CN215059795U

CN215059795U - Mechanical sealing valve with baffle

Info

Publication number: CN215059795U
Application number: CN202120957237.4U
Authority: CN
Inventors: 李卫民; 冉林; 段文强; 龙洋
Original assignee: Wuhan Tengsuo Technology Co ltd
Current assignee: Wuhan Tengsuo Technology Co ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-12-07
Anticipated expiration: 2031-05-07

Abstract

The utility model relates to the technical field of automobile fuel tank sealing devices, and discloses a mechanical sealing valve with a baffle, which solves the problem of oil splashing by arranging a movable baffle at the lower oil duct opening of the sealing valve; when the movable baffle is not additionally arranged, after the fuel truck nozzle is pulled out, fuel oil in the fuel tank flows out from the fuel port opening under the action of internal residual oil pressure, and if the residual oil pressure is higher, the phenomenon of oil splashing can be generated; after the movable baffle is additionally arranged, when oil flows out outwards under the action of residual oil pressure, the movable baffle blocks an oil port opening under the action of the rebound piece, so that the oil is prevented from overflowing and even splashing. And finally, the movable baffle is a hard thin plate with a color which can be easily recognized by human eyes, and the color which can be easily recognized by human eyes is utilized to help a user to judge whether the oil gun is normally inserted or not, so that the misoperation of oil filling is avoided.

Description

Mechanical sealing valve with baffle

Technical Field

The utility model relates to a car fuel tank sealing device technical field especially relates to a take mechanical type seal valve of baffle.

Background

The fuel tank sealing valve is an important functional and safety component in the automobile fuel tank and has a critical function for the automobile refueling operation. Some automobiles using mechanical sealing valves may cause the pressure in an oil tank to rise due to the failure or improper operation of system components in the oil filling process, the existing partial sealing valves solve the problems by arranging the pressure relief valve on the valve body, but the pressure relief valve cannot completely relieve the pressure due to the structure of the partial sealing valve, the oil filling overflow and even splashing may be caused to cause personal injury, and therefore the mechanical sealing valve with the baffle plate is produced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The embodiment of the utility model provides a take mechanical type seal valve of baffle for solve current fuel tank seal valve and can't let out the inside oil pressure of oil tank completely, and then lead to fluid to spill over and splash even and cause the defect of bodily injury.

(II) contents of utility model

The embodiment of the utility model provides a take mechanical type seal valve of baffle, including casing and sealing washer, still including passing the oil duct of the two, still including articulating in the adjustable fender of casing bottom, still be equipped with a resilience piece, resilience piece makes adjustable fender pastes tightly the lower terminal surface of casing.

Preferably, the rebound part is a torsion spring, a torsion spring frame is fixed at the bottom of the shell, the torsion spring is fixed on the torsion spring frame and is connected with the movable baffle, and when the torsion spring is in an initial state, the movable baffle is tightly attached to the lower end face of the shell under the action of the elasticity of the torsion spring.

Preferably, the shell is provided with a circular upper opening and a circular lower opening, the upper opening and the lower opening are eccentrically arranged to enable the shell to be provided with a first curved surface and a second curved surface, the inner side surfaces of the first curved surface and the second curved surface jointly form a channel for inserting a nozzle of a fuel gun, the first curved surface is provided with a vent hole, the inner side of the upper end of the second curved surface is provided with a mounting groove, the outer peripheral surface of the second curved surface is provided with a guide groove, the outer wall of the lower opening radially extends outwards to form an annular error-proof part, the lower end of the mounting groove is provided with two bosses protruding towards the center of the shell along the inner side surface of the second curved surface, the lower edge of the lower opening radially extends inwards to form an annular boss, and the sealing ring is arranged on the annular boss.

The shell is also internally provided with a lining piece, the lower end of the lining piece is a lining base part, the upper end of the lining piece is a lining lip part, the lower end of the lining base part forms a notch corresponding to the vent hole, and the edge part of the upper end of the lining lip part is detachably clamped in the mounting groove.

Preferably, at least one set of pressure relief valves is further arranged in the vent holes of the first curved surface.

Preferably, a lining member is further arranged in the casing, the lining member is fixed in the casing, the sealing ring is clamped between the lining member and the casing, and the pressure release valve is arranged on the surface of the lining member.

Preferably, the bottom of the housing is provided with a protrusion extending downward, and the torsion spring is mounted on the protrusion.

Preferably, the flapper is a rigid sheet with a color readily recognizable to the human eye.

(III) advantageous effects

The embodiment of the utility model provides a mechanical seal valve with baffle, which solves the problem of oil splashing by arranging a movable baffle at the lower oil passage opening of the seal valve; when the movable baffle is not additionally arranged, after the fuel truck nozzle is pulled out, fuel oil in the fuel tank flows out from the fuel port opening under the action of internal residual oil pressure, and if the residual oil pressure is higher, the phenomenon of oil splashing can be generated; after the movable baffle is additionally arranged, when the oil pressure flows out under the action of residual oil pressure, the movable baffle blocks an oil port opening under the action of the rebound piece, so that the oil is prevented from overflowing and even splashing; in addition, the movable baffle is a hard thin plate with a color which can be easily recognized by human eyes, and the color which can be easily recognized by human eyes is utilized to help a user to judge whether the oil gun is normally inserted or not, so that the misoperation of oil filling is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a first view angle of a mechanical sealing valve with a baffle according to an embodiment of the present invention;

fig. 2 is a schematic view of an overall structure of a second view angle of a mechanical sealing valve with a baffle according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of a mechanical sealing valve with a baffle according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a mechanical seal valve with a baffle plate inserted into a metal filler pipe according to an embodiment of the present invention;

fig. 5 is a schematic bottom view of a mechanical sealing valve with a baffle according to an embodiment of the present invention.

Description of reference numerals:

1: a housing; 2: a lining member; 3: a seal ring;

31: a movable baffle; 32: a torsion spring; 33: a torsion spring frame;

34: a bolt; 4: a pressure relief valve; 5: a protrusion.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the data or the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "first", "second" and "third" are used for the sake of clarity in describing the numbering of the product parts and do not represent any substantial difference, unless explicitly stated or limited otherwise. The directions of "up", "down", "left" and "right" are all based on the directions shown in the attached drawings. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

It is to be understood that, unless otherwise expressly specified or limited, the term "coupled" is used broadly, and may, for example, refer to directly coupled devices or indirectly coupled devices through intervening media. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.

As shown in fig. 1 to 4, the mechanical sealing valve with a baffle according to this embodiment includes a housing 1 and a sealing ring 3, a lining member 2 is further disposed in the housing, and further includes an oil passage passing through the three, as shown in fig. 5, a movable baffle 31 is further disposed at the bottom of the housing 1, a torsion spring 32 is further disposed at the bottom of the lining member 2, a torsion spring frame 33 is fixed at the bottom of the lining member 2, the torsion spring 32 is fixed at the torsion spring frame 33 through a bolt 34, the torsion spring 32 is connected to the movable baffle 31, when the torsion spring 32 is in an initial state, the movable baffle 31 is tightly attached to a lower end surface of the lining member 2 under the elastic force of the torsion spring 32, and completely covers a lower oil passage opening of the oil passage (when the movable baffle 31 cannot completely cover the oil passage opening, a certain blocking effect on oil is also achieved, but when the area of the movable baffle 31 is slightly larger than the diameter of the oil passage opening, the effect on blocking oil is best), the movable baffle 31 is tightly attached to the lower end surface of the lining member 2 by the resilient member, the problem of oil splashing is solved by arranging a movable baffle plate 31 at the lower oil passage opening of the sealing valve; when the movable baffle 31 is not additionally arranged, after the fuel gun is pulled out, fuel in the fuel tank flows out from the fuel port opening under the action of internal residual oil pressure, and if the residual oil pressure is larger, the phenomenon of oil splashing can be generated; after the movable baffle 31 is additionally arranged, when the oil pressure flows out under the action of residual oil pressure, the movable baffle 31 is also driven to block an oil channel opening, so that the oil is prevented from overflowing and even splashing; on the other hand, when the fuel gun is inserted for refueling, the movable baffle 31 is in the initial state and is close to the lower end surface of the lining member 2, namely, the movable baffle blocks the lower fuel port opening, and certain guiding effect can be achieved for the insertion and robbing action of the fuel gun.

The movable baffle plate structure can be suitable for sealing valves of different types, preferably, in the embodiment, the shell is provided with a circular upper opening and a circular lower opening, the upper opening and the lower opening are eccentrically arranged to enable the shell to be provided with a first curved surface and a second curved surface, inner side surfaces of the first curved surface and the second curved surface jointly form a channel for inserting a nozzle of a fuel gun, the first curved surface is provided with a vent hole, the inner side of the upper end of the second curved surface is provided with a mounting groove, the outer peripheral surface of the second curved surface is provided with a guide groove, the outer wall of the lower opening radially extends outwards to form an annular error-proof part, the lower end of the mounting groove is provided with two bosses protruding towards the center of the shell along the inner side surface of the second curved surface, the lower edge of the lower opening radially extends inwards to form an annular boss, and the sealing ring 3 is arranged on the annular boss; the lower end of the sealing valve liner is a liner base, the upper end of the sealing valve liner is a liner lip, the lower end of the liner base is a notch corresponding to the vent hole, and the edge part of the upper end of the liner lip is detachably clamped in the mounting groove.

Preferably, the side surface of the lining member 2 is further provided with at least one set of relief valves 4, which are arranged in the vent holes of the first curved surface, the relief valves 4 are also used for releasing the oil pressure inside the oil tank, but due to structural limitations, the relief valves 4 often cannot completely release the oil pressure inside the oil tank, and the relief valves are matched with a movable baffle plate 31 arranged at an oil passage opening below the sealing valve, so that complete pressure release can be achieved, and the accident that the oil overflows and even splashes to cause personal injury can never be prevented.

As shown in fig. 2 and 3, in order to facilitate the installation of the structure of the movable baffle 31, the housing 1 is correspondingly improved in adaptability, the housing 1 is provided with a protrusion 5 extending downwards, and a torsion spring 32 is installed on the protrusion 5 for convenient installation.

Furthermore, the movable baffle 31 is a hard thin plate with a color which can be easily recognized by human eyes, and the bright and bright color is used for helping a user to judge whether the fuel gun is normally inserted, so that fuel-filling misoperation is avoided.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The mechanical sealing valve with the baffle comprises a shell, a sealing ring and an oil duct penetrating through the shell and the sealing ring, and is characterized by further comprising a movable baffle hinged to the bottom of the shell and a rebound piece, wherein the rebound piece enables the movable baffle to be attached to the lower end face of the shell.

2. The mechanical seal valve with a baffle of claim 1, wherein the resilient member is a torsion spring, a torsion spring holder is fixed to the bottom of the housing, the torsion spring is fixed to the torsion spring holder, the torsion spring is connected to the movable baffle, and when the torsion spring is in an initial state, the movable baffle abuts against the lower end surface of the housing under the action of the elastic force of the torsion spring.

3. The baffled mechanical seal valve of claim 1, the housing is formed with circular upper and lower openings, both of which are eccentrically disposed to provide the housing with first and second curved surfaces, the inner side surfaces of the first curved surface and the second curved surface form a channel which is inserted into a nozzle of a fuel gun together, the first curved surface is provided with a vent hole, the inner side of the upper end of the second curved surface is provided with an installation groove, the peripheral surface of the second curved surface is provided with a guide groove, the outer wall of the lower opening extends outwards along the radial direction to form an annular error-proof part, the lower end of the mounting groove is provided with two bosses protruding towards the center of the shell along the inner side surface of the second curved surface, the lower edge of the lower opening extends inwards along the radial direction to form an annular boss, and the sealing ring is arranged on the annular boss;

the casing is also internally provided with a lining piece, the lower end of the lining piece is a lining base part, the upper end of the lining piece is a lining lip part, the lower end of the lining base part is a notch corresponding to the vent hole, and the edge part of the upper end of the lining lip part is detachably clamped in the mounting groove.

4. The baffled mechanical seal valve of claim 3 further comprising at least one set of pressure relief valves disposed in the vent holes of the first curved surface.

5. The mechanical seal valve with a baffle of claim 4, wherein a lining member is further arranged in the housing, the lining member is fixed in the housing, the seal ring is clamped between the lining member and the housing, and the relief valve is arranged on the surface of the lining member.

6. The baffled mechanical seal valve of claim 2 wherein the bottom of the housing is provided with a downwardly projecting projection on which the torsion spring is mounted.

7. The baffled mechanical seal valve of claim 1 wherein the movable baffle is a rigid sheet having a color readily recognizable to the human eye.