CN212804210U - Sealing structure of resin-based composite material oil tank interface - Google Patents
Sealing structure of resin-based composite material oil tank interface Download PDFInfo
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- CN212804210U CN212804210U CN202020684618.5U CN202020684618U CN212804210U CN 212804210 U CN212804210 U CN 212804210U CN 202020684618 U CN202020684618 U CN 202020684618U CN 212804210 U CN212804210 U CN 212804210U
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Abstract
The utility model discloses a seal structure of resin base combined material oil tank interface belongs to the sealed field of interface. A sealing structure of an oil tank interface made of resin-based composite materials comprises an oil tank interface, wherein an interface flange is arranged in the oil tank interface, and a sealing gasket is arranged between the end part of the interface flange and the oil tank interface; the extension section of interface flange is equipped with the screw thread, and the extension end of interface flange is equipped with lock nut, is equipped with seal ring between lock nut and the oil tank interface. The utility model discloses a seal structure of resin matrix combined material oil tank interface adopts lock nut to connect, and seal ring's introduction has guaranteed the gas tightness, and installation procedure is simple, and the installation effectiveness is high, the reliability is high, need not the curing time, and can play long-term use and guarantee sealing performance effect.
Description
Technical Field
The utility model belongs to the sealed field of interface, especially a seal structure of resin base combined material oil tank interface.
Background
The composite material, particularly the fiber reinforced resin matrix composite material, has excellent performances of high specific strength, corrosion resistance, salt mist resistance, good fatigue resistance, good shock absorption and the like, has the performances of strong designability, integrated molding of complex curved surfaces and the like, and can be mechanically connected, adhesively connected or mixed connected with other materials. The composite material has a simple molding process, and has unique advantages in the development and manufacture of special-shaped parts and small-batch part products; along with continuous development and improvement of reinforcing materials and base materials, the application of composite materials in the fields of aviation, energy, ships, buildings and the like is continuously expanded and extended, particularly along with the continuous promotion of vehicle lightweight and weapon equipment lightweight, the application of composite material products in civil vehicles, military vehicles and vehicle refitting is more and more extensive, and composite material oil tank products are continuously developed and used in military vehicles due to light weight, high strength and good environmental adaptability.
Besides storing oil, the composite oil tank needs to bear the pressure of the oil inside and needs to be communicated with the outside in various ways, including an oil inlet and outlet pipe interface, an oil filling port, a sensor interface, ventilation and an air pipe flange and the like. The interface flanges are all metal pieces, and the specification is standard interface size. The box and the interface flange piece of traditional oil tank select for use the metal material of the same kind of material, open the hole that corresponds on the oil tank after, carry out the full-sealing welding with box and interface flange through welding process, adopt ripe welding material and welding process, have guaranteed the joint strength and the leakproofness of oil tank and interface flange.
The composite material oil tank is characterized in that the tank body is made of fiber reinforced resin matrix composite materials, the interface flange is made of metal pieces, the composite materials are connected with the metal pieces in a gluing mode, and in order to guarantee the sealing performance of the oil tank, the lower surface of the metal interface flange and the surface of the composite material oil tank are glued by using a structural glue after a proper hole is formed in the composite material oil tank in a traditional mode. The bonding process is affected by the performance of bonding materials, the cleanliness of surface treatment and long-time temperature and humidity changes, the bonding strength and the sealing performance are affected, and once the bonded structural adhesive fails or is loosened due to overlarge stress, the leakage risk is great. The adhesive structure needs to increase the adhesive area, the adhesive area of the metal part is increased, the total weight of the whole product is increased, the appearance of the product is not attractive and compact, and the adhesive structure cannot be realized in a structure with a narrow space.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome and adopt the bonding when sealed, the colloid volatile is imitated and is caused the poor shortcoming of long-term leakproofness, provides a seal structure of resin base combined material oil tank interface.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
a sealing structure of an oil tank interface made of resin-based composite materials comprises an oil tank interface, wherein an interface flange is arranged in the oil tank interface, and a sealing gasket is arranged between the end part of the interface flange and the oil tank interface;
the extension section of interface flange is equipped with the screw thread, and the extension end of interface flange is equipped with lock nut, is equipped with seal ring between lock nut and the oil tank interface.
Furthermore, a groove for accommodating a sealing gasket is arranged at the end part of the interface flange.
Further, the cross section of the tail part of the locking nut is hexagonal.
Furthermore, the end face of the locking nut is a plane.
Further, the sealing washer is made of rubber.
Furthermore, the wall of the inner ring through hole of the sealing washer is an inclined plane from the middle to one end, and the aperture of the corresponding through hole is continuously enlarged from the middle to the end face.
Further, the interface flange is made of aluminum alloy or stainless steel.
Compared with the prior art, the utility model discloses following beneficial effect has:
the sealing structure of the resin-based composite material oil tank interface adopts the locking nut for connection, the introduction of the sealing washer ensures the air tightness, the installation process is simple, the installation efficiency is high, the reliability is high, the curing time is not needed, and the sealing structure can play a role of ensuring the sealing performance after long-term use; the locking structure of mechanical type need not to increase bonding area and causes product weight to increase, also can realize sealed in the narrow and small space of structure, and the suitability is strong, has realized the lightweight demand when sealed.
Furthermore, the groove of the interface flange is used for installing the sealing washer inside the groove to play a role in positioning, so that the sealing washer is prevented from moving, and the sealing effect is ensured.
Furthermore, the tail part of the locking nut is hexagonal, so that the operation of various tools is facilitated.
Furthermore, the end face of the locking nut is a plane, so that the contact area between the locking nut and the sealing washer can be increased, and the sealing effect is improved.
Furthermore, the inner hole of the sealing washer provides a deformation space for the sealing washer, so that the sealing washer can be deformed fully, and a better sealing effect is achieved.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a front view of the interface flange;
FIG. 4 is a bottom view of the interface flange;
FIG. 5 is a front view of the lock nut;
FIG. 6 is a bottom view of the lock nut;
FIG. 7 is a front view of the sealing gasket;
FIG. 8 is a three-dimensional view of a sealing gasket;
fig. 9 is a schematic structural diagram of an interface flange, wherein fig. 9(a), 9(B), and 9(C) are three different structures.
Wherein: 1-interface flange, 2-locking nut, 3-sealing washer and 4-oil tank interface.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The present invention will be described in further detail with reference to the accompanying drawings:
the utility model provides a resin base combined material oil tank interface seal structure, see figure 1 and figure 2, figure 1, figure 2 do respectively the utility model discloses a front view, plan view, interface flange 1 are installed in oil tank interface 4, are equipped with seal ring 3 between 1 terminal surface of interface flange and the oil tank interface 4, install lock nut 2 on the extension section of interface flange 1, also are equipped with seal ring 3 between lock nut 2 and the oil tank interface 4.
Referring to fig. 3 and 4, fig. 3 and 4 are front and bottom views, respectively, of an interface flange; the interface flange 1 can be processed into corresponding specification and size according to the form of an external port and is used for communicating an oil tank with the outside or installing equipment; the back of the interface flange 1 is provided with a groove for installing a sealing gasket 3 in the groove, so that a good sealing effect is achieved; the extension section of the interface flange 1 is provided with threads for matching and connecting with the locking nut 2, and the size of the threads can be selected according to actual conditions; the interface flange 1 is preferably an aluminum alloy or stainless steel.
Referring to fig. 5 and 6, fig. 5 and 6 are front and bottom views of the lock nut, respectively; the locking nut 2 locks the interface flange 1 on the composite material oil tank, the tail part is hexagonal, various tools can be conveniently operated, and the end surface is a circular plane so as to increase the contact area with the sealing washer 3 and increase the sealing effect; the specification of the locking nut 2 can be selected into different shapes and specifications according to different installation spaces and stress environments, and is consistent with the thread specification of the interface flange 1.
Referring to fig. 7 and 8, fig. 7 and 8 are a front view and a three-dimensional view, respectively, of a sealing gasket; the sealing washer 3 is made of rubber according to a sealed medium and an environment working condition, the size and the shape of the sealing washer 3 are calculated, the compression ratio is controlled within a reasonable range, the shape design is favorable for compression deformation, and the size specification of the sealing washer is consistent with the thread specification of the interface flange 1.
Referring to fig. 9, taking the style of the interface flange of fig. 9(a) as an example, when the sealing structure of the present invention is used, firstly, the sealing washer 3 is installed at the groove on the back of the interface flange 1, the inner ring gap of the sealing washer 3 faces downward, then, the interface flange 1 is integrally installed in the hole opened in the composite material oil tank, the sealing washer with the same specification is installed on the back, the inner ring gap faces upward, the locking nut 3 is screwed into the flange thread from the back, the coaxiality is ensured, the locking nut effectively compresses the sealing washer, and the purposes of locking and sealing can be achieved; the mounting of fig. 9(B) and 9(C) is similar to the above-described operation.
The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.
Claims (7)
1. A sealing structure of a resin-based composite material oil tank interface is characterized by comprising an oil tank interface (4), wherein an interface flange (1) is arranged in the oil tank interface (4), and a sealing gasket (3) is arranged between the end part of the interface flange (1) and the oil tank interface (4);
the extension section of interface flange (1) is equipped with the screw thread, and the extension end of interface flange (1) is equipped with lock nut (2), is equipped with between lock nut (2) and oil tank interface (4) seal ring (3).
2. The sealing structure of the resin-based composite material tank interface according to claim 1, wherein the interface flange (1) is provided with a groove at the end for accommodating a sealing gasket (3).
3. The sealing structure of the resin-based composite material tank port according to claim 1, wherein the cross section of the tail part of the lock nut (2) is hexagonal.
4. The sealing structure of the resin-based composite material tank interface according to claim 3, wherein the end face of the lock nut (2) is a plane.
5. The seal structure of a resin-based composite material tank interface according to claim 1, characterized in that the sealing gasket (3) is made of rubber.
6. The sealing structure of the resin-based composite material oil tank interface according to claim 1, wherein the inner ring through hole wall of the sealing washer (3) is an inclined surface from the middle to one end, and the corresponding through hole diameter is continuously enlarged from the middle to the end surface.
7. The sealing structure of the resin-based composite material tank port according to claim 1, wherein the port flange (1) is made of aluminum alloy or stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020684618.5U CN212804210U (en) | 2020-04-28 | 2020-04-28 | Sealing structure of resin-based composite material oil tank interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020684618.5U CN212804210U (en) | 2020-04-28 | 2020-04-28 | Sealing structure of resin-based composite material oil tank interface |
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| Publication Number | Publication Date |
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| CN212804210U true CN212804210U (en) | 2021-03-26 |
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| CN202020684618.5U Active CN212804210U (en) | 2020-04-28 | 2020-04-28 | Sealing structure of resin-based composite material oil tank interface |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114604353A (en) * | 2022-03-01 | 2022-06-10 | 西北工业大学 | Sealing reinforcing structure after opening of underwater composite pressure shell and application |
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2020
- 2020-04-28 CN CN202020684618.5U patent/CN212804210U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114604353A (en) * | 2022-03-01 | 2022-06-10 | 西北工业大学 | Sealing reinforcing structure after opening of underwater composite pressure shell and application |
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