CN219954441U - High-pressure-resistant packing structure - Google Patents
High-pressure-resistant packing structure Download PDFInfo
- Publication number
- CN219954441U CN219954441U CN202321357108.7U CN202321357108U CN219954441U CN 219954441 U CN219954441 U CN 219954441U CN 202321357108 U CN202321357108 U CN 202321357108U CN 219954441 U CN219954441 U CN 219954441U
- Authority
- CN
- China
- Prior art keywords
- packing
- packing box
- casting die
- round nut
- box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000012856 packing Methods 0.000 title claims abstract description 170
- 238000005266 casting Methods 0.000 claims abstract description 39
- 239000010410 layer Substances 0.000 claims description 32
- 239000011241 protective layer Substances 0.000 claims description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 7
- 241001330002 Bambuseae Species 0.000 claims description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 7
- 239000011425 bamboo Substances 0.000 claims description 7
- 238000010030 laminating Methods 0.000 claims description 7
- 229920002313 fluoropolymer Polymers 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 239000004642 Polyimide Substances 0.000 claims description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
- 239000011889 copper foil Substances 0.000 claims description 5
- 229920001721 polyimide Polymers 0.000 claims description 5
- 229920002379 silicone rubber Polymers 0.000 claims description 5
- 239000004945 silicone rubber Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 abstract description 6
- 230000000670 limiting effect Effects 0.000 description 8
- 238000003825 pressing Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000019476 oil-water mixture Nutrition 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Sealing Devices (AREA)
Abstract
The utility model relates to the technical field of sealing devices, and discloses a high-pressure-resistant packing structure, which comprises a packing box, wherein a thread groove is formed in one end surface of the packing box, and a rotating rod is inserted into the packing box. This kind of high pressure resistant packing structure cup joints the packing body on the surface of dwang, again with packing casting die cover at the surface of dwang, aim at the stopper with the spacing groove on packing casting die surface and insert, promote packing casting die this moment and push into the inside of packing box with the packing body, embolia round nut from the one end of dwang again, and screw up with the thread groove, follow round nut's gradual screw up, round nut's inner wall can extrude the packing casting die, make packing casting die gradually remove to the inside of packing box, the packing radical can be pressed deformation by packing casting die this moment, block up the gap between packing box and the packing body, can accomplish the installation to the packing body simply through this structure, the operation is easy and understandable, and can reach good sealed effect.
Description
Technical Field
The utility model relates to the technical field of sealing devices, in particular to a high-pressure-resistant packing structure.
Background
The packing is a main sealing form of valve rod sealing, is commonly graphite packing, is in an annular structure, has the advantages of good self-lubricity, corrosion resistance and the like due to the material characteristics of graphite, is relatively convenient to produce and install, is one of environment-friendly sealing packing with high cost performance at present, is widely applied to centrifugal pumps, compressors, vacuum pumps, mixers and sealing elements in various valve rods, and has extremely important influence on whether the device can normally operate.
The packing and the packing box disclosed by the patent number CN217080394U can provide a storage space for an oil-water mixture, so that the friction surface of the polish rod and the packing always has a good self-lubricating working state, the phenomenon of dry grinding is avoided, the abrasion of the polish rod and the packing is reduced, the service lives of the polish rod and the packing are prolonged, and the problem of frequent failure of the packing is solved; in addition, sealability can be enhanced.
However, the following problems still exist in the actual use process:
(1) The existing packing is high in difficulty in installation, and the packing needs to be installed for a long time, so that the production period and delivery time are prolonged, and the packing installation quality is unstable due to the excessively high installation difficulty, so that the stability and reliability of equipment are affected.
(2) The packing material needs to withstand high voltage because in electrical equipment and electrical equipment, it is often necessary to transmit high voltage electrical energy, which can cause huge electric field and voltage stress to the material, and existing packing materials are easily damaged and fail.
