CN210372009U - V-shaped combined sealing ring - Google Patents
V-shaped combined sealing ring Download PDFInfo
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- CN210372009U CN210372009U CN201920958508.0U CN201920958508U CN210372009U CN 210372009 U CN210372009 U CN 210372009U CN 201920958508 U CN201920958508 U CN 201920958508U CN 210372009 U CN210372009 U CN 210372009U
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Abstract
The utility model relates to a V-arrangement combined seal circle technical field just discloses a V-arrangement combined seal circle, including clamping ring, V-arrangement spring, high-pressure resistant sealing ring, fluting V-arrangement sealing ring, V-arrangement sealing ring and support ring, clamping ring, V-arrangement spring, high-pressure resistant sealing ring, fluting V-arrangement sealing ring, V-arrangement sealing ring and support ring are arranged conflict from a left side to the right side in proper order, and it all installs between seal receptacle and piston rod, and the other end passes through the gland fixed, the left side wall of clamping ring is the rectangle plane, and the right side wall is convex curved surface, the left side wall of high-pressure resistant sealing ring is opened there is the U-shaped groove, and the right side wall is the V-arrangement compression face, the quantity of V-arrangement spring is two. The utility model provides a current ordinary V-arrangement composite seal produce wearing and tearing even impact damage easily, lead to the problem of sealed failure.
Description
Technical Field
The utility model relates to a V-arrangement combined seal circle technical field specifically is a V-arrangement combined seal circle.
Background
At present, the V-shaped combined sealing ring is widely used in high-pressure ultrahigh-pressure hydraulic machinery, and although the use effect is better, the V-shaped combined sealing ring still has a plurality of defects: the common V-shaped combined seal is in high-speed high-pressure flow of liquid, and a V-shaped seal ring of the common V-shaped combined seal is impacted by high-speed high-pressure fluid, so that abrasion and even impact damage are easily generated, and the seal failure is caused.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a V-arrangement combination seal that sealing performance is splendid, anti fluid strikes, long service life, frictional resistance are little, highly reliable, resistant superhigh pressure to prior art not enough, the utility model provides a.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a V-shaped combined sealing ring comprises a pressing ring, a V-shaped spring, a high-pressure-resistant sealing ring, a slotted V-shaped sealing ring, a V-shaped sealing ring and a supporting ring, wherein the pressing ring, the V-shaped spring, the high-pressure-resistant sealing ring, the slotted V-shaped sealing ring and the supporting ring are sequentially arranged from left to right and abutted, and are all arranged between a sealing seat and a piston rod, and the other end of the pressing ring is fixed through a gland;
the left side wall of the compression ring is a rectangular flat surface, and the right side wall of the compression ring is an arc-shaped curved surface;
the left side wall of the high-pressure resistant sealing ring is provided with a U-shaped groove, and the right side wall of the high-pressure resistant sealing ring is an arc-shaped curved surface;
the left side wall of the slotted V-shaped sealing ring is provided with a U-shaped slot, and the right side wall of the slotted V-shaped sealing ring is a V-shaped compression surface;
the number of the V-shaped springs is two, and the two V-shaped springs are respectively positioned in a U-shaped groove on the high-pressure resistant sealing ring and a U-shaped groove on the slotted V-shaped sealing ring;
the outer wall of the high-pressure resistant sealing ring and the outer wall of the slotted V-shaped sealing ring are both provided with sealing lips;
the left side wall of the V-shaped sealing ring is provided with a V-shaped groove, and the right side wall of the V-shaped sealing ring is a V-shaped compression surface;
the left side wall of the support ring is provided with a V-shaped groove, and the right side wall of the support ring is a flat surface.
Preferably, the compression ring, the high-pressure-resistant sealing ring, the slotted V-shaped sealing ring, the V-shaped sealing ring and the support ring can be made of rubber, polyurethane, polytetrafluoroethylene or composite materials thereof, ultrahigh molecular weight polyethylene and copper.
Preferably, the sealing lip can be provided with one or more circular arcs to achieve the best sealing effect.
Preferably, the V-shaped spring is made of stainless steel.
Preferably, the sealing lip is provided with circular arcs r1 and r2, and the root part of the sealing lip is provided with a transition circular arc r 3.
Preferably, the root of the V-shaped groove on the V-shaped sealing ring and the root of the V-shaped groove on the support ring are respectively provided with an arc r4 and an arc r 5.
