CN219932618U - Impact-resistant piston rod sealing ring - Google Patents
Impact-resistant piston rod sealing ring Download PDFInfo
- Publication number
- CN219932618U CN219932618U CN202321573008.8U CN202321573008U CN219932618U CN 219932618 U CN219932618 U CN 219932618U CN 202321573008 U CN202321573008 U CN 202321573008U CN 219932618 U CN219932618 U CN 219932618U
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- CN
- China
- Prior art keywords
- ring
- shell
- sealing
- groove
- piston rod
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 88
- 230000035939 shock Effects 0.000 claims abstract description 5
- 229920001971 elastomer Polymers 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 10
- 210000001503 joint Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 230000002633 protecting effect Effects 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polyoxymethylene Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Sealing Devices (AREA)
Abstract
The utility model relates to the technical field of piston rod sealing, and discloses an impact-resistant piston rod sealing ring, which comprises a sealing ring shell, wherein an outer clamping groove is formed in the left end of the sealing ring shell, an inner clamping groove is formed in the inner ring of the left end of the sealing ring shell, an outer embedding groove is formed in the outer part of the sealing ring shell, and an anti-deformation ring is sleeved in the inner part of the outer embedding groove. This resistant piston rod sealing washer that strikes, screwed ring and linking ring accomplish the equipment, simultaneously when screwed ring rotates for locking the cardboard corresponds the joint in the inside of outer draw-in groove, from this makes this device can be under the effect of screwed ring and anti-deformation ring, makes the screwed ring linkage keep off the ring outside and prevents basic guard action to the sealing washer shell, simultaneously for the sealing washer shell provides compressive resistance, and anti-deformation ring has played the effect that prevents sealing washer shell deformation, has improved the shock resistance of sealing washer shell equally.
Description
Technical Field
The utility model relates to the technical field of piston rod sealing, in particular to an impact-resistant piston rod sealing ring.
Background
The piston rod is a connecting part for supporting the piston to do work, most of the piston rod is applied to a cylinder and air cylinder movement executing part and is a moving part with frequent movement and high technical requirements, and the piston rod is used for connecting the piston and the cross head, transmitting the force acting on the piston and driving the piston to move.
The piston rod sealing ring is a component for sealing the piston rod, and the piston rod usually needs to perform frequent reciprocating impact movement in the application of the cylinder or the oil cylinder, so that the piston rod sealing ring used outside the piston rod sealing ring can also follow the piston rod to be impacted for a long time in the cylinder or the oil cylinder, and then the sealing ring is deformed under the impact, and then the sealing ring is separated from the outside of the piston rod, or the elasticity is lost, the sealing effect is lost, and the leakage of the piston rod in the movement occurs.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an impact-resistant piston rod sealing ring, which solves the problems in the background art.
The utility model provides the following technical scheme: the utility model provides a shock-resistant piston rod sealing washer, includes the sealing washer shell, the outside draw-in groove has been seted up to the inside of sealing washer shell left end, the inner race of sealing washer shell left end has been seted up interior draw-in groove, the outside of sealing washer shell has been seted up outward caulking groove, the deformation-proof ring has been cup jointed to the inside of outer caulking groove, the inner groove has been seted up to the outside on sealing washer shell right side, O type rubber circle has been cup jointed to the inside of inner groove, the inside joint of inner groove has the location snap ring, the inboard fixedly connected with linking ring of location snap ring, the inboard screw thread of linking ring has cup jointed the screwed ring.
Preferably, the outside fixedly connected with outside fender ring in screwed ring left side, outside fender ring's right side fixedly connected with locking cardboard.
Preferably, the cross section of the adapter ring is L-shaped, and the outer sides of the adapter ring are propped against the inner side of the sealing ring shell.
Preferably, the diameter outside the outer baffle ring is equal to the diameter outside the sealing ring shell, and the locking clamping plate is correspondingly sleeved in the outer clamping groove.
Preferably, an arc-shaped groove is formed in the inner ring of the sealing ring shell, the right side of the sealing ring shell is arc-shaped, and the outer side of the O-shaped rubber ring is flush and coplanar with the outer side of the right side of the sealing ring shell.
Preferably, the diameter outside the deformation-preventing ring is smaller than the diameter outside the sealing ring shell, and corners on two sides of the outer embedded groove are arranged in an arc shape.
Compared with the prior art, the utility model has the following beneficial effects:
1. this piston rod sealing washer of nai impact, through the screwed ring that cup joints at the inside screw thread of the inside joint of inside draw-in groove and linking ring, when this device needs to assemble, at first with the inside draw-in groove of sealing washer shell correspond the joint in the outside of locating the snap ring, make linking ring and sealing washer shell accomplish to cup joint, then rotate the screwed ring, make screwed ring and linking ring accomplish the equipment, simultaneously in screwed ring pivoted, make the locking cardboard correspond the joint in the inside of outer draw-in groove, from this make this device can be under the effect of screwed ring and anti-deformation ring, make the outside guard ring of screwed ring linkage prevent basic guard action to the sealing washer shell, simultaneously for the sealing washer shell provides compressive resistance, and anti-deformation ring has played the effect of preventing sealing washer shell deformation, the shock resistance of sealing washer shell has also been improved.
2. This shock-resistant piston rod sealing washer, through the O type rubber circle that cup joints in the inner groovy, elasticity through O type rubber circle self provides elasticity pretension and wearing and tearing compensation for the sealing washer shell, makes the static and dynamic sealed effect of this device better perfect then, and O type rubber circle has also played simultaneously and has been seted up the slot that the inner groovy produced to the sealing washer shell and has been compensatied, has improved the leakproofness that the two lips of sealing washer shell were seted up.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the structure of the present utility model;
FIG. 3 is an exploded view of the structure of the present utility model;
FIG. 4 is a schematic structural view of the deformation preventing ring of the present utility model.
In the figure: 1. a seal ring housing; 2. an arc-shaped groove; 3. an outer clamping groove; 4. an inner clamping groove; 5. an external caulking groove; 6. an inner groove; 7. an anti-deformation ring; 8. an O-shaped rubber ring; 9. positioning a clamping ring; 10. a linking ring; 11. a threaded ring; 12. an outer baffle ring; 13. locking the clamping plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, an impact-resistant piston rod sealing ring comprises a sealing ring shell 1, wherein the sealing ring shell 1 is made of water-resistant polyurethane in the prior art, an outer clamping groove 3 is formed in the left end of the sealing ring shell 1, the outer clamping groove 3 is used as a clamping groove opening of the device, an effect of corresponding sleeving with a locking clamping plate 13 is achieved, an inner clamping groove 4 is formed in the inner ring of the left end of the sealing ring shell 1, the inner clamping groove 4 is used as a clamping notch of the device, a corresponding sleeving positioning clamping ring 9 is achieved, the sealing property of sleeving between the sealing ring shell 1 and the positioning clamping ring 9 is ensured, an outer embedding groove 5 is formed in the outer part of the sealing ring shell 1, the outer embedding groove 5 is used as a sleeving notch of the device, the limiting sleeving-preventing deformation ring 7 is achieved, the deformation preventing ring 7 is sleeved in the outer embedding groove 5, the deformation preventing ring 7 is made of stainless steel, the sealing ring shell 1 is limited and pressed through the deformation preventing ring 7, the sealing ring shell 1 is prevented from deforming under long-term impact, the inner groove 6 is formed in the outer part of the right side of the sealing ring shell 1, the O-shaped rubber ring 8,O type rubber ring 8 is sleeved in the inner groove 6 to serve as a sealing structure of the device, the nitrile rubber is adopted as a material of the sealing structure of the device, the positioning clamping ring 9 is clamped in the inner clamping groove 4, the positioning clamping ring 9 serves as a limiting structure of the device, the effect of limiting the sealing ring shell 1 is achieved through sleeving with the inner clamping groove 4, the extrusion resistance of the sealing ring shell 1 is improved, the connecting ring 10 is fixedly connected to the inner side of the positioning clamping ring 9, the connecting ring 10 serves as a connecting structure of the device, which has the effect of screwing the threaded ring 11 and the adapter ring 10.
Referring to fig. 2-4, the inner side of the connection ring 10 is screwed with a threaded ring 11, the threaded ring 11 is used as a butt joint structure, which facilitates the butt joint of the threaded ring 11 and the connection ring 10, ensures that the outer baffle ring 12 is propped against the left end of the seal ring shell 1, forms supporting and protecting effects on the seal ring shell 1, improves the extrusion resistance of the device, the outer baffle ring 12 is fixedly connected with the left side of the threaded ring 11, the outer baffle ring 12 is used as a protecting structure of the device, and is made of polyoxymethylene, the right side of the outer baffle ring 12 is fixedly connected with a locking clamping plate 13, the locking clamping plate 13 has the effect of limiting and clamping the outer clamping groove 3, so that the left end of the seal ring shell 1 is simultaneously clamped transversely and longitudinally, the anti-impact and anti-extrusion capacity of the device is enhanced, the cross section of the adapter ring 10 is L-shaped, the outer side of the adapter ring 10 is propped against the inner side of the sealing ring shell 1, the diameter of the outer edge of the outer retaining ring 12 is equal to that of the outer edge of the sealing ring shell 1, the locking clamping plate 13 is correspondingly sleeved in the outer clamping groove 3, the inner part of the inner ring of the sealing ring shell 1 is provided with the arc-shaped groove 2, the right side of the sealing ring shell 1 is arc-shaped, the outer side of the O-shaped rubber ring 8 is flush with the outer edge of the right side of the sealing ring shell 1, the diameter of the outer edge of the anti-deformation ring 7 is smaller than that of the outer edge of the sealing ring shell 1, and the corners of the two sides of the outer embedding groove 5 are arc-shaped.
Working principle: when the device is used, when the device needs to be assembled, the anti-deformation ring 7 is sleeved in the outer caulking groove 5, then the inner clamping groove 4 of the inner ring of the sealing ring shell 1 is correspondingly sleeved outside the positioning clamping ring 9, so that the assembly of the connecting ring 10 and the sealing ring shell 1 is completed, then the threaded ring 11 is rotated to be sleeved on the inner ring of the connecting ring 10, the threaded ring 11 is enabled to be assembled with the sealing ring shell 1 and the connecting ring 10, and meanwhile, the locking clamping plate 13 is correspondingly clamped in the outer clamping groove 3 when the threaded ring 11 is rotated to be sleeved, so that the right side of the sealing ring shell 1 is simultaneously transversely clamped with the sealing ring shell 1 through the locking clamping plate 13 and the positioning clamping ring 9, then the O-shaped rubber ring 8 is correspondingly sleeved in the inner groove 6, when the device is in actual use outside a piston rod, the sealing ring shell 1 is supported and limited through the threaded ring 11, and meanwhile, the anti-deformation limiting is carried out on the sealing ring shell 1 through the anti-deformation ring 7, so that the sealing ring shell 1 is impacted, and the anti-deformation ring 7 is prevented from being deformed when the sealing ring 1 is impacted.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Meanwhile, in the drawings of the present utility model, the filling pattern is only for distinguishing the layers, and is not limited in any way.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a shock-resistant piston rod sealing washer, includes sealing washer shell (1), its characterized in that: the inside of sealing washer shell (1) left end has been seted up outer draw-in groove (3), interior draw-in groove (4) have been seted up to the inner circle of sealing washer shell (1) left end, outer caulking groove (5) have been seted up to the outside of sealing washer shell (1), deformation-preventing ring (7) have been cup jointed to the inside of outer caulking groove (5), inner groove (6) have been seted up to the outside on sealing washer shell (1) right side, O type rubber circle (8) have been cup jointed to the inside of inner groove (6), location snap ring (9) have been cup jointed to the inside joint of interior draw-in groove (4), the inboard fixedly connected with linking ring (10) of location snap ring (9), threaded ring (11) have been cup jointed to the inboard screw thread of linking ring (10).
2. An impact resistant piston rod seal as defined in claim 1 wherein: the outer retaining ring (12) is fixedly connected to the left side of the threaded ring (11), and the locking clamping plate (13) is fixedly connected to the right side of the outer retaining ring (12).
3. An impact resistant piston rod seal as defined in claim 1 wherein: the cross section of the connecting ring (10) is L-shaped, and the outer sides of the connecting ring (10) are propped against the inner side of the sealing ring shell (1).
4. An impact resistant piston rod seal as defined in claim 2 wherein: the diameter of the outer edge of the outer baffle ring (12) is equal to that of the outer edge of the sealing ring shell (1), and the locking clamping plate (13) is correspondingly sleeved in the outer clamping groove (3).
5. An impact resistant piston rod seal as defined in claim 1 wherein: the inner part of the inner ring of the sealing ring shell (1) is provided with an arc-shaped groove (2), the right side of the sealing ring shell (1) is in arc-shaped arrangement, and the outer side of the O-shaped rubber ring (8) is flush and coplanar with the outer side of the right side of the sealing ring shell (1).
6. An impact resistant piston rod seal as defined in claim 1 wherein: the diameter of the outer edge of the deformation-preventing ring (7) is smaller than that of the outer edge of the sealing ring shell (1), and the corners of the two sides of the outer embedded groove (5) are arranged in an arc shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321573008.8U CN219932618U (en) | 2023-06-20 | 2023-06-20 | Impact-resistant piston rod sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321573008.8U CN219932618U (en) | 2023-06-20 | 2023-06-20 | Impact-resistant piston rod sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219932618U true CN219932618U (en) | 2023-10-31 |
Family
ID=88501445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321573008.8U Active CN219932618U (en) | 2023-06-20 | 2023-06-20 | Impact-resistant piston rod sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219932618U (en) |
-
2023
- 2023-06-20 CN CN202321573008.8U patent/CN219932618U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |