CN113700867A - Longitudinal position adjusting type telescopic sealing device - Google Patents
Longitudinal position adjusting type telescopic sealing device Download PDFInfo
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- CN113700867A CN113700867A CN202111016769.9A CN202111016769A CN113700867A CN 113700867 A CN113700867 A CN 113700867A CN 202111016769 A CN202111016769 A CN 202111016769A CN 113700867 A CN113700867 A CN 113700867A
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- ring body
- periphery
- ring
- telescopic
- abutting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/50—Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall
- F16J15/52—Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall by means of sealing bellows or diaphragms
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a longitudinal position adjusting type telescopic sealing device which comprises a telescopic corrugated ring body, a sleeving ring body, an external positioning ring, an adjusting mechanism, an annular sealing cover and a pressing ring body, wherein the sleeving ring body is sleeved on the telescopic corrugated ring body; the telescopic corrugated ring body is movably connected with the external positioning ring through the sleeving ring body, the longitudinal position of the telescopic corrugated ring body is adjusted through the adjusting mechanism, the internal thread ring body is rotationally driven to drive the floating ring body to move up and down, so that the floating ring body can slide up and down in the sliding clamping groove of the external positioning ring through the limiting rod on the inner side, when the floating ring body moves upwards, the rolling ring body, the connecting ring body and the internal side ring body sequentially slide from the outer side of the external positioning ring to the inner side, and the telescopic corrugated ring body can move downwards, so that the longest distance of the lower end of the telescopic corrugated ring body is adjusted, and the use is flexible and convenient.
Description
Technical Field
The invention relates to a telescopic sealing device with a longitudinal position adjusting function.
Background
At present, a telescopic rod or a sealing element on a shaft for axial reciprocating motion generally uses a telescopic corrugated ring body, a hard external positioning ring is arranged around the outer side of the upper end of the telescopic corrugated ring body, one end of the upper end of the telescopic rod or the shaft is connected with the lower end of the telescopic corrugated ring body in a sealing manner, and the external positioning ring is connected in an external mechanical structure; the flexible rubber material is formed by butting multiple stages of flexible rubber rings and has a certain conical structure, the flexible rubber material is similar to a corrugated pipe structure, but the flexible corrugated ring body with the structure is generally fixedly connected with an external positioning ring, so that the longitudinal position of the lower end of the flexible corrugated ring body positioned on the inner side can not be adjusted, and the flexible rubber material can not be flexibly adjusted in the actual assembling process.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: provided is a telescopic sealing device of longitudinal position adjustment type, in which the longitudinal assembly position can be flexibly adjusted.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a longitudinal position adjusting type telescopic sealing device comprises a telescopic corrugated ring body, a sleeved ring body, an external positioning ring, an adjusting mechanism, an annular sealing cover and a pressing ring body; the sleeving ring body comprises an inner side ring body, a connecting ring body and a rolling ring body; the periphery of the upper end of the telescopic corrugated ring body is arranged on the periphery of the inner side of the external positioning ring; the inner side ring body is arranged at the upper end of the inner side of the outer positioning ring, and the periphery of the lower end of the inner side ring body is connected with the periphery of the upper end of the telescopic corrugated ring body; the connecting ring body is arranged on the outer side of the periphery of the upper end of the inner side ring body and is abutted against the periphery of the upper end of the outer positioning ring; the outer sides of the lower ends of the periphery of the connecting ring body are connected with the rolling ring body; the rolling ring body is sleeved on the outer side of the periphery of the upper end of the external positioning ring; the adjusting mechanism comprises a driving internal thread ring body, a floating ring body and a limiting rod; the outer sides of the periphery of the middle of the external positioning ring are provided with sliding clamping grooves which are longitudinally distributed; the periphery of the lower end of the sliding clamping groove is provided with an external thread ring surface; a limiting rod is respectively installed in the sliding clamping grooves in a sliding clamping mode; the outer sides of the periphery of the limiting rod are provided with a floating ring body together; the periphery of the upper end of the floating ring body is fixedly connected with the periphery of the lower end of the turning ring body; the outer side of the periphery of the external thread ring surface is in threaded rotary connection with a driving internal thread ring body; the upper end of the driving internal thread ring body is rotationally clamped with the periphery of the lower end of the floating ring body; the pressing ring body presses the periphery of the upper end of the connecting ring body; the lower end of the outer side of the periphery of the pressing ring body is provided with an annular sealing cover; and the annular closing cover is installed at the peripheral outer sides of the external positioning ring and the adjusting mechanism in a closed manner.
Furthermore, annular clamping grooves are formed in the periphery of the lower end of the floating ring body; clamping columns are respectively arranged on two sides of the upper end of the driving internal thread ring body; the driving internal thread ring body is rotationally clamped on the annular clamping groove at the periphery of the lower end of the floating ring body through clamping columns at two sides of the upper end.
Further, an external thread connecting ring is arranged on the outer side of the periphery of the lower end of the external positioning ring; the inner side of the periphery of the lower end of the annular sealing cover is provided with an internal thread annular surface; the annular sealing cover is rotatably connected to the outer sides of the peripheries of the external thread connecting rings through the threads of the inner thread ring surfaces on the peripheries of the lower ends.
Further, an abutment assembly is also included; the abutting assembly comprises an abutting plate, an abutting rod, an abutting elastic body and a shifting block; two sides of the lower end of the external positioning ring are respectively provided with a clamping channel; the lower end of the clamping channel is provided with a shifting groove; a pressing elastic body and a pressing rod are respectively arranged in the clamping channel; the abutting elastic body extrudes the abutting rod outwards; the outer end of the abutting rod extends to the outer side of the external positioning ring and is connected with an abutting plate; the outer side of the abutting plate abuts against the inner side of the lower end of the annular sealing cover; the stirring block is arranged in the stirring groove, and the upper end of the stirring block is fixedly connected with the lower side of the abutting rod.
Further, the telescopic corrugated ring body is of a conical structure with a large upper part and a small lower part.
Further, the outer positioning ring is made of an aluminum alloy material.
Furthermore, the telescopic corrugated ring body and the sleeving ring body are of an integrally formed structure.
The invention has the following beneficial effects:
the telescopic corrugated ring body is movably connected with the external positioning ring through the sleeving ring body, the longitudinal position of the telescopic corrugated ring body is adjusted through the adjusting mechanism, the internal thread ring body is rotationally driven to drive the floating ring body to move up and down, so that the floating ring body can slide up and down in the sliding clamping groove of the external positioning ring through the limiting rod on the inner side, when the floating ring body moves upwards, the rolling ring body, the connecting ring body and the internal side ring body sequentially slide from the outer side of the external positioning ring to the inner side, and the telescopic corrugated ring body can move downwards, so that the longest distance of the lower end of the telescopic corrugated ring body is adjusted, and the use is flexible and convenient.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged structural view of the upper end side of the present invention.
Fig. 3 is a partially enlarged structural view of fig. 2 according to the present invention.
FIG. 4 is a cross-sectional view of the snap-fit channel of the external positioning ring of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, a longitudinal position adjustable telescopic sealing device includes a telescopic corrugated ring body 1, a sleeved ring body 2, an external positioning ring 7, an adjusting mechanism 5, an annular sealing cover 4, and a pressing ring body 3; the sleeving ring body 2 comprises an inner side ring body 21, a connecting ring body 22 and a rolling ring body 23; the periphery of the upper end of the telescopic corrugated ring body 1 is arranged on the periphery of the inner side of the external positioning ring 7; the inner side ring body 21 is arranged at the upper end of the inner side of the outer positioning ring 7, and the periphery of the lower end of the inner side ring body 21 is connected with the periphery of the upper end of the telescopic corrugated ring body 1; the connecting ring body 22 is arranged on the outer side of the periphery of the upper end of the inner side ring body 21, and the connecting ring body 22 abuts against the periphery of the upper end of the outer positioning ring 7; the outer side of the lower end of the periphery of the connecting ring body 22 is connected with a rolling ring body 23; the rolling ring body 23 is sleeved on the outer side of the periphery of the upper end of the external positioning ring 7; the adjusting mechanism 5 comprises a driving internal thread ring body 51, a floating ring body 52 and a limiting rod 53; the outer side of the periphery of the middle part of the external positioning ring 7 is provided with sliding clamping grooves 72 which are longitudinally distributed; an external thread ring surface 71 is arranged on the periphery of the lower end of the sliding clamping groove 72; the limiting rods 53 are respectively installed in the sliding clamping grooves 72 in a sliding clamping mode; the outer sides of the peripheries of the limiting rods 53 are jointly provided with a floating ring body 52; the periphery of the upper end of the floating ring body 52 is fixedly connected with the periphery of the lower end of the turning ring body 23; the outer side of the periphery of the external thread ring surface 71 is in threaded rotary connection with a driving internal thread ring body 51; the upper end of the driving internal thread ring body 51 is rotationally clamped with the periphery of the lower end of the floating ring body 52; the pressing ring body 3 presses the periphery of the upper end of the connecting ring body 22; the lower end of the outer side of the periphery of the pressing ring body 3 is provided with an annular sealing cover 4; the annular closing cover 4 is closely arranged at the peripheral outer side of the outer positioning ring 7 and the adjusting mechanism 5.
As shown in fig. 1 to 4, it is further preferable that an annular clamping groove 521 is formed around the lower end of the floating ring body 52; clamping columns 511 are respectively arranged on two sides of the upper end of the driving internal thread ring body 51; the driving internal thread ring body 51 is rotatably clamped on the annular clamping groove 521 at the periphery of the lower end of the floating ring body 52 through clamping columns 511 at two sides of the upper end. Further, an external thread connecting ring 41 is arranged on the outer side of the periphery of the lower end of the external positioning ring 7; the inner side of the periphery of the lower end of the annular sealing cover 4 is provided with an internal thread annular surface; the annular closing cover 4 is rotatably connected to the outer side of the periphery of the external thread connecting ring 41 through the internal thread ring surface thread on the periphery of the lower end. Further, an abutment assembly 6 is also included; the abutting assembly comprises an abutting plate 63, an abutting rod 62, an abutting elastic body 61 and a shifting block 64; two sides of the lower end of the external positioning ring 7 are respectively provided with a clamping channel 73; the lower end of the clamping channel 73 is provided with a toggle groove 74; a pressing elastic body 61 and a pressing rod 62 are respectively arranged in the clamping channel 73; the abutting elastic body 61 extrudes the abutting rod 62 outwards; the outer end of the abutting rod 62 extends to the outer side of the external positioning ring 7 and is connected with an abutting plate 63; the outer side of the abutting plate 63 abuts against the inner side of the lower end of the annular sealing cover 4; the toggle block 64 is arranged in the toggle groove 74, and the upper end of the toggle block 64 is fixedly connected with the lower side of the pressing rod 62. Further, the telescopic corrugated ring body 1 is of a conical structure with a large upper part and a small lower part. Further, the outer positioning ring 7 is made of an aluminum alloy material. Further, the telescopic corrugated ring body 1 and the sleeving ring body 23 are of an integrally formed structure.
According to the invention, the telescopic corrugated ring body 1 is movably connected with the external positioning ring 7 through the sleeving ring body 2, the longitudinal position of the telescopic corrugated ring body 1 is adjusted through the adjusting mechanism 5, the internal thread ring body 51 is driven through rotation, the floating ring body 52 is driven to move up and down, the floating ring body 52 slides up and down in the sliding clamping groove 72 of the external positioning ring 7 through the limiting rod 53 on the inner side, and when the floating ring body 52 moves upwards, the rolling ring body 23, the connecting ring body 22 and the inner side ring body 21 sequentially slide from the outer side of the external positioning ring 7 to the inner side, so that the telescopic corrugated ring body 1 can move downwards, the longest distance of the lower end of the telescopic corrugated ring body 1 is adjusted, and the use is flexible and convenient.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A longitudinal position adjusting type telescopic sealing device is characterized by comprising a telescopic corrugated ring body, a sleeving ring body, an external positioning ring, an adjusting mechanism, an annular sealing cover and a pressing ring body; the sleeving ring body comprises an inner side ring body, a connecting ring body and a rolling ring body; the periphery of the upper end of the telescopic corrugated ring body is arranged on the periphery of the inner side of the external positioning ring; the inner side ring body is arranged at the upper end of the inner side of the outer positioning ring, and the periphery of the lower end of the inner side ring body is connected with the periphery of the upper end of the telescopic corrugated ring body; the connecting ring body is arranged on the outer side of the periphery of the upper end of the inner side ring body and is abutted against the periphery of the upper end of the outer positioning ring; the outer sides of the lower ends of the periphery of the connecting ring body are connected with the rolling ring body; the rolling ring body is sleeved on the outer side of the periphery of the upper end of the external positioning ring; the adjusting mechanism comprises a driving internal thread ring body, a floating ring body and a limiting rod; the outer sides of the periphery of the middle of the external positioning ring are provided with sliding clamping grooves which are longitudinally distributed; the periphery of the lower end of the sliding clamping groove is provided with an external thread ring surface; a limiting rod is respectively installed in the sliding clamping grooves in a sliding clamping mode; the outer sides of the periphery of the limiting rod are provided with a floating ring body together; the periphery of the upper end of the floating ring body is fixedly connected with the periphery of the lower end of the turning ring body; the outer side of the periphery of the external thread ring surface is in threaded rotary connection with a driving internal thread ring body; the upper end of the driving internal thread ring body is rotationally clamped with the periphery of the lower end of the floating ring body; the pressing ring body presses the periphery of the upper end of the connecting ring body; the lower end of the outer side of the periphery of the pressing ring body is provided with an annular sealing cover; and the annular closing cover is installed at the peripheral outer sides of the external positioning ring and the adjusting mechanism in a closed manner.
2. The telescopic seal of claim 1, wherein the floating ring has a circumferential groove around its lower end; clamping columns are respectively arranged on two sides of the upper end of the driving internal thread ring body; the driving internal thread ring body is rotationally clamped on the annular clamping groove at the periphery of the lower end of the floating ring body through clamping columns at two sides of the upper end.
3. The longitudinally position adjustable telescopic seal according to claim 1, wherein an externally threaded connecting ring is provided around the outside of the lower end of said outer positioning ring; the inner side of the periphery of the lower end of the annular sealing cover is provided with an internal thread annular surface; the annular sealing cover is rotatably connected to the outer sides of the peripheries of the external thread connecting rings through the threads of the inner thread ring surfaces on the peripheries of the lower ends.
4. The longitudinal position adjusting telescoping seal of claim 1, further comprising an abutment assembly; the abutting assembly comprises an abutting plate, an abutting rod, an abutting elastic body and a shifting block; two sides of the lower end of the external positioning ring are respectively provided with a clamping channel; the lower end of the clamping channel is provided with a shifting groove; a pressing elastic body and a pressing rod are respectively arranged in the clamping channel; the abutting elastic body extrudes the abutting rod outwards; the outer end of the abutting rod extends to the outer side of the external positioning ring and is connected with an abutting plate; the outer side of the abutting plate abuts against the inner side of the lower end of the annular sealing cover; the stirring block is arranged in the stirring groove, and the upper end of the stirring block is fixedly connected with the lower side of the abutting rod.
5. The longitudinally position adjustable telescopic seal according to claim 1, wherein said telescopic corrugated ring body is of a tapered configuration with a large top and a small bottom.
6. The longitudinal position adjusting telescopic seal according to claim 1, wherein said outer positioning ring is made of an aluminum alloy material.
7. The longitudinally adjustable telescoping seal of claim 1, wherein said telescoping corrugated ring and telescoping ring are of one-piece construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111016769.9A CN113700867A (en) | 2021-08-31 | 2021-08-31 | Longitudinal position adjusting type telescopic sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111016769.9A CN113700867A (en) | 2021-08-31 | 2021-08-31 | Longitudinal position adjusting type telescopic sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113700867A true CN113700867A (en) | 2021-11-26 |
Family
ID=78658371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111016769.9A Withdrawn CN113700867A (en) | 2021-08-31 | 2021-08-31 | Longitudinal position adjusting type telescopic sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113700867A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215978A (en) * | 2022-01-15 | 2022-03-22 | 江苏海鼎电气科技有限公司 | Floating fine-adjustment type spray cooling pipe rotary connection structure |
| CN115424777A (en) * | 2022-09-19 | 2022-12-02 | 江苏诸成电缆有限公司 | Multi-section elastic butt-joint type cable floating structure |
-
2021
- 2021-08-31 CN CN202111016769.9A patent/CN113700867A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215978A (en) * | 2022-01-15 | 2022-03-22 | 江苏海鼎电气科技有限公司 | Floating fine-adjustment type spray cooling pipe rotary connection structure |
| CN114215978B (en) * | 2022-01-15 | 2023-07-21 | 江苏海鼎电气科技有限公司 | Floating fine tuning spray cooling pipe screwing structure |
| CN115424777A (en) * | 2022-09-19 | 2022-12-02 | 江苏诸成电缆有限公司 | Multi-section elastic butt-joint type cable floating structure |
| CN115424777B (en) * | 2022-09-19 | 2024-04-26 | 江苏诸成电缆有限公司 | Multi-section elastic butt joint type cable floating structure |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20211126 |