CN210510289U - High-stability mechanical sealing mechanism - Google Patents
High-stability mechanical sealing mechanism Download PDFInfo
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- CN210510289U CN210510289U CN201921340138.0U CN201921340138U CN210510289U CN 210510289 U CN210510289 U CN 210510289U CN 201921340138 U CN201921340138 U CN 201921340138U CN 210510289 U CN210510289 U CN 210510289U
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- bearing
- assembly
- shaft sleeve
- sleeved
- mechanical seal
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Abstract
The utility model relates to a high stability mechanical seal mechanism, including axle sleeve, rotating ring subassembly, quiet ring subassembly and cooling module, rotating ring subassembly, quiet ring subassembly and the equal suit of cooling module still have a supporting component in the lower part outside of axle sleeve, and the supporting component includes bearing assembly and bearing frame, and the bearing frame suit is on axle sleeve upper portion, and bearing assembly also suit is on axle sleeve upper portion and is located the bearing frame, and its lateral surface offsets with the medial surface of bearing frame. The utility model discloses a bearing assembly that two bearings constitute compares single bearing in the past and can only bear radial force, and bearing assembly can bear more axial force, installs the bearing frame additional in the outside of bearing assembly simultaneously for the support bearing, whole mechanism can bear bigger axial thrust and radial gyroscopic force, and stability is higher safe and reliable more.
Description
Technical Field
The utility model relates to a high stability mechanical seal mechanism.
Background
The mechanical seal is a shaft seal device of a rotating machine. Such as centrifugal pumps, centrifuges, reaction kettles, compressors, and the like. Since the drive shaft extends through the inside and outside of the apparatus, there is a circumferential gap between the shaft and the apparatus through which the medium in the apparatus leaks out, and if the pressure in the apparatus is lower than atmospheric pressure, air leaks into the apparatus, so that a shaft seal device must be provided to prevent leakage. The shaft seal has many kinds, and the mechanical seal has the advantages of small leakage amount, long service life and the like, so the mechanical seal is the most important shaft sealing mode in the devices in the world,
however, in actual use, the mechanical seal is often used on high-power equipment in a matched manner, axial thrust and radial revolving force generated by a corresponding shaft are very large, the traditional mechanical seal mechanism cannot bear large axial thrust and radial revolving force, and the mechanical seal mechanism is easy to damage in a high-load working environment for a long time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high stability mechanical seal mechanism, its intensity is higher, can bear great axial thrust and radial gyroscopic force.
The utility model discloses a realize through following technical scheme: the utility model provides a high stability mechanical seal mechanism, includes axle sleeve, rotating ring subassembly, quiet ring subassembly and cooling module all suit still have a supporting component in the lower part outside of axle sleeve, the supporting component includes bearing assembly and bearing frame, the bearing frame suit is on axle sleeve upper portion, and bearing assembly also suit is on axle sleeve upper portion and is located the bearing frame, and its lateral surface offsets with the medial surface of bearing frame.
In the above technical scheme, the cooling assembly includes a sealing box and a sealing box cover, the sealing box is located at the periphery of the moving ring assembly and the stationary ring assembly, the upper end of the bearing seat abuts against an upper gland sleeved on the shaft sleeve, and the lower end of the bearing seat abuts against the sealing box cover sleeved on the shaft sleeve.
In the above technical scheme, the upper gland, the bearing seat, the seal box and the seal box cover are fixedly connected or integrated with each other.
In the technical scheme, the inner end of the upper part of the bearing assembly abuts against a fixing nut sleeved on the shaft sleeve, the outer end of the upper part of the bearing assembly abuts against a bearing end cover sleeved on the shaft sleeve, the inner end of the lower part of the bearing assembly abuts against a first step on the shaft sleeve, and the outer end of the lower part of the bearing assembly abuts against a second step on the shaft bearing seat.
In the above technical solution, the rotating ring assembly includes two rotating rings sleeved on the shaft sleeve, and a push ring and a spring installed between the two rotating rings.
In the technical scheme, the novel bearing is further provided with a spring seat, two ends of the spring seat are respectively abutted against the movable rings on two sides of the spring seat, a spring is arranged in one side of the spring seat, and the other side of the spring seat is fixedly connected to the shaft sleeve through a bolt.
