CN212004492U - Electromagnetic valve for gas appliance - Google Patents

Abstract

The utility model discloses a gas utensil solenoid valve, which comprises a valve body, the top fixed mounting on valve body right side has the terminal box, the bottom fixed mounting of valve body has the connecting pipe, there is the disk seat bottom of connecting pipe through connecting block fixed mounting, and the equal fixed mounting in both sides at valve body inner chamber top has the coil, the top fixed mounting of valve body inner chamber has the locating lever, the bottom activity of locating lever has cup jointed the dead lever, the outside activity of dead lever has cup jointed the case that is located between two coils, and the outside activity of dead lever has cup jointed the reset spring who is located the case below. This gas utensil solenoid valve cup joints through the dead lever with the activity of the valve body internal device for the maintenance personal can rotate bolt assembly and open the connector, and directly takes the dead lever out, guarantees that case and reset spring realize quick split, improves maintenance personal's work efficiency, rotates the adapter sleeve simultaneously, makes the adapter sleeve take filter membrane and valve rod separation.

Description

Electromagnetic valve for gas appliance

Technical Field

The present application relates to the field of gas solenoid valves, and more particularly, to a gas appliance solenoid valve.

Background

The gas electromagnetic valve is also called as gas emergency cut-off valve, it is an actuating mechanism for two-position on-off switching and automatic temperature control of heating and burning medium pipeline for various gases such as city gas, liquefied petroleum gas, natural gas, etc. it is widely used in gas heat setting in textile industry and printing industry, kiln heating in glass and bulb industry and gas heating automatic control system in other industries.

The straight-through gas electromagnetic valve is one of gas electromagnetic valves, the electromagnetic valve is electrified to generate a magnetic field, so that an iron core moves to open an air vent in a valve body, gas flow is guaranteed, when power is cut off, the electromagnetic field disappears, the iron core returns to the original position under the action of a spring to seal the air vent, the elasticity of the spring is reduced after long-term use, the sealing effect of the device is affected, the spring needs to be replaced regularly, meanwhile, a filter membrane needs to be replaced regularly, the inside of the valve body is guaranteed to be clean and smooth, normal operation of the device is guaranteed, but in the using process of the prior art, the spring is fixedly installed, the spring and the filter membrane are difficult to replace, the work efficiency of maintenance personnel is low, the prior art utilizes the sealing piece. Therefore, we propose a gas appliance solenoid valve.

SUMMERY OF THE UTILITY MODEL

In view of above-mentioned problem, this application has proposed a gas utensil solenoid valve, possesses the part split and changes fast, improves maintenance efficiency and double seal, avoids the advantage of gas leakage, has solved the problem mentioned in the above-mentioned background art.

The utility model provides a pair of gas utensil solenoid valve, which comprises a valve body, the top fixed mounting on valve body right side has the terminal box, the bottom fixed mounting of valve body has the connecting pipe, there is the disk seat bottom of connecting pipe through connecting block fixed mounting, and the equal fixed mounting in both sides at valve body inner chamber top has the coil, the top fixed mounting of valve body inner chamber has the locating lever, the dead lever has been cup jointed in the bottom activity of locating lever, the case that is located between two coils has been cup jointed in the outside activity of dead lever, and the outside activity of dead lever has cup jointed the reset spring that is located the case below, the externally mounted of dead lever has the valve rod, the adapter sleeve has been cup jointed to the outside screw thread on valve rod top, the outside fixed mounting of adapter.

Preferably, the hollow layer of the inner cavity of the valve core is arranged, the valve rod comprises a hollow layer section at the top and a solid section at the bottom, the top of the valve rod is open, the bottom end of the fixing rod penetrates through the top of the valve rod and extends to the inner cavity of the valve rod, the bottom end of the fixing rod is movably sleeved with the inner cavity of the hollow layer of the valve rod, and the length of the hollow layer is longer than the moving distance of the valve core.

Preferably, the wall surface of the inner cavity of the connecting pipe is provided with a limit groove matched with the filter membrane, the outer part of the filter membrane is positioned in the inner cavity of the limit groove, and the height of the limit groove is the same as the moving distance of the valve core.

Preferably, a connecting port is formed in the top of the valve body, the bottom end of the connecting port penetrates through the wall surface of the valve body and is communicated with the inner cavity of the valve body, the top end of the fixing rod extends to the upper portion of the valve body through the connecting hole, a bolt assembly located outside the connecting port is fixedly mounted at the top of the valve body, and the top end of the fixing rod is located inside the bolt assembly.

Preferably, the inner chamber fixed mounting of disk seat has the guide plate, the air vent has been seted up at the top of guide plate, the bottom fixed mounting of guide plate has the fixed block, the diameter of sealed piece is greater than the internal diameter of air vent, the internal diameter of fixed block and the diameter looks adaptation of sealed piece, and be provided with the sealing member between sealed piece and the fixed block.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this gas utensil solenoid valve cup joints through the dead lever with the internal device activity of valve body for the maintenance personal can rotate bolt assembly and open the connector, and directly take the dead lever out, guarantees that case and reset spring realize quick split, improves maintenance personal's work efficiency, rotates the adapter sleeve simultaneously, makes the adapter sleeve take filter membrane and valve rod separation, whole device simple structure, and the installation is dismantled conveniently, and the practicality strengthens.

2. This gas utensil solenoid valve through the setting of sealed piece for when the case return under reset spring's the drive, sealed piece can closely laminate closed passage with the bottom of guide plate, utilizes the sealing member to make sealed piece closely laminate with the inner wall of fixed block simultaneously, realizes dual-seal, improves the device's sealing performance, avoids the device gas leakage situation to appear.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of the inner section of the structure of the present invention;

FIG. 2 is a schematic view of the connection between the valve rod and the fixing rod according to the present invention;

fig. 3 is the connection schematic diagram of the structure fixing block and the sealing block of the present invention.

In the figure: 1. a valve body; 2. a junction box; 3. a connecting pipe; 4. connecting blocks; 5. a valve seat; 6. a coil; 7. positioning a rod; 8. fixing the rod; 9. a valve core; 10. a return spring; 11. a valve stem; 12. connecting sleeves; 13. filtering the membrane; 14. a sealing block; 15. a baffle; 16. and (5) fixing blocks.

Detailed Description

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 a part of the embodiments of the present application, and not all of the 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.

Referring to fig. 1-3, a gas appliance solenoid valve comprises a valve body 1, a junction box 2 is fixedly installed at the top of the right side of the valve body 1, a connecting pipe 3 is fixedly installed at the bottom end of the valve body 1, a valve seat 5 is fixedly installed at the bottom of the connecting pipe 3 through a connecting block 4, coils 6 are fixedly installed on two sides of the top of an inner cavity of the valve body 1, after the device is powered on, a magnetic field is generated between the two coils 6, a valve core 9 descends along the axial direction of a fixing rod 8 under the action of the magnetic field, the valve core 9 pushes a reset spring 10 and a valve rod 11 when moving, a sealing block 14 moves along with the valve rod 11 and is separated from the fixing block 16, smooth flowing of gas through an inner cavity of the fixing block 16 and a vent hole of a flow plate 15 is ensured, after the device is powered off, the valve core 9 returns, the dead lever 8 has been cup jointed in the bottom activity of locating lever 7, case 9 that is located between two coils 6 has been cup jointed in the outside activity of dead lever 8, and reset spring 10 that is located case 9 below has been cup jointed in the outside activity of dead lever 8, the externally mounted of dead lever 8 has valve rod 11, the outside screw thread on valve rod 11 top has cup jointed adapter sleeve 12, adapter sleeve 12 cup joints with valve rod 11 screw thread, it is convenient to make adapter sleeve 12 and valve rod 11 installation separation, the mechanism is simple, and reasonable in design, therefore, the clothes hanger is strong in practicability, the outside fixed mounting of adapter sleeve 12 has filter membrane 13, and the bottom fixed mounting of valve rod.

Wherein, case 9's the setting of inner chamber empty layer, valve rod 11 includes the solid section of the empty layer section at top and bottom, valve rod 11's top is opened, the bottom of dead lever 8 passes the top of valve rod 11 and extends to valve rod 11's inner chamber, and the bottom of dead lever 8 cup joints with the inner chamber activity in the empty layer section of valve rod 11, the length in empty layer section is longer than case 9's displacement, dead lever 8 is so connected with case 9 and valve rod 11, bolt assembly and connector separation back, dead lever 8 can directly take out unhindered the hindrance, it changes reset spring 10 and filter membrane 13 to be convenient for maintenance personal.

Wherein, the wall of the inner chamber of the connecting pipe 3 is provided with a limiting groove matched with the filter membrane 13, the outside of the filter membrane 13 is positioned in the inner chamber of the limiting groove, the height of the limiting groove is the same as the moving distance of the valve core 9, the outside of the filter membrane 13 is positioned in the inner chamber of the limiting groove, the dust and the gas are prevented from entering the valve body 1 through the filter membrane and the gap of the inner wall of the connecting pipe 3, the filtering effect of the device is improved, the damage of the coil 6 is avoided, and the service life of the device is prolonged.

Wherein, the connector has been seted up at the top of valve body 1, the wall that valve body 1 was passed to the bottom of connector communicates with the inner chamber of valve body 1, the top of dead lever 8 is passed through the connecting hole and is extended to the top of valve body 1, and the top fixed mounting of valve body 1 has the bolt assembly who is located the connector outside, the top of dead lever 8 is located bolt assembly's inside, cup joint through dead lever 8 and the activity of 1 internal device of valve body, make maintenance personal can rotate bolt assembly and open the connector, and directly take dead lever 8 out, guarantee case 9 and reset spring 10 and realize quick split, maintenance personal's work efficiency improves.

Wherein, the inner chamber fixed mounting of disk seat 5 has guide plate 15, the air vent has been seted up at the top of guide plate 15, the bottom fixed mounting of guide plate 15 has fixed block 16, the diameter of sealed piece 14 is greater than the internal diameter of air vent, the internal diameter of fixed block 16 and the diameter looks adaptation of sealed piece 14, and be provided with the sealing member between sealed piece 14 and the fixed block 16, the setting of guide plate 15 and air vent, can realize the control to the air current direction, simultaneously through the setting of sealed piece 14, make case 9 when the return under reset spring 10's the drive, sealed piece 14 can closely laminate closed passage with the bottom of guide plate 15, utilize the sealing member to make the inner wall of sealed piece 14 and fixed block 16 closely laminate simultaneously, realize double sealing, improve the sealing performance of the device, avoid the device to appear the gas leakage situation.

The theory of operation, earlier the device circular telegram, make to produce magnetic field between two coils 6, case 9 descends along the axial of dead lever 8 under the effect in magnetic field, case 9 promotes reset spring 10 and valve rod 11 when removing, make sealed piece 14 follow valve rod 11 and realize the motion and separate with fixed block 16, guarantee that the gas realizes flowing smoothly through the inner chamber of fixed block 16 and the air vent of guide plate 15, and when the device need be changed reset spring 10 and adapter sleeve 12, can rotate bolt assembly and open the connector, and directly take dead lever 8 out, guarantee the quick split of case 9 and reset spring 10, can.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims (5)

1. A gas appliance electromagnetic valve comprises a valve body (1) and is characterized in that a junction box (2) is fixedly mounted at the top of the right side of the valve body (1), a connecting pipe (3) is fixedly mounted at the bottom of the valve body (1), a valve seat (5) is fixedly mounted at the bottom of the connecting pipe (3) through a connecting block (4), coils (6) are fixedly mounted on two sides of the top of an inner cavity of the valve body (1), a positioning rod (7) is fixedly mounted at the top of the inner cavity of the valve body (1), a fixing rod (8) is movably sleeved at the bottom end of the positioning rod (7), a valve core (9) positioned between the two coils (6) is movably sleeved at the outer part of the fixing rod (8), a reset spring (10) positioned below the valve core (9) is movably sleeved at the outer part of the fixing rod (8), a valve, the connecting sleeve (12) is sleeved with the external thread at the top end of the valve rod (11), a filter membrane (13) is fixedly mounted on the outside of the connecting sleeve (12), and a sealing block (14) is fixedly mounted at the bottom end of the valve rod (11).

2. The gas appliance electromagnetic valve according to claim 1, wherein the hollow cavity of the valve core (9) is arranged, the valve rod (11) comprises a hollow top section and a solid bottom section, the top of the valve rod (11) is open, the bottom end of the fixing rod (8) penetrates through the top of the valve rod (11) and extends to the hollow cavity of the valve rod (11), the bottom end of the fixing rod (8) is movably sleeved with the hollow cavity of the hollow valve rod (11), and the length of the hollow cavity is longer than the moving distance of the valve core (9).

3. The electromagnetic valve for the gas appliance according to claim 1, wherein the wall surface of the inner cavity of the connecting pipe (3) is provided with a limit groove matched with the filter membrane (13), the outer part of the filter membrane (13) is positioned in the inner cavity of the limit groove, and the height of the limit groove is the same as the moving distance of the valve core (9).

4. The electromagnetic valve for the gas appliance according to claim 1, wherein a connecting port is formed at the top of the valve body (1), the bottom end of the connecting port penetrates through the wall surface of the valve body (1) to be communicated with the inner cavity of the valve body (1), the top end of the fixing rod (8) extends to the upper part of the valve body (1) through the connecting port, a bolt assembly located outside the connecting port is fixedly installed at the top of the valve body (1), and the top end of the fixing rod (8) is located inside the bolt assembly.

5. The electromagnetic valve of the gas appliance according to claim 1, wherein a guide plate (15) is fixedly installed in the inner cavity of the valve seat (5), a vent hole is formed in the top of the guide plate (15), a fixed block (16) is fixedly installed at the bottom of the guide plate (15), the diameter of the sealing block (14) is larger than the inner diameter of the vent hole, the inner diameter of the fixed block (16) is matched with the diameter of the sealing block (14), and a sealing element is arranged between the sealing block (14) and the fixed block (16).

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