CN217495831U - Novel mechanical sealing oiling head - Google Patents
Novel mechanical sealing oiling head Download PDFInfo
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- CN217495831U CN217495831U CN202221329781.5U CN202221329781U CN217495831U CN 217495831 U CN217495831 U CN 217495831U CN 202221329781 U CN202221329781 U CN 202221329781U CN 217495831 U CN217495831 U CN 217495831U
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- sleeve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model discloses a novel mechanical sealing oiling head.A filling port envelope is provided with an L-shaped boss at the inner side of the bottom end and a hollow channel inside; the bottom of the threaded sleeve is arranged on the outer side of the top of the filling port sealing sleeve and is sealed with a hand piece through an O-shaped ring; the compression sealing ring is arranged inside the filling port envelope and is positioned on the L-shaped boss; the compression sealing ring is arranged at the bottom end of the filling port envelope through a screw; the check valve assembly is arranged on one side of the interior of the filler neck sleeve and is used for balancing the pressure in the filler pipe; the exhaust valve assembly is arranged on one side of the outer portion of the filling port sealing sleeve and used for balancing the pressure in the fuel tank and avoiding the phenomena of back spraying and splashing when the fuel gun is pulled out. The mechanical sealing oil filling head of the utility model achieves the purpose of pressure relief in the oil filling process and in the gun pulling process; in addition, the stroke of contact friction between the compression sealing ring and the gun when the gun is inserted every time is reduced, the abrasion degree is reduced, and the service life is prolonged.
Description
Technical Field
The utility model relates to an add oil pipe technical field, especially relate to a novel mechanical type seals and refuels oral.
Background
The mechanical seal is a mechanical seal, and adopts a solid structure such as a seal ring and the like to realize a mechanical structure for isolating the inside of the fuel tank from the environment in the refueling process of the fuel system. The traditional liquid seal structure is difficult to meet the normal refueling requirement under the actual condition of short refueling pipe and lower refueling pipe opening height, and the mechanical seal structure is required to meet the realization of the function at the moment. The mechanical seal is generally suitable for fuel oil systems of pick-up trucks, light goods, minivans and partial small passenger cars, the demand of the type of the fuel oil vehicles is in a trend of steadily increasing in recent years, and the specific gravity of the type of the fuel oil vehicles still keeps stable due to the stability and the applicability of the fuel oil systems. However, at present, the contact friction stroke of the compressed sealing ring is long when the gun is inserted every time, namely the contact friction stroke is about 7.2cm (when the gun is inserted every time), the abrasion degree is large, and the service life is short; in addition, when oil is added, the pressure in the oil tank is too high, and the pressure cannot be released in time; in the process of refueling or after refueling, the internal pressure of a fuel system is overlarge due to unsmooth exhaust of a valve body in the fuel tank, so that the phenomena of back spray and splashing are easy to occur when a gun is pulled out, and the problem of no gun jump during refueling exists.
SUMMERY OF THE UTILITY MODEL
In view of the above-described deficiencies or inadequacies in the prior art, it would be desirable to provide a new mechanically sealed filler head.
The utility model provides a novel mechanical sealing oiling head, which comprises an oiling opening sealing sleeve, a thread bush, a compression sealing ring, a check valve component and an exhaust valve component; wherein the content of the first and second substances,
the inner side of the bottom end of the filler neck sleeve is provided with an L-shaped boss, a hollow channel is arranged in the filler neck sleeve corresponding to a gun nozzle of the oil gun, and the caliber of the hollow channel is gradually reduced from the top end to the bottom end, so that the trend of the oil gun is convenient to control;
the bottom of the threaded sleeve is arranged on the outer side of the top of the filling port sealing sleeve and is sealed with a hand piece through an O-shaped ring;
the compression sealing ring is arranged inside the filling port sealing sleeve and positioned on the L-shaped boss, and the outer diameter of the compression sealing ring is in interference fit with the inner diameter of the L-shaped boss to achieve a sealing effect;
the compression sealing ring is arranged in a convex manner and is arranged at the bottom end of the filling port envelope through a screw, the top end of the compression sealing ring is abutted against the inner wall surface of the compression sealing ring, and the compression sealing ring is fixed between the L-shaped boss and the compression sealing ring;
the check valve assembly is arranged on one side inside the filling port sealing sleeve and used for balancing the pressure inside the filling pipe;
the exhaust valve assembly is arranged on one side of the outer portion of the filling port sealing sleeve and used for balancing the pressure in the fuel tank, avoiding the phenomena of back spraying and splashing when a refueling gun is pulled out and avoiding the failure risk that the refueling gun does not jump.
Preferably, an exhaust channel is arranged on the outer side wall surface of the filling port envelope, and the exhaust channel is arranged in parallel to the hollow channel; the interior of the exhaust channel is communicated with the hollow channel, and the inner annular wall surface of the port at the bottom end of the exhaust channel is a conical surface; and one side of the outer side wall surface of the filling port sealing sleeve is provided with an exhaust hole which is communicated with the inner part and the outer part of the filling port sealing sleeve.
Preferably, the check valve assembly comprises a support arranged in the exhaust passage, a sliding passage is fixedly arranged at the bottom end of the support, a sliding column is slidably arranged in the sliding passage, and a conical blocking cap is fixedly arranged at one end, far away from the support, of the sliding column corresponding to the conical surface; a spring is arranged between the stop cap and the bracket and sleeved outside the sliding column and the sliding channel; one end of the spring is arranged on one side face, close to the support, of the blocking cap, and the other end of the spring is arranged on one side, close to the sliding channel, of the support and is located on the outer side of the sliding channel.
Preferably, the exhaust valve assembly comprises an L-shaped support plate, a rotating support plate and a top plate; wherein the content of the first and second substances,
the L-shaped support plate is fixedly arranged on the outer side wall surface of the filling port envelope and is positioned below the exhaust hole;
the rotary support plate is arranged on the L-shaped support plate, a strip-shaped through hole is formed in the plate surface of the rotary support plate corresponding to the L-shaped support plate, and a top plate of the L-shaped support plate can penetrate through the strip-shaped through hole, so that interference is avoided when the rotary support plate rotates; a rotating shaft is fixedly arranged on the rotating support plate and positioned at the inner side of the strip-shaped through hole, and the rotating shaft is hinged to the inner side of the L-shaped support plate; one end of the rotating support plate is provided with an exhaust valve sealing gasket corresponding to the exhaust hole through a bolt assembly;
the top plate is arranged at one end, far away from the exhaust valve sealing gasket, of the rotary support plate through a rivet, the top plate is arranged to be L-shaped, one end, far away from the rotary support plate, of the top plate is arranged to be arc-shaped and overturned towards the outer side, and the top plate can be conveniently abutted to a gun nozzle of a fuel gun.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a novel mechanical type seals the head of refueling, through the exhaust valve subassembly that sets up, can pull out the process of fuel truck nozzle after refueling, can reduce the butt dynamics to the top plate in the process of the rifle mouth of fuel truck nozzle continuously outwards pulling out, thereby in the process that the top plate resets, the sealing performance between the exhaust valve sealing gasket and the exhaust hole of the rotatory extension board other end reduces gradually, reach the purpose of pressure release, avoided when pulling out the fuel truck nozzle the oil tank internal pressure too big but the situation emergence of back-spray, the splash that can't in time the pressure release causes again; in addition, in the process of refueling, when the pressure in the refueling pipe is overlarge and reaches a certain pressure, the sliding column can be driven to slide towards the direction close to the bracket along the sliding channel, so that the blocking cap is driven to be separated from the conical surface, and the pressure relief function is realized; additionally, the utility model discloses reduced at every turn when inserting the rifle with compression seal circle contact friction's stroke, reduced the degree of wear, improved life.
It should be understood that what is described in this summary section is not intended to limit key or critical features of embodiments of the invention, nor is it intended to limit the scope of the invention.
Other features of the present invention will become apparent from the following description.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
fig. 1 is a schematic structural view of a novel mechanical sealing oil filling head provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram illustrating an exploded view of a mechanically sealed fueling neck head provided in accordance with an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a cutaway view of a mechanical sealing refueling head provided by an embodiment of the present invention;
FIG. 4 is a schematic structural view of a mechanically sealed fuel filling head in cooperation with a fuel filling gun;
FIG. 5 is a schematic view of the mechanical seal of the fuel fill head assembly with the fuel tank cap;
reference numbers in the figures: 1. a filling port envelope; 2. a threaded sleeve; 3. compressing the sealing ring; 4. compressing the sealing ring; 5. a check valve assembly; 51. a support; 52. a slide channel; 53. a sliding post; 54. a blocking cap; 55. a spring; 6. a vent valve assembly; 61. an L-shaped support plate; 62. rotating the support plate; 63. a strip-shaped through hole; 64. a rotating shaft; 65. a bolt assembly; 66. a vent valve gasket; 67. a topsheet; 68. riveting; 7. an L-shaped boss; 8. a hollow channel; 9. an O-shaped ring; 10. a screw; 11. an exhaust passage; 12. a conical surface; 13. an exhaust hole; 14. a gun nozzle; 15 fuel tank cover.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 to 5, an embodiment of the present invention provides a novel mechanical sealing filler cap head, which includes a filler cap sleeve 1, a thread bushing 2, a compression sealing ring 3, a compression sealing ring 4, a check valve assembly 5 and a vent valve assembly 6; wherein, the first and the second end of the pipe are connected with each other,
the filling port envelope 1 is characterized in that an L-shaped boss 7 is arranged on the inner side of the bottom end of the filling port envelope 1, a hollow channel 8 is arranged in the filling port envelope corresponding to a gun nozzle 14 of a fuel gun, and the caliber of the hollow channel 8 is gradually reduced from the top end to the bottom end, so that the trend of the fuel gun is convenient to control;
the bottom of the threaded sleeve 2 is arranged on the outer side of the top of the filling port sealing sleeve 1 and is sealed with a hand piece through an O-shaped ring 9; a fuel cap 15 is arranged inside the threaded sleeve 2, and when fuel is required, the fuel cap 15 is removed and the nozzle 14 of the fuel gun is inserted through the filler neck cover 1 into the fuel tank.
The mechanical sealing refueling port head is assembled with a metal pipe of a hand piece by a customer, and the outside sealing performance is guaranteed after the threaded sleeve and the O-shaped ring on the outer side of the sealing sleeve of the refueling port are assembled with the metal pipe.
The compression sealing ring 3 is arranged inside the filling port sleeve 1 and is positioned on the L-shaped boss 7, and the outer diameter of the compression sealing ring 3 is in interference fit with the inner diameter of the L-shaped boss 7 to achieve a sealing effect;
the compression sealing ring 4 is arranged in a convex manner and is arranged at the bottom end of the filling port envelope 1 through a screw 10, the top end of the compression sealing ring 4 is abutted against the inner side wall surface of the compression sealing ring 3, and the compression sealing ring 3 is fixed between the L-shaped boss 7 and the compression sealing ring 4;
after the oil filling gun penetrates through the interior of the filling port sealing sleeve 1, the compression sealing ring 4, the compression sealing ring 3 and a gun nozzle 14 of the oil filling gun are completely clamped and sealed, and the sealing performance is good.
The check valve assembly 5 is arranged on one side of the interior of the filler neck sleeve 1 and is used for balancing the pressure in the filler pipe;
and the exhaust valve assembly 6 is arranged on one side of the outside of the filling port sleeve 1 and is used for balancing the pressure in the fuel tank, avoiding the phenomena of back spray and splashing when the refueling gun is pulled out and avoiding the failure risk that the refueling gun does not jump.
In a preferred embodiment, the outer side wall surface of the filler neck cover 1 is provided with an exhaust passage 11, the exhaust passage 11 being arranged parallel to the hollow passage 8; the interior of the exhaust channel 11 is communicated with the hollow channel 8, and the inner annular wall surface of the port at the bottom end of the exhaust channel 11 is a conical surface 12; one side of the outer wall surface of the filling port envelope 1 is provided with an exhaust hole 13, and the exhaust hole 13 is communicated with the inner part and the outer part of the filling port envelope 1.
In a preferred embodiment, the check valve assembly 5 includes a support 51 disposed inside the exhaust passage 11, a sliding passage 52 is fixedly disposed at a bottom end of the support 51, a sliding post 53 is slidably disposed inside the sliding passage 52, and a tapered stop cap 54 is fixedly disposed at an end of the sliding post 53 away from the support 51 corresponding to the tapered surface 12; a spring 55 is arranged between the blocking cap 54 and the bracket 51 and sleeved outside the sliding column 53 and the sliding channel 52; one end of the spring 55 is disposed on one side of the blocking cap 54 close to the bracket 51, and the other end is disposed on one side of the bracket 51 close to the sliding channel 52 and outside the sliding channel 52.
In a preferred embodiment, the exhaust valve assembly 6 includes an L-shaped plate 61, a rotating plate 62, and a top plate 67; wherein the content of the first and second substances,
the L-shaped support plate 61 is fixedly arranged on the outer side wall surface of the filling port envelope 1 and is positioned below the exhaust hole 13;
the rotating support plate 62 is arranged on the L-shaped support plate 61, a strip-shaped through hole 63 is formed in the plate surface of the rotating support plate 62 corresponding to the L-shaped support plate 61, and the top plate of the L-shaped support plate 61 can penetrate through the strip-shaped through hole 63 to avoid interference when the rotating support plate 62 rotates; a rotating shaft 64 is fixedly arranged on the rotating support plate 62 and positioned on the inner side of the strip-shaped through hole 63, and the rotating shaft 64 is hinged to the inner side of the L-shaped support plate 61; one end of the rotating support plate 62 is provided with an exhaust valve sealing gasket 66 corresponding to the exhaust hole 13 through a bolt assembly 65;
the top plate 67 is arranged at one end, far away from the exhaust valve sealing gasket 66, of the rotating support plate 62 through the rivet 68, is set to be L-shaped, and the end, far away from the rotating support plate 62, of the top plate 67 is set to be arc-shaped and overturned towards the outer side, so that the top plate can be abutted to the gun nozzle 14 of the oil gun.
The utility model discloses a theory of operation: when refueling is needed, the fuel tank cover 15 is taken down, then the gun nozzle 14 of the refueling gun is inserted into the filling port envelope 1, and the hollow channel 8 in the filling port envelope 1 is in an expanded shape, so that the refueling gun can be inserted conveniently; in the process of inserting the gun nozzle 14 of the oil gun, the end part of the gun nozzle 14 is abutted against the top plate 67, the top plate 67 is stressed to bend and drives one end, close to the top plate 67, of the rotating support plate 62 to rotate towards the direction far away from the gun nozzle 14, so that the exhaust valve sealing gasket 66 at one end, far away from the top plate 67, of the rotating support plate 62 is close to the direction close to the exhaust hole 13, the deeper the inserting amount of the gun nozzle 14 is, the larger the deformation amount of the top plate 67 is, the larger the rotating angle of the rotating support plate 62 is, the tighter the fit between the exhaust valve sealing gasket 66 and the exhaust hole 13 is, and the better the sealing performance is;
in the process of refueling, the pressure inside the refueling pipe is gradually increased, and a force is applied to the blocking cap 54 in the direction close to the bracket 51, so that the sliding column 53 is driven to slide along the sliding channel 52 in the direction close to the bracket 51, a gap exists between the blocking cap 54 and the conical surface 12, the pressure relief is completed, and after the pressure is reduced, the blocking cap 54 is reset through the spring 55;
after refueling, when drawing the rifle, because rifle mouth 14 outwards extracts, reduces gradually to the butt power of top sheet 67, and the deformation volume of top sheet 67 reduces and resets gradually, drives the sealing performance between the exhaust valve sealed pad 66 on the rotatory extension board 62 and the exhaust hole 13 and reduces, reaches the purpose of pressure release, has avoided the back spray or the phenomenon of splashing that the direct drawing of rifle of not pressure release leads to take place.
In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In the description of the present application, the description of the terms "one embodiment," "some embodiments," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (4)
1. A novel mechanical sealing oil filling head is characterized by comprising an oil filling port sealing sleeve, a threaded sleeve, a compression sealing ring, a check valve component and an exhaust valve component; wherein the content of the first and second substances,
the inner side of the bottom end of the filler neck sleeve is provided with an L-shaped boss, a hollow channel is arranged in the filler neck sleeve corresponding to a gun nozzle of the oil gun, and the caliber of the hollow channel is gradually reduced from the top end to the bottom end, so that the trend of the oil gun is convenient to control;
the bottom of the threaded sleeve is arranged on the outer side of the top of the filling port sealing sleeve and is sealed with the hand piece through an O-shaped ring;
the compression sealing ring is arranged inside the filling port sealing sleeve and positioned on the L-shaped boss, and the outer diameter of the compression sealing ring is in interference fit with the inner diameter of the L-shaped boss to achieve a sealing effect;
the compression sealing ring is arranged in a convex manner and is arranged at the bottom end of the filling port envelope through a screw, the top end of the compression sealing ring is abutted against the inner wall surface of the compression sealing ring, and the compression sealing ring is fixed between the L-shaped boss and the compression sealing ring;
the check valve assembly is arranged on one side inside the filling port sealing sleeve and used for balancing the pressure inside the filling pipe;
the exhaust valve assembly is arranged on one side of the outer portion of the filling port sealing sleeve and used for balancing the pressure in the fuel tank, avoiding the phenomena of back spraying and splashing when a refueling gun is pulled out and avoiding the failure risk that the refueling gun does not jump.
2. The novel mechanically sealed filler head of claim 1 wherein the filler neck cuff has an exhaust channel on the outside wall surface, the exhaust channel being disposed parallel to the hollow channel; the interior of the exhaust channel is communicated with the hollow channel, and the inner annular wall surface of the port at the bottom end of the exhaust channel is a conical surface; and one side of the outer side wall surface of the filling port sealing sleeve is provided with an exhaust hole which is communicated with the inner part and the outer part of the filling port sealing sleeve.
3. The novel mechanically sealed fuel filling head as claimed in claim 2, wherein the check valve assembly comprises a support arranged in the exhaust passage, a sliding passage is fixedly arranged at the bottom end of the support, a sliding column is slidably arranged in the sliding passage, and a conical stop cap is fixedly arranged at one end of the sliding column, which is far away from the support, corresponding to the conical surface; a spring is arranged between the stop cap and the bracket and sleeved outside the sliding column and the sliding channel; one end of the spring is arranged on one side face, close to the support, of the blocking cap, and the other end of the spring is arranged on one side, close to the sliding channel, of the support and located on the outer side of the sliding channel.
4. The new mechanically sealed filler head of claim 3 wherein the vent valve assembly includes an L-shaped strut, a swivel strut, and a top piece; wherein the content of the first and second substances,
the L-shaped support plate is fixedly arranged on the outer side wall surface of the filling port sleeve and is positioned below the exhaust hole;
the rotary support plate is arranged on the L-shaped support plate, a strip-shaped through hole is formed in the plate surface of the rotary support plate corresponding to the L-shaped support plate, and a top plate of the L-shaped support plate can penetrate through the strip-shaped through hole, so that interference is avoided when the rotary support plate rotates; a rotating shaft is fixedly arranged on the rotating support plate and positioned at the inner side of the strip-shaped through hole, and the rotating shaft is hinged to the inner side of the L-shaped support plate; one end of the rotating support plate is provided with an exhaust valve sealing gasket corresponding to the exhaust hole through a bolt assembly;
the top plate is arranged at one end, far away from the exhaust valve sealing gasket, of the rotary support plate through a rivet, the top plate is arranged to be L-shaped, one end, far away from the rotary support plate, of the top plate is arranged to be arc-shaped and overturned towards the outer side, and the top plate can be conveniently abutted to a gun nozzle of a fuel gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221329781.5U CN217495831U (en) | 2022-05-31 | 2022-05-31 | Novel mechanical sealing oiling head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221329781.5U CN217495831U (en) | 2022-05-31 | 2022-05-31 | Novel mechanical sealing oiling head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217495831U true CN217495831U (en) | 2022-09-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221329781.5U Active CN217495831U (en) | 2022-05-31 | 2022-05-31 | Novel mechanical sealing oiling head |
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| Country | Link |
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| CN (1) | CN217495831U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2614593A (en) * | 2021-11-09 | 2023-07-12 | Piolax Inc | Fill-up restriction valve |
-
2022
- 2022-05-31 CN CN202221329781.5U patent/CN217495831U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2614593A (en) * | 2021-11-09 | 2023-07-12 | Piolax Inc | Fill-up restriction valve |
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