CN219809326U - Shock-resistant vibration isolator - Google Patents
Shock-resistant vibration isolator Download PDFInfo
- Publication number
- CN219809326U CN219809326U CN202320372509.3U CN202320372509U CN219809326U CN 219809326 U CN219809326 U CN 219809326U CN 202320372509 U CN202320372509 U CN 202320372509U CN 219809326 U CN219809326 U CN 219809326U
- Authority
- CN
- China
- Prior art keywords
- mandrel
- base
- vibration isolator
- elastic buffer
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000035939 shock Effects 0.000 title claims description 24
- 238000004049 embossing Methods 0.000 claims abstract description 4
- 238000009413 insulation Methods 0.000 claims description 16
- 238000002955 isolation Methods 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
The utility model belongs to the technical field of vibration isolators, and discloses an impact-resistant vibration isolator which comprises a base with an open bottom, wherein the upper part of the base is of a hollow cylindrical structure, and the lower part of the base is of a square end face; the lower part of the base is provided with a plurality of prefabricated bottom holes which are uniformly distributed, and press riveting nuts are riveted in the prefabricated bottom holes through press riveting; the aperture of the prefabricated bottom hole is smaller than the outer diameter of the embossing teeth of the press-riveting nut; through setting up riveting nut, directly use the bolt to install the isolator on equipment, reduce the influence of operating space when installing the isolator, be convenient for install the isolator on equipment.
Description
Technical Field
The utility model belongs to the technical field of vibration isolators, and relates to an impact-resistant 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.
When the vibration isolator is installed, the vibration isolator is installed on equipment through a bolt and a nut, and the installation mode of the bolt and the nut is influenced by the space between the equipment, so that the installation is time-consuming and labor-consuming.
Disclosure of Invention
The technical problem solved by the utility model is to provide the shock-resistant vibration isolator, which is characterized in that the vibration isolator is directly installed on equipment by using bolts through arranging riveting nuts, so that the influence of an operation space when the vibration isolator is installed is reduced, and the vibration isolator is convenient to install on the equipment.
The utility model is realized by the following technical scheme:
an impact-resistant vibration isolator comprises a base with an open bottom, wherein the upper part of the base is of a hollow cylindrical structure, and the lower part of the base is of a square end face;
the lower part of the base is provided with a plurality of prefabricated bottom holes which are uniformly distributed, and press riveting nuts are riveted in the prefabricated bottom holes through press riveting; the aperture of the prefabricated bottom hole is smaller than the outer diameter of the embossing teeth of the press-riveting nut.
Further, the vibration isolator also comprises a mandrel, and a shell, an upper vibration isolation pad 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 base is sleeved on the mandrel and is positioned between the upper shock insulation cushion and the lower shock insulation cushion;
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, the tops of the elastic buffer part and the fixing part are connected, and a buffer gap is arranged between the elastic buffer part and the fixing part; the bottom of the elastic buffer part is propped against the upper surface of the base.
Further, the upper portion of the base extends to the inside of the fixing portion of the upper shock-insulating pad, the bottom of the elastic buffer portion.
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, 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 shock-resistant vibration isolator provided by the utility model, the prefabricated bottom hole is formed in the lower part of the base, the press-riveting nut is arranged in the prefabricated bottom hole in a press-riveting manner, and when the vibration isolator is installed, the vibration isolator can be installed and fixed only by screwing the screw or the bolt into the press-riveting nut, and the vibration isolator is not required to be installed by using a separate screw nut, so that the requirement on operation space when the vibration isolator is installed is reduced, and the shock-resistant vibration isolator is beneficial to being quickly installed.
2. According to the shock-resistant vibration isolator provided by the utility model, the upper vibration isolation pad is divided into the fixed part and the elastic buffer part, when the shell applies pressure to the upper vibration isolation pad, the bottom of the elastic buffer part is blocked by the base, and the elastic buffer part realizes buffering through deformation; thereby realizing the vibration isolation function.
