CN216742247U

CN216742247U - Novel structure proportional valve

Info

Publication number: CN216742247U
Application number: CN202220014984.9U
Authority: CN
Inventors: 孙抗; 申照瑞; 郭鹏飞; 吕林军
Original assignee: Heyuan Jichuangxing Technology Co ltd
Current assignee: Heyuan Jichuangxing Technology Co ltd
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2022-06-14
Anticipated expiration: 2032-01-06

Abstract

The utility model relates to a novel structure proportional valve which comprises an electromagnetic assembly and an outer shell assembly, wherein the electromagnetic assembly is connected with the outer shell assembly, the electromagnetic assembly comprises a fixed iron core, a movable iron core, a coil and a coil frame, the coil is wound on the periphery of the coil frame, the movable iron core is positioned in a cavity of the coil frame, one end of the fixed iron core is connected with the movable iron core through a spring, the other end of the fixed iron core penetrates through the outer shell assembly and is installed on the outer shell assembly, a stopping piece is installed at one end, close to the fixed iron core, of the movable iron core, and two inclined planes which are symmetrical to each other are arranged at one side, close to the fixed iron core, of the stopping piece. The proportional valve is simple in structure, easy to assemble, beneficial to improving production efficiency and reducing labor cost, high in safety, and beneficial to prolonging the service life of the proportional valve while reducing production cost.

Description

Novel structure proportional valve

Technical Field

The utility model relates to the technical field of valves, in particular to a proportional valve with a novel structure.

Background

The proportional valve is a novel hydraulic control device. On the common pressure valve, flow valve and direction valve, the proportional electromagnet is used to replace the original control part, and the pressure, flow or direction of oil flow is controlled remotely according to the input electric signal.

At present, most of proportional valves in the market are of magnet, coil adhesive connection and plastic shell structures, the structure has high production requirements, the process is complex and is easy to make mistakes, the production efficiency is low, the production cost is high, and the proportional valves are more in parts and inconvenient to assemble; in addition, in the working process, the coil moves back and forth, so that the enameled wire is easy to be broken and damaged, the service life is low, the wire breakage risk exists, and certain potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a new structure of proportional valve for solving the problems of complicated assembly, low production efficiency, high cost and short service life of the existing proportional valve.

A novel structure proportional valve comprises an electromagnetic component and a shell component, wherein the electromagnetic component is connected with the shell component, the electromagnetic component comprises a fixed iron core, a movable iron core, a coil and a coil rack, the coil is wound on the periphery of the coil rack, the movable iron core is positioned in a cavity of the coil rack, one end of the fixed iron core is connected with the movable iron core through a spring, the other end of the fixed iron core penetrates through the shell component and is installed on the shell component,

the movable iron core is close to the stopping piece is installed to the one end of fixed iron core, the stopping piece is close to one side of fixed iron core is equipped with the inclined plane of two mutual symmetries.

In one embodiment, the two inclined surfaces are inclined outwards respectively by taking the circle center of the stopping piece as a central axis.

In one embodiment, the coil frame comprises an integrally i-shaped hollow shaft, and a plurality of reinforcing ribs are arranged in the hollow shaft.

In one embodiment, two ends of the hollow shaft are respectively provided with an integrally formed fixing plate, the coil is wound between the fixing plates at the two ends,

the fixed plate comprises a first fixed plate and a second fixed plate, the first fixed plate is located close to one end of the movable iron core, and the second fixed plate is located close to one end of the fixed iron core.

In one embodiment, a convex column and a plurality of clamping grooves are arranged on one side, away from the second fixing plate, of the first fixing plate, and the clamping grooves and the convex columns are integrally formed with the first fixing plate.

In one embodiment, the electromagnetic assembly further comprises a PIN, and the PIN is inserted into the card slot.

In one embodiment, the shell component comprises an iron sheet and an iron shell, the iron shell is a U-shaped groove with an upward opening, a first through hole is formed in the bottom of the U-shaped groove, the fixed iron core is installed on the iron shell through the first through hole,

the iron sheet is provided with a second through hole, the convex column is matched with the second through hole, and the iron sheet is installed on the first fixing plate through the convex column and is abutted to the iron shell.

In one embodiment, grooves are respectively formed in two sides of the top of the U-shaped groove, bosses are respectively arranged on two sides of the iron sheet, and the bosses are matched with the grooves.

In one embodiment, one end of the fixed iron core, which is far away from the movable iron core, is an inflation end, and one end of the movable iron core, which is far away from the fixed iron core, is a deflation end.

In the above novel structure proportional valve, the coil is energized to generate a magnetic field, so that the fixed iron core and the movable iron core generate magnetism, the magnetized fixed iron core and the magnetized movable iron core are attracted, and the movable iron core overcomes the elastic force of the spring, so that the stop piece is driven to move towards the fixed iron core, the gas outflow is blocked, and a sealed state is achieved; when voltage begins to fall, the electromagnetic force of the movable iron core is reduced, meanwhile, the contact area between the stop piece and the fixed iron core is reduced, gas is discharged from the two inclined planes of the stop piece uniformly, and therefore the whole control process of the proportional valve is achieved.

The utility model has simple structure, easy assembly, high safety and is beneficial to improving the production efficiency and saving the labor cost; in addition, the production cost is reduced, and meanwhile, the service life is prolonged.

Drawings

FIG. 1 is a schematic diagram of an exploded structure of a new structure proportional valve of the present invention;

FIG. 2 is a schematic diagram of an assembly structure of a novel structure proportional valve of the present invention;

FIG. 3 is a schematic partial cross-sectional view of a new construction of a proportional valve of the present invention;

fig. 4 is a schematic structural view of a stop sheet of a novel structure proportional valve.

100, an electromagnetic assembly, 110, a fixed iron core, 120, a movable iron core, 130, a coil, 140, a coil rack, 141, a first fixing plate, 142, a second fixing plate, 150, a stop sheet, 160, a spring, 170, a PIN needle, 200, an enclosure assembly, 210, an iron enclosure, 211, a first through hole, 212, a groove, 220, an iron sheet, 221, a second through hole, 222 and a boss.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 3, a novel structure proportional valve comprises an electromagnetic assembly 100 and a housing assembly 200, wherein the electromagnetic assembly 100 is connected with the housing assembly 200, specifically, the electromagnetic assembly 100 comprises a fixed iron core 110, a movable iron core 120, a coil 130 and a coil frame 140, wherein the coil frame 140 comprises an overall i-shaped hollow shaft, and in the present invention, a plurality of reinforcing ribs are arranged in the hollow shaft for enhancing the structural stability.

Further, the two ends of the hollow shaft are respectively provided with an integrally formed fixing plate, the coil 130 is wound between the fixing plates at the two ends and integrally formed with the coil rack 140 by a soldering process; the fixing plates include a first fixing plate 141 and a second fixing plate 142, the second fixing plate 142 is located at one end close to the fixed iron core 110, the first fixing plate 141 is located at one end close to the movable iron core 120, a protruding column and a plurality of clamping grooves are arranged at one side of the first fixing plate 141 away from the second fixing plate 142, and the clamping grooves and the protruding column are integrally formed with the first fixing plate 141; the convex column is located in the middle of the first fixing plate 141, and has a guiding function during assembly, so that the installation is convenient; the card slot is located at one side of the first fixing plate 141 and used for placing a lead of the coil 130; in addition, the electromagnetic component 100 further comprises a PIN needle 170, the PIN needle 170 is inserted into the clamping groove, and the PIN needle 170 is connected with a lead wire, so that the lead wire is quickly fixed, the winding step is omitted, time and labor are saved in operation, assembly efficiency is improved, labor cost is reduced, and safety is high.

Further, the movable iron core 120 is located in the cavity of the coil frame 140, one end of the fixed iron core 110 is connected to the movable iron core 120 through a spring 160, when the coil 130 is powered on or powered off, the movable iron core 120 is convenient to move back and forth in the direction of the fixed iron core 110, and the other end of the fixed iron core 110 passes through the housing assembly 200 and is mounted on the housing assembly 200, so that the electromagnetic assembly 100 is fixed in the housing assembly 200.

Further, the housing assembly 200 includes an iron sheet 220 and an iron housing 210, the iron housing 210 is a U-shaped groove with an upward opening, a first through hole 211 is formed at the bottom of the U-shaped groove, and the fixed iron core 110 is installed on the iron housing 210 through the first through hole 211; be equipped with second through-hole 221 on the iron sheet 220, the projection with second through-hole 221 looks adaptation, iron sheet 220 passes through the projection is installed on first fixed plate 141, and with iron system shell 210 butt, wherein, the top both sides in U type groove are equipped with recess 212 respectively, the both sides of iron sheet 220 are equipped with boss 222 respectively, boss 222 with recess 212 looks adaptation works as iron sheet 220 with when iron system shell 210 connects, boss 222 card is gone into in the recess 212 to guarantee the stability of structure.

In addition, central through holes are formed in the fixed iron core 110 and the movable iron core 120, wherein one end of the fixed iron core 110, which is far away from the movable iron core 120, is an inflation end and is used for being connected with an inflation bag for inflation; the end of the movable iron core 120 away from the fixed iron core 110 is a gas release end for exhausting gas.

As shown in fig. 4, a stopping sheet 150 is installed at one end of the movable iron core 120 close to the fixed iron core 110, two mutually symmetrical inclined surfaces are arranged at one side of the stopping sheet 150 close to the fixed iron core 110, the two inclined surfaces are respectively inclined outwards by taking the center of the stopping sheet 150 as a central axis, and the arrangement of the stopping sheet 150 is favorable for uniform air leakage of the proportional valve; specifically, when the coil 130 is energized, the fixed core 110 and the movable core 120 are magnetized by a magnetic field, and at this time, the magnetized movable core 120 moves in a direction of the fixed core 110 against the elastic force of the spring 160, so that the stopper piece 150 abuts against one side of the fixed core 110, thereby achieving a sealed state; when the voltage is gradually reduced, the magnetic force of the movable iron core 120 is reduced, so that the stopping sheet 150 is separated from the fixed iron core 110, and at this time, gas is uniformly discharged from the two inclined surfaces of the stopping sheet 150, thereby realizing uniform gas discharge of the proportional valve.

Above-mentioned novel structure proportional valve, coil 130 is around establishing on the coil former 140, fixed iron core 110 passes through spring 160 with movable iron core 120 connects, movable iron core 120 is close to fixed iron core 110's one end with stop the separation blade 150 and connect, movable iron core 120 is located in the cavity of coil former 140, fixed iron core 110 is kept away from movable iron core 120's one end is passed iron system shell 210 and is extended to the outside, simultaneously second fixed plate 142 with iron system shell 210 butt, iron sheet 220 passes the projection is installed on first fixed plate 141, and with iron system shell 210's opposite side butt to this stability of realizing the structure.

In the working process, the coil 130 is electrified to generate a magnetic field, so that the fixed iron core 110 and the movable iron core 120 are magnetized to generate magnetism, the magnetized fixed iron core 110 and the magnetized movable iron core 120 are attracted, at this time, the movable iron core 120 overcomes the elastic force of the spring 160 to drive the stopping sheet 150 to move towards the fixed iron core 110, and thus, the gas in the inflated air bag is blocked from flowing out, and a sealed state is achieved; when the voltage begins to drop, after the voltage drops to a certain value, the electromagnetic force of the movable iron core 120 is reduced, the contact area between the stop plate 150 and the fixed iron core 110 is also reduced, and at the moment, gas is uniformly discharged from the two inclined surfaces of the stop plate 150, so that the whole control process of the proportional valve is realized.

In addition, the stopper piece 150 and the fixed core 110 may be set to have suitable sizes according to actual conditions; in the working process, the proportional valve can also change the magnetic field thereof by regulating and controlling the power supply voltage, and uniform air leakage is realized through the double-inclined-surface structure of the stop sheet 150.

The proportional valve is simple in structure, easy to assemble, beneficial to improving production efficiency and reducing labor cost, high in safety, and beneficial to prolonging the service life of the proportional valve while reducing production cost.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A novel structure proportional valve comprises an electromagnetic component and a shell component, wherein the electromagnetic component is connected with the shell component, the novel structure proportional valve is characterized in that the electromagnetic component comprises a fixed iron core, a movable iron core, a coil and a coil rack, the coil is wound on the periphery of the coil rack, the movable iron core is positioned in a cavity of the coil rack, one end of the fixed iron core is connected with the movable iron core through a spring, the other end of the fixed iron core penetrates through the shell component and is installed on the shell component,

2. The proportioning valve of claim 1 wherein the two inclined surfaces are inclined outwardly about a center axis of the stop piece.

3. The new structure proportioning valve of claim 1 wherein said bobbin comprises an integral i-shaped hollow shaft having a plurality of ribs disposed therein.

4. The new structure proportioning valve of claim 3 wherein, the hollow shaft is provided with integrally formed fixing plates at both ends, the coil is wound between the fixing plates at both ends,

the fixed plate comprises a first fixed plate and a second fixed plate, the first fixed plate is located at one end close to the movable iron core, and the second fixed plate is located at one end close to the fixed iron core.

5. The proportioning valve of claim 4 wherein a convex pillar and a plurality of locking grooves are formed on a side of the first fixing plate away from the second fixing plate, and the locking grooves and the convex pillar are integrally formed with the first fixing plate.

6. The new architecture proportioning valve of claim 5 wherein the solenoid assembly further comprises a PIN needle that plugs into the card slot.

7. The novel structure proportional valve of claim 5 or 6, wherein the housing assembly comprises an iron sheet and an iron housing, the iron housing is a U-shaped groove which is opened upwards, a first through hole is arranged at the bottom of the U-shaped groove, the fixed iron core is mounted on the iron housing through the first through hole,

8. The novel structure proportioning valve of claim 7 wherein both sides of the top of the U-shaped groove are respectively provided with a groove, both sides of the iron sheet are respectively provided with a boss, and the bosses are matched with the grooves.

9. The proportioning valve of claim 8 wherein the end of the fixed core remote from the movable core is an inflation end and the end of the movable core remote from the fixed core is a deflation end.