In the above technical scheme, the stationary ring assembly comprises an upper stationary ring and a lower stationary ring which are sleeved on the shaft sleeve, the upper stationary ring is located on the inner side of the sealed box cover and is abutted against the sealed box cover, and the lower stationary ring is sleeved on the lower portion of the shaft sleeve.
In the technical scheme, the cooling assembly is positioned on the peripheries of the movable ring assembly and the static ring assembly, the upper part of the cooling assembly is abutted against the seal box, and the lower part of the cooling assembly is abutted against the lower gland below the bearing sleeve.
The utility model has the advantages that:
the bearing assembly that adopts two bearings to constitute compares in the past single bearing and can only bear radial force, and bearing assembly can bear more axial force, installs the bearing frame additional in the outside of bearing assembly simultaneously for the support bearing, whole mechanism can bear bigger axial thrust and radial gyroscopic force, and stability is higher safe and reliable more.
Drawings
Fig. 1 is a schematic front sectional view of the present invention.
The figure numbers are as follows: a shaft sleeve 100; a first step 110; a rotating ring assembly 200; a rotating ring 210; a push ring 220; a spring 230; a spring seat 231; a stationary ring assembly 300; an upper stationary ring 310; a lower stationary ring 320; a cooling assembly 400; a seal box 410; sealing the case cover 411; a support assembly 500; a bearing assembly 510; a bearing housing 520; a second step 521; a fixing nut 530; an upper gland 600; a lower gland 700.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be clearly and clearly defined.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, a high stability mechanical seal mechanism, includes axle sleeve 100, rotating ring subassembly 200, quiet ring subassembly 300 and cooling module 400, and rotating ring subassembly 200, quiet ring subassembly 300 and cooling module 400 all suit are in the lower part outside of axle sleeve 100, its characterized in that: there is also a support assembly 500, the support assembly 500 includes a bearing assembly 510 and a bearing seat 520, the bearing seat 520 is sleeved on the upper portion of the shaft sleeve 100, the bearing assembly 510 is also sleeved on the upper portion of the shaft sleeve 100 and located in the bearing seat 520, and the outer side surface of the bearing assembly is abutted against the inner side surface of the bearing seat 520.
The cooling assembly 400 includes a sealing box 410 and a sealing box cover 411 thereof, the sealing box 410 is located at the periphery of the moving ring assembly 200 and the stationary ring assembly 300, the upper end of the bearing seat 520 abuts against the upper gland 600 sleeved on the shaft sleeve 100, and the lower end of the bearing seat 520 abuts against the sealing box cover 411 sleeved on the shaft sleeve 100.
The upper gland 600, the bearing seat 520, the seal box 410 and the seal box cover 411 are fixedly connected or integrated with each other.
The upper inner end of the bearing assembly 510 abuts against a fixing nut 530 fitted around the shaft sleeve 100, the upper outer end of the bearing assembly 510 abuts against a bearing end cap 540 fitted around the shaft sleeve 100, the lower inner end of the bearing assembly 510 abuts against a first step 110 on the shaft sleeve 100, and the lower outer end of the bearing assembly 510 abuts against a second step 521 on the shaft bearing seat 520.
The rotating ring assembly 200 includes two rotating rings 210 mounted on the shaft sleeve 100, and a push ring 220 and a spring 230 mounted between the two rotating rings 210.
The shaft sleeve is further provided with a spring seat 231, two ends of the spring seat 231 respectively abut against the movable rings 210 on two sides of the spring seat 231, a spring 230 is arranged in one side of the spring seat 231, and the other side of the spring seat is fixedly connected to the shaft sleeve 100 through a bolt.
The stationary ring assembly 300 includes an upper stationary ring 310 and a lower stationary ring 320, which are sleeved on the shaft sleeve 100, the upper stationary ring 310 is located on the inner side of the seal cover 411 and abuts against the seal cover 411, and the lower stationary ring 320 is sleeved on the lower portion of the shaft sleeve 100.
The cooling assembly 400 is located at the outer circumference of the moving ring assembly 200 and the stationary ring assembly 300, and the upper portion of the cooling assembly abuts against the seal box 410, and the lower portion of the cooling assembly abuts against the lower gland 700 below the bearing housing.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a high stability mechanical seal mechanism, includes axle sleeve (100), rotating ring subassembly (200), quiet ring subassembly (300) and cooling module (400) all suit in the lower part outside of axle sleeve (100), its characterized in that: the bearing assembly (500) is further provided, the bearing assembly (500) comprises a bearing assembly (510) and a bearing seat (520), the bearing seat (520) is sleeved on the upper portion of the shaft sleeve (100), the bearing assembly (510) is also sleeved on the upper portion of the shaft sleeve (100) and located in the bearing seat (520), and the outer side face of the bearing assembly is abutted to the inner side face of the bearing seat (520).
2. The high stability mechanical seal mechanism of claim 1, wherein: the cooling assembly (400) comprises a sealing box (410) and a sealing box cover (411) of the sealing box, wherein the sealing box (410) is located on the periphery of the moving ring assembly (200) and the periphery of the static ring assembly (300), the upper end of the bearing seat (520) is abutted to an upper gland (600) sleeved on the shaft sleeve (100), and the lower end of the bearing seat (520) is abutted to the sealing box cover (411) sleeved on the shaft sleeve (100).
3. The high stability mechanical seal mechanism of claim 2, wherein: go up gland (600), bearing frame (520), seal box (410) and seal box lid (411) fixed connection or each other are as an organic whole.
4. The high stability mechanical seal mechanism of claim 1, wherein: the inner end of the upper part of the bearing assembly (510) is abutted against a fixing nut (530) sleeved on the shaft sleeve (100), the outer end of the upper part of the bearing assembly (510) is abutted against a bearing end cover (540) sleeved on the shaft sleeve (100), the inner end of the lower part of the bearing assembly (510) is abutted against a first step (110) on the shaft sleeve (100), and the outer end of the lower part of the bearing assembly (510) is abutted against a second step (521) on the shaft bearing seat (520).
5. The high stability mechanical seal mechanism of claim 1, wherein: the movable ring assembly (200) comprises two movable rings (210) sleeved on the shaft sleeve (100), and a push ring (220) and a spring (230) which are arranged between the two movable rings (210).
6. The high stability mechanical seal mechanism of claim 5, wherein: the bearing is characterized by further comprising a spring seat (231), two ends of the spring seat (231) are respectively abutted against the movable rings (210) on two sides of the spring seat, a spring (230) is installed in one side of the spring seat (231), and the other side of the spring seat is fixedly connected to the shaft sleeve (100) through a bolt.
7. The high stability mechanical seal mechanism of claim 2, wherein: the static ring assembly (300) comprises an upper static ring (310) and a lower static ring (320) which are sleeved on the shaft sleeve (100), the upper static ring (310) is located on the inner side of the sealed box cover (411) and is abutted against the sealed box cover (411), and the lower static ring (320) is sleeved on the lower portion of the shaft sleeve (100).
8. The high stability mechanical seal mechanism of claim 2, wherein: the cooling assembly (400) is positioned on the peripheries of the moving ring assembly (200) and the static ring assembly (300), the upper part of the cooling assembly is abutted against the seal box (410), and the lower part of the cooling assembly is abutted against a lower gland (700) below the bearing sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921340138.0U CN210510289U (en) | 2019-08-16 | 2019-08-16 | High-stability mechanical sealing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921340138.0U CN210510289U (en) | 2019-08-16 | 2019-08-16 | High-stability mechanical sealing mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN210510289U true CN210510289U (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921340138.0U Active CN210510289U (en) | 2019-08-16 | 2019-08-16 | High-stability mechanical sealing mechanism |
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| CN (1) | CN210510289U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810643A (en) * | 2020-07-22 | 2020-10-23 | 广东博智林机器人有限公司 | Axial sealing structure for liquid medium |
-
2019
- 2019-08-16 CN CN201921340138.0U patent/CN210510289U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810643A (en) * | 2020-07-22 | 2020-10-23 | 广东博智林机器人有限公司 | Axial sealing structure for liquid medium |
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