CN117167482A - High-temperature anti-static sealing combined suite - Google Patents

High-temperature anti-static sealing combined suite Download PDF

Info

Publication number
CN117167482A
CN117167482A CN202311335058.7A CN202311335058A CN117167482A CN 117167482 A CN117167482 A CN 117167482A CN 202311335058 A CN202311335058 A CN 202311335058A CN 117167482 A CN117167482 A CN 117167482A
Authority
CN
China
Prior art keywords
sealing
assembly
seal
conical
seal assembly
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.)
Pending
Application number
CN202311335058.7A
Other languages
Chinese (zh)
Inventor
刘薄冰
武帅帅
陈家旗
闫泽禹
刘书豪
董博仁
刘勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xianyang Xihua Rubber Co ltd
Original Assignee
Xianyang Xihua Rubber Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xianyang Xihua Rubber Co ltd filed Critical Xianyang Xihua Rubber Co ltd
Priority to CN202311335058.7A priority Critical patent/CN117167482A/en
Publication of CN117167482A publication Critical patent/CN117167482A/en
Pending legal-status Critical Current

Links

Landscapes

  • Gasket Seals (AREA)

Abstract

The utility model provides a high temperature antistatic seal combination external member, make seal assembly and lower seal assembly outer seal anchor ring be respectively with the conical surface of balanced axle housing upper port interior taper hole wall and lower port interior taper hole wall adaptation, seal assembly and lower seal assembly pass through seal connection subassembly removable tensioning and link firmly as an organic wholely to make seal assembly and lower seal assembly outer seal anchor ring hug closely balanced axle housing upper and lower both ends interior taper hole wall respectively and seal. According to the invention, 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

High-temperature anti-static sealing combined suite
Technical Field
The invention belongs to the technical field of balance shaft shells, and particularly relates to a high-temperature anti-static sealing combination sleeve.
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 Invention
The invention solves the technical problems that: the utility model provides a high temperature antistatic seal combination external member, through set up respectively at balanced axle housing upper port and lower port with its interior taper hole adaptation go up seal assembly and seal assembly down, and seal assembly will go up seal assembly and seal assembly detachable tensioning as an organic whole down by seal connection assembly, make seal assembly and seal assembly outer seal ring face down hug closely balanced axle housing upper and lower both ends mouth respectively and seal up, prevent effectively that balanced axle housing from in pretreatment process phosphating solution and electrophoresis lacquer infiltration are its inside and pollute balanced axle housing inner chamber, guarantee life, simultaneously can avoid balanced axle housing inner chamber because of oozing lacquer secondary polishing treatment again, production efficiency and appearance quality are improved, reduce processing cost.
The invention adopts the technical scheme that: the high-temperature antistatic sealing combination sleeve comprises an upper sealing assembly and a lower sealing assembly, wherein an inner hole of a balance shaft shell is an inner conical hole with gradually increased hole diameters in the direction of an upper port and a lower port in the middle of the inner hole, the outer sealing ring surfaces of the upper sealing assembly and the lower sealing assembly are conical surfaces matched with the inner conical hole walls of the upper port and the inner conical hole walls of the lower port of the balance shaft shell respectively, the upper sealing assembly and the lower sealing assembly are detachably tensioned and fixedly connected into a whole through a 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 shell.
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 invention 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 invention;
FIG. 2 is a schematic view of a seal ring according to the present invention.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1-2 of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
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.
1-2, the high-temperature antistatic sealing combined kit comprises an upper sealing assembly 1 and a lower sealing assembly 2, wherein the inner hole of a balance shaft shell 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 shell 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 adhered to the inner conical hole walls of the upper port and the lower port of the balance shaft shell 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 invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention 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 invention 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. High temperature antistatic seal combination external member, its characterized in that: including last seal assembly (1) and lower seal assembly (2), the hole of balanced axle housing (3) is the inside cone hole that port direction aperture increases gradually from top to bottom in the middle part, go up seal assembly (1) and lower seal assembly (2) external seal anchor ring and be respectively with the elasticity conical surface of balanced axle housing (3) inside cone hole wall and the inside cone hole wall adaptation of port down, seal assembly (2) up end middle part is fixed with the seal connection subassembly as an organic whole with last seal assembly (1) middle part detachable, and go up seal assembly (1) and seal assembly (2) down and pass through seal connection subassembly detachable taut as an organic whole that links firmly to make seal assembly (1) and seal assembly (2) external seal anchor ring hug closely balanced axle housing (3) both ends inside cone hole wall seal respectively.
2. The high temperature antistatic sealing combination kit according to 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 combination kit according to claim 2, wherein: the sealing gasket (5) is a fluororubber flat gasket.
4. The high temperature antistatic sealing kit 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 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 of claim 5, wherein: and the sealing ring (8) is formed by adopting silicon rubber through hot vulcanization.
CN202311335058.7A 2023-10-16 2023-10-16 High-temperature anti-static sealing combined suite Pending CN117167482A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311335058.7A CN117167482A (en) 2023-10-16 2023-10-16 High-temperature anti-static sealing combined suite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311335058.7A CN117167482A (en) 2023-10-16 2023-10-16 High-temperature anti-static sealing combined suite

Publications (1)

Publication Number Publication Date
CN117167482A true CN117167482A (en) 2023-12-05

Family

ID=88935607

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311335058.7A Pending CN117167482A (en) 2023-10-16 2023-10-16 High-temperature anti-static sealing combined suite

Country Status (1)

Country Link
CN (1) CN117167482A (en)

Similar Documents

Publication Publication Date Title
CN203500748U (en) Conical expansion sealing plug
CN220816544U (en) High-temperature antistatic sealing combined sleeve for balance shaft housing
CN201400299Y (en) Floating dock sea-cock underwater sealing watertight device
CN212900234U (en) Municipal administration water supply and drainage pipeline connection structure
CN117167482A (en) High-temperature anti-static sealing combined suite
CN211289104U (en) Stainless steel flange convenient to installation
CN210830440U (en) Sealing gasket with tetrafluoro inner ring
CN208649706U (en) Use in washing machine water proof type dehydration plate
CN112524251B (en) Sealing strip with locking device and mounting method thereof
CN210290792U (en) Sealing structure of butterfly valve
CN207085866U (en) A kind of kettle cover of glue-making tank-reactor
CN218152580U (en) Flange gate valve of scalable installation
CN205823963U (en) A kind of sealing bearing
CN107524813B (en) Novel dish-shaped edge oil seal device
CN206861100U (en) A kind of pipeline connecting flange
CN212985823U (en) End cover of wheel bearing on bogie
CN215763294U (en) Novel mechanical seal for high-temperature drainage pump
CN214863443U (en) Enamel reactor negative pressure pipeline convenient to maintain and replace
CN216447284U (en) Sealing device for fastening inner hexagonal socket head cap screw
CN216799153U (en) Frameless natural gas filter element end cover
CN220102360U (en) Side explosion-proof hydraulic joint assembly
CN216158319U (en) Corrosion-resistant butterfly valve of dismantling
CN209836546U (en) Liquid flow dyeing machine
CN219139813U (en) Mechanical sealing device convenient to lubricate for reaction kettle
CN220600461U (en) Butt-clamping type metal hard sealing butterfly valve

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination