CN105757254A - Floating type static spring seat and mechanical sealing structure thereof - Google Patents
Floating type static spring seat and mechanical sealing structure thereof Download PDFInfo
- Publication number
- CN105757254A CN105757254A CN201610300143.3A CN201610300143A CN105757254A CN 105757254 A CN105757254 A CN 105757254A CN 201610300143 A CN201610300143 A CN 201610300143A CN 105757254 A CN105757254 A CN 105757254A
- Authority
- CN
- China
- Prior art keywords
- spring base
- spring
- ring
- base body
- spring seat
- 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.)
- Pending
Links
Classifications
-
- 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
- F16J15/3436—Pressing means
- F16J15/3452—Pressing means the pressing force resulting from the action of a spring
-
- 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
- F16J15/348—Pre-assembled seals, e.g. cartridge seals
Abstract
The invention relates to the technical field of mechanical sealing, in particular to a floating type static spring seat which comprises an annular spring seat body, wherein the end surface on one side of the spring seat body is an acting surface acting on a sealing component; a plurality of spring holes are formed in the end surface of the other side, opposite to the acting surface, of the spring seat body; a rotation-preventing structure for limiting rotation of the spring seat is arranged on the outer side of the circumference of the spring seat body. The floating type static spring seat is simple in structure, the functions of a spring seat and a push ring are integrated, a spring can be effectively protected, the use property of the spring can be better brought into play, and a stable acting force can be provided for a sealed end surface in mechanical sealing. Besides, the invention further provides a mechanical sealing structure which can further improve the use property of the spring seat and is good in sealing effect.
Description
Technical field
The present invention relates to technical field of mechanical, particularly to a kind of float type state type spring base and mechanical seal structure thereof.
Background technology
At present, existing mechanical seal spring base generally adopts the rotary off-normal spring seat along with runner assembly rotates together or non-float type state type spring base.Non-float type state type spring base is generally fixedly mounted in mechanical seal, for spring is supported, arranges throw-out collar, by throw-out collar, floating ring is acted on during use between floating ring and state type spring base, complicated structure；Meanwhile, it is identical that the machine direction of existing non-float type state type spring base front upper spring opening leaks direction with fluid, and the fluid of leakage is easily accessible in spring eye, thus affecting the compensating action function of spring.Rotary off-normal spring seat is that float type spring in actual use is except bearing the frictional force between spring base contact surface, still suffer from the gravity from spring base self and the produced centrifugal force of rotation, spring is easily made to be distorted, when particularly using in multiple-spring mechanical seal, the torsional deformation of spring is even more serious, has influence on the spring compensation to mechanical seal end surface；And the more complicated float type rotary off-normal spring seat of structure is in use, longer with the section of cooperation of mechanical seal drive mechanism, and then affect the floatability of floatation element, affect the practical effect of spring base.
Summary of the invention
It is an object of the invention to solve the above-mentioned technical problem existing for existing machinery Packing spring seat; a kind of float type state type spring base is provided; its simple in construction; the function of set spring base and throw-out collar simultaneously; and spring can be effectively protected; playing the use function of spring better, the seal face for mechanical seal provides stabilising force.
Meanwhile, the present invention also provides for a kind of serviceability that can further improve spring base, and seal face is fitted, and seals the mechanical seal structure that result of use is good.
For solving above-mentioned technical problem, present invention employs a kind of float type state type spring base, including ring spring seat body, described spring base body one side end face is and the acting surface of black box effect, opposite side end face contrary with this acting surface on described spring base body is provided with multiple spring eye, and described spring base body periphery is provided with the anti-rotation structure that restraining spring seat rotates.
In technique scheme, further, the acting surface of described spring base body being provided with outward extending pushing out ring, described pushing out ring is provided with annular groove, described pushing out ring is monolithic construction with spring base body.
In technique scheme, further, described anti-rotation structure is at least one anti-rotation groove being arranged on spring base body periphery.
In technique scheme, further, described spring base body is provided with for fixing the coupling arrangement being connected with black box.Here coupling arrangement mainly realizes the connection between spring base and stationary ring, it is prevented that relatively rotate between stationary ring and spring base.
In technique scheme, further, described coupling arrangement is the stop pin being arranged on spring base body acting surface, and described stop pin is fixing with spring base body to be connected.
In technique scheme, further, described spring eye is uniformly distributed along spring base body circumference.
The invention still further relates to a kind of mechanical seal structure, including quiet assembly housing, stationary ring, dynamic assembly and spring base, described stationary ring and spring base are arranged in quiet assembly housing, the acting surface of spring base withstands on the end face of stationary ring one end, it is provided with spring between spring base and quiet assembly housing, described spring is arranged in the spring eye of spring base, and described spring base is connected with quiet assembly housing by anti-rotation groove, is connected between spring base with stationary ring.
In technique scheme, further, a pushing out ring for described spring base stretches in stationary ring, and a pushing out ring outer peripheral face matches with stationary ring inner peripheral surface, is provided with sealing ring in the annular groove of a pushing out ring.
In technique scheme, further, described static components housing being provided with purge passage, described purge passage is arranged on above spring base, the spring eye on connection spring base.
In technique scheme, further, being provided with flow guide sleeve in described spring base, described flow guide sleeve one end is stretched in spring base, and the other end stretches out outside spring base along spring eye opening direction, and flow guide sleeve outer peripheral face matches with spring base inner peripheral surface.
The present invention is had the advantages that
1) this spring seat structure is when effect, its acting surface is directly and stationary ring end contact, spring base acts directly on stationary ring by spring, stable spring force is provided for black box, it has abandoned the combinative structure form of spring base and throw-out collar in current black box, integrate the function of original spring base and throw-out collar, make whole mechanical seal structure simpler, be linked and packed convenient；Simultaneously as directly act between itself and stationary ring, it is provided that more stable to the active force of seal face, thus improve sealing stability and the sealing property of mechanical seal；
2) spring seat structure is simple, compact, farthest reduces the weight of spring base, thus increasing the floating performance of spring base, improves the stability of acting force of the spring；Further, spring is arranged in spring eye, and force direction and the deformation direction of spring are played certain guide effect by spring eye, thus further increasing the stability of acting force of the spring；
3) opening direction of spring base front upper spring opening is in opposite direction with acting surface, can effectively prevent the fluid in mechanical seal from entering in spring eye, the performance of spring be impacted, thus being further ensured that and acting on the stability of active force on mechanical seal seal face；
4) purge passage and flow guide sleeve are set on mechanical seal structure, the fluid in spring eye can be blown out, keep No leakage fluid in spring eye, further ensure the active force stability that spring acts on seal face.
Accompanying drawing explanation
Fig. 1 is spring base embodiment one structural representation of the present invention.
Fig. 2 is spring base embodiment one structure right view of the present invention.
Fig. 3 is spring base embodiment two structural representation of the present invention.
Fig. 4 is mechanical seal structure schematic diagram of the present invention.
In figure: 1, spring base body, 2, spring eye, 3, anti-rotation groove, 4, acting surface, 5, stop pin, 6, a pushing out ring, 7, groove, 8, quiet assembly housing, 9, stationary ring, 10, dynamic assembly, 11, spring base, 12, connecting key, 13, spring, 14, sealing ring, 15, purge passage, 16, flow guide sleeve.
Detailed description of the invention
In mechanical seal, providing an active force stable each other often through spring for the stationary ring in black box and rotating ring, spring base is generally used for spring is supported.Spring seat structure in the present invention is when effect, its acting surface is directly and stationary ring back contact, spring base acts directly on stationary ring by spring, stable spring force is provided for black box, it has abandoned the combinative structure form of spring base and throw-out collar in existing black box, integrate the function of existing spring base and throw-out collar, make whole mechanical seal structure simpler, be linked and packed convenient；Meanwhile, by spring base can Direct Uniform transmission spring force to stationary ring, it is ensured that the laminating of dynamic and static ring end face, thus improve sealing stability and the sealing property of mechanical seal.Specifically, spring base of the present invention can adopt following structure:
Embodiment one
nullSuch as Fig. 1 and 2，A kind of float type state type spring base，Including ring spring seat body 1，Described spring base body 1 one side end face is and the acting surface 4 of mechanical seal black box effect，Opposite side end face contrary with this acting surface 4 on described spring base body 1 is provided with multiple spring eye 2，Described spring base body 1 periphery is provided with the anti-rotation structure that restraining spring seat rotates，Here anti-rotation structure is for realizing the connection between spring base and the seal casinghousing of mechanical seal，For preventing mechanical seal operationally spring base from rotating，What the anti-rotation structure in the present embodiment adopted is arrange at least one anti-rotation groove 3 in spring base body periphery，Certainly other similar structures can also be adopted here，As long as can realize not relatively rotating between spring base and seal casinghousing，Spring base also can along the axial side-to-side movement of seal casinghousing simultaneously.On spring base, anti-rotation groove quantity can be arranged as required to multiple, and now multiple anti-rotation grooves can be distributed along spring base body even circumferential, and described anti-rotation groove can adopt cross section to be arc or square groove structure.Spring base is when assembling, acting surface and stationary ring directly act on, and owing to the opening direction of spring base front upper spring opening is in opposite direction with acting surface, can effectively prevent the fluid in mechanical seal from entering in spring eye, prevent fluid from the performance of spring being impacted, it is ensured that to act on the stability of active force on mechanical seal seal face.
