CN220816544U - High-temperature antistatic sealing combined sleeve for balance shaft housing - Google Patents
High-temperature antistatic sealing combined sleeve for balance shaft housing Download PDFInfo
- Publication number
- CN220816544U CN220816544U CN202322767296.7U CN202322767296U CN220816544U CN 220816544 U CN220816544 U CN 220816544U CN 202322767296 U CN202322767296 U CN 202322767296U CN 220816544 U CN220816544 U CN 220816544U
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- sealing
- balance shaft
- assembly
- conical
- shaft housing
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- 238000007789 sealing Methods 0.000 title claims abstract description 173
- 229920001973 fluoroelastomer Polymers 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 238000004073 vulcanization Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- 239000003973 paint Substances 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005498 polishing Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000035515 penetration Effects 0.000 abstract 2
- 239000000243 solution Substances 0.000 description 6
- 230000006872 improvement Effects 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000001962 electrophoresis Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000004922 lacquer Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Pressure Vessels And Lids Thereof (AREA)
Abstract
The high-temperature antistatic sealing combination sleeve for the balance shaft housing is provided, so that the outer sealing ring surfaces of the upper sealing assembly and the lower sealing assembly are respectively conical surfaces matched with the inner conical hole wall of the upper port and the inner conical hole wall of the lower port of the balance shaft housing, the upper sealing assembly and the lower sealing assembly are detachably tensioned and fixedly connected into a whole through the sealing connection assembly, and the outer sealing ring surfaces of the upper sealing assembly and the lower sealing assembly are respectively tightly attached to the inner conical hole walls of the upper port and the lower port of the balance shaft housing. According to the utility model, the upper sealing component and the lower sealing component which are matched with the inner taper holes of the balance shaft shell are respectively arranged at the upper port and the lower port of the balance shaft shell, and under the connection effect of the sealing connection component, the outer sealing ring surfaces of the upper sealing component and the lower sealing component are respectively tightly adhered to the inner taper hole walls of the upper port and the lower port of the balance shaft shell to seal, so that the inner cavity of the balance shaft shell is prevented from being polluted due to the penetration of phosphating solution and electrophoretic paint into the balance shaft shell in the pretreatment process, the service life is ensured, the secondary polishing treatment of the inner cavity due to the paint penetration is avoided, the production efficiency and the appearance quality are improved, and the processing cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of balance shaft shells, and particularly relates to a high-temperature antistatic sealing combination sleeve for a balance shaft shell.
Background
In order to improve the service life and the appearance consistency of the heavy-duty car series balance shaft housing, the outer surface of the heavy-duty car series balance shaft housing is required to be subjected to electrophoretic paint treatment, and the specific steps are as follows: firstly, putting the balance shaft housing into a phosphating pool for surface rust removal and oil removal treatment, then putting the balance shaft housing into an electrophoresis pool for paint attachment treatment, and finally putting the balance shaft housing into a high-temperature hot drying tunnel at 230 ℃ for solidification and drying treatment; in the balance shaft housing treatment process, in order to prevent phosphating solution, electrophoretic paint and mixed solution of the phosphating solution and the electrophoretic paint from penetrating into the shaft housing to influence the service life of the balance shaft housing, so as to keep the inside of the shaft housing clean and pollution-free, a high-temperature-resistant and good-sealing-effect anti-static sealing combination sleeve member is required to be designed.
Disclosure of utility model
The utility model solves the technical problems that: the utility model provides a high temperature antistatic seal combination external member for balanced axle housing sets up respectively through last seal assembly and lower seal assembly rather than interior taper hole adaptation at balanced axle housing upper port and lower port to by seal connection subassembly with last seal assembly and lower seal assembly detachable tensioning link as an organic wholely, make last seal assembly and lower seal assembly outer seal ring face hug closely balanced axle housing upper and lower both ends interior taper hole wall seal respectively, effectively prevent balanced axle housing in pretreatment process phosphating solution and electrophoresis lacquer infiltration its inside and pollute balanced axle housing inner chamber, guarantee life, can avoid balanced axle housing inner chamber simultaneously because of oozing lacquer secondary polishing treatment again, improve production efficiency and appearance quality, reduce processing cost.
The utility model adopts the technical scheme that: the utility model provides a high temperature antistatic seal combination external member for balanced axle housing, includes seal assembly and lower seal assembly, and the hole of balanced axle housing is the middle part and upwards installs the interior cone hole that port direction aperture increases gradually from top to bottom, seal assembly and lower seal assembly external seal anchor ring be respectively with the cone surface of balanced axle housing upper port interior cone hole wall and lower port interior cone hole wall adaptation, seal assembly and lower seal assembly pass through seal connection assembly detachable tensioning and link firmly as an organic wholely to make seal assembly and lower seal assembly external seal anchor ring hug closely respectively and balance axle housing upper and lower both ends mouth interior cone hole wall seal.
The sealing connection assembly comprises a pull rod and a sealing gasket, the lower end of the pull rod is fixed in the middle of the upper end face of the lower sealing assembly, the upper end head of the pull rod is a screw head, the screw head at the upper end of the pull rod penetrates through a middle hole of the upper sealing assembly and is fixedly connected with a locking nut through threads, and the sealing gasket is sleeved at the upper end of the pull rod and is positioned between the locking nut and the upper sealing assembly and seals the combining position of the pull rod and the upper sealing assembly through the sealing gasket.
Further, the sealing gasket adopts a fluororubber flat gasket.
Further, the upper sealing component and the lower sealing component both comprise sealing plates and sealing rings, the sealing rings are of conical ring structures with the upper end diameter larger than the lower end diameter, conical grooves with the upper end groove diameter larger than the lower end groove diameter are formed in the inner ring surfaces of the sealing rings, the outer ring wall of each sealing plate is a conical ring surface with the upper end diameter larger than the lower end diameter, and the outer plate edges of the sealing plates are matched in the conical grooves; the middle part of the plate surface of the sealing plate in the upper sealing assembly is provided with a through hole for the upper end of a pull rod in the sealing connection assembly to pass through, and the lower end of the pull rod is fixed in the middle part of the upper plate surface of the sealing plate in the lower sealing assembly.
Further, an inner bulge protruding towards the notch direction is formed on the conical groove wall of the conical groove, an outer bulge protruding outwards is formed on the outer conical surface of the sealing ring, when the sealing connection assembly is used for fixedly connecting the upper sealing assembly with the lower sealing assembly in a pulling mode, the conical groove wall of the conical groove and the inner bulge are in abutting contact with the outer annular wall of the sealing plate, and the outer conical surface of the sealing ring and the outer bulge are in abutting sealing with the inner conical hole wall of the corresponding end of the balance shaft shell.
Further, the sealing ring is formed by thermal vulcanization of silicon rubber.
Compared with the prior art, the utility model has the advantages that:
1. According to the technical scheme, the upper port and the lower port of the balance shaft housing are respectively provided with the upper sealing assembly and the lower sealing assembly which are matched with the inner taper holes of the balance shaft housing, and the upper sealing assembly and the lower sealing assembly are detachably tensioned and fixedly connected into a whole by the sealing connecting assembly, so that the outer sealing ring surfaces of the upper sealing assembly and the lower sealing assembly are respectively tightly adhered to the inner taper hole walls of the upper port and the lower port of the balance shaft housing, the inner taper holes of the balance shaft housing are effectively prevented from being polluted by phosphating solution and electrophoretic paint penetrating into the inner taper holes of the balance shaft housing in the pretreatment process of the balance shaft housing, and the service life is ensured;
2. according to the technical scheme, a split type assembly structure is adopted, a conical groove on the inner ring surface of the sealing ring and the outer edge of the sealing plate are in splicing fit, and under the action force of tensioning the two sealing plates by the pull rod, the sealing of the sealing ring and the inner hole of the balance shaft housing can be realized, the sealing ring and the sealing plate are not required to be vulcanized into a whole by heat, and the installation and the replacement are convenient;
3. The technical scheme has the advantages of simple structure, novel design, convenient and reliable use, effective prevention of secondary polishing treatment of the inner cavity of the balance shaft housing due to paint seepage, production efficiency improvement, appearance quality improvement and processing cost reduction.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a seal ring according to the present utility model.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1-2 of the embodiments of the present utility model, and it is obvious that the described embodiments 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.
It should be noted that, in this document, 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. Without further limitation. The inclusion of an element as defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
The high-temperature antistatic sealing combined sleeve for the balance shaft housing is shown in fig. 1-2, and comprises an upper sealing assembly 1 and a lower sealing assembly 2, wherein an inner hole of the balance shaft housing 3 is an inner conical hole with the middle part gradually increasing in the direction of an upper port and a lower port, the outer sealing ring surfaces of the upper sealing assembly 1 and the lower sealing assembly 2 are conical surfaces matched with the inner conical hole wall of the upper port and the inner conical hole wall of the lower port of the balance shaft housing 3 respectively, the upper sealing assembly 1 and the lower sealing assembly 2 are detachably tensioned and fixedly connected into a whole through a sealing connecting assembly, and the outer sealing ring surfaces of the upper sealing assembly 1 and the lower sealing assembly 2 are respectively tightly sealed by the inner conical hole walls of the upper port and the lower port of the balance shaft housing 3; in the structure, the upper port and the lower port of the balance shaft housing 3 are respectively provided with the upper sealing component 1 and the lower sealing component 2 which are matched with the inner taper holes of the balance shaft housing, and the upper sealing component 1 and the lower sealing component 2 are detachably tensioned and fixedly connected into a whole by the sealing connecting component, so that the outer sealing ring surfaces of the upper sealing component 1 and the lower sealing component 2 are respectively tightly adhered to the inner taper hole walls of the upper port and the lower port of the balance shaft housing 3, the inner cavity of the balance shaft housing 3 is effectively prevented from being polluted by phosphating solution and electrophoretic paint penetrating into the inner cavity of the balance shaft housing 3 in the pretreatment process, and the service life is ensured;
The specific structure of the sealing connection component is as follows: the sealing connection assembly comprises a pull rod 4 and a sealing gasket 5, wherein the lower end of the pull rod 4 is fixed in the middle of the upper end face of the lower sealing assembly 2, the upper end of the pull rod 4 is provided with a screw head, the screw head at the upper end of the pull rod 4 penetrates out of a hole in the middle of the upper sealing assembly 1 and is fixedly connected with a locking nut 6 through threads, and the sealing gasket 5 is sleeved at the upper end of the pull rod 4 and is positioned between the locking nut 6 and the upper sealing assembly 1 and seals the combination position of the pull rod 4 and the upper sealing assembly 1 through the sealing gasket 5; specifically, the sealing gasket 5 adopts a fluororubber flat gasket, can withstand 250 DEG high temperature and is antistatic.
The specific structure of the upper seal assembly 1 and the lower seal assembly 2 is as follows: the upper sealing assembly 1 and the lower sealing assembly 2 both comprise a sealing plate 7 and a sealing ring 8, the sealing ring 8 is of a conical ring structure with the upper end diameter larger than the lower end diameter, a conical groove 9 with the upper end groove diameter larger than the lower end groove diameter is formed in the inner ring surface of the sealing ring 8, the outer ring wall of the sealing plate 7 is a conical ring surface with the upper end diameter larger than the lower end diameter, and the outer plate edge of the sealing plate 7 is fit in the conical groove 9; the middle part of the plate surface of the sealing plate 7 in the upper sealing assembly 1 is provided with a through hole for the upper end of the pull rod 4 in the sealing connection assembly to pass through, and the lower end of the pull rod 4 is fixed in the middle part of the upper plate surface of the sealing plate 7 in the lower sealing assembly 2; in the structure, a split type assembly structure is adopted, and the sealing of the sealing ring and the inner hole of the balance shaft shell can be realized under the action force of tensioning the two sealing plates by the pull rod by utilizing the structure of splicing and adapting the conical groove on the inner ring surface of the sealing ring and the outer edge of the sealing plate, so that the sealing ring and the sealing plate are not required to be vulcanized into a whole by heat, and the installation and the replacement are convenient; the sealing plate 7 is made of 316L stainless steel material, and is high in corrosion resistance and non-deformable at high temperature.
Wherein, the conical groove wall of the conical groove 9 is provided with an inner bulge 10 protruding towards the groove opening direction, the outer conical surface of the sealing ring 8 is provided with an outer bulge 11 protruding outwards, when the sealing connecting component pulls and fastens the upper sealing component 1 and the lower sealing component 2, the conical groove wall of the conical groove 9 and the inner bulge 10 are in tight contact with the outer annular wall of the sealing plate 7, and the outer conical surface of the sealing ring 8 and the outer bulge 11 are tightly sealed with the inner conical hole wall of the corresponding end of the balance shaft housing 3; specifically, the sealing ring 8 is formed by adopting silicone rubber through hot vulcanization, and can resist high temperature of 250 degrees and prevent static.
On the premise that the conical groove wall of the conical groove 9 is in contact sealing with the outer annular wall of the sealing plate 7, an inner protrusion 10 is arranged on the sealing ring 8 and is in contact with the outer annular wall of the sealing plate 7 in a propping way, so that double-line sealing is formed, and the sealing effect is improved; similarly, on the premise that the outer conical surface of the sealing ring 8 is in contact sealing with the inner conical hole wall of the corresponding end of the balance shaft housing 3, the outer bulge 11 and the inner conical hole wall of the corresponding end of the balance shaft housing 3 are in tight sealing to form double-line sealing, and the sealing effect is further improved.
The technical scheme has the advantages of simple structure, novel design, convenient and reliable use, effective prevention of secondary polishing treatment of the inner cavity of the balance shaft housing 3 due to paint seepage, production efficiency improvement, appearance quality improvement and processing cost reduction.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. A high temperature antistatic seal combination external member for balanced axle housing, its characterized in that: the inner hole of the balance shaft housing (3) is an inner conical hole with the middle part gradually increasing in the direction of the upper port and the lower port, the outer sealing ring surfaces of the upper sealing assembly (1) and the lower sealing assembly (2) are conical surfaces matched with the inner conical hole wall of the upper port and the inner conical hole wall of the lower port of the balance shaft housing (3), the upper sealing assembly (1) and the lower sealing assembly (2) are detachably and fixedly connected into a whole through a sealing connection assembly, and the outer sealing ring surfaces of the upper sealing assembly (1) and the lower sealing assembly (2) are respectively tightly attached to the inner conical hole walls of the upper port and the lower port of the balance shaft housing (3).
2. The high temperature antistatic seal combination kit for a balance shaft housing of claim 1, wherein: the sealing connection assembly comprises a pull rod (4) and a sealing gasket (5), wherein the lower end of the pull rod (4) is fixed in the middle of the upper end face of the lower sealing assembly (2), the upper end of the pull rod (4) is a screw head, the screw head at the upper end of the pull rod (4) penetrates out of a middle hole of the upper sealing assembly (1) and is fixedly connected with a locking nut (6) through threads, the sealing gasket (5) is sleeved at the upper end of the pull rod (4) and is positioned between the locking nut (6) and the upper sealing assembly (1), and the joint position of the pull rod (4) and the upper sealing assembly (1) is sealed through the sealing gasket (5).
3. The high temperature antistatic sealing kit for a balance shaft housing of claim 2, wherein: the sealing gasket (5) is a fluororubber flat gasket.
4. A high temperature antistatic seal combination kit for balancing shaft housings according to claim 1 or 2 or 3, wherein: the upper sealing assembly (1) and the lower sealing assembly (2) comprise sealing plates (7) and sealing rings (8), the sealing rings (8) are of conical ring structures with the upper end diameter larger than the lower end diameter, conical grooves (9) with the upper end groove diameter larger than the lower end groove diameter are formed in the inner ring surface of each sealing ring (8), the outer ring wall of each sealing plate (7) is a conical ring surface with the upper end diameter larger than the lower end diameter, and the outer plate edges of the sealing plates (7) are fit into the conical grooves (9); the middle part of the plate surface of the sealing plate (7) in the upper sealing assembly (1) is provided with a through hole for the upper end of the pull rod (4) in the sealing connection assembly to pass through, and the lower end of the pull rod (4) is fixed in the middle part of the upper panel of the sealing plate (7) in the lower sealing assembly (2).
5. The high temperature antistatic seal combination kit for a balance shaft housing of claim 4, wherein: the conical groove wall of the conical groove (9) is provided with an inner bulge (10) protruding towards the groove opening direction, the outer conical surface of the sealing ring (8) is provided with an outer bulge (11) protruding outwards, and when the sealing connection assembly pulls and fastens the upper sealing assembly (1) and the lower sealing assembly (2), the conical groove wall of the conical groove (9) and the inner bulge (10) are in tight contact with the outer annular wall of the sealing plate (7), and the outer conical surface of the sealing ring (8) and the inner conical wall of the corresponding end of the balance shaft housing (3) are tightly sealed.
6. The high temperature antistatic seal combination kit for a balance shaft housing of claim 5, wherein: and the sealing ring (8) is formed by adopting silicon rubber through hot vulcanization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322767296.7U CN220816544U (en) | 2023-10-16 | 2023-10-16 | High-temperature antistatic sealing combined sleeve for balance shaft housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322767296.7U CN220816544U (en) | 2023-10-16 | 2023-10-16 | High-temperature antistatic sealing combined sleeve for balance shaft housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220816544U true CN220816544U (en) | 2024-04-19 |
Family
ID=90711611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322767296.7U Active CN220816544U (en) | 2023-10-16 | 2023-10-16 | High-temperature antistatic sealing combined sleeve for balance shaft housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220816544U (en) |
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2023
- 2023-10-16 CN CN202322767296.7U patent/CN220816544U/en active Active
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