CN210978528U - Sealing ring - Google Patents
Sealing ring Download PDFInfo
- Publication number
- CN210978528U CN210978528U CN201921476038.0U CN201921476038U CN210978528U CN 210978528 U CN210978528 U CN 210978528U CN 201921476038 U CN201921476038 U CN 201921476038U CN 210978528 U CN210978528 U CN 210978528U
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- connecting portion
- sealing ring
- sealing washer
- connection portion
- protective sleeve
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Abstract
The utility model discloses a sealing washer belongs to the mechanical seal field. The sealing ring includes: a body and a protective sleeve; the body is an open-loop design, the body can freely deform under the action of external force, a first connecting portion is arranged at a first end of the body, a second connecting portion is arranged at a second end of the body, the outer diameter of the first connecting portion and the outer diameter of the second connecting portion are smaller than the outer diameter of the body, the first connecting portion and the second connecting portion can be fixedly connected, and the protective sleeve is a cylindrical sleeve and used for wrapping the first connecting portion and the second connecting portion. The utility model provides a sealing washer, when changing the sealing washer, can be directly through fixed or unpack apart the fixed connection department of first connecting portion and second connecting portion and dismantle the sealing washer cover on axle type part or from axle type part get off, therefore the change process of sealing washer becomes simple, has reduced technical staff's intensity of labour.
Description
Technical Field
The utility model relates to a mechanical seal field, in particular to sealing washer.
Background
The sealing ring is widely applied to various mechanical equipment to realize sealing of the mechanical equipment. Specifically, the sealing ring is usually sleeved on the shaft part of the mechanical device to prevent the leakage of the liquid such as the lubricating oil in the mechanical device along the shaft part, and further to seal the mechanical device. For example, for the pumping unit, the pumping unit generally includes a reduction gearbox and a crank, the crank is sleeved on an end portion of an output shaft of the reduction gearbox, and a seal ring is sleeved on the output shaft and located between a reduction gearbox body and the crank to prevent lubricating oil in the reduction gearbox from leaking out along the output shaft, so that sealing of the pumping unit is achieved.
However, when the seal ring is damaged and needs to be replaced, the replacement work is abnormally troublesome. Generally, a part mounted at an end of a shaft part needs to be detached, then a damaged sealing ring needs to be detached from the shaft part, then a new sealing ring is sleeved on the shaft part, and finally the detached part is fixed at the end of the shaft part. Taking the replacement of the sealing ring of the oil pumping unit as an example: firstly, the crank needs to be detached from the output shaft, then the damaged sealing ring is detached from the output shaft, then a new sealing ring is sleeved on the output shaft, and finally the crank is fixed at the end part of the output shaft. It can be seen that the replacement of the sealing ring can be realized only by disassembling the crank, so that the replacement process of the sealing ring is extremely complicated, and the labor intensity of technical personnel is increased.
SUMMERY OF THE UTILITY MODEL
The utility model provides a sealing washer can solve the unusual loaded down with trivial details problem of change process of sealing washer, technical scheme is as follows:
a seal ring, comprising: a body and a protective sleeve;
the body is an open-loop design, the body can freely deform under the action of external force, a first connecting portion is arranged at a first end of the body, a second connecting portion is arranged at a second end of the body, the outer diameter of the first connecting portion and the outer diameter of the second connecting portion are smaller than the outer diameter of the body, the first connecting portion and the second connecting portion can be fixedly connected, and the protective sleeve is a cylindrical sleeve and used for wrapping the first connecting portion and the second connecting portion.
Optionally, the sum of the radius of the first connecting portion and the thickness of the protective sleeve, and the sum of the radius of the second connecting portion and the thickness of the protective sleeve are equal to the radius of the body.
Optionally, the length of the protective sheath is equal to the sum of the lengths of the first and second connection portions.
Optionally, an end face structure of the first connecting portion and an end face structure of the second connecting portion match.
Optionally, an end surface of the first connection portion is a first inclined surface, and an end surface of the second connection portion is a second inclined surface matched with the first inclined surface.
Optionally, a first saw-toothed structure is arranged on the first inclined surface, a second saw-toothed structure is arranged on the second inclined surface, and the first saw-toothed structure is matched with the second saw-toothed structure.
Optionally, the first saw-tooth like structure comprises one or more barbs and the second saw-tooth like structure comprises one or more inverted troughs.
Optionally, the first connection portion and the second connection portion are fixedly connected by an adhesive.
Optionally, the protective sheath is a heat shrink tube.
Optionally, the material of the body is rubber.
The utility model provides a beneficial effect that technical scheme brought can include at least:
the embodiment of the utility model provides an in, because the body can be under the exogenic action free deformation and for the open-loop type design, consequently, open the both ends of body and can directly overlap on axle type part with it. In addition, because first connecting portion and second connecting portion can fixed connection, because the protective sheath is used for wrapping up first connecting portion and second connecting portion again, consequently, treat that the body cover is after on axle class part, can get up the both ends fixed connection of body through the fixed connection department of fixed first connecting portion and second connecting portion, then wrap up first connecting portion and second connecting portion through the protective sheath. So far, the sealing ring is sleeved on the shaft part. After long-time use, the sealing washer may be impaired, when the sealing washer is impaired back, when needing to dismantle impaired sealing washer from axle type part, at this moment, can dismantle the protective sheath from first connecting portion and second connecting portion at first, then unpack the fixed connection department of first connecting portion and second connecting portion apart, later, just can dismantle this sealing washer from axle type part.
In summary, after the sealing ring is damaged, the sealing ring can be directly detached from the shaft part by detaching the fixed connection part of the first connection part and the second connection part. In a similar way, when the sealing ring is replaced, a new sealing ring can be directly sleeved on the shaft part through the fixed connection part for fixing the first connecting part and the second connecting part. Compare in at first need to dismantle the part of axle type part tip get off, then dismantle impaired sealing washer through the tip of axle type part get off, at last with the mode of the change of new sealing washer cover completion sealing washer on axle type part again, the embodiment of the utility model provides a sealing washer change process becomes simple, has reduced technical staff's intensity of labour.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a partial cross-sectional view of a seal ring according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a sealing ring according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another sealing ring according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another sealing ring according to an embodiment of the present invention.
Reference numerals:
1: a body; 2: a protective sleeve;
11: a first connection portion; 12: a second connecting portion;
111: a first inclined surface; 121: a second inclined surface;
1111: a first saw-toothed structure; 1211: a second saw-toothed configuration.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a sealing ring according to an embodiment of the present invention. Referring to fig. 1, the sealing ring may include: a body 1 and a protective sheath 2. The body 1 is the open-loop design, and body 1 can be free deformation under the exogenic action, and the first end of body 1 is provided with first connecting portion 11, and the second end of body 1 is provided with second connecting portion 12, and the external diameter of first connecting portion 11 and the external diameter of second connecting portion 12 all are less than the external diameter of body 1, and first connecting portion 11 and second connecting portion 12 can fixed connection, and protective sheath 2 is the cylinder cover, and is used for wrapping up first connecting portion 11 and second connecting portion 12.
The embodiment of the utility model provides an in, because body 1 is the open-loop design, and can freely warp under the exogenic action, consequently, open the both ends of body 1 and can directly overlap on axle type part with it. In addition, because first connecting portion 11 and second connecting portion 12 can fixed connection, because protective sheath 2 is used for wrapping up first connecting portion 11 and second connecting portion 12 again, consequently, treat that body 1 cover is after on axle type part, can get up body 1's both ends fixed connection through the fixed connection department of fixed first connecting portion 11 and second connecting portion 12, then wrap up first connecting portion 11 and second connecting portion 12 through protective sheath 2. So far, the sealing ring is sleeved on the shaft part.
After long-time use, the sealing ring may be damaged, when the sealing ring is damaged, and the damaged sealing ring needs to be detached from the shaft part, at this time, the protective sleeve 2 may be detached from the first connecting portion 11 and the second connecting portion 12, and then the fixed connection between the first connecting portion 11 and the second connecting portion 12 is detached, and then the sealing ring may be detached from the shaft part.
In summary, when the sealing ring is damaged, the sealing ring can be directly detached from the shaft component by detaching the fixed connection between the first connecting portion 11 and the second connecting portion 12. In the same way, when the sealing ring is replaced, a new sealing ring can be directly sleeved on the shaft part through the fixed connection part of the first connecting part 11 and the second connecting part 12. Compare in at first need to dismantle the part of axle type part tip get off, then dismantle impaired sealing washer through the tip of axle type part get off, at last with the mode of the change of new sealing washer cover completion sealing washer on axle type part again, the embodiment of the utility model provides a sealing washer change process becomes simple, has reduced technical staff's intensity of labour.
