CN215635279U - Low-leakage oil control electromagnetic valve sealing structure - Google Patents
Low-leakage oil control electromagnetic valve sealing structure Download PDFInfo
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- CN215635279U CN215635279U CN202121282541.XU CN202121282541U CN215635279U CN 215635279 U CN215635279 U CN 215635279U CN 202121282541 U CN202121282541 U CN 202121282541U CN 215635279 U CN215635279 U CN 215635279U
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Abstract
The utility model discloses a low-leakage oil control electromagnetic valve sealing structure, which relates to the field of electromagnetic control fluid and adopts the technical scheme that: including the valve body that has the glib talker and with valve body fixed connection's solenoid valve body, be provided with entry and export on the valve body, it is provided with the oil pocket to lie in between entry and the export in the valve body, the one side that lies in the oil pocket in the valve body is provided with the iron core, there are slider and sealing element towards coaxial sliding connection in proper order in the entry in the iron core, the one end and the sealing element of slider offset, the other end and the push rod fixed connection who sets up on the output of solenoid valve body of slider, sealing element keeps away from and is provided with the spring between the one end of slider and the valve body, the last conical surface that is provided with of sealing element, lie in the oil pocket and be provided with the right angle side on the valve body, the conical surface can support tightly on the right angle side, make right angle side and conical surface form the line contact. The utility model can select smaller electromagnetic coils, can play a good role in sealing and can reduce leakage.
Description
Technical Field
The utility model relates to the field of electromagnetic control fluid, in particular to a low-leakage oil control electromagnetic valve sealing structure.
Background
The cooling and lubrication of the engine oil are important for the engine, under the requirement of larger oil pressure and large flow rate of the engine, lower leakage is a challenge for sealing the solenoid valve, a common mode is to select a larger electromagnetic coil to generate magnetic force to resist the oil pressure and reduce the leakage, but the defects are that the solenoid valve is larger in size, needs more installation space and is higher in cost.
Therefore, a new solution is needed to solve this problem.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a low-leakage oil control electromagnetic valve sealing structure, which can play a better sealing role by selecting a smaller electromagnetic coil under the conditions of high flow and lower leakage requirements, so that the leakage can be reduced, and therefore, the low-leakage oil control electromagnetic valve sealing structure has the advantages of small electromagnetic valve volume, low design cost and high sealing performance.
The technical purpose of the utility model is realized by the following technical scheme: the utility model provides a low oil control solenoid valve seal structure who leaks, including the valve body that has glib and with valve body fixed connection's solenoid valve body, be provided with entry and export on the valve body, be located in the valve body and be provided with the oil pocket between entry and the export, one side that is located the oil pocket in the valve body is provided with the iron core, there are slider and sealing element towards entry coaxial sliding connection in proper order in the iron core, the one end and the sealing element of slider offset, the other end and the push rod fixed connection of setting on the output of solenoid valve body of slider, sealing element keeps away from and is provided with the spring between the one end of slider and the valve body, the last conical surface that is provided with of sealing element, it is provided with right-angle side to lie in the oil pocket on the valve body, the conical surface can support tightly on the right-angle side, makes right-angle side and conical surface shape line contact.
Through adopting above-mentioned technical scheme, through the setting on conical surface and right angle limit, the conical surface supports tightly on the right angle edge in the course of the work for right angle limit forms line contact with the conical surface, can improve sealing element's sealing capacity like this, thereby reaches the effect that reduces the leakage.
The utility model is further configured to: a first arc-shaped part and a second arc-shaped part are respectively arranged on the sliding block and the sealing element at the contact ends of the sliding block and the sealing element, and the first arc-shaped part and the second arc-shaped part are tangent.
Through adopting above-mentioned technical scheme, because manufacturing and installation error cause and directly exert drive power for sealing element at the push rod, its concentricity is hardly guaranteed, thereby can greatly reduced sealing element's sealing capacity, setting through the slider, and set up first arc portion on the slider, set up second arc portion on sealing element, the push rod promotes the sealing element motion in the slider motion can be promoted, and can compensate the produced axial displacement of slider and sealing element motion in-process through such design, radial displacement and angle displacement, make it have better self-aligning ability, thereby reach the effect that reduces leakage amount.
The utility model is further configured to: the inlet is a plurality of fan-shaped openings annularly arranged on the end face of the oil nozzle around the axis of the valve body, and the fan-shaped openings are communicated with the oil cavity.
The utility model is further configured to: the valve body is fixedly connected with a connecting column at the axis of the valve body, one end of the spring is fixedly connected with the connecting column, and the other end of the spring is embedded and connected in the sealing element.
Through adopting above-mentioned technical scheme, the spliced pole sets up in the center of encircleing of a plurality of fan-shaped mouths, and in the course of the work, the spliced pole can not disturb the oil feed of fan-shaped mouth.
The utility model is further configured to: and oil drainage small holes are formed in the sliding block and the sealing element.
