CN218582246U

CN218582246U - Efficient solenoid valve body structure

Info

Publication number: CN218582246U
Application number: CN202222576716.9U
Authority: CN
Inventors: 叶良辉; 孙龙; 翁业红
Original assignee: Anhui Huayi Chemical Co ltd
Current assignee: Anhui Huayi Chemical Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-03-07
Anticipated expiration: 2032-09-28

Abstract

The utility model discloses an efficient solenoid valve body structure belongs to solenoid valve technical field, and it includes the disk seat body, fastening bolt fixedly connected with upper valve gap is passed through at the top of disk seat body, the center department cover of upper valve gap bottom is equipped with the case pole, the air balance chamber has been seted up at the inside top of disk seat body, the air inlet has been seted up along its axial in the center department of air balance chamber inner wall bottom, the inside cover of air balance chamber is equipped with sealed case. The utility model discloses can avoid causing the suppress pressure through balanced gas pocket balanced seal case pressure-drop from top to bottom, reduce and open the resistance, and the sealed face of seal case bottom is one section conical surface, and seal case is through the automatic alignment of pressure spring elasticity that resets, and the sealed effect of the effectual assurance of big contact surface, the leak hunting mouth is examined in the valve body design increase, can be used for the sealed effect of inspection at ordinary times, and the uide bushing that the upper valve cover increased ensures the concentricity when the case pole moves from top to bottom.

Description

Efficient solenoid valve body structure

Technical Field

The utility model relates to a solenoid valve technical field specifically is an efficient solenoid valve body structure.

Background

The electromagnetic valve is industrial equipment controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, is not limited to hydraulic pressure and pneumatic pressure, is used for adjusting the direction, flow, speed and other parameters of a medium in an industrial control system, can be matched with different circuits to realize expected control, and can ensure the precision and flexibility of the control.

In the prior art, the valve body structure of the existing partial electromagnetic valve is easy to be blocked by particles in a medium or damaged by a sealing surface to cause internal leakage, the failure rate is high, and the valve body structure can not be opened due to large unbalanced force or can push the valve core open due to large pressure difference to cause leakage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an efficient solenoid valve body structure to the easy granule in the medium that is proposed in solving above-mentioned background art blocks the case or sealed face is impaired to cause interior hourglass, problem that the fault rate is high.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

the utility model provides a pair of efficient solenoid valve body structure, including the disk seat body, fastening bolt fixedly connected with upper valve gap is passed through at the top of disk seat body, the center department cover of upper valve cover bottom is equipped with the case pole, balanced air chamber has been seted up at the inside top of disk seat body, the air inlet has been seted up along its axial in the center department of balanced air chamber inner wall bottom, balanced air chamber's inside cover is equipped with sealed case, threaded connection is located with sealed case's center to the bottom of case pole, the bottom threaded connection of case pole outer wall has limit nut, the surface cover of case pole is equipped with the pressure spring that resets, sealed annular has been seted up along its circumference in the top of case pole outer wall, sealed annular's inside cover is equipped with the sealing ring.

Furthermore, a guide sleeve is arranged at the center of the top of the upper valve cover, and the guide sleeve is sleeved at the top end of the outer wall of the valve core rod.

Furthermore, a guide sleeve is arranged at the center of the top of the upper valve cover, and the top end of the outer wall of the valve core rod is inserted into the guide sleeve.

Furthermore, the top end of the outer wall of the valve core rod is connected with an electromagnetic coil in a threaded manner, and two ends of the electromagnetic coil are electrically connected with a power supply.

Furthermore, the edge and the middle of the sealed valve core are respectively in a circular ring shape and a conical shape, and the bottom end of the conical surface of the sealed valve core is provided with a balance air hole along the height direction.

Furthermore, the bottom end and the top end of the reset pressure spring are respectively abutted against the bottom of the upper valve cover and the bottom of the inner wall of the sealed valve core, and the limit nut is positioned below the sealed valve core.

Furthermore, leak detection openings and gas outlets are respectively formed in the two sides of the inner wall of the balance gas chamber along the radial direction of the inner wall, and sealing bolts are connected to the inner portions of the leak detection openings along the axial direction of the inner wall of the balance gas chamber in a threaded mode.

Compared with the prior art, the above one or more technical schemes have the following beneficial effects:

the utility model discloses the sealed face of well sealed case bottom is one section conical surface, can enough lead to the granule in the medium, the medium of being convenient for is taken away the granule, avoid the granule to block sealed case or sealed face impaired and cause interior hourglass, sealed case is through the automatic alignment of pressure spring elasticity that resets, the sealed effect of big contact surface effectual assurance, can be through the balanced sealed case pressure difference from top to bottom of balanced gas pocket, when sealed case is opened, balanced air chamber on the sealed case passes through balanced gas pocket and releases pressure downstream, avoid causing the suppress, reduce and open the resistance, when sealed case resets downwards and closes, sealed case passes through balanced gas pocket balanced pressure once more from top to bottom, the leak hunting is examined in the valve body design increase, can be used for the sealed effect of inspection at ordinary times, go up the valve bonnet increase uide bushing, the concentricity when ensureing the valve core pole oscilaltion.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an overall semi-sectional view of the present invention;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

fig. 4 is a front sectional view of the present invention.

In the figure:

1. a valve seat body; 2. an upper valve cover; 3. a valve core rod; 4. an electromagnetic coil; 5. detecting a leakage opening; 6. a seal bolt; 7. an air outlet; 8. an air inlet; 9. sealing the valve core; 10. balancing air holes; 11. resetting the pressure spring; 12. a limiting nut; 13. a balance air chamber; 14. sealing the ring groove; 15. and (6) sealing rings.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but 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 application.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "coupled" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

As shown in fig. 1 to 4, an efficient electromagnetic valve body structure, including a valve seat body 1, a top of the valve seat body 1 is provided with an upper valve cover 2 through a fastening bolt fixedly connected with, the efficient electromagnetic valve body structure is characterized in that a valve core rod 3 is sleeved at a center of the bottom of the upper valve cover 2, a balance air chamber 13 is arranged at the top of the inside of the valve seat body 1, an air inlet 8 is arranged at the center of the bottom of the inner wall of the balance air chamber 13 along the axial direction of the center air inlet, a sealing valve core 9 is sleeved at the inside of the balance air chamber 13, the bottom end of the valve core rod 3 is in threaded connection with the center of the sealing valve core 9, a limit nut 12 is in threaded connection with the bottom end of the outer wall of the valve core rod 3, a reset pressure spring 11 is sleeved on the outer surface of the valve core rod 3, a sealing ring groove 14 is arranged at the top end of the outer wall of the valve core rod 3 along the circumferential direction of the sealing ring 14, a sealing ring 15 is sleeved on the inside of the sealing ring groove, the sealing valve core 9 is automatically aligned through the elastic force of the reset pressure spring 11, and the large contact surface effectively ensures the sealing effect.

According to fig. 2, in this embodiment, the edge at the top of the valve seat body 1 is provided with the sealing ring, and the top of the sealing ring is inconsistent with the edge at the bottom of the upper valve cover 2, so that the advantage of the setting is that when the user assembles the upper valve cover 2 to the top of the valve seat body 1, the sealing ring can be deformed under the action of the pressure of tightening the fastening bolt, so as to achieve the sealing effect, and meanwhile, the firmness of the fastening bolt can also be increased through the deformation elastic force of the sealing ring.

According to fig. 1, 2, 4 show, in this embodiment, the center department at the top of upper valve cover 2 is provided with the uide bushing, the top of the outer wall of valve core pole 3 alternates in the inside of uide bushing, the benefit that sets up like this lies in, the uide bushing that upper valve cover 2 increases, the concentricity when guaranteeing the upper and lower action of valve core pole 3, avoid sealed case 9 to appear offset, and influence the sealed effect of sealed case 9, and simultaneously, sealed annular 14 and sealing ring 15 all are in the inside of uide bushing, and the surface of sealing ring 15 contradicts with the inner wall of uide bushing, improve sealed effect.

According to fig. 1 and 2, in this embodiment, the top end of the outer wall of the valve core rod 3 is connected with the electromagnetic coil 4 in a threaded manner, and the two ends of the electromagnetic coil 4 are electrically connected with the power supply, so that the valve core rod 3 is flexibly controlled by a user to move up and down, the effect of controlling the flow is achieved, the operation is convenient and accurate, and the use safety is high.

According to fig. 2 and 4, in this embodiment, the edge and the middle of the sealing valve element 9 are respectively in a circular ring shape and a conical shape, and the bottom end of the conical surface of the sealing valve element 9 is provided with a balance air hole 10 along the height direction thereof, which has the advantages that the sealing surface at the bottom of the sealing valve element 9 is a section of conical surface, which can guide particles in a medium, so that the medium can carry the particles away, thereby avoiding the particles from blocking the valve element or causing internal leakage due to damage of the sealing surface, and balancing the pressure difference between the upper part and the lower part of the sealing valve element 9 through the balance air hole 10, when the sealing valve element 9 is opened, the balance air chamber 13 on the sealing valve element 9 releases the pressure downstream through the balance air hole 10, thereby avoiding causing the pressure to be suppressed, reducing the opening resistance, when the sealing valve element 9 is reset and closed downwards, the sealing valve element 9 balances the pressure through the balance air hole 10 again from top to bottom.

According to fig. 2 and 4, in this embodiment, the bottom and the top of the reset pressure spring 11 are respectively contradicted with the bottom of the upper valve cover 2 and the bottom of the inner wall of the sealed valve core 9, the limit nut 12 is located below the sealed valve core 9, the advantage of the arrangement is that when the sealed valve core 9 is closed, sufficient downward pressure is provided, the top of the air inlet 8 is stably plugged by the sealed valve core 9, the sealing effect of the sealed valve core 9 on the air inlet 8 is improved, the problem of inner leakage is avoided, and the limit nut 12 is matched to limit and fix the sealed valve core 9, thereby avoiding the problem of looseness of the sealed valve core 9, and influencing the sealing effect.

According to fig. 2, 4 show, in this embodiment, leak detection port 5 and gas outlet 7 have been seted up respectively along its radial to the both sides of air balance chamber 13 inner wall, leak detection port 5's inside has sealing bolt 6 along its axial threaded connection, the benefit that sets up like this lies in, leak detection port 5 is examined in the design increase of disk seat body 1, can be used for examining sealed effect at ordinary times, and carry out the shutoff to examining leak detection port 5 through sealing bolt 6, the inspection is also convenient for the user and dismantles or installs, and cooperate and use seal ring, improve the leakproofness between the two, avoid appearing revealing the problem.

The above description is only a preferred embodiment of the present invention, and the parts not described in the present invention can be realized by using or referring to the prior art. Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.

Claims

1. The utility model provides an efficient solenoid valve body structure, includes disk seat body (1), valve gap (2) on the top of disk seat body (1) through fastening bolt fixedly connected with, a serial communication port, the center department cover of going up valve gap (2) bottom is equipped with case pole (3), balanced air chamber (13) have been seted up at the inside top of disk seat body (1), air inlet (8) have been seted up along its axial to the center department of balanced air chamber (13) inner wall bottom, the inside cover of balanced air chamber (13) is equipped with sealed case (9), threaded connection is located with the center of sealed case (9) to the bottom of case pole (3), the bottom threaded connection of case pole (3) outer wall has limit nut (12), the surface cover of case pole (3) is equipped with pressure spring (11) that resets, sealed annular (14) have been seted up along its circumference on the top of case pole (3) outer wall, the inside cover of sealed annular (14) is equipped with sealing ring (15).

2. A high efficiency solenoid valve body structure as described in claim 1 wherein: the edge at disk seat body (1) top is provided with the sealing washer, the top of sealing washer is inconsistent with the edge of last valve bonnet (2) bottom.

3. A high efficiency solenoid valve body structure as recited in claim 1, wherein: the center of the top of the upper valve cover (2) is provided with a guide sleeve, and the top end of the outer wall of the valve core rod (3) is inserted into the guide sleeve.

4. A high efficiency solenoid valve body structure as described in claim 1 wherein: the top end of the outer wall of the valve core rod (3) is in threaded connection with an electromagnetic coil (4), and two ends of the electromagnetic coil (4) are electrically connected with a power supply.

5. A high efficiency solenoid valve body structure as recited in claim 1, wherein: the edge and the middle of the sealing valve core (9) are respectively in a circular ring shape and a conical shape, and the bottom end of the conical surface of the sealing valve core (9) is provided with a balance air hole (10) along the height direction.

6. A high efficiency solenoid valve body structure as recited in claim 1, wherein: the bottom end and the top end of the reset pressure spring (11) are respectively abutted against the bottom of the upper valve cover (2) and the bottom of the inner wall of the sealed valve core (9), and the limit nut (12) is positioned below the sealed valve core (9).

7. A high efficiency solenoid valve body structure as recited in claim 1, wherein: leak detection ports (5) and an air outlet (7) are respectively formed in the two sides of the inner wall of the balance air chamber (13) along the radial direction of the balance air chamber, and sealing bolts (6) are connected to the inner portion of the leak detection ports (5) along the axial direction of the leak detection ports in a threaded mode.