Therefore, the utility model provides a high-pressure-resistant packing structure.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a high-pressure-resistant packing structure, which has the advantages of simple installation, wear resistance and high pressure resistance and solves the problems in the prior art.
The utility model provides the following technical scheme: the utility model provides a high pressure resistant packing structure, includes the packing box, the screw thread groove has been seted up on the one end surface of packing box, the dwang has been pegged graft to the inside of packing box, round nut has been cup jointed to the one end of packing box, round nut's inner wall and the inside threaded connection of screw thread groove, the inside of packing box is provided with the packing body, the inner wall of packing body and the laminating of the surface of dwang, the packing casting die has been pegged graft to the one end of packing box, the one end and the one end butt of packing box of packing casting die, the other end and the interior top butt of round nut of packing casting die, the inboard of packing casting die and the laminating of the surface of dwang.
Preferably, the packing box comprises an outer layer, an insulating layer, a conductive layer, a protective layer and an inner layer, wherein the outer layer is made of silicone rubber, the insulating layer is made of fluoroplastic, the conductive layer is made of copper foil, the protective layer is made of silver foil, and the inner layer is made of polyimide.
Preferably, a limiting block is fixedly connected to the inner side of one end of the packing box, a limiting groove is formed in the surface of the packing pressing piece, and the type of the limiting groove is matched with that of the limiting block.
Preferably, one end of the packing box, which is far away from the round nut, is sleeved with a sleeve, and a cavity is formed in the sleeve.
Preferably, an anti-deflection cylinder is fixedly connected in the sleeve, and the inner part of the anti-deflection cylinder is attached to the surface of the rotating rod.
Preferably, the surface of the anti-deflection cylinder is fixedly connected with an annular block, and the surface of the annular block is in sliding connection with the inside of the cavity.
Compared with the prior art, the utility model has the following beneficial effects:
1. this kind of high pressure resistant packing structure, through being provided with the packing box, packing casting die, round nut and spacing groove, cup joint the packing body at the surface of dwang, again with packing casting die cover at the surface of dwang, it inserts the stopper to aim at the spacing groove on packing casting die surface, promote packing casting die this moment and push into the inside of packing box with the packing body, embolia round nut from the one end of dwang again, and screw up with the screw thread groove, with round nut's gradual tightening, round nut's inner wall can extrude the packing casting die, make packing casting die gradually to the inside removal of packing box, the packing casting die can be pressed deformation by packing casting die this moment, block up the gap between packing box and the packing body, can accomplish the installation to the packing body simply through this structure, easy operation is understandable, and can reach good sealed effect, the one end of dwang inserts the inside at the anti-deflection section of thick bamboo, the through-hole in the middle of messenger's chamber keeps keeping with the through-hole of packing box in alignment all the time, can prevent to produce the packing box and offset when moving with the packing body when having avoided the spacing effect of annular piece and cavity, thereby the friction coefficient of the packing body is prolonged and the wear factor of the packing body has been reduced.
2. This kind of high pressure resistant packing structure through being provided with skin, insulating layer, conducting layer and protective layer, and silicone rubber has good high temperature resistance and chemical resistance, makes the packing body can bear higher temperature and the chemical reaction under the high pressure, and fluoroplastic has excellent high pressure resistance and insulating properties, makes the insulating layer can effectively keep apart the electric charge between high pressure and the other materials, and copper foil and silver foil have good electric conductivity, can effectively gradually transmit high voltage electric charge, and the stability of protection packing body in high voltage charge environment use, polyimide has high strength, high temperature and high chemical stability, makes the packing body can bear the power and the temperature under the high pressure, has excellent insulating properties simultaneously, can prevent that high voltage electric charge from leaking.
Drawings
FIG. 1 is a schematic diagram of a structural body of the present utility model;
FIG. 2 is a schematic view of the packing box of the present utility model in a disassembled configuration;
FIG. 3 is a schematic cross-sectional view of the main body of the present utility model;
fig. 4 is a schematic view of the packing body structure of the present utility model.
In the figure: 1. a packing box; 2. a round nut; 3. a rotating lever; 4. a sleeve; 5. a thread groove; 6. a limiting block; 7. packing press; 8. a limit groove; 9. a packing body; 10. an anti-deviation cylinder; 11. an annular block; 12. a cavity; 13. an outer layer; 14. an insulating layer; 15. a conductive layer; 16. a protective layer; 17. an inner layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Please refer to fig. 1-4, a high pressure resistant packing structure, including packing box 1, screw thread groove 5 has been seted up on the one end surface of packing box 1, round nut 2 has been cup jointed to the one end of packing box 1, round nut 2's inner wall and screw thread groove 5's internal thread connection, packing box 1's inside is provided with packing body 9, packing body 9's inner wall and the laminating of the surface of dwang 3, packing box 1's one end grafting has packing casting 7, packing casting 7's one end and packing box 1's one end butt, packing casting 7's the other end and round nut 2's interior top butt, packing casting 7's inboard and the laminating of the surface of dwang 3, cup joint packing body 9 at the surface of dwang 3, again with packing casting 7 cover at the surface of dwang 3, spacing groove 8 with packing casting 7 surface is aimed at stopper 6 and is inserted, packing casting 7 is with packing body 9 push into packing body 1's inside, again with packing casting 2 follow the surface of dwang 3, and the packing casting 5 is realized to the seal groove 5, can be gradually the seal effect that can be realized with the packing casting 9 along with the extrusion that the one end is easy to the inside of packing box 1, can be realized gradually the extrusion effect of the packing casting 9, the packing casting 1 is easy to the inside of the packing box is realized, the packing casting 9 is easy to the extrusion groove 1.
Wherein; the packing box 1 comprises an outer layer 13, an insulating layer 14, a conductive layer 15, a protective layer 16 and an inner layer 17, wherein the outer layer 13 is made of silicon rubber, the insulating layer 14 is made of fluoroplastic, the conductive layer 15 is made of copper foil, the protective layer 16 is made of silver foil, the inner layer 17 is made of polyimide, the silicon rubber has good high temperature resistance and chemical corrosion resistance, the packing body 9 can bear high temperature and chemical reaction under high pressure, the fluoroplastic has excellent high pressure resistance and insulating property, the insulating layer 14 can effectively isolate charges between high pressure and other materials, the copper foil and the silver foil have good conductive property, high-voltage charges can be effectively transferred step by step, the packing body 9 is protected from being used in a high-voltage charge environment, the polyimide has high strength, high temperature and high chemical stability, the packing body 9 can bear high-pressure force and temperature, meanwhile, the fluoroplastic has excellent insulating property and high-voltage charge leakage can be prevented.
Wherein; one end inboard fixedly connected with stopper 6 of packing box 1, stop slot 8 has been seted up on the surface of packing casting die 7, and the model of stop slot 8 is identical with stopper 6, and stop slot 8 can make packing casting die 7 reciprocate in packing box 1 inside, can not take place the skew about.
Wherein; the packing box 1 is far away from the one end of circular nut 2 and has cup jointed sleeve 4, and cavity 12 has been seted up to the inside of sleeve 4.
Wherein; the inside fixedly connected with of sleeve 4 prevents inclined to one side section of thick bamboo 10, the inside of inclined to one side section of thick bamboo 10 and the surface laminating of dwang 3, the inside at inclined to one side section of thick bamboo 10 is inserted to the one end of dwang 3, prevent inclined to one side section of thick bamboo 10 makes the through-hole in the middle of cavity 12 keep aligning with the through-hole of packing box 1 all the time under the spacing effect of annular piece 11 and cavity 12, can prevent to produce the skew when packing box 1 rotates and removes, avoided leading to the packing box 1 to increase with the frictional coefficient on packing body 9 surface because of the skew, thereby reduced the wearing and tearing to packing body 9, the life of extension packing body 9.