Spring base body 1 arranges coupling arrangement, here coupling arrangement is for realizing the connection between spring base and stationary ring, therefore described coupling arrangement can adopt concrete attachment structure, certain connected mode can also be adopted, as will be attached by bonding or welding mode between spring base with stationary ring, coupling arrangement in the present embodiment is the stop pin 5 being arranged on spring base body 1 acting surface, and wherein stop pin 5 is fixedly connected on spring base body 1.During installation, spring base by being connected between anti-rotation groove with seal casinghousing, and spring base is by being connected between stop pin with stationary ring, thus realizing not relatively rotating between stationary ring, spring base and seal casinghousing.
Preferably, described spring eye 2 is uniformly distributed along spring base body circumference；The active force acting on stationary ring by spring so can be made more uniform.
Embodiment two
As shown in Figure 3, a kind of float type state type spring base, including ring spring seat body 1, described spring base body 1 one side end face is and the acting surface 4 of mechanical seal black box effect, opposite side end face contrary with this acting surface 4 on described spring base body 1 is provided with multiple spring eye 2, and described spring base body 1 periphery is provided with at least one anti-rotation groove 3；Being provided with outward extending pushing out ring 6 on the acting surface of described spring base body, described pushing out ring 6 is provided with annular groove 7, described pushing out ring 6 is monolithic construction with spring base body 1.
During installation, a pushing out ring 6 for spring base extend in stationary ring, cooperates between outer peripheral face and the inner peripheral surface of stationary ring of a pushing out ring 6, arranges sealing ring 14 in the groove 7 of a pushing out ring simultaneously, make that there is between stationary ring and spring base good alignment, play the effect to spring base auxiliary positioning.
Equally, for realizing the connection between spring base and stationary ring, in the present embodiment, the equally possible coupling arrangement arranged in embodiment one on spring base body, just repeats no more here.
The invention still further relates to a kind of mechanical seal structure, such as Fig. 4, including quiet assembly housing 8, stationary ring 9, dynamic assembly 10 and above-mentioned spring base 11, described stationary ring 9 and spring base 11 are arranged in quiet assembly housing 8, the acting surface 4 of spring base 11 withstands on the end face of stationary ring 9 one end, spring 13 it is provided with between spring base 11 and quiet assembly housing 8, described spring 13 is arranged in the spring eye 2 of spring base 11, spring base 11 connects quiet assembly housing 8, specifically, quiet assembly housing 8 is fixedly installed the connecting key 12 corresponding with anti-rotation groove structure, connecting key 12 stretches in anti-rotation groove 3, realize the connection between spring base and quiet assembly housing；Now under the effect of connecting key and anti-rotation groove, limit relatively rotating between spring base and quiet assembly housing, and spring base can along quiet assembly housing axis direction left right horizontal movement；It is connected by coupling arrangement between spring base with stationary ring, connection between spring base and stationary ring can be realized by the coupling arrangement arranged such as stop pin on spring base, can also be realized by the interference fit propped up between pushing out ring and stationary ring of spring base, when adopting the mode arranging stop pin on spring base to be attached, stop pin one end is fixing with spring base to be connected, the other end extend on stationary ring in the corresponding hole of setting, thus limiting relatively rotating between stationary ring and spring base.
When being provided with pushing out ring 6 on spring base 11, a pushing out ring 6 for described spring base 11 stretches in stationary ring 9, and pushing out ring 6 outer peripheral face matches with stationary ring 9 inner peripheral surface, arranges sealing ring 14 in the annular groove 7 propping up pushing out ring 6.By arranging sealing ring between pushing out ring and stationary ring, not only act as the coaxial positioning action between spring base with stationary ring, the sealing between spring base and stationary ring inner peripheral surface can be realized simultaneously.
Being provided with purge passage 15 on the static components housing 8 of described mechanical seal structure, described purge passage 15 is arranged on above spring base 11, the spring eye 2 on connection spring base 11.It addition, be additionally provided with flow guide sleeve 16 in described spring base 11, described flow guide sleeve 16 one end is stretched in spring base 11, and the other end stretches out outside spring base 11 along spring eye 2 opening direction, and flow guide sleeve 16 outer peripheral face matches with spring base 11 inner peripheral surface.Interference fit can be adopted between flow guide sleeve with spring base to be connected.By arranging purge passage and flow guide sleeve on mechanical seal structure, the fluid blowout that can will enter in spring eye, keep No leakage fluid in spring eye, further ensure spring and act on the stability of active force on seal face；Simultaneously because flow guide sleeve is arranged far from the side of seal face, can play and the fluid of blowout in spring eye is carried out the effect of water conservancy diversion, fluid is made to flow out along flow guide sleeve towards away from seal face direction, and then the fluid seal face that is directly entered between stationary ring and rotating ring of blowout can be prevented, and the sealing of seal face is impacted.
The specification and drawings of the present invention is considered as illustrative and not restrictive; on basis of the present invention; those skilled in the art are according to disclosed technology contents; just some of them technical characteristic need not can be made some replacements and deformation by performing creative labour, all in protection scope of the present invention.
Claims (10)
1. a float type state type spring base, it is characterized in that: include ring spring seat body, described spring base body one side end face is and the acting surface of black box effect, opposite side end face contrary with this acting surface on described spring base body is provided with multiple spring eye, and described spring base body periphery is provided with the anti-rotation structure that restraining spring seat rotates.
2. float type state type spring base according to claim 1, it is characterized in that: the acting surface of described spring base body is provided with outward extending pushing out ring, being provided with annular groove on described pushing out ring, described pushing out ring is monolithic construction with spring base body.
3. float type state type spring base according to claim 1 and 2, it is characterised in that: described anti-rotation structure is at least one anti-rotation groove being arranged on spring base body periphery.
4. float type state type spring base according to claim 1 and 2, it is characterised in that: described spring base body is provided with for fixing the coupling arrangement being connected with black box.
5. float type state type spring base according to claim 4, it is characterised in that: described coupling arrangement is the stop pin being arranged on spring base body acting surface, and described stop pin is fixing with spring base body to be connected.
6. float type state type spring base according to claim 1 and 2, it is characterised in that: described spring eye is uniformly distributed along spring base body circumference.
7. a mechanical seal structure, it is characterized in that: include the spring base described in quiet assembly housing, stationary ring, dynamic assembly and the claims 1 to 6, described stationary ring and spring base are arranged in quiet assembly housing, the acting surface of spring base withstands on the end face of stationary ring one end, it is provided with spring between spring base and quiet assembly housing, described spring is arranged in the spring eye of spring base, and described spring base is connected with quiet assembly housing by anti-rotation groove, is connected between spring base with stationary ring.
8. mechanical seal structure according to claim 7, it is characterised in that: a pushing out ring for described spring base stretches in stationary ring, and a pushing out ring outer peripheral face matches with stationary ring inner peripheral surface, is provided with sealing ring in the annular groove of a pushing out ring.
9. the mechanical seal structure according to claim 7 or 8, it is characterised in that: being provided with purge passage on described static components housing, described purge passage is arranged on above spring base, the spring eye on connection spring base.
10. mechanical seal structure according to claim 9, it is characterized in that: in described spring base, be provided with flow guide sleeve, described flow guide sleeve one end is stretched in spring base, and the other end stretches out outside spring base along spring eye opening direction, and flow guide sleeve outer peripheral face matches with spring base inner peripheral surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610300143.3A CN105757254A (en) | 2016-05-09 | 2016-05-09 | Floating type static spring seat and mechanical sealing structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610300143.3A CN105757254A (en) | 2016-05-09 | 2016-05-09 | Floating type static spring seat and mechanical sealing structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105757254A true CN105757254A (en) | 2016-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610300143.3A Pending CN105757254A (en) | 2016-05-09 | 2016-05-09 | Floating type static spring seat and mechanical sealing structure thereof |
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| Country | Link |
|---|---|
| CN (1) | CN105757254A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139923A (en) * | 2018-09-28 | 2019-01-04 | 安徽安密机械密封有限公司 | A kind of split spring mechanical seal part and its preparation process |
| CN111413139A (en) * | 2020-03-14 | 2020-07-14 | 安徽巢海水泥有限公司 | Sampler suitable for sampling link in cement detection and sampling tube matched with same |
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| CN200975365Y (en) * | 2006-11-08 | 2007-11-14 | 胡滨 | High concentration flushing-free leaping integrated type slag-stuff pump mechanical sealing element |
| CN202955019U (en) * | 2012-12-05 | 2013-05-29 | 东莞市华汇精密机械有限公司 | Mechanical sealing device for low-density volatile medium |
| CN202955026U (en) * | 2012-12-05 | 2013-05-29 | 东莞市华汇精密机械有限公司 | Mechanical sealing device for high pressure water-injection pump |
| CN203743436U (en) * | 2014-03-14 | 2014-07-30 | 成都一通密封有限公司 | Mechanical sealing device for salt slurry pump with large shaft diameter |
| CN203770201U (en) * | 2013-12-26 | 2014-08-13 | 东莞市华汇精密机械有限公司 | Mechanical sealing device capable of bearing high pressure |
| CN203809346U (en) * | 2014-04-08 | 2014-09-03 | 四川大禹机械密封件制造有限公司 | Mechanical seal device for solid-liquid two-phase flow |
| CN104329466A (en) * | 2014-09-03 | 2015-02-04 | 上海乐合流体机械有限公司 | High-temperature-resistant mechanical sealing device |
| CN205841764U (en) * | 2016-05-09 | 2016-12-28 | 成都一通密封股份有限公司 | A kind of float type state type spring base and mechanical seal structure thereof |
-
2016
- 2016-05-09 CN CN201610300143.3A patent/CN105757254A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200975365Y (en) * | 2006-11-08 | 2007-11-14 | 胡滨 | High concentration flushing-free leaping integrated type slag-stuff pump mechanical sealing element |
| CN202955019U (en) * | 2012-12-05 | 2013-05-29 | 东莞市华汇精密机械有限公司 | Mechanical sealing device for low-density volatile medium |
| CN202955026U (en) * | 2012-12-05 | 2013-05-29 | 东莞市华汇精密机械有限公司 | Mechanical sealing device for high pressure water-injection pump |
| CN203770201U (en) * | 2013-12-26 | 2014-08-13 | 东莞市华汇精密机械有限公司 | Mechanical sealing device capable of bearing high pressure |
| CN203743436U (en) * | 2014-03-14 | 2014-07-30 | 成都一通密封有限公司 | Mechanical sealing device for salt slurry pump with large shaft diameter |
| CN203809346U (en) * | 2014-04-08 | 2014-09-03 | 四川大禹机械密封件制造有限公司 | Mechanical seal device for solid-liquid two-phase flow |
| CN104329466A (en) * | 2014-09-03 | 2015-02-04 | 上海乐合流体机械有限公司 | High-temperature-resistant mechanical sealing device |
| CN205841764U (en) * | 2016-05-09 | 2016-12-28 | 成都一通密封股份有限公司 | A kind of float type state type spring base and mechanical seal structure thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139923A (en) * | 2018-09-28 | 2019-01-04 | 安徽安密机械密封有限公司 | A kind of split spring mechanical seal part and its preparation process |
| CN111413139A (en) * | 2020-03-14 | 2020-07-14 | 安徽巢海水泥有限公司 | Sampler suitable for sampling link in cement detection and sampling tube matched with same |
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Application publication date: 20160713 |