A high wear resistant double mechanical seal
By designing elastic components and fasteners that match the limiting groove and limiting post, the problem of difficult quick installation and disassembly of existing high wear-resistant double-end mechanical seals is solved, enabling quick replacement and maintenance as well as improved sealing performance.
Patent Information
- Application Number
- CN202520129272.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Existing high wear-resistant double-end mechanical seals have a fixed elastic structure, which makes them difficult to install, disassemble, replace, and repair quickly.
Design a structure including an installation tube, an elastic component, and fasteners. Through the cooperation of a limiting groove and a limiting post, the elastic component can be quickly disassembled and installed. Combined with the elastic fixation of the spring, it facilitates replacement and maintenance.
It enables rapid installation, disassembly, and replacement of high wear-resistant double-end mechanical seals, improving maintenance efficiency and enhancing the adaptability and sealing performance of the seals.
Smart Images
Figure CN223881723U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to double -sided mechanical seal technical field, concretely is a kind of high wear resistance double -sided mechanical seal. BACKGROUND
[0002] Double -sided mechanical seal is composed of two parallel friction pairs, each friction pair includes a dynamic ring and a static ring. Dynamic ring rotates with shaft, while static ring remains fixed. A very thin liquid film is maintained between the two friction pairs to achieve effective sealing. High wear resistance double -sided mechanical seal adopts specially designed friction pair material in structure, such as hard alloy, silicon carbide, etc., and has high wear resistance. In use, in order to keep the fit of sealing end face, elastic structure is installed, but most of the elastic structure is fixed, which is not easy to replace and maintain by welding, and has certain shortcomings. Therefore, we propose a kind of high wear resistance double -sided mechanical seal. SUMMARY
[0003] The utility model aims at solving the problems in prior art or related art.
[0004] Therefore, the technical scheme adopted by the utility model is as follows: a kind of high wear resistance double -sided mechanical seal, including installation pipe, elastic component, fastener, dynamic ring, upper static ring and lower static ring, the inside of the installation pipe is equipped with several limit posts, the elastic component includes the fixed ring being arranged in the installation pipe and the limit slot being opened in the outside of the fixed ring, the fastener includes the fixed block being arranged in the installation pipe, the second spring being arranged on the fixed block and the abutting block being arranged on the second spring, the dynamic ring is inserted in the top of the installation pipe, the upper static ring is arranged in the top of the installation pipe, and the lower static ring is arranged in the bottom of the installation pipe.
[0005] Preferably, the outside of the installation pipe is provided with a plurality of through holes, and the inside of the installation pipe is provided with a groove for mounting the fastener.
[0006] Preferably, the elastic component further includes a first spring arranged at the top end of the fixed ring and a buffer ring arranged on the first spring, and a plurality of first springs are distributed in a circle.
[0007] Preferably, the elastic component and the dynamic ring are both arranged with two, and two dynamic rings are symmetrically distributed on the upper and lower ends of the installation pipe.
[0008] Preferably, the outside of the upper static ring is inserted with a first sealing ring, and the upper static ring is provided with a mounting hole for fixing.
[0009] Preferably, the outside of the lower static ring is inserted with two second sealing rings.
[0010] The utility model discloses obtained beneficial effect is as follows: the utility model discloses through setting up elastic component and fastener, realizes the effect of quick installation and dismounting under the condition of not influencing double -end face mechanical seal piece use, so that the replacement maintenance is convenient and easy to fix, when using, the user can apply the rotating force to the buffer ring of elastic component, makes the buffer ring drive fixed ring rotation, until the fixed ring on the limit slot aligns the limit post in the installation pipe, then directly moves the buffer ring outward, until the fixed ring separates the installation pipe, can quick dismounting elastic component, then can make the limit slot of elastic component align the limit post in the installation pipe and intercalate, until the fixed ring can not move, then can rotate fixed ring, makes the limit slot no longer aligns the limit post, can quick installation elastic component, so that the replacement maintenance is convenient and easy to fix, and the second spring of fastener has certain elasticity, makes the abutment block can firmly abut fixed ring, and the elastic component is convenient and easy to fix. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is structure schematic diagram of the utility model;
[0012] Figure 2 It is structure schematic diagram of the utility model Figure 1 It is structure schematic diagram of the utility model
[0013] Figure 3 It is structure schematic diagram of the utility model Figure 1 It is structure schematic diagram of the utility model
[0014] Figure 4 It is structure schematic diagram of the utility model Figure 3 It is structure schematic diagram of the utility model
[0015] Figure 5 It is structure schematic diagram of the utility model Figure 1 It is structure schematic diagram of the utility model.