Drawings
Fig. 1 is a top view of a vibration isolator;
FIG. 2 is a schematic view of FIG. 1 taken along section line A-A;
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-insulating pad, 31 is a fixing part, 32 is an elastic buffer part, 4 is a base, 5 is a lower shock-insulating pad, 6 is a screw, 7 is an internal tooth elastic washer, and 8 is a rivet pressing nut.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings, which illustrate but do not limit the utility model.
Referring to fig. 1 to 2, the utility model discloses an impact-resistant vibration isolator, which comprises a base 4 with an open bottom, wherein the upper part of the base 4 is of a hollow cylindrical structure, and the lower part of the base 4 is of a square end face;
the lower part of the base 4 is provided with a plurality of uniformly distributed prefabricated bottom holes, and press riveting nuts 8 are riveted in the prefabricated bottom holes through press riveting; the diameter of the prefabricated bottom hole 8 is smaller than the outer diameter of the embossing teeth of the press-riveting nut 8.
The vibration isolator also comprises a mandrel 1, wherein the mandrel 1 is sleeved with a shell 2, an upper vibration isolation pad 3 and a lower vibration isolation pad 5 which are sequentially distributed from top to bottom and from outside to inside; the base 4 is sleeved on the mandrel 1, and the base 4 is positioned between the upper shock insulation cushion 3 and the lower shock insulation cushion 5;
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 fixed part 31 is positioned outside the elastic buffer part 32, the tops of the elastic buffer part and the fixed part 31 are connected, and a buffer gap is arranged between the elastic buffer part 32 and the fixed part 31; the bottom of the elastic buffer part 32 is abutted against the upper surface of the base 4. The upper shock insulation pad 3 and the lower shock insulation pad 5 are made of rubber.
The upper portion of the base 4 extends to the inside of the fixing portion 31 of the upper seismic isolation pad 3 and the bottom of the elastic buffer portion 32.
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 mode, and the shell 2 is fixed with the mandrel 1 through the head of the screw 6.
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.
An internal tooth elastic washer 7 is arranged at the upper end of the mandrel 1 and positioned between the screw 6 and the shell 2.
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 (6)
1. The shock-resistant vibration isolator is characterized by comprising a base (4) with an open bottom, wherein the upper part of the base (4) is of a hollow cylindrical structure, and the lower part of the base (4) is of a square end face;
the lower part of the base (4) is provided with a plurality of prefabricated bottom holes which are uniformly distributed, and press riveting nuts (8) are riveted in the prefabricated bottom holes through press riveting; the aperture of the prefabricated bottom hole is smaller than the outer diameter of the embossing teeth of the press-riveting nut (8).
2. The shock-resistant vibration isolator according to claim 1, wherein the vibration isolator further comprises a mandrel (1), and a shell (2), an upper vibration isolation pad (3) 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 base (4) is sleeved on the mandrel (1), and the base (4) is positioned between the upper shock insulation pad (3) and the lower shock insulation pad (5);
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, and a buffer gap is arranged between the elastic buffer part (32) and the fixing part (31); the bottom of the elastic buffer part (32) is propped against the upper surface of the base (4).
3. An impact-resistant vibration isolator according to claim 2, wherein the upper portion of the base (4) extends to the inside of the fixing portion (31) of the upper vibration-insulating mat (3), the bottom of the elastic buffer portion (32).
4. An impact-resistant vibration isolator according to claim 2, characterized in that 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. An impact-resistant vibration isolator according to claim 2, wherein the housing (2) has a cylindrical structure with an open bottom, and the fixing portion (31) of the upper vibration-insulating pad (3) is embedded in the housing (2).
6. An impact-resistant vibration isolator according to claim 2, characterized in that an internal tooth elastic washer (7) is provided between the screw (6) and the housing (2) at the upper end of the spindle (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320372509.3U CN219809326U (en) | 2023-03-03 | 2023-03-03 | Shock-resistant vibration isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320372509.3U CN219809326U (en) | 2023-03-03 | 2023-03-03 | Shock-resistant vibration isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219809326U true CN219809326U (en) | 2023-10-10 |
Family
ID=88212043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320372509.3U Active CN219809326U (en) | 2023-03-03 | 2023-03-03 | Shock-resistant vibration isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219809326U (en) |
-
2023
- 2023-03-03 CN CN202320372509.3U patent/CN219809326U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |