CN215521958U - Sealing ring and stuffing box provided with same - Google Patents
Sealing ring and stuffing box provided with same Download PDFInfo
- Publication number
- CN215521958U CN215521958U CN202121364227.6U CN202121364227U CN215521958U CN 215521958 U CN215521958 U CN 215521958U CN 202121364227 U CN202121364227 U CN 202121364227U CN 215521958 U CN215521958 U CN 215521958U
- Authority
- CN
- China
- Prior art keywords
- main body
- body part
- stuffing box
- sealing
- sealing ring
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 61
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Sealing Devices (AREA)
Abstract
The utility model discloses a sealing ring and a stuffing box provided with the sealing ring, wherein the sealing ring comprises a main body part, one surface of the main body part is a plane, the other surface of the main body part is provided with a force distribution surface, and an included angle between the force distribution surface and the main body part is a; wherein, the value range of a is as follows: 12 to 15 degrees; when the sealing ring is stressed, a component force F is generated under the action of an axial force F, so that the main body part further contracts radially under the action of the component force F; therefore, the sealing performance between the plunger and the sealing ring is improved, and meanwhile, the main body part is adopted from head to tail, and the sealing performance inside the stuffing box is further improved while the moving resistance of the plunger is reduced by using the original sealing part in the middle.
Description
Technical Field
The utility model relates to the technical field of sealing elements, in particular to a sealing ring and a stuffing box provided with the sealing ring.
Background
As shown in figure 1, the structure of the existing sealing ring installed in the stuffing box can be known from figure 1 that under the action of an axial force F, the sealing ring expands radially and also contracts radially, but in actual use, the outer diameter of the sealing ring bears static sealing, and the inner diameter bears dynamic sealing due to continuous reciprocating motion of a plunger, so that the sealing ring is easy to damage, and the sealing ring fails.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sealing ring and a stuffing box provided with the sealing ring, so as to solve the problems in the background technology.
In order to achieve the above object, the present invention provides a technical solution, which is as follows: a sealing ring comprises a main body part, wherein one surface of the main body part is a plane, and a force distribution surface is arranged on the other surface of the main body part; when the force-dividing surface is stressed, the main body part is guided to be tightened along the radial direction of the main body part.
As a preferred technical scheme of the utility model: an included angle between the force dividing surface and the main body part is a; wherein the value range of a is 12-15 degrees.
As a preferred technical scheme of the utility model: the middle part of main part is equipped with the hole, just the outside of hole is equipped with atress portion, wherein, the minute force face sets up on the atress portion.
The utility model also provides a technical scheme, namely, the stuffing box is characterized in that: comprises a plunger, and the sealing ring is arranged on the plunger.
Further, the number of the main body parts is at least two, and the axial force F in the stuffing box is received through the force dividing surfaces on the two main body parts.
Further, a seal is provided on the plunger and is clamped to the plunger by the two body portions.
Further, the number of the sealing members is equal to the number of the body portions.
Further, the number of the sealing elements and the number of the main body parts are two, wherein the sealing elements are attached to the plane of the main body parts.
By adopting the technical scheme, the utility model has the beneficial effects that: when the sealing ring is stressed, a component force F is generated under the action of an axial force F, so that the main body part is further radially contracted under the action of the component force F, and the problem that the sealing performance is reduced due to the fact that the existing sealing ring lacks a component surface is solved; it is ensured that the shaft to which the body part is attached has a better sealing capacity, in particular at the connection with the body part.
Drawings
FIG. 1 is a schematic view of the internal structure of a conventional stuffing box;
FIG. 2 is a schematic view of the internal structure of the stuffing box of the present invention;
fig. 3 is a schematic structural view of the main body of the present invention.