It should be noted that, in some embodiments, the first connection portion 11 and the second connection portion 12 may be fixedly connected by an adhesive, and certainly, the first connection portion 11 and the second connection portion 12 may also be fixedly connected by other manners, and it only needs to satisfy that the fixed connection between the first connection portion 11 and the second connection portion 12 can be realized, and the embodiment of the present invention does not specifically limit this. In addition, it should be noted that, in some embodiments, the protective sheath 2 may be a heat shrinkable tube. Of course, the protective sheath 2 may also be other devices, such as a rubber sheath, and the embodiment of the present invention does not specifically limit this.
In addition, it should be noted that the material of the body 1 may be rubber, and of course, the body 1 may also be other materials as long as the body 1 can be deformed by extrusion under the external force, and the embodiment of the present invention does not specifically limit this.
It should be noted that, because the protective sheath 2 needs to wrap the first connecting portion 11 and the second connecting portion 12, in actual use, both the outer diameter of the first connecting portion 11 and the outer diameter of the second connecting portion 12 may be smaller than the outer diameter of the body 1, and the sum of the radius of the first connecting portion 11 and the thickness of the protective sheath 2, and the sum of the radius of the second connecting portion 12 and the thickness of the protective sheath 2 are equal to the radius of the body 1. Therefore, after the protective sleeve 2 wraps the first connecting part 11 and the second connecting part 12, the radius of the wrapped part is equal to that of the body 1, in other words, the sealing ring is a sealing ring with uniform diameters of all parts, and the sealing performance of the sealing ring is prevented from being influenced by non-uniform diameters.
However, in some embodiments, a situation may occur that the length of the protective sleeve 2 is not equal to the sum of the lengths of the first connecting portion 11 and the second connecting portion 12, and obviously, when the length of the protective sleeve 2 is not equal to the sum of the lengths of the first connecting portion 11 and the second connecting portion 12, a situation that the diameters of the sealing ring are not uniform still occurs, and the sealing performance of the sealing ring is affected, and based on this, in some embodiments, the length of the protective sleeve 2 is equal to the sum of the lengths of the first connecting portion 11 and the second connecting portion 12. Therefore, the situation that the sealing performance of the sealing ring is influenced due to the uneven diameter of each part of the sealing ring can be avoided.
In some embodiments, the end face structure of the first connection portion 11 and the end face structure of the second connection portion 12 match. In other words, the end surface of the first connection portion 11 and the end surface of the second connection portion 12 are matched together to be a uniform cylinder having a diameter equal to the outer diameter of the first connection portion 11 and the outer diameter of the second connection portion 12, respectively.
In some embodiments, referring to fig. 2, the end surface of the first connection portion 11 is a first inclined surface 111, and the end surface of the second connection portion 12 is a second inclined surface 121 matched with the first inclined surface 111. Of course, the end surface of the first connection portion 11 and the end surface of the second connection portion 12 may be in other shapes, and the embodiment of the present invention does not specifically limit this.
When the end surface of the first connection portion 11 is the first inclined surface 111 and the end surface of the second connection portion 12 is the second inclined surface 121 matched with the first inclined surface 111, in some embodiments, referring to fig. 3, the first inclined surface 111 may be provided with a first saw-toothed structure 1111, the second inclined surface 121 may be provided with a second saw-toothed structure 1211, and the first saw-toothed structure 1111 and the second saw-toothed structure 1211 are matched. It will be appreciated that the saw-toothed structure is more advantageous for fixedly connecting the first connecting portion 11 with the second connecting portion 12.
In some embodiments, the first serrated structure 1111 may include one or more barbs and the second serrated structure 1211 may include one or more grooves. Thus, the barbs can be inserted into the corresponding grooves, and the first connecting portion 11 and the second connecting portion 12 can be better fixedly connected.
Wherein, the quantity of barb can be 1, also can be other quantity, the embodiment of the utility model provides a do not do specific restriction to the quantity of barb. Correspondingly, the quantity of undercut also can be 1, or other quantity, the embodiment of the utility model provides a do not do specific restriction to the quantity of undercut yet. However, it should be understood that the number of barbs should be equal to the number of inverted grooves, that is, if the number of barbs is 1, then the number of inverted grooves should also be 1. The embodiment of the utility model provides a no longer describe the quantity of barb and undercut.