(III) advantageous effects
Compared with the prior art, the utility model provides a V-arrangement combination sealing washer possesses following beneficial effect:
1. the sealing performance of the V-shaped sealing ring, the U-shaped groove and the sealing lip is effectively improved through redesigning the V-shaped sealing ring, the U-shaped groove and the sealing lip, and meanwhile, the sealing reliability can be ensured; the arc of the sealing lip can effectively slow down the impact of high-speed high-pressure fluid on the lip mouth, and the high-pressure resistance of the sealing lip is effectively improved.
2. The V-shaped spring is arranged in the U-shaped groove on the high-pressure resistant sealing ring and the slotted V-shaped sealing ring, when the sealing ring is worn, the sealing ring can be automatically compensated under the tension action of the spring, and the sealing reliability is improved.
Drawings
Fig. 1 is a schematic view of the V-shaped combined seal ring of the present invention in practical use;
fig. 2 is a front view of the overall structure of the V-shaped combined seal ring of the present invention;
FIG. 3 is a schematic view of the V-shaped spring according to the present invention;
FIG. 4 is a front view of the high pressure resistant seal ring of the present invention;
FIG. 5 is a front view of the grooved V-ring of the present invention;
FIG. 6 is a front view of the V-shaped sealing ring of the present invention;
FIG. 7 is a detailed front view of the support ring of the present invention;
fig. 8 is a schematic view of an arc structure of a sealing lip of a V-shaped combined sealing ring of the present invention;
FIG. 9 is a schematic view of the combined structure of the pressure ring, the V-shaped spring, the grooved V-shaped sealing ring and the support ring of the present invention;
FIG. 10 is a schematic view of the combined structure of the pressure ring, the V-shaped spring, the high pressure resistant sealing ring, the slotted V-shaped sealing ring and the support ring of the present invention;
fig. 11 is a front view of the structure of the present invention using multiple V-shaped sealing rings.
In the figure: 1 clamping ring, 2V-shaped springs, 3 high-pressure-resistant sealing rings, 4 grooved V-shaped sealing rings, 5V-shaped sealing rings, 6 supporting rings, 7 pressing covers, 8 sealing seats and 9 piston rods.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-11, the utility model provides a technical solution: a V-shaped combined sealing ring comprises a pressing ring 1, a V-shaped spring 2, a high-pressure-resistant sealing ring 3, a slotted V-shaped sealing ring 4, a V-shaped sealing ring 5 and a supporting ring 6, wherein the pressing ring 1, the V-shaped spring 2, the high-pressure-resistant sealing ring 3, the slotted V-shaped sealing ring 4, the V-shaped sealing ring 5 and the supporting ring 6 are sequentially arranged from left to right and are abutted, and are all arranged between a sealing seat 8 and a piston rod 9, the other end of the pressing ring is fixed through a gland 7, and the pressing ring 1, the high-pressure-resistant sealing ring 3, the slotted V-shaped sealing ring 4, the V-shaped sealing ring 5 and the supporting ring 6 can be made of rubber, polyurethane, polytetrafluoroethylene or composite materials thereof;
the left side wall of the compression ring 1 is a rectangular flat surface, and the right side wall of the compression ring is an arc-shaped curved surface;
the left side wall of the high-pressure resistant sealing ring 3 is provided with a U-shaped groove, and the right side wall of the high-pressure resistant sealing ring 3 is a circular arc curved surface;
the left side wall of the slotted V-shaped sealing ring 4 is provided with a U-shaped slot, and the right side wall is a V-shaped compression surface;
the number of the V-shaped springs 2 is two, the V-shaped springs are respectively positioned in a U-shaped groove on the high-pressure resistant sealing ring 3 and a U-shaped groove on the slotted V-shaped sealing ring 4, the V-shaped springs 2 are made of stainless steel materials, applicable media are wide, and the V-shaped springs can be used under severe working conditions;
the outer walls of the high-pressure resistant sealing ring 3 and the slotted V-shaped sealing ring 4 are provided with sealing lips, the sealing lips are provided with circular arcs r1 and r2, the root parts of the sealing lips are provided with transition circular arcs r3, and the sealing lips can be provided with one or more circular arcs so as to achieve the best sealing effect;
a V-shaped groove is formed in the left side wall of the V-shaped sealing ring 5, the right side wall of the V-shaped sealing ring is a V-shaped compression surface, and the root of the V-shaped groove in the V-shaped sealing ring 5 and the root of the V-shaped groove in the supporting ring 6 are respectively provided with an arc r4 and an arc r 5;
the left side wall of the support ring 6 is provided with a V-shaped groove, and the right side wall is a flat surface.
Further modified to use only the pressure ring 1, the grooved V-shaped sealing ring 4 and the support ring 6 for sealing.
Further improvements may be made to seal with the pressure ring 1, the high pressure resistant sealing ring 3, the slotted V-shaped sealing ring 4 and the support ring 6.
In a further development, one or more V-shaped sealing rings 5 can be used for sealing.
The working principle is as follows: when the sealing structure is used, the sealing structure is arranged between the sealing seat 8 and the piston rod 9, the other end of the sealing structure is fixed through the gland 7, the arc-shaped sealing lips are arranged on the outer walls of the high-pressure-resistant sealing ring 3 and the slotted V-shaped sealing ring 4, the impact effect of high-speed high-pressure fluid on the lip mouth can be effectively weakened through the arc-shaped sealing lips, and therefore high pressure is resisted, the V-shaped spring 2 is arranged in the high-pressure-resistant sealing ring 3 and the slotted V-shaped sealing ring 4 and has pre-compression amount and deformation, radial force application is provided for the slotted V-shaped sealing ring 4 and the high-pressure-resistant sealing ring 3, the slotted V-shaped sealing ring 4 is tightly attached to the piston rod 9, self sealing is achieved, after abrasion is formed in long-time work, the compression amount of the V-shaped spring 2 is released, and. Therefore, the sealing has good sealing performance, resists ultrahigh pressure, has long service life and is more reliable, and the maintenance and repair time of the shutdown of the main engine is reduced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a V-arrangement combination sealing washer, includes clamping ring (1), V-arrangement spring (2), resistant high pressure seal ring (3), slotted V-arrangement sealing ring (4), V-arrangement sealing ring (5) and support ring (6), its characterized in that: the compression ring (1), the V-shaped spring (2), the high-pressure-resistant sealing ring (3), the slotted V-shaped sealing ring (4), the V-shaped sealing ring (5) and the support ring (6) are sequentially arranged from left to right and abutted, and are all arranged between the sealing seat (8) and the piston rod (9), and the other ends of the compression ring and the support ring are fixed through a gland (7);
the left side wall of the compression ring (1) is a rectangular flat surface, and the right side wall of the compression ring is an arc-shaped curved surface;
the left side wall of the high-pressure resistant sealing ring (3) is provided with a U-shaped groove, and the right side wall of the high-pressure resistant sealing ring (3) is a circular arc-shaped curved surface;
the left side wall of the slotted V-shaped sealing ring (4) is provided with a U-shaped slot, and the right side wall is a V-shaped compression surface;
the number of the V-shaped springs (2) is two, and the two V-shaped springs are respectively positioned in a U-shaped groove on the high-pressure resistant sealing ring (3) and a U-shaped groove on the slotted V-shaped sealing ring (4);
the outer wall of the high-pressure resistant sealing ring (3) and the outer wall of the slotted V-shaped sealing ring (4) are provided with sealing lips;
the left side wall of the V-shaped sealing ring (5) is provided with a V-shaped groove, and the right side wall of the V-shaped sealing ring is a V-shaped compression surface;
the left side wall of the support ring (6) is provided with a V-shaped groove, and the right side wall is a flat surface.
2. The V-shaped composite seal ring according to claim 1, wherein: the compression ring (1), the high-pressure resistant sealing ring (3), the slotted V-shaped sealing ring (4), the V-shaped sealing ring (5) and the support ring (6) can be made of rubber, polyurethane, polytetrafluoroethylene or composite materials thereof, ultrahigh molecular weight polyethylene and copper.
3. The V-shaped composite seal ring according to claim 1, wherein: the sealing lip can be provided with one or more arcs to achieve the best sealing effect.
4. The V-shaped composite seal ring according to claim 1, wherein: the V-shaped spring (2) is made of stainless steel materials.
5. The V-shaped composite seal ring according to claim 1, wherein: the sealing lip is provided with circular arcs r1 and r2, and the root part of the sealing lip is provided with a transition circular arc r 3.
6. The V-shaped composite seal ring according to claim 1, wherein: the root parts of the V-shaped grooves on the V-shaped sealing ring (5) and the support ring (6) are respectively provided with an arc r4 and an arc r 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920958508.0U CN210372009U (en) | 2019-06-24 | 2019-06-24 | V-shaped combined sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920958508.0U CN210372009U (en) | 2019-06-24 | 2019-06-24 | V-shaped combined sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210372009U true CN210372009U (en) | 2020-04-21 |
Family
ID=70266874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920958508.0U Active CN210372009U (en) | 2019-06-24 | 2019-06-24 | V-shaped combined sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210372009U (en) |
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2019
- 2019-06-24 CN CN201920958508.0U patent/CN210372009U/en active Active
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