CN202768858U - Configuration type universal mechanical sealing device - Google Patents
Configuration type universal mechanical sealing device Download PDFInfo
- Publication number
- CN202768858U CN202768858U CN201220502690.7U CN201220502690U CN202768858U CN 202768858 U CN202768858 U CN 202768858U CN 201220502690 U CN201220502690 U CN 201220502690U CN 202768858 U CN202768858 U CN 202768858U
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- CN
- China
- Prior art keywords
- axle sleeve
- ring
- lock shaft
- stationary
- shaft nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3464—Mounting of the seal
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The utility model provides a configuration type universal mechanical sealing device which comprises a shaft sleeve, a movable ring, a static ring, springs, a shaft locking nut and a static ring seat. The static ring is nested on the static ring seat, a convex ring is arranged on the outer wall of one end of the shaft sleeve, the movable ring is sleeved on the shaft sleeve, one end of the movable ring is in contact with the convex ring, the other end of the movable ring is in contact with the static ring, the springs are arranged between the static ring seat and the static ring, notches are arranged at the other end of the shaft sleeve, and the shaft locking nut is sleeved at the end, which is provided with the notches, of the shaft sleeve and is matched with the shaft sleeve. As the notches are arranged on the side wall of the shaft sleeve, the shaft sleeve has certain expansion and contraction properties, the end, which is provided with the notches, of the shaft sleeve deforms by means of turning the shaft locking nut, the end of the shaft sleeve can be tightly pressed on an equipment shaft, concentricity of the shaft sleeve with the equipment shaft is guaranteed, in other words, end surfaces of the movable ring are assuredly perpendicular to the equipment shaft, and axial run-out of the sealing end surfaces is prevented. Besides, the configuration type universal mechanical sealing device is easy to install and good in sealing effect, installation errors cannot be caused easily, and safety running of a mechanical seal is guaranteed.
Description
Technical field
The utility model relates to a kind of mechanical seal field, particularly a kind of configuration type workalike seal arrangement.
Background technique
At present, mechanical seal on the rotating machinery such as reactor, stirrer, belong to precision high, baroque water-tight equipment, the equipment contacts such as reactor, stirrer is danger medium usually, as hypertoxic, inflammable and explosive, corrosivity is strong, evaporating temperature is low and the environment such as gaseous medium, at oil, to use comparatively extensively in the industries such as chemical industry, the leakage meeting threatens to environment, even can cause major break down, so very high to seal request.Two parts mechanical seals, all adopt the rotating ring compensation way design of big spring or a plurality of little springs, spring must and medium contact, can not change flexibly according to the running environment of equipment and the physical property of medium, difficulty is installed, be very easy to the error that occurs installing, counterbalance spring rotates with the axis and produces vibration, and secondary seal easily lost efficacy because being on the point of numerous motion, again because model and specification are mixed and disorderly, without ready patterns to follow, cause very big puzzlement for device design and equipment operation management.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned shortcoming, and a kind of easy for installation, good sealing effect is provided, the configuration type workalike seal arrangement of the difficulty of simplified apparatus design and equipment management.
To achieve these goals, the technological scheme that the utility model is taked is: a kind of configuration type workalike seal arrangement, comprise axle sleeve, rotating ring, stationary ring, spring, lock shaft nut, stationary seat, stationary ring is sleeved on the stationary seat, the outer wall of one end of axle sleeve is provided with bulge loop, moving ring sleeve is contained on the axle sleeve, rotating ring one end contacts with bulge loop, the other end of rotating ring contacts with stationary ring, spring places between stationary seat and the stationary ring, the other end of described axle sleeve offers breach, and the lock shaft nut sleeve is contained in axle sleeve and establishes an end jaggy, and the lock shaft nut matches with axle sleeve (1).
Further, the outer wall that above-mentioned axle sleeve is established an end jaggy is provided with conical external screw thread, the lock shaft nut inner wall is provided with the conical internal thread that can match with the set conical external screw thread of axle sleeve, the lock shaft nut is fixed on axle sleeve by conical internal thread and conical external screw thread, and the inwall of axle sleeve is provided with Simmer ring.
