CN203571046U - Mechanical sealing structure capable of ensuring rotation of rotating shaft - Google Patents
Mechanical sealing structure capable of ensuring rotation of rotating shaft Download PDFInfo
- Publication number
- CN203571046U CN203571046U CN201320760842.8U CN201320760842U CN203571046U CN 203571046 U CN203571046 U CN 203571046U CN 201320760842 U CN201320760842 U CN 201320760842U CN 203571046 U CN203571046 U CN 203571046U
- Authority
- CN
- China
- Prior art keywords
- gland
- sleeve type
- housing
- axle sleeve
- type rotating
- 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 - Fee Related
Links
Images
Abstract
The utility model discloses a mechanical sealing structure capable of ensuring rotation of a rotating shaft. The mechanical sealing structure comprises mechanical equipment. The mechanical equipment is connected with a hollow shell; the rotating shaft is arranged in the shell; after passing through the shell, one end of the rotating shaft is vertically connected with the mechanical equipment; a shaft sleeve type moving ring is arranged between the outer wall of the rotating shaft and the inner wall of the shell; the rotating shaft passes through the shaft sleeve type moving ring; the rotating shaft is sleeved with a gland; the gland is fixed on the shell; a plurality of springs are arranged between the gland and the shell; both ends of the springs are respectively connected with the gland and the shell; one end of the gland extends to the position between the shell and the shaft sleeve type moving ring; the outer wall of the shaft sleeve type moving ring is provided with a bump; and one end of the bump is fixed on the outer wall of the shaft sleeve type moving ring and the other end of the bump is in contact with the gland. According to the mechanical sealing structure, the springs are arranged between the gland and the shell, so that an elastic force is kept to act on the gland and the shell by utilizing the elasticity of the springs and the gland and shell can be bounced off by the springs in the disassembling process, and thus, separation can be implemented without destroying the structure and meanwhile, sealing performance is not influenced.
Description
Technical field
The utility model relates to a kind of mechanical seal structure, especially relates to a kind of mechanical seal structure that can guarantee that rotating shaft is rotated, and belongs to mechanical field.
Background technique
Mechanical seal refers to by least one pair of end face perpendicular to spin axis under the effect of hydrodynamic pressure and compensation mechanism elastic force (or magnetic force) and under the cooperation of auxiliary seal the device that prevents fluid leakage that keeps laminating relative sliding and form.Elastic force load maintainer and auxiliary seal be metallicity line pipe mechanical seal we be called the wavy metal seal of tube.In light seal, use in addition rubber corrugated pipe to make auxiliary seal, rubber corrugated pipe elastic force is limited, generally need to be aided with spring and meet and load elastic force." mechanical seal " conventionally by people referred to as " machine envelope ".Mechanical seal is a kind of gland seal device of rotating machinery.Such as equipment such as centrifugal pump, centrifuge, reactor and compressors.Because transmission shaft is applied in inside and outside equipment, like this, between axle and equipment, there is a circumferential clearance, medium in equipment passes through this gap to outward leakage, if equipment internal pressure is lower than barometric pressure, air is revealed in equipment, therefore must have one to stop the gland seal device of revealing.The kind of shaft seal is a lot, the advantage such as grows, so mechanical seal is in the topmost shaft sealing mode of these equipment in the world today because mechanical seal has few and life-span of leakage rate.Traditional mechanical seal structure is all rigid sealing, after long-time sealing, between parts, due to the effect compressing, links together, and often need to damage sealed member and just can dismantle during dismounting, makes sealed member cannot carry out secondary utilization.
Model utility content
It is all that rigid sealing causes sealing for a long time and between back part, needs to damage the problem that sealed member just can be dismantled that the purpose of this utility model is to overcome above-mentioned existing machinery sealing configuration, designed a kind of mechanical seal structure that can guarantee that rotating shaft is rotated, this mechanical seal structure by arranging spring between gland and housing, utilize the elasticity of spring to make gland and housing keep an elastic force, when dismounting, spring can flick gland and housing, make not need to destroy structure and can realize separation, do not affect sealability simultaneously, having solved existing machinery sealing configuration and be all rigid sealing causes sealing for a long time and between back part, needs to damage the problem that sealed member just can be dismantled.
The purpose of this utility model is achieved through the following technical solutions: a kind of mechanical seal structure that can guarantee that rotating shaft is rotated, comprise machinery, in described machinery, be connected with the housing of inner hollow, in housing, be provided with running shaft, running shaft one end is connected with machinery is vertical through after housing, between the outer wall of running shaft and the inwall of housing, be provided with axle sleeve type rotating ring, running shaft is through axle sleeve type rotating ring, on running shaft, be sheathed with gland, gland is fixed on housing, between gland and housing, be provided with some springs, the two ends of spring are connected with housing with gland respectively, gland one end is stretched between housing and axle sleeve type rotating ring, and be provided with projection on the outer wall of axle sleeve type rotating ring, projection one end is fixed on the outer wall of axle sleeve type rotating ring, the other end contacts with gland.
Between running shaft and axle sleeve type rotating ring, be provided with several O RunddichtringOs, the inwall of O RunddichtringO contacts with the outer wall of running shaft, and the outer wall of O RunddichtringO contacts with the inwall of axle sleeve type rotating ring.
On axle sleeve type rotating ring, be provided with driving pin, driving pin one end is arranged on interior of rotating shaft through after axle sleeve type rotating ring, and driving pin is arranged on wherein between two adjacent O RunddichtringOs.
Between axle sleeve type rotating ring and housing, be provided with stuffing box packing, the two ends of stuffing box packing contact with housing with axle sleeve type rotating ring simultaneously, and the sidewall of stuffing box packing and gland stretch into the end contact between housing and axle sleeve type rotating ring.
Between gland and housing, be provided with some fixing bolts, fixing bolt is evenly distributed on gland, and fixing bolt one end is simultaneously through gland and housing, and spring is arranged between fixing bolt and running shaft.
On the outer wall of running shaft, be sheathed with stationary ring, the inwall of stationary ring contacts with the outer wall of running shaft, and stationary ring is arranged between machinery and axle sleeve type rotating ring, and the two ends of stationary ring contact with axle sleeve type rotating ring with machinery respectively.
In sum, the beneficial effects of the utility model are: this mechanical seal structure by arranging spring between gland and housing, utilize the elasticity of spring to make gland and housing keep an elastic force, when dismounting, spring can flick gland and housing, make not need to destroy structure and can realize separation, simultaneously do not affect sealability, solved existing machinery sealing configuration and be all rigid sealing and caused sealing for a long time and between back part, need to damage the problem that sealed member just can be dismantled.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Mark and corresponding component title in accompanying drawing: 1-machinery; 2-housing holding down bolt; 3-housing; 4-O RunddichtringO; 5-driving pin; 6-fixing bolt; 7-spring; 8-gland; 9-running shaft; 10-projection; 11-axle sleeve type rotating ring; 12-stuffing box packing; 13-stationary ring; 14-stationary ring holding down bolt.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but mode of execution of the present utility model is not limited only to this.
Embodiment 1:
As shown in Figure 1, a kind of mechanical seal structure that can guarantee that rotating shaft is rotated, comprise machinery 1, in described machinery 1, be connected with the housing 3 of inner hollow, in housing 3, be provided with running shaft 9, running shaft 9 one end are connected with machinery 1 is vertical through housing 3 is rear, between the inwall of the outer wall of running shaft 9 and housing 3, be provided with axle sleeve type rotating ring 11, running shaft 9 is through axle sleeve type rotating ring 11, on running shaft 9, be sheathed with gland 8, gland 8 is fixed on housing 3, between gland 8 and housing 3, be provided with some springs 7, the two ends of spring 7 are connected with housing 3 with gland 8 respectively, gland 8 one end are stretched between housing 3 and axle sleeve type rotating ring 11, and on the outer wall of axle sleeve type rotating ring 11, be provided with projection 10, projection 10 one end are fixed on the outer wall of axle sleeve type rotating ring 11, the other end contacts with gland 8.Machinery 1 is to adopt existing equipment, as lathe, grinding machines etc. need to relate to the equipment of rotating shaft, housing 3 is fixed in machinery 1 by housing holding down bolt 2, existing mechanical seal structure is fixed on gland 8 on housing 3 for a long time, due to corrosion or other factors, cause gland 8 and housing 3 to be connected to overall structure, when dismantling, need to spend great strength could take off gland 8 from housing 3, sometimes or even need to destroy gland 8 and just can take off, and arrange after spring 7, utilize the elasticity of spring 7, power-assisted is provided during dismounting, can like a cork gland 8 be taken off, the elasticity of spring 7 can not be too large, too greatly easily cause seal failure.This mechanical seal structure by arranging spring between gland and housing, utilize the elasticity of spring to make gland and housing keep an elastic force, when dismounting, spring can flick gland and housing, make not need to destroy structure and can realize separation, simultaneously do not affect sealability, solved existing machinery sealing configuration and be all rigid sealing and caused sealing for a long time and between back part, need to damage the problem that sealed member just can be dismantled.
Between running shaft 9 and axle sleeve type rotating ring 11, be provided with several O RunddichtringOs 4, the inwall of O RunddichtringO 4 contacts with the outer wall of running shaft 9, and the outer wall of O RunddichtringO 4 contacts with the inwall of axle sleeve type rotating ring 11.O RunddichtringO 4 is that a kind of cross section is circular rubber ring, because its cross section is O type, therefore be called O RunddichtringO.Be the seal arrangement that belongs to mechanically conventional, O RunddichtringO 4 quantity of the technical program are two, and its center is arranged on the center line of running shaft.
On axle sleeve type rotating ring 11, be provided with driving pin 5, driving pin 5 one end are arranged on running shaft 9 inside through after axle sleeve type rotating ring 11, and driving pin 5 is arranged on wherein between two adjacent O RunddichtringOs 4.Driving pin 5 is that the rotation of running shaft 9 is delivered on axle sleeve type rotating ring 11, and axle sleeve type rotating ring 11 can synchronously be rotated along with running shaft 9.In the technical program, axle sleeve type rotating ring 11 rotates along with running shaft 9 is synchronous.
Between axle sleeve type rotating ring 11 and housing 3, be provided with stuffing box packing 12, the two ends of stuffing box packing 12 contact with housing 3 with axle sleeve type rotating ring 11 simultaneously, and the sidewall of stuffing box packing 12 and gland 8 stretch into the end contact between housing 3 and axle sleeve type rotating ring 11.Stuffing box packing 12 is to belong to existing parts, and stuffing box packing 12 is called packing seal, is called again compression packing seal, is commonly called as packing, is used for blocking leakage, increases sealing.Stuffing box packing 12 is easily dropped sometimes on running shaft 9, is stained with stuffing box packing 12 and easily causes the interference to rotating on running shaft 9, so projection 10 is set, utilizes the gap of projection 10 sealing axle sleeve type rotating rings 11 and housing 3, avoids dropping of stuffing box packing 12.
Between gland 8 and housing 3, be provided with some fixing bolts 6, fixing bolt 6 is evenly distributed on gland 8, and fixing bolt 6 one end are simultaneously through gland 8 and housing 3, and spring 7 is arranged between fixing bolt 6 and running shaft 9.Fixing bolt 6 is stationary gland 8 and housing 3, existing mechanical seal structure is fixed on gland 8 on housing 3 for a long time by fixing bolt 6, due to corrosion or other factors, cause gland 8 and housing 3 to be connected to overall structure, when dismantling, need to spend great strength could take off gland 8 from housing 3, sometimes or even need to destroy gland 8 and just can take off, and arrange after spring 7, utilize the elasticity of spring 7, power-assisted is provided during dismounting, can like a cork gland 8 be taken off, the elasticity of spring 7 can not be too large, too greatly easily causes seal failure.
On the outer wall of running shaft 9, be sheathed with stationary ring 13, the inwall of stationary ring 13 contacts with the outer wall of running shaft 9, and stationary ring 13 is arranged between machinery 1 and axle sleeve type rotating ring 11, and the two ends of stationary ring 13 contact with axle sleeve type rotating ring 11 with machinery 1 respectively.Stationary ring 13, also referred to as compensated loop, is fixed in machinery 1 by stationary ring holding down bolt 14, has the seal ring of nose balance ability, is the structure that belongs to mechanically more conventional.In the technical program, stationary ring 13 be fixed in machinery 1 actionless.
The above; it is only preferred embodiment of the present utility model; not the utility model is done to any pro forma restriction; any simple modification, equivalent variations that every foundation technology of the present utility model, method are done above embodiment in fact, within all falling into protection domain of the present utility model.
Claims (6)
1. the mechanical seal structure that can guarantee that rotating shaft is rotated, comprise machinery (1), in described machinery (1), be connected with the housing (3) of inner hollow, in housing (3), be provided with running shaft (9), running shaft (9) one end through after housing (3) with vertical connection of machinery (1), it is characterized in that: between the outer wall of running shaft (9) and the inwall of housing (3), be provided with axle sleeve type rotating ring (11), running shaft (9) is through axle sleeve type rotating ring (11), on running shaft (9), be sheathed with gland (8), gland (8) is fixed on housing (3), between gland (8) and housing (3), be provided with some springs (7), the two ends of spring (7) are connected with housing (3) with gland (8) respectively, gland (8) one end is stretched between housing (3) and axle sleeve type rotating ring (11), and on the outer wall of axle sleeve type rotating ring (11), be provided with projection (10), projection (10) one end is fixed on the outer wall of axle sleeve type rotating ring (11), the other end contacts with gland (8).
2. a kind of mechanical seal structure that can guarantee that rotating shaft is rotated according to claim 1, it is characterized in that: between described running shaft (9) and axle sleeve type rotating ring (11), be provided with several O RunddichtringOs (4), the inwall of O RunddichtringO (4) contacts with the outer wall of running shaft (9), and the outer wall of O RunddichtringO (4) contacts with the inwall of axle sleeve type rotating ring (11).
3. a kind of mechanical seal structure that can guarantee that rotating shaft is rotated according to claim 2, it is characterized in that: on described axle sleeve type rotating ring (11), be provided with driving pin (5), driving pin (5) one end is arranged on running shaft (9) inside through after axle sleeve type rotating ring (11), and driving pin (5) is arranged on wherein between two adjacent O RunddichtringOs (4).
4. a kind of mechanical seal structure that can guarantee that rotating shaft is rotated according to claim 1, it is characterized in that: between described axle sleeve type rotating ring (11) and housing (3), be provided with stuffing box packing (12), the two ends of stuffing box packing (12) contact with housing (3) with axle sleeve type rotating ring (11) simultaneously, and the sidewall of stuffing box packing (12) and gland (8) stretch into the end contact between housing (3) and axle sleeve type rotating ring (11).
5. a kind of mechanical seal structure that can guarantee that rotating shaft is rotated according to claim 1, it is characterized in that: between described gland (8) and housing (3), be provided with some fixing bolts (6), fixing bolt (6) is evenly distributed on gland (8), fixing bolt (6) one end is simultaneously through gland (8) and housing (3), and spring (7) is arranged between fixing bolt (6) and running shaft (9).
6. a kind of mechanical seal structure that can guarantee that rotating shaft is rotated according to claim 1, it is characterized in that: on the outer wall of described running shaft (9), be sheathed with stationary ring (13), the inwall of stationary ring (13) contacts with the outer wall of running shaft (9), stationary ring (13) is arranged between machinery (1) and axle sleeve type rotating ring (11), and the two ends of stationary ring (13) contact with axle sleeve type rotating ring (11) with machinery (1) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320760842.8U CN203571046U (en) | 2013-11-28 | 2013-11-28 | Mechanical sealing structure capable of ensuring rotation of rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320760842.8U CN203571046U (en) | 2013-11-28 | 2013-11-28 | Mechanical sealing structure capable of ensuring rotation of rotating shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203571046U true CN203571046U (en) | 2014-04-30 |
Family
ID=50538778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320760842.8U Expired - Fee Related CN203571046U (en) | 2013-11-28 | 2013-11-28 | Mechanical sealing structure capable of ensuring rotation of rotating shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203571046U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742652A (en) * | 2013-11-28 | 2014-04-23 | 成都欧浦特控制阀门有限公司 | Mechanical sealing structure |
| CN104214086A (en) * | 2014-07-09 | 2014-12-17 | 何祥军 | Novel gear pump |
| CN104564661A (en) * | 2015-01-29 | 2015-04-29 | 何祥军 | Novel large flow gear pump |
-
2013
- 2013-11-28 CN CN201320760842.8U patent/CN203571046U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742652A (en) * | 2013-11-28 | 2014-04-23 | 成都欧浦特控制阀门有限公司 | Mechanical sealing structure |
| CN104214086A (en) * | 2014-07-09 | 2014-12-17 | 何祥军 | Novel gear pump |
| CN104214086B (en) * | 2014-07-09 | 2016-08-31 | 何祥军 | A kind of gear pump |
| CN104564661A (en) * | 2015-01-29 | 2015-04-29 | 何祥军 | Novel large flow gear pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203571046U (en) | Mechanical sealing structure capable of ensuring rotation of rotating shaft | |
| CN201434075Y (en) | Assembled type double end surface mechanical seal device | |
| CN103742652A (en) | Mechanical sealing structure | |
| CN205401727U (en) | Symmetry type magnetic fluid seal device | |
| CN204164340U (en) | Built-up piston seal arrangement | |
| CN203336103U (en) | Piston balance compensation type high-speed and high-pressure rotary connector | |
| CN206478037U (en) | A kind of mechanical sealing structure for pump for conveying particle and resisting medium | |
| CN205089979U (en) | Mechanical seal structure | |
| CN205401724U (en) | Reduce decentered device of big clearance magnetic fluid seal system pivot | |
| CN204153147U (en) | Pumping anti-leak mechanical seal device | |
| CN206478005U (en) | A kind of mechanical sealing structure for pump for conveying easy setting medium | |
| CN203162157U (en) | Pneumatic sealing device for crusher | |
| CN206246676U (en) | A kind of rotation axis seal structure | |
| CN104061330A (en) | Framework oil seal structure of asphalt pump | |
| CN202884337U (en) | Rotary joint and engineering machinery | |
| CN202468440U (en) | Mechanical seal device for pump with two end surfaces | |
| CN202955236U (en) | Spring enhancement type welded metal corrugated tube mechanical seal device | |
| CN208237084U (en) | A kind of Double End mechanical sealing device for cauldron of welding metal bellows | |
| CN206309326U (en) | Testing tube suspension sealing device | |
| CN202971298U (en) | Mechanical seal of centrifugal pump | |
| CN206608545U (en) | One kind can limit pretightning force and easy-disassembling-assembling packing seal structure | |
| CN203309120U (en) | Mechanical sealing mechanism | |
| CN210034422U (en) | Carbon ring type floating ring sealing device | |
| CN204299939U (en) | Pump hermetically-sealed construction | |
| CN204656900U (en) | A kind of vibrator with Novel bearing structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20141128 |
|
| EXPY | Termination of patent right or utility model |