CN213839679U

CN213839679U - Novel engine oil control valve

Info

Publication number: CN213839679U
Application number: CN202022219739.5U
Authority: CN
Inventors: 万进全; 张建顺; 邓碧利; 周斌
Original assignee: Zhejiang Aoteng Intelligent Technology Co ltd
Current assignee: Zhejiang Aoteng Intelligent Technology Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-07-30
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a novel engine oil control valve, including the filter screen subassembly, the valve barrel, and a housing, install preceding yoke in the shell, the lower extreme outside cover of preceding yoke has coil pack, armature is installed to the shell, fixedly connected with ejector pin on the armature, the inside jack that is equipped with of preceding yoke, the inside passageway that is equipped with of valve barrel, jack intercommunication passageway, the passageway is from last down establishing in proper order to last passageway, well passageway, lower passageway, install the steel ball in the last passageway, the filter screen subassembly is including last spring, the steel ball is withstood to the spring passageway direction towards the well, the steel ball is withstood to the ejector pin, be equipped with the T mouth on the valve barrel, A mouth, the bypass aperture, the upper end of lower passageway is equipped with the check valve core, be equipped with spacing platform on the ejector pin, install the support on the valve barrel, the cover has plastic casing on the shell. The utility model discloses a novel engine oil control valve, filter screen subassembly simple to operate, near oil pressure can be stabilized at the setting value. Meanwhile, the mounting structure of the engine oil control valve is redesigned, and the assembly convenience and stability of the engine oil control valve are improved.

Description

Novel engine oil control valve

Technical Field

The utility model belongs to the technical field of the machine oil control valve, concretely relates to novel machine oil control valve.

Background

The utility model discloses an engine oil control valve is the pilot control who is used for the hydraulic pressure oil circuit of engine compression braking to change the distribution phase place of engine exhaust valve. When the compression stroke is about to end, the exhaust valve is opened to release the work of the engine compressing air to the exhaust system, the energy can not return to the piston, the impulse of the vehicle is transmitted to the engine through the wheels and the transmission system and becomes the power for reversely dragging the engine to run, and the vehicle brake function is realized. However, the existing oil control valve has the problems of more structural components, complicated assembly, poor stability and easy occurrence of the problems of dead locking of the ejector rod or delayed action. The existing engine oil control valve also has the problems of inconvenient installation, no effective protection of the engine oil control valve and the like.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses a technical scheme is: a novel engine oil control valve comprises a filter screen component, a valve sleeve and a shell which are sequentially connected from top to bottom, wherein a front yoke is installed in the shell, the upper end of the front yoke is fixedly connected with the lower end of the valve sleeve, a coil component is sleeved on the outer side of the lower end of the front yoke and is positioned in the shell, an armature is movably installed in the shell, a push rod is fixedly connected onto the armature, jacks communicated with the two ends of the front yoke are arranged in the front yoke, a channel communicated with the two ends of the valve sleeve is arranged in the valve sleeve and communicated with the jacks, the channel is sequentially provided with an upper channel, a middle channel and a lower channel from top to bottom, the inner diameter of the middle channel is respectively smaller than the inner diameter of the upper channel and the inner diameter of the lower channel, a steel ball capable of plugging the middle channel is installed in the upper channel, the upper end of the upper channel forms a P port at the upper end of the valve sleeve, a bypass small hole communicated with the upper channel is arranged on the valve sleeve, the filter screen component covers the P port, the filter screen subassembly withstands the steel ball including stretching into the last spring in the last passageway, spring towards well passageway direction, the ejector pin is mobilizable in proper order withstands the steel ball after passing jack, lower passageway, well passageway, be equipped with the T mouth of intercommunication lower extreme, the A mouth of passageway in the intercommunication, the bypass aperture of intercommunication upper channel on the valve barrel, the upper end of lower passageway is equipped with the check valve core, and check valve core movable mounting is on the ejector pin, and the lower extreme of passageway in can plugging up in the upper end of check valve core, and the part that lies in the lower passageway on the ejector pin is equipped with the spacing platform that is used for restricting check valve core position, install the support on the valve barrel, the cover has plastic casing on the shell.

Preferably, the lower channel is internally provided with a lower spring which is sleeved on the ejector rod, and two ends of the lower spring sleeve respectively support the check valve core and the front yoke.

Preferably, as above-mentioned technical scheme, the filter screen subassembly is including the apron, and the apron is bent downwards all around and is formed the lid edge, is equipped with the installing port that communicates apron upper surface and lower surface on the apron, installs the filter screen in the installing port, and the lid edge is along with the upper end lock joint or the threaded connection of valve barrel.

Preferably, a cross reinforcing rib is arranged below the filter screen, the periphery of the cross reinforcing rib is fixedly connected with the cover edge, an installation column is arranged in the middle of the cross reinforcing rib, and the upper end of the upper spring is tightly sleeved on the installation column.

Preferably, the upper end of the middle channel is provided with a conical surface, and the conical surface is matched with the steel ball.

Preferably, in the above technical solution, the upper end of the check valve spool is provided with a lower tapered surface, and the lower end of the middle passage is provided with an upper tapered surface matched with the lower tapered surface.

Preferably, the upper end of the middle channel is provided with a plurality of lower guide ribs arranged at uniform intervals, the lower guide ribs surround the valve core of the one-way valve, the lower guide ribs are fixedly connected with the inner wall of the middle channel, the periphery of the upper channel is provided with a plurality of upper guide ribs arranged at uniform intervals, the upper guide ribs surround the steel balls, and the upper guide ribs are fixedly connected with the inner wall of the upper channel.

Preferably as above-mentioned technical scheme, be equipped with the support mounting groove on the valve barrel, the support mounting is equipped with the installation screw in the support mounting groove, the lower extreme of valve barrel is connected through the outer conical surface that the diameter enlarges gradually to the lower extreme of support mounting groove, a plurality of poles of embracing of the upper end fixedly connected with of shell, the outer conical surface of laminating after the upper end of embracing the pole is bent, the upper end both sides of shell fixedly connected with installation arm respectively is equipped with the terminal of connecting coil assembly on the installation arm respectively.

Preferably, as above-mentioned technical scheme, the both sides of plastic casing are equipped with respectively and let the position mouth, and the both sides of letting the position mouth are equipped with the connection piece respectively, and the connection piece of the both sides of the position mouth of stepping down is parallel to each other, and the upper end inboard of connection piece has the pothook, lets the relative setting of pothook on the both sides connection piece of position mouth, and the installation arm is caught respectively to the pothook after the plastic casing overlaps on the shell, and the installation arm stretches out the plastic casing from the position mouth of stepping down.

As above-mentioned technical scheme's preferred, the installation screw is located the one end of support, and the other end of support is equipped with the installation piece that two intervals set up, forms the socket between two installation pieces, and the support mounting groove card on the valve barrel is gone into the socket, is equipped with hunch portion on the installation piece, and the upper end of hunch portion laminating support mounting groove, the lower extreme of the support mounting groove is laminated respectively in the position that is located hunch portion both sides on the installation piece, the socket inboard is laminated with the support mounting groove mutually.

The utility model has the advantages that: the utility model discloses a novel machine oil control valve will go up spring, filter screen etc. and integrate together, form the filter screen subassembly, and filter screen subassembly simple to operate can set up down the spring as required in the lower passageway to the elasticity size of spring gives the different control setting value of machine oil control valve under the design as required, thereby makes the oil pressure stabilize near the setting value. Meanwhile, the mounting structure of the engine oil control valve is redesigned, and the assembly convenience and stability of the engine oil control valve are improved.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is an external structural view of the present invention;

fig. 3 is a schematic structural view of a plastic housing.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, 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 present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, a novel engine oil control valve comprises a filter screen assembly 1, a valve housing 2, and a housing 3, which are sequentially connected from top to bottom, wherein a front yoke 4 is installed in the housing 3, the upper end of the front yoke 4 is fixedly connected with the lower end of the valve housing 2, a coil assembly 5 is sleeved outside the lower end of the front yoke 4, the coil assembly 5 is located in the housing 3, the housing 3 is movably installed with an armature 6, a push rod 7 is fixedly connected to the armature 6, a jack 8 communicating with two ends of the front yoke 4 is arranged in the front yoke 4, a channel communicating with two ends of the valve housing 2 is arranged in the valve housing 2, the channel is sequentially provided with an upper channel 9, a middle channel 10, and a lower channel 11 from top to bottom, the jack 8 communicates with the lower channel 11, the inner diameter of the middle channel 10 is respectively smaller than the inner diameter of the upper channel 9 and the inner diameter of the lower channel 11, a steel ball 12, the upper end of the upper channel 9 forms a P port 13 at the upper end of the valve housing 2, the valve housing 2 is provided with a bypass small hole 18 communicated with the upper channel 9, the filter screen assembly 1 covers the P port 13, the filter screen assembly 1 comprises an upper spring 14 extending into the upper channel 9, the spring 14 props against the steel ball 12 towards the direction of the middle channel 10, the ejector rod 7 can movably penetrate through the jack 8, the lower channel 11 and the middle channel 10 in sequence and then prop against the steel ball 12, the valve housing 2 is provided with a T port (not shown in the section angle problem drawing) communicated with the lower end of the lower channel 11 and an A port 15 communicated with the middle channel 10, the upper end of the lower channel 11 is provided with a one-way valve core 16, the one-way valve core 16 is movably arranged on the ejector rod 7, the upper end of the one-way valve core 16 can block the lower end of the middle channel 10, and the part of the ejector rod 7 positioned in the lower channel 11 is provided with a limit table 17 for limiting the position of the one-way valve core 16. The valve sleeve is provided with a bracket 29, and the shell 3 is sleeved with a plastic shell 30. After the engine oil control valve is installed through the support 29, when the coil assembly 5 is powered off, the upper spring 14 pushes the steel ball 12 to the middle channel 10 so as to block the upper end of the middle channel 10, the oil way of the port P-A is disconnected, oil of the port P flows out through the bypass small hole 18, the bypass small hole 18 is communicated with the port A in equipment, the oil way of the port A-T is in an open state, the oil is discharged from the port T, and the port A has smaller oil pressure. When the coil component 5 is electrified, the front yoke iron 4 generates magnetism and adsorbs the armature iron 6, the ejector rod 7 is driven to move towards the direction of the steel ball 12 and overcomes the elasticity of the upper spring 14 to jack up the steel ball 12, the limiting table 17 drives the check valve spool 16 to move upwards to block the lower end of the middle channel 10, the oil path of the port A-T is in a closed state, the oil path of the port P-A is in an open state, and oil inputs pressure to the port A.

Furthermore, a lower spring 19 is arranged in the lower channel 11, the lower spring 19 is sleeved on the mandril 7, and two ends of the lower spring 19 respectively support the check valve core 16 and the front yoke 4. The lower spring 19 gives the check valve core 16 an elastic force always towards the direction of the middle channel 10, when the coil assembly 5 is powered off, the oil flowing to the port A from the port P increases the oil pressure in the middle channel 10, when the pressure overcomes the elastic force of the lower spring 19, the check valve core 16 descends, the oil path from the port A to the port T is opened, and the oil is discharged from the port T. When the hydraulic pressure at port a is reduced to a certain value, the spring 19 becomes larger than the hydraulic pressure at port a, and the check valve spool 16 is closed while rising. Thus, the oil in the port A can be maintained near a certain pressure.

Further, the filter screen assembly 1 includes a cover plate 20, the periphery of the cover plate 20 is bent downwards to form a cover edge 21, a mounting opening for communicating the upper surface and the lower surface of the cover plate 20 is formed in the cover plate 20, a filter screen 22 is mounted in the mounting opening, and the cover edge 21 is fastened with the upper end of the valve housing 2.

Furthermore, a cross reinforcing rib 23 is arranged below the filter screen 22, the periphery of the cross reinforcing rib 23 is fixedly connected with a cover edge 21, an installation column 24 is arranged in the middle of the cross reinforcing rib 23, and the upper end of the upper spring 14 is tightly sleeved on the installation column 24.

Furthermore, the upper end of the middle channel 10 is provided with a conical surface 25, and the conical surface 25 is matched with the steel ball 12.

Further, the upper end of the check valve core 16 is provided with a lower tapered surface 26, and the lower end of the middle passage 10 is provided with an upper tapered surface 27 which is matched with the lower tapered surface 26. The cooperation of the lower tapered surface 26 with the upper tapered surface 27 facilitates accurate positioning of the check valve spool 16 and blocks the lower end of the middle passageway 10.

Furthermore, a plurality of lower guide ribs 28 which are uniformly arranged at intervals are arranged around the upper end of the middle channel 10, the lower guide ribs 28 surround the check valve core 16, and the lower guide ribs 28 are fixedly connected with the inner wall of the middle channel 10. A plurality of upper guide ribs 31 which are uniformly arranged at intervals are arranged on the periphery of the upper channel 9, the upper guide ribs 31 surround the steel balls 12, and the upper guide ribs 31 are fixedly connected with the inner wall of the upper channel 9. Because the check valve core 16 is movably sleeved on the ejector rod 7, the check valve core 16 is easy to be stuck in the moving process to cause oil leakage, and the lower guide rib 28 ensures that the upper conical surface 27 of the check valve core 16 can be accurately inserted into and attached to the lower conical surface 26 in the moving process, thereby ensuring the sealing effect.

Further, be equipped with support mounting groove 32 on the valve barrel 2, support 29 installs in support mounting groove 32, is equipped with installation screw 33 on the support 29, the lower extreme of valve barrel 2 is connected through the outer conical surface 34 that the diameter enlarges gradually to the lower extreme of support mounting groove 32, a plurality of poles 35 of embracing of the upper end fixedly connected with of shell 3, the outer conical surface 34 of laminating after embracing pole 35's upper end is bent, the upper end both sides of shell 3 fixedly connected with installation arm 36 respectively is equipped with the terminal 37 of connecting coil assembly 5 on the installation arm 36 respectively.

Furthermore, the two sides of the plastic shell 38 are respectively provided with a yielding port 39, the two sides of the yielding port 39 are respectively provided with a connecting sheet 40, the connecting sheets 40 on the two sides of the yielding port 39 are parallel to each other, the inner side of the upper end of the connecting sheet 40 is provided with a hook 41, the hooks 41 on the connecting sheets 40 on the two sides of the yielding port 39 are oppositely arranged, the plastic shell 38 is sleeved on the shell 3, the hooks 41 respectively hook the mounting arm 36, and the mounting arm 36 extends out of the plastic shell 38 from the yielding port 39.

Further, installation screw 33 is located the one end of support 29, and the other end of support 29 is equipped with the installation piece 42 that two intervals set up, forms the socket between two installation pieces 42, and the jack-up mounting groove 32 card on the valve barrel 2 is gone into the socket, is equipped with hunch portion 43 on the installation piece 42, and the upper end of the jack-up portion 43 laminating jack-up mounting groove 32 is laminated respectively in the position that lies in hunch portion 43 both sides on the installation piece 42 lower extreme of jack-up mounting groove 32, the socket is inboard to laminate mutually with jack-up mounting groove 32. The bracket 29 and the mounting piece 42 are integrally formed, and the thickness of the mounting piece 42 is matched with that of the bracket mounting groove 32. So that the valve sleeve 2 can be firmly mounted on the carrier 29. The bracket 29 is then mounted in the device by means of mounting screw holes 33.

It is worth mentioning that the technical features such as coil assembly 5 that the utility model discloses a patent application relates to should be regarded as prior art, and the concrete structure of these technical features, theory of operation and the control mode that may involve, spatial arrangement mode adopt in the field conventional selection can, should not be regarded as the utility model discloses a point is located, the utility model discloses a do not do further specifically expand the detailing.

Having described in detail preferred embodiments of the present invention, it is to be understood that modifications and variations can be made by persons skilled in the art without inventive faculty, and therefore all technical solutions which can be obtained by a person skilled in the art based on the concepts of the present invention through logic analysis, reasoning or limited experimentation will fall within the scope of protection defined by the claims.

