CN219734220U - Leak-proof mechanical sealing structure - Google Patents
Leak-proof mechanical sealing structure Download PDFInfo
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- CN219734220U CN219734220U CN202321285823.4U CN202321285823U CN219734220U CN 219734220 U CN219734220 U CN 219734220U CN 202321285823 U CN202321285823 U CN 202321285823U CN 219734220 U CN219734220 U CN 219734220U
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- Prior art keywords
- tube seat
- liquid outlet
- sealing
- ring
- leak
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- 238000007789 sealing Methods 0.000 title claims abstract description 56
- 239000007788 liquid Substances 0.000 claims abstract description 40
- 238000009434 installation Methods 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 239000011148 porous material Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of mechanical sealing, and discloses a leakage-proof mechanical sealing structure, which comprises a connecting tube seat system, an inflatable sealing system and a sealing ring system, wherein the connecting tube seat system is detachably arranged on a liquid outlet and is used for connecting a liquid outlet pipe, the inflatable sealing system is fixedly arranged in the connecting tube seat system to seal the liquid outlet pipe inserted into the connecting tube seat system, an inflatable bag is arranged in a first installation cavity groove formed in the tube seat body, an inflatable opening of the inflatable bag is connected with a steel tube, after the liquid outlet pipe is inserted into the tube seat body, the inflatable bag is inflated through the steel tube, so that the inflatable bag is inflated and is pressed on the outer end surface of the liquid outlet pipe to seal, and meanwhile, a lantern ring sleeved with a spring ring is arranged in a second installation cavity groove formed in the tube seat body to seal the liquid outlet pipe inserted into the tube seat body.
Description
Technical Field
The utility model relates to the technical field of mechanical sealing, in particular to a leakage-proof mechanical sealing structure.
Background
The mechanical seal is a device for preventing fluid leakage, which is formed by at least one pair of end faces perpendicular to the rotation axis and keeps fit and relatively slide under the action of fluid pressure and the elasticity (or magnetic force) of the compensation mechanism and the cooperation of the auxiliary seal.
The sealing treatment effect of the existing mechanical sealing structure on the outer end face of the liquid outlet pipe is poor when the existing mechanical sealing structure is in sealing connection with the liquid outlet pipe, and the phenomenon of liquid outlet leakage can occur.
Disclosure of Invention
The utility model aims to provide a leakage-proof mechanical sealing structure, which solves the problems that the sealing treatment effect on the outer end surface of a liquid outlet pipe is poor and the liquid outlet leakage phenomenon occurs when the mechanical sealing structure is in sealing connection with the liquid outlet pipe in the background art.
In a first aspect, the present utility model provides a leak-proof mechanical seal comprising:
the connecting tube seat system is detachably arranged on the liquid outlet and is used for connecting a liquid outlet pipe;
the inflatable sealing system is fixedly arranged in the connecting tube seat system and is used for sealing a liquid outlet conduit inserted into the connecting tube seat system;
and the sealing ring system is arranged in the connecting tube seat system and is used for sealing the liquid outlet guide tube inserted into the connecting tube seat system.
In a specific embodiment, the connection header system includes a header body and a mounting ring portion fixedly disposed on the header body.
In a specific embodiment, a first installation cavity groove is formed in the middle of the inner wall of the tube seat body, a pore canal is formed in the outer side of one end of the tube seat body, the pore canal is communicated with the first installation cavity groove, and a second installation cavity groove for installing a sealing ring system is further formed in the inner wall of the tube seat body.
In a specific embodiment, the mounting ring part comprises a ring connected to the outer side of the tube seat body and a bolt screwed on the ring, the mounting ring part is detachably mounted on the liquid outlet through the bolt, and one side of the ring is connected with a sealing gasket.
In a specific embodiment, the inflatable sealing system comprises a steel pipe fixedly connected to the pore canal and an inflatable bag installed in the first installation cavity groove, an inflation port of the inflatable bag is connected with the steel pipe, and the other end of the steel pipe is fixedly connected with a flange.
In a specific embodiment, the sealing ring system comprises a sealing sleeve member arranged in the second mounting cavity groove and a positioning clamping seat connected to the lower end of the sealing sleeve member, and the positioning clamping seat is fixedly arranged at the inner lower end of the second mounting cavity groove.
In a specific embodiment, the seal kit includes a collar and a spring ring that fits around the outside of the collar.
In a specific embodiment, the collar is a member made of rubber.
In a specific embodiment, a groove is formed in the outer side of the lantern ring in a circle, and the spring is sleeved in the groove.
In a specific embodiment, the collar has a thickness that matches the bayonet width of the positioning cartridge.
According to the leakage-proof mechanical sealing structure, the inflatable bag is arranged in the first mounting cavity groove formed in the tube seat body, the inflation port of the inflatable bag is connected with the steel tube, after the liquid outlet guide tube is inserted into the tube seat body, the inflatable bag is inflated through the steel tube, so that the inflatable bag is inflated and pressed on the outer end face of the liquid outlet guide tube to carry out sealing treatment, meanwhile, the sleeve ring sleeved with the spring ring is arranged in the second mounting cavity groove formed in the tube seat body, the liquid outlet guide tube inserted into the tube seat body is further sealed, and compared with a traditional mechanical sealing structure, the sealing treatment effect is better, and the phenomenon of liquid leakage can be effectively solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic overall structure of an embodiment of the present utility model.
FIG. 2 is a cross-sectional view taken along the A-A plane of FIG. 1.
Fig. 3 is a schematic view of a tube base according to an embodiment of the present utility model.
FIG. 4 is a schematic diagram of a seal ring system according to an embodiment of the utility model.
Fig. 5 is an enlarged view at a in fig. 4.
Icon: 100. a connection tube seat system; 110. a tube seat body; 111. a first mounting cavity; 112. a duct; 113. a second mounting cavity; 120. a mounting ring portion; 121. a loop; 122. a bolt; 123. a sealing gasket; 200. an inflatable sealing system; 210. a steel pipe; 220. an inflatable bag; 230. a flange; 300. a sealing ring system; 310. a sealing sleeve; 311. a collar; 312. a spring ring; 313. a groove; 320. positioning the clamping seat.
Detailed Description
Because the mechanical sealing structure in the prior art has poor sealing treatment effect on the outer end face of the liquid outlet pipe when in sealing connection with the liquid outlet pipe, the phenomenon of liquid outlet leakage can occur. Therefore, the inventor has studied to provide a leak-proof mechanical seal structure, in which an inflatable bag is inflated by a steel pipe, so that the inflatable bag is inflated and pressed against the outer end surface of a liquid outlet pipe to perform sealing treatment, and meanwhile, a sleeve ring sleeved with a spring ring is installed in a second installation cavity groove formed in the pipe seat body to perform further sealing treatment on the liquid outlet pipe inserted into the pipe seat body, thereby solving the above-mentioned drawbacks.
Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.
Referring to fig. 1 to 5, an embodiment of the present utility model provides a leak-proof mechanical seal structure, including:
the connecting tube seat system 100 is detachably arranged on the liquid outlet and is used for connecting a liquid outlet pipe;
the inflatable sealing system 200 is fixedly arranged in the connecting tube seat system 100 and is used for sealing a liquid outlet tube inserted into the connecting tube seat system 100;
and a seal ring system 300, wherein the seal ring system 300 is arranged in the connection tube seat system 100 to seal the liquid outlet tube inserted into the connection tube seat system 100.
Specifically, the connection header system 100 includes a header body 110 and a mounting ring portion 120 fixedly provided on the header body 110.
The middle of the inner wall of the tube seat body 110 is provided with a first installation cavity groove 111, the outer side of one end of the tube seat body 110 is provided with a pore canal 112, the pore canal 112 is communicated with the first installation cavity groove 111, and the inner wall of the tube seat body 110 is also provided with a second installation cavity groove 113 for installing the sealing ring system 300.
The mounting ring part 120 includes a ring 121 connected to the outside of the socket body 110 and a bolt 122 screw-mounted on the ring 121, detachably mounted on the liquid outlet through the bolt 122, and a sealing pad 123 connected to one side of the ring 121.
Specifically, the inflatable sealing system 200 includes a steel tube 210 fixedly connected to the duct 112 and an inflatable bag 220 installed in the first installation cavity 111, an inflation port of the inflatable bag 220 is connected to the steel tube 210, and a flange 230 is fixedly connected to the other end of the steel tube 210.
The sealing ring system 300 comprises a sealing sleeve 310 installed in the second installation cavity groove 113 and a positioning clamping seat 320 connected to the lower end of the sealing sleeve 310, wherein the positioning clamping seat 320 is fixedly installed at the inner lower end of the second installation cavity groove 113.
The seal sleeve 310 comprises a sleeve ring 311 and a spring ring 312 sleeved outside the sleeve ring 311, wherein the spring ring 312 can be used for adducting the sleeve ring 311 so that the sleeve ring 311 is tightly sleeved on the liquid outlet pipe.
Preferably, the collar 311 is a member made of rubber.
The outer side of the collar 311 is provided with a groove 313, and the spring ring 312 is sleeved in the groove 313.
Further, the thickness of collar 311 matches the bayonet width of locator card 320.
In summary, the embodiment of the present utility model provides a leak-proof mechanical seal structure, in which, an inflatable bag 220 is installed in a first installation cavity groove 111 formed in an inner portion of a tube seat body 110, and an inflation port of the inflatable bag 220 is connected with a steel tube 210, after a liquid outlet pipe is inserted into the tube seat body 110, the inflatable bag 220 is inflated through the steel tube 210, so that the inflatable bag 220 is inflated and pressed on an outer end surface of the liquid outlet pipe to perform sealing treatment, and meanwhile, a collar 311 sleeved with a spring ring 312 is installed in a second installation cavity groove 113 formed in the inner portion of the tube seat body 110, and the liquid outlet pipe inserted into the tube seat body 110 is further sealed.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A leak-proof mechanical seal structure, comprising:
the connecting tube seat system is detachably arranged on the liquid outlet and is used for connecting a liquid outlet pipe;
the inflatable sealing system is fixedly arranged in the connecting tube seat system and is used for sealing a liquid outlet conduit inserted into the connecting tube seat system;
and the sealing ring system is arranged in the connecting tube seat system and is used for sealing the liquid outlet guide tube inserted into the connecting tube seat system.
2. A leak-proof mechanical seal according to claim 1, wherein the connection tube holder system comprises a tube holder body and a mounting ring portion fixedly provided on the tube holder body.
3. The leakage-proof mechanical seal structure according to claim 2, wherein a first installation cavity groove is formed in the middle of the inner wall of the tube seat body, a pore canal is formed in the outer side of one end of the tube seat body, the pore canal is communicated with the first installation cavity groove, and a second installation cavity groove for installing a sealing ring system is formed in the inner wall of the tube seat body.
4. The leakage preventing mechanical seal structure according to claim 2, wherein the mounting ring portion comprises a ring connected to the outside of the tube seat body and a bolt screwed on the ring, the mounting ring is detachably mounted on the liquid outlet through the bolt, and a sealing gasket is connected to one side of the ring.
5. A leak-proof mechanical seal structure as defined in claim 3, wherein the gas-filled sealing system comprises a steel pipe fixedly connected to the duct and a gas-filled bag installed in the first installation cavity, the gas-filled port of the gas-filled bag is connected to the steel pipe, and the other end of the steel pipe is fixedly connected to the flange.
6. A leak-proof mechanical seal as defined in claim 3, wherein the seal ring system comprises a seal member mounted in the second mounting cavity and a positioning cartridge connected to a lower end of the seal member, the positioning cartridge being fixedly mounted to an inner lower end of the second mounting cavity.
7. A leak-proof mechanical seal as defined in claim 6, wherein the seal assembly comprises a collar and a spring ring mounted on the outside of the collar.
8. A leak-proof mechanical seal according to claim 7, wherein the collar is a member made of rubber material.
9. A leak-proof mechanical seal according to claim 8, wherein a groove is provided on the outside of the collar, and the spring collar is fitted in the groove.
10. A leak-proof mechanical seal as defined in claim 7, wherein the collar has a thickness that matches the bayonet width of the positioning cartridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321285823.4U CN219734220U (en) | 2023-05-25 | 2023-05-25 | Leak-proof mechanical sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321285823.4U CN219734220U (en) | 2023-05-25 | 2023-05-25 | Leak-proof mechanical sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219734220U true CN219734220U (en) | 2023-09-22 |
Family
ID=88031007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321285823.4U Active CN219734220U (en) | 2023-05-25 | 2023-05-25 | Leak-proof mechanical sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219734220U (en) |
-
2023
- 2023-05-25 CN CN202321285823.4U patent/CN219734220U/en active Active
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