Wherein; the surface of the anti-deflection cylinder 10 is fixedly connected with an annular block 11, and the surface of the annular block 11 is in sliding connection with the inside of the cavity 12.
In summary, in use, the packing body 9 is sleeved on the surface of the rotating rod 3, the packing pressing piece 7 is sleeved on the surface of the rotating rod 3, the limiting groove 8 on the surface of the packing pressing piece 7 is aligned with the limiting block 6, the packing pressing piece 7 is pushed to push the packing body 9 into the packing box 1, the round nut 2 is sleeved from one end of the rotating rod 3 and screwed with the thread groove 5, the inner wall of the round nut 2 can squeeze the packing pressing piece 7 along with gradual screwing of the round nut 2, the packing pressing piece 7 can gradually move towards the inside of the packing box 1, at this time, the packing body 9 can be squeezed and deformed by the packing pressing piece 7 to block a gap between the packing box 1 and the packing body 9, meanwhile, one end of the rotating rod 3 is inserted into the inside of the anti-bias cylinder 10, the through hole in the middle of the hollow cavity 12 is always aligned with the through hole of the packing box 1 under the limiting effect of the annular block 11 and the hollow cavity 12, deflection can be prevented from being generated when the packing box 1 rotates and moves, and the friction coefficient of the packing box 1 is prevented from being increased, and the friction coefficient of the packing box 9 is prevented from being increased.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a high pressure resistant packing structure, includes packing box (1), its characterized in that: the utility model discloses a packing box, including packing box (1), round nut (2), screw thread groove (5) have been seted up on the one end surface of packing box (1), round nut (2) have been cup jointed to the inside of packing box (1), the inner wall of round nut (2) and the inside threaded connection of screw thread groove (5), the inside of packing box (1) is provided with packing body (9), the inner wall of packing body (9) and the surface laminating of dwang (3), packing casting die (7) have been pegged graft to the one end of packing box (1), the one end butt of packing casting die (7) and the one end butt of packing box (1), the other end of packing casting die (7) and the interior top butt of round nut (2), the inboard of packing casting die (7) and the surface laminating of dwang (3), the one end inboard fixedly connected with stopper (6) of packing casting die (7), spacing groove (8) have been seted up on the surface of packing casting die (7), spacing groove (8) and the model that is identical.
2. A high pressure resistant packing structure according to claim 1, wherein: the packing box is characterized in that the packing box (1) comprises an outer layer (13), an insulating layer (14), a conductive layer (15), a protective layer (16) and an inner layer (17), wherein the outer layer (13) is made of silicone rubber, the insulating layer (14) is made of fluoroplastic, the conductive layer (15) is made of copper foil, the protective layer (16) is made of silver foil, and the inner layer (17) is made of polyimide.
3. A high pressure resistant packing structure according to claim 1, wherein: the packing box (1) is far away from one end of the round nut (2) and is sleeved with a sleeve (4), and a cavity (12) is formed in the sleeve (4).
4. A high pressure resistant packing structure according to claim 3, wherein: the inside fixedly connected with of sleeve (4) prevents inclined to one side section of thick bamboo (10), the inside of inclined to one side section of thick bamboo (10) is laminated with the surface of dwang (3).
5. The high pressure resistant packing structure of claim 4, wherein: the surface of the anti-deflection cylinder (10) is fixedly connected with an annular block (11), and the surface of the annular block (11) is in sliding connection with the inside of the cavity (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321357108.7U CN219954441U (en) | 2023-05-31 | 2023-05-31 | High-pressure-resistant packing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321357108.7U CN219954441U (en) | 2023-05-31 | 2023-05-31 | High-pressure-resistant packing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219954441U true CN219954441U (en) | 2023-11-03 |
Family
ID=88534755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321357108.7U Active CN219954441U (en) | 2023-05-31 | 2023-05-31 | High-pressure-resistant packing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219954441U (en) |
-
2023
- 2023-05-31 CN CN202321357108.7U patent/CN219954441U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |