Spring isolator

Abstract

This application relates to the field of spring vibration isolation, and more particularly to a spring vibration isolator, which includes a housing and a spring. The spring is disposed within the housing, and the housing includes a first shell and a second shell, which are slidably connected. A first connector and a second connector are detachably connected to both ends of the spring, respectively. The first connector is detachably connected to the first shell, and the second connector is detachably connected to the second shell. A disassembly / removal opening is formed on the housing, and an elastic corrugated element is sleeved on the outer side of the housing, covering the disassembly / removal opening. This application, by providing a disassembly / removal opening on the housing, allows the spring, the first connector, and the second connector to be integrally inserted or removed through the opening without disassembling the spring vibration isolator. This simplifies operation, saves time, and reduces workload. The elastic corrugated element covers the disassembly / removal opening during normal operation, providing some protection to the spring.

Description

Technical Field

[0001] This application relates to the technical field of spring vibration isolation, and in particular to a spring vibration isolator. Background Technology

[0002] In related technologies, spring vibration isolators absorb and disperse vibrations through deformation, thereby protecting equipment from vibration. Their working principle is based on the elasticity of springs. When the equipment is running, the vibrations generated are transmitted to the springs, and the springs deform accordingly, converting kinetic energy into potential energy, thereby reducing the vibrations transmitted to the equipment.

[0003] The problem with the related technology is that, over time, the springs may age due to changes in the usage environment and load, affecting their vibration damping performance. Therefore, the spring isolators need to be replaced and maintained regularly. However, the springs in the related technology are not easy to disassemble and install, and it is even necessary to separate the spring isolator from the equipment as a whole, replace or maintain it, and then reinstall it. This process is time-consuming and labor-intensive. Utility Model Content

[0004] In order to improve the efficiency of spring disassembly and assembly, shorten disassembly and assembly time, and reduce workload, this application provides a spring vibration isolator.

[0005] The spring vibration isolator provided in this application adopts the following technical solution:

[0006] A spring vibration isolator includes a housing and a spring, the spring being disposed inside the housing. The housing includes a first shell and a second shell, which are slidably connected. A first connector and a second connector are detachably connected to both ends of the spring, the first connector being detachably connected to the first shell and the second connector being detachably connected to the second shell. A disassembly port is formed on the housing, and an elastic corrugated element is sleeved on the outer side of the housing, covering the disassembly port. Anti-slip pads are provided at both ends of the housing.

[0007] Optionally, a positioning protrusion is provided on the inner side of the first housing, and a matching positioning groove is formed on the first connector. A rotating slot is provided on the positioning protrusion, and a locking block is provided on the inner wall of the first connector facing the positioning groove. The locking block is adapted to the rotating slot, and the positioning groove is formed in the middle of the first connector.

[0008] Optionally, the first connector has a limiting groove on the side that mates with the spring, and the end of the spring extends into the limiting groove, wherein the size of the fiber groove matches the size of the spring.

[0009] Optionally, the first housing is provided with a guide post, and the second housing is provided with a sliding connector, which passes through the guide post and can slide along the guide post within a certain range.

[0010] Optionally, the first housing and the second housing are respectively provided with corresponding insertion holes, and the insertion holes are provided with pins, so that the first housing can be temporarily fixedly connected to the second housing through the pins.

[0011] Optionally, a base plate and a support plate are respectively provided at opposite ends of the first housing and the second housing, and the anti-slip pad is provided on the opposite side of the base plate and the support plate. The contact surface between the anti-slip pad and the external structure is set as a striped structure to increase the friction between the external structure and the anti-slip pad.

[0012] Optionally, the positioning protrusion is provided on the side of the substrate facing the support plate, and mounting holes are provided on both the support plate and the second connector. Fasteners are provided in the mounting holes, and the second connector is connected to the support plate through the fasteners.

[0013] Optionally, the two ends of the elastic corrugated element are respectively provided with flange connectors, one end of which is connected to the base plate through the flange connector, and the other end is connected to the support plate through the flange connector.

[0014] In summary, this application includes at least one of the following beneficial technical effects:

[0015] 1. By providing a disassembly port on the outer casing, the spring is positioned between the first connecting member and the second connecting member. The first connecting member is detachably connected to the first housing, and the second connecting member is detachably connected to the second housing. This allows the spring, the first connecting member, and the second connecting member to be installed or removed as a single unit through the disassembly port without disassembling the spring isolator. This method is simple and convenient, saves time, and reduces workload. The elastic corrugated element can cover the disassembly port when the equipment is working normally, providing some protection for the spring. Attached Figure Description

[0016] Figure 1 This is a frontal cross-sectional structural diagram of an embodiment of this application.

[0017] Figure 2 This is a partial three-dimensional structural schematic diagram of an embodiment of this application.

[0018] Figure 3 This is an embodiment of the present application. Figure 1 A magnified schematic diagram of the structure at point A in the middle.

[0019] Figure 4 This is an embodiment of the present application. Figure 1 Enlarged schematic diagram of the structure at point B.

[0020] Reference numerals: 1. Outer shell; 101. First shell; 102. Second shell; 103. Base plate; 104. Support plate; 2. Spring; 3. First connector; 4. Second connector; 5. Elastic corrugated element; 6. Anti-slip pad; 7. Positioning protrusion; 8. Locking block; 9. Limiting groove; 10. Guide post; 11. Sliding connector; 12. Pin; 13. Fastener; 14. Flange connector. Detailed Implementation

[0021] The following is in conjunction with the appendix Figure 1-4 This application will be described in further detail.

[0022] This application discloses a spring vibration isolator. (Refer to...) Figure 1 A spring vibration isolator includes a housing 1 and a spring 2 housed inside the housing 1. The spring 2 can be cylindrical, with a base surface and a support surface at its two ends. The base surface mates with the mounting surface, and the support surface mates with the external equipment to be installed. The external equipment refers to devices that require vibration reduction and noise reduction via the spring vibration isolator (e.g., fans, circulating pumps, screw chillers, air-cooled heat pumps, etc.). Anti-slip pads 6 are fixed to both the base surface and the support surface. The anti-slip pads 6 have a striped surface to increase the friction between the spring vibration isolator and the mounting surface and the external equipment, respectively. Generally, after installing the anti-slip pads 6, the spring vibration isolator does not need to be fixed to the mounting surface with anchor bolts.

[0023] Reference Figure 1 and Figure 2 The outer shell 1 is further composed of a first shell 101 and a second shell 102 distributed vertically along its axial direction. The longitudinal sections of the first shell 101 and the second shell 102 are both U-shaped structures with openings facing each other. The aforementioned base surface is formed on the end face of the first shell 101 away from the second shell 102, and the support surface is formed on the end face of the second shell 102 away from the first shell 101.

[0024] Furthermore, the first housing 101 and the second housing 102 are slidably connected. In some preferred embodiments of this application, the inner diameter of the second housing 102 is larger than the outer diameter of the first housing 101, so that the second housing 102 is partially fitted onto the first housing 101. Since the base surface and the support surface are respectively provided on the first housing 101 and the second housing 102, and the spring 2 is provided between the first housing 101 and the second housing 102, when the external equipment vibrates during operation, the mechanical vibration is transmitted to the spring 2 through the second housing 102. Through the compression or stretching of the spring 2, the vibration energy is converted into heat energy or other forms of energy and consumed, thereby blocking the vibration transmission path and achieving the purpose of vibration reduction and noise reduction.

[0025] Preferably, to improve the connection strength between the first housing 101 and the second housing 102 and to limit the sliding direction, the following structure is adopted between them: a guide post 10 is provided on the outer peripheral wall of the first housing 101 (the extension direction of the guide post 10 is the same as the sliding direction of the second housing 102 and the deformation direction of the spring 2), and a sliding connector 11 is provided on the inner side wall of the second housing 102. The sliding connector 11 passes through the guide post 10, thereby improving the overall stability of the equipment. It should be noted that, in order to prevent the sliding connector 11 from falling off the guide post 10 during vibration, stepped stop structures should be provided at both ends of the guide post 10 to limit the movement range of the sliding connector 11.

[0026] Reference Figure 2 A disassembly port is formed on the outer casing 1 (when the outer casing 1 is composed of a first casing 101 and a second casing 102, the disassembly port is divided into two parts and formed on the first casing 101 and the second casing 102 respectively), and the operator can remove or install the spring 2 through the disassembly port.

[0027] To facilitate the assembly and disassembly of the spring 2, a first connecting piece 3 and a second connecting piece 4 are respectively provided at both ends of the spring 2. The first connecting piece 3 is detachably connected to the first housing 101, and the second connecting piece 4 is detachably connected to the second housing 102. The spring 2 is pressed between the first connecting piece 3 and the second connecting piece 4. Workers can assemble and disassemble the spring 2 by assembling and disassembling the first connecting piece 3 and the second connecting piece 4.

[0028] Specifically, the first housing 101 is provided with a positioning protrusion 7, and the first connecting member 3 is formed with a positioning groove that mates with the positioning protrusion 7. The first connecting member 3 can be inserted from top to bottom, so that the positioning protrusion 7 mates with the positioning groove. A rotating groove is formed on the outer periphery of the positioning protrusion 7, and a locking block 8 is provided on the inner wall of the first connecting member 3 facing the positioning groove. The rotating groove is an L-shaped groove, with one part extending along the axial direction of the positioning protrusion 7 and penetrating its upper end face, and the other part extending along the circumferential direction of the positioning protrusion 7. The positioning groove is preferably formed in the middle of the first connecting member 3.

[0029] When the first connector 3 is inserted from above, the locking block 8 enters the axially extending part of the rotating slot. After the first connector 3 is inserted, the locking block 8 moves synchronously to the corner of the L-shaped slot. Then, the first connector 3 is rotated to move the locking block 8 to the end of the circumferentially extending rotating slot, thus realizing the insertion of the first connector 3.

[0030] The first connector 3 has a limiting groove 9 at one end facing the spring 2. The spring 2 is inserted into the limiting groove 9 and the size of the limiting groove 9 is adapted to the size of the spring 2. The specific connection method between the first connector 3 and the spring 2 adopts the existing technology and is not specifically limited here.

[0031] Furthermore, the second housing 102 and the second connecting member 4 can be specifically structured as follows: the second connecting member 4 is an inverted U-shaped housing structure, with its opening facing the spring 2 so that the upper end of the spring 2 is inserted into the second connecting member 4. Mounting holes are respectively provided at corresponding positions on the second connecting member 4 and the second housing 102. The two can be detachably connected by setting fasteners 13 in the mounting holes. The fasteners 13 are preferably fastening bolts.

[0032] Reference Figure 1 and Figure 2 The first housing 101 and the second housing 102 are respectively provided with a base plate 103 and a support plate 104 at opposite ends, with the base surface and support surface being opposite sides of the base plate 103 and the support plate 104, respectively. When this structure is adopted, the positioning protrusion 7 should be provided on the side of the base plate 103 facing the support plate 104, and the second connector 4 should be connected to the support plate 104 by fastener 13.

[0033] Reference Figure 1 An elastic corrugated element 5 is also sleeved on the outside of the outer shell 1, and the aforementioned disassembly port is covered by the elastic corrugated element 5 to provide a certain degree of protection for the spring 2 inside the outer shell 1. Preferably, the elastic corrugated element 5 is a sleeve-type structure, and both the first shell 101 and the second shell 102 are housed within the elastic corrugated element 5. Flange connectors 14 are respectively provided at both ends of the elastic corrugated element 5. Correspondingly, the outer diameter of the base plate 103 and the support plate 104 is larger than the outer diameter of the second shell 102, so as to form an annular extension on the outside of the second shell 102. The flange connectors 14 cooperate with the annular extension, so that both ends of the elastic corrugated element 5 are connected to the base plate 103 and the support plate 104 respectively. Since the elastic corrugated element 5 is a telescopic component, it can extend and retract along the direction of movement of the spring isolator, so it will not affect its vibration reduction performance. When it is necessary to disassemble or assemble spring 2, the flange connector 14 at one end of the elastic corrugated element 5 can be separated from the outer casing 1, so that the end can move in its extension and contraction direction. The operator can expose the disassembly and assembly port by compressing the elastic corrugated element 5 to the limit position, so as to carry out the subsequent disassembly and assembly work of spring 2.

[0034] Reference Figure 2To prevent significant displacement of the vibration isolator during the disassembly and assembly of spring 2, which could affect the normal operation of external equipment and ensure that the vibration isolator can provide temporary stable support for the external equipment, the following structure is adopted between the first housing 101 and the second housing 102: Insertion holes are respectively provided at corresponding positions on the outer walls of the first housing 101 and the second housing 102, and pins 12 can be inserted into the two insertion holes. When disassembling spring 2, the pins 12 are inserted into the insertion holes, restricting the displacement of the second housing 102. At this time, the second housing 102 remains relatively fixed to the first housing 101, and can still provide temporary support for the external equipment after spring 2 is removed. After the spring 2 is maintained and replaced, the pins 12 can be removed.

[0035] This application provides a spring vibration isolator. By providing a disassembly port on the outer shell 1, the spring 2 is placed between the first connecting member 3 and the second connecting member 4. The first connecting member 3 is detachably connected to the first shell 101, and the second connecting member 4 is detachably connected to the second shell 102. This allows the spring 2, the first connecting member 3, and the second connecting member 4 to be installed or removed as a whole through the disassembly port without disassembling the spring vibration isolator. This makes the operation simple and convenient, saves time, and reduces workload. The elastic corrugated element 5 can cover the disassembly port when the equipment is working normally, providing a certain degree of protection for the spring 2.

[0036] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A spring isolator comprising a housing and a spring, the spring disposed within the housing, the housing comprising a first housing and a second housing, the first housing and the second housing being slidingly connected, characterized in that: The spring has a first connector and a second connector at its two ends. The first connector is detachably connected to the first housing, and the second connector is detachably connected to the second housing. The housing has a disassembly port, and an elastic corrugated element is sleeved on the outer side of the housing. The disassembly port is covered by the elastic corrugated element. Both ends of the housing are provided with anti-slip pads.

2. The spring vibration isolator according to claim 1, characterized in that: The first housing has a positioning protrusion on its inner side, and a matching positioning groove is formed on the first connector. The positioning protrusion has a rotating slot, and a locking block is provided on the inner wall of the first connector facing the positioning groove. The locking block is adapted to the rotating slot, and the positioning groove is formed in the middle of the first connector.

3. The spring vibration isolator according to claim 1, characterized in that: The first connector has a limiting groove on the side that mates with the spring, and the end of the spring extends into the limiting groove. The size of the limiting groove matches the size of the spring.

4. The spring vibration isolator according to claim 1, characterized in that: The first housing is provided with a guide post, and the second housing is provided with a sliding connector. The sliding connector passes through the guide post and can slide along the guide post within a certain range.

5. The spring vibration isolator according to claim 1, characterized in that: The first housing and the second housing are respectively provided with corresponding insertion holes, and the insertion holes are provided with pins. The first housing can be temporarily fixedly connected to the second housing through the pins.

6. The spring vibration isolator according to claim 2, characterized in that: The first housing and the second housing are respectively provided with a base plate and a support plate at opposite ends. The anti-slip pad is provided on the opposite side of the base plate and the support plate. The contact surface between the anti-slip pad and the external structure is set with a striped structure to increase the friction between the external structure and the anti-slip pad.

7. The spring vibration isolator according to claim 6, characterized in that: The positioning protrusion is provided on the side of the base plate facing the support plate. Mounting holes are provided on both the support plate and the second connector. Fasteners are provided in the mounting holes. The second connector is connected to the support plate through the fasteners.

8. The spring vibration isolator according to claim 6, characterized in that: The elastic corrugated element is provided with flange connectors at both ends. One end is connected to the base plate through the flange connector, and the other end is connected to the support plate through the flange connector.

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