Protective viscous damper

Abstract

The utility model relates to the technical field of viscous dampers, and discloses a protection type viscous damper which comprises a damping base, the top of the damping base is connected with a damping piston in a sliding mode, the outer portion of the damping piston is fixedly connected with a sliding sleeve, and the bottom of the sliding sleeve is fixedly connected with a limiting ring. A guide ring is rotatably connected to the outer portion of the limiting ring, a sleeve is fixedly connected to the outer portion of the damping base, a threaded ring is connected to the outer portion of the damping base in a threaded mode, a plurality of guide frames are connected to the bottom of the guide ring, a guide groove is formed in the sleeve, and a spring is arranged in the sliding sleeve. And the top of the damping base is fixedly connected with a sealing block. The multi-guide structure ensures that the damping piston moves along a preset straight line, reduces part abrasion caused by deviation and maintains stable matching of the damping piston and the damping base, meanwhile, the sliding sleeve isolates the damping piston from being in contact with the outside, and the sleeve protects the internal structure in an all-around mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to viscous damper technical field especially relates to a protection formula viscous damper. BACKGROUND

[0002] The damper is a kind of device for dissipating vibration energy, slows down the speed and reduces the vibration amplitude, its working principle is mainly through the flow or friction of damping medium (such as oil, air, etc.), the kinetic energy of moving object is converted into heat energy or other forms of energy, to play the damping effect, damper is various, common has viscoelastic damper, metal damper etc., viscoelastic damper combines the viscous and elastic material characteristics, can effectively reduce vibration under different frequencies;Metal damper relies on the plastic deformation of metal material to consume energy, has higher durability and stability, damper is widely used in construction engineering, mechanical engineering, aerospace, etc., can improve structural stability, reduce equipment wear, improve the safety and reliability of system.

[0003] Viscous damper is a common damping device, mainly relies on viscous fluid to dissipate energy. It is usually composed of cylinder, piston and viscous damping medium, cylinder is filled with viscous liquid, such as silicon oil, etc., piston is provided with special small hole or channel, when structure produces vibration or displacement, piston does reciprocating motion in cylinder, forces viscous liquid to pass through the small hole or channel on piston, the internal friction between liquid molecules and the friction between liquid and piston, cylinder wall can consume a lot of energy, convert the kinetic energy of structure into heat energy, to play the role of vibration reduction and energy consumption, viscous damper has good linear damping characteristics, can work stably under different amplitude and frequency, can effectively reduce the vibration response of building under the action of earthquake, wind load etc., is also commonly used in bridge, machinery and other fields, improves the stability and safety of structure.

[0004] But part of the existing viscous damper cannot accurately guide the reciprocating motion of damper piston during structure vibration, causes the deviation of piston motion track from the expectation, further affects the normal energy consumption of damper, simultaneously, due to lack of effective protection mechanism, dust, water vapor and other impurities in external environment are easy to invade damper interior, corrode the key components of damper, accelerate the aging wear of sealing element, greatly increase the leakage risk of damping medium, finally cannot realize the all-around and reliable guidance and protection of damper, seriously threatens the long-term stable operation and service life of damper in building structure or other application fields, therefore, aiming at the above insufficient, a protection formula viscous damper is provided to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above insufficient, the utility model provides a protection formula viscous damper, aims at improving the problem that part of viscous damper in prior art cannot realize the effective guidance and protection of damper.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] A protective viscous damper, including damping base, the top of damping base is connected with damping piston slidingly, the outside of damping piston is fixedly connected with sliding sleeve, the bottom of sliding sleeve is fixedly connected with limit ring, the outside of limit ring is rotatably connected with guide ring, the outside of damping base is fixedly connected with sleeve, the outside of damping base is threadedly connected with screw ring, the bottom of guide ring is connected with a plurality of guide frame, the inside of sleeve is provided with guide groove, the inside of sliding sleeve is provided with spring, the top of damping base is fixedly connected with sealing block, the inside of sealing block is provided with sealing assembly;

[0008] Specifically: the guide groove in the sleeve provides a path for the sliding of the guide ring, the spring in the sliding sleeve can participate in damping adjustment, the sealing block at the top of the damping base and the internal sealing assembly ensure the sealing of the damper, and the structure makes the damper run in coordination with each part, realizes stable damping function.

[0009] Further description of the above technical scheme:

[0010] The sealing assembly comprises a fixed ring, the bottom of the fixed ring is fixedly connected to the top of the sealing block, the bottom of the fixed ring is fixedly connected with an outer sealing ring, the bottom of the fixed ring is fixedly connected with an inner sealing ring, and the top of the fixed ring is fixedly connected with an upper sealing ring.

[0011] Specifically: during the movement of the damping piston, the outer sealing ring seals the connection between the fixed ring and the sealing block, the inner sealing ring seals the gap between the damping piston and the fixed ring, and the upper sealing ring seals the gap between the damping piston and the top of the fixed ring, effectively preventing water vapor and impurities from entering, and ensuring the cleanliness and normal operation of the damper.

[0012] Further description of the above technical scheme:

[0013] One end of the spring is fixedly connected to the inside top side of the sliding sleeve, and the other end of the spring is fixedly connected to the top of the screw ring.

[0014] Specifically: adjusting the position of the screw ring, the spring will be compressed or stretched, the elastic force generated by the spring can generate resistance or assistance to the movement of the damping piston, participate in the damping force adjustment process, so that the damper can adapt to different external loads and damping requirements.

[0015] Further description of the above technical scheme:

[0016] The inside of the threaded ring is provided with a plurality of sliding grooves, and the outside of the guide frame is slidably connected in the inside of the sliding grooves of the threaded ring.

[0017] Specifically, when the damping piston slides to drive the guide ring to move, the guide frame at the bottom of the guide ring slides in the sliding groove of the threaded ring, which provides additional guiding support for the displacement of the damping piston, ensures the direction of the damping piston during movement to be more accurate, and improves the working precision and stability of the damper.

[0018] As a further description of the above technical solutions:

[0019] The outside of the guide ring is slidably connected in the inside of the guide groove, and the outside of the sliding sleeve is rotatably connected in the inside of the guide ring.

[0020] Specifically, when the damping piston slides to drive the sliding sleeve to move, the guide ring slides in the guide groove, which provides accurate guiding for the displacement of the damping piston and ensures the damping piston to always move in the predetermined straight line direction.

[0021] As a further description of the above technical solutions:

[0022] The outside of the damping piston is slidably connected in the inside of the sealing block, and the outside of the damping piston is slidably connected in the inside of the upper sealing ring.

[0023] Specifically, during movement, the fixed ring provides a basis for installation and positioning of the inner sealing ring and other sealing components, the inner sealing ring is in close contact with the surface of the damping piston, an effective sealing barrier is formed between the damping piston and the fixed ring, water vapor, impurities and the like are prevented from entering the inside of the damper, leakage of the medium in the inside of the damper is prevented, and the stability of the internal environment of the damper is ensured.

[0024] As a further description of the above technical solutions:

[0025] The outside of the damping piston is slidably connected in the inside of the fixed ring, and the outside of the damping piston is slidably connected in the inside of the inner sealing ring.

[0026] Specifically, the inner sealing ring is in close contact with the surface of the damping piston, an effective sealing barrier is formed between the damping piston and the fixed ring, water vapor, impurities and the like are prevented from entering the inside of the damper, leakage of the medium in the inside of the damper is prevented, and the stability of the internal environment of the damper is ensured.

[0027] As a further description of the above technical solutions:

[0028] A sealing groove is formed in the top of the sealing block, and the outside of the outer sealing ring is slidably connected in the inside of the sealing groove of the sealing block.

[0029] Specifically, when the damping piston moves, the outer sealing ring fills in the gap between the fixed ring and the sealing block, effectively seals the connection, prevents water vapor, dust, impurities and the like from entering the damper from the connection, further enhances the sealing performance of the damper, and ensures the normal work of the damper.

[0030] The utility model has the advantages of the following:

[0031] 1、The utility model discloses a damping piston sliding drives the sliding sleeve, makes the guide ring slide in the guide groove of the sleeve, and the guide frame of the guide ring bottom cooperates in the screw ring sliding groove, and multiple guide structures ensure that the damping piston moves along the predetermined straight line, reduces the abrasion of components caused by deviation, maintains the stable cooperation of the damping piston and the damping base, simultaneously, the sliding sleeve insulates the damping piston and the outside contact, and the sleeve all -round protection internal structure, effectively blocks rainwater, wind sand erosion key components under the outdoor environment, and greatly prolongs the service life of the damper whole.

[0032] 2、The utility model discloses a damping piston slides in the damping base, and the upper sealing ring is fixed at the top of the fixed ring and is closely combined with the damping piston, and the inner sealing ring forms a sealing barrier at the bottom of the fixed ring, prevents impurities from entering and internal medium leakage, can prevent metal components from rusting under the humid environment, and the outer sealing ring is fixed at the bottom of the fixed ring and is filled in the gap between it and the sealing block, can effectively prevent dust from entering from the connection in the dusty environment, maintains internal cleanliness, guarantees normal operation of each component, and ensures that the damper works stably. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 A perspective view of a protective viscous damper is provided for the utility model;

[0034] Figure 2 A sleeve structure schematic view of a protective viscous damper is provided for the utility model;

[0035] Figure 3 A sliding sleeve structure schematic view of a protective viscous damper is provided for the utility model;

[0036] Figure 4 A sealing block structure schematic view of a protective viscous damper is provided for the utility model.

[0037] LEGEND:

[0038] 1, damping base;2, damping piston;3, sliding sleeve;4, limit ring;5, guide ring;6, guide frame;7, sleeve;8, screw ring;9, guide groove;10, spring;11, sealing block;12, fixed ring;13, outer sealing ring;14, inner sealing ring;15, upper sealing ring. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0040] With reference to Figures 1 to 3 The utility model provides an embodiment: a kind of protective viscous damper, including damping base 1, damping base 1 as the basis support structure of entire protective viscous damper, play the role of firm, the top of damping base 1 is slidably connected with damping piston 2, damping piston 2 is the core structure of entire damper realization damping function, with damping base 1 closely cooperate, when damper works, by sliding in the inside of damping base 1 to realize the dissipation of vibration energy, the outside of damping piston 2 is fixedly connected with sliding sleeve 3, sliding sleeve 3 is synchronous with the sliding of damping piston 2 in damping base 1 and moves, the bottom of sliding sleeve 3 is fixedly connected with limit ring 4, limit ring 4 is mainly used to limit the movement range of sliding sleeve 3 in damping base 1, the outside of limit ring 4 is rotatably connected with guide ring 5, the outside of sliding sleeve 3 is rotatably connected in the inside of guide ring 5, guide ring 5 slides in the guide groove 9 of sleeve 7 with the movement of sliding sleeve 3 and limit ring 4, provide accurate guide for the displacement of damping piston 2, ensure that damping piston 2 always moves along predetermined straight line direction, improve the working accuracy and reliability of damper, the outside of damping base 1 is fixedly connected with sleeve 7, sleeve 7 can effectively protect internal structural components from the influence of external environmental factors, provide protection effect, prolong the service life of damper;

[0041] The outside of damping base 1 is threadedly connected with threaded ring 8, the inside of threaded ring 8 is provided with a plurality of sliding grooves, the outside of guide frame 6 is slidably connected in the inside of threaded ring 8 sliding groove, the bottom of guide ring 5 is connected with a plurality of guide frames 6, when damping piston 2 slides, drive sliding sleeve 3, limit ring 4 and guide ring 5 move together, guide ring 5 passes through guide frame 6 and transmits displacement to threaded ring 8, while guide frame 6 slides in the sliding groove of threaded ring 8, provide additional guide support for the displacement of damping piston 2, the inside of sleeve 7 is provided with guide groove 9, guide groove 9 provides accurate guide path for the sliding of guide ring 5, the outside of guide ring 5 is slidably connected in the inside of guide groove 9, the inside of sliding sleeve 3 is provided with spring 10, by rotating threaded ring 8, the position of threaded ring 8 on damping base 1 can be changed, and then the compression amount of spring 10 is adjusted to adapt to different damping requirements;

[0042] One end of the spring 10 is fixedly connected to the inner top side of the sliding sleeve 3, and the other end of the spring 10 is fixedly connected to the top of the threaded ring 8. When the damping piston 2 slides, the spring 10 will be compressed or stretched with the change of the position of the threaded ring 8, and the elastic force generated thereby can generate certain resistance or assistance to the movement of the damping piston 2, thereby participating in the adjustment process of the damping force. By adjusting the position of the threaded ring 8, the compression amount of the spring 10 can be changed, and then the force of the spring 10 acting on the damping piston 2 can be adjusted to adapt to different external loads and damping requirements. The top of the damping base 1 is fixedly connected with a sealing block 11, which is designed to closely fit the structure of the top of the damping base 1 and the outside of the damping piston 2, so as to ensure that the damping piston 2 can slide smoothly while achieving good sealing effect. The outside of the damping piston 2 is slidably connected to the inside of the sealing block 11, and the inside of the sealing block 11 is provided with a sealing assembly.

[0043] Referring to Figure 1 , Figure 2 and Figure 4 , the sealing assembly includes a fixed ring 12 fixedly connected to the top of the sealing block 11. The fixed ring 12 plays an important role in connecting and positioning the sealing assembly. The outside of the damping piston 2 is slidably connected to the inside of the fixed ring 12. The bottom of the fixed ring 12 is fixedly connected with an outer sealing ring 13. The outer sealing ring 13 is mainly used for sealing the connection between the fixed ring 12 and the sealing block 11, filling the gap between the fixed ring 12 and the sealing block 11, preventing water vapor, dust, impurities and the like from entering the damper interior from this connection. A sealing groove is formed in the top of the sealing block 11, and the outside of the outer sealing ring 13 is slidably connected to the inside of the sealing groove of the sealing block 11. The bottom of the fixed ring 12 is fixedly connected with an inner sealing ring 14, which mainly undertakes the task of sealing the sliding gap between the damping piston 2 and the fixed ring 12.

[0044] When the damping piston 2 slides in the fixed ring 12, the inner sealing ring 14 is in close contact with the surface of the damping piston 2, forming an effective sealing barrier to prevent water vapor, impurities and the like from entering the damper interior, while also preventing the leakage of the medium inside the damper. The outside of the damping piston 2 is slidably connected to the inside of the inner sealing ring 14. The top of the fixed ring 12 is fixedly connected with an upper sealing ring 15. The outside of the damping piston 2 is slidably connected to the inside of the upper sealing ring 15. When the damping piston 2 slides up and down in the fixed ring 12, the upper sealing ring 15 always closely fits the surface of the damping piston 2, forming a strict defense line between the damping piston 2 and the gap at the top of the fixed ring 12, effectively preventing water vapor, dust and other small impurities from entering the core area of the damper along the movement track of the damping piston 2.

[0045] Working principle: in the working of the viscous damper, the damping piston 2 slides in the inside of the damping base 1, at this time, the sliding sleeve 3 slides in the inside of the sleeve 7, the guide ring 5 slides in the inside of the threaded ring 8, at this time, the guide frame 6 slides in the inside of the threaded ring 8, thereby providing the guide action for the displacement of the damping piston 2, at the same time, the sliding sleeve 3 and the sleeve 7 can respectively provide the protection for the damping piston 2 and the damping base 1, thereby greatly improving the stability and safety during the operation of the damper.

[0046] When the position of the threaded ring 8 needs to be adjusted, the position of the threaded ring 8 can be adjusted, thereby adjusting the compression amount of the spring 10, so as to adapt to different damping requirements, the rotation of the limiting ring 4 and the guide ring 5 can guarantee that the rotation of the threaded ring 8 will not cause interference.

[0047] When the damping piston 2 slides in the inside of the damping base 1, the effective sealing during the sliding of the damping piston 2 and the damping base 1 can be realized by means of the upper sealing ring 15 and the inner sealing ring 14, at the same time, the connecting part of the fixed ring 12 and the sealing block 11 can be effectively sealed by means of the outer sealing ring 13, thereby effectively preventing the water vapor or impurities from entering to affect the normal work of the damper.

[0048] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. Guarded viscous damper comprising a damping base (1), characterized in that: The top of the damping base (1) is slidably connected with a damping piston (2), the outer part of the damping piston (2) is fixedly connected with a sliding sleeve (3), the bottom of the sliding sleeve (3) is fixedly connected with a limiting ring (4), the outer part of the limiting ring (4) is rotatably connected with a guide ring (5), the outer part of the damping base (1) is fixedly connected with a sleeve (7), the outer part of the damping base (1) is threadedly connected with a threaded ring (8), the bottom of the guide ring (5) is connected with a plurality of guide frames (6), the inner part of the sleeve (7) is provided with a guide groove (9), the inner part of the sliding sleeve (3) is provided with a spring (10), the top of the damping base (1) is fixedly connected with a sealing block (11), and the inner part of the sealing block (11) is provided with a sealing assembly.

2. A shielded viscous damper according to claim 1, wherein: The sealing assembly comprises a fixed ring (12), the bottom of the fixed ring (12) is fixedly connected to the top of the sealing block (11), the bottom of the fixed ring (12) is fixedly connected with an outer sealing ring (13), the bottom of the fixed ring (12) is fixedly connected with an inner sealing ring (14), and the top of the fixed ring (12) is fixedly connected with an upper sealing ring (15).

3. A shielded viscous damper according to claim 1, wherein: One end of the spring (10) is fixedly connected to the inner top side of the sliding sleeve (3), and the other end of the spring (10) is fixedly connected to the top of the threaded ring (8).

4. A shielded viscous damper according to claim 1, wherein: The inner part of the threaded ring (8) is provided with a plurality of sliding grooves, and the outer part of the guide frame (6) is slidably connected in the sliding groove of the threaded ring (8).

5. A shielded viscous damper according to claim 1, wherein: The outer part of the guide ring (5) is slidably connected in the inner part of the guide groove (9), and the outer part of the sliding sleeve (3) is rotatably connected in the inner part of the guide ring (5).

6. A shielded viscous damper according to claim 2, wherein: The outer part of the damping piston (2) is slidably connected in the inner part of the sealing block (11), and the outer part of the damping piston (2) is slidably connected in the inner part of the upper sealing ring (15).

7. A shielded viscous damper according to claim 2, wherein: The outer part of the damping piston (2) is slidably connected in the inner part of the fixed ring (12), and the outer part of the damping piston (2) is slidably connected in the inner part of the inner sealing ring (14).

8. A shielded viscous damper according to claim 2, wherein: The top of the sealing block (11) is provided with a sealing groove, and the outer part of the outer sealing ring (13) is slidably connected in the inner part of the sealing groove of the sealing block (11).

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