Moving rod and valve element integrated electromagnetic valve for water path control of gas water heater

Abstract

The utility model discloses a movable rod and valve core integrated electromagnetic valve for water path control of a gas water heater. The movable rod and valve core integrated electromagnetic valve comprises an electromagnetic valve body with a water inlet and a water outlet, the water inlet and the water outlet are arranged in parallel, and a vertical valve port is arranged between the water inlet and the water outlet; the valve port is provided with a valve core integrated with the movable rod; the valve element integrated with the movable rod is made of corrosion-resistant metal and comprises a columnar movable rod structure, a first head-removed conical surface, a second head-removed conical surface and a cylindrical transition section, wherein the first head-removed conical surface and the second head-removed conical surface are coaxially arranged with the movable rod structure, and the cylindrical transition section is located between the first head-removed conical surface and the second head-removed conical surface. The circular bottom surface of the first head-removed conical surface and the circular bottom surface of the second head-removed conical surface are oppositely arranged and are respectively connected with the two ends of the transition section, and the gradually reduced conical surfaces face one side of the water inlet along the valve port; and the gradually reduced conical surface of the second head-removed conical surface faces one side of the water outlet along the valve port. The sealing structure overcomes the defects in the prior art, and the stability and durability of the sealing structure of the waterway control valve of the gas water heater are enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas water heater manufacturing technical field, especially relate to the dynamic rod, valve core integration solenoid valve for gas water heater water route control. BACKGROUND

[0002] The gas water heater water route solenoid valve is the commonly used component for controlling the on-off of the gas water heater water route, and the performance directly influences the safety, reliability and service life of the water heater.

[0003] However, the valve core structure of the existing gas water heater water route solenoid valve adopts the form that rubber sealing element cooperates with metal valve seat, so there are the following deficiencies in actual application:

[0004] First, the solenoid valve cannot normally open and close under the condition of high water pressure and large flow;

[0005] Second, the solenoid valve that can open the valve under the condition of high water pressure cannot guarantee the flow stability;

[0006] Finally, the rubber valve core is easy to age and damage.

[0007] Therefore, how to overcome the defects of the prior art and enhance the sealing structure stability and durability of the gas water heater water route control valve becomes a technical problem that the technical personnel in the field need to solve urgently. INVENTION CONTENTS

[0008] In view of the above defects of the prior art, the utility model provides a dynamic rod, valve core integration solenoid valve for gas water heater water route control, and the purpose is to overcome the defects of the prior art and enhance the sealing structure stability and durability of the gas water heater water route control valve.

[0009] To achieve the above-mentioned purpose, the utility model discloses a dynamic rod, valve core integration solenoid valve for gas water heater water route control, including the solenoid valve valve body with the water inlet and the water outlet.

[0010] Wherein, the water inlet and the water outlet are parallelly arranged, and the valve port perpendicular to the water inlet and the water outlet is arranged between the water inlet and the water outlet;

[0011] The valve port is equipped with the valve core integrated with the dynamic rod;

[0012] The valve core integrated with the dynamic rod is made of corrosion-resistant metal, including the columnar dynamic rod structure, the first headless conical surface, the second headless conical surface coaxially arranged with the dynamic rod structure and the transition section in the form of a cylinder between the first headless conical surface and the second headless conical surface;

[0013] The circular bottom surface of the first truncated cone is arranged opposite to the circular bottom surface of the second truncated cone, and is connected with two ends of the transition section respectively, and the gradually reduced conical surface is along the valve port towards the water inlet side;

[0014] The gradually reduced conical surface of the second truncated cone is along the valve port towards the water outlet side;

[0015] When the valve core integrated with the moving rod moves to the limit along the valve port axis towards the water inlet side along the valve port, the transition section does not completely slide from the valve core to the water inlet;

[0016] When the valve core integrated with the moving rod moves to the limit along the valve port axis towards the water outlet side along the valve port, the transition section completely slides from the valve core to the water outlet, and a water passing gap is formed between the first truncated cone and the valve port.

[0017] Preferably, an electromagnetic driving device arranged outside the water inlet or the water outlet in the direction of the valve port axis, and a spring are further included, the valve core integrated with the moving rod is driven to move along the valve port by the electromagnetic driving device, and the valve core integrated with the moving rod is rebounded by the spring after the electromagnetic driving device loses power.

[0018] More preferably, a support frame is arranged outside the water inlet or the water outlet and faces away from the electromagnetic driving device;

[0019] The support frame is provided with a sliding hole at a position corresponding to the valve core integrated with the moving rod;

[0020] The sliding hole is a blind hole, and the corresponding end of the valve core integrated with the moving rod is matched with the sliding hole, so that the corresponding end of the valve core integrated with the moving rod can reciprocate in the sliding hole.

[0021] Preferably, the water inlet is provided with a bypass.

[0022] Preferably, the included angle between the generatrix of the first truncated cone and the axis is 45 degrees.

[0023] Preferably, the included angle between the generatrix of the second truncated cone and the axis is 30 degrees.

[0024] The beneficial effects of the utility model are as follows:

[0025] The utility model is applied to overcome the defects that the sealing structure of the existing gas water heater water control electromagnetic valve is mainly in the form of cooperation of rubber sealing element and metal valve seat, the rubber sealing element is easy to age and corrode, and the durability is poor.

[0026] The utility model discloses a dynamic rod, valve core two fusion design is a part, adopt corrosion -resistant metal manufacturing, strengthen sealing structure stability and durability.

[0027] The utility model discloses the valve core part adopts the conical structure dynamic rod and the body valve port cooperation structure, has greatly strengthened the opening and closing valve ability of solenoid valve, has improved the stability of solenoid valve at big water flow simultaneously, makes this solenoid valve can be applied to big flow specification water heater.

[0028] The utility model discloses the support frame with the sliding hole axial fixed dynamic rod structure, prevents dynamic rod structure and produces the inclination, appears the situation that cannot close the valve, has strengthened the operation stability of solenoid valve.

[0029] The following will combine the drawing to the conception of the utility model, specific structure and the technical effect produced make further explanation, to fully understand the purpose, features and effect of the utility model. DRAWINGS

[0030] Figure 1 The structure schematic diagram of one embodiment of the utility model is shown.

[0031] Figure 2 The structure schematic diagram of the valve core integrated with the dynamic rod in one embodiment of the utility model is shown. SPECIFIC EMBODIMENT

[0032] EMBODIMENT

[0033] As Figure 1 And Figure 2 As shown, the dynamic rod, valve core integrated solenoid valve for gas water heater water control, including the electromagnetic valve valve body 3 with water inlet 1 and water outlet 2.

[0034] Wherein, water inlet 1 and water outlet 2 are parallelly arranged, and the valve port 4 perpendicular to water inlet 1 and water outlet 2 is arranged between water inlet 1 and water outlet 2.

[0035] The valve port 4 is provided with the valve core 5 integrated with the dynamic rod.

[0036] The valve core 5 integrated with the dynamic rod is made of corrosion -resistant metal, including the cylindrical dynamic rod structure 51, the first headless conical surface 52, the second headless conical surface 53 and the transition section 54 in cylindrical shape between the first headless conical surface 52 and the second headless conical surface 53, which are coaxially arranged with the dynamic rod structure 51.

[0037] The included angle between the first headless conical surface 52 generatrix and the axis is 45 degrees.

[0038] The included angle between the second headless conical surface 53 generatrix and the axis is 30 degrees.

[0039] The circular bottom surface of the first truncated conical surface 52 is arranged opposite to the circular bottom surface of the second truncated conical surface 53, and is connected to the two ends of the transition section 54 respectively, and the gradually reduced conical surface is along the valve port 4 towards the side of the water inlet 1;

[0040] The gradually reduced conical surface of the second truncated conical surface 53 is along the valve port 4 towards the side of the water outlet 2;

[0041] When the valve core 5 integrated with the moving rod moves to the limit along the valve port 4 axis towards the side of the water inlet 1 along the valve port 4, the transition section 54 does not completely slip from the valve core 5 to the water inlet 1;

[0042] When the valve core 5 integrated with the moving rod moves to the limit along the valve port 4 axis towards the side of the water outlet 2 along the valve port 4, the transition section 54 completely slips from the valve core 5 to the water outlet 2, and a gap for water passing is formed between the first truncated conical surface 52 and the valve port 4.

[0043] In some embodiments, the electromagnetic driving device 6 is arranged outside the water inlet 1 or the water outlet 2 in the axial direction of the valve port 4, and the spring 7 is arranged outside the electromagnetic driving device 6, the valve core 5 integrated with the moving rod is driven to move along the valve port 4 by the electromagnetic driving device 6, and the valve core 5 integrated with the moving rod is rebounded by the spring 7 after the electromagnetic driving device 6 loses power.

[0044] In some embodiments, the support frame 8 is arranged outside the water inlet 1 or the water outlet 2, and faces away from the electromagnetic driving device 6;

[0045] The support frame 8 is provided with a sliding hole 81 at a position corresponding to the valve core 5 integrated with the moving rod;

[0046] The sliding hole 81 is a blind hole, and matches the corresponding end of the valve core 5 integrated with the moving rod, so that the corresponding end of the valve core 5 integrated with the moving rod can reciprocate in the sliding hole 71.

[0047] In some embodiments, the water inlet 1 is provided with a bypass 11.

[0048] In some embodiments, the included angle between the generatrix of the first truncated conical surface 52 and the axis is 45 degrees.

[0049] In some embodiments, the included angle between the generatrix of the second truncated conical surface 53 and the axis is 30 degrees.

[0050] In actual application, when the electromagnetic driving device 6 is in a non-powered state, the valve core 5 integrated with the moving rod and the valve port 4 are in a normally open state with a gap therebetween, and when powered, an electromagnetic force is generated to attract the valve core 5 integrated with the moving rod to move and cooperate with the valve port 4, thereby closing the valve port 4.

[0051] The valve core 5 integrated with the moving rod integrates the moving rod and the valve core of the existing electromagnetic valve, is fused into a new part, the sealing part is designed as a conical shape, the shape can reduce the resistance when the water flows, the electromagnetic valve is easier to close, meanwhile, the gap exists between the moving rod structure 51 and the valve port 4, the closing ability of the electromagnetic valve is enhanced, in addition, the support frame 8 with the sliding hole 71 axially fixes the moving rod structure 51, prevents the moving rod structure 51 from being inclined, and the situation that the valve cannot be closed appears.

[0052] The preferred embodiments of the present application are described in detail above. It should be understood that those skilled in the art can make many modifications and changes without creative labor according to the concept of the present application. Therefore, any technical solution obtained by logical analysis, reasoning or limited experiment on the basis of the existing technology according to the concept of the present application shall be within the protection scope defined by the claims.

Claims

1. A moving rod and spool integrated electromagnetic valve for waterway control of a gas water heater, comprising an electromagnetic valve body (3) with a water inlet (1) and a water outlet (2); characterized in that, the water inlet (1) and the water outlet (2) are arranged in parallel, and a valve port (4) perpendicular to the water inlet (1) and the water outlet (2) is arranged therebetween; the valve port (4) is provided with a spool (5) integrated with a moving rod; the spool (5) integrated with the moving rod is made of corrosion-resistant metal, comprising a columnar moving rod structure (51), a first truncated conical surface (52) and a second truncated conical surface (53) coaxially arranged with the moving rod structure (51), and a transition section (54) in a cylindrical shape between the first truncated conical surface (52) and the second truncated conical surface (53); the circular bottom surface of the first truncated conical surface (52) is arranged opposite to the circular bottom surface of the second truncated conical surface (53), and is connected with both ends of the transition section (54), respectively, and the tapered surface gradually reduces along the side of the valve port (4) toward the water inlet (1); the tapered surface of the second truncated conical surface (53) gradually reduces along the side of the valve port (4) toward the water outlet (2); when the spool (5) integrated with the moving rod moves to the limit along the valve port (4) axis toward the water inlet (1) side along the valve port (4), the transition section (54) does not completely slide from the spool (5) to the water inlet (1); when the spool (5) integrated with the moving rod moves to the limit along the valve port (4) axis toward the water outlet (2) side along the valve port (4), the transition section (54) completely slides from the spool (5) to the water outlet (2), and a water passing gap is formed between the first truncated conical surface (52) and the valve port (4).

2. The moving rod, valve core integrated electromagnetic valve for water route control of a gas water heater according to claim 1, characterized in that, Further comprising an electromagnetic drive device (6) arranged in the axial direction of the valve port (4) outside the water inlet (1) or the water outlet (2), and a spring (7), the spool (5) integrated with the moving rod is driven to move along the valve port (4) by the electromagnetic drive device (6), and the spool (5) integrated with the moving rod is rebounded by the spring (7) after the electromagnetic drive device (6) loses power.

3. The moving rod and spool integrated electromagnetic valve for water path control of a gas water heater according to claim 2, characterized in that, A support frame (8) is arranged outside the water inlet (1) or the water outlet (2) and opposite to the electromagnetic drive device (6); the support frame (8) is provided with a sliding hole (81) at a position corresponding to the spool (5) integrated with the moving rod; the sliding hole (81) is a blind hole matched with the corresponding end of the spool (5) integrated with the moving rod, so that the corresponding end of the spool (5) integrated with the moving rod can reciprocate in the sliding hole (71).

4. The moving rod and spool integrated electromagnetic valve for water path control of a gas water heater according to claim 1, characterized in that, The water inlet (1) is provided with a bypass (11).

5. The spool-valve integrated solenoid valve for water path control of a gas water heater according to claim 1, characterized in that, The included angle between the generatrix of the first truncated conical surface (52) and the axis is 45 degrees.

6. The spool-valve integrated solenoid valve for water path control of a gas water heater according to claim 1, characterized in that, The included angle between the generatrix of the second truncated conical surface (53) and the axis is 30 degrees.

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