[0016] Reference signs:
[0017] 100, installation pipe, 101, through -hole, 102, limit post, 103, recess;
[0018] 200, elastic component, 201, fixed ring, 202, first spring, 203, buffer ring, 204, limit slot;
[0019] 300, fastener, 301, fixed block, 302, second spring, 303, abutment block;
[0020] 400, moving ring;
[0021] 500, upper static ring, 501, first sealing ring, 502, mounting hole;
[0022] 600, lower static ring; 601, second sealing ring. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the utility model is further described in detail below in combination with specific embodiments and with reference to the drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.
[0024] Some embodiments of the utility model are described below in combination with the drawings to provide a high-wear-resistant double-end-face mechanical sealing element.
[0025] Embodiment one:
[0026] Reference Figures 1-5 For the first embodiment of the utility model, the embodiment provides a high-wear-resistant double-end-face mechanical sealing element, which comprises a mounting pipe 100, an elastic assembly 200, a fastener 300, a moving ring 400, an upper static ring 500 and a lower static ring 600.
[0027] Specifically, the inner side of the mounting pipe 100 is provided with a plurality of limiting columns 102, the outer side of the mounting pipe 100 is provided with a plurality of through holes 101, and the inner side of the mounting pipe 100 is provided with a groove 103 for mounting the fastener 300. In use, the plurality of limiting columns 102 have a limiting effect so as to install the elastic assembly 200 and the moving ring 400, the plurality of through holes 101 have a certain heat dissipation effect, and the groove 103 is used for mounting the fastener 300.
[0028] Specifically, the elastic assembly 200 comprises a fixed ring 201 arranged in the mounting pipe 100 and a limiting groove 204 arranged on the outer side of the fixed ring 201, and the elastic assembly 200 further comprises a first spring 202 arranged at the top end of the fixed ring 201 and a buffer ring 203 arranged on the first spring 202. The plurality of first springs 202 are distributed in a circle. In use, the first spring 202 has a certain elasticity, so that the buffer ring 203 can buffer the moving ring 400, the fitting of the sealing end face can be maintained, the end face wear can be compensated, the adaptability of the sealing element can be improved, and at the same time, the user can apply a rotating force to the buffer ring 203 of the elastic assembly 200, so that the buffer ring 203 drives the fixed ring 201 to rotate until the limiting groove 204 on the fixed ring 201 is aligned with the limiting column 102 in the mounting pipe 100. Then the buffer ring 203 is directly moved outward until the fixed ring 201 is separated from the mounting pipe 100. That is, the elastic assembly 200 can be quickly disassembled. Then the limiting groove 204 of the elastic assembly 200 can be aligned with the limiting column 102 in the mounting pipe 100 and inserted until the fixed ring 201 cannot be moved. Then the fixed ring 201 can be rotated so that the limiting groove 204 is no longer aligned with the limiting column 102. That is, the elastic assembly 200 can be quickly installed so as to be replaced and maintained.
[0029] Specifically, the fastener 300 comprises a fixed block 301 arranged in the mounting pipe 100, a second spring 302 arranged on the fixed block 301 and an abutting block 303 arranged on the second spring 302, in use, the second spring 302 has a certain elasticity, so that the abutting block 303 can tightly abut against the fixed ring 201, facilitating the fixing of the elastic assembly 200.
[0030] Specifically, the movable ring 400 is inserted into the top of the mounting pipe 100, in use, the movable ring 400
[0031] It should be noted that the elastic assembly 200 and the movable ring 400 are both arranged with two, the two movable rings 400 are symmetrically distributed at the upper and lower ends of the mounting pipe 100, in use, the two movable rings 400 and the elastic assembly 200 can realize double-end face sealing, so as to be used.
[0032] Specifically, the upper static ring 500 is arranged at the top of the mounting pipe 100, the outer side of the upper static ring 500 is inserted with a first sealing ring 501, and the upper static ring 500 is provided with a mounting hole 502 for fixing, in use, the first sealing ring 501 can improve the sealing property of the upper static ring 500, and the mounting hole 502 is used for mounting and fixing the upper static ring 500.
[0033] Specifically, the lower static ring 600 is arranged at the bottom of the mounting pipe 100, and the outer side of the lower static ring 600 is inserted with two second sealing rings 601, in use, the two second sealing rings 601 can improve the sealing property of the lower static ring 600, so as to be used.
[0034] The working principle and use process of the utility model are as follows: in use, the user can apply a rotating force to the buffer ring 203 of the elastic assembly 200, so that the buffer ring 203 drives the fixed ring 201 to rotate, until the limiting groove 204 on the fixed ring 201 is aligned with the limiting column 102 in the mounting pipe 100, then directly move the buffer ring 203 outward, until the fixed ring 201 is separated from the mounting pipe 100, that is, the elastic assembly 200 can be quickly disassembled, then the limiting groove 204 of the elastic assembly 200 can be aligned with the limiting column 102 in the mounting pipe 100 and inserted, until the fixed ring 201 cannot be moved, then the fixed ring 201 can be rotated, so that the limiting groove 204 is no longer aligned with the limiting column 102, that is, the elastic assembly 200 can be quickly assembled, so as to be replaced and maintained, and the second spring 302 of the fastener 300 has a certain elasticity, so that the abutting block 303 can tightly abut against the fixed ring 201, facilitating the fixing of the elastic assembly 200.
[0035] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.
Claims
1. A high wear resistant double face mechanical seal, characterized in that, The utility model relates to a kind of elastic sealing device, including: The inner side of installation pipe (100) is equipped with several limit posts (102); Elastic component (200), including fixed ring (201) being arranged in the installation pipe (100) and being equipped with limit slot (204) outside the fixed ring (201); Fastener (300), including fixed block (301) being arranged in the installation pipe (100), second spring (302) being arranged on the fixed block (301) and abutting block (303) being arranged on the second spring (302); Moving ring (400), is inserted in the top of installation pipe (100); Upper static ring (500), is arranged in the top of installation pipe (100); Lower static ring (600), is arranged in the bottom of installation pipe (100).
2. A high wear resistant double mechanical seal according to claim 1, wherein, The outer side of installation pipe (100) is equipped with several through holes (101), and the inner side of installation pipe (100) is equipped with recess (103) for installing fastener (300).
3. A high wear resistant double mechanical seal as claimed in claim 1, wherein, The elastic component (200) further includes first spring (202) being arranged in the top of fixed ring (201) and buffer ring (203) being arranged on the first spring (202), and several first springs (202) are circumferentially distributed.
4. A high wear resistant double mechanical seal as claimed in claim 1, wherein, The elastic component (200) and moving ring (400) are both arranged with two, and two moving rings (400) are symmetrically distributed in the upper and lower ends of installation pipe (100).
5. A high wear resistant double mechanical seal as claimed in claim 1, wherein, The outer side of upper static ring (500) is inserted with first sealing ring (501), and mounting hole (502) for fixing is opened in upper static ring (500).
6. A high wear resistant double mechanical seal as claimed in claim 1, wherein, The outer side of lower static ring (600) is inserted with two second sealing rings (601).