CN203784301U - Sealing device capable of automatically regulating sealing ring deflection - Google Patents
Sealing device capable of automatically regulating sealing ring deflection Download PDFInfo
- Publication number
- CN203784301U CN203784301U CN201420140224.8U CN201420140224U CN203784301U CN 203784301 U CN203784301 U CN 203784301U CN 201420140224 U CN201420140224 U CN 201420140224U CN 203784301 U CN203784301 U CN 203784301U
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- China
- Prior art keywords
- ring
- transmission shaft
- shaft lever
- room
- seal
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- Expired - Fee Related
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Abstract
The utility model relates to a sealing device capable of automatically regulating the sealing ring deflection. The sealing device mainly comprises a shaft cylinder, a transmission shaft pole, and a sealing component, wherein a fixed end sinks inwards in the axial direction of the shaft cylinder to form an accommodating chamber, the wall surface of a connecting end sinks inwards in the axial direction of the shaft cylinder to form a shaft hole, and the accommodating chamber is communicated with the shaft hole; the transmission shaft pole penetrates through the shaft hole and the accommodating chamber of the shaft cylinder; the sealing component comprises a first sealing ring, a first compression ring, a spring and a fixing part, wherein the first sealing ring and the first compression ring are arranged on the transmission shaft pole in a sleeving manner, the first sealing ring is arranged at the communication part of the accommodating chamber and the shaft hole, the first compression ring is pressed on and propped against the first sealing ring, and the first sealing ring is positioned between the inner wall of the accommodating chamber and the periphery of the transmission shaft pole; the spring is arranged on the transmission shaft pole in a sleeving manner, and one end of the spring is pressed on and propped against the other end of the first compression ring. Therefore, the spring can be used for automatically regulating the predetermined deflection of the first sealing ring, the exchange between air or liquid in the external cavity and the air or liquid outside through the clearance can be avoided, and the influence on the operation of the transmission shaft pole can further be avoided.
Description
Technical field
The utility model is relevant with seal arrangement, refers to especially a kind of seal arrangement of automatic adjusting sealed ring deformation amount.
Background technique
Argentina AR051097A1 patent, disclose the mechanical seal device of a kind of Pu pump cavity, there is a sleeve centre and wear a Pu pump shaft bar, between this sleeve and this axostylus axostyle, be provided with two seal rings, when this axostylus axostyle is axially or radially movable, make to form sealing state between this axostylus axostyle and this sleeve.
Aforementioned this two seal ring is between this sleeve and this axostylus axostyle, when this axostylus axostyle axial motion or radial rotary, because this two sealing ring deformations amount is excessive, this two seal rings internal diameter is excessively tightened this axostylus axostyle, therefore block the start of this axostylus axostyle in this sleeve, because this two seal rings elasticity power cannot be adjusted, thereby derivative above-mentioned shortcoming.
Summary of the invention
Main purpose of the present utility model is the seal arrangement that is to provide a kind of automatic adjusting sealed ring deformation amount, automatically regulates the amount of deformation of the first seal ring with spring, reaches the start of avoiding affecting transmission shaft lever.
Edge is, seal arrangement according to a kind of automatic adjusting sealed ring deformation amount provided by the utility model, include: a beam barrel, one end is a connecting end, another end is a fixed end, this connecting end and an external cavity are closely sealed, one room is axially forming towards internal recess along this beam barrel by this fixed end, one opening is formed at the wall of this fixed end and communicates with this room, one axis hole is by wall axially the forming towards internal recess along this beam barrel of this connecting end, this room is connected with this axis hole, and the bore of this room is greater than the bore of this axis hole, one transmission shaft lever, wears this axis hole and this room of this beam barrel, and a power end is defined in this transmission shaft lever one end, is exposed to outside the fixed end of this beam barrel, and in order to link power plant, a driving end is defined in this transmission shaft lever another end, is positioned at this external cavity, an and black box, comprise one first seal ring, one first pressure ring, one spring and a fixed block, this first seal ring, sheathed this transmission shaft lever of this first pressure ring, this first seal ring is arranged at this room place that is connected with this axis hole, this first pressure ring compresses this first seal ring towards one end of this connecting end, and this first seal ring is between this room inwall and this transmission shaft lever periphery, sheathed this transmission shaft lever of this spring, and one end compresses this first pressure ring another end, this fixed block compresses this spring another end, and be combined with the fixed end of this beam barrel, the power end of this transmission shaft lever is through this fixed block, and connect power plant.
By this, the utility model sees through and is pressed against this first pressure ring with this spring, in order to automatically to regulate the predetermined deformation amount of this first seal ring, this first seal ring sealing is fitted between this transmission shaft lever periphery and this beam barrel inwall, and do not hinder axial motion or the radial rotary of this transmission shaft lever.
Accompanying drawing explanation
Fig. 1 is the stereogram of the utility model the first preferred embodiment.
Fig. 2 is the three-dimensional exploded view of the utility model the first preferred embodiment.
Fig. 3 is the sectional drawing of 3-3 section in Fig. 1, shows that spring compresses the state of the first pressure ring, the first seal ring.
Fig. 4 is the sectional drawing of 4-4 section in Fig. 3, shows between seal ring laminating transmission shaft lever and beam barrel.
Fig. 5 is the stereogram of the utility model the second preferred embodiment.
Fig. 6 is the sectional drawing of 6-6 section in Fig. 5, shows that spring compresses the first pressure ring, the first seal ring, the second pressure ring, the
The state of two seal rings.
Embodiment
In order to describe technical characterstic of the present utility model place in detail, hereby lift following preferred embodiment and coordinate graphic explanation as after, wherein:
As shown in Figure 1 to Figure 3, the seal arrangement 10 of a kind of automatic adjusting sealed ring deformation amount that the utility model the first preferred embodiment provides, is mainly comprised of a beam barrel 21, a transmission shaft lever 31 and a black box 41, wherein:
This beam barrel 21, one end is a connecting end 22, as shown in Figure 3, another end is a fixed end 24, this connecting end 22 and an external cavity 60 are closely sealed, one room 26 is by this fixed end 24 axially forming towards internal recess along this beam barrel 21, as shown in Figure 2, one opening 27 is formed at the wall of this fixed end 24 and communicates with this room 26, one axis hole 28 is by wall axially the forming towards internal recess along this beam barrel 21 of this connecting end 22, this room 26 is connected with this axis hole 28, and the bore of this room 26 is greater than the bore of this axis hole 28.In this first embodiment, the connecting end 22 of this beam barrel 21 forms a junction 29 around, this external cavity 60 of closely sealed connection, as shown in Figure 3.
This transmission shaft lever 31, wear this axis hole 28 and this room 26 of this beam barrel 21, as shown in Figure 3, between this transmission shaft lever 31 and this axis hole 28, there is a gap A, one power end 32 is defined in this transmission shaft lever 31 one end, is exposed to outside the fixed end 24 of this beam barrel 21, in order to link power plant 70, one driving end 34 is defined in this transmission shaft lever 31 another ends, is positioned at this external cavity 60.In this first embodiment, these power plant 70 are a motor 71.
Sealing assembly 41, comprise one first seal ring 42, one first pressure ring 44, one spring 45 and a fixed block 46, as shown in Figures 2 and 3, this first seal ring 42, sheathed this transmission shaft lever 31 of this first pressure ring 44, this first seal ring 42 be arranged at this room 26 be connected with this axis hole 28 place B, this first pressure ring 44 compresses this first seal ring 42 towards one end of this connecting end 22, and this first seal ring 42 is between these room 26 inwalls and this transmission shaft lever 31 peripheries, as shown in Figure 4, sheathed this transmission shaft lever 31 of this spring 45, and one end compresses this first pressure ring 44 another ends, this fixed block 46 compresses this spring 45 another ends, and with fixed end 24 combinations of this beam barrel 21, the power end 32 of this transmission shaft lever 31 is through this fixed block 46, and connect power plant 70.In this first embodiment, this fixed block 46 has several lock members 47, fixed end 24 lockings by this fixed block 46 with this beam barrel 21, as shown in Figure 3.
The structure of the utility model the first preferred embodiment has more than been described, next the serviceability of the utility model the first preferred embodiment has been described.
Refer to Fig. 3 to Fig. 4, when motor 71 drives this transmission shaft lever 31 to carry out axial motion or radial rotary, because the elastic force of this spring 45 compresses this first pressure ring 44, this first seal ring 42, in order to automatically to regulate this first seal ring 42 to predetermined deformation amount, these the first seal ring 42 sealings are fitted between these transmission shaft lever 31 peripheries and this beam barrel 21 inwalls, gas or the liquid that can prevent these external cavity 60 inside exchange with extraneous via this gap A, need benly be, these the first seal ring 42 amount of deformation can't hinder axial motion or the radial rotary of this transmission shaft lever 31.
As from the foregoing, the attainable effect of the utility model is: solved in prior art excessive about this two sealing ring deformations amount, therefore cause the problem of blocking the start in this sleeve of this axostylus axostyle, the elastic force of this spring 45 compresses this first pressure ring 44, this first seal ring 42, in order to automatically to regulate this first seal ring 42 to predetermined deformation amount, gas or the liquid that can prevent these external cavity 60 inside exchange with extraneous via this gap A, and these the first seal ring 42 amount of deformation can not affect axial motion or the radial rotary of this transmission shaft lever 31 again.
Refer to Fig. 5 to Fig. 6, the connection rod structure 50 of the utility model second a kind of tool head that preferred embodiment provides, takes off the first preferred embodiment before being mainly generally same as, and difference is:
Sealing assembly 41 ' more comprises one second seal ring 48, one second pressure ring 49, this second seal ring 48, sheathed this transmission shaft lever 31 ' of this second pressure ring 49, and be positioned at this first pressure ring 44 ' towards one end of this fixed end 24 ', this second seal ring 48 is arranged between this first pressure ring 44 ' and this second pressure ring 49 and mutually compresses, and this second seal ring 48 is positioned between this room 26 ' inwall and this transmission shaft lever 31 ' periphery.
The structure of the utility model the second preferred embodiment has more than been described, next the serviceability of the utility model the second preferred embodiment has been described.
Refer to Fig. 5 to Fig. 6, when motor 71 drives this transmission shaft lever 31 ' to carry out axial motion or radial rotary, because the elastic force of this spring 45 ' compresses this first pressure ring 44 ', this first seal ring 42 ', this second pressure ring 49, this second seal ring 48, in order to automatically to regulate this first seal ring 42 ', this second seal ring 48 is to predetermined deformation amount, make this first seal ring 42 ', this second seal ring 48 fits between this transmission shaft lever 31 ' periphery and this beam barrel 21 ' inwall, gas or the liquid that can prevent these these external cavity 60 inside exchange with extraneous via this gap A, need benly be, this first seal ring 42 ', these the second seal ring 48 amount of deformation can't hinder axial motion or the radial rotary of this transmission shaft lever 31 '.
In the above description, those seal rings 42 ' of the utility model the second preferred embodiment, 48 and those pressure rings 44 ', 49 quantity be to take two as example, its difference is only, those seal rings 42 ', 48 can reach the better effect that maintains the sealing of these external cavity 60 inside by this, those seal rings 42 ', 48 and this constant wall pressure ring 44 ', 49 quantity can, for more than two, with aforementioned preferred embodiment, not be limited.
Before all the other structures of this second preferred embodiment and the effect that can reach are all generally same as, take off the first preferred embodiment, hold and no longer give and repeating.
Claims (5)
1. automatically regulate a seal arrangement for sealed ring deformation amount, it is characterized in that, include:
One beam barrel, one end is a connecting end, another end is a fixed end, this connecting end and an external cavity are closely sealed, one room is by this fixed end along axially the forming towards internal recess of this beam barrel, and an opening is formed at the wall of this fixed end and communicates with this room, and an axis hole is by wall axially the forming towards internal recess along this beam barrel of this connecting end, this room is connected with this axis hole, and the bore of this room is greater than the bore of this axis hole;
One transmission shaft lever, wears this axis hole and this room of this beam barrel, and a power end is defined in this transmission shaft lever one end, is exposed to outside the fixed end of this beam barrel, and in order to link power plant, a driving end is defined in this transmission shaft lever another end, is positioned at this external cavity; And
One black box, comprise one first seal ring, one first pressure ring, one spring and a fixed block, this first seal ring, sheathed this transmission shaft lever of this first pressure ring, this first seal ring is arranged at this room place that is connected with this axis hole, this first pressure ring compresses this first seal ring towards one end of this connecting end, and this first seal ring is between this room inwall and this transmission shaft lever periphery, sheathed this transmission shaft lever of this spring, and one end compresses this first pressure ring another end, this fixed block compresses this spring another end, and be combined with the fixed end of this beam barrel, the power end of this transmission shaft lever is through this fixed block, and connect power plant.
2. according to claim 1, automatically regulate the seal arrangement of sealed ring deformation amount, it is characterized in that: sealing assembly more comprises one second seal ring, one second pressure ring, this second seal ring, the sheathed transmission shaft lever of this second pressure ring, and be arranged at this first pressure ring towards one end of this fixed end, this second seal ring is arranged between this first pressure ring and this second pressure ring and mutually compresses, and this second seal ring is between this room inwall and this transmission shaft lever periphery.
3. according to claim 1, automatically regulate the seal arrangement of sealed ring deformation amount, it is characterized in that: the connecting end of this beam barrel forms a junction, this external cavity of closely sealed connection around.
4. according to claim 1, automatically regulate the seal arrangement of sealed ring deformation amount, it is characterized in that: these power plant are a motor.
5. according to claim 1, automatically regulate the seal arrangement of sealed ring deformation amount, it is characterized in that: this fixed block has several lock members, by the fixed end locking of this fixed block and this beam barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420140224.8U CN203784301U (en) | 2014-03-26 | 2014-03-26 | Sealing device capable of automatically regulating sealing ring deflection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420140224.8U CN203784301U (en) | 2014-03-26 | 2014-03-26 | Sealing device capable of automatically regulating sealing ring deflection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203784301U true CN203784301U (en) | 2014-08-20 |
Family
ID=51320489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420140224.8U Expired - Fee Related CN203784301U (en) | 2014-03-26 | 2014-03-26 | Sealing device capable of automatically regulating sealing ring deflection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203784301U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109329393A (en) * | 2018-11-30 | 2019-02-15 | 珠海格力电器股份有限公司 | Controlled atmosphere device and Air-conditioning system |
-
2014
- 2014-03-26 CN CN201420140224.8U patent/CN203784301U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109329393A (en) * | 2018-11-30 | 2019-02-15 | 珠海格力电器股份有限公司 | Controlled atmosphere device and Air-conditioning system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20200326 |