The utility model is further configured to: and a sealing part is arranged on the outer circumferential wall of the valve body, and a sealing rubber ring is arranged on the sealing part.
By adopting the technical scheme, the sealing performance of the utility model for connecting with external equipment is improved by arranging the sealing rubber ring.
The utility model is further configured to: and a flange for connecting external equipment is arranged on one side of the sealing part outside the valve body.
In conclusion, the utility model has the following beneficial effects: in the working process, when the electromagnetic valve body is powered off, the sealing element, the sliding block and the push rod are moved towards the electromagnetic valve body by the spring and oil pressure, and engine oil flows into the outlet from the inlet arranged at the oil nozzle; when the solenoid valve body circular telegram, the electromagnetic force promotes the push rod, promote the slider by the push rod, promote sealing element by the slider again and remove to the entry direction, the entry is closed, prevent entry machine oil from flowing into the export, make the entry end of glib department sealed, thereby under the large-traffic and lower leakage requirement condition, can choose for use less solenoid, be favorable to reducing the design cost of solenoid valve body, simultaneously through the design of first arc portion and second arc portion, can compensate the produced axial displacement in slider and the sealing element motion process, radial displacement and angle displacement, make it have better self-aligning ability, can play fine sealed effect, reduce the leakage.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial cross-sectional view of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is an enlarged view of a portion B in fig. 2.
In the figure: 1. a valve body; 11. a nozzle tip; 12. an inlet; 13. an outlet; 14. an oil chamber; 15. a right-angle side; 2. sealing the rubber ring; 3. a solenoid valve body; 4. a flange; 5. an iron core; 6. a push rod; 7. a slider; 71. a first arcuate portion; 8. a sealing element; 81. a second arcuate portion; 82. a conical surface; 9. a spring; 10. connecting columns.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A low-leakage oil control electromagnetic valve sealing structure is shown in figures 1-4 and comprises a valve body 1 with an oil nozzle 11 and an electromagnetic valve body 3 fixedly connected with the valve body 1, wherein an inlet 12 and an outlet 13 are arranged on the valve body 1, an oil cavity 14 is arranged between the inlet 12 and the outlet 13 in the valve body 1, an iron core 5 is arranged on one side of the oil cavity 14 in the valve body 1, a sliding block 7 and a sealing element 8 are coaxially and slidably connected in sequence towards the inlet 12 in the iron core 5, one end of the sliding block 7 is abutted against the sealing element 8, the other end of the sliding block 7 is fixedly connected with a push rod 6 arranged on the output end of the electromagnetic valve body 3, a spring 9 is arranged between one end of the sealing element 8 far away from the sliding block 7 and the valve body 1, a conical surface 82 is arranged on the sealing element 8, and a right-angle side 15 is arranged in the oil cavity 14 on the valve body 1, the conical surface 82 can abut against the right-angle side 15, so that the right-angle side 15 and the conical surface 82 form line contact, and through the arrangement of the conical surface 82 and the right-angle side 15, the conical surface 82 abuts against the right-angle side 15 in the working process, so that the right-angle side 15 and the conical surface 82 form line contact, the sealing capacity of the sealing element 8 can be improved, and the effect of reducing leakage is achieved.
On the basis, the contact ends of the sliding block 7 and the sealing element 8 are respectively provided with a first arc-shaped part 71 and a second arc-shaped part 81, the first arc-shaped part 71 is tangent to the second arc-shaped part 81, when the push rod 6 directly applies the driving force to the sealing member 8 due to manufacturing and mounting errors, the concentricity thereof is hardly secured and the sealing ability of the sealing member 8 is greatly lowered, by the arrangement of the slider 7, and the first arc-shaped portion 71 is provided on the slider 7, the second arc-shaped part 81 is arranged on the sealing element 8, the push rod 6 pushes the slide block 7 to move and simultaneously pushes the sealing element 8 to move, and axial displacement, radial displacement and angular displacement generated in the movement process of the sliding block 7 and the sealing element 8 can be compensated through the design, so that the self-aligning capability is better, and the leakage amount is reduced.
On the basis, the inlet 12 is a plurality of fan-shaped ports annularly arranged on the end surface of the oil nozzle 11 around the axis of the valve body 1, and the fan-shaped ports are communicated with the oil cavity 14.
On the basis, lie in its axle center fixedly connected with spliced pole 10 on the valve body 1, the one end and the spliced pole 10 fixed connection of spring 9, the other end embedding of spring 9 is connected in sealing element 8, and spliced pole 10 sets up in the center of encircleing of a plurality of fan-shaped mouths, and in the course of the work, spliced pole 10 can not disturb the oil feed of fan-shaped mouth.
On the basis, the sliding block 7 and the sealing element 8 are provided with small oil drainage holes.
On the basis, the outer circumferential wall of the valve body 1 is provided with the sealing part, the sealing part is provided with the sealing rubber ring 2, and the sealing performance of the connection between the valve body and external equipment is improved through the arrangement of the sealing rubber ring 2.
On the basis of the above, a flange 4 for connecting external equipment is arranged on one side of the sealing part outside the valve body 1.
The working principle is as follows: in the working process, when the electromagnetic valve body 3 is powered off, the spring 9 and the oil pressure move the sealing element 8, the slide block 7 and the push rod 6 towards the electromagnetic valve body 3, and the engine oil flows into the outlet 13 from the inlet 12 arranged at the oil nozzle 11; when the electromagnetic valve body 3 is electrified, the electromagnetic force pushes the push rod 6, the push rod 6 pushes the sliding block 7, the sliding block 7 pushes the sealing element 8 to move towards the inlet 12, the inlet 12 is closed, engine oil at the inlet 12 is prevented from flowing into the outlet 13, and the inlet 12 end at the oil nozzle 11 is sealed, so that under the conditions of large flow and low leakage requirements, a smaller electromagnetic coil can be selected, the design cost of the electromagnetic valve body 3 is favorably reduced, and meanwhile, through the design of the first arc-shaped part 71 and the second arc-shaped part 81, the axial displacement, the radial displacement and the angular displacement generated in the movement process of the sliding block 7 and the sealing element 8 can be compensated, so that the electromagnetic valve body has better self-aligning capability, can play a good sealing role, and reduces leakage.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.
Claims (7)
1. The utility model provides a low oil control solenoid valve seal structure who leaks, including valve body (1) that has glib talker (11) and with valve body (1) fixed connection's solenoid valve body (3), be provided with entry (12) and export (13) on valve body (1), its characterized in that: an oil cavity (14) is arranged between the inlet (12) and the outlet (13) in the valve body (1), an iron core (5) is arranged on one side of the oil cavity (14) in the valve body (1), a sliding block (7) and a sealing element (8) are sequentially coaxially and slidably connected towards the inlet (12) in the iron core (5), one end of the sliding block (7) is abutted against the sealing element (8), the other end of the sliding block (7) is fixedly connected with a push rod (6) arranged on the output end of the electromagnetic valve body (3), a spring (9) is arranged between one end, far away from the sliding block (7), of the sealing element (8) and the valve body (1), a conical surface (82) is arranged on the sealing element (8), a right-angle edge (15) is arranged in the oil cavity (14) on the valve body (1), and the right-angle edge (82) can be abutted against the right-angle edge (15), so that the right-angled edge (15) and the conical surface (82) form line contact.
2. The low-leakage oil control electromagnetic valve sealing structure according to claim 1, characterized in that: a first arc-shaped part (71) and a second arc-shaped part (81) are respectively arranged on the sliding block (7) and the sealing element (8) at the contact ends of the sliding block and the sealing element, and the first arc-shaped part (71) and the second arc-shaped part (81) are tangent.
3. The low-leakage oil control electromagnetic valve sealing structure according to claim 1, characterized in that: the inlet (12) is a plurality of fan-shaped openings annularly arranged on the end face of the oil nozzle (11) around the axis of the valve body (1), and the fan-shaped openings are communicated with the oil cavity (14).
4. The low-leakage oil control electromagnetic valve sealing structure according to claim 1, characterized in that: lie in its axle center fixedly connected with spliced pole (10) on valve body (1), the one end and spliced pole (10) fixed connection of spring (9), the other end embedding of spring (9) is connected in sealing element (8).
5. The low-leakage oil control electromagnetic valve sealing structure according to claim 1, characterized in that: and oil drainage small holes are formed in the sliding block (7) and the sealing element (8).
6. The low-leakage oil control electromagnetic valve sealing structure according to claim 1, characterized in that: the valve is characterized in that a sealing part is arranged on the outer circumferential wall of the valve body (1), and a sealing rubber ring (2) is arranged on the sealing part.
7. The low-leakage oil control electromagnetic valve sealing structure according to claim 6, characterized in that: and a flange (4) for connecting external equipment is arranged on one side of the outside of the valve body (1) positioned at the sealing part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121282541.XU CN215635279U (en) | 2021-06-09 | 2021-06-09 | Low-leakage oil control electromagnetic valve sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121282541.XU CN215635279U (en) | 2021-06-09 | 2021-06-09 | Low-leakage oil control electromagnetic valve sealing structure |
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| CN215635279U true CN215635279U (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121282541.XU Active CN215635279U (en) | 2021-06-09 | 2021-06-09 | Low-leakage oil control electromagnetic valve sealing structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187945A (en) * | 2021-06-09 | 2021-07-30 | 艾通电磁技术（昆山）有限公司 | Low-leakage oil control electromagnetic valve sealing structure |
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2021
- 2021-06-09 CN CN202121282541.XU patent/CN215635279U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187945A (en) * | 2021-06-09 | 2021-07-30 | 艾通电磁技术（昆山）有限公司 | Low-leakage oil control electromagnetic valve sealing structure |
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