Claims

1. A novel engine oil control valve is characterized by comprising a filter screen assembly, a valve sleeve and a shell which are sequentially connected from top to bottom, wherein a front yoke is installed in the shell, the upper end of the front yoke is fixedly connected with the lower end of the valve sleeve, a coil assembly is sleeved on the outer side of the lower end of the front yoke and is positioned in the shell, an armature is movably installed in the shell, a push rod is fixedly connected onto the armature, jacks communicated with the two ends of the front yoke are formed in the front yoke, a channel communicated with the two ends of the valve sleeve is formed in the valve sleeve and is communicated with the channels, the channels are sequentially arranged into an upper channel, a middle channel and a lower channel from top to bottom, the inner diameter of the middle channel is smaller than that of the upper channel and that of the lower channel respectively, a steel ball capable of plugging the middle channel is installed in the upper channel, a P port is formed at the upper end of the valve sleeve, and a bypass small hole communicated with the upper channel is formed in the valve sleeve, the filter screen subassembly covers P mouth, and the filter screen subassembly withstands the steel ball including stretching into the last spring in the last passageway, spring towards well passageway direction, the ejector pin is mobilizable in proper order and withstands the steel ball after passing jack, lower passageway, well passageway, be equipped with the T mouth of intercommunication lower extreme, the A mouth of intercommunication well passageway, the bypass aperture of intercommunication upper channel on the valve barrel, the upper end of lower passageway is equipped with the check valve case, check valve case movable mounting is on the ejector pin, and the lower extreme of well passageway can be plugged up to the upper end of check valve case, and the part that lies in the lower passageway on the ejector pin is equipped with the spacing platform that is used for restricting check valve case position, install the support on the valve barrel, the cover has the plastic casing on the shell.

2. The novel engine oil control valve as claimed in claim 1, wherein a lower spring is disposed in the lower passage, the lower spring is sleeved on the ejector rod, and two ends of the lower spring sleeve respectively support against the check valve core and the front yoke.

3. The novel engine oil control valve as claimed in claim 1, wherein said screen assembly comprises a cover plate, the periphery of the cover plate is bent downward to form a cover rim, the cover plate is provided with a mounting opening communicating the upper surface and the lower surface of the cover plate, a screen is mounted in the mounting opening, and the cover rim is fastened or screwed with the upper end of the valve housing.

4. The novel engine oil control valve as claimed in claim 3, wherein a cross-shaped reinforcing rib is arranged below the filter screen, the periphery of the cross-shaped reinforcing rib is fixedly connected with the cover edge, a mounting column is arranged in the middle of the cross-shaped reinforcing rib, and the upper end of the upper spring is tightly sleeved on the mounting column.

5. The novel engine oil control valve as defined in claim 1, wherein the upper end of said central passage is provided with a tapered surface which is matched with the steel ball.

6. The novel engine oil control valve as defined in claim 1 wherein the upper end of said check valve spool is provided with a lower tapered surface and the lower end of said center passageway is provided with an upper tapered surface that mates with said lower tapered surface.

7. The novel engine oil control valve as claimed in claim 6, wherein the upper end of the middle channel is provided with a plurality of lower guide ribs at regular intervals, the lower guide ribs surround the valve core of the one-way valve, the lower guide ribs are fixedly connected with the inner wall of the middle channel, the upper channel is provided with a plurality of upper guide ribs at regular intervals, the upper guide ribs surround the steel balls, and the upper guide ribs are fixedly connected with the inner wall of the upper channel.

8. The novel engine oil control valve as claimed in claim 1, wherein the valve housing is provided with a bracket mounting groove, the bracket is mounted in the bracket mounting groove, the bracket is provided with a mounting screw hole, the lower end of the bracket mounting groove is connected with the lower end of the valve housing through an outer conical surface with gradually enlarged diameter, the upper end of the housing is fixedly connected with a plurality of holding rods, the upper ends of the holding rods are bent and then attached to the outer conical surface, two sides of the upper end of the housing are respectively and fixedly connected with mounting arms, and the mounting arms are respectively provided with a binding post for connecting the coil assembly.

9. The novel engine oil control valve as claimed in claim 8, wherein the plastic housing is provided with a relief opening on each side thereof, the relief opening is provided with a connecting piece on each side thereof, the connecting pieces on each side of the relief opening are parallel to each other, the connecting piece is provided with a hook on an inner side of an upper end thereof, the hooks on the connecting pieces on each side of the relief opening are oppositely arranged, the hooks respectively hook the mounting arms after the plastic housing is fitted over the housing, and the mounting arms extend out of the plastic housing from the relief openings.

10. The novel engine oil control valve as claimed in claim 9, wherein the mounting screw hole is formed at one end of the bracket, the other end of the bracket is provided with two mounting pieces which are arranged at intervals, a socket is formed between the two mounting pieces, the bracket mounting groove on the valve housing is clamped into the socket, the mounting pieces are provided with an arch portion, the arch portion is attached to the upper end of the bracket mounting groove, the portions of the mounting pieces on both sides of the arch portion are respectively attached to the lower end of the bracket mounting groove, and the inner side of the socket is attached to the bracket mounting groove.