Mechanical vibration reduction sealing element
By designing a triangular structure for the support and damping components, combined with a sealing ring and fixing screws, the vibration reduction and sealing problems of the mechanical seals were solved, achieving effective buffering and stable sealing, and improving the operating performance of the machinery.
Patent Information
- Application Number
- CN202422599891.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-28
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-10-28
AI Technical Summary
Existing mechanical seals are insufficient to achieve vibration reduction and sealing effects, resulting in excessive mechanical vibration, noise, reduced mechanical life, and water ingress due to poor sealing.
A mechanical vibration damping seal is designed, including a support assembly and a vibration damping assembly. The support assembly is internally equipped with a support rod, a buffer plate, a buffer spring, and a bellows. It is fixed by a triangular buffer pad and a fixing groove, and sealed by a sealing ring. The buffer plate and the telescopic rod provide buffering. The fixing screws fix the vibration damping assembly to form a stable vibration damping structure.
It achieves effective buffering and sealing during mechanical vibration, avoids noise generation, improves the service life and sealing performance of the machinery, and prevents water ingress failure.
Smart Images
Figure CN223609283U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical damping sealing technical field, concretely is a kind of mechanical damping sealing. BACKGROUND
[0002] Mechanical seal is one of precision, relatively complex structure mechanical basic element, is the key component of various pumps, reaction synthesis kettle, turbine compressor, submersible motor and other equipment, mechanical seal refers to by at least one pair of end face perpendicular to rotation axis under the action of fluid pressure and compensation mechanism elastic force (or magnetic force) and the cooperation of auxiliary seal keeps close and relatively slides and constitutes the device to prevent fluid leakage.Auxiliary seal of compensation ring is called bellows mechanical seal by metal bellows;
[0003] The existing mechanical seal is difficult to achieve the effect of damping sealing when in use, which can cause noise due to excessive vibration during operation of the machine, reduce the service life of the machine, and poor sealing of the seal can cause the machine to be waterlogged and malfunction, so that it cannot be used normally. SUMMARY
[0004] In view of the deficiencies of the prior art, the utility model provides a kind of mechanical damping sealing, solve the existing mechanical seal in use Difficult to achieve the effect of damping sealing, which can cause noise due to excessive vibration during operation of the machine, reduce the service life of the machine, and poor sealing of the seal can cause the machine to be waterlogged and malfunction, so that it cannot be used normally.
[0005] To achieve the above purpose, the utility model is realized by the following technical scheme: a kind of mechanical damping sealing. Including support assembly, the inside of support assembly is provided with damping assembly, the damping assembly includes support rod, the upper end of support rod is sleeved with buffer sheet, the side of buffer sheet is movably connected with telescopic rod, the outside of telescopic rod is sleeved with buffer spring, the outside of buffer spring is sleeved with bellows, the bottom of telescopic rod is movably connected with fixed part, the bottom of fixed part is fixedly connected with fixed screw.
[0006] Preferably, the support assembly includes a pressure-bearing body, a buffer pad is fixedly connected to the bottom of the inner cavity of the pressure-bearing body, the buffer pad is triangular in shape and has a fixed groove formed therein, and a sleeve is arranged at each of the three corners of the buffer pad.
[0007] Preferably, the fixed screw penetrates the inside of the sleeve.
[0008] Preferably, the bottom of the support rod extends outward and is provided with a triangular fixing plate, and the triangular fixing plate is clamped in the fixed groove.
[0009] Preferably, the inside of the pressure-bearing body is provided with a partition plate, and the buffer pad is fixedly connected in an X shape between the bottom of the pressure-bearing body and the partition plate.
[0010] Preferably, one end of the support rod penetrates through the top of the pressure-bearing body, and the top of the buffer sheet is attached to the top of the inner cavity of the pressure-bearing body.
[0011] Preferably, the top of the support rod is fixedly connected with a sealing ring, and the bottom of the sealing ring is fixedly connected to the top of the pressure-bearing body.
[0012] Preferably, the buffer sheet is composed of three arc-shaped structures, and the inner walls of the three buffer sheets are attached to the surface of the support rod.
[0013] The utility model provides a kind of mechanical damping sealing element.Compared with prior art, it has the following beneficial effects:
[0014] 1. A kind of mechanical damping sealing element, the sealing ring being arranged on the top of the pressure-bearing body, the inside of the pressure-bearing body can be sealed, so as to protect the inside of the sealing element from water ingress and failure, when the support rod is stressed, the triangular fixed plate being arranged on the bottom of the support rod is clamped in the inside of the fixed slot, the vibration generated by the mechanical damping under the support of the buffer pad can be buffered, the telescopic rod being arranged at one end of the buffer sheet attached to the surface of the support rod provides continuous support to the support rod, the buffer spring being sleeved outside the telescopic rod can buffer the pressure received by the telescopic rod again, avoid the mechanical sealing element from being difficult to achieve damping sealing effect when in use, resulting in noise due to excessive vibration when the mechanical is operated, reduce the service life of the mechanical.
[0015] 2. A kind of mechanical damping sealing element, the telescopic rod being arranged on the top of the fixed part and the buffer spring and the bellows being sleeved outside are fixed in the inner cavity of the pressure-bearing body by the fixing screw being penetrated in the inside of the sleeve, avoid moving when subjected to mechanical vibration, resulting in the internal buffering and damping effect being poor, since the internal buffer pad and the fixed slot are both arranged in triangular structure, have stability, can make the sealing element more stable when in use, and the damping effect is better. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 It is the overall structure schematic view of the utility model.
[0017] Fig. 2 It is the support assembly structure schematic view of the utility model.
[0018] Fig. 3 It is the damping assembly structure schematic view of the utility model.
[0019] Fig. 4 It is the overall structure section view of the utility model.
[0020] Fig. 5 It is a local structure schematic view of the utility model.
[0021] In the figure: 1, support assembly; 2, damping assembly; 11, pressure-bearing main body; 12, sealing ring; 13, sleeve; 14, buffer pad; 15, fixed groove; 21, support rod; 22, bellows; 23, buffer sheet; 24, fixing piece; 25, fixed screw; 26, triangular fixed plate; 27, buffer spring; 28, telescopic rod. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model.
[0023] Please refer to Figs. 1-4 The utility model provides a kind of technical scheme: a kind of mechanical damping sealing element.It includes support assembly 1, support assembly 1 is internally provided with damping assembly 2, damping assembly 2 includes support rod 21, support rod 21 can be welded in the bottom of machine, the upper end of support rod 21 is sleeved with buffer sheet 23, buffer sheet 23 is used to support support rod 21, the side surface of buffer sheet 23 is movably connected with telescopic rod 28, telescopic rod 28 is externally sleeved with buffer spring 27, buffer spring 27 is externally sleeved with bellows 22, the bottom of telescopic rod 28 is movably connected with fixing piece 24, the bottom of fixing piece 24 is fixedly connected with fixed screw 25, telescopic rod 28 is used when support rod 21 is extruded by the vibration of machine, telescopic rod 28 is inwards contracted to buffer the force of vibration, buffer spring 27 is relieved extruded force that telescopic rod 28 is subjected to due to the elastic force of itself, bellows 22 is used to fix buffer spring 27 on the outside of telescopic rod 28, fixing piece 24 is used to be penetrated in the inside of sleeve 13 by bottom fixed screw 25, damping assembly 2 is fixed, so that sealing element is more obvious when effect is more obvious, structure is more stable when damping.
[0024] Please refer to Figs. 1-4The supporting assembly 1 comprises a pressure-bearing body 11, the inner cavity bottom of the pressure-bearing body 11 is fixedly connected with a buffer pad 14, the buffer pad 14 is used for supporting the pressure-bearing body 11 and the connecting part of the supporting rod 21, improving the buffering effect, avoiding the damage of the inner part of the pressure-bearing body 11 caused by the direct impact force during buffering, the buffer pad 14 is triangular, and a fixed groove 15 is arranged in the inner part of the buffer pad 14, a sleeve 13 is arranged at each corner of the buffer pad 14, a fixing screw 25 penetrates the inner part of the sleeve 13, the sleeve 13 can fix the damping assembly 2 in the inner part of the pressure-bearing body 11 through the fixing screw 25, the bottom of the supporting rod 21 extends outward and is provided with a triangular fixing plate 26, the triangular fixing plate 26 is clamped in the inner part of the fixed groove 15, and the supporting rod 21 is fixed, a partition plate is arranged in the inner part of the pressure-bearing body 11, the buffer pad 14 is fixedly connected between the bottom of the pressure-bearing body 11 and the partition plate, and the mechanical vibration received can be offset through the inner gap, one end of the supporting rod 21 penetrates the top of the pressure-bearing body 11, the top of the buffer piece 23 is attached to the top of the inner cavity of the pressure-bearing body 11, and the pressure-bearing body 11 and the supporting rod 21 can be supported at the same time, the top of the supporting rod 21 is fixedly connected with a sealing ring 12, the bottom of the sealing ring 12 is fixedly connected to the top of the pressure-bearing body 11, and the sealing ring 12 is fixedly connected between the surface of the supporting rod 21 and the top of the pressure-bearing body 11, so that the inner part of the pressure-bearing body 11 forms a sealed state, preventing water from entering the inner part to cause failure, the buffer piece 23 is composed of three circular arc structures, the inner walls of the three buffer pieces 23 are attached to the surface of the supporting rod 21, the force received by the supporting rod 21 can be dispersed, and the damping effect of the sealing element is improved.
[0025] In use, the telescopic rod 28 arranged at the top of the fixing piece 24 and the buffer spring 27 and the bellows 22 sleeved outside are fixed in the inner cavity of the pressure-bearing body 11 by penetrating the inner part of the sleeve 13 through the fixing screw 25, so that the telescopic rod 28 and the buffer spring 27 and the bellows 22 are prevented from moving when subjected to mechanical vibration, and the internal buffering and damping effect is improved, the internal buffering pad 14 and the fixed groove 15 are both triangular structures, which are stable, so that the sealing element is more stable in use, the sealing ring 12 arranged at the top of the pressure-bearing body 11 can seal the inner part of the pressure-bearing body 11, so as to protect the inner part of the sealing element from water and failure, when the supporting rod 21 is stressed, the triangular fixing plate 26 arranged at the bottom of the supporting rod 21 is clamped in the inner part of the fixed groove 15, the vibration generated by the machine can be buffered under the supporting action of the buffer pad 14, the telescopic rod 28 arranged at one end of the buffer piece 23 attached to the surface of the supporting rod 21 continuously supports the supporting rod 21, and the buffer spring 27 sleeved outside the telescopic rod 28 can buffer the pressure received by the telescopic rod 28 again.
[0026] In the present embodiment, a mechanical damping seal, in the above-mentioned components, the structure characteristics, working principle are all adopted in the prior art, here is not described in detail.
[0027] It should be noted that, in this paper, such as the first and second relationship terms are only used to distinguish one entity or operation from another entity or operation, and does not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the term "includes", "contains" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or also includes the elements inherent in such process, method, article or equipment.
[0028] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A mechanical vibration damping seal comprising a support assembly (1), characterized in that: The support assembly (1) is internally provided with a damping assembly (2); The damping assembly (2) comprises a support rod (21), the upper end of the support rod (21) is sleeved with a buffer sheet (23), the side surface of the buffer sheet (23) is movably connected with an extension rod (28), the outer portion of the extension rod (28) is sleeved with a buffer spring (27), the outer portion of the buffer spring (27) is sleeved with a bellows (22), the bottom of the extension rod (28) is movably connected with a fixing piece (24), the bottom of the fixing piece (24) is fixedly connected with a fixing screw (25); The support assembly (1) comprises a pressure-bearing main body (11), the inner cavity bottom of the pressure-bearing main body (11) is fixedly connected with a buffer pad (14), the buffer pad (14) is triangular, and a fixing groove (15) is formed in the inner portion of the buffer pad (14), and the three corners of the buffer pad (14) are provided with sleeves (13).
2. A mechanical vibration damping seal according to claim 1, wherein: The fixing screw (25) penetrates the inner portion of the sleeve (13).
3. A mechanical vibration damping seal according to claim 1, wherein: The bottom of the support rod (21) is provided with a triangular fixing plate (26) after extending to the periphery, and the triangular fixing plate (26) is clamped in the inner portion of the fixing groove (15).
4. A mechanical vibration damping seal according to claim 1, wherein: The inner portion of the pressure-bearing main body (11) is provided with a partition plate, and the buffer pad (14) is fixedly connected between the bottom of the pressure-bearing main body (11) and the partition plate in an X shape.
5. A mechanical vibration damping seal according to claim 3, wherein: One end of the support rod (21) penetrates the top of the pressure-bearing main body (11), and the top of the buffer sheet (23) is attached to the inner cavity top of the pressure-bearing main body (11).
6. A mechanical vibration damping seal according to claim 5, wherein: The top of the support rod (21) is fixedly connected with a sealing ring (12), and the bottom of the sealing ring (12) is fixedly connected to the top of the pressure-bearing main body (11).
7. A mechanical vibration damping seal according to claim 1, wherein: The buffer sheet (23) is composed of three arc-shaped structures, and the inner walls of the three buffer sheets (23) are attached to the surface of the support rod (21).