CN212251397U

CN212251397U - Right-angle electromagnetic valve

Info

Publication number: CN212251397U
Application number: CN202020677302.3U
Authority: CN
Inventors: 张伟荣
Original assignee: Zhejiang New Sanrong Refrigeration Co ltd
Current assignee: Zhejiang New Sanrong Refrigeration Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2020-12-29
Anticipated expiration: 2030-04-28

Abstract

The utility model discloses a right-angle electromagnetic valve, which comprises a valve body, a piston and a magnetism-dividing component, wherein the valve body is provided with a valve cavity and a feeding end and a discharging end which are respectively communicated with the valve cavity, a 90-degree included angle is formed between the feeding end and the discharging end, a valve port communicated with the discharging end is formed in the valve cavity, the piston is used for sealing or opening the valve port, the piston comprises a first cylinder part, a second cylinder part and a third cylinder part which are sequentially arranged, the third cylinder part is matched with the inner wall of the valve body, the diameter of the first cylinder part is smaller than that of the third cylinder part, the diameter of the second cylinder part is smaller than that of the first cylinder part, the lower end of the third cylinder part is provided with a pressure difference hole which penetrates through the two ends of the third cylinder part, the middle part of the valve body is provided with a through hole which penetrates through the upper end and the lower end of the valve body, the, the valve opening acting force is larger, the time required by the electromagnetic valve to open the valve is shorter, and the valve opening effect is better.

Description

Right-angle electromagnetic valve

Technical Field

The utility model relates to a technical field of solenoid valve, in particular to right angle formula solenoid valve.

Background

Solenoid valves are industrial devices that are controlled electromagnetically and are used in industrial control systems to regulate the direction, flow, velocity and other parameters of a medium. The solenoid valve can cooperate different circuits to realize anticipated control, and the precision and the flexibility of control can both be guaranteed, right angle solenoid valve, the direction that the medium flowed into the solenoid valve and the direction that flows out the solenoid valve become 90 degrees angles promptly, but present right angle solenoid valve, the volume is less, the interval between valve body internal diameter and the valve port is less, the bottom area of contact that leads to the medium that gets into the valve pocket by the import takeover and piston is less, a person skilled in the art can know, medium pressure in the valve pocket is fixed time, area of contact is less, the power of production (the effort of upwards opening the valve) is less, lead to the required time length of opening the valve of solenoid valve, make the effect of opening the valve of solenoid valve relatively.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a piston of right angle formula solenoid valve sets up the piston layering, increases the area of contact of medium and piston in the valve pocket, produces bigger effort of opening the valve, and then the solenoid valve open the valve required time shorter, open the valve effect better.

The above technical purpose of the present invention can be achieved by the following technical solutions: a right-angle electromagnetic valve comprises a valve body, a piston and a magnetism dividing assembly, wherein the valve body is provided with a valve cavity, a feeding end and a discharging end which are respectively communicated with the valve cavity, the feeding end and the discharging end form an included angle of 90 degrees, a valve port communicated with the discharging end is formed in the valve cavity, the piston is used for sealing or opening the valve port, the piston comprises a first cylinder part, a second cylinder part and a third cylinder part which are sequentially arranged, the third cylinder part is matched with the inner wall of the valve body, the diameter of the first cylinder part is smaller than that of the third cylinder part, the diameter of the second cylinder part is smaller than that of the first cylinder part, a pressure difference hole penetrating through the two ends of the third cylinder part is formed in the lower end of the third cylinder part, the pressure difference hole inclines inwards from bottom to top, a through hole penetrating through the upper end and the lower end of the valve body is formed in.

Further, the differential pressure hole is at an angle of 82 ° to 86 ° to the horizontal.

Furthermore, the lower part of the piston is provided with a sealing ring which is in sealing fit with a valve port of the valve body.

The lower end of the third cylinder part is provided with a fourth cylinder part with a diameter smaller than that of the third cylinder part, and the lower end of the fourth cylinder part is provided with a ring groove for mounting a sealing ring.

Furthermore, the middle part of the bottom end of the piston is provided with a flared opening which is expanded outwards, and the flared opening extends into the valve port.

Furthermore, the lower part of the valve body is provided with a connecting pipe extending into the valve cavity, and the extending end of the connecting pipe forms a valve port.

Furthermore, the feeding end is an inlet pipe fixedly connected with the valve body, the discharging end is an outlet pipe fixedly connected with the valve body, and the connecting pipe extends into the outlet pipe.

Further, the upper portion fixed mounting of valve body has the valve gap, the valve gap is equipped with the terminal edge that stretches into with the valve pocket.

Furthermore, the magnetism dividing assembly comprises a sleeve arranged on the valve cover, a magnetism dividing head part fixedly arranged on the upper portion of the sleeve and a magnetism dividing body part arranged in the sleeve in a sliding mode, a spring is arranged between the magnetism dividing head part and the magnetism dividing body part in an abutting mode, and a sealing ball used for sealing the through hole is arranged at the lower portion of the magnetism dividing body part.

Furthermore, the sub-magnet part is a multi-section cylinder with the diameter reduced from top to bottom, the top cylinder is matched with the inner wall of the sleeve, a through hole communicated with the placement hole is formed in the peripheral wall of the lower end of the sub-magnet part, and the through hole is located between the top cylinder and the sealing ball.

To sum up, the utility model discloses following beneficial effect has:

the utility model provides a right angle formula solenoid valve, sets up the piston layering, increases the area of contact of medium and piston in the valve pocket, produces bigger open valve effort, and then solenoid valve open valve required time shorter, open the valve effect better.

Drawings

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

fig. 2 is a schematic view of a piston of the present invention.

In the figure: 1. a valve body; 11. a valve cavity; 2. a piston; 21. a first tube section; 22. a second cylinder part; 23. A third cylinder part; 231. a differential pressure orifice; 24. a fourth cylinder part; 25. a seal ring; 26. a bell mouth; 27. a via hole; 3. a valve cover; 31. an outer step; 32. an inner step; 4. taking over a pipe; 41. a valve port; 5. an outlet pipe; 6. an inlet pipe; 7. a sleeve; 71. a shunt head part; 72. dividing the magnet part; 721. placing the hole; 722. An upper table top; 723. a lower table top; 73. a spring; 74. a sealing ball; 75. a through hole.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1-2, a right-angle electromagnetic valve includes a valve body 1 with a valve cavity 11 therein, a piston 2 slidably disposed on the valve body 1, and a magnetic separation component for driving the piston 2 to move up and down, wherein a valve cover 3 is fixedly mounted on the upper portion of the valve body 1, the valve cover 3 is provided with an outer step 31 and an inner step 32, the lower portion of the valve cover 3 is inserted into the valve cavity 11 and the upper portion of the valve body 1 abuts against the outer step 31, an inner cavity is formed in the valve cover 3 and communicates with the inner cavity of the valve cover 3 through the valve cavity 11, and the valve cover 3 is provided with an end edge extending into the.

The valve comprises a valve body 1, and is characterized in that a connecting pipe 4 is inserted into the lower part of the valve body 1, an outlet pipe 5 is abutted to the lower part of the connecting pipe 4, the outlet pipe 5 and the valve body 1 are welded into a whole, the upper end of the connecting pipe 4 extends into a valve cavity 11 to form a valve port 41, an inlet pipe 6 is welded on the peripheral wall of the lower end of the valve body 1, one end of the inlet pipe 6 extends into the valve cavity 11, the other end of the inlet pipe 6 extends out of the valve cavity 11, an included angle of 90 degrees is formed between the inlet pipe 6 and the outlet pipe 5, a flow channel is.

In the utility model, the valve body 1 is arranged into two sections of valve cavities 11 with different inner diameters, the inner diameter of the upper valve cavity 11 is larger than that of the lower valve cavity 11, the piston 2 comprises a first cylinder part 21, a second cylinder part 22 and a third cylinder part 23 which are arranged in sequence, the third cylinder part 23 is matched with the upper valve cavity 11, the diameter of the first cylinder part 21 is smaller than that of the third cylinder part 23, a gap is reserved between the inner cavity wall of the first cylinder part 21 and the inner cavity wall of the valve cover 3, the diameter of the second cylinder part 22 is smaller than that of the first cylinder part 21, under the condition of ensuring the strength of the piston 2, the diameter of the second cylinder part 22 can be smaller so as to increase the radius difference between the lower end surface of the first cylinder part 21 and the upper end surface of the second cylinder part 22, the lower end of the third cylinder part 23 is provided with a pressure difference hole 231 which runs through both ends of the third cylinder part, the pressure difference hole 231 inclines inwards from bottom to bottom, the middle part of the valve body 1 is provided with a via hole 27 penetrating through the upper and lower ends thereof.

The valve body 1 is arranged into two sections of valve cavities 11 with different inner diameters, and the piston 2 is arranged into a multi-section cylindrical structure, so that the contact area between a medium in the valve cavity 11 and the piston 2 can be increased, and when the pressure of the medium in the valve cavity 11 is constant, the larger the contact area is, the larger the generated force (acting force for opening the valve upwards) is, the shorter the time required for opening the valve of the electromagnetic valve is, and the better the valve opening effect of the electromagnetic valve is.

In order to attach the seal ring 25 to the lower portion of the piston 2, a fourth cylindrical portion 24 having a smaller diameter than the third cylindrical portion 23 may be provided at the lower end of the third cylindrical portion 23, and a ring groove for attaching the seal ring 25 may be opened at the lower end of the fourth cylindrical portion 24, or a ring groove for attaching the seal ring 25 may be opened at the lower end of the third cylindrical portion 23 (not shown in the drawing).

The bottom middle part of piston 2 is equipped with the horn mouth 26 of outside extension, through setting up horn mouth 26 for it is spacing to sealing washer 25, prevents that it from coming off in the annular, the bore of conducting hole 27 expands downwards for the medium that is located third section of thick bamboo 23 upper end valve pocket 11 can be faster flows into valve port 41, and then third section of thick bamboo 23 upper end valve pocket 11 forms the low-pressure area faster, and then this right angle formula solenoid valve's the valve opening is faster, and the effect is better, and top conducting hole 27 is equipped with the chamfer, and when valve port 41 closed, sealing ball 74 supported at top conducting hole 27 better, makes sealed effect better.

The angle between the differential pressure hole 231 and the horizontal line is 82 ° to 86 °, and by providing the differential pressure hole 231 at this angle, when the fluid flows into the valve chamber 11 at the upper end of the third cylinder 23 from the differential pressure hole 231, the fluid can directly flow toward the lower end surface of the first cylinder 21 while avoiding the end edge of the valve cover 3, and the valve-opening force generated by the medium directly acts on the lower end surface of the first cylinder 21, so that the valve-opening effect of the piston 2 can be improved.

The magnetic separation component comprises a sleeve 7 arranged on the upper portion of the valve cover 3, a magnetic separation head part 71 is fixedly arranged on the upper portion of the sleeve 7, a magnetic separation body part 72 is arranged in the sleeve 7, the magnetic separation body part 72 can axially move in the sleeve 7, a placement hole 721 penetrating through the upper end and the lower end of the magnetic separation body part 72 is arranged in the middle of the magnetic separation body part 72, an upper table 722 is formed in the upper placement hole 721, a spring 73 is connected between the upper table 722 and the magnetic separation head part 71 in a butting mode, the lower portion of the sleeve 7 extends into the valve cover 3, and a lower table 723 is formed in the lower placement hole 721.

The sub-magnet part 72 is a multi-section cylinder with a diameter reduced from top to bottom, the top cylinder is matched with the inner wall of the sleeve 7, a through hole 75 communicated with the placement hole 721 is formed in the peripheral wall of the lower end of the top cylinder, and the through hole 75 plays a role in balancing medium circulation.

The valve cover 3 extends into the end edge of the valve cavity 11 and is matched with the third cylinder part 23 for limiting the piston 2.

Opening state of the electromagnetic valve: the magnetic dividing head part 71 is energized to generate attraction force, so that the magnetic dividing body part 72 moves upward against the elastic force of the spring 73 and the gravity of the magnetic dividing body part 72 itself, so that the via hole 27 is opened, the flow rate of the medium in the valve cavity 11 above the third cylinder part 23 entering the valve port 41 through the through hole 27 is larger than the flow rate of the medium flowing into the valve cavity 11 above the third cylinder part 23 from the inlet pipe 6, at this time, the valve cavity 11 above the piston 2 is in a low-pressure area, because the valve cavity 11 below the third cylinder part 23 is communicated with the inlet pipe 6, the valve cavity 11 below the third cylinder part 23 is in a high-pressure area, an upward pressure difference is generated, while the medium entering the valve chamber 11 through the inlet pipe 6 acts on the lower bottom surfaces of the first cylinder part 21 and the third cylinder part 23, and then an upward thrust is generated, the piston 2 is jacked up under the action of the differential pressure force and the thrust, the valve port 41 is opened, and the medium in the inlet pipe 6 can enter the outlet pipe 5 from the valve port 41.

Closing state of the electromagnetic valve: the magnetic dividing head part 71 is powered off, the magnetic dividing body part 72 moves downwards under the action of the elastic force of the spring 73 and the self gravity and pushes the piston 2 to move downwards along the valve cavity 11 until the valve port 41 is sealed by the sealing ring 25, at the moment, the valve port 41 is closed, and the medium in the inlet pipe 6 cannot enter the outlet pipe 5 of the connecting pipe 4 at the left end from the valve port 41.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims

1. The right-angle electromagnetic valve comprises a valve body (1), a piston (2) and a magnetism dividing assembly, wherein the valve body (1) is provided with a valve cavity (11) and a feeding end and a discharging end which are respectively communicated with the valve cavity (11), the feeding end and the discharging end form an included angle of 90 degrees, a valve port (41) communicated with the discharging end is formed in the valve cavity (11), and the piston (2) is used for sealing or opening the valve port (41), and is characterized in that: the piston (2) comprises a first cylinder part (21), a second cylinder part (22) and a third cylinder part (23) which are sequentially arranged, the third cylinder part (23) is matched with the inner wall of the valve body (1), the diameter of the first cylinder part (21) is smaller than that of the third cylinder part (23), the diameter of the second cylinder part (22) is smaller than that of the first cylinder part (21), a pressure difference hole (231) penetrating through two ends of the third cylinder part is formed in the lower end of the third cylinder part (23), the pressure difference hole (231) inclines inwards from bottom to top, a through hole (27) penetrating through the upper end and the lower end of the valve body (1) is formed in the middle of the valve body, and the sub-magnetic assembly drives the piston (2) to move in a guiding mode in the valve cavity (11) to control the opening or closing of the.

2. A right angle solenoid valve as claimed in claim 1 wherein: the angle between the differential pressure hole (231) and the horizontal is 82 DEG to 86 deg.

3. A right angle solenoid valve as claimed in claim 1 wherein: and a sealing ring (25) which is in sealing fit with a valve port (41) of the valve body (1) is arranged at the lower part of the piston (2).

4. A right angle solenoid valve according to claim 3 wherein: the lower end of the third cylinder part (23) is provided with a fourth cylinder part (24) with the diameter smaller than that of the third cylinder part (23), and the lower end of the fourth cylinder part (24) is provided with a ring groove for mounting a sealing ring (25).

5. A right angle solenoid valve as claimed in claim 1 wherein: the middle of the bottom end of the piston (2) is provided with an outward-expanding bell mouth (26), and the bell mouth (26) extends into the valve port (41).

6. A right angle solenoid valve as claimed in claim 1 wherein: the lower part of the valve body (1) is provided with a connecting pipe (4) extending into the valve cavity (11), and the extending end of the connecting pipe (4) forms a valve port (41).

7. A right angle solenoid valve according to claim 6, wherein: the feeding end is an inlet pipe (6) fixedly connected with the valve body (1), the discharging end is an outlet pipe (5) fixedly connected with the valve body (1), and the connecting pipe (4) extends into the outlet pipe (5).

8. A right angle solenoid valve as claimed in claim 1 wherein: the upper portion fixed mounting of valve body (1) has valve gap (3), valve gap (3) are equipped with the terminal edge that stretches into with valve pocket (11).

9. A right angle solenoid valve according to claim 8 wherein: the magnetic dividing assembly comprises a sleeve (7) arranged on the valve cover (3), a magnetic dividing head part (71) fixedly arranged on the upper portion of the sleeve (7) and a magnetic dividing body part (72) arranged in the sleeve (7) in a sliding mode, a spring (73) is arranged between the magnetic dividing head part (71) and the magnetic dividing body part (72) in an abutting mode, and a sealing ball (74) used for sealing the through hole (27) is arranged on the lower portion of the magnetic dividing body part (72).

10. A right angle solenoid valve according to claim 9 wherein: divide magnet part (72) to be from last multistage cylinder that reduces to the diameter down, and top cylinder and sleeve pipe (7) inner wall adaptation, divide the lower extreme perisporium of magnet part (72) to offer through hole (75) that the intercommunication was put hole (721), through hole (75) are located between top cylinder and ball sealer (74).