Be provided with between above-mentioned stationary ring and the stationary seat and prevent in relative rotation locating stud of stationary ring and stationary seat; Rotating ring is fixedly connected with axle sleeve.
In order to guarantee sealing effect, be provided with the stationary ring cushion rubber between above-mentioned stationary ring and the stationary seat.
Reliable in order to guarantee spring fitting, above-mentioned stationary seat offers spring eye in the mounting point of corresponding spring, and spring one end places in the spring eye, and the other end of spring contacts with stationary ring, according to installation environment of the present utility model, the mounting point of spring can be positioned at the outside or the inboard of stationary ring cushion rubber.
Above-mentioned axle sleeve is provided with turnover buckle at the sidewall of offering an end jaggy, and the inwall of lock shaft nut is provided with the draw-in groove that can be interlockingly connected with the set buckle of axle sleeve, and the lock shaft nut sleeve is contained on the axle sleeve, and buckle and draw-in groove are interlockingly connected.
In this programme, above-mentioned rotating ring, stationary ring are set on the sidewall of axle sleeve.
Another program, above-mentioned stationary ring, stationary seat are positioned at the end outside that axle sleeve is provided with bulge loop.
For the ease of the rotation lock spindle nut, the outer side wall of above-mentioned lock shaft nut is provided with a groove at least, and the groove circle distribution is at the outer side wall of lock shaft nut.
Location when making things convenient for equipment axis to install, the outer side wall of lock shaft nut described above is provided with a dead axle ear at least, dead axle ear circle distribution on the outer side wall of lock shaft nut, and with the groove circumferential alignment.
The utility model is because the sidewall of axle sleeve offers breach, axle sleeve has certain enlargement and contraction, by the rotation lock spindle nut, because relative axial displacement does not occur with axle sleeve in the lock shaft nut, the conical surface of the conical internal thread of lock shaft nut inner wall moves axially trend, the conical surface of the conical external screw thread of the conical surface of conical internal thread extruding axle sleeve outer wall causes axle sleeve to open an end jaggy and produces distortion and closely be pressed on the equipment axis, realizes that axle sleeve and equipment axis reach gapless and assemble; Guarantee that axle sleeve is concentric with equipment axis, guarantee that namely the rotating ring end face is vertical with equipment axis, avoid the axial runout of seal face.The utility model simple installation, good sealing effect, installation is difficult for makeing mistakes, and guarantees the safe operation of mechanical seal.
Description of drawings
Fig. 1 is the utility model embodiment 1 structure sectional view;
Fig. 2 is the utility model embodiment 1 STRUCTURE DECOMPOSITION figure;
Fig. 3 is the utility model embodiment 2 structure sectional view;
Fig. 4 is the utility model embodiment 2 STRUCTURE DECOMPOSITION figure;
Fig. 5 is the utility model embodiment 3 structure sectional view;
Fig. 6 is the utility model embodiment 3 STRUCTURE DECOMPOSITION figure;
Fig. 7 is the utility model embodiment 4 structure sectional view;
Fig. 8 is the utility model embodiment 4 STRUCTURE DECOMPOSITION figure;
Fig. 9 is use special spanner locking schematic diagram of the present utility model;
Figure 10 is the lock shaft nut schematic diagram after the utility model locking.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with accompanying drawing.
Embodiment 1:
Structure such as Fig. 1 of the configuration type workalike seal arrangement of the present embodiment, shown in 2, comprise axle sleeve 1, rotating ring 2, stationary ring 3, spring 4, lock shaft nut 6, stationary seat 7, Simmer ring 51 and stationary ring cushion rubber 9, wherein rotating ring 2, stationary ring 3, stationary seat 7 is set in the outside of axle sleeve 1 sidewall, stationary ring 3 is sleeved on the inboard of stationary seat 7, the outer wall of one end of axle sleeve 1 is provided with bulge loop 12, bulge loop 12 forms circular groove 15 with axle sleeve 1 outer wall, the other end of axle sleeve 1 offers breach 11, lock shaft nut 6 is sleeved on the end that axle sleeve 1 is provided with breach 11, in the one end stationary annular groove 15 of rotating ring 2, be sealed and matched between rotating ring 2 and the axle sleeve 1 and can not produce relative rotation, the other end of rotating ring 2 contacts with stationary ring 3, stationary ring cushion rubber 9 is sleeved between stationary seat 7 and the stationary ring 3, spring 4 circle distribution place between stationary seat 7 and the stationary ring 3, and Simmer ring 51 is sleeved on the inwall that axle sleeve 1 is provided with an end of bulge loop 12.
The outer wall that above-mentioned axle sleeve 1 is provided with an end of breach 11 is provided with conical external screw thread 13, lock shaft nut 6 inwalls are provided with the conical internal thread 61 that can match with the set conical external screw thread 13 of axle sleeve 1, lock shaft nut 6 is fixed on axle sleeve 1 by conical internal thread 61 and conical external screw thread 13, axle sleeve 1 also is provided with turnover buckle 14 at the sidewall of an end that offers breach 11, the inwall of lock shaft nut 6 is provided with the draw-in groove 62 that can be interlockingly connected with the set buckle 14 of axle sleeve 1, when lock shaft nut 6 is sleeved on the axle sleeve 1, by buckle 14 is flipped an angle, buckle 14 can be interlockingly connected with draw-in groove 62, lock shaft nut 6 can not break away from from axle sleeve 1, because lock shaft nut 6 is blocked by buckle 14, when lock shaft nut 6 rotates toward the back-out direction, relative axial displacement can not occur with axle sleeve 1 in lock shaft nut 6, the conical surface of the conical internal thread 61 of lock shaft nut 6 inwalls moves axially trend at this moment, the conical surface of the conical external screw thread 13 of the conical surface extruding axle sleeve outer wall of conical internal thread 61, an end that causes axle sleeve 1 to have breach 11 produces radial deformation, when if the utility model is sleeved on the equipment axis, the end that axle sleeve 1 has breach 11 can closely be pressed on the equipment axis, realizes that axle sleeve 1 and equipment axis reach the gapless assembling.
Be provided with between above-mentioned stationary ring 3 and the stationary seat 7 and prevent in relative rotation locating stud 8 of stationary ring 3 and stationary seat 7; In the present embodiment, the outer side wall of above-mentioned stationary ring 3 offers locating notch 31, and locating stud 8 necessarily is fixed on stationary seat 7, and the other end of locating stud 8 places in the stationary ring 3 described locating notches 31, guarantees relative rotation can not to occur between stationary ring 3 and the stationary seat 7.
In the present embodiment, stationary seat 7 described above offers spring eye 52 in the mounting point of corresponding spring 4, and spring 4 one ends place in the spring eye 52, and the other end of spring 4 contacts with stationary ring 3, and the mounting point of spring 4 is positioned at the outside of stationary ring cushion rubber 9.If mixing plant is or meeting fouling or granular medium more intense for stirring corrosivity, should adopt the tool seal arrangement of the present embodiment to be sleeved on the equipment axis of mixing plant, during installation, the utility model is to place equipment axis inboard (can with medium contact in the mixing plant) with an end of bulge loop 12, because spring 4 places the outside of stationary ring cushion rubber 9, medium can not contact with spring 4, so medium can not corrode spring 4, guaranteed the working life of spring 4, also can not make spring 4 lose compensation ability because of medium fouling or Particle Blocking spring 4 and mechanical seal was lost efficacy.
The outer side wall of above-mentioned lock shaft nut 6 is provided with a groove 63 and a dead axle ear 64 at least, in the present embodiment, groove 63 and dead axle ear 64 are respectively three, all grooves 63 and dead axle ear 64 even circumferentials are distributed in the outer side wall of lock shaft nut 6, and groove 63 is distributed on the same circumference with dead axle ear 64, tool seal arrangement of the present utility model is installed on the equipment axis, and before locking equipment axle not, dead axle ear 64 can position equipment axis.
When the utility model is installed, such as accompanying drawing 9, shown in 10, first the tool seal arrangement is sleeved on the equipment axis, then adopt supporting special spanner 10 rotation lock spindle nuts 6, the front end of the working part 10a of special spanner 10 is provided with circle and colludes 101, the rear end is provided with circular-arc projection 102, when utilizing special spanner 10 lock shaft nut 6 past back-out direction rotation, the circle of special spanner 10 colludes 101 and buckles in the groove 63 of lock shaft nut 6, the projection 102 of special spanner 10 is just pushed down corresponding dead axle ear 64, when lock shaft nut 6 passes through axle sleeve 1 locking equipment axle, dead axle ear 64 is also depressed by the projection 102 of special spanner 10, when utilizing special spanner 10 toward opposite direction rotation lock spindle nut 6, the coupling mechanism force of 1 pair of equipment axis of axle sleeve can reduce, and the projection 102 of special spanner 10 can not be pressed on the dead axle ear 64.
Embodiment 2:
The structure of the configuration type workalike seal arrangement of the present embodiment is similar to Example 1, and its difference is, shown in accompanying drawing 3,4, above-mentioned spring 4 places the inboard of stationary ring cushion rubber 9.The applicable equipment axis that is installed in for the mixing plant of the medium that stirs those non flouling behaviours or corrosion spring 4 of the mechanical seal device of this enforcement, the form of locking equipment axle in the same manner as in Example 1.
Embodiment 3:
The structure of the configuration type workalike seal arrangement of the present embodiment is similar to Example 1, its difference is, shown in accompanying drawing 5,6, above-mentioned stationary ring 3, stationary seat 7 are positioned at the end outside that axle sleeve 1 is provided with bulge loop 12, namely are that stationary ring 3, stationary seat 7 are not to be sleeved on the sidewall of axle sleeve 1.Rotating ring 2 one ends are fixedly set in the inboard of bulge loop 12, and the other end of rotating ring 2 contacts with stationary ring 3, and stationary ring 3 is sleeved on the inboard of stationary seat 7, and lock shaft nut 6 is sleeved on the end that axle sleeve 1 is provided with breach 11, and lock shaft nut 6 separates with stationary seat 7.When the mechanical seal device of the present embodiment is installed, lock shaft nut 6 one ends of mechanical seal device place the equipment axis inboard, because spring 4 is to place stationary ring cushion rubber 9 outsides, so spring 4 is not affected by agitated medium can, also have, the form of locking equipment axle in the same manner as in Example 1.
Embodiment 4:
The structure of the configuration type workalike seal arrangement of the present embodiment is similar to Example 3, and its difference is, shown in accompanying drawing 7,8, above-mentioned spring 4 places the outside of stationary ring cushion rubber 9.The applicable equipment axis that is installed in for the mixing plant of the medium that stirs those non flouling behaviours or corrosion spring 4 of the mechanical seal device of this enforcement, the form of locking equipment axle in the same manner as in Example 3.
Claims (10)
1. configuration type workalike seal arrangement, comprise axle sleeve (1), rotating ring (2), stationary ring (3), spring (4), lock shaft nut (6), stationary seat (7), stationary ring (3) is sleeved on the stationary seat (7), the outer wall of one end of axle sleeve (1) is provided with bulge loop (12), rotating ring (2) is sleeved on the axle sleeve (1), rotating ring (2) one ends contact with bulge loop (12), the other end of rotating ring (2) contacts with stationary ring (3), spring (4) places between stationary seat (7) and the stationary ring (3), it is characterized in that, the other end of described axle sleeve (1) offers breach (11), lock shaft nut (6) is sleeved on the end that axle sleeve (1) is provided with breach (11), and lock shaft nut (6) matches with axle sleeve (1).
2. configuration type workalike seal arrangement according to claim 1, it is characterized in that, the outer wall that described axle sleeve (1) is provided with an end of breach (11) is provided with conical external screw thread (13), lock shaft nut (6) inwall is provided with the conical internal thread (61) that can match with the set conical external screw thread (13) of axle sleeve (1), lock shaft nut (6) is fixed on axle sleeve (1) by conical internal thread (61) and conical external screw thread (13), and the inwall of axle sleeve (1) is provided with Simmer ring (51).
3. configuration type workalike seal arrangement according to claim 2, it is characterized in that, be provided with between described stationary ring (3) and the stationary seat (7) and prevent in relative rotation locating stud (8) of stationary ring (3) and stationary seat (7), rotating ring (2) is fixedly connected with axle sleeve (1).
4. configuration type workalike seal arrangement according to claim 3 is characterized in that, is provided with stationary ring cushion rubber (9) between described stationary ring (3) and the stationary seat (7).
5. configuration type workalike seal arrangement according to claim 4, it is characterized in that, described stationary seat (7) offers spring eye (52) in the mounting point of corresponding spring (4), spring (4) one ends place in the spring eye (52), the other end of spring (4) contacts with stationary ring (3), and the mounting point of spring (4) is positioned at the outside or the inboard of stationary ring cushion rubber (9).
6. configuration type workalike seal arrangement according to claim 5, it is characterized in that, described axle sleeve (1) is provided with turnover buckle (14) at the sidewall of an end that offers breach (11), the inwall of lock shaft nut (6) is provided with the draw-in groove (62) that can be interlockingly connected with the set buckle (14) of axle sleeve (1), lock shaft nut (6) is sleeved on the axle sleeve (1), and buckle (14) is interlockingly connected with draw-in groove (62).
7. configuration type workalike seal arrangement according to claim 6 is characterized in that, described rotating ring (2), stationary ring (3) are set on the sidewall of axle sleeve (1).
8. configuration type workalike seal arrangement according to claim 6 is characterized in that, described stationary ring (3), stationary seat (7) are positioned at the end outside that axle sleeve (1) is provided with bulge loop (12).
9. according to claim 1 to 8 each described configuration type workalike seal arrangements, it is characterized in that, the outer side wall of described lock shaft nut (6) is provided with a groove (63) at least, and groove (63) circle distribution is at the outer side wall of lock shaft nut (6).
10. configuration type workalike seal arrangement according to claim 9, it is characterized in that, the outer side wall of described lock shaft nut (6) is provided with a dead axle ear (64) at least, dead axle ear (64) circle distribution on the outer side wall of lock shaft nut (6), and with groove (63) circumferential alignment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220502690.7U CN202768858U (en) | 2012-02-16 | 2012-09-27 | Configuration type universal mechanical sealing device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220049653.5 | 2012-02-16 | ||
| CN201220049653 | 2012-02-16 | ||
| CN201220502690.7U CN202768858U (en) | 2012-02-16 | 2012-09-27 | Configuration type universal mechanical sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202768858U true CN202768858U (en) | 2013-03-06 |
Family
ID=47775433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220502690.7U Expired - Lifetime CN202768858U (en) | 2012-02-16 | 2012-09-27 | Configuration type universal mechanical sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202768858U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111819380A (en) * | 2018-02-22 | 2020-10-23 | 伊格尔博格曼德国有限公司 | Mechanical sealing device with split type shaft sleeve |
-
2012
- 2012-09-27 CN CN201220502690.7U patent/CN202768858U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111819380A (en) * | 2018-02-22 | 2020-10-23 | 伊格尔博格曼德国有限公司 | Mechanical sealing device with split type shaft sleeve |
| CN111819380B (en) * | 2018-02-22 | 2022-05-17 | 伊格尔博格曼德国有限公司 | Mechanical sealing device with split type shaft sleeve |
| US11435000B2 (en) | 2018-02-22 | 2022-09-06 | Eagleburgmann Germany Gmbh & Co. Kg | Slip ring seal arrangement with split shaft sleeve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130306 |
|
| CX01 | Expiry of patent term |