In the figure: 1. a force receiving portion; 2. an inner bore; 3. force dividing surface; 4. a body portion; 5. a seal member; 6. and a plunger.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "upper surface", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 2-3, an embodiment of the present invention is shown: a seal ring comprises a main body part 4, wherein one surface of the main body part 4 is a plane, and a force distribution surface 3 is arranged on the other surface of the main body part 4; when the force-dividing surface 3 is subjected to a force, the main body part 4 is guided to be tightened in the radial direction thereof. Because the setting of minute force face 3 can guide main part 4 radial contraction, so when making main part 4 install on the axle, can closely laminate with the axle, guarantee the sealing performance between axle and the main part 4.
The included angle between the force-dividing surface 3 and the main body part 4 is a; wherein the value range of a is 12-15 degrees, and in a product test, the component force f tends to disappear when the included angle a is smaller than 12 degrees or larger than 15 degrees, and the component force f is gradually strengthened in the range; therefore, the included angle a ranges from 12 degrees to 15 degrees.
Due to the adoption of the value range, a component force F is generated under the action of the axial force F, and the component force F is used for guiding the main body part 4 to contract along the radial direction of the main body part 4, so that the sealing performance of the shaft provided with the main body part 4 is improved.
Further, the middle part of main part 4 is equipped with hole 2, just the outside of hole 2 is equipped with atress portion 1, wherein, minute power face 3 sets up on the atress portion 1, the setting of hole 2 is convenient for install main part 4 epaxially, and the setting of atress portion 1 is convenient for divide the processing of power face 3.
The utility model also discloses a mode of the sealing ring in practical application, namely a stuffing box, which comprises a plunger 6, wherein the plunger 6 is provided with the sealing ring, and through the mode, the interior of the stuffing box has enough sealing capacity no matter the outer wall of the main body part 4 or the contact surface between the main body part 4 and the plunger 6, and particularly, when the plunger 6 moves, the main body part 4 improves the sealing performance of dynamic sealing under the action of a component force f.
In order to simultaneously bear the axial forces F from two directions in the stuffing box, the number of the main body parts 4 is at least two, and the axial forces F in the stuffing box are borne by the force-dividing surfaces 3 on the two main body parts 4, so that the main body parts 4 bear the axial forces F in the two directions, and simultaneously the axial forces F in the two directions are fully utilized to enable the main body parts 4 to radially contract and cling to the surface of the plunger 6, so that the sealing performance in the stuffing box is better, and the problems caused by the improvement of the sealing performance by the addition of the sealing piece 5 in the existing scheme are solved, for example, if the number of the sealing pieces 5 is increased, the friction force between the plunger 6 and the sealing piece 5 is correspondingly increased, and the plunger 6 is subjected to larger resistance in operation.
Because the plunger 6 is further provided with the sealing piece 5, the sealing piece 5 is clamped on the plunger 6 through the two body parts 4, the sealing piece 5 is clamped through the two body parts 4, and the sealing piece 5 is positioned between the two body parts 4, the using number of the body parts 4 can be reduced, the problem that the component force f is too concentrated on the outer surface of the plunger 6, the movement of the plunger 6 is blocked, and the cost caused by using the body part 4 is reduced.
In addition, the main body part 4 is positioned at two ends, the sealing piece 5 is positioned in the inner part, and the sealing performance of the main body part 4 and the sealing piece 5 are fully utilized, so that the labyrinth performance in the stuffing box is further improved.
Further, the number of the sealing members 5 is equal to that of the main body part 4, so that the sealing performance of the two ends of the plunger 6 is ensured to be consistent, and the sealing performance of the stuffing box is further improved.
Furthermore, the number of the sealing pieces 5 and the number of the main body parts 4 are two, wherein the sealing pieces 5 are attached to the plane of the main body parts 4, and by adopting the scheme, the plunger 6 can be reliably supported while the number of the sealing pieces 5 and the main body parts 4 is reduced, so that the plunger 6 can smoothly and reliably slide in the stuffing box.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, and the scope of protection is still within the scope of the utility model.
Claims (8)
1. A seal ring, characterized in that: the device comprises a main body part (4), wherein one surface of the main body part (4) is a plane, and a force distribution surface (3) is arranged on the other surface of the main body part (4);
when the force distribution surface (3) is stressed, the main body part (4) is guided to be tightened along the radial direction of the main body part.
2. A seal ring according to claim 1, wherein: the included angle between the force dividing surface (3) and the main body part (4) is a; wherein the value range of a is 12-15 degrees.
3. A seal ring according to claim 1 or 2, wherein: the middle part of main part (4) is equipped with hole (2), just the outside of hole (2) is equipped with atress portion (1), wherein, minute force face (3) set up on atress portion (1).
4. A stuffing box, characterized in that: comprising a plunger (6) and a sealing ring according to any one of claims 1-3 mounted on said plunger (6).
5. A stuffing box according to claim 4, wherein: the number of the main body parts (4) is at least two, and the axial force F in the stuffing box is received through the force dividing surfaces (3) on the two main body parts (4).
6. A stuffing box according to claim 5, wherein: the plunger (6) is also provided with a sealing element (5), and the sealing element (5) is clamped on the plunger (6) through the two main body parts (4).
7. A stuffing box according to claim 6, wherein: the number of seals (5) is equal to the number of body parts (4).
8. A stuffing box according to claim 5, wherein: the number of the sealing elements (5) and the number of the main body parts (4) are two, wherein the sealing elements (5) are attached to the plane of the main body parts (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121364227.6U CN215521958U (en) | 2021-06-19 | 2021-06-19 | Sealing ring and stuffing box provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121364227.6U CN215521958U (en) | 2021-06-19 | 2021-06-19 | Sealing ring and stuffing box provided with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215521958U true CN215521958U (en) | 2022-01-14 |
Family
ID=79809127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121364227.6U Expired - Fee Related CN215521958U (en) | 2021-06-19 | 2021-06-19 | Sealing ring and stuffing box provided with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215521958U (en) |
-
2021
- 2021-06-19 CN CN202121364227.6U patent/CN215521958U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215521958U (en) | Sealing ring and stuffing box provided with same | |
| CN202946708U (en) | Self-compensating electric ball valve based on bellows structure | |
| CN105318019A (en) | Dual-broken-shaft type high-performance butterfly valve | |
| CN205504051U (en) | Fixed ball valve moves and carries two valve holder structure of canned type | |
| CN212716806U (en) | Oil pan assembly and engine | |
| CN201241889Y (en) | Low-abrasion air cylinder with novel piston | |
| CN209925607U (en) | Dynamic sealing ring for rotary sealing | |
| CN207526890U (en) | A kind of high-precision bearing mechanism | |
| CN112728110A (en) | Magnetic liquid sealing device | |
| CN221033420U (en) | Novel high leakproofness hydraulic cylinder | |
| CN211989110U (en) | Sealing device and coal mill | |
| CN210566252U (en) | Mechanical shaft seal for pump | |
| CN212429886U (en) | Two-way seal structure of relief valve | |
| CN216044724U (en) | Improved sealing hydraulic oil cylinder | |
| CN210397701U (en) | High-pressure curved surface annular sealing structure | |
| CN218235673U (en) | Sealing piston rod for hydraulic cylinder | |
| CN210661047U (en) | Joint bearing with self-sealing function | |
| CN215861743U (en) | High-deflection framework oil seal | |
| CN216841941U (en) | Sealing structure of turbojet engine casing and guider sleeve | |
| CN212360781U (en) | Mechanical sealing element convenient to change sealing ring | |
| CN217898780U (en) | Rubber bellows mechanical seal spare | |
| CN215293789U (en) | Electromagnetic valve with wider temperature application range | |
| CN216768351U (en) | Split type high pressure positive blower carbon ring mechanical seal | |
| CN210106592U (en) | High-elasticity lip-shaped sealing ring | |
| CN219327785U (en) | Thin mechanical oil seal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220114 |