CN211175389U - Adjustable mechanical sealing device - Google Patents
Adjustable mechanical sealing device Download PDFInfo
- Publication number
- CN211175389U CN211175389U CN201921939475.1U CN201921939475U CN211175389U CN 211175389 U CN211175389 U CN 211175389U CN 201921939475 U CN201921939475 U CN 201921939475U CN 211175389 U CN211175389 U CN 211175389U
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- fixedly connected
- ring
- fixing
- sealing
- fixed
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Abstract
The utility model relates to a mechanical seal technical field especially relates to adjustable type mechanical seal device, still include adjusting device, fixing device and location expansion ring including the circle that expands, the circle that expands is including circle body and fixed slot, and adjusting device includes solid fixed ring, elastic connection ring, telescopic link and fixed orifices, and adjusting device includes go-between, fixed motor, fixed plate and control bolt pole, and fixing device includes sealed section of thick bamboo, fixed plate, sealing strip, connecting hole and notes liquid mouth, and location expansion ring includes connector, coupling spring and back joint, the utility model discloses can seal the sealed scope of adjustment, use the sealed liquid to seal up, the life-span of better assurance sealing member.
Description
Technical Field
The utility model relates to a mechanical seal technical field especially relates to adjustable type mechanical seal device.
Background
With the wide use of rotating machinery such as speed reducers, centrifugal pumps, reaction kettles and the like in industrialization, the demand of mechanical seals is more and more, the mechanical seals are used between a transmission shaft and equipment, and as the transmission shaft penetrates through the inside and the outside of the equipment, a certain gap exists between the shaft and the equipment, the mechanical seals are needed to prevent air from leaking into the equipment when the pressure in the equipment is lower than atmospheric pressure, but the conventional mechanical seals can only be suitable for a certain specification and cannot be adjusted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an adjustable type mechanical seal device can seal up the life-span of better assurance sealing member with adjusting sealed scope, use sealed liquid.
The purpose of the utility model is realized through the following technical scheme:
an adjustable mechanical sealing device comprises an expansion ring, a limiting device, an adjusting device, a fixing device and a positioning telescopic ring, wherein the limiting device is fixedly connected to the front end of the expansion ring;
the expansion ring comprises an expansion ring body and a fixing groove, and the fixing groove is formed in the expansion ring body;
the limiting device comprises a plurality of fixing rings, elastic connecting rings, telescopic rods and fixing holes, the plurality of telescopic rods are arranged on the telescopic rods, the fixing rings are fixedly connected with the plurality of telescopic rods, the plurality of telescopic rods are fixedly connected to the inner sides of the elastic connecting rings, the outer sides of the elastic connecting rings are fixedly connected in the fixing grooves, and the fixing holes are formed in the centers of the fixing rings;
the adjusting device comprises a connecting ring, a fixed motor, a fixed plate I and a control bolt rod, wherein the rear end of the connecting ring is fixedly connected to the front end of the expansion ring body;
the fixing device comprises a sealing barrel, two fixing plates II, two sealing strips, a connecting hole and a liquid injection port, the fixing holes are fixedly connected to the middle of the sealing barrel, the two fixing plates II are fixedly connected to the sealing barrel, the connecting hole is located in the fixing plate II on the front side, the two sealing strips are rotatably connected to the inside of the connecting hole through control bolt rods, the two sealing strips are fixedly connected to the inside of the sealing barrel, and the liquid injection port is fixedly connected to the sealing barrel and communicated with the sealing barrel;
the positioning telescopic ring comprises a connector, a connecting spring and a rear connector, the front end of the connector is fixedly connected to the rear end of the expansion ring body, the rear end of the connector is fixedly connected to the front end of the connecting spring, and the rear end of the connecting spring is fixedly connected to the front end of the rear connector.
The utility model has the advantages that:
the utility model provides an adjustable mechanical sealing device, the front and the back of an expansion ring body are respectively and fixedly connected with a connecting ring and a connector, an elastic connecting ring of a fixed groove fixedly connected with a limiting device limits the position of the limiting device, a fixed ring is fixedly connected on a sealing cylinder, two sealing strips are fixedly connected inside the sealing cylinder, a liquid injection port is arranged on the sealing cylinder, when in use, the sealing cylinder of the device is sleeved in a hole between a transmission shaft and equipment, a cavity is formed between the sealing cylinder and a shaft, then lubricating liquid is injected into the sealing cylinder through the liquid injection port, the sealing element is sealed by the lubricating liquid between the shaft and the sealing element, the consumption caused by the direct contact between the sealing element and the shaft is reduced, the service life is prolonged, a fixed motor is started, a control bolt rod is driven to rotate, the control bolt rod is connected in the connecting hole through, the bolt rod is controlled to rotate to move forwards, the expansion ring body is compressed, the radial distance of the expansion ring body is increased, the sealing effect can be achieved, and the sealing range can be adjusted.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a cross-sectional view of the overall structure of the present invention;
fig. 3 is a schematic view of the expansion ring structure of the present invention;
FIG. 4 is a schematic structural view of the position limiter of the present invention;
FIG. 5 is a schematic view of the structure of the adjusting device of the present invention;
fig. 6 is a schematic structural view of the fixing device of the present invention;
fig. 7 is a schematic view of the structure of the positioning telescopic ring of the present invention.
In the figure: expanding ring 1; 1-1 of an expansion ring body; a fixed groove 1-2; a limiting device 2; a fixed ring 2-1; 2-2 of an elastic connecting ring; 2-3 of a telescopic rod; 2-4 of a fixing hole; an adjusting device 3; a connecting ring 3-1; fixing a motor 3-2; 3-3 of a fixing plate; 3-4 of a control bolt rod; a fixing device 4; 4-1 of a sealing cylinder; a fixing plate II 4-2; 4-3 of a sealing strip; 4-4 of connecting holes; 4-5 of a liquid injection port; positioning the telescopic ring 5; a connector 5-1; a connecting spring 5-2; and 5-3 of a rear joint.
Detailed Description
The present invention will be described in further detail with reference to the accompanying fig. 1-7.
The first embodiment is as follows:
as shown in fig. 1-7, an adjustable mechanical sealing device comprises an expansion ring 1, an adjusting device 2, an adjusting device 3, a fixing device 4 and a positioning telescopic ring 5, wherein the adjusting device 2 is fixedly connected to the front end of the expansion ring 1, the adjusting device 3 is fixedly connected to the rear end of the expansion ring 1, the middle part of the fixing device 4 is fixedly connected to the inside of the positioning telescopic ring 5, the adjusting device 2 is rotatably connected to the fixing device 4, and the positioning telescopic ring 5 is fixedly connected to the middle part of the expansion ring 1;
the front and the back of the expanding ring body 1-1 are respectively fixedly connected with a connecting ring 3-1 and a connector 5-1, the fixing groove 1-2 is fixedly connected with an elastic connecting ring 2-2 of a limiting device 2 to limit the position of the limiting device 2, a fixing ring 2-1 is fixedly connected on a sealing cylinder 4-1, two sealing strips 4-3 are fixedly connected in the sealing cylinder 4-1, a liquid injection port 4-5 is arranged on the sealing cylinder 4-1, when in use, the sealing cylinder 4-1 of the device is sleeved in a hole between a transmission shaft and equipment, a cavity is formed between the sealing cylinder 4-1 and the shaft, then lubricating liquid is injected into the sealing cylinder 4-1 through the liquid injection port 4-5, the shaft and the sealing element are sealed by adopting the lubricating liquid, and the consumption caused by the direct contact between the sealing element and the, the service life is prolonged, the fixing motor 3-2 is started to drive the control bolt rod 3-4 to rotate, the control bolt rod 3-4 is connected into the connecting hole 4-4 in a rotating mode through threads, the fixing device 4 is fixedly connected to the limiting device 2, the control bolt rod 3-4 rotates to move forwards, the expansion ring body 1-1 is compressed, the radial distance of the expansion ring body 1-1 is increased, the sealing effect can be achieved, and the sealing range can be adjusted.
The second embodiment is as follows:
as shown in fig. 1-7, the expansion ring 1 comprises an expansion ring body 1-1 and a fixing groove 1-2, and the fixing groove 1-2 is arranged in the expansion ring body 1-1;
the front end and the rear end of the expansion ring body 1-1 are connected at an angle of 60 degrees, the expansion ring body 1-1 after connection is increased in the radial direction when stressed, and the expansion ring body 1-1 is provided with a fixing groove 1-2 for fixedly connecting the elastic connecting ring 2-2 so as to be positioned in the axial direction.
The third concrete implementation mode:
as shown in fig. 1-7, the position limiting device 2 includes a plurality of fixing rings 2-1, a plurality of elastic connection rings 2-2, a plurality of telescopic rods 2-3 and fixing holes 2-4, the plurality of telescopic rods 2-3 are provided, the fixing ring 2-1 is fixedly connected with the plurality of telescopic rods 2-3, the plurality of telescopic rods 2-3 are fixedly connected to the inner side of the elastic connection ring 2-2, the outer side of the elastic connection ring 2-2 is fixedly connected to the fixing groove 1-2, and the fixing holes 2-4 are provided at the center of the fixing ring 2-1;
the inner sides of a plurality of telescopic rods 2-3 are fixedly connected to the fixing ring 2-1, the outer sides of the telescopic rods 2-3 are fixedly connected to the inner side of the elastic connecting ring 2-2, the outer side of the elastic connecting ring 2-2 is fixedly connected to the fixing groove 1-2 and plays a role of axially fixing the limiting device 2, the elastic connecting ring 2-2 is made of elastic materials, and the telescopic rods 2-3 extend along with the radial increase of the expansion ring body 1-1.
The fourth concrete implementation mode:
as shown in fig. 1-7, the adjusting device 3 includes a connecting ring 3-1, a fixed motor 3-2, a fixed plate i 3-3 and a control bolt rod 3-4, a rear end of the connecting ring 3-1 is fixedly connected to a front end of the expanded ring body 1-1, a front end of the connecting ring 3-1 is fixedly connected to the fixed plate i 3-3, the fixed motor 3-2 is fixedly connected to a front end of the fixed plate i 3-3, and the control bolt rod 3-4 is fixedly connected to an output shaft of the fixed motor 3-2;
the connecting ring 3-1 is fixedly connected to the front end of the expansion ring body 1-1, a 60-degree angle is also arranged at the connecting position, the fixed motor 3-2 is fixedly connected to the fixed plate I3-3, the fixed plate I3-3 is fixedly connected to the connecting ring 3-1, and the control bolt rod 3-4 is fixedly connected to an output shaft of the fixed motor 3-2.
The fifth concrete implementation mode:
as shown in fig. 1-7, the fixing device 4 comprises a sealing barrel 4-1, two fixing plates II 4-2, two sealing strips 4-3, two connecting holes 4-4 and two liquid injection ports 4-5, wherein the fixing holes 2-4 are fixedly connected to the middle part of the sealing barrel 4-1, the two fixing plates II 4-2 are fixedly connected to the sealing barrel 4-1, the connecting holes 4-4 are positioned on the fixing plate II 4-2 on the front side, the control bolt rod 3-4 is rotatably connected into the connecting holes 4-4, the two sealing strips 4-3 are fixedly connected into the sealing barrel 4-1, and the liquid injection ports 4-5 are fixedly connected to and communicated with the sealing barrel 4-1;
the two fixing holes 2-4 are fixedly connected with the middle part of the sealing barrel 4-1, the two fixing plates II 4-2 are arranged, the two fixing plates II 4-2 are respectively and fixedly connected with the two ends of the sealing barrel 4-1, the connecting hole 4-4 is arranged on the front fixing plate II 4-2, the control bolt rod 3-4 is rotatably connected in the connecting hole 4-4 through threads, the fixing motor 3-2 is started, the control bolt rod 3-4 is rotated, the adjusting device 3 moves backwards relative to the fixing device 4 to generate the force for compressing the expansion ring body 1-1, the two sealing strips 4-3 are arranged, the two sealing strips 4-3 are both fixedly connected in the sealing strips 4-3, the liquid injection port 4-5 is fixedly connected and communicated with the sealing barrel 4-1, when the sealing barrel 4-1 is connected at the gap between the shaft and the equipment, lubricating liquid is added through the liquid injection port 4-5, and then the liquid injection port 4-5 is closed.
The sixth specific implementation mode:
as shown in fig. 1-7, the positioning expansion ring 5 comprises a connector 5-1, a connecting spring 5-2 and a rear connector 5-3, wherein the front end of the connector 5-1 is fixedly connected to the rear end of the expansion ring body 1-1, the rear end of the connector 5-1 is fixedly connected to the front end of the connecting spring 5-2, and the rear end of the connecting spring 5-2 is fixedly connected to the front end of the rear connector 5-3;
the front end of the connector 5-1 is fixedly connected with the rear end of the expansion ring body 1-1, the rear end of the connector 5-1 is fixedly connected with the front end of the connecting spring 5-2, the rear end of the connecting spring 5-2 is fixedly connected with the rear end of the rear connector 5-3, and the connecting spring 5-2 plays a role in shock absorption.
The utility model discloses, its theory of use does: the front and the back of the expanding ring body 1-1 are respectively fixedly connected with a connecting ring 3-1 and a connector 5-1, the fixing groove 1-2 is fixedly connected with an elastic connecting ring 2-2 of a limiting device 2 to limit the position of the limiting device 2, a fixing ring 2-1 is fixedly connected on a sealing cylinder 4-1, two sealing strips 4-3 are fixedly connected in the sealing cylinder 4-1, a liquid injection port 4-5 is arranged on the sealing cylinder 4-1, when in use, the sealing cylinder 4-1 of the device is sleeved in a hole between a transmission shaft and equipment, a cavity is formed between the sealing cylinder 4-1 and the shaft, then lubricating liquid is injected into the sealing cylinder 4-1 through the liquid injection port 4-5, the shaft and the sealing element are sealed by adopting the lubricating liquid, and the consumption caused by the direct contact between the sealing element and the, the service life is prolonged, the fixing motor 3-2 is started to drive the control bolt rod 3-4 to rotate, the control bolt rod 3-4 is rotatably connected into the connecting hole 4-4 through threads, the fixing device 4 is fixedly connected to the limiting device 2, the control bolt rod 3-4 rotates forwards to compress the expansion ring body 1-1, the radial distance of the expansion ring body 1-1 is increased, the sealing effect can be achieved, and the sealing range can be adjusted; the connecting parts of the front end and the rear end of the expansion ring body 1-1 are respectively provided with a chamfer angle of 60 degrees, the expansion ring body 1-1 after connection is increased in the radial direction when stressed, and the expansion ring body 1-1 is provided with a fixing groove 1-2 for fixedly connecting an elastic connecting ring 2-2 so as to be positioned in the axial direction; the fixed ring 2-1 is fixedly connected with the inner sides of a plurality of telescopic rods 2-3, the outer sides of the telescopic rods 2-3 are fixedly connected with the inner sides of the elastic connecting rings 2-2, the outer sides of the elastic connecting rings 2-2 are fixedly connected in the fixed grooves 1-2, and the telescopic rods 2-3 extend along with the radial increase of the expansion ring body 1-1; the connecting ring 3-1 is fixedly connected to the front end of the expansion ring body 1-1, a 60-degree chamfer is also arranged at the connection position, the fixed motor 3-2 is fixedly connected to the fixed plate I3-3, the fixed plate I3-3 is fixedly connected to the connecting ring 3-1, and the control bolt rod 3-4 is fixedly connected to an output shaft of the fixed motor 3-2; the two fixing holes 2-4 are fixedly connected with the middle part of the sealing barrel 4-1, the two fixing plates II 4-2 are arranged, the two fixing plates II 4-2 are respectively and fixedly connected with the two ends of the sealing barrel 4-1, the connecting hole 4-4 is arranged on the front fixing plate II 4-2, the control bolt rod 3-4 is rotatably connected in the connecting hole 4-4 through threads, the fixing motor 3-2 is started, the control bolt rod 3-4 is rotated, the adjusting device 3 moves backwards relative to the fixing device 4 to generate the force for compressing the expansion ring body 1-1, the two sealing strips 4-3 are arranged, the two sealing strips 4-3 are both fixedly connected in the sealing strips 4-3, the liquid injection port 4-5 is fixedly connected and communicated with the sealing barrel 4-1, when the sealing barrel 4-1 is connected at the gap between the shaft and the equipment, lubricating liquid is added through the liquid injection port 4-5, and then the liquid injection port 4-5 is closed; the front end of the connector 5-1 is fixedly connected with the rear end of the expansion ring body 1-1, the rear end of the connector 5-1 is fixedly connected with the front end of the connecting spring 5-2, the rear end of the connecting spring 5-2 is fixedly connected with the rear end of the rear connector 5-3, and the connecting spring 5-2 plays a role in shock absorption.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or replacements made by those skilled in the art within the scope of the present invention also belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides an adjustable type mechanical seal device, including circle that expands (1), a serial communication port, this adjustable type mechanical seal device still includes stop device (2), adjusting device (3), fixing device (4) and location expansion ring (5), stop device (2) fixed connection is at the front end of circle that expands (1), adjusting device (3) fixed connection is in the rear end of circle that expands (1), the middle part fixed connection of fixing device (4) is in location expansion ring (5), stop device (2) rotate to be connected on fixing device (4), location expansion ring (5) fixed connection is at the middle part of circle that expands (1).
2. An adjustable mechanical seal according to claim 1 wherein: the expansion ring (1) comprises an expansion ring body (1-1) and a fixing groove (1-2), and the fixing groove (1-2) is arranged in the expansion ring body (1-1).
3. An adjustable mechanical seal according to claim 2 wherein: stop device (2) including solid fixed ring (2-1), elastic connecting ring (2-2), telescopic link (2-3) and fixed orifices (2-4), a plurality of that telescopic link (2-3) were equipped with, gu a plurality of telescopic links (2-3) of fixed ring (2-1) fixedly connected with, a plurality of telescopic link (2-3) fixed connection are in the inboard of elastic connecting ring (2-2), elastic connecting ring (2-2) fixed connection is in fixed slot (1-2), fixed orifices (2-4) set up the center department at solid fixed ring (2-1).
4. An adjustable mechanical seal according to claim 3 wherein: the adjusting device (3) comprises a connecting ring (3-1), a fixed motor (3-2), a fixing plate I (3-3) and a control bolt rod (3-4), the rear end of the connecting ring (3-1) is fixedly connected to the front end of the expansion ring body (1-1), the front end of the connecting ring (3-1) is fixedly connected with the fixing plate I (3-3), the fixed motor (3-2) is fixedly connected to the front end of the fixing plate I (3-3), and the control bolt rod (3-4) is fixedly connected to an output shaft of the fixed motor (3-2).
5. An adjustable mechanical seal according to claim 4 wherein: the fixing device (4) comprises a sealing cylinder (4-1) and a fixing plate II (4-2), the sealing device comprises a sealing strip (4-3), two connecting holes (4-4) and a liquid injection port (4-5), wherein the fixing holes (2-4) are fixedly connected to the middle of a sealing barrel (4-1), the two fixing plates II (4-2) are arranged, the two fixing plates II (4-2) are fixedly connected to the sealing barrel (4-1), the connecting holes (4-4) are formed in the front side of the fixing plate II (4-2), a control bolt rod (3-4) is rotatably connected into the connecting holes (4-4), the two sealing strips (4-3) are arranged, the two sealing strips (4-3) are fixedly connected into the sealing barrel (4-1), and the liquid injection port (4-5) is fixedly connected to the sealing barrel (4-1) and communicated with the sealing barrel.
6. An adjustable mechanical seal according to claim 5 wherein: the positioning telescopic ring (5) comprises a connector (5-1), a connecting spring (5-2) and a rear connector (5-3), the front end of the connector (5-1) is fixedly connected to the rear end of the expansion ring body (1-1), the rear end of the connector (5-1) is fixedly connected to the front end of the connecting spring (5-2), and the rear end of the connecting spring (5-2) is fixedly connected to the front end of the rear connector (5-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921939475.1U CN211175389U (en) | 2019-11-12 | 2019-11-12 | Adjustable mechanical sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921939475.1U CN211175389U (en) | 2019-11-12 | 2019-11-12 | Adjustable mechanical sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211175389U true CN211175389U (en) | 2020-08-04 |
Family
ID=71828572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921939475.1U Expired - Fee Related CN211175389U (en) | 2019-11-12 | 2019-11-12 | Adjustable mechanical sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211175389U (en) |
-
2019
- 2019-11-12 CN CN201921939475.1U patent/CN211175389U/en not_active Expired - Fee Related
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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: 20200804 Termination date: 20211112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |