CN217380989U - Sealing element of centrifugal pump - Google Patents
Sealing element of centrifugal pump Download PDFInfo
- Publication number
- CN217380989U CN217380989U CN202220907117.8U CN202220907117U CN217380989U CN 217380989 U CN217380989 U CN 217380989U CN 202220907117 U CN202220907117 U CN 202220907117U CN 217380989 U CN217380989 U CN 217380989U
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- ring
- spring
- static
- centrifugal pump
- movable
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Abstract
The utility model relates to the field of centrifugal pumps, in particular to a centrifugal pump sealing element, which comprises a movable ring part and a static ring part, wherein one side of the movable ring part is provided with the static ring part, and the other side is provided with a spring part; the movable ring part comprises a movable ring, the outer side of the movable ring is provided with a corrugated pipe, the outer side of the corrugated pipe is provided with a fastening ring, and the outer side of the fastening ring is provided with a shell; the static ring part comprises a static ring which is arranged in a static ring sleeve; the spring part comprises a spring, and the spring is arranged in the spring seat. The utility model discloses in, adopting tightening up of rotating ring, bellows and the three part of shell, can avoiding getting into the wearing and tearing that the clearance caused the bellows because of impurity, effectually protecting rotating ring and bellows, having the locking forward joint between the minor diameter port of tight loop and shell moreover, can avoid appearing the meshing not hard up and the torn condition of rubber, can satisfy opening frequently and stop normal use under operation and the high moment of torsion condition.
Description
Technical Field
The utility model relates to a centrifugal pump technical field especially relates to a centrifugal pump sealing member.
Background
The centrifugal pump is a pump for conveying a liquid by centrifugal force generated when an impeller rotates. When the centrifugal pump adopts the sealing element to seal, the existing sealing element usually fails due to fracture of the tang, loosening of meshing and tearing of rubber, and the normal use under the conditions of frequent start-stop operation and high torque cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a centrifugal pump sealing element.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a centrifugal pump sealing element comprises a movable ring part and a static ring part, wherein the static ring part is arranged on one side of the movable ring part, and a spring part is arranged on the other side of the movable ring part;
the movable ring part comprises a movable ring, the outer side of the movable ring is provided with a corrugated pipe, the outer side of the corrugated pipe is provided with a fastening ring, and the outer side of the fastening ring is provided with a shell;
the static ring part comprises a static ring which is arranged in a static ring sleeve.
Preferably, the spring portion comprises a spring, the spring being mounted within a spring seat.
Preferably, the fastening ring is a hexagonal fastening ring, the outer edges of the fastening ring are sequentially arranged in a staggered mode through arcs and straight lines, and the straight lines of all the fastening rings are connected end to form a regular hexagon.
Preferably, the shell is a stepped ring, the outer edges of the small-diameter ports of the shell are sequentially arranged in a staggered mode through arcs and straight lines, the straight lines are connected end to end and then form a regular hexagon, and the fastening ring is in sealing embedding with the outer portion of the small-diameter ports of the shell.
Preferably, the housing is in pressing contact with a spring.
The utility model has the advantages that:
the utility model discloses in, adopting tightening up of rotating ring, bellows and the three part of shell, can avoiding getting into the wearing and tearing that the clearance caused the bellows because of impurity, effectually protecting rotating ring and bellows, having the locking forward joint between the minor diameter port of tight loop and shell moreover, can avoid appearing the meshing not hard up and the torn condition of rubber, can satisfy opening frequently and stop normal use under operation and the high moment of torsion condition.
Drawings
Fig. 1 is a schematic structural diagram of a sealing member of a centrifugal pump according to the present invention;
fig. 2 is a schematic structural diagram of a front view of a casing of a centrifugal pump sealing element according to the present invention;
fig. 3 is a schematic side view of a casing of a centrifugal pump sealing member according to the present invention;
fig. 4 is the utility model provides a fastening ring of centrifugal pump sealing member looks sideways at the structural schematic diagram.
In the figure: the device comprises a shell 1, a movable ring 2, a corrugated pipe 3, a fastening ring 4, a spring 5, a spring seat 6, a stationary ring 7 and a stationary ring sleeve 8.
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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-4, a centrifugal pump seal comprises a movable ring part and a stationary ring part, wherein the stationary ring part is arranged on one side of the movable ring part, and a spring part is arranged on the other side of the movable ring part;
the movable ring part comprises a movable ring 2, the outer side of the movable ring 2 is provided with a corrugated pipe 3, the outer side of the corrugated pipe 3 is provided with a fastening ring 4, and the outer side of the fastening ring 4 is provided with a shell 1;
the static ring part comprises a static ring 7, and the static ring 7 is arranged in a static ring sleeve 8.
Wherein, the spring part includes spring 5, and spring 5 installs in spring holder 6, and shell 1 and spring 5 support the pressure contact.
Moreover, the fastening ring 4 is a hexagonal fastening ring, the outer edges of the fastening ring 4 are sequentially staggered by arcs and straight lines, and the straight lines are connected end to form a regular hexagon;
the shell 1 is a stepped ring, the outer edge of the small-diameter port of the shell 1 is sequentially arranged in a staggered mode through arcs and straight lines, the straight lines of all the outer edge are in a regular hexagon shape after being connected end to end, and the fastening ring 4 is embedded with the outer seal of the small-diameter port of the shell 1.
In this embodiment, adopt tightening up of rotating ring 2, bellows 3 and 1 three parts of shell, can avoid getting into the wearing and tearing that the clearance caused bellows 3 because of impurity, effectually protect rotating ring 2 and bellows 3, have the locking forward joint between the minor diameter port of tight loop 4 and shell 1 in addition, can avoid appearing the meshing not hard up and the torn condition of rubber, can satisfy and open and stop normal use under operation and the high moment of torsion condition frequently.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A centrifugal pump sealing element comprises a movable ring part and a static ring part, and is characterized in that the static ring part is arranged on one side of the movable ring part, and a spring part is arranged on the other side of the movable ring part;
the movable ring part comprises a movable ring (2), the outer side of the movable ring (2) is provided with a corrugated pipe (3), the outer side of the corrugated pipe (3) is provided with a fastening ring (4), and the outer side of the fastening ring (4) is provided with a shell (1);
the static ring part comprises a static ring (7), and the static ring (7) is arranged in a static ring sleeve (8).
2. A centrifugal pump seal according to claim 1, characterized in that the spring part comprises a spring (5), the spring (5) being mounted in a spring seat (6).
3. The centrifugal pump sealing member according to claim 1, wherein the fastening ring (4) is a hexagonal fastening ring, the outer edges of the fastening ring (4) are sequentially staggered from arc to straight, and the straight lines are in a regular hexagon after being connected end to end.
4. A centrifugal pump seal according to claim 3, characterized in that the casing (1) is a stepped ring, the outer edges of the small diameter ports of the casing (1) are arranged alternately in turn by arcs and straight lines, and the straight lines are in regular hexagon after being connected end to end, and the fastening ring (4) is in sealing engagement with the outside of the small diameter ports of the casing (1).
5. A centrifugal pump seal according to claim 1, characterized in that the housing (1) is in pressing contact with a spring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220907117.8U CN217380989U (en) | 2022-04-19 | 2022-04-19 | Sealing element of centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220907117.8U CN217380989U (en) | 2022-04-19 | 2022-04-19 | Sealing element of centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217380989U true CN217380989U (en) | 2022-09-06 |
Family
ID=83107006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220907117.8U Active CN217380989U (en) | 2022-04-19 | 2022-04-19 | Sealing element of centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217380989U (en) |
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2022
- 2022-04-19 CN CN202220907117.8U patent/CN217380989U/en active Active
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