CN210461693U - Wide-face double-spring universal plug seal - Google Patents
Wide-face double-spring universal plug seal Download PDFInfo
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- CN210461693U CN210461693U CN201921252168.6U CN201921252168U CN210461693U CN 210461693 U CN210461693 U CN 210461693U CN 201921252168 U CN201921252168 U CN 201921252168U CN 210461693 U CN210461693 U CN 210461693U
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Abstract
The utility model relates to a general stopper seals sealing washer technical field, concretely relates to general stopper of broad face double spring seals. The utility model discloses a general stopper of broad face double spring seals, will general stopper seal body sets up to circularize, and the ratio of the external diameter of general stopper seal body and the internal diameter of general stopper seal body is 1.8 ~ 3:1, increase the ring width of general stopper seal body, set up first annular and second annular respectively at the outer border and the interior border of general stopper seal body simultaneously, first annular and second annular are blocked respectively and are established first elastic component and second elastic component, all provide initial pretightning force to the outer wall and the inner wall of general stopper seal of broad face double spring to can bear hydraulic cylinder's centraxonial deflection, improve sealed effect, compare with the general stopper seal combined seal of two different specifications of traditional adoption, the utility model discloses a general stopper of broad face double spring seals more convenient to install and use, and sealed effect is better, has avoided using the general stopper seal combination of two different specifications to have the gap and reduce sealed effect.
Description
Technical Field
The utility model relates to a general stopper seals sealing washer technical field, concretely relates to general stopper of broad face double spring seals.
Background
The flooding plug Seal (Spring Seal/Spring energized Seal/valve Seal) is a high-performance Seal with special Spring in U-shaped Teflon, and by adding proper Spring force and system fluid pressure, the sealing lip (surface) is ejected to lightly press the sealed metal surface to generate excellent sealing effect. The spring actuation effect can overcome slight eccentricity of the metal mating surfaces and wear of the sealing lips, while continuing to maintain the desired sealing performance.
The flood seal can be made in accordance with AS568A standard O-ring grooves (e.g., radial shaft seal, piston seal, axial face seal, etc.) and can completely replace the universal O-ring. Receive current hydraulic pressure technology's continuous progress, current hydraulic cylinder constantly changes, to the hydraulic cylinder that the sealing groove face is wideer, adopts current general stopper to seal not only thickness big but also be not enough to seal hydraulic cylinder, if adopt the general stopper of two different specifications to seal, be unfavorable for the installation and sealed effect is poor.
Disclosure of Invention
In order to overcome the defects and deficiencies in the prior art, the utility model aims to provide a wide-face double-spring universal plug seal for sealing a hydraulic oil cylinder.
The purpose of the utility model is realized through the following technical scheme: the utility model provides a wide face double spring fills in entirely and seals, seals the body and all blocks first elastic component and the second elastic component of locating general stopper and sealing the body including general stopper, general stopper seals the body and is the annular, first annular and second annular have been seted up at the top of general stopper and seals the body, and first annular and second annular all encircle the central axis setting of general stopper and seal the body, the radius of first annular is greater than the radius of second annular, first elastic component holds and locates in the first annular, second elastic component holds and locates in the second annular, general stopper seals the external diameter of body and general stopper and seals the ratio of the internal diameter of body and be 1.8: 1-3: 1.
Preferably, the first elastic piece and the second elastic piece are both V-shaped springs or U-shaped springs; the cell wall of first annular extends to have and is used for the chucking the first chucking piece of first elastic component, the cell wall of second annular extends to have and is used for the chucking the second chucking piece of second elastic component.
Preferably, the wide-face double-spring universal plug seal further comprises a first O-shaped sealing ring clamped on the inner wall of the first elastic piece and a second O-shaped sealing ring clamped on the inner wall of the second elastic piece, wherein the O-shaped sealing ring protrudes out of the opening end face of the annular groove.
Preferably, the first elastic member and the second elastic member are formed by bending a serpentine spring symmetrically with respect to a center line.
Preferably, the shape of the first ring groove is the same as that of the second ring groove, and the size of the first ring groove is smaller than that of the second ring groove; the shape of the first elastic piece is the same as that of the second elastic piece, and the size of the first elastic piece is smaller than that of the second elastic piece.
Preferably, the outer peripheral edge at the top of general stopper seal body sinks to form annular step, first annular certainly annular step's top is established concavely.
Preferably, the outer side wall of the flooding plug seal body is provided with a first annular ridge, and the inner side wall of the flooding plug seal body is provided with a second annular ridge.
Preferably, the bottom of the flooding plug seal body and the inner side wall of the flooding plug seal body are in rounded transition.
The beneficial effects of the utility model reside in that: the utility model discloses a general stopper of broad face double spring seals, will general stopper seal body sets up to circularize, and the ratio of the external diameter of general stopper seal body and the internal diameter of general stopper seal body is 1.8 ~ 3:1, increase the ring width of general stopper seal body, set up first annular and second annular respectively at the outer border and the interior border of general stopper seal body simultaneously, first annular and second annular are blocked respectively and are established first elastic component and second elastic component, all provide initial pretightning force to the outer wall and the inner wall of general stopper seal of broad face double spring to can bear hydraulic cylinder's centraxonial deflection, improve sealed effect, compare with the general stopper seal combined seal of two different specifications of traditional adoption, the utility model discloses a general stopper of broad face double spring seals more convenient to install and use, and sealed effect is better, has avoided using the general stopper seal combination of two different specifications to have the gap and reduce sealed effect.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of the first elastic member of the present invention;
fig. 3 is a top view of the first elastic member of the present invention.
The reference signs are: 1. a flood plug seal body; 2. a first elastic member; 3. a second elastic member; 4. a first ring groove; 5. a second ring groove; 6. a first clamping block; 7. a second clamping block; 8. a rectangular protrusion; 9. a rectangular recess; 10. an opening; 11. a first O-ring seal; 12. a second O-ring seal; 13. an annular step; 14. a first annular ridge; 15. a second annular ridge.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying drawings, which are not intended to limit the present invention.
As shown in fig. 1-3, a wide-faced double-spring universal plug seal comprises a universal plug seal body 1, and a first elastic member 2 and a second elastic member 3 both clamped on the universal plug seal body 1, the flooding plug seal body 1 is ring-shaped, a first ring groove 4 and a second ring groove 5 are arranged at the top of the flooding plug seal body 1, the radius of the first ring groove 4 is larger than that of the second ring groove 5, preferably, the first ring groove 4 is arranged at the outer edge of the general plug seal body 1, the second ring groove 5 is arranged at the inner edge of the general plug seal body 1, the first elastic part 2 is accommodated in the first ring groove 4, the first elastic piece 2 is clamped on the inner wall of the first ring groove 4, the second elastic piece 3 is accommodated in the second ring groove 5, the inner wall of second annular 5 is located to second elastic component 3 card, the external diameter of general stopper seal body 1 and the internal diameter of general stopper seal body 1 compare for 1.8: 1-3: 1.
This general stopper of broad face double spring seals and sets up general stopper and seal body 1 and circularize, and the ratio of the external diameter of general stopper and seal body 1 and general stopper and seal body 1's internal diameter is 1.8: 1 ~ 3:1, the increase is general fills up and is sealed the ring width of body 1, simultaneously in general fills up the outer border and the interior border of sealing body 1 and set up first annular 4 and second annular 5 respectively, first annular 4 and second annular 5 block respectively and establish first elastic component 2 and second elastic component 3, all provide initial pretightning force to the outer wall and the inner wall that the general stopper of broad face double spring sealed to can bear hydraulic cylinder's centraxonial deflection, improve sealed effect, with the traditional general stopper of adopting two different specifications seal the composite seal and compare, the utility model discloses a general stopper of broad face double spring seals more convenient to install and use, and sealed effect is better, has avoided the general stopper combination of using two different specifications to have the gap and reduce sealed effect. Further, the flooding plug seals body 1, first annular 4 and second annular 5 formula structure as an organic whole. The flooding plug seal body 1 is made of polytetrafluoroethylene materials. Preferably, the ratio of the outer diameter of the flooding plug seal body 1 to the inner diameter of the flooding plug seal body 1 is 2: 1.
In this embodiment, the first elastic member 2 and the second elastic member 3 are both V-shaped springs or U-shaped springs; the cell wall of first annular 4 extends to have and is used for the chucking first chucking piece 6 of first elastic component 2, the cell wall of second annular 5 extends to have and is used for the chucking second chucking piece 7 of second elastic component 3.
The V-shaped spring or the U-shaped spring is adopted, the elasticity of the V-shaped spring or the U-shaped spring is applied to the groove walls of the first ring groove 4/the second ring groove 5 of the flooding plug seal body 1, so that greater compensation can be provided, initial pre-tightening force is provided for the outer wall and the inner wall of the wide-surface double-spring flooding plug seal, the deflection of a middle shaft of a hydraulic oil cylinder can be borne, and the compression strength and the sealing strength of the flooding plug seal body 1 are increased; furthermore, V type is personally submitted in V type spring's transversal, and U type is personally submitted in U type spring's transversal, first elastic component 2 and second elastic component 3 are whole circle formula spring, and whole circle spring exempts from to weld for the spring mounting is more swift, and common atress reduces the fatigue of whole circle formula spring, makes the flange general stopper seal more stable, great improvement the flange general stopper seal the life. Will 2 the card of first elastic component is located in the first annular 4 of general stopper body 1 and by 6 cooperations of first chucking piece first annular 4 chucking first elastic component 2 avoids first elastic component 2 breaks away from first annular 4 and loses the reinforcement supporting role and leads to sealed steadiness to reduce because of the hydraulic oil pump vibration, and on the same hand, the second chucking piece 7 of setting avoids second elastic component 3 breaks away from second annular 5 and loses the reinforcement supporting role and leads to sealed steadiness to reduce because of the hydraulic oil pump vibration. Further, first chucking piece 6 and second chucking piece 7 all with general stopper seals 1 formula structure as an organic whole, and closely the degree is high, the injection moulding of being convenient for.
In this embodiment, the wide-face double-spring universal plug seal further includes a first O-ring 11 clamped on the inner wall of the first elastic member 2 and a second O-ring 12 clamped on the inner wall of the second elastic member 3, and the O-rings protrude out of the opening end face of the ring groove.
By adopting the technical scheme, the first O-shaped sealing ring 11 and the second O-shaped sealing ring 12 both have a reinforcing effect on the flooding plug seal body 1, so that the compressive strength of the flooding plug seal body 1 is increased, the fatigue of the first elastic part 2 and the second elastic part 3 is reduced, and the first elastic part 2 and the second elastic part 3 are supported to buffer pressure; furthermore, the O-shaped sealing ring is abutted against the sealing groove surface of the hydraulic oil cylinder, so that fluid leakage caused by reciprocating motion and/or rotation of the hydraulic oil pump can be prevented, and the service life of the wide-surface double-spring universal plug seal is greatly prolonged.
In this embodiment, the first elastic member 2 and the second elastic member 3 are each formed by bending a serpentine spring symmetrically with respect to a center line.
By adopting the technical scheme, specifically, as shown in fig. 2-3, the first elastic part 2 is formed by bending a nickel-based alloy wire up and down to form a plurality of snake-shaped square frame structures, and specifically consists of a plurality of groups of rectangular bulges 8 and rectangular depressions 9 which are adjacently connected by taking a central line as a reference; the rectangular protrusions 8 and the rectangular depressions 9 are bent upwards by taking the central line as a reference to form openings 10, and the openings 10 are V-shaped or U-shaped; the second elastic member 3 is the same. Compared with a nickel-based alloy metal sheet, the alloy wire has higher dimensional stability and performance stability, does not need punching and burr in the process of processing into a V-shaped or U-shaped spring, prolongs the fatigue life, saves materials and reduces energy consumption.
In the present embodiment, the shape of the first ring groove 4 is the same as the shape of the second ring groove 5, and the size of the first ring groove 4 is smaller than that of the second ring groove 5; the shape of the first elastic element 2 is the same as the shape of the second elastic element 3, and the size of the first elastic element 2 is smaller than that of the second elastic element 3.
Adopt above-mentioned technical scheme, during the in-service use, because of general stopper seals the axis of the inside wall of body 1 and hydraulic oil pump and closely supports and lean on, and general stopper seals the outside wall of body 1 and closely supports and lean on with the sealing groove face of hydraulic oil pump, and the pressure and the stress that second elastic component 3 bore are bigger, and first elastic component 2 supports and leans on its buffering, the sealing effect in the sealing groove face of hydraulic oil pump, the size of first elastic component 2 is less than the size of second elastic component 3, and practical application's sealed effect is better.
In this embodiment, the outer peripheral edge of the top of the flooding plug seal body 1 sinks to form an annular step 13, and the first ring groove 4 is formed by the top of the annular step 13 in a concave manner.
By adopting the technical scheme, the universal plug seal body 1 is convenient to install and is clamped in the sealing groove surface of the hydraulic oil pump more tightly, so that the wide-surface double-spring universal plug seal is prevented from offsetting when the wide-surface double-spring universal plug seal is subjected to reciprocating motion and/or rotation of the hydraulic oil pump.
In this embodiment, the outer side wall of the tampon seal body 1 is provided with a first annular ridge 14, and the inner side wall of the tampon seal body 1 is provided with a second annular ridge 15.
By adopting the technical scheme, in practical use, the second annular convex ridge 15 is tightly abutted against the central shaft of the hydraulic oil pump, and the first annular convex ridge 14 is tightly abutted against the sealing groove surface of the hydraulic oil pump, so that the sealing effect is achieved. This arrangement is particularly suitable for use with rotating equipment.
In the present embodiment, the bottom of the flooding plug seal body 1 and the inner side wall of the flooding plug seal body 1 are in rounded transition.
The axis of hydraulic cylinder during installation is pegged graft along general stopper bottom of sealing body 1, adopts above-mentioned technical scheme, and the axis of the hydraulic cylinder of being convenient for is pegged graft in the inside wall that the general stopper of broad face double spring seals, and simple to operate avoids general stopper bottom of sealing body 1 to be obstructed or impaired.
The above-mentioned embodiment is the utility model discloses the implementation of preferred, in addition, the utility model discloses can also realize by other modes, not deviating from the utility model discloses any obvious replacement is all within the protection scope under the prerequisite of design.
Claims (8)
1. The utility model provides a wide face double spring general stopper seals which characterized in that: seal the body and all block and locate first elastic component and the second elastic component that general stopper sealed the body including general stopper, general stopper seals the body and is the annular, first annular and second annular have been seted up at the top of general stopper seal body, and first annular and second annular all encircle the central axis setting of general stopper seal body, the radius of first annular is greater than the radius of second annular, first elastic component holds and locates in the first annular, the second elastic component holds and locates in the second annular, the external diameter that general stopper sealed the body and general stopper seal the internal diameter of body than being 1.8: 1-3: 1.
2. The wide-faced double-spring universal plug seal according to claim 1, wherein: the first elastic piece and the second elastic piece are both V-shaped springs or U-shaped springs; the cell wall of first annular extends to have and is used for the chucking the first chucking piece of first elastic component, the cell wall of second annular extends to have and is used for the chucking the second chucking piece of second elastic component.
3. The wide-faced double-spring universal plug seal according to claim 2, wherein: the wide-face double-spring universal plug seal further comprises a first O-shaped sealing ring arranged on the inner wall of the first elastic piece in a clamping mode and a second O-shaped sealing ring arranged on the inner wall of the second elastic piece in a clamping mode, and the O-shaped sealing rings protrude out of the opening end face of the annular groove.
4. The wide-faced double-spring universal plug seal according to claim 2, wherein: the first elastic piece and the second elastic piece are formed by symmetrically bending a serpentine spring by taking a center line as a reference.
5. The wide-faced double-spring universal plug seal according to claim 1, wherein: the shape of the first ring groove is the same as that of the second ring groove, and the size of the first ring groove is smaller than that of the second ring groove; the shape of the first elastic piece is the same as that of the second elastic piece, and the size of the first elastic piece is smaller than that of the second elastic piece.
6. The wide-faced double-spring universal plug seal according to claim 1, wherein: the outer peripheral edges of the top of the flooding plug seal body sink to form annular steps, and the first ring groove is formed by concavely arranging the top of the annular steps.
7. The wide-faced double-spring universal plug seal according to claim 1, wherein: the lateral wall of general stopper seal body is provided with first annular ridge, the inside wall of general stopper seal body is provided with second annular ridge.
8. The wide-faced double-spring universal plug seal according to claim 1, wherein: the bottom of general stopper seals the body with the full fillet transition between the inside wall of general stopper seals the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921252168.6U CN210461693U (en) | 2019-08-02 | 2019-08-02 | Wide-face double-spring universal plug seal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921252168.6U CN210461693U (en) | 2019-08-02 | 2019-08-02 | Wide-face double-spring universal plug seal |
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| CN210461693U true CN210461693U (en) | 2020-05-05 |
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| CN201921252168.6U Active CN210461693U (en) | 2019-08-02 | 2019-08-02 | Wide-face double-spring universal plug seal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113385568A (en) * | 2021-07-06 | 2021-09-14 | 广东欧特派环保材料科技有限公司 | General stopper seals spring stamping equipment |
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2019
- 2019-08-02 CN CN201921252168.6U patent/CN210461693U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113385568A (en) * | 2021-07-06 | 2021-09-14 | 广东欧特派环保材料科技有限公司 | General stopper seals spring stamping equipment |
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