The embodiment of the utility model provides an in, because body 1 can be under the exogenic action free deformation and for the open-loop type design, consequently, open the both ends of body 1 and can directly overlap on axle type part with it. In addition, because first connecting portion 11 and second connecting portion 12 can fixed connection, because protective sheath 2 is used for wrapping up first connecting portion 11 and second connecting portion 12 again, consequently, treat that body 1 cover is after on axle type part, can get up body 1's both ends fixed connection through the fixed connection department of fixed first connecting portion 11 and second connecting portion 12, then wrap up first connecting portion 11 and second connecting portion 12 through protective sheath 2. So far, the sealing ring is sleeved on the shaft part.
After long-time use, the sealing ring may be damaged, when the sealing ring is damaged, and the damaged sealing ring needs to be detached from the shaft part, at this time, the protective sleeve 2 may be detached from the first connecting portion 11 and the second connecting portion 12, and then the fixed connection between the first connecting portion 11 and the second connecting portion 12 is detached, and then the sealing ring may be detached from the shaft part.
In summary, when the sealing ring is damaged, the sealing ring can be directly detached from the shaft component by detaching the fixed connection between the first connecting portion 11 and the second connecting portion 12. In the same way, when the sealing ring is replaced, a new sealing ring can be directly sleeved on the shaft part through the fixed connection part of the first connecting part 11 and the second connecting part 12. Compare in at first need to dismantle the part of axle type part tip get off, then dismantle impaired sealing washer through the tip of axle type part get off, at last with the mode of the change of new sealing washer cover completion sealing washer on axle type part again, the embodiment of the utility model provides a sealing washer change process becomes simple, has reduced technical staff's intensity of labour.
The above description is only an optional embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A seal ring, comprising: a body (1) and a protective sleeve (2);
the novel multifunctional umbrella is characterized in that the body (1) is of an open-loop design, the body (1) can deform freely under the action of external force, a first connecting portion (11) is arranged at the first end of the body (1), a second connecting portion (12) is arranged at the second end of the body (1), the outer diameter of the first connecting portion (11) and the outer diameter of the second connecting portion (12) are smaller than the outer diameter of the body (1), the first connecting portion (11) and the second connecting portion (12) can be fixedly connected, and the protective sleeve (2) is a cylindrical sleeve and used for wrapping the first connecting portion (11) and the second connecting portion (12).
2. A ring seal according to claim 1, characterized in that the sum of the radius of the first connection (11) and the thickness of the protective sleeve (2), and the sum of the radius of the second connection (12) and the thickness of the protective sleeve (2) are equal to the radius of the body (1).
3. A sealing ring according to claim 2, characterized in that the length of the protective sleeve (2) is equal to the sum of the lengths of the first connection portion (11) and the second connection portion (12).
4. A seal ring according to any one of claims 1-3, characterized in that the end surface configuration of the first connection portion (11) and the end surface configuration of the second connection portion (12) match.
5. A seal ring according to claim 4, characterized in that the end surface of the first connection portion (11) is a first inclined surface (111) and the end surface of the second connection portion (12) is a second inclined surface (121) that matches the first inclined surface (111).
6. A sealing ring according to claim 5, characterized in that a first serration (1111) is provided on the first inclined surface (111) and a second serration (1211) is provided on the second inclined surface (121), the first serration (1111) and the second serration (1211) matching.
7. The seal ring according to claim 6, characterized in that the first serration (1111) comprises one or more barbs and the second serration (1211) comprises one or more grooves.
8. A seal ring according to claim 1, characterized in that the first connection portion (11) and the second connection portion (12) are fixedly connected by means of an adhesive.
9. A sealing ring according to claim 1, characterized in that the protective casing (2) is a heat shrink tube.
10. A seal ring according to claim 1, characterized in that the body (1) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921476038.0U CN210978528U (en) | 2019-09-05 | 2019-09-05 | Sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921476038.0U CN210978528U (en) | 2019-09-05 | 2019-09-05 | Sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210978528U true CN210978528U (en) | 2020-07-10 |
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ID=71457437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921476038.0U Active CN210978528U (en) | 2019-09-05 | 2019-09-05 | Sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210978528U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392952A (en) * | 2020-10-29 | 2021-02-23 | 西安近代化学研究所 | Sealing connection device capable of splicing break points of sealing rings and freely adjusting diameters of sealing rings |
-
2019
- 2019-09-05 CN CN201921476038.0U patent/CN210978528U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392952A (en) * | 2020-10-29 | 2021-02-23 | 西安近代化学研究所 | Sealing connection device capable of splicing break points of sealing rings and freely adjusting diameters of sealing rings |
| CN112392952B (en) * | 2020-10-29 | 2022-10-25 | 西安近代化学研究所 | Sealing connection device |
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