Viscous damper with explosion-proof cavity

Abstract

The utility model provides a viscous damper with an explosion-proof cavity, which relates to the field of viscous dampers and comprises a cylinder body, a piston is movably mounted on the inner wall of the cylinder body, damping holes are equidistantly formed in the circumference of the surface of the piston, a hose is fixedly mounted on the surface of the cylinder body, and a fixing frame is fixedly mounted on the surface of the cylinder body. A round rod is movably embedded in the inner wall of the fixing frame, a round block is fixedly installed at one end of the round rod, a spring is movably arranged on the surface of the round rod in a sleeving mode, an extrusion piece is fixedly installed at the other end of the round rod, and the other side of the extrusion piece is attached to the surface of the hose. When the damping cylinder is strongly impacted, a damping medium in the cylinder body enters the hose, so that the hose which is extruded and closed by the extrusion sheet is opened, damping value flows into the other cavity, the pressure is released, the risk of cavity explosion is reduced, the corrugated pipe is arranged on the surface of the guide rod in a sleeving manner, the extending part of the guide rod is protected, and the influence of the environment is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to viscous damper technical field especially relates to a kind of anti-explosion cavity viscous damper. BACKGROUND

[0002] Viscous fluid damper is a kind of speed-dependent energy dissipation device, with strong energy dissipation capacity, stroke and other characteristics, widely used in bridge, building, large steel structure and other structural damping fields. The basic working principle of viscous fluid damper is to extrude damping medium, make it flow through the small hole on the piston at high speed, generate energy loss in the flow process, convert the kinetic energy of external world into heat energy of damping medium, thereby reducing the damage of earthquake, strong wind and other larger load to structure.

[0003] In prior art, when viscous damper is used and subjected to strong impact, the internal viscous fluid is extruded, the pressure rises sharply, the damper has the risk of explosion cavity, and the guide rod part of the damper is exposed to the environment during use, which has the risk of damage. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of anti-explosion cavity viscous damper to solve the problems raised in the above background.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of anti-explosion cavity viscous damper, characterized by comprising: cylinder body, the inner wall of the cylinder body movably installs piston, the surface of the piston is circumferentially equidistantly provided with damping hole, one end of the piston is fixedly installed with guide rod, the surface of the cylinder body is fixedly installed with hose, the surface of the cylinder body is fixedly installed with fixed frame, the inner wall of the fixed frame is movably embedded with round bar, one end of the round bar is fixedly installed with round block, the surface of the round bar is movably sleeved with spring, the other end of the round bar is fixedly installed with extrusion sheet, the other side of the extrusion sheet is attached to the surface of the hose, one end of the cylinder body is installed with end cover one by bolt, the surface of the guide rod is movably embedded in the inner wall of end cover one, the other end of the cylinder body is installed with end cover two by bolt.

[0006] As a preferred embodiment, the two sides of the fixed frame inner wall are provided with limiting grooves, the two sides of the extrusion sheet are fixedly installed with limiting blocks, and the surface of the limiting block is movably installed in the inner wall of the limiting groove.

[0007] As a preferred embodiment, one end of the spring is fixedly installed at the bottom of the fixed frame inner wall, and the other end of the spring is fixedly installed at the top of the extrusion sheet.

[0008] In a preferred embodiment, a sealing block is fixedly installed on the inner wall of the end cap, the surface of the sealing block is embedded in one end of the cylinder body, and a sealing sheet is fixedly installed on the inner wall of the end cap, the inner wall of the sealing sheet is sleeved on the surface of one end of the cylinder body.

[0009] In a preferred embodiment, a sealing block two is fixedly installed on the inner wall of the end cover two, the surface of the sealing block two is embedded in the other end of the cylinder body, and a sealing sheet two is fixedly installed on the inner wall of the end cover two, the inner wall of the sealing sheet two is sleeved on the surface of the other end of the cylinder body.

[0010] In a preferred embodiment, a connecting block is fixedly installed at the other end of the guide rod, and a connector is fixedly installed on the other side of the connecting block.

[0011] In a preferred embodiment, a connecting block two is fixedly installed on the surface of the end cap two, and a connecting head two is fixedly installed on the other side of the connecting block two.

