CN216643243U - Electromagnetic valve assembly - Google Patents
Electromagnetic valve assembly Download PDFInfo
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- CN216643243U CN216643243U CN202123136115.8U CN202123136115U CN216643243U CN 216643243 U CN216643243 U CN 216643243U CN 202123136115 U CN202123136115 U CN 202123136115U CN 216643243 U CN216643243 U CN 216643243U
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- movable iron
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- iron core
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Abstract
The utility model relates to a solenoid valve assembly, which is characterized in that: the valve comprises a valve shell, a valve seat assembly, a movable iron core and a movable iron, wherein the movable iron core is used for providing a reset force after the movable iron core moves; the coil assemblies are distributed on two sides of the movable iron core; the adjustable valve core is arranged at the lower end of the movable iron core; the adjustable valve core is detachably connected with the movable iron core, the external electromagnetic valve is applied to the shock absorber, a main sliding opening and closing stroke contact surface of the adjustable valve core is contacted with an inner contact surface to form a sealing area under a normal state, and when the movable iron core works to drive the adjustable valve core to move downwards, the main sliding opening and closing stroke contact surface is separated from the inner contact surface to form a gap of a fluid flow channel, so that conduction is realized, and the work of a main valve core assembly is controlled. The electromagnetic valve assembly disclosed by the utility model is simple in design, can reasonably regulate pressure according to the pressure in the shock absorber so as to enable the shock absorber to be in a better working state, and is additionally provided with the valve core in an adjustable mode.
Description
Technical Field
The utility model relates to the technical field of electromagnetic valves, in particular to an electromagnetic valve assembly.
Background
In order to improve the running smoothness of the automobile, a shock absorber is arranged in the suspension in parallel with the elastic element, and is used for attenuating the shock.
Aiming at the problem that the oil pressure in the shock absorber cannot be actively and quickly controlled, a plurality of flow bypass valves or electromagnetic valves are also designed in the current market, wherein a closed cavity is formed in each electromagnetic valve, through holes are formed in different positions, each hole is connected with different oil pipes, a piston is arranged in the middle of each cavity, an oil discharge hole is opened or closed by controlling the movement of a valve rod or a valve core in each valve body, and the flow circulation is controlled by the opening and closing mode.
The electromagnetic valve is ideal for shunting and controlling the pressure in the shock absorber, and the electromagnetic valve related to the shock absorber is designed in the market to achieve the purpose of electric control.
The present invention is an improvement in view of the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solenoid valve assembly, which solves the problems existing in the use process in the prior art.
The technical scheme of the utility model is realized as follows:
an electromagnetic valve assembly, characterized in that: comprises that
The valve shell is provided with an inner accommodating cavity, a port to be installed is formed in the valve shell, and the valve shell is provided with a valve cover matched with the valve shell;
the valve seat assembly is arranged on the opening to be installed of the valve shell and is used as a fluid inlet section;
the movable iron core can move up or down in the accommodating cavity in the valve shell under the change of external force;
the movable iron is arranged on the end face of the movable iron core, at least one group of first reset elastic pieces are arranged on the movable iron, one end of each first reset elastic piece is abutted against the movable iron, and the other end of each first reset elastic piece is abutted against a step arranged in the valve shell and used for providing reset force for the movable iron core;
the coil assemblies are distributed on two sides of the movable iron core;
the adjustable valve core is arranged at the lower end of the movable iron core;
the valve seat assembly comprises a valve seat, a lower valve cover matched with the valve seat and a main valve element assembly arranged on the valve seat, wherein the main valve element assembly comprises a main valve element and a valve elastic part, the main valve element is provided with the valve elastic part, the lower end of the valve elastic part is abutted against the main valve element, the valve seat is provided with a valve port, a flow channel is formed between the valve seat and the valve shell, the main valve element is attached and sealed with the lower valve cover under normal conditions, when the main valve element and the lower valve cover are separated through downward movement of the adjustable valve element, the valve seat is provided with a spacer ring, an upper valve seat cavity and a lower valve seat cavity which are communicated are formed through the spacer ring, the adjustable valve element is arranged in the upper valve seat cavity and is contacted with the spacer ring to form a closed upper valve seat cavity, the lower valve seat cavity is provided with the main valve element assembly, the adjustable valve element is driven to be separated from the spacer ring through the movement of the movable iron core to communicate the upper valve seat cavity with the lower valve seat cavity, and changing the pressure of the upper cavity of the valve seat to drive the main valve core to be separated from the lower valve cover and open the valve port of the valve seat.
The adjustable valve element is detachably connected with the movable iron core, the adjustable valve element is provided with a valve body opening and closing piece, the valve body opening and closing piece is provided with an outer contact wall, the outer contact wall is used as a main sliding opening and closing stroke contact surface in the moving process of the adjustable valve element, the spacer ring forms a valve seat moving channel, the valve body opening and closing piece moves on the valve seat moving channel, a fixed ring seat is installed in the valve seat, the fixed ring seat is provided with a flow channel hole, the valve seat moving channel is provided with an inner contact surface, the main sliding opening and closing stroke contact surface is in contact with the inner contact surface in a normal state to form a sealing area, and when the movable iron core works to drive the adjustable valve element to move downwards, the main sliding opening and closing stroke contact surface is separated from the inner contact surface to form a gap of a fluid flow channel, so that an upper valve seat cavity and a lower valve seat are communicated to control the work of the main valve element assembly.
Preferably, the fixed ring seat is provided with a second elastic resetting piece, the lower end of the second elastic resetting piece is abutted against the fixed ring seat, and the upper end of the valve elastic resetting piece is abutted against the lower end of the valve body opening and closing piece of the adjustable valve core.
Preferably, the outer contact wall of the valve body opening and closing member is formed with a tapered end surface, and when the adjustable valve core moves downwards, the gap between the inner contact surface of the valve seat movable passage and the tapered outer contact wall is gradually increased.
Preferably, the contact between the inner contact surface of the valve seat movable channel and the outer contact wall of the valve body opening and closing member is line contact.
Preferably, the first return elastic member, the second return elastic member and the valve elastic member are all springs.
Preferably, the movable iron core is further provided with a third elastic resetting piece, and the third elastic resetting piece is formed on the upper section of the movable iron core.
Preferably, the valve casing treat that the installing port still installs the connector, this connector has the linkage segment that stretches out outside the valve casing and is located the intercommunication section of valve casing, this linkage segment is opened has interior notch, has inlayed the sealing washer on the interior notch, this intercommunication section is bent and is had two lateral contact sections, and processing becomes to have the bellied protruding ring platform that makes progress on every lateral contact section, and this protruding ring platform is established the lower terminal surface of lower valve gap on form sealing contact.
Preferably, a limiting piece is further installed between the transverse contact section and the valve housing.
The application of the solenoid valve assembly comprises a shock absorber adopting the solenoid valve assembly.
In conclusion, the beneficial effects of the utility model are as follows:
the electromagnetic valve assembly disclosed by the utility model is simple in design, can reasonably regulate pressure according to the pressure in the shock absorber so as to enable the shock absorber to be in a better working state, and is additionally provided with the valve core in an adjustable mode.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of an overall structure of a solenoid valve assembly according to the present invention;
FIG. 2 is a schematic view of an overall structure of a solenoid valve assembly according to the present invention;
FIG. 3 is a first fluid routing diagram of the solenoid valve;
FIG. 4 is a second fluid routing diagram for the solenoid valve;
FIG. 5 is a partial enlarged view of FIG. 2;
fig. 6 is a schematic diagram of the electromagnetic valve and the damper in cooperation.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 6 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 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.
Examples
As shown in FIGS. 1 to 6, the present invention discloses a solenoid valve assembly comprising
A valve case 2, this valve case 2 holds the chamber in having, and open on the valve case and wait the installing port, this valve case is equipped with rather than matched with valve gap 12, waits that the installing port is a through hole, has magnet isolating pipe 19 in this valve case, and interior installation disk seat 1-5 separate and form upper portion and be used for installing magnetic assembly, and magnetic assembly mainly includes coil pack 11, moves iron core 16 and moves iron 17, and magnetic assembly's theory of operation has the prior art and does not do the detailed description.
