CN211259946U - Be applied to joint of fuel filler pipe uncovered system - Google Patents
Be applied to joint of fuel filler pipe uncovered system Download PDFInfo
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- CN211259946U CN211259946U CN201921410544.XU CN201921410544U CN211259946U CN 211259946 U CN211259946 U CN 211259946U CN 201921410544 U CN201921410544 U CN 201921410544U CN 211259946 U CN211259946 U CN 211259946U
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Abstract
The utility model relates to a be applied to joint of fuel filler pipe uncovered system, the structure is by export section, changeover portion, canned paragraph and lock joint head turn right from a left side and link up in proper order and constitute, the lock joint on seted up the lock joint groove, canned paragraph and export section be the pipe form, the changeover portion be the round platform form, export section, changeover portion, canned paragraph 1 and lock joint in all set up the water conservancy diversion hole of mutual intercommunication, the water conservancy diversion hole aperture in the export section be less than the water conservancy diversion hole aperture in the canned paragraph, the inner wall of canned paragraph on be provided with and be used for fixed internal connection screw thread, the outer wall of changeover portion on still seted up the connecting hole, connecting hole and changeover portion in water conservancy diversion hole be linked together, the connecting hole in install the control valve, the control valve link to each other with the back flow. The design has the advantages of simple structure, easy manufacture, practicality and high efficiency.
Description
Technical Field
The utility model relates to a fuel filler pipe technical field, specificly relate to a be applied to joint of fuel filler pipe uncovered system.
Background
The joint belongs to an important component of a fuel filling pipe, but the existing joint has great limitation, a return pipe interface is not always arranged on the joint, once a pipeline fails and fuel cannot be normally filled, the fuel pressure in the joint is continuously increased, and potential safety hazards exist, so that the joint applied to a fuel filling pipe uncovered system is designed to be particularly important in order to solve the problem. .
Disclosure of Invention
The utility model adds the control valve on the outer wall of the joint transition section, and is connected with the return pipe through a control method, when the pipeline breaks down, the control valve can be started to convey the fuel in the joint by utilizing the return pipe, thereby reducing the pressure difference between the inside and the outside of the joint, reducing the potential safety hazard and playing a role of increasing the practical performance of the joint; a fitting for use in a fuel filler pipe capless system is provided.
For solving the technical problem, the utility model provides a be applied to joint of fuel filler pipe uncovered system which characterized in that: the structure is by export section, changeover portion, canned paragraph and lock joint from a left side turn right in proper order and link up an organic whole and constitute, the lock joint on seted up the lock joint groove, canned paragraph and export section be the pipe form, the changeover portion be the round platform form, export section, changeover portion, canned paragraph 1 and lock joint in all set up the water conservancy diversion hole of mutual intercommunication, the interior water conservancy diversion hole aperture of export section be less than the water conservancy diversion hole aperture in the canned paragraph, the inner wall of canned paragraph on be provided with and be used for fixed inscription screw thread, the outer wall of changeover portion on still seted up the connecting hole, connecting hole and changeover portion in water conservancy diversion hole be linked together, the connecting hole in install the control valve, the control valve link to each other with the back flow.
Further: the control valve comprises a first valve cylinder, a second valve cylinder, a valve core, a movable body, a screw rod, a rotary driving mechanism, a return mechanism, a button and a button mounting seat arranged on the outer wall of the top of the second valve cylinder, wherein the first valve cylinder is fixed in a connecting hole, one end of the first valve cylinder is open, one end of the first valve cylinder is sealed, the open end of the first valve is communicated with the connecting hole, the valve core is movably connected in the first valve cylinder, the second valve cylinder is sleeved outside the first valve cylinder, one end of the second valve cylinder is sealed with the first valve cylinder, the other end of the second valve cylinder is open, the screw rod is rotatably connected in the first valve cylinder, the valve core is connected on the screw rod through the movable body, one end of the screw rod penetrates through the sealed end of the first valve cylinder and extends into the second valve cylinder, a gap is reserved between the inner wall of the second valve cylinder and the outer wall of the first valve cylinder, the valve comprises a first valve barrel, a second valve barrel, a lead screw, a return mechanism, a button, a rotary driving mechanism, a lead screw and a valve core, wherein the side wall of the bottom of the first valve barrel is provided with a through hole, the through hole is communicated with a gap, the button is connected in a button mounting seat through the return mechanism, the button is connected with the rotary driving mechanism, the rotary driving mechanism extends into the second valve barrel and is connected with the lead screw, and the through hole is sealed through the valve core.
Further: the rotary driving mechanism is composed of a guide rod, a rack and a gear sleeved on the outer wall of the screw rod, the first end of the guide rod is fixed on the button, the other end of the guide rod extends into the second valve cylinder and is connected with the rack, the rack and the gear are in toothed connection with each other, and the screw rod is driven to rotate by pressing the button through the matching of the rack and the gear.
And further: the return mechanism is a spring, and the button is connected in the button mounting seat through the spring.
After the structure is adopted, the utility model adds the control valve on the outer wall of the joint transition section, and is connected with the return pipe through a control method, when the pipeline breaks down, the control valve can be started to use the return pipe to convey the fuel oil in the joint, thereby reducing the pressure difference between the inside and the outside of the joint, reducing the potential safety hazard and playing a role of increasing the practical performance of the joint; and the design also has the advantages of simple structure, easy manufacture, practicality and high efficiency.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a side view of the other side of the present invention.
Fig. 4 is a schematic structural view of the control valve.
Detailed Description
As shown in fig. 1, 2 and 3, the joint applied to a fuel filler pipe capless system is formed by sequentially connecting an outlet section 3, a transition section 2, a fixed section 1 and a buckle joint 4 from left to right, wherein the buckle joint is provided with a buckle groove 4-3, the fixed section 1 and the outlet section 3 are in a circular tube shape, the transition section 2 is in a circular truncated cone shape, the outlet section 3, the transition section 2, the fixed section 1 and the buckle joint 4 are all provided with mutually communicated flow guide holes, the diameter of the flow guide hole in the outlet section 3 is smaller than that of the flow guide hole in the fixed section 1, the inner wall of the fixed section is provided with an internal thread for fixing, the outer wall of the transition section is also provided with a connecting hole 2-1, the connecting hole is communicated with the flow guide hole in the transition section, and a control valve is arranged in the connecting hole, the control valve is connected with the return pipe. The utility model adds the control valve on the outer wall of the joint transition section, and is connected with the return pipe through a control method, when the pipeline breaks down, the control valve can be started to convey the fuel in the joint by utilizing the return pipe, thereby reducing the pressure difference between the inside and the outside of the joint, reducing the potential safety hazard and playing a role of increasing the practical performance of the joint; and the design also has the advantages of simple structure, easy manufacture, practicality and high efficiency.
The control valve shown in fig. 4 comprises a first valve cylinder 4-1, a second valve cylinder 4-2, a valve core 5, a movable element 6, a screw 7, a rotary driving mechanism, a return mechanism, a button 13 and a button mounting seat 10 arranged on the outer wall of the top of the second valve cylinder, wherein the first valve cylinder is fixed in a connecting hole, one end of the first valve cylinder is open and sealed, the open end of the first valve is communicated with the connecting hole, the valve core 5 is movably connected in the first valve cylinder, the second valve cylinder is sleeved outside the first valve cylinder, one end of the second valve cylinder is sealed with the first valve cylinder, the other end of the second valve cylinder is open, the screw is rotatably connected in the first valve cylinder, the valve core is movably connected on the screw, one end of the screw penetrates through the sealed end of the first valve cylinder and extends into the second valve cylinder, a gap is reserved between the inner wall of the second valve cylinder and the outer wall of the first valve cylinder, the side wall of the bottom of the first valve barrel is provided with a through hole 4-1-1, the through hole 4-1-1 is communicated with the gap, the button is connected in the button mounting seat through a return mechanism, the button is connected with a rotary driving mechanism, the rotary driving mechanism extends into the second valve barrel and is connected with a lead screw, and the through hole is sealed through a valve core.
The rotary driving mechanism shown in fig. 4 is composed of a guide rod 12, a rack 8 and a gear 9 sleeved on the outer wall of the screw rod, wherein the first end of the guide rod 12 is fixed on the button, the other end of the guide rod extends into the second valve cylinder and is connected with the rack, the rack is in toothed connection with the gear, and the screw rod is driven to rotate by pressing the button through the matching of the rack and the gear.
The return mechanism shown in fig. 4 is a spring 11, and the button 13 is connected in the button mounting seat 10 through the spring 11.
Claims (4)
1. The utility model provides a be applied to joint of fuel filler pipe uncovered system which characterized in that: the structure is formed by sequentially connecting an outlet section (3), a transition section (2), a fixed section (1) and a buckle joint (4) from left to right, wherein the buckle joint is provided with buckle grooves (4-3), the fixed section (1) and the outlet section (3) are in a circular tube shape, the transition section (2) is in a circular platform shape, the outlet section (3), the transition section (2), the fixed section (1) and the buckle joint (4) are internally provided with flow guide holes which are communicated with each other, the aperture of the flow guide hole in the outlet section (3) is smaller than that of the flow guide hole in the fixed section (1), the inner wall of the fixed section is provided with internal connection threads for fixing, the outer wall of the transition section is also provided with a connecting hole (2-1), the connecting hole is communicated with the flow guide hole in the transition section, and a control valve is arranged in the connecting hole, the control valve is connected with the return pipe.
2. A joint for a fuel filler pipe capless system as defined in claim 1, wherein: the control valve comprises a first valve cylinder (4-1), a second valve cylinder (4-2), a valve core (5), a movable element (6), a lead screw (7), a rotary driving mechanism, a return mechanism, a button (13) and a button mounting seat (10) arranged on the outer wall of the top of the second valve cylinder, wherein the first valve cylinder is fixed in a connecting hole, one end of the first valve cylinder is open and sealed, the open end of the first valve is communicated with the connecting hole, the valve core (5) is movably connected in the first valve cylinder, the second valve cylinder is sleeved outside the first valve cylinder, one end of the second valve cylinder is sealed with the first valve cylinder, the other end of the second valve cylinder is open, the lead screw is rotatably connected in the first valve cylinder, the valve core is connected on the lead screw through the movable element, one end of the lead screw penetrates through the sealed end of the first valve cylinder and extends into the second valve cylinder, a gap is reserved between the inner wall of the second valve cylinder and the outer wall of the first valve cylinder, a through hole (4-1-1) is formed in the side wall of the bottom of the first valve cylinder, the through hole (4-1-1) is communicated with the gap, the button is connected into the button mounting seat through a return mechanism, the button is connected with a rotary driving mechanism, the rotary driving mechanism extends into the second valve cylinder and is connected with the screw rod, and the through hole is sealed through the valve core.
3. A joint for a fuel filler pipe capless system according to claim 2, wherein: the rotary driving mechanism is composed of a guide rod (12), a rack (8) and a gear (9) sleeved on the outer wall of the screw rod, the first end of the guide rod (12) is fixed on the button, the other end of the guide rod extends into the second valve cylinder and is connected with the rack, the rack and the gear are in toothed connection with each other, and the screw rod is driven to rotate by pressing the button and utilizing the matching of the rack and the gear.
4. A joint for a fuel filler pipe capless system according to claim 2, wherein: the return mechanism is a spring (11), and the button (13) is connected in the button mounting seat (10) through the spring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921410544.XU CN211259946U (en) | 2019-08-28 | 2019-08-28 | Be applied to joint of fuel filler pipe uncovered system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921410544.XU CN211259946U (en) | 2019-08-28 | 2019-08-28 | Be applied to joint of fuel filler pipe uncovered system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211259946U true CN211259946U (en) | 2020-08-14 |
Family
ID=71959330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921410544.XU Active CN211259946U (en) | 2019-08-28 | 2019-08-28 | Be applied to joint of fuel filler pipe uncovered system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211259946U (en) |
-
2019
- 2019-08-28 CN CN201921410544.XU patent/CN211259946U/en active Active
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