CN220082268U - High-precision carbon tank electromagnetic valve - Google Patents
High-precision carbon tank electromagnetic valve Download PDFInfo
- Publication number
- CN220082268U CN220082268U CN202321676645.8U CN202321676645U CN220082268U CN 220082268 U CN220082268 U CN 220082268U CN 202321676645 U CN202321676645 U CN 202321676645U CN 220082268 U CN220082268 U CN 220082268U
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- CN
- China
- Prior art keywords
- armature
- air inlet
- air outlet
- carbon tank
- valve rod
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 19
- 239000011248 coating agent Substances 0.000 claims abstract description 10
- 238000000576 coating method Methods 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims description 9
- 239000004809 Teflon Substances 0.000 claims description 4
- 229920006362 Teflon® Polymers 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims 1
- 238000001746 injection moulding Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The utility model discloses a high-precision carbon tank electromagnetic valve, which comprises a shell, a coil framework arranged in the shell, and an armature arranged in an inner cavity of the coil framework and capable of moving up and down, wherein an air inlet pipeline and an air outlet pipeline which are mutually communicated are arranged on the shell, one end of the armature is blocked at a joint of the air inlet pipeline and the air outlet pipeline to control the on-off of the air inlet pipeline and the air outlet pipeline, and the other end of the armature is provided with an ejection spring; a metal sleeve is sleeved in the inner cavity of the coil framework, and a wear-resistant coating is coated on the surface of the armature. The carbon tank electromagnetic valve is high in accuracy, can realize adjustment of a plurality of opening amplitudes, and can be widely applied to the field of carbon tank electromagnetic valves.
Description
Technical Field
The utility model relates to the field of automobile switches, in particular to a high-precision carbon tank electromagnetic valve.
Background
Most of the existing carbon tank electromagnetic valves only have two states of full open and full close, so that the accuracy requirement is relatively low. Along with the high-speed development of the automobile industry, the environmental protection requirement is higher and higher, and the carbon tank electromagnetic valve is required to have a plurality of openings, namely, connecting channels between the air inlet and the air outlet are in different opening ranges, so that the unit air inflow is controlled, and the requirements of different working conditions of the engine are met. The existing structure is that the armature is directly arranged in a cavity of the coil framework, and moves back and forth in the cavity of the coil framework, so that the opening and closing of the air inlet and the air outlet are realized. Because the coil skeleton is the injection molding, the deformation is easy in injection molding, consequently, probably lead to coil skeleton chamber each position and armature's fit clearance inconsistent, lead to the inconsistent frictional resistance of armature motion, influence the control of opening the precision. Meanwhile, due to the fact that the wall thickness of the coil framework is thin, when the coil is wound, due to the factors of winding force, number of turns and the like, the cavity channel is possibly deformed, the inner diameter is inconsistent, and accordingly movement resistance of the armature is affected.
Disclosure of Invention
The utility model aims to provide a high-precision carbon tank electromagnetic valve, which solves the problems that the structure precision of the traditional carbon tank electromagnetic valve is low and a plurality of opening amplitude requirements cannot be met.
The technical scheme adopted for solving the technical problems is as follows: the high-precision carbon tank electromagnetic valve comprises a shell, a coil framework arranged in the shell, an armature arranged in an inner cavity of the coil framework and capable of moving up and down, a valve rod fixedly arranged in the armature, an air inlet pipeline and an air outlet pipeline which are mutually communicated are arranged on the shell, the front end of the valve rod is blocked at the joint of the air inlet pipeline and the air outlet pipeline to control the on-off of the air inlet pipeline and the air outlet pipeline, and an ejection spring is arranged at the other end of the armature relative to the valve rod; a metal sleeve is sleeved in the inner cavity of the coil framework, and a wear-resistant coating is coated on the surface of the armature.
In order to conveniently adjust the ejection pressure of the ejection spring, an adjusting bolt is arranged on the shell and is propped against the other end of the ejection spring opposite to the armature.
For convenient control ventilation, be provided with the intercommunicating pore between air inlet pipe and the pipeline of giving vent to anger, the front end of valve rod is provided with the end cap with intercommunicating pore complex, the end cap is conical structure.
Preferably, the metal sleeve is made of stainless steel, and the wear-resistant coating is made of Teflon.
The utility model has the beneficial effects that: according to the utility model, the metal sleeve is sleeved in the inner cavity of the coil framework, so that the problem that the coil framework is easy to deform is solved, and the consistency of resistance in the running process of the armature is ensured. And then, a layer of wear-resistant coating is coated on the surface of the armature so as to solve the problem of wear resistance of the armature and prolong the service life of the armature. The Teflon material is selected as the wear-resistant coating, and the wear-resistant coating has certain self-lubricating property, so that the resistance of the armature in the metal sleeve is smaller, and the stroke of the armature is accurately controlled. The adjusting bolt is convenient to adjust the resilience force of the ejection spring, so that the opening pressure of the armature is convenient to be finely adjusted after assembly, the set requirements of manufacturers are met, and the structure is simple and convenient to adjust. The conical structure of the plug is matched with the communication hole, and different air inflow is realized at different travel positions of the armature, so that the carbon tank electromagnetic valve has a plurality of openings. By means of the structural adjustment of the carbon tank electromagnetic valve, accuracy of the carbon tank electromagnetic valve can be remarkably improved.
The utility model will be described in more detail below with reference to the drawings and examples.
Drawings
Fig. 1 is a cross-sectional view of the present utility model.
Detailed Description
The embodiment is shown in fig. 1, and a high-precision carbon tank electromagnetic valve comprises a shell 1, a coil framework 2 arranged in the shell 1, an electromagnetic coil 10 wound outside the coil framework 2, an inner cavity 21 arranged in the middle of the coil framework 2, an armature 3 capable of moving up and down arranged in the inner cavity 21, and a valve rod 11 fixedly arranged in the armature 3. The shell 1 is provided with an air inlet pipeline 4 and an air outlet pipeline 5 which are mutually communicated, the front end of the valve rod 11 is plugged at the joint of the air inlet pipeline 4 and the air outlet pipeline 5 to control the on-off of the air inlet pipeline 4 and the air outlet pipeline 5, and the other end of the armature 3 opposite to the valve rod 11 is provided with an ejection spring 6. The specific adoption is as follows: a communication hole 9 is arranged between the air inlet pipeline 4 and the air outlet pipeline 5, a plug 111 matched with the communication hole 9 is arranged on the valve rod 11, and when the electromagnetic coil 10 does not work, the plug 111 is plugged in the communication hole 9 under the action of the ejection spring 6, so that the air inlet pipeline 4 and the air outlet pipeline 5 are disconnected. When the electromagnetic coil 10 works, the generated electromagnetic force enables the armature 3 to move towards one end of the ejection spring 6 against the elastic force of the ejection spring 6, so that the plug 111 is separated from the communication hole 9. In order to conveniently control the ventilation amount of the communication hole 9, the plug 111 has a conical structure, and the structure enables the air inflow to be continuously increased along with the fact that the plug 111 is continuously far away from the communication hole 9, so that different air inflow can be achieved by controlling the travel of the armature 3 to achieve different opening degrees.
In order to ensure the running precision of the armature 3 and reduce the problem of friction force increase caused by deformation of a coil skeleton during manufacturing and assembly, a metal sleeve 7 is sleeved in the inner cavity of the coil skeleton 2, preferably stainless steel which is convenient to form and high in strength is adopted, so that the inner cavity 21 with high precision requirement is obtained, the matching precision of the armature 3 is ensured, and in order to further reduce the friction resistance of the armature 3 during running, the surface of the armature 3 is coated with a layer of wear-resistant coating 31, and the wear-resistant coating 31 is preferably made of Teflon material which has certain self-lubricity, so that the friction resistance can be further reduced, the abrasion is reduced, and the service life is prolonged.
In order to facilitate fine adjustment of the stroke of the armature 3 after assembly is completed, an adjusting bolt 8 is arranged on the shell 1, the adjusting bolt 8 is propped against the other end of the ejection spring 6 opposite to the armature 3, and the ejection elastic force of the ejection spring 6 is adjusted through the adjusting bolt 8, so that the stroke of the armature 3 is adjusted, and the required design stroke requirement is obtained.
The utility model is described above by way of example with reference to the accompanying drawings. It will be clear that the utility model is not limited to the embodiments described above. As long as various insubstantial improvements are made using the method concepts and technical solutions of the present utility model; or the utility model is not improved, and the conception and the technical scheme are directly applied to other occasions and are all within the protection scope of the utility model.
Claims (4)
1. The utility model provides a high accuracy carbon tank solenoid valve, includes casing (1), places coil skeleton (2) in casing (1), places armature (3) that can reciprocate in coil skeleton (2) inner chamber in, and armature (3) internal fixation is provided with valve rod (11), be provided with air inlet pipe (4) and air outlet pipe (5) of intercommunication each other on casing (1), the front end shutoff of valve rod (11) is in the butt joint department of air inlet pipe (4) and air outlet pipe (5) in order to control the break-make of air inlet pipe (4) and air outlet pipe (5), and the other end of armature (3) for valve rod (11) is provided with ejection spring (6); the method is characterized in that: the inner cavity of the coil framework (2) is sleeved with a metal sleeve (7), and the surface of the armature (3) is coated with a layer of wear-resistant coating (31).
2. The high precision carbon canister solenoid valve as defined in claim 1, wherein: an adjusting bolt (8) is arranged on the shell (1), and the adjusting bolt (8) is propped against the other end of the ejection spring (6) opposite to the armature (3).
3. The high precision carbon canister solenoid valve as defined in claim 1, wherein: a communication hole (9) is formed between the air inlet pipeline (4) and the air outlet pipeline (5), a plug (111) matched with the communication hole (9) is arranged at the front end of the valve rod (11), and the plug (111) is of a conical structure.
4. The high precision carbon canister solenoid valve as defined in claim 1, wherein: the metal sleeve (7) is made of stainless steel, and the wear-resistant coating (31) is made of Teflon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321676645.8U CN220082268U (en) | 2023-06-29 | 2023-06-29 | High-precision carbon tank electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321676645.8U CN220082268U (en) | 2023-06-29 | 2023-06-29 | High-precision carbon tank electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220082268U true CN220082268U (en) | 2023-11-24 |
Family
ID=88820646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321676645.8U Active CN220082268U (en) | 2023-06-29 | 2023-06-29 | High-precision carbon tank electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220082268U (en) |
-
2023
- 2023-06-29 CN CN202321676645.8U patent/CN220082268U/en active Active
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