[0012] In a preferred embodiment, a bellows is fixedly installed on the other side of the end cap, the inner wall of the bellows is movably sleeved on the surface of the guide rod, and the other end of the bellows is fixedly installed on one side of the connecting block.

[0013] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0014] 1. In this utility model, when the device is subjected to a strong impact, the damping medium inside the cylinder carries a large amount of pressure into the inside of the hose, causing the hose, which is closed by the extrusion plate, to open. This allows the damping medium to flow to another chamber, releasing pressure, reducing the risk of failure, and making the device more complete.

[0015] 2. In this utility model, one end of the bellows is fixedly installed on the other side of the end cap, and the other end of the bellows is fixedly installed on the surface of the connecting block. The bellows is sleeved on the surface of the guide rod, so that the part of the guide rod that extends out when driving the piston is protected and will not be directly exposed to the environment, making the device more perfect. Attached Figure Description

[0016] Figure 1 A side view of an explosion-proof cavity viscous damper provided by this utility model;

[0017] Figure 2 A cutting diagram of an explosion-proof cavity viscous damper provided for this utility model;

[0018] Figure 3 A cutting diagram of the fixing frame for an explosion-proof cavity viscous damper provided by this utility model;

[0019] Figure 4A two-side view of the end cap of an explosion-proof cavity viscous damper provided by this utility model;

[0020] Figure 5 A side view of the end cap of an explosion-proof cavity viscous damper provided by this utility model.

[0021] Legend:

[0022] 1. Cylinder body; 2. Piston; 201. Damping hole; 202. Guide rod; 3. Hose; 4. Fixing bracket; 401. Restricting groove; 5. Round rod; 501. Round block; 6. Spring; 7. Extrusion plate; 701. Restricting block; 8. End cap one; 9. Sealing block one; 10. Sealing plate one; 11. End cap two; 12. Sealing block two; 13. Sealing plate two; 14. Connecting block one; 15. Connecting head one; 16. Connecting block two; 17. Connecting head two; 18. Bellows. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1-5 This utility model provides a technical solution: an explosion-proof cavity viscous damper, comprising: a cylinder 1, a piston 2 movably mounted on the inner wall of the cylinder 1, damping holes 201 evenly spaced on the circumference of the piston 2, a guide rod 202 fixedly mounted on one end of the piston 2, a flexible hose 3 fixedly mounted on the surface of the cylinder 1, a fixing frame 4 fixedly mounted on the surface of the cylinder 1, a round rod 5 movably embedded in the inner wall of the fixing frame 4, a round block 501 fixedly mounted on one end of the round rod 5, a spring 6 movably sleeved on the surface of the round rod 5, a compression plate 7 fixedly mounted on the other end of the round rod 5, the other side of the compression plate 7 adhering to the surface of the flexible hose 3, an end cap 8 bolted to one end of the cylinder 1, the guide rod 202 movably embedded in the inner wall of the end cap 8, and an end cap 11 bolted to the other end of the cylinder 1.

[0025] Specifically: When the device is first used, the end caps 8 and 11, bolted to both ends of the cylinder 1, seal both ends of the cylinder 1. Damping medium is then injected into the cylinder 1. The piston 2 installed inside the cylinder 1 divides the cylinder 1 into two chambers. A guide rod 202 installed on one side of the piston 2 guides and supports its movement. The guide rod 202 is movably mounted on the inner wall of the end cap 8. When the guide rod 202 drives the piston 2, the damping medium flows between the two chambers through the damping hole 201, generating damping force to buffer the pressure. Due to the elasticity of the spring 6, the compression plate 7, fixed to the other end of the round rod 5, compresses the hose 3 installed on the surface of the cylinder 1, keeping the hose 3 in a closed state. When subjected to a strong impact, the medium in the chamber flows into the hose 3, causing the hose 3 to open. This causes the spring 6 to contract, driving the compression plate 7 to move, allowing the medium to flow through the other chamber. This allows the device to release pressure when subjected to a strong impact, reducing the risk of chamber bursting and making the device more complete.

[0026] In one embodiment, the inner wall of the fixing frame 4 is provided with limiting grooves 401 on both sides, and the extrusion sheet 7 is fixedly installed with limiting blocks 701 on both sides. The surface of the limiting blocks 701 is movably installed on the inner wall of the limiting grooves 401.

[0027] Specifically: The limiting blocks 701, which are fixedly installed on both sides of the extrusion plate 7, are movably installed on the inner wall of the limiting groove 401, making the movement of the extrusion plate 7 more stable and the device more perfect.

[0028] In one embodiment, one end of the spring 6 is fixedly installed at the bottom of the inner wall of the fixing frame 4, and the other end of the spring 6 is fixedly installed at the top of the extrusion plate 7.

[0029] Specifically: By installing one end of the spring 6 at the bottom of the fixed frame 4 and the other end at the top of the compression plate 7, the spring 6 is made more stable on the device, its elasticity is better utilized, and the device is made more perfect.

[0030] In one embodiment, a sealing block 9 is fixedly installed on the inner wall of end cap 8, and the surface of sealing block 9 is embedded in one end of cylinder 1. A sealing sheet 10 is fixedly installed on the inner wall of end cap 8, and the inner wall of sealing sheet 10 is sleeved on the surface of one end of cylinder 1. A sealing block 12 is fixedly installed on the inner wall of end cap 11, and the surface of sealing block 12 is embedded in the other end of cylinder 1. A sealing sheet 13 is fixedly installed on the inner wall of end cap 11, and the inner wall of sealing sheet 13 is sleeved on the surface of the other end of cylinder 1.

[0031] Specifically: a sealing block 9 fixedly installed on the inner wall of end cap 8 is embedded at one end of cylinder 1, a sealing sheet 10 fixedly installed on the inner wall of end cap 8 is fitted on the surface of cylinder 1, a sealing block 12 fixedly installed on the inner wall of end cap 11 is embedded at the other end of cylinder 1, and a sealing sheet 13 fixedly installed on the inner wall of end cap 11 is fitted on the surface of cylinder 1, so that the device has a better sealing effect, the medium inside the device is not easy to leak, and the device is more perfect.

[0032] In one embodiment, a connecting block 14 is fixedly installed at the other end of the guide rod 202, a connector 15 is fixedly installed on the other side of the connecting block 14, a connecting block 16 is fixedly installed on the surface of the end cap 11, and a connector 17 is fixedly installed on the other side of the connecting block 16.

[0033] Specifically: Connecting block 14 is fixedly installed on the other end of the guide rod 202, and connector 15 is fixedly installed on the other side of connecting block 14. Connector 15 connects one end of the device to the required position. Connector 17 is fixedly installed on the other side of connecting block 26, making it convenient to install the other end of the device to the required position, thus making the device more complete.

[0034] In one embodiment, a bellows 18 is fixedly installed on the other side of the end cap 8. The inner wall of the bellows 18 is movably sleeved on the surface of the guide rod 202, and the other end of the bellows 18 is fixedly installed on one side of the connecting block 14.

[0035] Specifically: A bellows 18 is fixedly installed on the other side of the end cap 8, and the other end of the bellows 18 is fixedly installed on the surface of the connecting block 14. The bellows 18 is sleeved on the surface of the guide rod 202. When the guide rod 202 drives the piston 2 inside the cylinder 1 to reciprocate, it protects the protruding part of the guide rod 202, so that the guide rod 202 is not directly exposed to the environment, reducing the influence of the external environment on the guide rod 202 and making the device more perfect.

[0036] Working Principle: When the device is first used, end caps 8 and 11, bolted to both ends of cylinder 1, seal both ends of cylinder 1. Damping medium is then injected into cylinder 1. The piston 2 installed inside cylinder 1 divides cylinder 1 into two chambers. A guide rod 202 on one side of piston 2 guides and supports its movement. Connectors 15 and 17 are installed in the desired positions. Upon impact, the guide rod 202 drives piston 2 to move against the inner wall of cylinder 1. Damping medium flows between the two chambers through damping holes 201 on the surface of piston 2, generating damping force to buffer the impact pressure. The elasticity of spring 6 and the compression plate 7 fixed to the other end of round rod 5 further dampen the hose 3 installed on the surface of cylinder 1. The compression process keeps the hose 3 in a closed state. When subjected to a strong impact, the medium in the chamber flows into the hose 3, causing the hose 3 to open. This causes the spring 6 to contract and drive the compression plate 7 to move, allowing the medium to flow through another chamber. This allows the device to release pressure when subjected to a strong impact, reducing the risk of chamber bursting and making the device more complete. During use, the bellows 18, which is fixedly installed on the other side of the end cap 8, and the connecting block 14, which is fixedly installed on the other end of the bellows 18, are fitted onto the surface of the guide rod 202. When the guide rod 202 drives the piston 2 inside the cylinder 1 to reciprocate, the protruding part of the guide rod 202 is protected, preventing the guide rod 202 from being directly exposed to the environment and reducing the influence of the external environment on the guide rod 202, thus making the device more complete.

[0037] The above are merely preferred embodiments of this utility model and are not intended to limit the utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model without departing from the technical solution of this utility model shall still fall within the protection scope of this utility model.

Claims

1. A viscous damper for an explosion-proof cavity, characterized in that, include: A cylinder (1) is provided with a piston (2) movably mounted on the inner wall of the cylinder (1). The piston (2) has damping holes (201) evenly spaced around its surface. A guide rod (202) is fixedly mounted on one end of the piston (2). A hose (3) is fixedly mounted on the surface of the cylinder (1). A fixing frame (4) is fixedly mounted on the surface of the cylinder (1). A round rod (5) is movably embedded in the inner wall of the fixing frame (4). A round block (501) is fixedly mounted on one end of the round rod (5). A spring (6) is movably sleeved on the surface of the round rod (5). An extrusion plate (7) is fixedly mounted on the other end of the round rod (5). The other side of the extrusion plate (7) is attached to the surface of the hose (3). An end cap (8) is bolted to one end of the cylinder (1). The guide rod (202) is movably embedded in the inner wall of the end cap (8). An end cap (11) is bolted to the other end of the cylinder (1).

2. The explosion-proof cavity viscous damper according to claim 1, characterized in that: The inner wall of the fixed frame (4) is provided with limiting grooves (401) on both sides, and the extrusion piece (7) is fixedly installed with limiting blocks (701) on both sides. The surface of the limiting blocks (701) is movably installed on the inner wall of the limiting grooves (401).

3. The explosion-proof cavity viscous damper according to claim 1, characterized in that: One end of the spring (6) is fixedly installed at the bottom of the inner wall of the fixing frame (4), and the other end of the spring (6) is fixedly installed at the top of the extrusion plate (7).

4. The explosion-proof cavity viscous damper according to claim 1, characterized in that: A sealing block (9) is fixedly installed on the inner wall of the end cap (8), and the surface of the sealing block (9) is embedded in one end of the cylinder (1). A sealing sheet (10) is fixedly installed on the inner wall of the end cap (8), and the inner wall of the sealing sheet (10) is sleeved on the surface of one end of the cylinder (1).

5. The explosion-proof cavity viscous damper according to claim 1, characterized in that: A sealing block 2 (12) is fixedly installed on the inner wall of the end cap 2 (11), and the surface of the sealing block 2 (12) is embedded in the other end of the cylinder body (1). A sealing sheet 2 (13) is fixedly installed on the inner wall of the end cap 2 (11), and the inner wall of the sealing sheet 2 (13) is sleeved on the surface of the other end of the cylinder body (1).

6. The explosion-proof cavity viscous damper according to claim 1, characterized in that: A connecting block (14) is fixedly installed at the other end of the guide rod (202), and a connector (15) is fixedly installed on the other side of the connecting block (14).

7. The explosion-proof cavity viscous damper according to claim 1, characterized in that: A connecting block two (16) is fixedly installed on the surface of the end cap two (11), and a connecting head two (17) is fixedly installed on the other side of the connecting block two (16).

8. The explosion-proof cavity viscous damper according to claim 1, characterized in that: A corrugated pipe (18) is fixedly installed on the other side of the end cap (8). The inner wall of the corrugated pipe (18) is movably sleeved on the surface of the guide rod (202). The other end of the corrugated pipe (18) is fixedly installed on one side of the connecting block (14).

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