A valve seat assembly, which is installed on the opening to be installed of the valve housing 2 as a fluid inlet section; the exterior of the valve seat assembly forms a fluid return passage 25 with the valve housing.
And the coil assembly 11 is distributed on two sides of the movable iron core 16 and generates magnetic field force under the condition of electrifying, and the coil assembly is connected with an insert for electric control.
A plunger 16 movable up or down within the valve housing receiving cavity as a result of a change in external force.
The movable iron 17 is installed on the end face of the movable iron core, at least one group of first reset elastic pieces 18 are installed on the movable iron, one end of each first reset elastic piece abuts against the movable iron, the other end of each first reset elastic piece abuts against a step 20 arranged in the valve shell, the reset force of the movable iron core is provided, the step adopts a copper gasket, a lining 21 is further installed on the movable iron core 16, and the copper bushing 14 is located at the end portion of the movable iron core 16.
The adjustable valve core 10 is arranged at the lower end of the movable iron core 16, and the adjustable valve core 10 is arranged at the lower end of the movable iron core 16;
the adjustable valve core 10 and the movable iron core 16 are detachably connected, the connection mode can be pin shaft fixing or thread fixing or buckling and the like, and the connection mode is not described, the scheme adopts a segmentation mode, the adjustable valve core 10 is provided with a valve body opening and closing part 10-1, the valve body opening and closing part is provided with an outer contact wall 10-2, the outer contact wall 10-2 is used as a main sliding opening and closing stroke contact surface in the moving process of the adjustable valve core, the valve seat assembly comprises a valve seat 7, a lower valve cover 4 matched with the valve seat and a main valve core component arranged on the valve seat,
the main valve element assembly comprises a main valve element 5 and a valve elastic piece 6, wherein the valve elastic piece is arranged on the main valve element, the lower end of the valve elastic piece is abutted against the main valve element 5, and the upper end of the valve elastic piece is abutted against a fixed ring seat formed on the fixed ring seat and has a buffering effect; in a normal state, the main valve core and the lower valve cover are attached and sealed, when the main valve core and the lower valve cover are separated and the adjustable valve core moves downwards to work, the valve seat is provided with a valve port C, the valve seat is provided with a spacer ring, a communicated upper valve seat cavity and a lower valve seat cavity are formed through the spacer ring, the adjustable valve core is arranged in the upper valve seat cavity and is in contact with the spacer ring to form a closed upper valve seat cavity, the main valve core assembly is arranged in the lower valve seat cavity, the main sliding opening-closing stroke contact surface is separated from the inner contact surface, the flow is controlled to be changed, the pressure of the upper valve seat cavity of the main valve core is changed, and the size of the valve port C of the main valve core can be changed, so that the purpose of adjusting the flow of the main valve is achieved.
A flow channel is formed between the valve seat 7 and the valve housing 2, the spacer ring in the valve seat 7 is provided with a valve seat movable channel, the valve body opening and closing member moves on the valve seat movable channel, a fixed ring seat 24 is installed in the valve seat, the fixed ring seat 24 is similar to a bowl shape, the fixed ring seat is provided with a flow channel hole 24-1, the valve seat movable channel is provided with an inner contact surface 23, a main sliding opening and closing stroke contact surface is contacted with the inner contact surface to form a sealing area in a normal state, and when the movable iron core works to drive the adjustable valve core to move downwards, the main sliding opening and closing stroke contact surface is separated from the inner contact surface to form a gap of a fluid flow channel so as to realize conduction.
Namely, when the flow of the main valve core is increased, the flow of the shock absorber valve is reduced, and the damping is also reduced; conversely, when the flow rate decreases, the flow rate of the shock absorber valve increases, and the damping force also increases.
When in use, the coil component is firstly electrified, namely controlled in an electric control mode, the movable iron drives the movable iron core which forms an integrated structure to move according to the action of magnetic force, particularly moves up and down, the regulating valve core at the lower end part of the movable iron core 16 synchronously moves down along with the movable iron core, and then the main sliding opening and closing stroke contact surface is separated from the inner contact surface, so that the fluid of the main valve core 5 flows into the upper cavity of the valve seat to realize flow guide, at the moment, the main valve core component is opened, and the main valve core component moves upwards due to oil pressure and is separated from the lower valve cover, the fluid flows into the main valve core flow hole 5-1 in an accelerated way, the valve port C of the valve seat flows into the outside of the valve seat assembly to form a fluid return channel with the valve shell, the pressure of an upper cavity of the main valve core is controlled by controlling the change of the working flow of the adjustable valve core, and the size of a valve opening of the main valve core, namely the size of the valve port of the main valve core assembly and the valve seat, is changed, so that the purpose of adjusting the flow of the main valve core is achieved.
It should be pointed out that the adjustable valve core can be replaced, the replacement of the adjustable valve core can be carried out according to different requirements of the shock absorber 28, the purpose is mainly to adapt to the internal pressure adjustment requirements of different shock absorbers, the problem that the whole electromagnetic valve needs to be redesigned and replaced at present is solved, and the replacement of the adjustable valve core is mainly carried out at the contact position of the main sliding opening-closing stroke contact surface and the internal contact surface so as to respond to the action of the movable iron core in a fastest adapting manner.
Referring to fig. 3, the flow from direction a into direction B, the adjustable valve spool is in the operating condition, wherein the main valve spool assembly opens, i.e., flows out in the direction of fig. 4.
In order to realize the smooth operation of the adjustable valve core, the fixed ring seat is provided with the second elastic resetting part 8, the lower end of the second elastic resetting part 8 is abutted to the upper end face of the fixed ring seat, the upper end of the second elastic resetting part 8 is abutted to the lower end part of the valve body opening and closing part of the adjustable valve core, during use, the smooth operation of the adjustable valve core 10 can be realized, the quick opening condition can not occur, the adjustment is smooth, meanwhile, the first elastic resetting part is combined, the elastic resetting force is further provided, the safety valve is more reliable, and when the flow stopping is needed, the safety valve is more reliable.
In order to realize more effective control of the flow, the outer contact wall 10-2 of the valve body opening and closing piece is processed into an end face with a slope, when the adjustable valve core moves downwards, the gap between the inner contact face of the valve seat movable channel and the outer contact wall with the slope is gradually increased, and the gap is gradually increased in the downward moving process of the adjustable valve core, so that the opening can be gradually enlarged in the opening process, and the flow is controlled favorably, and the accuracy of electric control is realized.
In addition, the contact between the inner contact surface 23 of the valve seat movable channel and the outer contact wall 10-2 of the valve body opening and closing member is line contact, specifically, the inner contact surface of the valve seat movable channel is used as the line contact end, and the inner contact surface and the line contact end form a line contact structure when in contact, so that efficient feedback in the electric control opening process can be ensured, and the purpose of accurate control is achieved.
Further, the first return elastic member 18, the second return elastic member 8, and the valve elastic member 6 are all springs. The installation and processing are convenient.
In order to further guarantee product life, move and still install third elasticity piece 15 that resets on the iron core, this third elasticity piece 15 that resets is shaped into in the upper segment that moves the iron core, specifically last one end is located the up end that moves the iron, the other end is contradicted at 14 lower extremes of copper sheathing, during the use, can prevent effectively to move the iron core return overfast, plays the purpose of buffering.
Install on the shock absorber for better adaptation, this scheme has installed connector 1 in advance, and concrete scheme is as follows: the valve shell to be installed is further provided with a connector 1, the connector 1 is provided with a connecting section 1-1 extending out of the valve shell and a communicating section located in the valve shell, the connecting section is provided with an inner notch, a sealing ring 1-4 is embedded on the inner notch, the communicating section is bent to be provided with two transverse contact sections 1-2, each transverse contact section 1-2 is processed to form a protruding annular table 1-3 protruding upwards, and the protruding annular table 1-3 is arranged on the lower end face of the lower valve cover to form sealing contact.
And a limiting sheet 3 is further arranged between the transverse contact section and the valve shell, and a backflow hole is formed in the limiting sheet 3.
Referring to fig. 5, for the cooperative installation of the solenoid valve and the shock absorber, which belongs to the application of a solenoid valve assembly, a butt joint is opened from the outside of the cylinder body of the shock absorber, a connector is connected to and communicated with an inner cylinder 27, the backflow of the valve housing is communicated with an outer cavity 26 of the shock absorber, the oil passage circulation of the shock absorber changes the capacity according to the work of the piston rod of the shock absorber, the scheme is equivalent to a bypass valve by adding the solenoid valve, the purpose is to play a role of shunting, the accurate oil pressure in the electric control shock absorber can be realized, the comfort of the matched vehicle is improved, when the oil pressure of the inner cylinder 27 of the shock absorber needs to be adjusted, the coil component of the solenoid valve is electrified to drive the movable iron core to work, the adjustable valve core can move downwards to open the main sliding opening and closing stroke contact surface and the inner contact surface, a gap of a fluid flow passage is formed, namely, the oil of the inner cylinder 27 can flow into the fluid backflow passage 25 of the valve housing, this reduces the pressure in the inner cylinder, i.e. the main valve element is opened, the inflowing oil flows into the outer chamber 26 of the shock absorber via the fluid return channel 25, and as the valve port between the main valve element and the valve seat is opened more and more, the flow rate of the shock absorber valve decreases and the damping decreases, whereas if the flow rate of the shock absorber valve decreases, the damping decreases.
Meanwhile, the electromagnetic valve is in sealing connection with the butt joint of the shock absorber in a matched mode, welding is adopted on the outside, the adjustable valve core cannot be replaced at present, if damage occurs, the whole set of valve core needs to be replaced, and the scheme is favorable for maintenance and reduces use cost through a replaceable mode and is very convenient.
The scheme utilizes the electromagnetic control valve on the upper part to change the pressure of the upper cavity, controls the opening and closing of the main valve core and the size of the opening and closing valve port, and is very practical and convenient.
The speed characteristic test of the shock absorber assembly is carried out, the test standard refers to QC/T545-1999, and the damping force at each speed is as follows:
from the test results in the table, the change of the compression and recovery resistance value of the additionally arranged battery valve under the power-off and power-on conditions can be known, and the obvious working pressure of the shock absorber is correspondingly reduced due to the diversion of fluid (oil) after the power-on, so that the effectiveness and the smoothness of the implementation of the scheme are proved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. An electromagnetic valve assembly, characterized in that: comprises that
The valve shell is provided with an inner accommodating cavity, a port to be installed is formed in the valve shell, and the valve shell is provided with a valve cover matched with the valve shell;
the valve seat assembly is arranged on the opening to be installed of the valve shell and is used as a fluid inlet section;
the movable iron core can move up or down in the accommodating cavity in the valve shell under the change of external force;
the movable iron is arranged on the end face of the movable iron core, at least one group of first reset elastic pieces are arranged on the movable iron, one end of each first reset elastic piece is abutted against the movable iron, and the other end of each first reset elastic piece is abutted against a step arranged in the valve shell and used for providing reset force for the movable iron core;
the coil assemblies are distributed on two sides of the movable iron core;
the adjustable valve core is arranged at the lower end of the movable iron core;
the valve seat assembly comprises a valve seat, a lower valve cover matched with the valve seat and a main valve element assembly arranged on the valve seat, wherein the main valve element assembly comprises a main valve element and a valve elastic part, the main valve element is provided with the valve elastic part, the lower end of the valve elastic part is abutted against the main valve element, the valve seat is provided with a valve port, a flow channel is formed between the valve seat and the valve housing, the main valve element and the lower valve cover are in fit sealing in a normal state, when the main valve element and the lower valve cover are separated through downward movement of the adjustable valve element, the valve seat is provided with a spacer ring, a valve seat upper cavity and a lower valve seat lower cavity which are communicated are formed through the spacer ring, the adjustable valve element is arranged in an upper cavity of the valve seat and is contacted with the spacer ring to form a closed valve seat upper cavity, the main valve element assembly is arranged in the lower valve seat lower cavity, the adjustable valve element and the spacer ring are driven to be separated through the movement of the movable iron core to communicate the valve seat upper cavity and the lower valve seat lower cavity, and changing the pressure of the upper cavity of the valve seat to drive the main valve core to be separated from the lower valve cover and open the valve port of the valve seat.
2. A solenoid valve assembly according to claim 1, wherein: the adjustable valve element is detachably connected with the movable iron core, the adjustable valve element is provided with a valve body opening and closing piece, the valve body opening and closing piece is provided with an outer contact wall, the outer contact wall is used as a main sliding opening and closing stroke contact surface in the moving process of the adjustable valve element, the spacer ring forms a valve seat moving channel, the valve body opening and closing piece moves on the valve seat moving channel, a fixed ring seat is installed in the valve seat, the fixed ring seat is provided with a flow channel hole, the valve seat moving channel is provided with an inner contact surface, the main sliding opening and closing stroke contact surface is in contact with the inner contact surface in a normal state to form a sealing area, and when the movable iron core works to drive the adjustable valve element to move downwards, the main sliding opening and closing stroke contact surface is separated from the inner contact surface to form a gap of a fluid flow channel, so that an upper valve seat cavity and a lower valve seat are communicated to control the work of the main valve element assembly.
3. A solenoid valve assembly according to claim 2, wherein: the fixed ring seat is provided with a second reset elastic piece, the lower end of the second reset elastic piece is abutted against the fixed ring seat, and the upper end of the valve elastic piece is abutted against the lower end part of the valve body opening and closing piece of the adjustable valve core.
4. A solenoid valve assembly according to claim 1, wherein: the outer contact wall of the valve body opening and closing piece is processed into an end face with a slope, and when the adjustable valve core moves downwards, a gap between the inner contact face of the valve seat movable channel and the outer contact wall with the slope is gradually increased.
5. The solenoid valve assembly of claim 4, wherein: the contact between the inner contact surface of the valve seat movable channel and the outer contact wall of the valve body opening and closing member is line contact.
6. A solenoid valve assembly as set forth in claim 3 wherein: the first elastic resetting piece, the second elastic resetting piece and the valve elastic piece are all springs.
7. A solenoid valve assembly according to claim 1, wherein: the movable iron core is also provided with a third elastic reset piece, and the third elastic reset piece is formed on the upper section of the movable iron core.
8. A solenoid valve assembly according to claim 1, wherein: the valve casing treat the installing port and still install the connector, this connector has the linkage segment that stretches out outside the valve casing and is located the intercommunication section of valve casing, this linkage segment is opened has interior notch, has inlayed the sealing washer on the interior notch, this intercommunication section is bent has two lateral contact sections, and it has the bellied protruding ring platform that makes progress to process into on every lateral contact section, and this protruding ring platform is established the lower terminal surface of lower valve gap on form sealed contact.
9. The solenoid valve assembly of claim 8, wherein: and a limiting sheet is also arranged between the transverse contact section and the valve shell.
10. A solenoid valve assembly according to claim 9, wherein: a damper comprising a solenoid valve assembly according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123136115.8U CN216643243U (en) | 2021-12-13 | 2021-12-13 | Electromagnetic valve assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123136115.8U CN216643243U (en) | 2021-12-13 | 2021-12-13 | Electromagnetic valve assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216643243U true CN216643243U (en) | 2022-05-31 |
Family
ID=81740950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123136115.8U Active CN216643243U (en) | 2021-12-13 | 2021-12-13 | Electromagnetic valve assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216643243U (en) |
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2021
- 2021-12-13 CN CN202123136115.8U patent/CN216643243U/en active Active
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