CN217539090U - Fixing structure for front shaft seal rotating ring and telescopic ring - Google Patents
Fixing structure for front shaft seal rotating ring and telescopic ring Download PDFInfo
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- CN217539090U CN217539090U CN202220979869.5U CN202220979869U CN217539090U CN 217539090 U CN217539090 U CN 217539090U CN 202220979869 U CN202220979869 U CN 202220979869U CN 217539090 U CN217539090 U CN 217539090U
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- ring
- rotating ring
- telescopic
- connecting part
- hole
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Abstract
The utility model discloses a fixing structure for a front shaft seal rotating ring and a telescopic ring, which comprises a telescopic ring and a rotating ring; the telescopic ring comprises a fixed ring connecting part, a rotating ring connecting part and a telescopic part; a stepped through hole is formed in the fixing ring connecting portion, a plurality of limiting grooves are formed in one end of the stepped through hole, the limiting grooves are uniformly distributed along the edge of one end of the fixing ring connecting portion, and a first annular groove and a first sealing ring are formed in the inner wall of the stepped through hole; the rotating ring connecting part is provided with a through hole, the inner wall of the through hole is provided with a second annular groove and a second sealing ring, the end part of the rotating ring connecting part is provided with an annular connecting groove, and the inner side of the annular connecting groove is provided with a plurality of limiting clamping blocks; the both ends of flexible portion are connected solid fixed ring connecting portion and rotating ring connecting portion respectively, are equipped with the spring in the inside cavity of flexible section. The utility model discloses an annular spread groove that the pars contractilis passes through to set up and the combined action of spacing fixture block, has improved the joint strength of expansion ring and rotating ring greatly.
Description
Technical Field
The utility model relates to a pump body bearing seal field especially involves a fixed knot who is used for preceding bearing seal rotating ring and expansion ring constructs.
Background
The existing pump body adopts a shaft seal fixed ring and a shaft seal rotating ring to realize sealing. Because the shaft seal fixed ring and the shaft seal rotating ring need extremely high sealing performance, the telescopic ring with the spring is arranged between the rotating ring and the impeller, after the impeller is fixed by the locking screw, the telescopic ring with the spring is compressed by elasticity to form tight sealing of the fixed ring and the rotating ring, once the impeller runs, the telescopic ring between the fixed ring and the rotating ring can bear great torque force due to direct high-speed friction of the fixed ring and the rotating ring in relative rotation, and the condition of breakage is easy to occur.
Therefore, there is a need for an improved structure that overcomes the above-mentioned deficiencies.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fixed knot constructs for front axle seal rotating ring and expansion ring offers the annular spread groove of being connected with the rotating ring through the tip at the rotating ring connecting portion to be equipped with in annular spread groove inboard with the spacing fixed a plurality of spacing fixture blocks of rotating ring, under the combined action of annular spread groove and spacing fixture block, improved the joint strength of expansion ring and rotating ring greatly.
The above technical purpose of the utility model is realized through following technical scheme:
a fixing structure for a front shaft seal rotating ring and a telescopic ring comprises the telescopic ring and the rotating ring fixedly connected with the telescopic ring;
the telescopic ring comprises a fixed ring connecting part, a rotating ring connecting part and a telescopic part for connecting the fixed ring connecting part and the rotating ring connecting part;
the fixing ring connecting part is provided with a through stepped through hole, one end of the stepped through hole is provided with a plurality of limiting grooves, and the limiting grooves are uniformly distributed along the edge of one end of the fixing ring connecting part and are used for being connected with the fixing ring; a first annular groove is formed in the inner wall of the stepped through hole, and a first sealing ring is arranged in the first annular groove;
the rotating ring connecting part is provided with a through hole, the inner wall of the through hole is provided with a second annular groove, and a second sealing ring is arranged in the second annular groove; the end part of the rotating ring connecting part is provided with an annular connecting groove which is used for connecting with the rotating ring; a plurality of limiting fixture blocks are arranged on the inner side of the annular connecting groove and used for limiting and fixing with the rotating ring;
the both ends of pars contractilis are connected solid fixed ring connecting portion and rotating ring connecting portion respectively, are equipped with the spring in the inside cavity of pars contractilis.
Furthermore, the number of the limiting grooves is two, and the limiting grooves are symmetrically distributed at one end of the connecting portion of the fixing ring.
Furthermore, the number of the limiting fixture blocks is four, and the limiting fixture blocks are uniformly distributed on the inner side of the annular connecting groove.
To sum up, the utility model discloses following beneficial effect has:
the end part of the rotating ring connecting part is provided with the annular connecting groove connected with the rotating ring, the inner side of the annular connecting groove is provided with the plurality of limiting fixture blocks fixed with the rotating ring in a limiting way, and under the combined action of the annular connecting groove and the limiting fixture blocks, the connecting strength of the telescopic ring and the rotating ring is greatly improved.
Drawings
Fig. 1 is a perspective view of the connection between the telescopic ring and the rotating ring of the present invention.
Fig. 2 is a sectional view of the connection between the telescopic ring and the rotating ring according to the present invention.
Fig. 3 is a perspective view of the rotating ring of the present invention.
Fig. 4 is a front view of the rotating ring of the present invention.
Fig. 5 is a perspective view of the telescopic ring of the present invention.
Fig. 6 is a side view of the expansion ring of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining the drawings and the specific embodiments.
As shown in fig. 1 to 6, the fixing structure for the front shaft seal rotating ring and the telescopic ring provided by the present invention comprises a telescopic ring 1 and a rotating ring 2 fixedly connected to the telescopic ring 1;
the telescopic ring 1 comprises a fixed ring connecting part 11, a rotating ring connecting part 12 and a telescopic part 13 for connecting the fixed ring connecting part 11 and the rotating ring connecting part 12;
the fixing ring connecting part 11 is provided with a through stepped through hole 111, one end of the stepped through hole 111 is provided with a plurality of limiting grooves 112, and the limiting grooves 112 are uniformly distributed along the edge of one end of the fixing ring connecting part 11 and are used for being connected with a fixing ring; a first annular groove 113 is formed in the inner wall of the stepped through hole 111, and a first sealing ring 114 is arranged in the first annular groove 113;
a through hole 121 is formed in the rotating ring connecting part 12 in a penetrating manner, a second annular groove 122 is formed in the inner wall of the through hole 121, and a second sealing ring 123 is arranged in the second annular groove 122; an annular connecting groove 124 is formed at the end of the rotating ring connecting part 12 and is used for connecting with the rotating ring 2; a plurality of limiting fixture blocks 125 are arranged on the inner side of the annular connecting groove 124 and are used for limiting and fixing with the rotating ring 2;
the two ends of the telescopic part 13 are respectively connected with the fixed ring connecting part 11 and the rotating ring connecting part 12, and a spring 131 is arranged in the cavity inside the telescopic part 13.
The number of the limiting grooves 112 is two, and the limiting grooves are symmetrically distributed at one end of the fixing ring connecting portion 11. The number of the limiting fixture blocks 125 is four, and the limiting fixture blocks are uniformly distributed on the inner side of the annular connecting groove 124.
The utility model discloses an annular connecting groove 124 of being connected with swivel becket 2 is seted up at the tip of swivel becket connecting portion 12 to be equipped with in annular connecting groove 124 inboard with a plurality of spacing fixture blocks 125 of swivel becket 2 spacing fixed, under the combined action of annular connecting groove 124 and spacing fixture block 125, improved the joint strength of expansion ring and swivel becket greatly.
In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the sake of clarity and convenience of description of the technical solutions, and thus, should not be construed as limiting the present invention.
As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. A fixing structure for a front shaft seal rotating ring and a telescopic ring is characterized by comprising a telescopic ring (1) and a rotating ring (2) fixedly connected with the telescopic ring (1);
the telescopic ring (1) comprises a fixed ring connecting part (11), a rotating ring connecting part (12) and a telescopic part (13) for connecting the fixed ring connecting part (11) and the rotating ring connecting part (12);
the fixing ring connecting part (11) is provided with a through stepped through hole (111), one end of the stepped through hole (111) is provided with a plurality of limiting grooves (112), and the limiting grooves (112) are uniformly distributed along the edge of one end of the fixing ring connecting part (11) and are used for being connected with a fixing ring; a first annular groove (113) is formed in the inner wall of the stepped through hole (111), and a first sealing ring (114) is arranged in the first annular groove (113);
a through hole (121) is arranged on the rotating ring connecting part (12) in a penetrating manner, a second annular groove (122) is formed in the inner wall of the through hole (121), and a second sealing ring (123) is arranged in the second annular groove (122); an annular connecting groove (124) is formed in the end part of the rotating ring connecting part (12) and is used for being connected with the rotating ring (2); a plurality of limiting fixture blocks (125) are arranged on the inner side of the annular connecting groove (124) and are used for limiting and fixing with the rotating ring (2);
the two ends of the telescopic part (13) are respectively connected with the fixed ring connecting part (11) and the rotating ring connecting part (12), and a spring (131) is arranged in a cavity inside the telescopic part (13).
2. The fixing structure for the front shaft seal rotating ring and the telescopic ring according to claim 1, wherein the number of the limiting grooves (112) is two, and the two limiting grooves are symmetrically distributed at one end of the fixing ring connecting part (11).
3. The fixing structure for the front shaft seal rotating ring and the telescopic ring according to claim 1, wherein the number of the limiting blocks (125) is four, and the limiting blocks are uniformly distributed on the inner side of the annular connecting groove (124).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220979869.5U CN217539090U (en) | 2022-04-26 | 2022-04-26 | Fixing structure for front shaft seal rotating ring and telescopic ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220979869.5U CN217539090U (en) | 2022-04-26 | 2022-04-26 | Fixing structure for front shaft seal rotating ring and telescopic ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217539090U true CN217539090U (en) | 2022-10-04 |
Family
ID=83432250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220979869.5U Active CN217539090U (en) | 2022-04-26 | 2022-04-26 | Fixing structure for front shaft seal rotating ring and telescopic ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217539090U (en) |
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2022
- 2022-04-26 CN CN202220979869.5U patent/CN217539090U/en active Active
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