Fuel cut-off electromagnetic valve

Abstract

The utility model discloses a fuel cut-off electromagnetic valve which comprises an electromagnetic attraction assembly and a pipeline assembly. The electromagnetic attraction assembly comprises a cover body, an attraction button and a mistaken touch prevention structure, the mistaken touch prevention structure wraps part of the attraction button, and the attraction button penetrates through the cover body and is connected into an electromagnetic attraction loop arranged in the cover body. The pipeline assembly comprises a built-in pipeline with a built-in valve element, an input connector and an output connector, the input connector is externally connected to an oil supply line, the output connector is externally connected to an oil conveying line, one end of the built-in pipeline is communicated with the input connector, and the other end of the built-in pipeline is communicated with the output connector. The fuel cut-off electromagnetic valve disclosed by the utility model has the beneficial effects that the false touch prevention structure wraps part of the pull-in button, a user is guided to cancel pressing of the pull-in button only if necessary, false touch is avoided, and otherwise, the conveying process of an oil path is easily stopped improperly.

Description

Technical Field

[0001] The utility model belongs to the field of solenoid valves, and particularly relates to an oil cut-off solenoid valve. Background Art

[0002] The invention patent application with the publication number of CN107120463A and the theme name of a two-way direct-acting solenoid valve and a fuel delivery pipeline system has an IPC classification number of F16K31 / 06, F16K1 / 36, F16K1 / 46, F16K1 / 32, F16K27 / 02, F16K35 / 10, F16K41 / 02. Its technical solution discloses "a two-way direct-acting solenoid valve 100, including a valve body 11, a valve cover 12, a piston assembly 13, a reset assembly 14 and a manual assembly 15. The valve body 11 includes a valve cavity 111 and a valve port 112. The valve cavity 111 is used for the flow of the medium. The valve port 112 is communicated with the valve cavity 111. A connecting hole 113 is arranged on one side of the valve body 11 opposite to the valve port 112. The connecting hole 113 is communicated with the valve cavity 111 and the connecting hole 113 is coaxially arranged with the valve port 112. The valve cover 12 is connected to the valve body 11, and the valve cover 12 is provided with a movable cavity 121 communicated with the valve port 112; the piston assembly 13 is slidably arranged in the movable cavity 121. The reset assembly 14 is connected to the end of the piston assembly 13 far from the valve body 11, and the reset assembly 14 drives the piston assembly 13 to close the valve port 112; the manual assembly 15 is inserted into the connecting hole 113 and the end of the manual assembly 15 far from the connecting hole 113 abuts against the piston assembly 13. The manual assembly 15 can move axially along the movable cavity 121 relative to the valve body 11, so as to drive the piston assembly 13 to open the valve port 112 and realize the flow of the medium in the valve cavity 111".

[0003] It can be seen that the above utility model patent has disclosed one of the technical solutions of the direct-acting solenoid valve. However, the technical solution disclosed in the above utility model patent does not further solve the problem of how to avoid the improper interruption of the oil circuit and needs to be further improved. Summary of the Utility Model

[0004] The utility model aims at the current situation of the prior art, overcomes the above defects, and provides an oil cut-off solenoid valve.

[0005] The utility model adopts the following technical solutions. The oil cut-off solenoid valve includes:

[0006] An electromagnetic suction assembly, which includes a cover body, a suction button and an anti-misoperation structure. The anti-misoperation structure surrounds part of the suction button. The suction button penetrates through the cover body and is connected to an electromagnetic suction circuit built in the cover body;

[0007] Pipeline assembly, the pipeline assembly includes an internal pipeline with a valve core built therein, an input interface and an output interface. The input interface is externally connected to the oil supply line, the output interface is externally connected to the oil transmission line, one end of the internal pipeline is communicated with the input interface, and the other end of the internal pipeline is communicated with the output interface.

[0008] As a preferred technical solution of the above technical solution, the electromagnetic suction assembly further includes a movable iron core and a spring built in the housing. One end of the spring is fixedly connected to the movable iron core, the other end of the spring is fixedly connected to the valve core of the pipeline assembly, and the electromagnetic coil is located on the side of the spring away from the valve core.

[0009] As a preferred technical solution of the above technical solution, the anti-misoperation structure is provided with a branch portion, a main body portion and a step portion. One side of the main body portion is integrally formed with the step portion, the other side of the main body portion is integrally formed with the branch portion, and the branch portion, the main body portion and the step portion enclose a semi-open space for accommodating the suction button.

[0010] As a preferred technical solution of the above technical solution, the anti-misoperation structure is further provided with a first bending portion. The first bending portion is located on the side of the step portion away from the branch portion, the first bending portion is integrally formed with the step portion, and there is an acute angle between the first bending portion and the step portion.

[0011] As a preferred technical solution of the above technical solution, the anti-misoperation structure is further provided with a second bending portion. The second bending portion is located on the side of the branch portion away from the main body portion, the second bending portion is integrally formed with the branch portion, and there is an obtuse angle between the second bending portion and the branch portion.

[0012] For the fuel cut-off solenoid valve disclosed by the present utility model, its beneficial effect lies in that the anti-misoperation structure surrounds part of the suction button, guiding the user to cancel pressing the suction button only in necessary situations to avoid misoperation, otherwise it is easy to cause the oil pipeline transportation process to be improperly terminated. Description of the Drawings

[0013] Figure 1 is the front view of this application.

[0014] Figure 2 is the side view of this application.

[0015] Figure 3 is the top view of this application.

[0016] Figure 4 is the perspective view of one angle of this application.

[0017] Figure 5 is the perspective view of another angle of this application.

[0018] The reference numerals include: 100 - electromagnetic suction assembly; 101 - housing; 110 - suction button; 120 - anti - accidental touch structure; 121 - branch portion; 122 - main body portion; 123 - step portion; 124 - first bending portion; 125 - second bending portion; 200 - pipeline assembly; 210 - input interface; 220 - output interface. Detailed implementation manners

[0019] The present utility model discloses an oil - cut - off solenoid valve. The following combines with the preferred embodiment (Embodiment 1) and refers to the Figures 1-5 drawings to further describe the detailed implementation manners of the present utility model.

[0020] Referring to the Figures 1 to 5 , Figures 1 to 5 the oil - cut - off solenoid valves from different perspectives are respectively shown.

[0021] Embodiment 1 (The anti - accidental touch structure 120 wraps around a part of the suction button 110).

[0022] Preferably, the oil - cut - off solenoid valve includes:

[0023] An electromagnetic suction assembly 100, the electromagnetic suction assembly 100 includes a housing 101, a suction button 110 and an anti - accidental touch structure 120. The anti - accidental touch structure 120 wraps around a part of the suction button 110 to guide the user to cancel pressing the suction button 110 only when necessary, avoiding accidental touch, otherwise it is easy to cause the oil pipeline transportation process to be improperly interrupted; the suction button 110 penetrates through the housing 101 and is connected to an electromagnetic suction circuit built in the housing 101, so that the suction button 110 and the electromagnetic coil (not shown in the figure) are simultaneously connected (in series) to the electromagnetic suction circuit; when the suction button 110 is pressed, the electromagnetic coil is powered on; when the suction button 110 is no longer pressed, the electromagnetic coil is no longer powered on;

[0024] A pipeline assembly 200, the pipeline assembly 200 includes an internal pipeline (not shown in the figure) with a spool (not shown in the figure) built in, an input interface 210 and an output interface 220. The input interface 210 is externally connected to a fuel supply line (not shown in the figure), the output interface 220 is externally connected to an oil delivery line (not shown in the figure), one end of the internal pipeline is communicated with the input interface 210, and the other end of the internal pipeline is communicated with the output interface 220, so that the spool can close or open the internal pipeline under the control of the electromagnetic suction assembly 100, thereby controlling the on - off of the oil pipeline.

[0025] Among them, the electromagnetic suction assembly 100 further includes a movable iron core (not shown in the figure) and a spring built in the cover 101. One end of the spring is fixedly connected to the movable iron core, and the other end of the spring is fixedly connected to the valve core of the pipeline assembly 200. The electromagnetic coil is located on the side of the spring away from the valve core (close to the movable iron core). When the electromagnetic coil is not powered on, the electromagnetic coil no longer attracts the movable iron core, and the valve core closes the built-in pipeline under the action of the gravity of the spring. When the electromagnetic coil is powered on, the generated magnetic field attracts the movable iron core, causing the movable iron core to lift the spring and further drive the valve core to move, so that the valve core moves to open the built-in pipeline.

[0026] Among them, the anti-misoperation structure 120 is provided with a branch portion 121, a main body portion 122 and a step portion 123. One side of the main body portion 122 is integrally formed with the step portion 123, and the other side of the main body portion 122 is integrally formed with the branch portion 121, so that the branch portion 121, the main body portion 122 and the step portion 123 enclose a semi-open space for accommodating the suction button 110.

[0027] Among them, the anti-misoperation structure 120 is further provided with a first bending portion 124. The first bending portion 124 is located on the side of the step portion 123 away from the branch portion 121, and the first bending portion 124 is integrally formed with the step portion 123, so that there is an acute angle between the first bending portion 124 and the step portion 123.

[0028] Among them, the anti-misoperation structure 120 is further provided with a second bending portion 125. The second bending portion 125 is located on the side of the branch portion 121 away from the main body portion 122, and the second bending portion 125 is integrally formed with the branch portion 121, so that there is an obtuse angle between the second bending portion 125 and the branch portion 121.

[0029] Embodiment 2 (the anti-misoperation structure 120 is externally disposed on the cover 101 and in contact with the suction button 110).

[0030] Preferably, the fuel cut-off solenoid valve includes:

[0031] An electromagnetic suction assembly 100, which includes a cover 101, a suction button 110 and an anti-misoperation structure 120. The anti-misoperation structure 120 is externally disposed on the cover 101 and in contact with the suction button 110, guiding the user to cancel pressing the suction button 110 only when necessary to avoid misoperation, otherwise it is easy to cause the oil pipeline transportation process to be interrupted improperly. The suction button 110 penetrates through the cover 101 and is connected to an electromagnetic suction circuit built in the cover 101, so that the suction button 110 and the electromagnetic coil (not shown in the figure) are connected to (in series) the electromagnetic suction circuit at the same time. When the suction button 110 is pressed, the electromagnetic coil is powered on. When the suction button 110 is not pressed, the electromagnetic coil is no longer powered on.

[0032] Pipeline assembly 200, the pipeline assembly 200 includes a built-in pipeline (not shown in the figure) with a valve core (not shown in the figure), an input interface 210 and an output interface 220. The input interface 210 is externally connected to an oil supply line (not shown in the figure), and the output interface 220 is externally connected to an oil transmission line (not shown in the figure). One end of the built-in pipeline is communicated with the input interface 210, and the other end of the built-in pipeline is communicated with the output interface 220, so that the valve core closes or opens the built-in pipeline under the control of the electromagnetic suction assembly 100, thereby controlling the on-off of the oil circuit.

[0033] Among them, the electromagnetic suction assembly 100 further includes a movable iron core (not shown in the figure) and a spring built in the housing 101. One end of the spring is fixedly connected to the movable iron core, and the other end of the spring is fixedly connected to the valve core of the pipeline assembly 200. The electromagnetic coil is located on the side of the spring away from the valve core (the side close to the movable iron core); when the electromagnetic coil is not powered on, the electromagnetic coil no longer attracts the movable iron core, and the valve core is closed by the gravity of the spring. When the electromagnetic coil is powered on, the generated magnetic field attracts the movable iron core, so that the movable iron core lifts the spring, further drives the valve core to move, and the valve core moves to open the built-in pipeline.

[0034] Among them, the anti-misoperation structure 120 is provided with a branch part 121, a main body part 122 and a step part 123. One side of the main body part 122 is integrally formed with the step part 123, and the other side of the main body part 122 is integrally formed with the branch part 121, so that the branch part 121, the main body part 122 and the step part 123 enclose a semi-open space for accommodating the suction button 110.

[0035] Among them, the anti-misoperation structure 120 is further provided with a first bending part 124. The first bending part 124 is located on the side of the step part 123 away from the branch part 121, and the first bending part 124 is integrally formed with the step part 123, so that there is an acute angle between the first bending part 124 and the step part 123.

[0036] Among them, the anti-misoperation structure 120 is further provided with a second bending part 125. The second bending part 125 is located on the side of the branch part 121 away from the main body part 122, and the second bending part 125 is integrally formed with the branch part 121, so that there is an obtuse angle between the second bending part 125 and the branch part 121.

[0037] It is worth mentioning that the technical features such as the electromagnetic coil involved in the patent application of the present utility model should be regarded as the prior art. The specific structures, working principles, and possible control methods and spatial arrangement methods of these technical features can be selected conventionally in the art, and should not be regarded as the invention points of the patent of the present utility model. The patent of the present utility model will not be further specifically elaborated.

[0038] For those skilled in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An oil cut-off solenoid valve, characterized in that: include: The electromagnetic suction component includes a cover, a suction button and an anti-accidental touch structure, the anti-accidental touch structure surrounds part of the suction button, the suction button passes through the cover and is connected to the electromagnetic suction circuit built into the cover; The pipeline assembly includes a built-in pipeline with a valve core, an input interface and an output interface, the input interface is externally connected to the oil supply line, the output interface is externally connected to the oil transmission line, one end of the built-in pipeline is connected to the input interface, and the other end of the built-in pipeline is connected to the output interface.

2. The oil cut-off solenoid valve according to claim 1, characterized in that: The electromagnetic attraction component also includes a movable iron core and a spring built into the cover body, one end of the spring is fixedly connected to the movable iron core, and the other end of the spring is fixedly connected to the valve core of the pipeline assembly, and the electromagnetic coil is located on the side of the spring away from the valve core.

3. The oil cut-off solenoid valve according to claim 1, characterized in that: The anti-mistouch structure is provided with a branch portion, a main body portion and a step portion. One side of the main body portion is integrally formed with the step portion, and the other side of the main body portion is integrally formed with the branch portion. The branch portion, the main body portion and the step portion together form a semi-open space for accommodating the suction button.

4. The oil cut-off solenoid valve according to claim 3, characterized in that: The anti-mistouch structure is also provided with a first bending portion, which is located on a side of the step portion away from the branch portion, the first bending portion and the step portion are integrally formed, and an acute angle is formed between the first bending portion and the step portion.

5. The oil cut-off solenoid valve according to claim 3, characterized in that: The anti-mistouch structure is also provided with a second bending portion, which is located on a side of the branch portion away from the main body portion. The second bending portion and the branch portion are integrally formed, and an obtuse angle is formed between the second bending portion and the branch portion.

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