates through the shell, a screw 6 is connected in the threaded hole in a threaded manner, and the shell 2 is fixed with the mandrel 1 through the head of the screw 6; an internal tooth elastic washer 7 is arranged at the upper end of the mandrel 1 between the screw 6 and the shell 2.
The shell 2 is of a cylindrical structure with an open bottom, and the fixing part 31 of the upper shock insulation pad 3 is embedded into the shell 2.
The lower part of the base 4 is of a rectangular structure, the upper part of the base 4 is of a hollow cylindrical structure, and the upper part of the base 4 extends to the inside of the fixed part 31 of the upper shock insulation pad 3 and the bottom of the elastic buffer part 32.
The lower part of the base 4 is provided with a mounting hole.
The embodiments given above are preferred examples for realizing the present utility model, and the present utility model is not limited to the above-described embodiments. Any immaterial additions and substitutions made by those skilled in the art according to the technical features of the technical scheme of the utility model are all within the protection scope of the utility model.
Claims (8)
1. The low-wear rubber vibration isolator is characterized by comprising a mandrel (1), wherein a shell (2), an upper vibration isolation pad (3), a base (4) and a lower vibration isolation pad (5) which are sequentially distributed from top to bottom and from outside to inside are sleeved on the mandrel (1); the top of the mandrel (1) is arranged at the inner side of the shell (2), and the upper surface of the bottom of the mandrel (1) is propped against the bottom of the lower shock insulation pad (5); the upper shock insulation cushion (3) comprises an elastic buffer part (32) and a fixing part (31) which are concentric and annular; the fixing part (31) is positioned outside the elastic buffer part (32) and the tops of the elastic buffer part and the fixing part are connected; a buffer gap is arranged between the elastic buffer part (32) and the fixed part (31);
the upper surface of the base (4) is provided with an annular groove, and the bottom of the elastic buffer part (32) is arranged in the annular groove.
2. The low-wear rubber vibration isolator according to claim 1, wherein the upper surface of the base (4) is provided with a smooth coating, and the bottom of the elastic buffer portion (32) is abutted against the upper surface of the base (4).
3. The low wear rubber vibration isolator of claim 2, wherein said lubricious coating is a polytetrafluoroethylene coating.
4. The low-wear rubber vibration isolator according to claim 1, wherein the upper part of the mandrel (1) is an insertion part (11), and the lower part of the mandrel (1) is a limiting part (12); a limiting through hole matched with the insertion part (11) is formed in the center of the top of the shell (2);
the mandrel (1) is provided with a threaded hole which penetrates through the mandrel along the axial direction, a screw (6) is connected in the threaded hole in a threaded mode, and the shell (2) is fixed with the mandrel (1) through the head of the screw (6).
5. A low-wear rubber vibration isolator according to claim 1, wherein the housing (2) has a cylindrical structure with an open bottom, and the fixing portion (31) of the upper vibration isolation pad (3) is embedded inside the housing (2).
6. The low-wear rubber vibration isolator according to claim 1, wherein the lower part of the base (4) is of a rectangular structure, the upper part of the base (4) is of a hollow cylindrical structure, and the upper part of the base (4) extends to the inside of the fixing part (31) of the upper vibration isolation pad (3) and the bottom of the elastic buffer part (32).
7. The low-wear rubber vibration isolator according to claim 1, wherein the lower part of the base (4) is provided with a mounting hole.
8. A low wear rubber vibration isolator according to claim 1, characterized in that the upper end of the spindle (1) is provided with an internal tooth spring washer (7) between the screw (6) and the housing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320372801.5U CN219366665U (en) | 2023-03-03 | 2023-03-03 | Low-abrasion rubber vibration isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320372801.5U CN219366665U (en) | 2023-03-03 | 2023-03-03 | Low-abrasion rubber vibration isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219366665U true CN219366665U (en) | 2023-07-18 |
Family
ID=87149143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320372801.5U Active CN219366665U (en) | 2023-03-03 | 2023-03-03 | Low-abrasion rubber vibration isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219366665U (en) |
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2023
- 2023-03-03 CN CN202320372801.5U patent/CN219366665U/en active Active
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