A rubber vibration isolator

Abstract

The utility model discloses a rubber vibration isolator, including shell, rubber block, positioning sleeve, the shell is metal spare, the shell is wrapped the all or part of the outer surface of rubber block, the outer surface of shell is as the outer surface of vibration isolator, the both ends of shell extend as fixed sheet for connecting with equipment, one end of positioning sleeve is embedded in rubber block and stretches out from the through -hole of shell. The utility model can install with the original equipment well, can directly replace the original BE type vibration isolator, and a layer of rubber is no longer covered on the surface of product, solves the problem that is difficult to install and is easy to cause installation damage, increases the adhesive strength of rubber and metal spare, and improves product quality.

Description

Technical Field

[0001] This utility model relates to a rubber vibration isolator, specifically a rubber vibration isolator. Background Technology

[0002] Standard BE series rubber vibration isolators are widely used for vibration isolation in various equipment. However, the following drawbacks have been identified during long-term use:

[0003] 1. The commonly used rubber material is natural rubber, which is not oil-resistant and is prone to aging.

[0004] 2. To enhance oil resistance and anti-aging properties, a special coating is usually applied to the rubber surface for protection, which requires frequent maintenance.

[0005] 3. The metal structure is fully covered with rubber, and the mounting surface is covered with rubber on both the top and bottom, which is not conducive to installation, easily causes installation damage, and has poor installation stability;

[0006] 4. It is difficult to guarantee the performance consistency of large-volume products. Utility Model Content

[0007] To address the shortcomings of the existing technology, this utility model provides a rubber vibration isolator. This utility model can be easily installed with existing equipment and can directly replace the original BE type vibration isolator. The product surface no longer needs to be covered with a layer of rubber, which solves the problems of difficult installation and easy installation damage. It also increases the bonding strength between the rubber and the metal parts and improves the product quality.

[0008] To achieve the above technical objectives, the present invention adopts the following technical solution: a rubber vibration isolator, comprising a shell, a rubber block, and a positioning sleeve. The shell is a metal part, and the shell covers all or part of the outer surface of the rubber block. The outer surface of the shell serves as the outer surface of the vibration isolator. Both ends of the shell extend into fixing plates for connection with equipment. One end of the positioning sleeve is embedded in the rubber block and extends out from the through hole of the shell.

[0009] The outer shell covers three adjacent outer wall surfaces of the rubber block in the same direction, and after covering, the two ends of the outer shell extend outward to form the fixing piece, which does not contact the rubber block.

[0010] The fixing plate is provided with fixing holes.

[0011] The rubber block has a blind hole in the center, and one end of the positioning sleeve is embedded in the blind hole; the bottom dimension of the blind hole is larger than the top dimension, and correspondingly, the bottom dimension of the positioning sleeve is larger than the top dimension.

[0012] The inner wall of the blind hole is provided with an outwardly protruding annular strip, and the outer wall of the positioning sleeve is provided with an annular groove, in which the annular strip is embedded.

[0013] The rubber block is provided with stress holes.

[0014] The size of the through hole is larger than that of the positioning sleeve.

[0015] In summary, this utility model achieves the following technical effects:

[0016] This utility model is the NBE series, and its interface size is completely consistent with the BE type. It can be installed well with the original equipment and can directly replace the original BE type vibration isolator.

[0017] The outer shell of this utility model is made of all stainless steel structural components, and the product surface is no longer covered with a layer of rubber, which solves the problem of difficult installation and easy installation damage;

[0018] This invention improves the internal structure of the metal parts by designing annular grooves and annular strips, which increases the bonding strength between the rubber and the metal parts and improves product quality. Attached Figure Description

[0019] Figure 1 This is a three-dimensional schematic diagram of a rubber vibration isolator;

[0020] Figure 2 yes Figure 1 The main view;

[0021] Figure 3 yes Figure 2 A cross-sectional schematic diagram;

[0022] Figure 4 This is a schematic diagram of the outer shell cross-section. Detailed Implementation

[0023] The present invention will be further described in detail below with reference to the accompanying drawings.

[0024] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

[0025] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0026] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0027] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0028] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0029] Example:

[0030] Figure 1 This is a three-dimensional schematic diagram of a rubber vibration isolator. Figure 2 yes Figure 1 The main view, Figure 3 yes Figure 2A cross-sectional schematic diagram includes a housing 1, a rubber block 2, and a positioning sleeve 3. The housing 1 is a metal part. The housing 1 covers all or part of the outer surface of the rubber block 2. The outer surface of the housing 1 serves as the outer surface of the vibration isolator. Both ends of the housing 1 extend into fixing plates 12 for connection with the equipment. One end of the positioning sleeve 3 is embedded in the rubber block 2 and extends out from the through hole 11 of the housing 1.

[0031] This invention uses all-stainless steel structural components as the outer shell, and the metal shell is directly used as the outer surface of the product, so that the product surface no longer needs to be covered with a layer of rubber, thus solving the problems of difficult installation and easy installation damage.

[0032] Furthermore, the outer shell 1 wraps around the three adjacent outer walls of the rubber block 2 in the same direction, and after wrapping, the two ends of the outer shell 1 extend outward to form fixing pieces 12, which do not contact the rubber block 2.

[0033] like Figure 4 As shown, Figure 4 This is a cross-sectional view of the outer shell. The outer shell of this utility model is close to an Ω shape. The main body consists of three panels forming a U-shaped structure. These three panels wrap around the three sides of the rubber block and serve as the main body of the outer shell to increase strength. Two fixing plates extend from both ends for fixing positions. It is directly connected to the equipment with a metal structure, instead of rubber contacting the equipment. This solves the shortcomings of low strength and loose connection that occur with rubber connections. The connection strength and tightness between this utility model and the equipment are better.

[0034] The illustration shows a portion of the outer surface of the rubber block covered by the outer shell. In addition, the outer shell can also cover the surface of the rubber block other than the bottom surface.

[0035] The fixing plate 12 is provided with fixing holes 13 for fitting with bolts.

[0036] The rubber block 2 has a blind hole in the center, and one end of the positioning sleeve 3 is embedded in the blind hole; the bottom dimension of the blind hole is larger than the top dimension, and correspondingly, the bottom dimension of the positioning sleeve 3 is larger than the top dimension.

[0037] Because the positioning sleeve and the blind hole are engaged at the bottom with a larger size, the connection between the two is tighter and stronger, which increases the bonding strength between the rubber block and the positioning sleeve and makes it less likely to fall off.

[0038] Furthermore, the inner wall of the blind hole is provided with an outwardly protruding annular strip 22, and the outer wall of the positioning sleeve 3 is provided with an annular groove 31, in which the annular strip 22 is embedded.

[0039] This invention features a strip and groove design between the blind hole and the positioning sleeve, which further enhances the bonding strength between the rubber block and the positioning sleeve.

[0040] The rubber block 2 is provided with stress holes 21, which can adapt well to pressure.

[0041] The size of the through hole 11 is larger than that of the positioning sleeve 3, so that the outer shell will not affect the movement of the positioning sleeve.

[0042] The rubber inlet channel of the vulcanizing mold has been improved during the production of this product, and the vulcanization temperature / time of the rubber is precisely controlled, which greatly improves the yield. The rubber material can be replaced according to the needs, and it can adapt to a variety of rubber materials, no longer limited to natural rubber. It solves the problem of natural rubber being not oil-resistant and aging easily. The standard type of structural parts are made of all stainless steel. It can also be used as a completely non-magnetic product, a product resistant to seawater immersion, etc.

[0043] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model shall fall within the scope of the technical solution of the present utility model.

Claims

1. A rubber vibration isolator, comprising a housing (1), a rubber block (2), and a positioning sleeve (3), wherein the housing (1) is a metal component, characterized in that: The outer shell (1) covers all or part of the outer surface of the rubber block (2), the outer surface of the outer shell (1) serves as the outer surface of the vibration isolator, the two ends of the outer shell (1) extend into fixing plates (12) for connection with the equipment, and one end of the positioning sleeve (3) is embedded in the rubber block (2) and extends out from the through hole (11) of the outer shell (1).

2. The rubber vibration isolator according to claim 1, characterized in that: The outer shell (1) wraps around the three adjacent outer walls of the rubber block (2) in the same direction, and after wrapping, the two ends of the outer shell (1) extend outward to form the fixing piece (12), which does not contact the rubber block (2).

3. A rubber vibration isolator according to claim 2, characterized in that: The fixing plate (12) is provided with fixing holes (13).

4. A rubber vibration isolator according to claim 1, characterized in that: The rubber block (2) has a blind hole in the center, and one end of the positioning sleeve (3) is embedded in the blind hole; the bottom dimension of the blind hole is larger than the top dimension, and correspondingly, the bottom dimension of the positioning sleeve (3) is larger than the top dimension.

5. A rubber vibration isolator according to claim 4, characterized in that: The inner wall of the blind hole is provided with an outwardly protruding annular strip (22), and the outer wall of the positioning sleeve (3) is provided with an annular groove (31), and the annular strip (22) is embedded in the annular groove (31).

6. A rubber vibration isolator according to claim 1, characterized in that: The rubber block (2) is provided with stress holes (21).

7. A rubber vibration isolator according to claim 1, characterized in that: The size of the through hole (11) is larger than that of the positioning sleeve (3).

Images